Merge branch 'master' into release, Updated version

Added domain check to see if possibly local even when whole url found.
Changed image fetch from file_get_contents to curl for external
resources.

Hopeful solution to #392

.env.example

@@ -3,6 +3,10 @@ APP_ENV=production
 APP_DEBUG=false
 APP_KEY=SomeRandomString
 
+# The below url has to be set if using social auth options
+# or if you are not using BookStack at the root path of your domain.
+# APP_URL=http://bookstack.dev
+
 # Database details
 DB_HOST=localhost
 DB_DATABASE=database_database
@@ -42,8 +46,6 @@ GITHUB_APP_ID=false
 GITHUB_APP_SECRET=false
 GOOGLE_APP_ID=false
 GOOGLE_APP_SECRET=false
-# URL used for social login redirects, NO TRAILING SLASH
-APP_URL=http://bookstack.dev
 
 # External services such as Gravatar
 DISABLE_EXTERNAL_SERVICES=false

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,21 @@
+### For Feature Requests
+
+Desired Feature:
+
+### For Bug Reports
+
+* BookStack Version *(Found in settings, Please don't put 'latest')*:
+* PHP Version:
+* MySQL Version:
+
+##### Expected Behavior
+
+
+
+##### Current Behavior
+
+
+
+##### Steps to Reproduce
+
+

.gitignore

@@ -8,6 +8,15 @@ Homestead.yaml
 /public/css/*.map
 /public/js/*.map
 /public/bower
+/public/build/
 /storage/images
 _ide_helper.php
-/storage/debugbar
+/storage/debugbar
+.phpstorm.meta.php
+yarn.lock
+/bin
+nbproject
+.buildpath
+.project
+.settings/org.eclipse.wst.common.project.facet.core.xml
+.settings/org.eclipse.php.core.prefs

.travis.yml

@@ -0,0 +1,28 @@
+dist: trusty
+sudo: false
+language: php
+php:
+  - 7.0.7
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+before_script:
+  - mysql -u root -e 'create database `bookstack-test`;'
+  - mysql -u root -e "CREATE USER 'bookstack-test'@'localhost' IDENTIFIED BY 'bookstack-test';"
+  - mysql -u root -e "GRANT ALL ON \`bookstack-test\`.* TO 'bookstack-test'@'localhost';"
+  - mysql -u root -e "FLUSH PRIVILEGES;"
+  - phpenv config-rm xdebug.ini
+  - composer dump-autoload --no-interaction
+  - composer install --prefer-dist --no-interaction
+  - php artisan clear-compiled -n
+  - php artisan optimize -n
+  - php artisan migrate --force -n --database=mysql_testing
+  - php artisan db:seed --force -n --class=DummyContentSeeder --database=mysql_testing
+
+after_failure:
+  - cat storage/logs/laravel.log
+
+script:
+  - phpunit

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Dan Brown
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

app/Activity.php

@@ -2,8 +2,6 @@
 
 namespace BookStack;
 
-use Illuminate\Database\Eloquent\Model;
-
 /**
  * @property string  key
  * @property \User   user
@@ -28,7 +26,7 @@ class Activity extends Model
      */
     public function user()
     {
-        return $this->belongsTo('BookStack\User');
+        return $this->belongsTo(User::class);
     }
 
     /**
@@ -46,7 +44,7 @@ class Activity extends Model
      * @return bool
      */
     public function isSimilarTo($activityB) {
-        return [$this->key, $this->entitiy_type, $this->entitiy_id] === [$activityB->key, $activityB->entitiy_type, $activityB->entitiy_id];
+        return [$this->key, $this->entity_type, $this->entity_id] === [$activityB->key, $activityB->entity_type, $activityB->entity_id];
     }
 
 }

app/Attachment.php

@@ -0,0 +1,36 @@
+<?php namespace BookStack;
+
+
+class Attachment extends Ownable
+{
+    protected $fillable = ['name', 'order'];
+
+    /**
+     * Get the downloadable file name for this upload.
+     * @return mixed|string
+     */
+    public function getFileName()
+    {
+        if (str_contains($this->name, '.')) return $this->name;
+        return $this->name . '.' . $this->extension;
+    }
+
+    /**
+     * Get the page this file was uploaded to.
+     * @return Page
+     */
+    public function page()
+    {
+        return $this->belongsTo(Page::class, 'uploaded_to');
+    }
+
+    /**
+     * Get the url of this file.
+     * @return string
+     */
+    public function getUrl()
+    {
+        return baseUrl('/attachments/' . $this->id);
+    }
+
+}

app/Book.php

@@ -1,35 +1,68 @@
-<?php
-
-namespace BookStack;
+<?php namespace BookStack;
 
 class Book extends Entity
 {
 
     protected $fillable = ['name', 'description'];
 
-    public function getUrl()
+    /**
+     * Get the url for this book.
+     * @param string|bool $path
+     * @return string
+     */
+    public function getUrl($path = false)
     {
-        return '/books/' . $this->slug;
+        if ($path !== false) {
+            return baseUrl('/books/' . urlencode($this->slug) . '/' . trim($path, '/'));
+        }
+        return baseUrl('/books/' . urlencode($this->slug));
     }
 
+    /*
+     * Get the edit url for this book.
+     * @return string
+     */
     public function getEditUrl()
     {
         return $this->getUrl() . '/edit';
     }
 
+    /**
+     * Get all pages within this book.
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function pages()
     {
-        return $this->hasMany('BookStack\Page');
+        return $this->hasMany(Page::class);
     }
 
+    /**
+     * Get all chapters within this book.
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function chapters()
     {
-        return $this->hasMany('BookStack\Chapter');
+        return $this->hasMany(Chapter::class);
     }
 
+    /**
+     * Get an excerpt of this book's description to the specified length or less.
+     * @param int $length
+     * @return string
+     */
     public function getExcerpt($length = 100)
     {
-        return strlen($this->description) > $length ? substr($this->description, 0, $length-3) . '...' : $this->description;
+        $description = $this->description;
+        return strlen($description) > $length ? substr($description, 0, $length-3) . '...' : $description;
+    }
+
+    /**
+     * Return a generalised, common raw query that can be 'unioned' across entities.
+     * @return string
+     */
+    public function entityRawQuery()
+    {
+        return "'BookStack\\\\Book' as entity_type, id, id as entity_id, slug, name, {$this->textField} as text,'' as html, '0' as book_id, '0' as priority, '0' as chapter_id, '0' as draft, created_by, updated_by, updated_at, created_at";
     }
 
 }

app/Chapter.php

@@ -5,25 +5,59 @@ class Chapter extends Entity
 {
     protected $fillable = ['name', 'description', 'priority', 'book_id'];
 
+    protected $with = ['book'];
+
+    /**
+     * Get the book this chapter is within.
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
     public function book()
     {
-        return $this->belongsTo('BookStack\Book');
+        return $this->belongsTo(Book::class);
     }
 
-    public function pages()
+    /**
+     * Get the pages that this chapter contains.
+     * @param string $dir
+     * @return mixed
+     */
+    public function pages($dir = 'ASC')
     {
-        return $this->hasMany('BookStack\Page')->orderBy('priority', 'ASC');
+        return $this->hasMany(Page::class)->orderBy('priority', $dir);
     }
 
-    public function getUrl()
+    /**
+     * Get the url of this chapter.
+     * @param string|bool $path
+     * @return string
+     */
+    public function getUrl($path = false)
     {
         $bookSlug = $this->getAttribute('bookSlug') ? $this->getAttribute('bookSlug') : $this->book->slug;
-        return '/books/' . $bookSlug. '/chapter/' . $this->slug;
+        if ($path !== false) {
+            return baseUrl('/books/' . urlencode($bookSlug) . '/chapter/' . urlencode($this->slug) . '/' . trim($path, '/'));
+        }
+        return baseUrl('/books/' . urlencode($bookSlug) . '/chapter/' . urlencode($this->slug));
     }
 
+    /**
+     * Get an excerpt of this chapter's description to the specified length or less.
+     * @param int $length
+     * @return string
+     */
     public function getExcerpt($length = 100)
     {
-        return strlen($this->description) > $length ? substr($this->description, 0, $length-3) . '...' : $this->description;
+        $description = $this->description;
+        return strlen($description) > $length ? substr($description, 0, $length-3) . '...' : $description;
+    }
+
+    /**
+     * Return a generalised, common raw query that can be 'unioned' across entities.
+     * @return string
+     */
+    public function entityRawQuery()
+    {
+        return "'BookStack\\\\Chapter' as entity_type, id, id as entity_id, slug, name, {$this->textField} as text, '' as html, book_id, priority, '0' as chapter_id, '0' as draft, created_by, updated_by, updated_at, created_at";
     }
 
 }

app/Comment.php

@@ -0,0 +1,43 @@
+<?php namespace BookStack;
+
+class Comment extends Ownable
+{
+    protected $fillable = ['text', 'html', 'parent_id'];
+    protected $appends = ['created', 'updated'];
+
+    /**
+     * Get the entity that this comment belongs to
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function entity()
+    {
+        return $this->morphTo('entity');
+    }
+
+    /**
+     * Check if a comment has been updated since creation.
+     * @return bool
+     */
+    public function isUpdated()
+    {
+        return $this->updated_at->timestamp > $this->created_at->timestamp;
+    }
+
+    /**
+     * Get created date as a relative diff.
+     * @return mixed
+     */
+    public function getCreatedAttribute()
+    {
+        return $this->created_at->diffForHumans();
+    }
+
+    /**
+     * Get updated date as a relative diff.
+     * @return mixed
+     */
+    public function getUpdatedAttribute()
+    {
+        return $this->updated_at->diffForHumans();
+    }
+}

app/Console/Commands/ClearActivity.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use BookStack\Activity;
+use Illuminate\Console\Command;
+
+class ClearActivity extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:clear-activity';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Clear user activity from the system';
+
+    protected $activity;
+
+    /**
+     * Create a new command instance.
+     *
+     * @param Activity $activity
+     */
+    public function __construct(Activity $activity)
+    {
+        $this->activity = $activity;
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $this->activity->newQuery()->truncate();
+        $this->comment('System activity cleared');
+    }
+}

app/Console/Commands/ClearRevisions.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use BookStack\PageRevision;
+use Illuminate\Console\Command;
+
+class ClearRevisions extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:clear-revisions
+                            {--a|all : Include active update drafts in deletion}
+                            ';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Clear page revisions';
+
+    protected $pageRevision;
+
+    /**
+     * Create a new command instance.
+     *
+     * @param PageRevision $pageRevision
+     */
+    public function __construct(PageRevision $pageRevision)
+    {
+        $this->pageRevision = $pageRevision;
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $deleteTypes = $this->option('all') ? ['version', 'update_draft'] : ['version'];
+        $this->pageRevision->newQuery()->whereIn('type', $deleteTypes)->delete();
+        $this->comment('Revisions deleted');
+    }
+}

app/Console/Commands/ClearViews.php

@@ -4,21 +4,21 @@ namespace BookStack\Console\Commands;
 
 use Illuminate\Console\Command;
 
-class ResetViews extends Command
+class ClearViews extends Command
 {
     /**
      * The name and signature of the console command.
      *
      * @var string
      */
-    protected $signature = 'views:reset';
+    protected $signature = 'bookstack:clear-views';
 
     /**
      * The console command description.
      *
      * @var string
      */
-    protected $description = 'Reset all view-counts for all entities.';
+    protected $description = 'Clear all view-counts for all entities.';
 
     /**
      * Create a new command instance.
@@ -37,5 +37,6 @@ class ResetViews extends Command
     public function handle()
     {
         \Views::resetAll();
+        $this->comment('Views cleared');
     }
 }

app/Console/Commands/Inspire.php

@@ -1,33 +0,0 @@
-<?php
-
-namespace BookStack\Console\Commands;
-
-use Illuminate\Console\Command;
-use Illuminate\Foundation\Inspiring;
-
-class Inspire extends Command
-{
-    /**
-     * The name and signature of the console command.
-     *
-     * @var string
-     */
-    protected $signature = 'inspire';
-
-    /**
-     * The console command description.
-     *
-     * @var string
-     */
-    protected $description = 'Display an inspiring quote';
-
-    /**
-     * Execute the console command.
-     *
-     * @return mixed
-     */
-    public function handle()
-    {
-        $this->comment(PHP_EOL.Inspiring::quote().PHP_EOL);
-    }
-}

app/Console/Commands/RegeneratePermissions.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use BookStack\Services\PermissionService;
+use Illuminate\Console\Command;
+
+class RegeneratePermissions extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:regenerate-permissions {--database= : The database connection to use.}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Regenerate all system permissions';
+
+    /**
+     * The service to handle the permission system.
+     *
+     * @var PermissionService
+     */
+    protected $permissionService;
+
+    /**
+     * Create a new command instance.
+     *
+     * @param PermissionService $permissionService
+     */
+    public function __construct(PermissionService $permissionService)
+    {
+        $this->permissionService = $permissionService;
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $connection = \DB::getDefaultConnection();
+        if ($this->option('database') !== null) {
+            \DB::setDefaultConnection($this->option('database'));
+            $this->permissionService->setConnection(\DB::connection($this->option('database')));
+        }
+
+        $this->permissionService->buildJointPermissions();
+
+        \DB::setDefaultConnection($connection);
+        $this->comment('Permissions regenerated');
+    }
+}

app/Console/Commands/RegenerateSearch.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use BookStack\Services\SearchService;
+use Illuminate\Console\Command;
+
+class RegenerateSearch extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:regenerate-search {--database= : The database connection to use.}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Re-index all content for searching';
+
+    protected $searchService;
+
+    /**
+     * Create a new command instance.
+     *
+     * @param SearchService $searchService
+     */
+    public function __construct(SearchService $searchService)
+    {
+        parent::__construct();
+        $this->searchService = $searchService;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $connection = \DB::getDefaultConnection();
+        if ($this->option('database') !== null) {
+            \DB::setDefaultConnection($this->option('database'));
+            $this->searchService->setConnection(\DB::connection($this->option('database')));
+        }
+
+        $this->searchService->indexAllEntities();
+        \DB::setDefaultConnection($connection);
+        $this->comment('Search index regenerated');
+    }
+}

app/Console/Commands/UpgradeDatabaseEncoding.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\DB;
+
+class UpgradeDatabaseEncoding extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:db-utf8mb4 {--database= : The database connection to use.}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Generate SQL commands to upgrade the database to UTF8mb4';
+
+    /**
+     * Create a new command instance.
+     *
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $connection = DB::getDefaultConnection();
+        if ($this->option('database') !== null) {
+            DB::setDefaultConnection($this->option('database'));
+        }
+
+        $database = DB::getDatabaseName();
+        $tables = DB::select('SHOW TABLES');
+        $this->line('ALTER DATABASE `'.$database.'` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+        $this->line('USE `'.$database.'`;');
+        $key = 'Tables_in_' . $database;
+        foreach ($tables as $table) {
+            $tableName = $table->$key;
+            $this->line('ALTER TABLE `'.$tableName.'` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;');
+        }
+
+        DB::setDefaultConnection($connection);
+    }
+}

app/Console/Kernel.php

@@ -1,6 +1,4 @@
-<?php
-
-namespace BookStack\Console;
+<?php namespace BookStack\Console;
 
 use Illuminate\Console\Scheduling\Schedule;
 use Illuminate\Foundation\Console\Kernel as ConsoleKernel;
@@ -13,8 +11,12 @@ class Kernel extends ConsoleKernel
      * @var array
      */
     protected $commands = [
-        \BookStack\Console\Commands\Inspire::class,
-        \BookStack\Console\Commands\ResetViews::class,
+        Commands\ClearViews::class,
+        Commands\ClearActivity::class,
+        Commands\ClearRevisions::class,
+        Commands\RegeneratePermissions::class,
+        Commands\RegenerateSearch::class,
+        Commands\UpgradeDatabaseEncoding::class
     ];
 
     /**
@@ -25,7 +27,6 @@ class Kernel extends ConsoleKernel
      */
     protected function schedule(Schedule $schedule)
     {
-        $schedule->command('inspire')
-                 ->hourly();
+        //
     }
 }

app/EmailConfirmation.php

@@ -1,15 +0,0 @@
-<?php
-
-namespace BookStack;
-
-use Illuminate\Database\Eloquent\Model;
-
-class EmailConfirmation extends Model
-{
-    protected $fillable = ['user_id', 'token'];
-
-    public function user()
-    {
-        return $this->belongsTo('BookStack\User');
-    }
-}

app/Entity.php

@@ -1,9 +1,13 @@
 <?php namespace BookStack;
 
 
-abstract class Entity extends Ownable
+use Illuminate\Database\Eloquent\Relations\MorphMany;
+
+class Entity extends Ownable
 {
 
+    public $textField = 'description';
+
     /**
      * Compares this entity to another given entity.
      * Matches by comparing class and id.
@@ -43,7 +47,7 @@ abstract class Entity extends Ownable
      */
     public function activity()
     {
-        return $this->morphMany('BookStack\Activity', 'entity')->orderBy('created_at', 'desc');
+        return $this->morphMany(Activity::class, 'entity')->orderBy('created_at', 'desc');
     }
 
     /**
@@ -51,15 +55,44 @@ abstract class Entity extends Ownable
      */
     public function views()
     {
-        return $this->morphMany('BookStack\View', 'viewable');
+        return $this->morphMany(View::class, 'viewable');
+    }
+
+    /**
+     * Get the Tag models that have been user assigned to this entity.
+     * @return \Illuminate\Database\Eloquent\Relations\MorphMany
+     */
+    public function tags()
+    {
+        return $this->morphMany(Tag::class, 'entity')->orderBy('order', 'asc');
+    }
+
+    /**
+     * Get the comments for an entity
+     * @param bool $orderByCreated
+     * @return MorphMany
+     */
+    public function comments($orderByCreated = true)
+    {
+        $query = $this->morphMany(Comment::class, 'entity');
+        return $orderByCreated ? $query->orderBy('created_at', 'asc') : $query;
+    }
+
+    /**
+     * Get the related search terms.
+     * @return \Illuminate\Database\Eloquent\Relations\MorphMany
+     */
+    public function searchTerms()
+    {
+        return $this->morphMany(SearchTerm::class, 'entity');
     }
 
     /**
      * Get this entities restrictions.
      */
-    public function restrictions()
+    public function permissions()
     {
-        return $this->morphMany('BookStack\Restriction', 'restrictable');
+        return $this->morphMany(EntityPermission::class, 'restrictable');
     }
 
     /**
@@ -70,7 +103,17 @@ abstract class Entity extends Ownable
      */
     public function hasRestriction($role_id, $action)
     {
-        return $this->restrictions->where('role_id', $role_id)->where('action', $action)->count() > 0;
+        return $this->permissions()->where('role_id', '=', $role_id)
+            ->where('action', '=', $action)->count() > 0;
+    }
+
+    /**
+     * Get the entity jointPermissions this is connected to.
+     * @return \Illuminate\Database\Eloquent\Relations\MorphMany
+     */
+    public function jointPermissions()
+    {
+        return $this->morphMany(JointPermission::class, 'entity');
     }
 
     /**
@@ -81,7 +124,32 @@ abstract class Entity extends Ownable
      */
     public static function isA($type)
     {
-        return static::getClassName() === strtolower($type);
+        return static::getType() === strtolower($type);
+    }
+
+    /**
+     * Get entity type.
+     * @return mixed
+     */
+    public static function getType()
+    {
+        return strtolower(static::getClassName());
+    }
+
+    /**
+     * Get an instance of an entity of the given type.
+     * @param $type
+     * @return Entity
+     */
+    public static function getEntityInstance($type)
+    {
+        $types = ['Page', 'Book', 'Chapter'];
+        $className = str_replace([' ', '-', '_'], '', ucwords($type));
+        if (!in_array($className, $types)) {
+            return null;
+        }
+
+        return app('BookStack\\' . $className);
     }
 
     /**
@@ -96,60 +164,25 @@ abstract class Entity extends Ownable
     }
 
     /**
-     * Perform a full-text search on this entity.
-     * @param string[] $fieldsToSearch
-     * @param string[] $terms
-     * @param string[] array $wheres
+     * Get the body text of this entity.
      * @return mixed
      */
-    public static function fullTextSearchQuery($fieldsToSearch, $terms, $wheres = [])
+    public function getText()
     {
-        $exactTerms = [];
-        foreach ($terms as $key => $term) {
-            $term = htmlentities($term, ENT_QUOTES);
-            $term = preg_replace('/[+\-><\(\)~*\"@]+/', ' ', $term);
-            if (preg_match('/\s/', $term)) {
-                $exactTerms[] = '%' . $term . '%';
-                $term = '"' . $term . '"';
-            } else {
-                $term = '' . $term . '*';
-            }
-            if ($term !== '*') $terms[$key] = $term;
-        }
-        $termString = implode(' ', $terms);
-        $fields = implode(',', $fieldsToSearch);
-        $search = static::selectRaw('*, MATCH(name) AGAINST(? IN BOOLEAN MODE) AS title_relevance', [$termString]);
-        $search = $search->whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
-
-        // Ensure at least one exact term matches if in search
-        if (count($exactTerms) > 0) {
-            $search = $search->where(function ($query) use ($exactTerms, $fieldsToSearch) {
-                foreach ($exactTerms as $exactTerm) {
-                    foreach ($fieldsToSearch as $field) {
-                        $query->orWhere($field, 'like', $exactTerm);
-                    }
-                }
-            });
-        }
-
-        // Add additional where terms
-        foreach ($wheres as $whereTerm) {
-            $search->where($whereTerm[0], $whereTerm[1], $whereTerm[2]);
-        }
-        // Load in relations
-        if (static::isA('page')) {
-            $search = $search->with('book', 'chapter', 'createdBy', 'updatedBy');
-        } else if (static::isA('chapter')) {
-            $search = $search->with('book');
-        }
-
-        return $search->orderBy('title_relevance', 'desc');
+        return $this->{$this->textField};
     }
 
     /**
-     * Get the url for this item.
+     * Return a generalised, common raw query that can be 'unioned' across entities.
      * @return string
      */
-    abstract public function getUrl();
+    public function entityRawQuery(){return '';}
+
+    /**
+     * Get the url of this entity
+     * @param $path
+     * @return string
+     */
+    public function getUrl($path){return '/';}
 
 }

app/EntityPermission.php

@@ -1,10 +1,7 @@
-<?php
+<?php namespace BookStack;
 
-namespace BookStack;
 
-use Illuminate\Database\Eloquent\Model;
-
-class Restriction extends Model
+class EntityPermission extends Model
 {
 
     protected $fillable = ['role_id', 'action'];
@@ -16,6 +13,6 @@ class Restriction extends Model
      */
     public function restrictable()
     {
-        return $this->morphTo();
+        return $this->morphTo('restrictable');
     }
 }

app/Events/Event.php

@@ -1,8 +0,0 @@
-<?php
-
-namespace BookStack\Events;
-
-abstract class Event
-{
-    //
-}

app/Exceptions/FileUploadException.php

@@ -0,0 +1,4 @@
+<?php namespace BookStack\Exceptions;
+
+
+class FileUploadException extends PrettyException {}

app/Exceptions/Handler.php

@@ -3,9 +3,9 @@
 namespace BookStack\Exceptions;
 
 use Exception;
-use Illuminate\Contracts\Validation\ValidationException;
+use Illuminate\Auth\AuthenticationException;
+use Illuminate\Validation\ValidationException;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
-use PhpSpec\Exception\Example\ErrorException;
 use Symfony\Component\HttpKernel\Exception\HttpException;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
 use Illuminate\Auth\Access\AuthorizationException;
@@ -47,19 +47,60 @@ class Handler extends ExceptionHandler
     {
         // Handle notify exceptions which will redirect to the
         // specified location then show a notification message.
-        if ($e instanceof NotifyException) {
-            \Session::flash('error', $e->message);
-            return response()->redirectTo($e->redirectLocation);
+        if ($this->isExceptionType($e, NotifyException::class)) {
+            session()->flash('error', $this->getOriginalMessage($e));
+            return redirect($e->redirectLocation);
         }
 
         // Handle pretty exceptions which will show a friendly application-fitting page
         // Which will include the basic message to point the user roughly to the cause.
-        if (($e instanceof PrettyException || $e->getPrevious() instanceof PrettyException)  && !config('app.debug')) {
-            $message = ($e instanceof PrettyException) ? $e->getMessage() : $e->getPrevious()->getMessage();
+        if ($this->isExceptionType($e, PrettyException::class)  && !config('app.debug')) {
+            $message = $this->getOriginalMessage($e);
             $code = ($e->getCode() === 0) ? 500 : $e->getCode();
             return response()->view('errors/' . $code, ['message' => $message], $code);
         }
 
         return parent::render($request, $e);
     }
+
+    /**
+     * Check the exception chain to compare against the original exception type.
+     * @param Exception $e
+     * @param $type
+     * @return bool
+     */
+    protected function isExceptionType(Exception $e, $type) {
+        do {
+            if (is_a($e, $type)) return true;
+        } while ($e = $e->getPrevious());
+        return false;
+    }
+
+    /**
+     * Get original exception message.
+     * @param Exception $e
+     * @return string
+     */
+    protected function getOriginalMessage(Exception $e) {
+        do {
+            $message = $e->getMessage();
+        } while ($e = $e->getPrevious());
+        return $message;
+    }
+
+    /**
+     * Convert an authentication exception into an unauthenticated response.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Illuminate\Auth\AuthenticationException  $exception
+     * @return \Illuminate\Http\Response
+     */
+    protected function unauthenticated($request, AuthenticationException $exception)
+    {
+        if ($request->expectsJson()) {
+            return response()->json(['error' => 'Unauthenticated.'], 401);
+        }
+
+        return redirect()->guest('login');
+    }
 }

app/Exceptions/PrettyException.php

@@ -1,5 +1,3 @@
 <?php namespace BookStack\Exceptions;
 
-use Exception;
-
-class PrettyException extends Exception {}
+class PrettyException extends \Exception {}

app/Http/Controllers/AttachmentController.php

@@ -0,0 +1,215 @@
+<?php namespace BookStack\Http\Controllers;
+
+use BookStack\Exceptions\FileUploadException;
+use BookStack\Attachment;
+use BookStack\Repos\EntityRepo;
+use BookStack\Services\AttachmentService;
+use Illuminate\Http\Request;
+
+class AttachmentController extends Controller
+{
+    protected $attachmentService;
+    protected $attachment;
+    protected $entityRepo;
+
+    /**
+     * AttachmentController constructor.
+     * @param AttachmentService $attachmentService
+     * @param Attachment $attachment
+     * @param EntityRepo $entityRepo
+     */
+    public function __construct(AttachmentService $attachmentService, Attachment $attachment, EntityRepo $entityRepo)
+    {
+        $this->attachmentService = $attachmentService;
+        $this->attachment = $attachment;
+        $this->entityRepo = $entityRepo;
+        parent::__construct();
+    }
+
+
+    /**
+     * Endpoint at which attachments are uploaded to.
+     * @param Request $request
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\JsonResponse|\Symfony\Component\HttpFoundation\Response
+     */
+    public function upload(Request $request)
+    {
+        $this->validate($request, [
+            'uploaded_to' => 'required|integer|exists:pages,id',
+            'file' => 'required|file'
+        ]);
+
+        $pageId = $request->get('uploaded_to');
+        $page = $this->entityRepo->getById('page', $pageId, true);
+
+        $this->checkPermission('attachment-create-all');
+        $this->checkOwnablePermission('page-update', $page);
+
+        $uploadedFile = $request->file('file');
+
+        try {
+            $attachment = $this->attachmentService->saveNewUpload($uploadedFile, $pageId);
+        } catch (FileUploadException $e) {
+            return response($e->getMessage(), 500);
+        }
+
+        return response()->json($attachment);
+    }
+
+    /**
+     * Update an uploaded attachment.
+     * @param int $attachmentId
+     * @param Request $request
+     * @return mixed
+     */
+    public function uploadUpdate($attachmentId, Request $request)
+    {
+        $this->validate($request, [
+            'uploaded_to' => 'required|integer|exists:pages,id',
+            'file' => 'required|file'
+        ]);
+
+        $pageId = $request->get('uploaded_to');
+        $page = $this->entityRepo->getById('page', $pageId, true);
+        $attachment = $this->attachment->findOrFail($attachmentId);
+
+        $this->checkOwnablePermission('page-update', $page);
+        $this->checkOwnablePermission('attachment-create', $attachment);
+        
+        if (intval($pageId) !== intval($attachment->uploaded_to)) {
+            return $this->jsonError(trans('errors.attachment_page_mismatch'));
+        }
+
+        $uploadedFile = $request->file('file');
+
+        try {
+            $attachment = $this->attachmentService->saveUpdatedUpload($uploadedFile, $attachment);
+        } catch (FileUploadException $e) {
+            return response($e->getMessage(), 500);
+        }
+
+        return response()->json($attachment);
+    }
+
+    /**
+     * Update the details of an existing file.
+     * @param $attachmentId
+     * @param Request $request
+     * @return Attachment|mixed
+     */
+    public function update($attachmentId, Request $request)
+    {
+        $this->validate($request, [
+            'uploaded_to' => 'required|integer|exists:pages,id',
+            'name' => 'required|string|min:1|max:255',
+            'link' =>  'url|min:1|max:255'
+        ]);
+
+        $pageId = $request->get('uploaded_to');
+        $page = $this->entityRepo->getById('page', $pageId, true);
+        $attachment = $this->attachment->findOrFail($attachmentId);
+
+        $this->checkOwnablePermission('page-update', $page);
+        $this->checkOwnablePermission('attachment-create', $attachment);
+
+        if (intval($pageId) !== intval($attachment->uploaded_to)) {
+            return $this->jsonError(trans('errors.attachment_page_mismatch'));
+        }
+
+        $attachment = $this->attachmentService->updateFile($attachment, $request->all());
+        return response()->json($attachment);
+    }
+
+    /**
+     * Attach a link to a page.
+     * @param Request $request
+     * @return mixed
+     */
+    public function attachLink(Request $request)
+    {
+        $this->validate($request, [
+            'uploaded_to' => 'required|integer|exists:pages,id',
+            'name' => 'required|string|min:1|max:255',
+            'link' =>  'required|url|min:1|max:255'
+        ]);
+
+        $pageId = $request->get('uploaded_to');
+        $page = $this->entityRepo->getById('page', $pageId, true);
+
+        $this->checkPermission('attachment-create-all');
+        $this->checkOwnablePermission('page-update', $page);
+
+        $attachmentName = $request->get('name');
+        $link = $request->get('link');
+        $attachment = $this->attachmentService->saveNewFromLink($attachmentName, $link, $pageId);
+
+        return response()->json($attachment);
+    }
+
+    /**
+     * Get the attachments for a specific page.
+     * @param $pageId
+     * @return mixed
+     */
+    public function listForPage($pageId)
+    {
+        $page = $this->entityRepo->getById('page', $pageId, true);
+        $this->checkOwnablePermission('page-view', $page);
+        return response()->json($page->attachments);
+    }
+
+    /**
+     * Update the attachment sorting.
+     * @param $pageId
+     * @param Request $request
+     * @return mixed
+     */
+    public function sortForPage($pageId, Request $request)
+    {
+        $this->validate($request, [
+            'files' => 'required|array',
+            'files.*.id' => 'required|integer',
+        ]);
+        $page = $this->entityRepo->getById('page', $pageId);
+        $this->checkOwnablePermission('page-update', $page);
+
+        $attachments = $request->get('files');
+        $this->attachmentService->updateFileOrderWithinPage($attachments, $pageId);
+        return response()->json(['message' => trans('entities.attachments_order_updated')]);
+    }
+
+    /**
+     * Get an attachment from storage.
+     * @param $attachmentId
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector|\Symfony\Component\HttpFoundation\Response
+     */
+    public function get($attachmentId)
+    {
+        $attachment = $this->attachment->findOrFail($attachmentId);
+        $page = $this->entityRepo->getById('page', $attachment->uploaded_to);
+        $this->checkOwnablePermission('page-view', $page);
+
+        if ($attachment->external) {
+            return redirect($attachment->path);
+        }
+
+        $attachmentContents = $this->attachmentService->getAttachmentFromStorage($attachment);
+        return response($attachmentContents, 200, [
+            'Content-Type' => 'application/octet-stream',
+            'Content-Disposition' => 'attachment; filename="'. $attachment->getFileName() .'"'
+        ]);
+    }
+
+    /**
+     * Delete a specific attachment in the system.
+     * @param $attachmentId
+     * @return mixed
+     */
+    public function delete($attachmentId)
+    {
+        $attachment = $this->attachment->findOrFail($attachmentId);
+        $this->checkOwnablePermission('attachment-delete', $attachment);
+        $this->attachmentService->deleteFile($attachment);
+        return response()->json(['message' => trans('entities.attachments_deleted')]);
+    }
+}

app/Http/Controllers/Auth/ForgotPasswordController.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace BookStack\Http\Controllers\Auth;
+
+use BookStack\Http\Controllers\Controller;
+use Illuminate\Foundation\Auth\SendsPasswordResetEmails;
+use Illuminate\Http\Request;
+use Password;
+
+class ForgotPasswordController extends Controller
+{
+    /*
+    |--------------------------------------------------------------------------
+    | Password Reset Controller
+    |--------------------------------------------------------------------------
+    |
+    | This controller is responsible for handling password reset emails and
+    | includes a trait which assists in sending these notifications from
+    | your application to your users. Feel free to explore this trait.
+    |
+    */
+
+    use SendsPasswordResetEmails;
+
+    /**
+     * Create a new controller instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        $this->middleware('guest');
+        parent::__construct();
+    }
+
+
+    /**
+     * Send a reset link to the given user.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function sendResetLinkEmail(Request $request)
+    {
+        $this->validate($request, ['email' => 'required|email']);
+
+        // We will send the password reset link to this user. Once we have attempted
+        // to send the link, we will examine the response then see the message we
+        // need to show to the user. Finally, we'll send out a proper response.
+        $response = $this->broker()->sendResetLink(
+            $request->only('email')
+        );
+
+        if ($response === Password::RESET_LINK_SENT) {
+            $message = trans('auth.reset_password_sent_success', ['email' => $request->get('email')]);
+            session()->flash('success', $message);
+            return back()->with('status', trans($response));
+        }
+
+        // If an error was returned by the password broker, we will get this message
+        // translated so we can notify a user of the problem. We'll redirect back
+        // to where the users came from so they can attempt this process again.
+        return back()->withErrors(
+            ['email' => trans($response)]
+        );
+    }
+
+}

app/Http/Controllers/Auth/LoginController.php

@@ -0,0 +1,124 @@
+<?php
+
+namespace BookStack\Http\Controllers\Auth;
+
+use BookStack\Exceptions\AuthException;
+use BookStack\Http\Controllers\Controller;
+use BookStack\Repos\UserRepo;
+use BookStack\Services\SocialAuthService;
+use Illuminate\Contracts\Auth\Authenticatable;
+use Illuminate\Foundation\Auth\AuthenticatesUsers;
+use Illuminate\Http\Request;
+
+class LoginController extends Controller
+{
+    /*
+    |--------------------------------------------------------------------------
+    | Login Controller
+    |--------------------------------------------------------------------------
+    |
+    | This controller handles authenticating users for the application and
+    | redirecting them to your home screen. The controller uses a trait
+    | to conveniently provide its functionality to your applications.
+    |
+    */
+
+    use AuthenticatesUsers;
+
+    /**
+     * Where to redirect users after login.
+     *
+     * @var string
+     */
+    protected $redirectTo = '/';
+
+    protected $redirectPath = '/';
+    protected $redirectAfterLogout = '/login';
+
+    protected $socialAuthService;
+    protected $userRepo;
+
+    /**
+     * Create a new controller instance.
+     *
+     * @param SocialAuthService $socialAuthService
+     * @param UserRepo $userRepo
+     */
+    public function __construct(SocialAuthService $socialAuthService, UserRepo $userRepo)
+    {
+        $this->middleware('guest', ['only' => ['getLogin', 'postLogin']]);
+        $this->socialAuthService = $socialAuthService;
+        $this->userRepo = $userRepo;
+        $this->redirectPath = baseUrl('/');
+        $this->redirectAfterLogout = baseUrl('/login');
+        parent::__construct();
+    }
+
+    public function username()
+    {
+        return config('auth.method') === 'standard' ? 'email' : 'username';
+    }
+
+    /**
+     * Overrides the action when a user is authenticated.
+     * If the user authenticated but does not exist in the user table we create them.
+     * @param Request $request
+     * @param Authenticatable $user
+     * @return \Illuminate\Http\RedirectResponse
+     * @throws AuthException
+     */
+    protected function authenticated(Request $request, Authenticatable $user)
+    {
+        // Explicitly log them out for now if they do no exist.
+        if (!$user->exists) auth()->logout($user);
+
+        if (!$user->exists && $user->email === null && !$request->has('email')) {
+            $request->flash();
+            session()->flash('request-email', true);
+            return redirect('/login');
+        }
+
+        if (!$user->exists && $user->email === null && $request->has('email')) {
+            $user->email = $request->get('email');
+        }
+
+        if (!$user->exists) {
+
+            // Check for users with same email already
+            $alreadyUser = $user->newQuery()->where('email', '=', $user->email)->count() > 0;
+            if ($alreadyUser) {
+                throw new AuthException(trans('errors.error_user_exists_different_creds', ['email' => $user->email]));
+            }
+
+            $user->save();
+            $this->userRepo->attachDefaultRole($user);
+            auth()->login($user);
+        }
+
+        $path = session()->pull('url.intended', '/');
+        $path = baseUrl($path, true);
+        return redirect($path);
+    }
+
+    /**
+     * Show the application login form.
+     * @return \Illuminate\Http\Response
+     */
+    public function getLogin()
+    {
+        $socialDrivers = $this->socialAuthService->getActiveDrivers();
+        $authMethod = config('auth.method');
+        return view('auth/login', ['socialDrivers' => $socialDrivers, 'authMethod' => $authMethod]);
+    }
+
+    /**
+     * Redirect to the relevant social site.
+     * @param $socialDriver
+     * @return \Symfony\Component\HttpFoundation\RedirectResponse
+     */
+    public function getSocialLogin($socialDriver)
+    {
+        session()->put('social-callback', 'login');
+        return $this->socialAuthService->startLogIn($socialDriver);
+    }
+}

app/Http/Controllers/Auth/RegisterController.php

@@ -2,63 +2,69 @@
 
 namespace BookStack\Http\Controllers\Auth;
 
-use BookStack\Exceptions\AuthException;
-use BookStack\Exceptions\PrettyException;
-use Illuminate\Contracts\Auth\Authenticatable;
-use Illuminate\Http\Request;
+use BookStack\Exceptions\ConfirmationEmailException;
 use BookStack\Exceptions\SocialSignInException;
 use BookStack\Exceptions\UserRegistrationException;
 use BookStack\Repos\UserRepo;
 use BookStack\Services\EmailConfirmationService;
 use BookStack\Services\SocialAuthService;
 use BookStack\SocialAccount;
+use BookStack\User;
+use Exception;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
 use Validator;
 use BookStack\Http\Controllers\Controller;
-use Illuminate\Foundation\Auth\ThrottlesLogins;
-use Illuminate\Foundation\Auth\AuthenticatesAndRegistersUsers;
+use Illuminate\Foundation\Auth\RegistersUsers;
 
-class AuthController extends Controller
+class RegisterController extends Controller
 {
     /*
     |--------------------------------------------------------------------------
-    | Registration & Login Controller
+    | Register Controller
     |--------------------------------------------------------------------------
     |
-    | This controller handles the registration of new users, as well as the
-    | authentication of existing users. By default, this controller uses
-    | a simple trait to add these behaviors. Why don't you explore it?
+    | This controller handles the registration of new users as well as their
+    | validation and creation. By default this controller uses a trait to
+    | provide this functionality without requiring any additional code.
     |
     */
 
-    use AuthenticatesAndRegistersUsers, ThrottlesLogins;
-
-    protected $redirectPath = '/';
-    protected $redirectAfterLogout = '/login';
-    protected $username = 'email';
-
+    use RegistersUsers;
 
     protected $socialAuthService;
     protected $emailConfirmationService;
     protected $userRepo;
 
     /**
-     * Create a new authentication controller instance.
+     * Where to redirect users after login / registration.
+     *
+     * @var string
+     */
+    protected $redirectTo = '/';
+    protected $redirectPath = '/';
+
+    /**
+     * Create a new controller instance.
+     *
      * @param SocialAuthService $socialAuthService
      * @param EmailConfirmationService $emailConfirmationService
      * @param UserRepo $userRepo
      */
     public function __construct(SocialAuthService $socialAuthService, EmailConfirmationService $emailConfirmationService, UserRepo $userRepo)
     {
-        $this->middleware('guest', ['only' => ['getLogin', 'postLogin', 'getRegister', 'postRegister']]);
+        $this->middleware('guest')->except(['socialCallback', 'detachSocialAccount']);
         $this->socialAuthService = $socialAuthService;
         $this->emailConfirmationService = $emailConfirmationService;
         $this->userRepo = $userRepo;
-        $this->username = config('auth.method') === 'standard' ? 'email' : 'username';
+        $this->redirectTo = baseUrl('/');
+        $this->redirectPath = baseUrl('/');
         parent::__construct();
     }
 
     /**
      * Get a validator for an incoming registration request.
+     *
      * @param  array $data
      * @return \Illuminate\Contracts\Validation\Validator
      */
@@ -71,16 +77,20 @@ class AuthController extends Controller
         ]);
     }
 
+    /**
+     * Check whether or not registrations are allowed in the app settings.
+     * @throws UserRegistrationException
+     */
     protected function checkRegistrationAllowed()
     {
         if (!setting('registration-enabled')) {
-            throw new UserRegistrationException('Registrations are currently disabled.', '/login');
+            throw new UserRegistrationException(trans('auth.registrations_disabled'), '/login');
         }
     }
 
     /**
      * Show the application registration form.
-     * @return \Illuminate\Http\Response
+     * @return Response
      */
     public function getRegister()
     {
@@ -91,9 +101,10 @@ class AuthController extends Controller
 
     /**
      * Handle a registration request for the application.
-     * @param  \Illuminate\Http\Request $request
-     * @return \Illuminate\Http\Response
+     * @param Request|\Illuminate\Http\Request $request
+     * @return Response
      * @throws UserRegistrationException
+     * @throws \Illuminate\Validation\ValidationException
      */
     public function postRegister(Request $request)
     {
@@ -110,64 +121,18 @@ class AuthController extends Controller
         return $this->registerUser($userData);
     }
 
-
     /**
-     * Overrides the action when a user is authenticated.
-     * If the user authenticated but does not exist in the user table we create them.
-     * @param Request $request
-     * @param Authenticatable $user
-     * @return \Illuminate\Http\RedirectResponse
-     * @throws AuthException
+     * Create a new user instance after a valid registration.
+     * @param  array  $data
+     * @return User
      */
-    protected function authenticated(Request $request, Authenticatable $user)
+    protected function create(array $data)
     {
-        // Explicitly log them out for now if they do no exist.
-        if (!$user->exists) auth()->logout($user);
-
-        if (!$user->exists && $user->email === null && !$request->has('email')) {
-            $request->flash();
-            session()->flash('request-email', true);
-            return redirect('/login');
-        }
-
-        if (!$user->exists && $user->email === null && $request->has('email')) {
-            $user->email = $request->get('email');
-        }
-
-        if (!$user->exists) {
-
-            // Check for users with same email already
-            $alreadyUser = $user->newQuery()->where('email', '=', $user->email)->count() > 0;
-            if ($alreadyUser) {
-                throw new AuthException('A user with the email ' . $user->email . ' already exists but with different credentials.');
-            }
-
-            $user->save();
-            $this->userRepo->attachDefaultRole($user);
-            auth()->login($user);
-        }
-
-        return redirect()->intended($this->redirectPath());
-    }
-
-    /**
-     * Register a new user after a registration callback.
-     * @param $socialDriver
-     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
-     * @throws UserRegistrationException
-     */
-    protected function socialRegisterCallback($socialDriver)
-    {
-        $socialUser = $this->socialAuthService->handleRegistrationCallback($socialDriver);
-        $socialAccount = $this->socialAuthService->fillSocialAccount($socialDriver, $socialUser);
-
-        // Create an array of the user data to create a new user instance
-        $userData = [
-            'name' => $socialUser->getName(),
-            'email' => $socialUser->getEmail(),
-            'password' => str_random(30)
-        ];
-        return $this->registerUser($userData, $socialAccount);
+        return User::create([
+            'name' => $data['name'],
+            'email' => $data['email'],
+            'password' => bcrypt($data['password']),
+        ]);
     }
 
     /**
@@ -176,7 +141,7 @@ class AuthController extends Controller
      * @param bool|false|SocialAccount $socialAccount
      * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
      * @throws UserRegistrationException
-     * @throws \BookStack\Exceptions\ConfirmationEmailException
+     * @throws ConfirmationEmailException
      */
     protected function registerUser(array $userData, $socialAccount = false)
     {
@@ -184,7 +149,7 @@ class AuthController extends Controller
             $restrictedEmailDomains = explode(',', str_replace(' ', '', setting('registration-restrict')));
             $userEmailDomain = $domain = substr(strrchr($userData['email'], "@"), 1);
             if (!in_array($userEmailDomain, $restrictedEmailDomains)) {
-                throw new UserRegistrationException('That email domain does not have access to this application', '/register');
+                throw new UserRegistrationException(trans('auth.registration_email_domain_invalid'), '/register');
             }
         }
 
@@ -195,12 +160,18 @@ class AuthController extends Controller
 
         if (setting('registration-confirmation') || setting('registration-restrict')) {
             $newUser->save();
-            $this->emailConfirmationService->sendConfirmation($newUser);
+
+            try {
+                $this->emailConfirmationService->sendConfirmation($newUser);
+            } catch (Exception $e) {
+                session()->flash('error', trans('auth.email_confirm_send_error'));
+            }
+
             return redirect('/register/confirm');
         }
 
         auth()->login($newUser);
-        session()->flash('success', 'Thanks for signing up! You are now registered and signed in.');
+        session()->flash('success', trans('auth.register_success'));
         return redirect($this->redirectPath());
     }
 
@@ -213,18 +184,6 @@ class AuthController extends Controller
         return view('auth/register-confirm');
     }
 
-    /**
-     * View the confirmation email as a standard web page.
-     * @param $token
-     * @return \Illuminate\View\View
-     * @throws UserRegistrationException
-     */
-    public function viewConfirmEmail($token)
-    {
-        $confirmation = $this->emailConfirmationService->getEmailConfirmationFromToken($token);
-        return view('emails/email-confirmation', ['token' => $confirmation->token]);
-    }
-
     /**
      * Confirms an email via a token and logs the user into the system.
      * @param $token
@@ -237,8 +196,8 @@ class AuthController extends Controller
         $user = $confirmation->user;
         $user->email_confirmed = true;
         $user->save();
-        auth()->login($confirmation->user);
-        session()->flash('success', 'Your email has been confirmed!');
+        auth()->login($user);
+        session()->flash('success', trans('auth.email_confirm_success'));
         $this->emailConfirmationService->deleteConfirmationsByUser($user);
         return redirect($this->redirectPath);
     }
@@ -264,33 +223,18 @@ class AuthController extends Controller
             'email' => 'required|email|exists:users,email'
         ]);
         $user = $this->userRepo->getByEmail($request->get('email'));
-        $this->emailConfirmationService->sendConfirmation($user);
-        session()->flash('success', 'Confirmation email resent, Please check your inbox.');
+
+        try {
+            $this->emailConfirmationService->sendConfirmation($user);
+        } catch (Exception $e) {
+            session()->flash('error', trans('auth.email_confirm_send_error'));
+            return redirect('/register/confirm');
+        }
+
+        session()->flash('success', trans('auth.email_confirm_resent'));
         return redirect('/register/confirm');
     }
 
-    /**
-     * Show the application login form.
-     * @return \Illuminate\Http\Response
-     */
-    public function getLogin()
-    {
-        $socialDrivers = $this->socialAuthService->getActiveDrivers();
-        $authMethod = config('auth.method');
-        return view('auth/login', ['socialDrivers' => $socialDrivers, 'authMethod' => $authMethod]);
-    }
-
-    /**
-     * Redirect to the relevant social site.
-     * @param $socialDriver
-     * @return \Symfony\Component\HttpFoundation\RedirectResponse
-     */
-    public function getSocialLogin($socialDriver)
-    {
-        session()->put('social-callback', 'login');
-        return $this->socialAuthService->startLogIn($socialDriver);
-    }
-
     /**
      * Redirect to the social site for authentication intended to register.
      * @param $socialDriver
@@ -311,16 +255,13 @@ class AuthController extends Controller
      */
     public function socialCallback($socialDriver)
     {
-        if (session()->has('social-callback')) {
-            $action = session()->pull('social-callback');
-            if ($action == 'login') {
-                return $this->socialAuthService->handleLoginCallback($socialDriver);
-            } elseif ($action == 'register') {
-                return $this->socialRegisterCallback($socialDriver);
-            }
-        } else {
-            throw new SocialSignInException('No action defined', '/login');
+        if (!session()->has('social-callback')) {
+            throw new SocialSignInException(trans('errors.social_no_action_defined'), '/login');
         }
+
+        $action = session()->pull('social-callback');
+        if ($action == 'login') return $this->socialAuthService->handleLoginCallback($socialDriver);
+        if ($action == 'register') return $this->socialRegisterCallback($socialDriver);
         return redirect()->back();
     }
 
@@ -334,4 +275,24 @@ class AuthController extends Controller
         return $this->socialAuthService->detachSocialAccount($socialDriver);
     }
 
-}
+    /**
+     * Register a new user after a registration callback.
+     * @param $socialDriver
+     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
+     * @throws UserRegistrationException
+     */
+    protected function socialRegisterCallback($socialDriver)
+    {
+        $socialUser = $this->socialAuthService->handleRegistrationCallback($socialDriver);
+        $socialAccount = $this->socialAuthService->fillSocialAccount($socialDriver, $socialUser);
+
+        // Create an array of the user data to create a new user instance
+        $userData = [
+            'name' => $socialUser->getName(),
+            'email' => $socialUser->getEmail(),
+            'password' => str_random(30)
+        ];
+        return $this->registerUser($userData, $socialAccount);
+    }
+
+}

app/Http/Controllers/Auth/ResetPasswordController.php

@@ -5,7 +5,7 @@ namespace BookStack\Http\Controllers\Auth;
 use BookStack\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\ResetsPasswords;
 
-class PasswordController extends Controller
+class ResetPasswordController extends Controller
 {
     /*
     |--------------------------------------------------------------------------
@@ -23,10 +23,27 @@ class PasswordController extends Controller
     protected $redirectTo = '/';
 
     /**
-     * Create a new password controller instance.
+     * Create a new controller instance.
+     *
+     * @return void
      */
     public function __construct()
     {
         $this->middleware('guest');
+        parent::__construct();
     }
-}
+
+    /**
+     * Get the response for a successful password reset.
+     *
+     * @param  string  $response
+     * @return \Illuminate\Http\Response
+     */
+    protected function sendResetResponse($response)
+    {
+        $message = trans('auth.reset_password_success');
+        session()->flash('success', $message);
+        return redirect($this->redirectPath())
+            ->with('status', trans($response));
+    }
+}

app/Http/Controllers/BookController.php

@@ -1,36 +1,32 @@
 <?php namespace BookStack\Http\Controllers;
 
 use Activity;
+use BookStack\Book;
+use BookStack\Repos\EntityRepo;
 use BookStack\Repos\UserRepo;
+use BookStack\Services\ExportService;
 use Illuminate\Http\Request;
-use Illuminate\Support\Facades\Auth;
-use BookStack\Http\Requests;
-use BookStack\Repos\BookRepo;
-use BookStack\Repos\ChapterRepo;
-use BookStack\Repos\PageRepo;
+use Illuminate\Http\Response;
 use Views;
 
 class BookController extends Controller
 {
 
-    protected $bookRepo;
-    protected $pageRepo;
-    protected $chapterRepo;
+    protected $entityRepo;
     protected $userRepo;
+    protected $exportService;
 
     /**
      * BookController constructor.
-     * @param BookRepo $bookRepo
-     * @param PageRepo $pageRepo
-     * @param ChapterRepo $chapterRepo
+     * @param EntityRepo $entityRepo
      * @param UserRepo $userRepo
+     * @param ExportService $exportService
      */
-    public function __construct(BookRepo $bookRepo, PageRepo $pageRepo, ChapterRepo $chapterRepo, UserRepo $userRepo)
+    public function __construct(EntityRepo $entityRepo, UserRepo $userRepo, ExportService $exportService)
     {
-        $this->bookRepo = $bookRepo;
-        $this->pageRepo = $pageRepo;
-        $this->chapterRepo = $chapterRepo;
+        $this->entityRepo = $entityRepo;
         $this->userRepo = $userRepo;
+        $this->exportService = $exportService;
         parent::__construct();
     }
 
@@ -40,11 +36,17 @@ class BookController extends Controller
      */
     public function index()
     {
-        $books = $this->bookRepo->getAllPaginated(10);
-        $recents = $this->signedIn ? $this->bookRepo->getRecentlyViewed(4, 0) : false;
-        $popular = $this->bookRepo->getPopular(4, 0);
+        $books = $this->entityRepo->getAllPaginated('book', 20);
+        $recents = $this->signedIn ? $this->entityRepo->getRecentlyViewed('book', 4, 0) : false;
+        $popular = $this->entityRepo->getPopular('book', 4, 0);
+        $new = $this->entityRepo->getRecentlyCreated('book', 4, 0);
         $this->setPageTitle('Books');
-        return view('books/index', ['books' => $books, 'recents' => $recents, 'popular' => $popular]);
+        return view('books/index', [
+            'books' => $books,
+            'recents' => $recents,
+            'popular' => $popular,
+            'new' => $new
+        ]);
     }
 
     /**
@@ -54,7 +56,7 @@ class BookController extends Controller
     public function create()
     {
         $this->checkPermission('book-create-all');
-        $this->setPageTitle('Create New Book');
+        $this->setPageTitle(trans('entities.books_create'));
         return view('books/create');
     }
 
@@ -71,11 +73,7 @@ class BookController extends Controller
             'name' => 'required|string|max:255',
             'description' => 'string|max:1000'
         ]);
-        $book = $this->bookRepo->newFromInput($request->all());
-        $book->slug = $this->bookRepo->findSuitableSlug($book->name);
-        $book->created_by = Auth::user()->id;
-        $book->updated_by = Auth::user()->id;
-        $book->save();
+        $book = $this->entityRepo->createFromInput('book', $request->all());
         Activity::add($book, 'book_create', $book->id);
         return redirect($book->getUrl());
     }
@@ -87,11 +85,17 @@ class BookController extends Controller
      */
     public function show($slug)
     {
-        $book = $this->bookRepo->getBySlug($slug);
-        $bookChildren = $this->bookRepo->getChildren($book);
+        $book = $this->entityRepo->getBySlug('book', $slug);
+        $this->checkOwnablePermission('book-view', $book);
+        $bookChildren = $this->entityRepo->getBookChildren($book);
         Views::add($book);
         $this->setPageTitle($book->getShortName());
-        return view('books/show', ['book' => $book, 'current' => $book, 'bookChildren' => $bookChildren]);
+        return view('books/show', [
+            'book' => $book,
+            'current' => $book,
+            'bookChildren' => $bookChildren,
+            'activity' => Activity::entityActivity($book, 20, 0)
+        ]);
     }
 
     /**
@@ -101,9 +105,9 @@ class BookController extends Controller
      */
     public function edit($slug)
     {
-        $book = $this->bookRepo->getBySlug($slug);
+        $book = $this->entityRepo->getBySlug('book', $slug);
         $this->checkOwnablePermission('book-update', $book);
-        $this->setPageTitle('Edit Book ' . $book->getShortName());
+        $this->setPageTitle(trans('entities.books_edit_named',['bookName'=>$book->getShortName()]));
         return view('books/edit', ['book' => $book, 'current' => $book]);
     }
 
@@ -115,16 +119,13 @@ class BookController extends Controller
      */
     public function update(Request $request, $slug)
     {
-        $book = $this->bookRepo->getBySlug($slug);
+        $book = $this->entityRepo->getBySlug('book', $slug);
         $this->checkOwnablePermission('book-update', $book);
         $this->validate($request, [
             'name' => 'required|string|max:255',
             'description' => 'string|max:1000'
         ]);
-        $book->fill($request->all());
-        $book->slug = $this->bookRepo->findSuitableSlug($book->name, $book->id);
-        $book->updated_by = Auth::user()->id;
-        $book->save();
+        $book = $this->entityRepo->updateFromInput('book', $book, $request->all());
         Activity::add($book, 'book_update', $book->id);
         return redirect($book->getUrl());
     }
@@ -136,9 +137,9 @@ class BookController extends Controller
      */
     public function showDelete($bookSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('book-delete', $book);
-        $this->setPageTitle('Delete Book ' . $book->getShortName());
+        $this->setPageTitle(trans('entities.books_delete_named', ['bookName'=>$book->getShortName()]));
         return view('books/delete', ['book' => $book, 'current' => $book]);
     }
 
@@ -149,11 +150,11 @@ class BookController extends Controller
      */
     public function sort($bookSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('book-update', $book);
-        $bookChildren = $this->bookRepo->getChildren($book, true);
-        $books = $this->bookRepo->getAll(false);
-        $this->setPageTitle('Sort Book ' . $book->getShortName());
+        $bookChildren = $this->entityRepo->getBookChildren($book, true);
+        $books = $this->entityRepo->getAll('book', false);
+        $this->setPageTitle(trans('entities.books_sort_named', ['bookName'=>$book->getShortName()]));
         return view('books/sort', ['book' => $book, 'current' => $book, 'books' => $books, 'bookChildren' => $bookChildren]);
     }
 
@@ -165,8 +166,8 @@ class BookController extends Controller
      */
     public function getSortItem($bookSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $bookChildren = $this->bookRepo->getChildren($book);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
+        $bookChildren = $this->entityRepo->getBookChildren($book);
         return view('books/sort-box', ['book' => $book, 'bookChildren' => $bookChildren]);
     }
 
@@ -178,7 +179,7 @@ class BookController extends Controller
      */
     public function saveSort($bookSlug, Request $request)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('book-update', $book);
 
         // Return if no map sent
@@ -186,21 +187,31 @@ class BookController extends Controller
             return redirect($book->getUrl());
         }
 
-        $sortedBooks = [];
         // Sort pages and chapters
+        $sortedBooks = [];
+        $updatedModels = collect();
         $sortMap = json_decode($request->get('sort-tree'));
         $defaultBookId = $book->id;
-        foreach ($sortMap as $index => $bookChild) {
-            $id = $bookChild->id;
+
+        // Loop through contents of provided map and update entities accordingly
+        foreach ($sortMap as $bookChild) {
+            $priority = $bookChild->sort;
+            $id = intval($bookChild->id);
             $isPage = $bookChild->type == 'page';
-            $bookId = $this->bookRepo->exists($bookChild->book) ? $bookChild->book : $defaultBookId;
-            $model = $isPage ? $this->pageRepo->getById($id) : $this->chapterRepo->getById($id);
-            $isPage ? $this->pageRepo->changeBook($bookId, $model) : $this->chapterRepo->changeBook($bookId, $model);
-            $model->priority = $index;
-            if ($isPage) {
-                $model->chapter_id = ($bookChild->parentChapter === false) ? 0 : $bookChild->parentChapter;
+            $bookId = $this->entityRepo->exists('book', $bookChild->book) ? intval($bookChild->book) : $defaultBookId;
+            $chapterId = ($isPage && $bookChild->parentChapter === false) ? 0 : intval($bookChild->parentChapter);
+            $model = $this->entityRepo->getById($isPage?'page':'chapter', $id);
+
+            // Update models only if there's a change in parent chain or ordering.
+            if ($model->priority !== $priority || $model->book_id !== $bookId || ($isPage && $model->chapter_id !== $chapterId)) {
+                $this->entityRepo->changeBook($isPage?'page':'chapter', $bookId, $model);
+                $model->priority = $priority;
+                if ($isPage) $model->chapter_id = $chapterId;
+                $model->save();
+                $updatedModels->push($model);
             }
-            $model->save();
+
+            // Store involved books to be sorted later
             if (!in_array($bookId, $sortedBooks)) {
                 $sortedBooks[] = $bookId;
             }
@@ -208,7 +219,9 @@ class BookController extends Controller
 
         // Add activity for books
         foreach ($sortedBooks as $bookId) {
-            $updatedBook = $this->bookRepo->getById($bookId);
+            /** @var Book $updatedBook */
+            $updatedBook = $this->entityRepo->getById('book', $bookId);
+            $this->entityRepo->buildJointPermissionsForBook($updatedBook);
             Activity::add($updatedBook, 'book_sort', $updatedBook->id);
         }
 
@@ -222,11 +235,10 @@ class BookController extends Controller
      */
     public function destroy($bookSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('book-delete', $book);
         Activity::addMessage('book_delete', 0, $book->name);
-        Activity::removeEntity($book);
-        $this->bookRepo->destroyBySlug($bookSlug);
+        $this->entityRepo->destroyBook($book);
         return redirect('/books');
     }
 
@@ -237,7 +249,7 @@ class BookController extends Controller
      */
     public function showRestrict($bookSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('restrictions-manage', $book);
         $roles = $this->userRepo->getRestrictableRoles();
         return view('books/restrictions', [
@@ -255,10 +267,55 @@ class BookController extends Controller
      */
     public function restrict($bookSlug, Request $request)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('restrictions-manage', $book);
-        $this->bookRepo->updateRestrictionsFromRequest($request, $book);
-        session()->flash('success', 'Book Restrictions Updated');
+        $this->entityRepo->updateEntityPermissionsFromRequest($request, $book);
+        session()->flash('success', trans('entities.books_permissions_updated'));
         return redirect($book->getUrl());
     }
+
+    /**
+     * Export a book as a PDF file.
+     * @param string $bookSlug
+     * @return mixed
+     */
+    public function exportPdf($bookSlug)
+    {
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
+        $pdfContent = $this->exportService->bookToPdf($book);
+        return response()->make($pdfContent, 200, [
+            'Content-Type'        => 'application/octet-stream',
+            'Content-Disposition' => 'attachment; filename="' . $bookSlug . '.pdf'
+        ]);
+    }
+
+    /**
+     * Export a book as a contained HTML file.
+     * @param string $bookSlug
+     * @return mixed
+     */
+    public function exportHtml($bookSlug)
+    {
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
+        $htmlContent = $this->exportService->bookToContainedHtml($book);
+        return response()->make($htmlContent, 200, [
+            'Content-Type'        => 'application/octet-stream',
+            'Content-Disposition' => 'attachment; filename="' . $bookSlug . '.html'
+        ]);
+    }
+
+    /**
+     * Export a book as a plain text file.
+     * @param $bookSlug
+     * @return mixed
+     */
+    public function exportPlainText($bookSlug)
+    {
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
+        $htmlContent = $this->exportService->bookToPlainText($book);
+        return response()->make($htmlContent, 200, [
+            'Content-Type'        => 'application/octet-stream',
+            'Content-Disposition' => 'attachment; filename="' . $bookSlug . '.txt'
+        ]);
+    }
 }

app/Http/Controllers/ChapterController.php

@@ -1,31 +1,31 @@
 <?php namespace BookStack\Http\Controllers;
 
 use Activity;
+use BookStack\Repos\EntityRepo;
 use BookStack\Repos\UserRepo;
+use BookStack\Services\ExportService;
 use Illuminate\Http\Request;
-use BookStack\Http\Requests;
-use BookStack\Repos\BookRepo;
-use BookStack\Repos\ChapterRepo;
+use Illuminate\Http\Response;
 use Views;
 
 class ChapterController extends Controller
 {
 
-    protected $bookRepo;
-    protected $chapterRepo;
     protected $userRepo;
+    protected $entityRepo;
+    protected $exportService;
 
     /**
      * ChapterController constructor.
-     * @param BookRepo $bookRepo
-     * @param ChapterRepo $chapterRepo
+     * @param EntityRepo $entityRepo
      * @param UserRepo $userRepo
+     * @param ExportService $exportService
      */
-    public function __construct(BookRepo $bookRepo, ChapterRepo $chapterRepo, UserRepo $userRepo)
+    public function __construct(EntityRepo $entityRepo, UserRepo $userRepo, ExportService $exportService)
     {
-        $this->bookRepo = $bookRepo;
-        $this->chapterRepo = $chapterRepo;
+        $this->entityRepo = $entityRepo;
         $this->userRepo = $userRepo;
+        $this->exportService = $exportService;
         parent::__construct();
     }
 
@@ -36,9 +36,9 @@ class ChapterController extends Controller
      */
     public function create($bookSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('chapter-create', $book);
-        $this->setPageTitle('Create New Chapter');
+        $this->setPageTitle(trans('entities.chapters_create'));
         return view('chapters/create', ['book' => $book, 'current' => $book]);
     }
 
@@ -54,15 +54,12 @@ class ChapterController extends Controller
             'name' => 'required|string|max:255'
         ]);
 
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
         $this->checkOwnablePermission('chapter-create', $book);
 
-        $chapter = $this->chapterRepo->newFromInput($request->all());
-        $chapter->slug = $this->chapterRepo->findSuitableSlug($chapter->name, $book->id);
-        $chapter->priority = $this->bookRepo->getNewPriority($book);
-        $chapter->created_by = auth()->user()->id;
-        $chapter->updated_by = auth()->user()->id;
-        $book->chapters()->save($chapter);
+        $input = $request->all();
+        $input['priority'] = $this->entityRepo->getNewBookPriority($book);
+        $chapter = $this->entityRepo->createFromInput('chapter', $input, $book);
         Activity::add($chapter, 'chapter_create', $book->id);
         return redirect($chapter->getUrl());
     }
@@ -75,14 +72,14 @@ class ChapterController extends Controller
      */
     public function show($bookSlug, $chapterSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $this->chapterRepo->getBySlug($chapterSlug, $book->id);
-        $sidebarTree = $this->bookRepo->getChildren($book);
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
+        $this->checkOwnablePermission('chapter-view', $chapter);
+        $sidebarTree = $this->entityRepo->getBookChildren($chapter->book);
         Views::add($chapter);
         $this->setPageTitle($chapter->getShortName());
-        $pages = $this->chapterRepo->getChildren($chapter);
+        $pages = $this->entityRepo->getChapterChildren($chapter);
         return view('chapters/show', [
-            'book' => $book,
+            'book' => $chapter->book,
             'chapter' => $chapter,
             'current' => $chapter,
             'sidebarTree' => $sidebarTree,
@@ -98,11 +95,10 @@ class ChapterController extends Controller
      */
     public function edit($bookSlug, $chapterSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $this->chapterRepo->getBySlug($chapterSlug, $book->id);
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
         $this->checkOwnablePermission('chapter-update', $chapter);
-        $this->setPageTitle('Edit Chapter' . $chapter->getShortName());
-        return view('chapters/edit', ['book' => $book, 'chapter' => $chapter, 'current' => $chapter]);
+        $this->setPageTitle(trans('entities.chapters_edit_named', ['chapterName' => $chapter->getShortName()]));
+        return view('chapters/edit', ['book' => $chapter->book, 'chapter' => $chapter, 'current' => $chapter]);
     }
 
     /**
@@ -114,14 +110,15 @@ class ChapterController extends Controller
      */
     public function update(Request $request, $bookSlug, $chapterSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $this->chapterRepo->getBySlug($chapterSlug, $book->id);
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
         $this->checkOwnablePermission('chapter-update', $chapter);
+        if ($chapter->name !== $request->get('name')) {
+            $chapter->slug = $this->entityRepo->findSuitableSlug('chapter', $request->get('name'), $chapter->id, $chapter->book->id);
+        }
         $chapter->fill($request->all());
-        $chapter->slug = $this->chapterRepo->findSuitableSlug($chapter->name, $book->id, $chapter->id);
-        $chapter->updated_by = auth()->user()->id;
+        $chapter->updated_by = user()->id;
         $chapter->save();
-        Activity::add($chapter, 'chapter_update', $book->id);
+        Activity::add($chapter, 'chapter_update', $chapter->book->id);
         return redirect($chapter->getUrl());
     }
 
@@ -133,11 +130,10 @@ class ChapterController extends Controller
      */
     public function showDelete($bookSlug, $chapterSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $this->chapterRepo->getBySlug($chapterSlug, $book->id);
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
         $this->checkOwnablePermission('chapter-delete', $chapter);
-        $this->setPageTitle('Delete Chapter' . $chapter->getShortName());
-        return view('chapters/delete', ['book' => $book, 'chapter' => $chapter, 'current' => $chapter]);
+        $this->setPageTitle(trans('entities.chapters_delete_named', ['chapterName' => $chapter->getShortName()]));
+        return view('chapters/delete', ['book' => $chapter->book, 'chapter' => $chapter, 'current' => $chapter]);
     }
 
     /**
@@ -148,14 +144,70 @@ class ChapterController extends Controller
      */
     public function destroy($bookSlug, $chapterSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $this->chapterRepo->getBySlug($chapterSlug, $book->id);
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
+        $book = $chapter->book;
         $this->checkOwnablePermission('chapter-delete', $chapter);
         Activity::addMessage('chapter_delete', $book->id, $chapter->name);
-        $this->chapterRepo->destroy($chapter);
+        $this->entityRepo->destroyChapter($chapter);
         return redirect($book->getUrl());
     }
 
+    /**
+     * Show the page for moving a chapter.
+     * @param $bookSlug
+     * @param $chapterSlug
+     * @return mixed
+     * @throws \BookStack\Exceptions\NotFoundException
+     */
+    public function showMove($bookSlug, $chapterSlug) {
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
+        $this->setPageTitle(trans('entities.chapters_move_named', ['chapterName' => $chapter->getShortName()]));
+        $this->checkOwnablePermission('chapter-update', $chapter);
+        return view('chapters/move', [
+            'chapter' => $chapter,
+            'book' => $chapter->book
+        ]);
+    }
+
+    /**
+     * Perform the move action for a chapter.
+     * @param $bookSlug
+     * @param $chapterSlug
+     * @param Request $request
+     * @return mixed
+     * @throws \BookStack\Exceptions\NotFoundException
+     */
+    public function move($bookSlug, $chapterSlug, Request $request) {
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
+        $this->checkOwnablePermission('chapter-update', $chapter);
+
+        $entitySelection = $request->get('entity_selection', null);
+        if ($entitySelection === null || $entitySelection === '') {
+            return redirect($chapter->getUrl());
+        }
+
+        $stringExploded = explode(':', $entitySelection);
+        $entityType = $stringExploded[0];
+        $entityId = intval($stringExploded[1]);
+
+        $parent = false;
+
+        if ($entityType == 'book') {
+            $parent = $this->entityRepo->getById('book', $entityId);
+        }
+
+        if ($parent === false || $parent === null) {
+            session()->flash('error', trans('errors.selected_book_not_found'));
+            return redirect()->back();
+        }
+
+        $this->entityRepo->changeBook('chapter', $parent->id, $chapter, true);
+        Activity::add($chapter, 'chapter_move', $chapter->book->id);
+        session()->flash('success', trans('entities.chapter_move_success', ['bookName' => $parent->name]));
+
+        return redirect($chapter->getUrl());
+    }
+
     /**
      * Show the Restrictions view.
      * @param $bookSlug
@@ -164,8 +216,7 @@ class ChapterController extends Controller
      */
     public function showRestrict($bookSlug, $chapterSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $this->chapterRepo->getBySlug($chapterSlug, $book->id);
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
         $this->checkOwnablePermission('restrictions-manage', $chapter);
         $roles = $this->userRepo->getRestrictableRoles();
         return view('chapters/restrictions', [
@@ -183,11 +234,58 @@ class ChapterController extends Controller
      */
     public function restrict($bookSlug, $chapterSlug, Request $request)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $this->chapterRepo->getBySlug($chapterSlug, $book->id);
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
         $this->checkOwnablePermission('restrictions-manage', $chapter);
-        $this->chapterRepo->updateRestrictionsFromRequest($request, $chapter);
-        session()->flash('success', 'Chapter Restrictions Updated');
+        $this->entityRepo->updateEntityPermissionsFromRequest($request, $chapter);
+        session()->flash('success', trans('entities.chapters_permissions_success'));
         return redirect($chapter->getUrl());
     }
+
+    /**
+     * Exports a chapter to pdf .
+     * @param string $bookSlug
+     * @param string $chapterSlug
+     * @return \Illuminate\Http\Response
+     */
+    public function exportPdf($bookSlug, $chapterSlug)
+    {
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
+        $pdfContent = $this->exportService->chapterToPdf($chapter);
+        return response()->make($pdfContent, 200, [
+            'Content-Type'        => 'application/octet-stream',
+            'Content-Disposition' => 'attachment; filename="' . $chapterSlug . '.pdf'
+        ]);
+    }
+
+    /**
+     * Export a chapter to a self-contained HTML file.
+     * @param string $bookSlug
+     * @param string $chapterSlug
+     * @return \Illuminate\Http\Response
+     */
+    public function exportHtml($bookSlug, $chapterSlug)
+    {
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
+        $containedHtml = $this->exportService->chapterToContainedHtml($chapter);
+        return response()->make($containedHtml, 200, [
+            'Content-Type'        => 'application/octet-stream',
+            'Content-Disposition' => 'attachment; filename="' . $chapterSlug . '.html'
+        ]);
+    }
+
+    /**
+     * Export a chapter to a simple plaintext .txt file.
+     * @param string $bookSlug
+     * @param string $chapterSlug
+     * @return \Illuminate\Http\Response
+     */
+    public function exportPlainText($bookSlug, $chapterSlug)
+    {
+        $chapter = $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug);
+        $containedHtml = $this->exportService->chapterToPlainText($chapter);
+        return response()->make($containedHtml, 200, [
+            'Content-Type'        => 'application/octet-stream',
+            'Content-Disposition' => 'attachment; filename="' . $chapterSlug . '.txt'
+        ]);
+    }
 }

app/Http/Controllers/CommentController.php

@@ -0,0 +1,93 @@
+<?php namespace BookStack\Http\Controllers;
+
+use Activity;
+use BookStack\Repos\CommentRepo;
+use BookStack\Repos\EntityRepo;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Http\Request;
+
+class CommentController extends Controller
+{
+    protected $entityRepo;
+    protected $commentRepo;
+
+    /**
+     * CommentController constructor.
+     * @param EntityRepo $entityRepo
+     * @param CommentRepo $commentRepo
+     */
+    public function __construct(EntityRepo $entityRepo, CommentRepo $commentRepo)
+    {
+        $this->entityRepo = $entityRepo;
+        $this->commentRepo = $commentRepo;
+        parent::__construct();
+    }
+
+    /**
+     * Save a new comment for a Page
+     * @param Request $request
+     * @param integer $pageId
+     * @param null|integer $commentId
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\JsonResponse|\Symfony\Component\HttpFoundation\Response
+     */
+    public function savePageComment(Request $request, $pageId, $commentId = null)
+    {
+        $this->validate($request, [
+            'text' => 'required|string',
+            'html' => 'required|string',
+        ]);
+
+        try {
+            $page = $this->entityRepo->getById('page', $pageId, true);
+        } catch (ModelNotFoundException $e) {
+            return response('Not found', 404);
+        }
+
+        $this->checkOwnablePermission('page-view', $page);
+
+        // Prevent adding comments to draft pages
+        if ($page->draft) {
+            return $this->jsonError(trans('errors.cannot_add_comment_to_draft'), 400);
+        }
+
+        // Create a new comment.
+        $this->checkPermission('comment-create-all');
+        $comment = $this->commentRepo->create($page, $request->only(['html', 'text', 'parent_id']));
+        Activity::add($page, 'commented_on', $page->book->id);
+        return view('comments/comment', ['comment' => $comment]);
+    }
+
+    /**
+     * Update an existing comment.
+     * @param Request $request
+     * @param integer $commentId
+     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
+     */
+    public function update(Request $request, $commentId)
+    {
+        $this->validate($request, [
+            'text' => 'required|string',
+            'html' => 'required|string',
+        ]);
+
+        $comment = $this->commentRepo->getById($commentId);
+        $this->checkOwnablePermission('page-view', $comment->entity);
+        $this->checkOwnablePermission('comment-update', $comment);
+
+        $comment = $this->commentRepo->update($comment, $request->only(['html', 'text']));
+        return view('comments/comment', ['comment' => $comment]);
+    }
+
+    /**
+     * Delete a comment from the system.
+     * @param integer $id
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function destroy($id)
+    {
+        $comment = $this->commentRepo->getById($id);
+        $this->checkOwnablePermission('comment-delete', $comment);
+        $this->commentRepo->delete($comment);
+        return response()->json(['message' => trans('entities.comment_deleted')]);
+    }
+}

app/Http/Controllers/Controller.php

@@ -3,13 +3,11 @@
 namespace BookStack\Http\Controllers;
 
 use BookStack\Ownable;
-use HttpRequestException;
 use Illuminate\Foundation\Bus\DispatchesJobs;
-use Illuminate\Http\Exception\HttpResponseException;
+use Illuminate\Http\Exceptions\HttpResponseException;
+use Illuminate\Http\Request;
 use Illuminate\Routing\Controller as BaseController;
 use Illuminate\Foundation\Validation\ValidatesRequests;
-use Illuminate\Support\Facades\Auth;
-use Illuminate\Support\Facades\Session;
 use BookStack\User;
 
 abstract class Controller extends BaseController
@@ -30,17 +28,21 @@ abstract class Controller extends BaseController
      */
     public function __construct()
     {
-        // Get a user instance for the current user
-        $user = auth()->user();
-        if (!$user) $user = User::getDefault();
+        $this->middleware(function ($request, $next) {
 
-        // Share variables with views
-        view()->share('signedIn', auth()->check());
-        view()->share('currentUser', $user);
+            // Get a user instance for the current user
+            $user = user();
 
-        // Share variables with controllers
-        $this->currentUser = $user;
-        $this->signedIn = auth()->check();
+            // Share variables with controllers
+            $this->currentUser = $user;
+            $this->signedIn = auth()->check();
+
+            // Share variables with views
+            view()->share('signedIn', $this->signedIn);
+            view()->share('currentUser', $user);
+
+            return $next($request);
+        });
     }
 
     /**
@@ -67,8 +69,13 @@ abstract class Controller extends BaseController
      */
     protected function showPermissionError()
     {
-        Session::flash('error', trans('errors.permission'));
-        $response = request()->wantsJson() ? response()->json(['error' => trans('errors.permissionJson')], 403) : redirect('/');
+        if (request()->wantsJson()) {
+            $response = response()->json(['error' => trans('errors.permissionJson')], 403);
+        } else {
+            $response = redirect('/');
+            session()->flash('error', trans('errors.permission'));
+        }
+
         throw new HttpResponseException($response);
     }
 
@@ -79,7 +86,7 @@ abstract class Controller extends BaseController
      */
     protected function checkPermission($permissionName)
     {
-        if (!$this->currentUser || !$this->currentUser->can($permissionName)) {
+        if (!user() || !user()->can($permissionName)) {
             $this->showPermissionError();
         }
         return true;
@@ -110,4 +117,33 @@ abstract class Controller extends BaseController
         return true;
     }
 
+    /**
+     * Send back a json error message.
+     * @param string $messageText
+     * @param int $statusCode
+     * @return mixed
+     */
+    protected function jsonError($messageText = "", $statusCode = 500)
+    {
+        return response()->json(['message' => $messageText], $statusCode);
+    }
+
+    /**
+     * Create the response for when a request fails validation.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  array  $errors
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    protected function buildFailedValidationResponse(Request $request, array $errors)
+    {
+        if ($request->expectsJson()) {
+            return response()->json(['validation' => $errors], 422);
+        }
+
+        return redirect()->to($this->getRedirectUrl())
+            ->withInput($request->input())
+            ->withErrors($errors, $this->errorBag());
+    }
+
 }

app/Http/Controllers/HomeController.php

@@ -1,10 +1,8 @@
-<?php
-
-namespace BookStack\Http\Controllers;
+<?php namespace BookStack\Http\Controllers;
 
 use Activity;
 use BookStack\Repos\EntityRepo;
-use BookStack\Http\Requests;
+use Illuminate\Http\Response;
 use Views;
 
 class HomeController extends Controller
@@ -31,15 +29,60 @@ class HomeController extends Controller
         $activity = Activity::latest(10);
         $draftPages = $this->signedIn ? $this->entityRepo->getUserDraftPages(6) : [];
         $recentFactor = count($draftPages) > 0 ? 0.5 : 1;
-        $recents = $this->signedIn ? Views::getUserRecentlyViewed(12*$recentFactor, 0) : $this->entityRepo->getRecentlyCreatedBooks(10*$recentFactor);
-        $recentlyCreatedPages = $this->entityRepo->getRecentlyCreatedPages(5);
-        $recentlyUpdatedPages = $this->entityRepo->getRecentlyUpdatedPages(5);
-        return view('home', [
+        $recents = $this->signedIn ? Views::getUserRecentlyViewed(12*$recentFactor, 0) : $this->entityRepo->getRecentlyCreated('book', 12*$recentFactor);
+        $recentlyUpdatedPages = $this->entityRepo->getRecentlyUpdated('page', 12);
+
+        // Custom homepage
+        $customHomepage = false;
+        $homepageSetting = setting('app-homepage');
+        if ($homepageSetting) {
+            $id = intval(explode(':', $homepageSetting)[0]);
+            $customHomepage = $this->entityRepo->getById('page', $id, false, true);
+            $this->entityRepo->renderPage($customHomepage, true);
+        }
+
+        $view = $customHomepage ? 'home-custom' : 'home';
+        return view($view, [
             'activity' => $activity,
             'recents' => $recents,
-            'recentlyCreatedPages' => $recentlyCreatedPages,
             'recentlyUpdatedPages' => $recentlyUpdatedPages,
-            'draftPages' => $draftPages
+            'draftPages' => $draftPages,
+            'customHomepage' => $customHomepage
+        ]);
+    }
+
+    /**
+     * Get a js representation of the current translations
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Symfony\Component\HttpFoundation\Response
+     */
+    public function getTranslations() {
+        $locale = app()->getLocale();
+        $cacheKey = 'GLOBAL_TRANSLATIONS_' . $locale;
+        if (cache()->has($cacheKey) && config('app.env') !== 'development') {
+            $resp = cache($cacheKey);
+        } else {
+            $translations = [
+                // Get only translations which might be used in JS
+                'common' => trans('common'),
+                'components' => trans('components'),
+                'entities' => trans('entities'),
+                'errors' => trans('errors')
+            ];
+            if ($locale !== 'en') {
+                $enTrans = [
+                    'common' => trans('common', [], 'en'),
+                    'components' => trans('components', [], 'en'),
+                    'entities' => trans('entities', [], 'en'),
+                    'errors' => trans('errors', [], 'en')
+                ];
+                $translations = array_replace_recursive($enTrans, $translations);
+            }
+            $resp = 'window.translations = ' . json_encode($translations);
+            cache()->put($cacheKey, $resp, 120);
+        }
+
+        return response($resp, 200, [
+            'Content-Type' => 'application/javascript'
         ]);
     }
 

app/Http/Controllers/ImageController.php

@@ -1,6 +1,7 @@
 <?php namespace BookStack\Http\Controllers;
 
 use BookStack\Exceptions\ImageUploadException;
+use BookStack\Repos\EntityRepo;
 use BookStack\Repos\ImageRepo;
 use Illuminate\Filesystem\Filesystem as File;
 use Illuminate\Http\Request;
@@ -51,9 +52,9 @@ class ImageController extends Controller
         $this->validate($request, [
             'term' => 'required|string'
         ]);
-        
+
         $searchTerm = $request->get('term');
-        $imgData = $this->imageRepo->searchPaginatedByType($type, $page,24, $searchTerm);
+        $imgData = $this->imageRepo->searchPaginatedByType($type, $page, 24, $searchTerm);
         return response()->json($imgData);
     }
 
@@ -73,6 +74,7 @@ class ImageController extends Controller
      * @param $filter
      * @param int $page
      * @param Request $request
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\JsonResponse|\Symfony\Component\HttpFoundation\Response
      */
     public function getGalleryFiltered($filter, $page = 0, Request $request)
     {
@@ -99,7 +101,7 @@ class ImageController extends Controller
     {
         $this->checkPermission('image-create-all');
         $this->validate($request, [
-            'file' => 'image|mimes:jpeg,gif,png'
+            'file' => 'is_image'
         ]);
 
         $imageUpload = $request->file('file');
@@ -149,12 +151,12 @@ class ImageController extends Controller
 
     /**
      * Deletes an image and all thumbnail/image files
-     * @param PageRepo $pageRepo
+     * @param EntityRepo $entityRepo
      * @param Request $request
      * @param int $id
      * @return \Illuminate\Http\JsonResponse
      */
-    public function destroy(PageRepo $pageRepo, Request $request, $id)
+    public function destroy(EntityRepo $entityRepo, Request $request, $id)
     {
         $image = $this->imageRepo->getById($id);
         $this->checkOwnablePermission('image-delete', $image);
@@ -162,14 +164,14 @@ class ImageController extends Controller
         // Check if this image is used on any pages
         $isForced = ($request->has('force') && ($request->get('force') === 'true') || $request->get('force') === true);
         if (!$isForced) {
-            $pageSearch = $pageRepo->searchForImage($image->url);
+            $pageSearch = $entityRepo->searchForImage($image->url);
             if ($pageSearch !== false) {
                 return response()->json($pageSearch, 400);
             }
         }
 
         $this->imageRepo->destroyImage($image);
-        return response()->json('Image Deleted');
+        return response()->json(trans('components.images_deleted'));
     }
 
 

app/Http/Controllers/PageController.php

@@ -2,39 +2,31 @@
 
 use Activity;
 use BookStack\Exceptions\NotFoundException;
+use BookStack\Repos\EntityRepo;
 use BookStack\Repos\UserRepo;
 use BookStack\Services\ExportService;
 use Carbon\Carbon;
 use Illuminate\Http\Request;
-use BookStack\Http\Requests;
-use BookStack\Repos\BookRepo;
-use BookStack\Repos\ChapterRepo;
-use BookStack\Repos\PageRepo;
-use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Illuminate\Http\Response;
 use Views;
+use GatherContent\Htmldiff\Htmldiff;
 
 class PageController extends Controller
 {
 
-    protected $pageRepo;
-    protected $bookRepo;
-    protected $chapterRepo;
+    protected $entityRepo;
     protected $exportService;
     protected $userRepo;
 
     /**
      * PageController constructor.
-     * @param PageRepo $pageRepo
-     * @param BookRepo $bookRepo
-     * @param ChapterRepo $chapterRepo
+     * @param EntityRepo $entityRepo
      * @param ExportService $exportService
      * @param UserRepo $userRepo
      */
-    public function __construct(PageRepo $pageRepo, BookRepo $bookRepo, ChapterRepo $chapterRepo, ExportService $exportService, UserRepo $userRepo)
+    public function __construct(EntityRepo $entityRepo, ExportService $exportService, UserRepo $userRepo)
     {
-        $this->pageRepo = $pageRepo;
-        $this->bookRepo = $bookRepo;
-        $this->chapterRepo = $chapterRepo;
+        $this->entityRepo = $entityRepo;
         $this->exportService = $exportService;
         $this->userRepo = $userRepo;
         parent::__construct();
@@ -42,43 +34,82 @@ class PageController extends Controller
 
     /**
      * Show the form for creating a new page.
-     * @param      $bookSlug
-     * @param bool $chapterSlug
+     * @param string $bookSlug
+     * @param string $chapterSlug
      * @return Response
      * @internal param bool $pageSlug
      */
-    public function create($bookSlug, $chapterSlug = false)
+    public function create($bookSlug, $chapterSlug = null)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $chapterSlug ? $this->chapterRepo->getBySlug($chapterSlug, $book->id) : null;
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
+        $chapter = $chapterSlug ? $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug) : null;
         $parent = $chapter ? $chapter : $book;
         $this->checkOwnablePermission('page-create', $parent);
-        $this->setPageTitle('Create New Page');
 
-        $draft = $this->pageRepo->getDraftPage($book, $chapter);
-        return redirect($draft->getUrl());
+        // Redirect to draft edit screen if signed in
+        if ($this->signedIn) {
+            $draft = $this->entityRepo->getDraftPage($book, $chapter);
+            return redirect($draft->getUrl());
+        }
+
+        // Otherwise show edit view
+        $this->setPageTitle(trans('entities.pages_new'));
+        return view('pages/guest-create', ['parent' => $parent]);
+    }
+
+    /**
+     * Create a new page as a guest user.
+     * @param Request $request
+     * @param string $bookSlug
+     * @param string|null $chapterSlug
+     * @return mixed
+     * @throws NotFoundException
+     */
+    public function createAsGuest(Request $request, $bookSlug, $chapterSlug = null)
+    {
+        $this->validate($request, [
+            'name' => 'required|string|max:255'
+        ]);
+
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
+        $chapter = $chapterSlug ? $this->entityRepo->getBySlug('chapter', $chapterSlug, $bookSlug) : null;
+        $parent = $chapter ? $chapter : $book;
+        $this->checkOwnablePermission('page-create', $parent);
+
+        $page = $this->entityRepo->getDraftPage($book, $chapter);
+        $this->entityRepo->publishPageDraft($page, [
+            'name' => $request->get('name'),
+            'html' => ''
+        ]);
+        return redirect($page->getUrl('/edit'));
     }
 
     /**
      * Show form to continue editing a draft page.
-     * @param $bookSlug
-     * @param $pageId
+     * @param string $bookSlug
+     * @param int $pageId
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
     public function editDraft($bookSlug, $pageId)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $draft = $this->pageRepo->getById($pageId, true);
-        $this->checkOwnablePermission('page-create', $draft);
-        $this->setPageTitle('Edit Page Draft');
+        $draft = $this->entityRepo->getById('page', $pageId, true);
+        $this->checkOwnablePermission('page-create', $draft->book);
+        $this->setPageTitle(trans('entities.pages_edit_draft'));
 
-        return view('pages/create', ['draft' => $draft, 'book' => $book]);
+        $draftsEnabled = $this->signedIn;
+        return view('pages/edit', [
+            'page' => $draft,
+            'book' => $draft->book,
+            'isDraft' => true,
+            'draftsEnabled' => $draftsEnabled
+        ]);
     }
 
     /**
      * Store a new page by changing a draft into a page.
      * @param  Request $request
      * @param  string $bookSlug
+     * @param  int $pageId
      * @return Response
      */
     public function store(Request $request, $bookSlug, $pageId)
@@ -88,21 +119,21 @@ class PageController extends Controller
         ]);
 
         $input = $request->all();
-        $book = $this->bookRepo->getBySlug($bookSlug);
+        $book = $this->entityRepo->getBySlug('book', $bookSlug);
 
-        $draftPage = $this->pageRepo->getById($pageId, true);
+        $draftPage = $this->entityRepo->getById('page', $pageId, true);
 
-        $chapterId = $draftPage->chapter_id;
-        $parent = $chapterId !== 0 ? $this->chapterRepo->getById($chapterId) : $book;
+        $chapterId = intval($draftPage->chapter_id);
+        $parent = $chapterId !== 0 ? $this->entityRepo->getById('chapter', $chapterId) : $book;
         $this->checkOwnablePermission('page-create', $parent);
 
         if ($parent->isA('chapter')) {
-            $input['priority'] = $this->chapterRepo->getNewPriority($parent);
+            $input['priority'] = $this->entityRepo->getNewChapterPriority($parent);
         } else {
-            $input['priority'] = $this->bookRepo->getNewPriority($parent);
+            $input['priority'] = $this->entityRepo->getNewBookPriority($parent);
         }
 
-        $page = $this->pageRepo->publishDraft($draftPage, $input);
+        $page = $this->entityRepo->publishPageDraft($draftPage, $input);
 
         Activity::add($page, 'page_create', $book->id);
         return redirect($page->getUrl());
@@ -110,81 +141,92 @@ class PageController extends Controller
 
     /**
      * Display the specified page.
-     * If the page is not found via the slug the
-     * revisions are searched for a match.
-     * @param $bookSlug
-     * @param $pageSlug
+     * If the page is not found via the slug the revisions are searched for a match.
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return Response
      */
     public function show($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-
         try {
-            $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+            $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         } catch (NotFoundException $e) {
-            $page = $this->pageRepo->findPageUsingOldSlug($pageSlug, $bookSlug);
+            $page = $this->entityRepo->getPageByOldSlug($pageSlug, $bookSlug);
             if ($page === null) abort(404);
             return redirect($page->getUrl());
         }
 
-        $sidebarTree = $this->bookRepo->getChildren($book);
+        $this->checkOwnablePermission('page-view', $page);
+
+        $page->html = $this->entityRepo->renderPage($page);
+        $sidebarTree = $this->entityRepo->getBookChildren($page->book);
+        $pageNav = $this->entityRepo->getPageNav($page->html);
+        $page->load(['comments.createdBy']);
+
         Views::add($page);
         $this->setPageTitle($page->getShortName());
-        return view('pages/show', ['page' => $page, 'book' => $book, 'current' => $page, 'sidebarTree' => $sidebarTree]);
+        return view('pages/show', [
+            'page' => $page,'book' => $page->book,
+            'current' => $page, 'sidebarTree' => $sidebarTree,
+            'pageNav' => $pageNav]);
     }
 
     /**
      * Get page from an ajax request.
-     * @param $pageId
+     * @param int $pageId
      * @return \Illuminate\Http\JsonResponse
      */
     public function getPageAjax($pageId)
     {
-        $page = $this->pageRepo->getById($pageId);
+        $page = $this->entityRepo->getById('page', $pageId);
         return response()->json($page);
     }
 
     /**
      * Show the form for editing the specified page.
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return Response
      */
     public function edit($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         $this->checkOwnablePermission('page-update', $page);
-        $this->setPageTitle('Editing Page ' . $page->getShortName());
+        $this->setPageTitle(trans('entities.pages_editing_named', ['pageName'=>$page->getShortName()]));
         $page->isDraft = false;
 
         // Check for active editing
         $warnings = [];
-        if ($this->pageRepo->isPageEditingActive($page, 60)) {
-            $warnings[] = $this->pageRepo->getPageEditingActiveMessage($page, 60);
+        if ($this->entityRepo->isPageEditingActive($page, 60)) {
+            $warnings[] = $this->entityRepo->getPageEditingActiveMessage($page, 60);
         }
 
         // Check for a current draft version for this user
-        if ($this->pageRepo->hasUserGotPageDraft($page, $this->currentUser->id)) {
-            $draft = $this->pageRepo->getUserPageDraft($page, $this->currentUser->id);
+        if ($this->entityRepo->hasUserGotPageDraft($page, $this->currentUser->id)) {
+            $draft = $this->entityRepo->getUserPageDraft($page, $this->currentUser->id);
             $page->name = $draft->name;
             $page->html = $draft->html;
             $page->markdown = $draft->markdown;
             $page->isDraft = true;
-            $warnings [] = $this->pageRepo->getUserPageDraftMessage($draft);
+            $warnings [] = $this->entityRepo->getUserPageDraftMessage($draft);
         }
 
         if (count($warnings) > 0) session()->flash('warning', implode("\n", $warnings));
 
-        return view('pages/edit', ['page' => $page, 'book' => $book, 'current' => $page]);
+        $draftsEnabled = $this->signedIn;
+        return view('pages/edit', [
+            'page' => $page,
+            'book' => $page->book,
+            'current' => $page,
+            'draftsEnabled' => $draftsEnabled
+        ]);
     }
 
     /**
      * Update the specified page in storage.
      * @param  Request $request
-     * @param          $bookSlug
-     * @param          $pageSlug
+     * @param  string $bookSlug
+     * @param  string $pageSlug
      * @return Response
      */
     public function update(Request $request, $bookSlug, $pageSlug)
@@ -192,35 +234,38 @@ class PageController extends Controller
         $this->validate($request, [
             'name' => 'required|string|max:255'
         ]);
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         $this->checkOwnablePermission('page-update', $page);
-        $this->pageRepo->updatePage($page, $book->id, $request->all());
-        Activity::add($page, 'page_update', $book->id);
+        $this->entityRepo->updatePage($page, $page->book->id, $request->all());
+        Activity::add($page, 'page_update', $page->book->id);
         return redirect($page->getUrl());
     }
 
     /**
      * Save a draft update as a revision.
      * @param Request $request
-     * @param $pageId
+     * @param int $pageId
      * @return \Illuminate\Http\JsonResponse
      */
     public function saveDraft(Request $request, $pageId)
     {
-        $page = $this->pageRepo->getById($pageId, true);
+        $page = $this->entityRepo->getById('page', $pageId, true);
         $this->checkOwnablePermission('page-update', $page);
-        if ($page->draft) {
-            $draft = $this->pageRepo->updateDraftPage($page, $request->only(['name', 'html', 'markdown']));
-        } else {
-            $draft = $this->pageRepo->saveUpdateDraft($page, $request->only(['name', 'html', 'markdown']));
+
+        if (!$this->signedIn) {
+            return response()->json([
+                'status' => 'error',
+                'message' => trans('errors.guests_cannot_save_drafts'),
+            ], 500);
         }
 
+        $draft = $this->entityRepo->updatePageDraft($page, $request->only(['name', 'html', 'markdown']));
+
         $updateTime = $draft->updated_at->timestamp;
         $utcUpdateTimestamp = $updateTime + Carbon::createFromTimestamp(0)->offset;
         return response()->json([
-            'status' => 'success',
-            'message' => 'Draft saved at ',
+            'status'    => 'success',
+            'message'   => trans('entities.pages_edit_draft_save_at'),
             'timestamp' => $utcUpdateTimestamp
         ]);
     }
@@ -228,141 +273,175 @@ class PageController extends Controller
     /**
      * Redirect from a special link url which
      * uses the page id rather than the name.
-     * @param $pageId
+     * @param int $pageId
      * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
      */
     public function redirectFromLink($pageId)
     {
-        $page = $this->pageRepo->getById($pageId);
+        $page = $this->entityRepo->getById('page', $pageId);
         return redirect($page->getUrl());
     }
 
     /**
      * Show the deletion page for the specified page.
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return \Illuminate\View\View
      */
     public function showDelete($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         $this->checkOwnablePermission('page-delete', $page);
-        $this->setPageTitle('Delete Page ' . $page->getShortName());
-        return view('pages/delete', ['book' => $book, 'page' => $page, 'current' => $page]);
+        $this->setPageTitle(trans('entities.pages_delete_named', ['pageName'=>$page->getShortName()]));
+        return view('pages/delete', ['book' => $page->book, 'page' => $page, 'current' => $page]);
     }
 
 
     /**
      * Show the deletion page for the specified page.
-     * @param $bookSlug
-     * @param $pageId
+     * @param string $bookSlug
+     * @param int $pageId
      * @return \Illuminate\View\View
      * @throws NotFoundException
      */
     public function showDeleteDraft($bookSlug, $pageId)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getById($pageId, true);
+        $page = $this->entityRepo->getById('page', $pageId, true);
         $this->checkOwnablePermission('page-update', $page);
-        $this->setPageTitle('Delete Draft Page ' . $page->getShortName());
-        return view('pages/delete', ['book' => $book, 'page' => $page, 'current' => $page]);
+        $this->setPageTitle(trans('entities.pages_delete_draft_named', ['pageName'=>$page->getShortName()]));
+        return view('pages/delete', ['book' => $page->book, 'page' => $page, 'current' => $page]);
     }
 
     /**
      * Remove the specified page from storage.
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return Response
      * @internal param int $id
      */
     public function destroy($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $book = $page->book;
         $this->checkOwnablePermission('page-delete', $page);
         Activity::addMessage('page_delete', $book->id, $page->name);
-        session()->flash('success', 'Page deleted');
-        $this->pageRepo->destroy($page);
+        session()->flash('success', trans('entities.pages_delete_success'));
+        $this->entityRepo->destroyPage($page);
         return redirect($book->getUrl());
     }
 
     /**
      * Remove the specified draft page from storage.
-     * @param $bookSlug
-     * @param $pageId
+     * @param string $bookSlug
+     * @param int $pageId
      * @return Response
      * @throws NotFoundException
      */
     public function destroyDraft($bookSlug, $pageId)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getById($pageId, true);
+        $page = $this->entityRepo->getById('page', $pageId, true);
+        $book = $page->book;
         $this->checkOwnablePermission('page-update', $page);
-        session()->flash('success', 'Draft deleted');
-        $this->pageRepo->destroy($page);
+        session()->flash('success', trans('entities.pages_delete_draft_success'));
+        $this->entityRepo->destroyPage($page);
         return redirect($book->getUrl());
     }
 
     /**
      * Shows the last revisions for this page.
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return \Illuminate\View\View
      */
     public function showRevisions($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
-        $this->setPageTitle('Revisions For ' . $page->getShortName());
-        return view('pages/revisions', ['page' => $page, 'book' => $book, 'current' => $page]);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $this->setPageTitle(trans('entities.pages_revisions_named', ['pageName'=>$page->getShortName()]));
+        return view('pages/revisions', ['page' => $page, 'book' => $page->book, 'current' => $page]);
     }
 
     /**
      * Shows a preview of a single revision
-     * @param $bookSlug
-     * @param $pageSlug
-     * @param $revisionId
+     * @param string $bookSlug
+     * @param string $pageSlug
+     * @param int $revisionId
      * @return \Illuminate\View\View
      */
     public function showRevision($bookSlug, $pageSlug, $revisionId)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
-        $revision = $this->pageRepo->getRevisionById($revisionId);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $revision = $page->revisions()->where('id', '=', $revisionId)->first();
+        if ($revision === null) {
+            abort(404);
+        }
+
         $page->fill($revision->toArray());
-        $this->setPageTitle('Page Revision For ' . $page->getShortName());
-        return view('pages/revision', ['page' => $page, 'book' => $book]);
+        $this->setPageTitle(trans('entities.pages_revision_named', ['pageName' => $page->getShortName()]));
+
+        return view('pages/revision', [
+            'page' => $page,
+            'book' => $page->book,
+            'revision' => $revision
+        ]);
+    }
+
+    /**
+     * Shows the changes of a single revision
+     * @param string $bookSlug
+     * @param string $pageSlug
+     * @param int $revisionId
+     * @return \Illuminate\View\View
+     */
+    public function showRevisionChanges($bookSlug, $pageSlug, $revisionId)
+    {
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $revision = $page->revisions()->where('id', '=', $revisionId)->first();
+        if ($revision === null) {
+            abort(404);
+        }
+
+        $prev = $revision->getPrevious();
+        $prevContent = ($prev === null) ? '' : $prev->html;
+        $diff = (new Htmldiff)->diff($prevContent, $revision->html);
+
+        $page->fill($revision->toArray());
+        $this->setPageTitle(trans('entities.pages_revision_named', ['pageName'=>$page->getShortName()]));
+
+        return view('pages/revision', [
+            'page' => $page,
+            'book' => $page->book,
+            'diff' => $diff,
+            'revision' => $revision
+        ]);
     }
 
     /**
      * Restores a page using the content of the specified revision.
-     * @param $bookSlug
-     * @param $pageSlug
-     * @param $revisionId
+     * @param string $bookSlug
+     * @param string $pageSlug
+     * @param int $revisionId
      * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
      */
     public function restoreRevision($bookSlug, $pageSlug, $revisionId)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         $this->checkOwnablePermission('page-update', $page);
-        $page = $this->pageRepo->restoreRevision($page, $book, $revisionId);
-        Activity::add($page, 'page_restore', $book->id);
+        $page = $this->entityRepo->restorePageRevision($page, $page->book, $revisionId);
+        Activity::add($page, 'page_restore', $page->book->id);
         return redirect($page->getUrl());
     }
 
     /**
-     * Exports a page to pdf format using barryvdh/laravel-dompdf wrapper.
+     * Exports a page to a PDF.
      * https://github.com/barryvdh/laravel-dompdf
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return \Illuminate\Http\Response
      */
     public function exportPdf($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $page->html = $this->entityRepo->renderPage($page);
         $pdfContent = $this->exportService->pageToPdf($page);
         return response()->make($pdfContent, 200, [
             'Content-Type'        => 'application/octet-stream',
@@ -372,14 +451,14 @@ class PageController extends Controller
 
     /**
      * Export a page to a self-contained HTML file.
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return \Illuminate\Http\Response
      */
     public function exportHtml($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $page->html = $this->entityRepo->renderPage($page);
         $containedHtml = $this->exportService->pageToContainedHtml($page);
         return response()->make($containedHtml, 200, [
             'Content-Type'        => 'application/octet-stream',
@@ -389,14 +468,13 @@ class PageController extends Controller
 
     /**
      * Export a page to a simple plaintext .txt file.
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return \Illuminate\Http\Response
      */
     public function exportPlainText($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         $containedHtml = $this->exportService->pageToPlainText($page);
         return response()->make($containedHtml, 200, [
             'Content-Type'        => 'application/octet-stream',
@@ -410,9 +488,9 @@ class PageController extends Controller
      */
     public function showRecentlyCreated()
     {
-        $pages = $this->pageRepo->getRecentlyCreatedPaginated(20);
+        $pages = $this->entityRepo->getRecentlyCreatedPaginated('page', 20)->setPath(baseUrl('/pages/recently-created'));
         return view('pages/detailed-listing', [
-            'title' => 'Recently Created Pages',
+            'title' => trans('entities.recently_created_pages'),
             'pages' => $pages
         ]);
     }
@@ -423,23 +501,22 @@ class PageController extends Controller
      */
     public function showRecentlyUpdated()
     {
-        $pages = $this->pageRepo->getRecentlyUpdatedPaginated(20);
+        $pages = $this->entityRepo->getRecentlyUpdatedPaginated('page', 20)->setPath(baseUrl('/pages/recently-updated'));
         return view('pages/detailed-listing', [
-            'title' => 'Recently Updated Pages',
+            'title' => trans('entities.recently_updated_pages'),
             'pages' => $pages
         ]);
     }
 
     /**
      * Show the Restrictions view.
-     * @param $bookSlug
-     * @param $pageSlug
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
     public function showRestrict($bookSlug, $pageSlug)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         $this->checkOwnablePermission('restrictions-manage', $page);
         $roles = $this->userRepo->getRestrictableRoles();
         return view('pages/restrictions', [
@@ -449,19 +526,72 @@ class PageController extends Controller
     }
 
     /**
-     * Set the restrictions for this page.
-     * @param $bookSlug
-     * @param $pageSlug
+     * Show the view to choose a new parent to move a page into.
+     * @param string $bookSlug
+     * @param string $pageSlug
+     * @return mixed
+     * @throws NotFoundException
+     */
+    public function showMove($bookSlug, $pageSlug)
+    {
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $this->checkOwnablePermission('page-update', $page);
+        return view('pages/move', [
+            'book' => $page->book,
+            'page' => $page
+        ]);
+    }
+
+    /**
+     * Does the action of moving the location of a page
+     * @param string $bookSlug
+     * @param string $pageSlug
+     * @param Request $request
+     * @return mixed
+     * @throws NotFoundException
+     */
+    public function move($bookSlug, $pageSlug, Request $request)
+    {
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
+        $this->checkOwnablePermission('page-update', $page);
+
+        $entitySelection = $request->get('entity_selection', null);
+        if ($entitySelection === null || $entitySelection === '') {
+            return redirect($page->getUrl());
+        }
+
+        $stringExploded = explode(':', $entitySelection);
+        $entityType = $stringExploded[0];
+        $entityId = intval($stringExploded[1]);
+
+
+        try {
+            $parent = $this->entityRepo->getById($entityType, $entityId);
+        } catch (\Exception $e) {
+            session()->flash(trans('entities.selected_book_chapter_not_found'));
+            return redirect()->back();
+        }
+
+        $this->entityRepo->changePageParent($page, $parent);
+        Activity::add($page, 'page_move', $page->book->id);
+        session()->flash('success', trans('entities.pages_move_success', ['parentName' => $parent->name]));
+
+        return redirect($page->getUrl());
+    }
+
+    /**
+     * Set the permissions for this page.
+     * @param string $bookSlug
+     * @param string $pageSlug
      * @param Request $request
      * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
      */
     public function restrict($bookSlug, $pageSlug, Request $request)
     {
-        $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $page = $this->entityRepo->getBySlug('page', $pageSlug, $bookSlug);
         $this->checkOwnablePermission('restrictions-manage', $page);
-        $this->pageRepo->updateRestrictionsFromRequest($request, $page);
-        session()->flash('success', 'Page Restrictions Updated');
+        $this->entityRepo->updateEntityPermissionsFromRequest($request, $page);
+        session()->flash('success', trans('entities.pages_permissions_success'));
         return redirect($page->getUrl());
     }
 

app/Http/Controllers/PermissionController.php

@@ -3,7 +3,6 @@
 use BookStack\Exceptions\PermissionsException;
 use BookStack\Repos\PermissionsRepo;
 use Illuminate\Http\Request;
-use BookStack\Http\Requests;
 
 class PermissionController extends Controller
 {
@@ -54,7 +53,7 @@ class PermissionController extends Controller
         ]);
 
         $this->permissionsRepo->saveNewRole($request->all());
-        session()->flash('success', 'Role successfully created');
+        session()->flash('success', trans('settings.role_create_success'));
         return redirect('/settings/roles');
     }
 
@@ -62,11 +61,13 @@ class PermissionController extends Controller
      * Show the form for editing a user role.
      * @param $id
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
+     * @throws PermissionsException
      */
     public function editRole($id)
     {
         $this->checkPermission('user-roles-manage');
         $role = $this->permissionsRepo->getRoleById($id);
+        if ($role->hidden) throw new PermissionsException(trans('errors.role_cannot_be_edited'));
         return view('settings/roles/edit', ['role' => $role]);
     }
 
@@ -85,7 +86,7 @@ class PermissionController extends Controller
         ]);
 
         $this->permissionsRepo->updateRole($id, $request->all());
-        session()->flash('success', 'Role successfully updated');
+        session()->flash('success', trans('settings.role_update_success'));
         return redirect('/settings/roles');
     }
 
@@ -100,7 +101,7 @@ class PermissionController extends Controller
         $this->checkPermission('user-roles-manage');
         $role = $this->permissionsRepo->getRoleById($id);
         $roles = $this->permissionsRepo->getAllRolesExcept($role);
-        $blankRole = $role->newInstance(['display_name' => 'Don\'t migrate users']);
+        $blankRole = $role->newInstance(['display_name' => trans('settings.role_delete_no_migration')]);
         $roles->prepend($blankRole);
         return view('settings/roles/delete', ['role' => $role, 'roles' => $roles]);
     }
@@ -123,7 +124,7 @@ class PermissionController extends Controller
             return redirect()->back();
         }
 
-        session()->flash('success', 'Role successfully deleted');
+        session()->flash('success', trans('settings.role_delete_success'));
         return redirect('/settings/roles');
     }
 }

app/Http/Controllers/SearchController.php

@@ -1,32 +1,27 @@
-<?php
-
-namespace BookStack\Http\Controllers;
+<?php namespace BookStack\Http\Controllers;
 
+use BookStack\Repos\EntityRepo;
+use BookStack\Services\SearchService;
+use BookStack\Services\ViewService;
 use Illuminate\Http\Request;
 
-use BookStack\Http\Requests;
-use BookStack\Http\Controllers\Controller;
-use BookStack\Repos\BookRepo;
-use BookStack\Repos\ChapterRepo;
-use BookStack\Repos\PageRepo;
-
 class SearchController extends Controller
 {
-    protected $pageRepo;
-    protected $bookRepo;
-    protected $chapterRepo;
+    protected $entityRepo;
+    protected $viewService;
+    protected $searchService;
 
     /**
      * SearchController constructor.
-     * @param $pageRepo
-     * @param $bookRepo
-     * @param $chapterRepo
+     * @param EntityRepo $entityRepo
+     * @param ViewService $viewService
+     * @param SearchService $searchService
      */
-    public function __construct(PageRepo $pageRepo, BookRepo $bookRepo, ChapterRepo $chapterRepo)
+    public function __construct(EntityRepo $entityRepo, ViewService $viewService, SearchService $searchService)
     {
-        $this->pageRepo = $pageRepo;
-        $this->bookRepo = $bookRepo;
-        $this->chapterRepo = $chapterRepo;
+        $this->entityRepo = $entityRepo;
+        $this->viewService = $viewService;
+        $this->searchService = $searchService;
         parent::__construct();
     }
 
@@ -36,84 +31,26 @@ class SearchController extends Controller
      * @return \Illuminate\View\View
      * @internal param string $searchTerm
      */
-    public function searchAll(Request $request)
+    public function search(Request $request)
     {
-        if (!$request->has('term')) {
-            return redirect()->back();
-        }
         $searchTerm = $request->get('term');
-        $paginationAppends = $request->only('term');
-        $pages = $this->pageRepo->getBySearch($searchTerm, [], 20, $paginationAppends);
-        $books = $this->bookRepo->getBySearch($searchTerm, 10, $paginationAppends);
-        $chapters = $this->chapterRepo->getBySearch($searchTerm, [], 10, $paginationAppends);
-        $this->setPageTitle('Search For ' . $searchTerm);
+        $this->setPageTitle(trans('entities.search_for_term', ['term' => $searchTerm]));
+
+        $page = $request->has('page') && is_int(intval($request->get('page'))) ? intval($request->get('page')) : 1;
+        $nextPageLink = baseUrl('/search?term=' . urlencode($searchTerm) . '&page=' . ($page+1));
+
+        $results = $this->searchService->searchEntities($searchTerm, 'all', $page, 20);
+        $hasNextPage = $this->searchService->searchEntities($searchTerm, 'all', $page+1, 20)['count'] > 0;
+
         return view('search/all', [
-            'pages' => $pages,
-            'books' => $books,
-            'chapters' => $chapters,
-            'searchTerm' => $searchTerm
+            'entities'   => $results['results'],
+            'totalResults' => $results['total'],
+            'searchTerm' => $searchTerm,
+            'hasNextPage' => $hasNextPage,
+            'nextPageLink' => $nextPageLink
         ]);
     }
 
-    /**
-     * Search only the pages in the system.
-     * @param Request $request
-     * @return \Illuminate\Http\RedirectResponse|\Illuminate\View\View
-     */
-    public function searchPages(Request $request)
-    {
-        if (!$request->has('term')) return redirect()->back();
-
-        $searchTerm = $request->get('term');
-        $paginationAppends = $request->only('term');
-        $pages = $this->pageRepo->getBySearch($searchTerm, [], 20, $paginationAppends);
-        $this->setPageTitle('Page Search For ' . $searchTerm);
-        return view('search/entity-search-list', [
-            'entities' => $pages,
-            'title' => 'Page Search Results',
-            'searchTerm' => $searchTerm
-        ]);
-    }
-
-    /**
-     * Search only the chapters in the system.
-     * @param Request $request
-     * @return \Illuminate\Http\RedirectResponse|\Illuminate\View\View
-     */
-    public function searchChapters(Request $request)
-    {
-        if (!$request->has('term')) return redirect()->back();
-
-        $searchTerm = $request->get('term');
-        $paginationAppends = $request->only('term');
-        $chapters = $this->chapterRepo->getBySearch($searchTerm, [], 20, $paginationAppends);
-        $this->setPageTitle('Chapter Search For ' . $searchTerm);
-        return view('search/entity-search-list', [
-            'entities' => $chapters,
-            'title' => 'Chapter Search Results',
-            'searchTerm' => $searchTerm
-        ]);
-    }
-
-    /**
-     * Search only the books in the system.
-     * @param Request $request
-     * @return \Illuminate\Http\RedirectResponse|\Illuminate\View\View
-     */
-    public function searchBooks(Request $request)
-    {
-        if (!$request->has('term')) return redirect()->back();
-
-        $searchTerm = $request->get('term');
-        $paginationAppends = $request->only('term');
-        $books = $this->bookRepo->getBySearch($searchTerm, 20, $paginationAppends);
-        $this->setPageTitle('Book Search For ' . $searchTerm);
-        return view('search/entity-search-list', [
-            'entities' => $books,
-            'title' => 'Book Search Results',
-            'searchTerm' => $searchTerm
-        ]);
-    }
 
     /**
      * Searches all entities within a book.
@@ -124,14 +61,50 @@ class SearchController extends Controller
      */
     public function searchBook(Request $request, $bookId)
     {
-        if (!$request->has('term')) {
-            return redirect()->back();
+        $term = $request->get('term', '');
+        $results = $this->searchService->searchBook($bookId, $term);
+        return view('partials/entity-list', ['entities' => $results]);
+    }
+
+    /**
+     * Searches all entities within a chapter.
+     * @param Request $request
+     * @param integer $chapterId
+     * @return \Illuminate\View\View
+     * @internal param string $searchTerm
+     */
+    public function searchChapter(Request $request, $chapterId)
+    {
+        $term = $request->get('term', '');
+        $results = $this->searchService->searchChapter($chapterId, $term);
+        return view('partials/entity-list', ['entities' => $results]);
+    }
+
+    /**
+     * Search for a list of entities and return a partial HTML response of matching entities.
+     * Returns the most popular entities if no search is provided.
+     * @param Request $request
+     * @return mixed
+     */
+    public function searchEntitiesAjax(Request $request)
+    {
+        $entityTypes = $request->has('types') ? collect(explode(',', $request->get('types'))) : collect(['page', 'chapter', 'book']);
+        $searchTerm = ($request->has('term') && trim($request->get('term')) !== '') ? $request->get('term') : false;
+
+        // Search for entities otherwise show most popular
+        if ($searchTerm !== false) {
+            $searchTerm .= ' {type:'. implode('|', $entityTypes->toArray()) .'}';
+            $entities = $this->searchService->searchEntities($searchTerm)['results'];
+        } else {
+            $entityNames = $entityTypes->map(function ($type) {
+                return 'BookStack\\' . ucfirst($type);
+            })->toArray();
+            $entities = $this->viewService->getPopular(20, 0, $entityNames);
         }
-        $searchTerm = $request->get('term');
-        $searchWhereTerms = [['book_id', '=', $bookId]];
-        $pages = $this->pageRepo->getBySearch($searchTerm, $searchWhereTerms);
-        $chapters = $this->chapterRepo->getBySearch($searchTerm, $searchWhereTerms);
-        return view('search/book', ['pages' => $pages, 'chapters' => $chapters, 'searchTerm' => $searchTerm]);
+
+        return view('search/entity-ajax-list', ['entities' => $entities]);
     }
 
 }
+
+

app/Http/Controllers/SettingController.php

@@ -1,8 +1,7 @@
 <?php namespace BookStack\Http\Controllers;
 
 use Illuminate\Http\Request;
-
-use BookStack\Http\Requests;
+use Illuminate\Http\Response;
 use Setting;
 
 class SettingController extends Controller
@@ -15,7 +14,11 @@ class SettingController extends Controller
     {
         $this->checkPermission('settings-manage');
         $this->setPageTitle('Settings');
-        return view('settings/index');
+
+        // Get application version
+        $version = trim(file_get_contents(base_path('version')));
+
+        return view('settings/index', ['version' => $version]);
     }
 
     /**
@@ -35,7 +38,7 @@ class SettingController extends Controller
             Setting::put($key, $value);
         }
 
-        session()->flash('success', 'Settings Saved');
+        session()->flash('success', trans('settings.settings_save_success'));
         return redirect('/settings');
     }
 

app/Http/Controllers/TagController.php

@@ -0,0 +1,58 @@
+<?php namespace BookStack\Http\Controllers;
+
+use BookStack\Repos\TagRepo;
+use Illuminate\Http\Request;
+
+class TagController extends Controller
+{
+
+    protected $tagRepo;
+
+    /**
+     * TagController constructor.
+     * @param $tagRepo
+     */
+    public function __construct(TagRepo $tagRepo)
+    {
+        $this->tagRepo = $tagRepo;
+        parent::__construct();
+    }
+
+    /**
+     * Get all the Tags for a particular entity
+     * @param $entityType
+     * @param $entityId
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function getForEntity($entityType, $entityId)
+    {
+        $tags = $this->tagRepo->getForEntity($entityType, $entityId);
+        return response()->json($tags);
+    }
+
+    /**
+     * Get tag name suggestions from a given search term.
+     * @param Request $request
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function getNameSuggestions(Request $request)
+    {
+        $searchTerm = $request->has('search') ? $request->get('search') : false;
+        $suggestions = $this->tagRepo->getNameSuggestions($searchTerm);
+        return response()->json($suggestions);
+    }
+
+    /**
+     * Get tag value suggestions from a given search term.
+     * @param Request $request
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function getValueSuggestions(Request $request)
+    {
+        $searchTerm = $request->has('search') ? $request->get('search') : false;
+        $tagName = $request->has('name') ? $request->get('name') : false;
+        $suggestions = $this->tagRepo->getValueSuggestions($searchTerm, $tagName);
+        return response()->json($suggestions);
+    }
+
+}

app/Http/Controllers/UserController.php

@@ -1,12 +1,8 @@
-<?php
+<?php namespace BookStack\Http\Controllers;
 
-namespace BookStack\Http\Controllers;
-
-use BookStack\Activity;
+use Exception;
 use Illuminate\Http\Request;
-
 use Illuminate\Http\Response;
-use BookStack\Http\Requests;
 use BookStack\Repos\UserRepo;
 use BookStack\Services\SocialAuthService;
 use BookStack\User;
@@ -31,14 +27,21 @@ class UserController extends Controller
 
     /**
      * Display a listing of the users.
+     * @param Request $request
      * @return Response
      */
-    public function index()
+    public function index(Request $request)
     {
         $this->checkPermission('users-manage');
-        $users = $this->userRepo->getAllUsers();
-        $this->setPageTitle('Users');
-        return view('users/index', ['users' => $users]);
+        $listDetails = [
+            'order' => $request->has('order') ? $request->get('order') : 'asc',
+            'search' => $request->has('search') ? $request->get('search') : '',
+            'sort' => $request->has('sort') ? $request->get('sort') : 'name',
+        ];
+        $users = $this->userRepo->getAllUsersPaginatedAndSorted(20, $listDetails);
+        $this->setPageTitle(trans('settings.users'));
+        $users->appends($listDetails);
+        return view('users/index', ['users' => $users, 'listDetails' => $listDetails]);
     }
 
     /**
@@ -49,7 +52,8 @@ class UserController extends Controller
     {
         $this->checkPermission('users-manage');
         $authMethod = config('auth.method');
-        return view('users/create', ['authMethod' => $authMethod]);
+        $roles = $this->userRepo->getAllRoles();
+        return view('users/create', ['authMethod' => $authMethod, 'roles' => $roles]);
     }
 
     /**
@@ -74,7 +78,6 @@ class UserController extends Controller
         }
         $this->validate($request, $validationRules);
 
-
         $user = $this->user->fill($request->all());
 
         if ($authMethod === 'standard') {
@@ -92,9 +95,14 @@ class UserController extends Controller
 
         // Get avatar from gravatar and save
         if (!config('services.disable_services')) {
-            $avatar = \Images::saveUserGravatar($user);
-            $user->avatar()->associate($avatar);
-            $user->save();
+            try {
+                $avatar = \Images::saveUserGravatar($user);
+                $user->avatar()->associate($avatar);
+                $user->save();
+            } catch (Exception $e) {
+                \Log::error('Failed to save user gravatar image');
+            }
+
         }
 
         return redirect('/settings/users');
@@ -112,12 +120,14 @@ class UserController extends Controller
             return $this->currentUser->id == $id;
         });
 
-        $authMethod = config('auth.method');
-
         $user = $this->user->findOrFail($id);
+
+        $authMethod = ($user->system_name) ? 'system' : config('auth.method');
+
         $activeSocialDrivers = $socialAuthService->getActiveDrivers();
-        $this->setPageTitle('User Profile');
-        return view('users/edit', ['user' => $user, 'activeSocialDrivers' => $activeSocialDrivers, 'authMethod' => $authMethod]);
+        $this->setPageTitle(trans('settings.user_profile'));
+        $roles = $this->userRepo->getAllRoles();
+        return view('users/edit', ['user' => $user, 'activeSocialDrivers' => $activeSocialDrivers, 'authMethod' => $authMethod, 'roles' => $roles]);
     }
 
     /**
@@ -137,9 +147,8 @@ class UserController extends Controller
             'name'             => 'min:2',
             'email'            => 'min:2|email|unique:users,email,' . $id,
             'password'         => 'min:5|required_with:password_confirm',
-            'password-confirm' => 'same:password|required_with:password'
-        ], [
-            'password-confirm.required_with' => 'Password confirmation required'
+            'password-confirm' => 'same:password|required_with:password',
+            'setting'          => 'array'
         ]);
 
         $user = $this->user->findOrFail($id);
@@ -162,8 +171,15 @@ class UserController extends Controller
             $user->external_auth_id = $request->get('external_auth_id');
         }
 
+        // Save an user-specific settings
+        if ($request->has('setting')) {
+            foreach ($request->get('setting') as $key => $value) {
+                setting()->putUser($user, $key, $value);
+            }
+        }
+
         $user->save();
-        session()->flash('success', 'User successfully updated');
+        session()->flash('success', trans('settings.users_edit_success'));
 
         $redirectUrl = userCan('users-manage') ? '/settings/users' : '/settings/users/' . $user->id;
         return redirect($redirectUrl);
@@ -171,7 +187,7 @@ class UserController extends Controller
 
     /**
      * Show the user delete page.
-     * @param $id
+     * @param int $id
      * @return \Illuminate\View\View
      */
     public function delete($id)
@@ -181,7 +197,7 @@ class UserController extends Controller
         });
 
         $user = $this->user->findOrFail($id);
-        $this->setPageTitle('Delete User ' . $user->name);
+        $this->setPageTitle(trans('settings.users_delete_named', ['userName' => $user->name]));
         return view('users/delete', ['user' => $user]);
     }
 
@@ -198,11 +214,19 @@ class UserController extends Controller
         });
 
         $user = $this->userRepo->getById($id);
+
         if ($this->userRepo->isOnlyAdmin($user)) {
-            session()->flash('error', 'You cannot delete the only admin');
+            session()->flash('error', trans('errors.users_cannot_delete_only_admin'));
             return redirect($user->getEditUrl());
         }
+
+        if ($user->system_name === 'public') {
+            session()->flash('error', trans('errors.users_cannot_delete_guest'));
+            return redirect($user->getEditUrl());
+        }
+
         $this->userRepo->destroy($user);
+        session()->flash('success', trans('settings.users_delete_success'));
 
         return redirect('/settings/users');
     }

app/Http/Kernel.php

@@ -1,6 +1,4 @@
-<?php
-
-namespace BookStack\Http;
+<?php namespace BookStack\Http;
 
 use Illuminate\Foundation\Http\Kernel as HttpKernel;
 
@@ -9,15 +7,35 @@ class Kernel extends HttpKernel
     /**
      * The application's global HTTP middleware stack.
      *
+     * These middleware are run during every request to your application.
+     *
      * @var array
      */
     protected $middleware = [
         \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
-        \BookStack\Http\Middleware\EncryptCookies::class,
-        \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
-        \Illuminate\Session\Middleware\StartSession::class,
-        \Illuminate\View\Middleware\ShareErrorsFromSession::class,
-        \BookStack\Http\Middleware\VerifyCsrfToken::class,
+        \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
+        \BookStack\Http\Middleware\TrimStrings::class,
+    ];
+
+    /**
+     * The application's route middleware groups.
+     *
+     * @var array
+     */
+    protected $middlewareGroups = [
+        'web' => [
+            \BookStack\Http\Middleware\EncryptCookies::class,
+            \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
+            \Illuminate\Session\Middleware\StartSession::class,
+            \Illuminate\View\Middleware\ShareErrorsFromSession::class,
+            \BookStack\Http\Middleware\VerifyCsrfToken::class,
+            \Illuminate\Routing\Middleware\SubstituteBindings::class,
+            \BookStack\Http\Middleware\Localization::class
+        ],
+        'api' => [
+            'throttle:60,1',
+            'bindings',
+        ],
     ];
 
     /**
@@ -26,6 +44,7 @@ class Kernel extends HttpKernel
      * @var array
      */
     protected $routeMiddleware = [
+        'can'        => \Illuminate\Auth\Middleware\Authorize::class,
         'auth'       => \BookStack\Http\Middleware\Authenticate::class,
         'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
         'guest'      => \BookStack\Http\Middleware\RedirectIfAuthenticated::class,

app/Http/Middleware/Authenticate.php

@@ -4,8 +4,6 @@ namespace BookStack\Http\Middleware;
 
 use Closure;
 use Illuminate\Contracts\Auth\Guard;
-use BookStack\Exceptions\UserRegistrationException;
-use Setting;
 
 class Authenticate
 {
@@ -33,14 +31,14 @@ class Authenticate
     public function handle($request, Closure $next)
     {
         if ($this->auth->check() && setting('registration-confirmation') && !$this->auth->user()->email_confirmed) {
-            return redirect()->guest('/register/confirm/awaiting');
+            return redirect(baseUrl('/register/confirm/awaiting'));
         }
 
         if ($this->auth->guest() && !setting('app-public')) {
             if ($request->ajax()) {
                 return response('Unauthorized.', 401);
             } else {
-                return redirect()->guest('/login');
+                return redirect()->guest(baseUrl('/login'));
             }
         }
 

app/Http/Middleware/Localization.php

@@ -0,0 +1,33 @@
+<?php namespace BookStack\Http\Middleware;
+
+use Carbon\Carbon;
+use Closure;
+
+class Localization
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $defaultLang = config('app.locale');
+        if (user()->isDefault()) {
+            $locale = $defaultLang;
+            $availableLocales = config('app.locales');
+            foreach ($request->getLanguages() as $lang) {
+                if (!in_array($lang, $availableLocales)) continue;
+                $locale = $lang;
+                break;
+            }
+        } else {
+            $locale = setting()->getUser(user(), 'language', $defaultLang);
+        }
+        app()->setLocale($locale);
+        Carbon::setLocale($locale);
+        return $next($request);
+    }
+}

app/Http/Middleware/RedirectIfAuthenticated.php

@@ -1,6 +1,4 @@
-<?php
-
-namespace BookStack\Http\Middleware;
+<?php namespace BookStack\Http\Middleware;
 
 use Closure;
 use Illuminate\Contracts\Auth\Guard;
@@ -34,7 +32,8 @@ class RedirectIfAuthenticated
      */
     public function handle($request, Closure $next)
     {
-        if ($this->auth->check()) {
+        $requireConfirmation = setting('registration-confirmation');
+        if ($this->auth->check() && (!$requireConfirmation || ($requireConfirmation && $this->auth->user()->email_confirmed))) {
             return redirect('/');
         }
 

app/Http/Middleware/TrimStrings.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace BookStack\Http\Middleware;
+
+use Illuminate\Foundation\Http\Middleware\TrimStrings as BaseTrimmer;
+
+class TrimStrings extends BaseTrimmer
+{
+    /**
+     * The names of the attributes that should not be trimmed.
+     *
+     * @var array
+     */
+    protected $except = [
+        'password',
+        'password_confirmation',
+        'password-confirm',
+    ];
+}

app/Jobs/Job.php

@@ -1,21 +0,0 @@
-<?php
-
-namespace BookStack\Jobs;
-
-use Illuminate\Bus\Queueable;
-
-abstract class Job
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Queueable Jobs
-    |--------------------------------------------------------------------------
-    |
-    | This job base class provides a central location to place any logic that
-    | is shared across all of your jobs. The trait included with the class
-    | provides access to the "queueOn" and "delay" queue helper methods.
-    |
-    */
-
-    use Queueable;
-}

app/JointPermission.php

@@ -0,0 +1,24 @@
+<?php namespace BookStack;
+
+class JointPermission extends Model
+{
+    public $timestamps = false;
+
+    /**
+     * Get the role that this points to.
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function role()
+    {
+        return $this->belongsTo(Role::class);
+    }
+
+    /**
+     * Get the entity this points to.
+     * @return \Illuminate\Database\Eloquent\Relations\MorphOne
+     */
+    public function entity()
+    {
+        return $this->morphOne(Entity::class, 'entity');
+    }
+}

app/Model.php

@@ -0,0 +1,19 @@
+<?php namespace BookStack;
+
+use Illuminate\Database\Eloquent\Model as EloquentModel;
+
+class Model extends EloquentModel
+{
+
+    /**
+     * Provides public access to get the raw attribute value from the model.
+     * Used in areas where no mutations are required but performance is critical.
+     * @param $key
+     * @return mixed
+     */
+    public function getRawAttribute($key)
+    {
+        return parent::getAttributeFromArray($key);
+    }
+
+}

app/Notifications/ConfirmEmail.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace BookStack\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Notification;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+
+class ConfirmEmail extends Notification implements ShouldQueue
+{
+
+    use Queueable;
+    
+    public $token;
+
+    /**
+     * Create a new notification instance.
+     * @param string $token
+     */
+    public function __construct($token)
+    {
+        $this->token = $token;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @param  mixed  $notifiable
+     * @return array
+     */
+    public function via($notifiable)
+    {
+        return ['mail'];
+    }
+
+    /**
+     * Get the mail representation of the notification.
+     *
+     * @param  mixed  $notifiable
+     * @return \Illuminate\Notifications\Messages\MailMessage
+     */
+    public function toMail($notifiable)
+    {
+        $appName = ['appName' => setting('app-name')];
+        return (new MailMessage)
+                    ->subject(trans('auth.email_confirm_subject', $appName))
+                    ->greeting(trans('auth.email_confirm_greeting', $appName))
+                    ->line(trans('auth.email_confirm_text'))
+                    ->action(trans('auth.email_confirm_action'), baseUrl('/register/confirm/' . $this->token));
+    }
+
+}

app/Notifications/ResetPassword.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace BookStack\Notifications;
+
+use Illuminate\Notifications\Notification;
+use Illuminate\Notifications\Messages\MailMessage;
+
+class ResetPassword extends Notification
+{
+    /**
+     * The password reset token.
+     *
+     * @var string
+     */
+    public $token;
+
+    /**
+     * Create a notification instance.
+     *
+     * @param  string  $token
+     */
+    public function __construct($token)
+    {
+        $this->token = $token;
+    }
+
+    /**
+     * Get the notification's channels.
+     *
+     * @param  mixed  $notifiable
+     * @return array|string
+     */
+    public function via($notifiable)
+    {
+        return ['mail'];
+    }
+
+    /**
+     * Build the mail representation of the notification.
+     *
+     * @return \Illuminate\Notifications\Messages\MailMessage
+     */
+    public function toMail()
+    {
+        return (new MailMessage)
+            ->subject(trans('auth.email_reset_subject', ['appName' => setting('app-name')]))
+            ->line(trans('auth.email_reset_text'))
+            ->action(trans('auth.reset_password'), baseUrl('password/reset/' . $this->token))
+            ->line(trans('auth.email_reset_not_requested'));
+    }
+}

app/Ownable.php

@@ -1,6 +1,5 @@
 <?php namespace BookStack;
 
-use Illuminate\Database\Eloquent\Model;
 
 abstract class Ownable extends Model
 {
@@ -10,7 +9,7 @@ abstract class Ownable extends Model
      */
     public function createdBy()
     {
-        return $this->belongsTo('BookStack\User', 'created_by');
+        return $this->belongsTo(User::class, 'created_by');
     }
 
     /**
@@ -19,7 +18,7 @@ abstract class Ownable extends Model
      */
     public function updatedBy()
     {
-        return $this->belongsTo('BookStack\User', 'updated_by');
+        return $this->belongsTo(User::class, 'updated_by');
     }
 
     /**

app/Page.php

@@ -1,8 +1,5 @@
-<?php
+<?php namespace BookStack;
 
-namespace BookStack;
-
-use Illuminate\Database\Eloquent\Model;
 
 class Page extends Entity
 {
@@ -10,6 +7,13 @@ class Page extends Entity
 
     protected $simpleAttributes = ['name', 'id', 'slug'];
 
+    protected $with = ['book'];
+    public $textField = 'text';
+
+    /**
+     * Converts this page into a simplified array.
+     * @return mixed
+     */
     public function toSimpleArray()
     {
         $array = array_intersect_key($this->toArray(), array_flip($this->simpleAttributes));
@@ -17,38 +21,88 @@ class Page extends Entity
         return $array;
     }
 
+    /**
+     * Get the book this page sits in.
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
     public function book()
     {
-        return $this->belongsTo('BookStack\Book');
+        return $this->belongsTo(Book::class);
     }
 
+    /**
+     * Get the chapter that this page is in, If applicable.
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
     public function chapter()
     {
-        return $this->belongsTo('BookStack\Chapter');
+        return $this->belongsTo(Chapter::class);
     }
 
+    /**
+     * Check if this page has a chapter.
+     * @return bool
+     */
     public function hasChapter()
     {
         return $this->chapter()->count() > 0;
     }
 
+    /**
+     * Get the associated page revisions, ordered by created date.
+     * @return mixed
+     */
     public function revisions()
     {
-        return $this->hasMany('BookStack\PageRevision')->where('type', '=', 'version')->orderBy('created_at', 'desc');
+        return $this->hasMany(PageRevision::class)->where('type', '=', 'version')->orderBy('created_at', 'desc');
     }
 
-    public function getUrl()
+    /**
+     * Get the attachments assigned to this page.
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function attachments()
+    {
+        return $this->hasMany(Attachment::class, 'uploaded_to')->orderBy('order', 'asc');
+    }
+
+    /**
+     * Get the url for this page.
+     * @param string|bool $path
+     * @return string
+     */
+    public function getUrl($path = false)
     {
         $bookSlug = $this->getAttribute('bookSlug') ? $this->getAttribute('bookSlug') : $this->book->slug;
         $midText = $this->draft ? '/draft/' : '/page/';
-        $idComponent = $this->draft ? $this->id : $this->slug;
-        return '/books/' . $bookSlug . $midText . $idComponent;
+        $idComponent = $this->draft ? $this->id : urlencode($this->slug);
+
+        if ($path !== false) {
+            return baseUrl('/books/' . urlencode($bookSlug) . $midText . $idComponent . '/' . trim($path, '/'));
+        }
+
+        return baseUrl('/books/' . urlencode($bookSlug) . $midText . $idComponent);
     }
 
+    /**
+     * Get an excerpt of this page's content to the specified length.
+     * @param int $length
+     * @return mixed
+     */
     public function getExcerpt($length = 100)
     {
         $text = strlen($this->text) > $length ? substr($this->text, 0, $length-3) . '...' : $this->text;
         return mb_convert_encoding($text, 'UTF-8');
     }
 
+    /**
+     * Return a generalised, common raw query that can be 'unioned' across entities.
+     * @param bool $withContent
+     * @return string
+     */
+    public function entityRawQuery($withContent = false)
+    {   $htmlQuery = $withContent ? 'html' : "'' as html";
+        return "'BookStack\\\\Page' as entity_type, id, id as entity_id, slug, name, {$this->textField} as text, {$htmlQuery}, book_id, priority, chapter_id, draft, created_by, updated_by, updated_at, created_at";
+    }
+
 }

app/PageRevision.php

@@ -1,10 +1,9 @@
 <?php namespace BookStack;
 
-use Illuminate\Database\Eloquent\Model;
 
 class PageRevision extends Model
 {
-    protected $fillable = ['name', 'html', 'text', 'markdown'];
+    protected $fillable = ['name', 'html', 'text', 'markdown', 'summary'];
 
     /**
      * Get the user that created the page revision
@@ -12,7 +11,7 @@ class PageRevision extends Model
      */
     public function createdBy()
     {
-        return $this->belongsTo('BookStack\User', 'created_by');
+        return $this->belongsTo(User::class, 'created_by');
     }
 
     /**
@@ -21,16 +20,43 @@ class PageRevision extends Model
      */
     public function page()
     {
-        return $this->belongsTo('BookStack\Page');
+        return $this->belongsTo(Page::class);
     }
 
     /**
      * Get the url for this revision.
+     * @param null|string $path
      * @return string
      */
-    public function getUrl()
+    public function getUrl($path = null)
     {
-        return $this->page->getUrl() . '/revisions/' . $this->id;
+        $url = $this->page->getUrl() . '/revisions/' . $this->id;
+        if ($path) return $url . '/' . trim($path, '/');
+        return $url;
+    }
+
+    /**
+     * Get the previous revision for the same page if existing
+     * @return \BookStack\PageRevision|null
+     */
+    public function getPrevious()
+    {
+        if ($id = static::where('page_id', '=', $this->page_id)->where('id', '<', $this->id)->max('id')) {
+            return static::find($id);
+        }
+        return null;
+    }
+
+    /**
+     * Allows checking of the exact class, Used to check entity type.
+     * Included here to align with entities in similar use cases.
+     * (Yup, Bit of an awkward hack)
+     * @param $type
+     * @return bool
+     */
+    public static function isA($type)
+    {
+        return $type === 'revision';
     }
 
 }

app/Providers/AppServiceProvider.php

@@ -1,10 +1,9 @@
-<?php
+<?php namespace BookStack\Providers;
 
-namespace BookStack\Providers;
-
-use Illuminate\Support\Facades\Auth;
+use BookStack\Services\SettingService;
+use BookStack\Setting;
 use Illuminate\Support\ServiceProvider;
-use BookStack\User;
+use Validator;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -15,7 +14,18 @@ class AppServiceProvider extends ServiceProvider
      */
     public function boot()
     {
-        //
+        // Custom validation methods
+        Validator::extend('is_image', function($attribute, $value, $parameters, $validator) {
+            $imageMimes = ['image/png', 'image/bmp', 'image/gif', 'image/jpeg', 'image/jpg', 'image/tiff', 'image/webp'];
+            return in_array($value->getMimeType(), $imageMimes);
+        });
+
+        \Blade::directive('icon', function($expression) {
+            return "<?php echo icon($expression); ?>";
+        });
+
+        // Allow longer string lengths after upgrade to utf8mb4
+        \Schema::defaultStringLength(191);
     }
 
     /**
@@ -25,6 +35,8 @@ class AppServiceProvider extends ServiceProvider
      */
     public function register()
     {
-        //
+        $this->app->singleton(SettingService::class, function($app) {
+            return new SettingService($app->make(Setting::class), $app->make('Illuminate\Contracts\Cache\Repository'));
+        });
     }
 }

app/Providers/AuthServiceProvider.php

@@ -3,6 +3,7 @@
 namespace BookStack\Providers;
 
 use Auth;
+use BookStack\Services\LdapService;
 use Illuminate\Support\ServiceProvider;
 
 class AuthServiceProvider extends ServiceProvider
@@ -25,7 +26,7 @@ class AuthServiceProvider extends ServiceProvider
     public function register()
     {
         Auth::provider('ldap', function($app, array $config) {
-            return new LdapUserProvider($config['model'], $app['BookStack\Services\LdapService']);
+            return new LdapUserProvider($config['model'], $app[LdapService::class]);
         });
     }
 }

app/Providers/BroadcastServiceProvider.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace BookStack\Providers;
+
+use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\Facades\Broadcast;
+
+class BroadcastServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+//        Broadcast::routes();
+//
+//        /*
+//         * Authenticate the user's personal channel...
+//         */
+//        Broadcast::channel('BookStack.User.*', function ($user, $userId) {
+//            return (int) $user->id === (int) $userId;
+//        });
+    }
+}

app/Providers/CustomFacadeProvider.php

@@ -2,11 +2,18 @@
 
 namespace BookStack\Providers;
 
+use BookStack\Activity;
 use BookStack\Services\ImageService;
+use BookStack\Services\PermissionService;
 use BookStack\Services\ViewService;
+use BookStack\Setting;
+use BookStack\View;
+use Illuminate\Contracts\Cache\Repository;
+use Illuminate\Contracts\Filesystem\Factory;
 use Illuminate\Support\ServiceProvider;
 use BookStack\Services\ActivityService;
 use BookStack\Services\SettingService;
+use Intervention\Image\ImageManager;
 
 class CustomFacadeProvider extends ServiceProvider
 {
@@ -29,30 +36,30 @@ class CustomFacadeProvider extends ServiceProvider
     {
         $this->app->bind('activity', function() {
             return new ActivityService(
-                $this->app->make('BookStack\Activity'),
-                $this->app->make('BookStack\Services\RestrictionService')
+                $this->app->make(Activity::class),
+                $this->app->make(PermissionService::class)
             );
         });
 
         $this->app->bind('views', function() {
             return new ViewService(
-                $this->app->make('BookStack\View'),
-                $this->app->make('BookStack\Services\RestrictionService')
+                $this->app->make(View::class),
+                $this->app->make(PermissionService::class)
             );
         });
 
         $this->app->bind('setting', function() {
             return new SettingService(
-                $this->app->make('BookStack\Setting'),
-                $this->app->make('Illuminate\Contracts\Cache\Repository')
+                $this->app->make(Setting::class),
+                $this->app->make(Repository::class)
             );
         });
 
         $this->app->bind('images', function() {
             return new ImageService(
-                $this->app->make('Intervention\Image\ImageManager'),
-                $this->app->make('Illuminate\Contracts\Filesystem\Factory'),
-                $this->app->make('Illuminate\Contracts\Cache\Repository')
+                $this->app->make(ImageManager::class),
+                $this->app->make(Factory::class),
+                $this->app->make(Repository::class)
             );
         });
     }

app/Providers/EventServiceProvider.php

@@ -4,6 +4,7 @@ namespace BookStack\Providers;
 
 use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
 use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
+use SocialiteProviders\Manager\SocialiteWasCalled;
 
 class EventServiceProvider extends ServiceProvider
 {
@@ -13,21 +14,19 @@ class EventServiceProvider extends ServiceProvider
      * @var array
      */
     protected $listen = [
-        'BookStack\Events\SomeEvent' => [
-            'BookStack\Listeners\EventListener',
+        SocialiteWasCalled::class => [
+            'SocialiteProviders\Slack\SlackExtendSocialite@handle',
+            'SocialiteProviders\Azure\AzureExtendSocialite@handle',
         ],
     ];
 
     /**
      * Register any other events for your application.
      *
-     * @param  \Illuminate\Contracts\Events\Dispatcher  $events
      * @return void
      */
-    public function boot(DispatcherContract $events)
+    public function boot()
     {
-        parent::boot($events);
-
-        //
+        parent::boot();
     }
 }

app/Providers/PaginationServiceProvider.php

@@ -0,0 +1,35 @@
+<?php namespace BookStack\Providers;
+
+
+use Illuminate\Pagination\PaginationServiceProvider as IlluminatePaginationServiceProvider;
+use Illuminate\Pagination\Paginator;
+
+class PaginationServiceProvider extends IlluminatePaginationServiceProvider
+{
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        Paginator::viewFactoryResolver(function () {
+            return $this->app['view'];
+        });
+
+        Paginator::currentPathResolver(function () {
+            return baseUrl($this->app['request']->path());
+        });
+
+        Paginator::currentPageResolver(function ($pageName = 'page') {
+            $page = $this->app['request']->input($pageName);
+
+            if (filter_var($page, FILTER_VALIDATE_INT) !== false && (int) $page >= 1) {
+                return $page;
+            }
+
+            return 1;
+        });
+    }
+}

app/Providers/RouteServiceProvider.php

@@ -4,6 +4,7 @@ namespace BookStack\Providers;
 
 use Illuminate\Routing\Router;
 use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;
+use Route;
 
 class RouteServiceProvider extends ServiceProvider
 {
@@ -19,26 +20,54 @@ class RouteServiceProvider extends ServiceProvider
     /**
      * Define your route model bindings, pattern filters, etc.
      *
-     * @param  \Illuminate\Routing\Router  $router
      * @return void
      */
-    public function boot(Router $router)
+    public function boot()
     {
-        //
-
-        parent::boot($router);
+        parent::boot();
     }
 
     /**
      * Define the routes for the application.
      *
-     * @param  \Illuminate\Routing\Router  $router
      * @return void
      */
-    public function map(Router $router)
+    public function map()
     {
-        $router->group(['namespace' => $this->namespace], function ($router) {
-            require app_path('Http/routes.php');
+        $this->mapWebRoutes();
+//        $this->mapApiRoutes();
+    }
+    /**
+     * Define the "web" routes for the application.
+     *
+     * These routes all receive session state, CSRF protection, etc.
+     *
+     * @return void
+     */
+    protected function mapWebRoutes()
+    {
+        Route::group([
+            'middleware' => 'web',
+            'namespace' => $this->namespace,
+        ], function ($router) {
+            require base_path('routes/web.php');
+        });
+    }
+    /**
+     * Define the "api" routes for the application.
+     *
+     * These routes are typically stateless.
+     *
+     * @return void
+     */
+    protected function mapApiRoutes()
+    {
+        Route::group([
+            'middleware' => 'api',
+            'namespace' => $this->namespace,
+            'prefix' => 'api',
+        ], function ($router) {
+            require base_path('routes/api.php');
         });
     }
 }

app/Providers/SocialiteServiceProvider.php

@@ -1,36 +0,0 @@
-<?php namespace BookStack\Providers;
-
-
-use Illuminate\Support\ServiceProvider;
-
-class SocialiteServiceProvider extends ServiceProvider
-{
-    /**
-     * Indicates if loading of the provider is deferred.
-     *
-     * @var bool
-     */
-    protected $defer = true;
-
-    /**
-     * Register the service provider.
-     *
-     * @return void
-     */
-    public function register()
-    {
-        $this->app->bindShared('Laravel\Socialite\Contracts\Factory', function ($app) {
-            return new SocialiteManager($app);
-        });
-    }
-
-    /**
-     * Get the services provided by the provider.
-     *
-     * @return array
-     */
-    public function provides()
-    {
-        return ['Laravel\Socialite\Contracts\Factory'];
-    }
-}

app/Repos/BookRepo.php

@@ -1,267 +0,0 @@
-<?php namespace BookStack\Repos;
-
-use BookStack\Exceptions\NotFoundException;
-use Illuminate\Support\Str;
-use BookStack\Book;
-use Views;
-
-class BookRepo extends EntityRepo
-{
-    protected $pageRepo;
-    protected $chapterRepo;
-
-    /**
-     * BookRepo constructor.
-     * @param PageRepo $pageRepo
-     * @param ChapterRepo $chapterRepo
-     */
-    public function __construct(PageRepo $pageRepo, ChapterRepo $chapterRepo)
-    {
-        $this->pageRepo = $pageRepo;
-        $this->chapterRepo = $chapterRepo;
-        parent::__construct();
-    }
-
-    /**
-     * Base query for getting books.
-     * Takes into account any restrictions.
-     * @return mixed
-     */
-    private function bookQuery()
-    {
-        return $this->restrictionService->enforceBookRestrictions($this->book, 'view');
-    }
-
-    /**
-     * Get the book that has the given id.
-     * @param $id
-     * @return mixed
-     */
-    public function getById($id)
-    {
-        return $this->bookQuery()->findOrFail($id);
-    }
-
-    /**
-     * Get all books, Limited by count.
-     * @param int $count
-     * @return mixed
-     */
-    public function getAll($count = 10)
-    {
-        $bookQuery = $this->bookQuery()->orderBy('name', 'asc');
-        if (!$count) return $bookQuery->get();
-        return $bookQuery->take($count)->get();
-    }
-
-    /**
-     * Get all books paginated.
-     * @param int $count
-     * @return mixed
-     */
-    public function getAllPaginated($count = 10)
-    {
-        return $this->bookQuery()
-            ->orderBy('name', 'asc')->paginate($count);
-    }
-
-
-    /**
-     * Get the latest books.
-     * @param int $count
-     * @return mixed
-     */
-    public function getLatest($count = 10)
-    {
-        return $this->bookQuery()->orderBy('created_at', 'desc')->take($count)->get();
-    }
-
-    /**
-     * Gets the most recently viewed for a user.
-     * @param int $count
-     * @param int $page
-     * @return mixed
-     */
-    public function getRecentlyViewed($count = 10, $page = 0)
-    {
-        return Views::getUserRecentlyViewed($count, $page, $this->book);
-    }
-
-    /**
-     * Gets the most viewed books.
-     * @param int $count
-     * @param int $page
-     * @return mixed
-     */
-    public function getPopular($count = 10, $page = 0)
-    {
-        return Views::getPopular($count, $page, $this->book);
-    }
-
-    /**
-     * Get a book by slug
-     * @param $slug
-     * @return mixed
-     * @throws NotFoundException
-     */
-    public function getBySlug($slug)
-    {
-        $book = $this->bookQuery()->where('slug', '=', $slug)->first();
-        if ($book === null) throw new NotFoundException('Book not found');
-        return $book;
-    }
-
-    /**
-     * Checks if a book exists.
-     * @param $id
-     * @return bool
-     */
-    public function exists($id)
-    {
-        return $this->bookQuery()->where('id', '=', $id)->exists();
-    }
-
-    /**
-     * Get a new book instance from request input.
-     * @param $input
-     * @return Book
-     */
-    public function newFromInput($input)
-    {
-        return $this->book->newInstance($input);
-    }
-
-    /**
-     * Destroy a book identified by the given slug.
-     * @param $bookSlug
-     */
-    public function destroyBySlug($bookSlug)
-    {
-        $book = $this->getBySlug($bookSlug);
-        foreach ($book->pages as $page) {
-            $this->pageRepo->destroy($page);
-        }
-        foreach ($book->chapters as $chapter) {
-            $this->chapterRepo->destroy($chapter);
-        }
-        $book->views()->delete();
-        $book->restrictions()->delete();
-        $book->delete();
-    }
-
-    /**
-     * Get the next child element priority.
-     * @param Book $book
-     * @return int
-     */
-    public function getNewPriority($book)
-    {
-        $lastElem = $this->getChildren($book)->pop();
-        return $lastElem ? $lastElem->priority + 1 : 0;
-    }
-
-    /**
-     * @param string $slug
-     * @param bool|false $currentId
-     * @return bool
-     */
-    public function doesSlugExist($slug, $currentId = false)
-    {
-        $query = $this->book->where('slug', '=', $slug);
-        if ($currentId) {
-            $query = $query->where('id', '!=', $currentId);
-        }
-        return $query->count() > 0;
-    }
-
-    /**
-     * Provides a suitable slug for the given book name.
-     * Ensures the returned slug is unique in the system.
-     * @param string $name
-     * @param bool|false $currentId
-     * @return string
-     */
-    public function findSuitableSlug($name, $currentId = false)
-    {
-        $originalSlug = Str::slug($name);
-        $slug = $originalSlug;
-        $count = 2;
-        while ($this->doesSlugExist($slug, $currentId)) {
-            $slug = $originalSlug . '-' . $count;
-            $count++;
-        }
-        return $slug;
-    }
-
-    /**
-     * Get all child objects of a book.
-     * Returns a sorted collection of Pages and Chapters.
-     * Loads the bookslug onto child elements to prevent access database access for getting the slug.
-     * @param Book $book
-     * @param bool $filterDrafts
-     * @return mixed
-     */
-    public function getChildren(Book $book, $filterDrafts = false)
-    {
-        $pageQuery = $book->pages()->where('chapter_id', '=', 0);
-        $pageQuery = $this->restrictionService->enforcePageRestrictions($pageQuery, 'view');
-
-        if ($filterDrafts) {
-            $pageQuery = $pageQuery->where('draft', '=', false);
-        }
-
-        $pages = $pageQuery->get();
-
-        $chapterQuery = $book->chapters()->with(['pages' => function($query) use ($filterDrafts) {
-            $this->restrictionService->enforcePageRestrictions($query, 'view');
-            if ($filterDrafts) $query->where('draft', '=', false);
-        }]);
-        $chapterQuery = $this->restrictionService->enforceChapterRestrictions($chapterQuery, 'view');
-        $chapters = $chapterQuery->get();
-        $children = $pages->merge($chapters);
-        $bookSlug = $book->slug;
-
-        $children->each(function ($child) use ($bookSlug) {
-            $child->setAttribute('bookSlug', $bookSlug);
-            if ($child->isA('chapter')) {
-                $child->pages->each(function ($page) use ($bookSlug) {
-                    $page->setAttribute('bookSlug', $bookSlug);
-                });
-                $child->pages = $child->pages->sortBy(function($child, $key) {
-                    $score = $child->priority;
-                    if ($child->draft) $score -= 100;
-                    return $score;
-                });
-            }
-        });
-
-        // Sort items with drafts first then by priority.
-        return $children->sortBy(function($child, $key) {
-            $score = $child->priority;
-            if ($child->isA('page') && $child->draft) $score -= 100;
-            return $score;
-        });
-    }
-
-    /**
-     * Get books by search term.
-     * @param $term
-     * @param int $count
-     * @param array $paginationAppends
-     * @return mixed
-     */
-    public function getBySearch($term, $count = 20, $paginationAppends = [])
-    {
-        $terms = $this->prepareSearchTerms($term);
-        $books = $this->restrictionService->enforceBookRestrictions($this->book->fullTextSearchQuery(['name', 'description'], $terms))
-            ->paginate($count)->appends($paginationAppends);
-        $words = join('|', explode(' ', preg_quote(trim($term), '/')));
-        foreach ($books as $book) {
-            //highlight
-            $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $book->getExcerpt(100));
-            $book->searchSnippet = $result;
-        }
-        return $books;
-    }
-
-}

app/Repos/ChapterRepo.php

@@ -1,191 +0,0 @@
-<?php namespace BookStack\Repos;
-
-
-use Activity;
-use BookStack\Exceptions\NotFoundException;
-use Illuminate\Support\Str;
-use BookStack\Chapter;
-
-class ChapterRepo extends EntityRepo
-{
-    /**
-     * Base query for getting chapters, Takes restrictions into account.
-     * @return mixed
-     */
-    private function chapterQuery()
-    {
-        return $this->restrictionService->enforceChapterRestrictions($this->chapter, 'view');
-    }
-
-    /**
-     * Check if an id exists.
-     * @param $id
-     * @return bool
-     */
-    public function idExists($id)
-    {
-        return $this->chapterQuery()->where('id', '=', $id)->count() > 0;
-    }
-
-    /**
-     * Get a chapter by a specific id.
-     * @param $id
-     * @return mixed
-     */
-    public function getById($id)
-    {
-        return $this->chapterQuery()->findOrFail($id);
-    }
-
-    /**
-     * Get all chapters.
-     * @return \Illuminate\Database\Eloquent\Collection|static[]
-     */
-    public function getAll()
-    {
-        return $this->chapterQuery()->all();
-    }
-
-    /**
-     * Get a chapter that has the given slug within the given book.
-     * @param $slug
-     * @param $bookId
-     * @return mixed
-     * @throws NotFoundException
-     */
-    public function getBySlug($slug, $bookId)
-    {
-        $chapter = $this->chapterQuery()->where('slug', '=', $slug)->where('book_id', '=', $bookId)->first();
-        if ($chapter === null) throw new NotFoundException('Chapter not found');
-        return $chapter;
-    }
-
-    /**
-     * Get the child items for a chapter
-     * @param Chapter $chapter
-     */
-    public function getChildren(Chapter $chapter)
-    {
-        $pages = $this->restrictionService->enforcePageRestrictions($chapter->pages())->get();
-        // Sort items with drafts first then by priority.
-        return $pages->sortBy(function($child, $key) {
-            $score = $child->priority;
-            if ($child->draft) $score -= 100;
-            return $score;
-        });
-    }
-
-    /**
-     * Create a new chapter from request input.
-     * @param $input
-     * @return $this
-     */
-    public function newFromInput($input)
-    {
-        return $this->chapter->fill($input);
-    }
-
-    /**
-     * Destroy a chapter and its relations by providing its slug.
-     * @param Chapter $chapter
-     */
-    public function destroy(Chapter $chapter)
-    {
-        if (count($chapter->pages) > 0) {
-            foreach ($chapter->pages as $page) {
-                $page->chapter_id = 0;
-                $page->save();
-            }
-        }
-        Activity::removeEntity($chapter);
-        $chapter->views()->delete();
-        $chapter->restrictions()->delete();
-        $chapter->delete();
-    }
-
-    /**
-     * Check if a chapter's slug exists.
-     * @param            $slug
-     * @param            $bookId
-     * @param bool|false $currentId
-     * @return bool
-     */
-    public function doesSlugExist($slug, $bookId, $currentId = false)
-    {
-        $query = $this->chapter->where('slug', '=', $slug)->where('book_id', '=', $bookId);
-        if ($currentId) {
-            $query = $query->where('id', '!=', $currentId);
-        }
-        return $query->count() > 0;
-    }
-
-    /**
-     * Finds a suitable slug for the provided name.
-     * Checks database to prevent duplicate slugs.
-     * @param            $name
-     * @param            $bookId
-     * @param bool|false $currentId
-     * @return string
-     */
-    public function findSuitableSlug($name, $bookId, $currentId = false)
-    {
-        $slug = Str::slug($name);
-        while ($this->doesSlugExist($slug, $bookId, $currentId)) {
-            $slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
-        }
-        return $slug;
-    }
-
-    /**
-     * Get a new priority value for a new page to be added
-     * to the given chapter.
-     * @param Chapter $chapter
-     * @return int
-     */
-    public function getNewPriority(Chapter $chapter)
-    {
-        $lastPage = $chapter->pages->last();
-        return $lastPage !== null ? $lastPage->priority + 1 : 0;
-    }
-
-    /**
-     * Get chapters by the given search term.
-     * @param string $term
-     * @param array $whereTerms
-     * @param int $count
-     * @param array $paginationAppends
-     * @return mixed
-     */
-    public function getBySearch($term, $whereTerms = [], $count = 20, $paginationAppends = [])
-    {
-        $terms = $this->prepareSearchTerms($term);
-        $chapters = $this->restrictionService->enforceChapterRestrictions($this->chapter->fullTextSearchQuery(['name', 'description'], $terms, $whereTerms))
-            ->paginate($count)->appends($paginationAppends);
-        $words = join('|', explode(' ', preg_quote(trim($term), '/')));
-        foreach ($chapters as $chapter) {
-            //highlight
-            $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $chapter->getExcerpt(100));
-            $chapter->searchSnippet = $result;
-        }
-        return $chapters;
-    }
-
-    /**
-     * Changes the book relation of this chapter.
-     * @param         $bookId
-     * @param Chapter $chapter
-     * @return Chapter
-     */
-    public function changeBook($bookId, Chapter $chapter)
-    {
-        $chapter->book_id = $bookId;
-        foreach ($chapter->activity as $activity) {
-            $activity->book_id = $bookId;
-            $activity->save();
-        }
-        $chapter->slug = $this->findSuitableSlug($chapter->name, $bookId, $chapter->id);
-        $chapter->save();
-        return $chapter;
-    }
-
-}

app/Repos/CommentRepo.php

@@ -0,0 +1,87 @@
+<?php namespace BookStack\Repos;
+
+use BookStack\Comment;
+use BookStack\Entity;
+
+/**
+ * Class CommentRepo
+ * @package BookStack\Repos
+ */
+class CommentRepo {
+
+    /**
+     * @var Comment $comment
+     */
+    protected $comment;
+
+    /**
+     * CommentRepo constructor.
+     * @param Comment $comment
+     */
+    public function __construct(Comment $comment)
+    {
+        $this->comment = $comment;
+    }
+
+    /**
+     * Get a comment by ID.
+     * @param $id
+     * @return Comment|\Illuminate\Database\Eloquent\Model
+     */
+    public function getById($id)
+    {
+        return $this->comment->newQuery()->findOrFail($id);
+    }
+
+    /**
+     * Create a new comment on an entity.
+     * @param Entity $entity
+     * @param array $data
+     * @return Comment
+     */
+    public function create (Entity $entity, $data = [])
+    {
+        $userId = user()->id;
+        $comment = $this->comment->newInstance($data);
+        $comment->created_by = $userId;
+        $comment->updated_by = $userId;
+        $comment->local_id = $this->getNextLocalId($entity);
+        $entity->comments()->save($comment);
+        return $comment;
+    }
+
+    /**
+     * Update an existing comment.
+     * @param Comment $comment
+     * @param array $input
+     * @return mixed
+     */
+    public function update($comment, $input)
+    {
+        $comment->updated_by = user()->id;
+        $comment->update($input);
+        return $comment;
+    }
+
+    /**
+     * Delete a comment from the system.
+     * @param Comment $comment
+     * @return mixed
+     */
+    public function delete($comment)
+    {
+        return $comment->delete();
+    }
+
+    /**
+     * Get the next local ID relative to the linked entity.
+     * @param Entity $entity
+     * @return int
+     */
+    protected function getNextLocalId(Entity $entity)
+    {
+        $comments = $entity->comments(false)->orderBy('local_id', 'desc')->first();
+        if ($comments === null) return 1;
+        return $comments->local_id + 1;
+    }
+}

app/Repos/ImageRepo.php

@@ -4,7 +4,8 @@
 use BookStack\Image;
 use BookStack\Page;
 use BookStack\Services\ImageService;
-use BookStack\Services\RestrictionService;
+use BookStack\Services\PermissionService;
+use Illuminate\Contracts\Filesystem\FileNotFoundException;
 use Setting;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
 
@@ -13,21 +14,21 @@ class ImageRepo
 
     protected $image;
     protected $imageService;
-    protected $restictionService;
+    protected $restrictionService;
     protected $page;
 
     /**
      * ImageRepo constructor.
      * @param Image $image
      * @param ImageService $imageService
-     * @param RestrictionService $restrictionService
+     * @param PermissionService $permissionService
      * @param Page $page
      */
-    public function __construct(Image $image, ImageService $imageService, RestrictionService $restrictionService, Page $page)
+    public function __construct(Image $image, ImageService $imageService, PermissionService $permissionService, Page $page)
     {
         $this->image = $image;
         $this->imageService = $imageService;
-        $this->restictionService = $restrictionService;
+        $this->restrictionService = $permissionService;
         $this->page = $page;
     }
 
@@ -52,7 +53,7 @@ class ImageRepo
      */
     private function returnPaginated($query, $page = 0, $pageSize = 24)
     {
-        $images = $this->restictionService->filterRelatedPages($query, 'images', 'uploaded_to');
+        $images = $this->restrictionService->filterRelatedPages($query, 'images', 'uploaded_to');
         $images = $images->orderBy('created_at', 'desc')->skip($pageSize * $page)->take($pageSize + 1)->get();
         $hasMore = count($images) > $pageSize;
 
@@ -191,7 +192,12 @@ class ImageRepo
      */
     public function getThumbnail(Image $image, $width = 220, $height = 220, $keepRatio = false)
     {
-        return $this->imageService->getThumbnail($image, $width, $height, $keepRatio);
+        try {
+            return $this->imageService->getThumbnail($image, $width, $height, $keepRatio);
+        } catch (FileNotFoundException $exception) {
+            $image->delete();
+            return [];
+        }
     }
 
 

app/Repos/PageRepo.php

@@ -1,607 +0,0 @@
-<?php namespace BookStack\Repos;
-
-use Activity;
-use BookStack\Book;
-use BookStack\Chapter;
-use BookStack\Exceptions\NotFoundException;
-use Carbon\Carbon;
-use DOMDocument;
-use Illuminate\Support\Str;
-use BookStack\Page;
-use BookStack\PageRevision;
-
-class PageRepo extends EntityRepo
-{
-
-    protected $pageRevision;
-
-    /**
-     * PageRepo constructor.
-     * @param PageRevision $pageRevision
-     */
-    public function __construct(PageRevision $pageRevision)
-    {
-        $this->pageRevision = $pageRevision;
-        parent::__construct();
-    }
-
-    /**
-     * Base query for getting pages, Takes restrictions into account.
-     * @param bool $allowDrafts
-     * @return mixed
-     */
-    private function pageQuery($allowDrafts = false)
-    {
-        $query = $this->restrictionService->enforcePageRestrictions($this->page, 'view');
-        if (!$allowDrafts) {
-            $query = $query->where('draft', '=', false);
-        }
-        return $query;
-    }
-
-    /**
-     * Get a page via a specific ID.
-     * @param $id
-     * @param bool $allowDrafts
-     * @return mixed
-     */
-    public function getById($id, $allowDrafts = false)
-    {
-        return $this->pageQuery($allowDrafts)->findOrFail($id);
-    }
-
-    /**
-     * Get a page identified by the given slug.
-     * @param $slug
-     * @param $bookId
-     * @return mixed
-     * @throws NotFoundException
-     */
-    public function getBySlug($slug, $bookId)
-    {
-        $page = $this->pageQuery()->where('slug', '=', $slug)->where('book_id', '=', $bookId)->first();
-        if ($page === null) throw new NotFoundException('Page not found');
-        return $page;
-    }
-
-    /**
-     * Search through page revisions and retrieve
-     * the last page in the current book that
-     * has a slug equal to the one given.
-     * @param $pageSlug
-     * @param $bookSlug
-     * @return null | Page
-     */
-    public function findPageUsingOldSlug($pageSlug, $bookSlug)
-    {
-        $revision = $this->pageRevision->where('slug', '=', $pageSlug)
-            ->whereHas('page', function ($query) {
-                $this->restrictionService->enforcePageRestrictions($query);
-            })
-            ->where('type', '=', 'version')
-            ->where('book_slug', '=', $bookSlug)->orderBy('created_at', 'desc')
-            ->with('page')->first();
-        return $revision !== null ? $revision->page : null;
-    }
-
-    /**
-     * Get a new Page instance from the given input.
-     * @param $input
-     * @return Page
-     */
-    public function newFromInput($input)
-    {
-        $page = $this->page->fill($input);
-        return $page;
-    }
-
-    /**
-     * Count the pages with a particular slug within a book.
-     * @param $slug
-     * @param $bookId
-     * @return mixed
-     */
-    public function countBySlug($slug, $bookId)
-    {
-        return $this->page->where('slug', '=', $slug)->where('book_id', '=', $bookId)->count();
-    }
-
-    /**
-     * Save a new page into the system.
-     * Input validation must be done beforehand.
-     * @param array $input
-     * @param Book $book
-     * @param int $chapterId
-     * @return Page
-     */
-    public function saveNew(array $input, Book $book, $chapterId = null)
-    {
-        $page = $this->newFromInput($input);
-        $page->slug = $this->findSuitableSlug($page->name, $book->id);
-
-        if ($chapterId) $page->chapter_id = $chapterId;
-
-        $page->html = $this->formatHtml($input['html']);
-        $page->text = strip_tags($page->html);
-        $page->created_by = auth()->user()->id;
-        $page->updated_by = auth()->user()->id;
-
-        $book->pages()->save($page);
-        return $page;
-    }
-
-
-    /**
-     * Publish a draft page to make it a normal page.
-     * Sets the slug and updates the content.
-     * @param Page $draftPage
-     * @param array $input
-     * @return Page
-     */
-    public function publishDraft(Page $draftPage, array $input)
-    {
-        $draftPage->fill($input);
-
-        $draftPage->slug = $this->findSuitableSlug($draftPage->name, $draftPage->book->id);
-        $draftPage->html = $this->formatHtml($input['html']);
-        $draftPage->text = strip_tags($draftPage->html);
-        $draftPage->draft = false;
-
-        $draftPage->save();
-        return $draftPage;
-    }
-
-    /**
-     * Get a new draft page instance.
-     * @param Book $book
-     * @param Chapter|bool $chapter
-     * @return static
-     */
-    public function getDraftPage(Book $book, $chapter = false)
-    {
-        $page = $this->page->newInstance();
-        $page->name = 'New Page';
-        $page->created_by = auth()->user()->id;
-        $page->updated_by = auth()->user()->id;
-        $page->draft = true;
-
-        if ($chapter) $page->chapter_id = $chapter->id;
-
-        $book->pages()->save($page);
-        return $page;
-    }
-
-    /**
-     * Formats a page's html to be tagged correctly
-     * within the system.
-     * @param string $htmlText
-     * @return string
-     */
-    protected function formatHtml($htmlText)
-    {
-        if ($htmlText == '') return $htmlText;
-        libxml_use_internal_errors(true);
-        $doc = new DOMDocument();
-        $doc->loadHTML(mb_convert_encoding($htmlText, 'HTML-ENTITIES', 'UTF-8'));
-
-        $container = $doc->documentElement;
-        $body = $container->childNodes->item(0);
-        $childNodes = $body->childNodes;
-
-        // Ensure no duplicate ids are used
-        $idArray = [];
-
-        foreach ($childNodes as $index => $childNode) {
-            /** @var \DOMElement $childNode */
-            if (get_class($childNode) !== 'DOMElement') continue;
-
-            // Overwrite id if not a BookStack custom id
-            if ($childNode->hasAttribute('id')) {
-                $id = $childNode->getAttribute('id');
-                if (strpos($id, 'bkmrk') === 0 && array_search($id, $idArray) === false) {
-                    $idArray[] = $id;
-                    continue;
-                };
-            }
-
-            // Create an unique id for the element
-            // Uses the content as a basis to ensure output is the same every time
-            // the same content is passed through.
-            $contentId = 'bkmrk-' . substr(strtolower(preg_replace('/\s+/', '-', trim($childNode->nodeValue))), 0, 20);
-            $newId = urlencode($contentId);
-            $loopIndex = 0;
-            while (in_array($newId, $idArray)) {
-                $newId = urlencode($contentId . '-' . $loopIndex);
-                $loopIndex++;
-            }
-
-            $childNode->setAttribute('id', $newId);
-            $idArray[] = $newId;
-        }
-
-        // Generate inner html as a string
-        $html = '';
-        foreach ($childNodes as $childNode) {
-            $html .= $doc->saveHTML($childNode);
-        }
-
-        return $html;
-    }
-
-
-    /**
-     * Gets pages by a search term.
-     * Highlights page content for showing in results.
-     * @param string $term
-     * @param array $whereTerms
-     * @param int $count
-     * @param array $paginationAppends
-     * @return mixed
-     */
-    public function getBySearch($term, $whereTerms = [], $count = 20, $paginationAppends = [])
-    {
-        $terms = $this->prepareSearchTerms($term);
-        $pages = $this->restrictionService->enforcePageRestrictions($this->page->fullTextSearchQuery(['name', 'text'], $terms, $whereTerms))
-            ->paginate($count)->appends($paginationAppends);
-
-        // Add highlights to page text.
-        $words = join('|', explode(' ', preg_quote(trim($term), '/')));
-        //lookahead/behind assertions ensures cut between words
-        $s = '\s\x00-/:-@\[-`{-~'; //character set for start/end of words
-
-        foreach ($pages as $page) {
-            preg_match_all('#(?<=[' . $s . ']).{1,30}((' . $words . ').{1,30})+(?=[' . $s . '])#uis', $page->text, $matches, PREG_SET_ORDER);
-            //delimiter between occurrences
-            $results = [];
-            foreach ($matches as $line) {
-                $results[] = htmlspecialchars($line[0], 0, 'UTF-8');
-            }
-            $matchLimit = 6;
-            if (count($results) > $matchLimit) {
-                $results = array_slice($results, 0, $matchLimit);
-            }
-            $result = join('... ', $results);
-
-            //highlight
-            $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $result);
-            if (strlen($result) < 5) {
-                $result = $page->getExcerpt(80);
-            }
-            $page->searchSnippet = $result;
-        }
-        return $pages;
-    }
-
-    /**
-     * Search for image usage.
-     * @param $imageString
-     * @return mixed
-     */
-    public function searchForImage($imageString)
-    {
-        $pages = $this->pageQuery()->where('html', 'like', '%' . $imageString . '%')->get();
-        foreach ($pages as $page) {
-            $page->url = $page->getUrl();
-            $page->html = '';
-            $page->text = '';
-        }
-        return count($pages) > 0 ? $pages : false;
-    }
-
-    /**
-     * Updates a page with any fillable data and saves it into the database.
-     * @param Page $page
-     * @param int $book_id
-     * @param string $input
-     * @return Page
-     */
-    public function updatePage(Page $page, $book_id, $input)
-    {
-        // Save a revision before updating
-        if ($page->html !== $input['html'] || $page->name !== $input['name']) {
-            $this->saveRevision($page);
-        }
-
-        // Prevent slug being updated if no name change
-        if ($page->name !== $input['name']) {
-            $page->slug = $this->findSuitableSlug($input['name'], $book_id, $page->id);
-        }
-
-        // Update with new details
-        $userId = auth()->user()->id;
-        $page->fill($input);
-        $page->html = $this->formatHtml($input['html']);
-        $page->text = strip_tags($page->html);
-        if (setting('app-editor') !== 'markdown') $page->markdown = '';
-        $page->updated_by = $userId;
-        $page->save();
-
-        // Remove all update drafts for this user & page.
-        $this->userUpdateDraftsQuery($page, $userId)->delete();
-
-        return $page;
-    }
-
-    /**
-     * Restores a revision's content back into a page.
-     * @param Page $page
-     * @param Book $book
-     * @param  int $revisionId
-     * @return Page
-     */
-    public function restoreRevision(Page $page, Book $book, $revisionId)
-    {
-        $this->saveRevision($page);
-        $revision = $this->getRevisionById($revisionId);
-        $page->fill($revision->toArray());
-        $page->slug = $this->findSuitableSlug($page->name, $book->id, $page->id);
-        $page->text = strip_tags($page->html);
-        $page->updated_by = auth()->user()->id;
-        $page->save();
-        return $page;
-    }
-
-    /**
-     * Saves a page revision into the system.
-     * @param Page $page
-     * @return $this
-     */
-    public function saveRevision(Page $page)
-    {
-        $revision = $this->pageRevision->fill($page->toArray());
-        if (setting('app-editor') !== 'markdown') $revision->markdown = '';
-        $revision->page_id = $page->id;
-        $revision->slug = $page->slug;
-        $revision->book_slug = $page->book->slug;
-        $revision->created_by = auth()->user()->id;
-        $revision->created_at = $page->updated_at;
-        $revision->type = 'version';
-        $revision->save();
-        // Clear old revisions
-        if ($this->pageRevision->where('page_id', '=', $page->id)->count() > 50) {
-            $this->pageRevision->where('page_id', '=', $page->id)
-                ->orderBy('created_at', 'desc')->skip(50)->take(5)->delete();
-        }
-        return $revision;
-    }
-
-    /**
-     * Save a page update draft.
-     * @param Page $page
-     * @param array $data
-     * @return PageRevision
-     */
-    public function saveUpdateDraft(Page $page, $data = [])
-    {
-        $userId = auth()->user()->id;
-        $drafts = $this->userUpdateDraftsQuery($page, $userId)->get();
-
-        if ($drafts->count() > 0) {
-            $draft = $drafts->first();
-        } else {
-            $draft = $this->pageRevision->newInstance();
-            $draft->page_id = $page->id;
-            $draft->slug = $page->slug;
-            $draft->book_slug = $page->book->slug;
-            $draft->created_by = $userId;
-            $draft->type = 'update_draft';
-        }
-
-        $draft->fill($data);
-        if (setting('app-editor') !== 'markdown') $draft->markdown = '';
-        
-        $draft->save();
-        return $draft;
-    }
-
-    /**
-     * Update a draft page.
-     * @param Page $page
-     * @param array $data
-     * @return Page
-     */
-    public function updateDraftPage(Page $page, $data = [])
-    {
-        $page->fill($data);
-
-        if (isset($data['html'])) {
-            $page->text = strip_tags($data['html']);
-        }
-
-        $page->save();
-        return $page;
-    }
-
-    /**
-     * The base query for getting user update drafts.
-     * @param Page $page
-     * @param $userId
-     * @return mixed
-     */
-    private function userUpdateDraftsQuery(Page $page, $userId)
-    {
-        return $this->pageRevision->where('created_by', '=', $userId)
-            ->where('type', 'update_draft')
-            ->where('page_id', '=', $page->id)
-            ->orderBy('created_at', 'desc');
-    }
-
-    /**
-     * Checks whether a user has a draft version of a particular page or not.
-     * @param Page $page
-     * @param $userId
-     * @return bool
-     */
-    public function hasUserGotPageDraft(Page $page, $userId)
-    {
-        return $this->userUpdateDraftsQuery($page, $userId)->count() > 0;
-    }
-
-    /**
-     * Get the latest updated draft revision for a particular page and user.
-     * @param Page $page
-     * @param $userId
-     * @return mixed
-     */
-    public function getUserPageDraft(Page $page, $userId)
-    {
-        return $this->userUpdateDraftsQuery($page, $userId)->first();
-    }
-
-    /**
-     * Get the notification message that informs the user that they are editing a draft page.
-     * @param PageRevision $draft
-     * @return string
-     */
-    public function getUserPageDraftMessage(PageRevision $draft)
-    {
-        $message = 'You are currently editing a draft that was last saved ' . $draft->updated_at->diffForHumans() . '.';
-        if ($draft->page->updated_at->timestamp > $draft->updated_at->timestamp) {
-            $message .= "\n This page has been updated by since that time. It is recommended that you discard this draft.";
-        }
-        return $message;
-    }
-
-    /**
-     * Check if a page is being actively editing.
-     * Checks for edits since last page updated.
-     * Passing in a minuted range will check for edits
-     * within the last x minutes.
-     * @param Page $page
-     * @param null $minRange
-     * @return bool
-     */
-    public function isPageEditingActive(Page $page, $minRange = null)
-    {
-        $draftSearch = $this->activePageEditingQuery($page, $minRange);
-        return $draftSearch->count() > 0;
-    }
-
-    /**
-     * Get a notification message concerning the editing activity on
-     * a particular page.
-     * @param Page $page
-     * @param null $minRange
-     * @return string
-     */
-    public function getPageEditingActiveMessage(Page $page, $minRange = null)
-    {
-        $pageDraftEdits = $this->activePageEditingQuery($page, $minRange)->get();
-        $userMessage = $pageDraftEdits->count() > 1 ? $pageDraftEdits->count() . ' users have' : $pageDraftEdits->first()->createdBy->name . ' has';
-        $timeMessage = $minRange === null ? 'since the page was last updated' : 'in the last ' . $minRange . ' minutes';
-        $message = '%s started editing this page %s. Take care not to overwrite each other\'s updates!';
-        return sprintf($message, $userMessage, $timeMessage);
-    }
-
-    /**
-     * A query to check for active update drafts on a particular page.
-     * @param Page $page
-     * @param null $minRange
-     * @return mixed
-     */
-    private function activePageEditingQuery(Page $page, $minRange = null)
-    {
-        $query = $this->pageRevision->where('type', '=', 'update_draft')
-            ->where('page_id', '=', $page->id)
-            ->where('updated_at', '>', $page->updated_at)
-            ->where('created_by', '!=', auth()->user()->id)
-            ->with('createdBy');
-
-        if ($minRange !== null) {
-            $query = $query->where('updated_at', '>=', Carbon::now()->subMinutes($minRange));
-        }
-
-        return $query;
-    }
-
-    /**
-     * Gets a single revision via it's id.
-     * @param $id
-     * @return mixed
-     */
-    public function getRevisionById($id)
-    {
-        return $this->pageRevision->findOrFail($id);
-    }
-
-    /**
-     * Checks if a slug exists within a book already.
-     * @param            $slug
-     * @param            $bookId
-     * @param bool|false $currentId
-     * @return bool
-     */
-    public function doesSlugExist($slug, $bookId, $currentId = false)
-    {
-        $query = $this->page->where('slug', '=', $slug)->where('book_id', '=', $bookId);
-        if ($currentId) $query = $query->where('id', '!=', $currentId);
-        return $query->count() > 0;
-    }
-
-    /**
-     * Changes the related book for the specified page.
-     * Changes the book id of any relations to the page that store the book id.
-     * @param int $bookId
-     * @param Page $page
-     * @return Page
-     */
-    public function changeBook($bookId, Page $page)
-    {
-        $page->book_id = $bookId;
-        foreach ($page->activity as $activity) {
-            $activity->book_id = $bookId;
-            $activity->save();
-        }
-        $page->slug = $this->findSuitableSlug($page->name, $bookId, $page->id);
-        $page->save();
-        return $page;
-    }
-
-    /**
-     * Gets a suitable slug for the resource
-     * @param            $name
-     * @param            $bookId
-     * @param bool|false $currentId
-     * @return string
-     */
-    public function findSuitableSlug($name, $bookId, $currentId = false)
-    {
-        $slug = Str::slug($name);
-        while ($this->doesSlugExist($slug, $bookId, $currentId)) {
-            $slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
-        }
-        return $slug;
-    }
-
-    /**
-     * Destroy a given page along with its dependencies.
-     * @param $page
-     */
-    public function destroy($page)
-    {
-        Activity::removeEntity($page);
-        $page->views()->delete();
-        $page->revisions()->delete();
-        $page->restrictions()->delete();
-        $page->delete();
-    }
-
-    /**
-     * Get the latest pages added to the system.
-     * @param $count
-     */
-    public function getRecentlyCreatedPaginated($count = 20)
-    {
-        return $this->pageQuery()->orderBy('created_at', 'desc')->paginate($count);
-    }
-
-    /**
-     * Get the latest pages added to the system.
-     * @param $count
-     */
-    public function getRecentlyUpdatedPaginated($count = 20)
-    {
-        return $this->pageQuery()->orderBy('updated_at', 'desc')->paginate($count);
-    }
-
-}

app/Repos/PermissionsRepo.php

@@ -2,8 +2,9 @@
 
 
 use BookStack\Exceptions\PermissionsException;
-use BookStack\Permission;
+use BookStack\RolePermission;
 use BookStack\Role;
+use BookStack\Services\PermissionService;
 use Setting;
 
 class PermissionsRepo
@@ -11,16 +12,21 @@ class PermissionsRepo
 
     protected $permission;
     protected $role;
+    protected $permissionService;
+
+    protected $systemRoles = ['admin', 'public'];
 
     /**
      * PermissionsRepo constructor.
-     * @param $permission
-     * @param $role
+     * @param RolePermission $permission
+     * @param Role $role
+     * @param PermissionService $permissionService
      */
-    public function __construct(Permission $permission, Role $role)
+    public function __construct(RolePermission $permission, Role $role, PermissionService $permissionService)
     {
         $this->permission = $permission;
         $this->role = $role;
+        $this->permissionService = $permissionService;
     }
 
     /**
@@ -69,6 +75,7 @@ class PermissionsRepo
 
         $permissions = isset($roleData['permissions']) ? array_keys($roleData['permissions']) : [];
         $this->assignRolePermissions($role, $permissions);
+        $this->permissionService->buildJointPermissionForRole($role);
         return $role;
     }
 
@@ -77,20 +84,23 @@ class PermissionsRepo
      * Ensure Admin role always has all permissions.
      * @param $roleId
      * @param $roleData
+     * @throws PermissionsException
      */
     public function updateRole($roleId, $roleData)
     {
         $role = $this->role->findOrFail($roleId);
+
         $permissions = isset($roleData['permissions']) ? array_keys($roleData['permissions']) : [];
         $this->assignRolePermissions($role, $permissions);
 
-        if ($role->name === 'admin') {
+        if ($role->system_name === 'admin') {
             $permissions = $this->permission->all()->pluck('id')->toArray();
             $role->permissions()->sync($permissions);
         }
 
         $role->fill($roleData);
         $role->save();
+        $this->permissionService->buildJointPermissionForRole($role);
     }
 
     /**
@@ -122,10 +132,10 @@ class PermissionsRepo
         $role = $this->role->findOrFail($roleId);
 
         // Prevent deleting admin role or default registration role.
-        if ($role->name === 'admin') {
-            throw new PermissionsException('The admin role cannot be deleted');
+        if ($role->system_name && in_array($role->system_name, $this->systemRoles)) {
+            throw new PermissionsException(trans('errors.role_system_cannot_be_deleted'));
         } else if ($role->id == setting('registration-role')) {
-            throw new PermissionsException('This role cannot be deleted while set as the default registration role.');
+            throw new PermissionsException(trans('errors.role_registration_default_cannot_delete'));
         }
 
         if ($migrateRoleId) {
@@ -136,6 +146,7 @@ class PermissionsRepo
             }
         }
 
+        $this->permissionService->deleteJointPermissionsForRole($role);
         $role->delete();
     }
 

app/Repos/TagRepo.php

@@ -0,0 +1,136 @@
+<?php namespace BookStack\Repos;
+
+use BookStack\Tag;
+use BookStack\Entity;
+use BookStack\Services\PermissionService;
+
+/**
+ * Class TagRepo
+ * @package BookStack\Repos
+ */
+class TagRepo
+{
+
+    protected $tag;
+    protected $entity;
+    protected $permissionService;
+
+    /**
+     * TagRepo constructor.
+     * @param Tag $attr
+     * @param Entity $ent
+     * @param PermissionService $ps
+     */
+    public function __construct(Tag $attr, Entity $ent, PermissionService $ps)
+    {
+        $this->tag = $attr;
+        $this->entity = $ent;
+        $this->permissionService = $ps;
+    }
+
+    /**
+     * Get an entity instance of its particular type.
+     * @param $entityType
+     * @param $entityId
+     * @param string $action
+     * @return \Illuminate\Database\Eloquent\Model|null|static
+     */
+    public function getEntity($entityType, $entityId, $action = 'view')
+    {
+        $entityInstance = $this->entity->getEntityInstance($entityType);
+        $searchQuery = $entityInstance->where('id', '=', $entityId)->with('tags');
+        $searchQuery = $this->permissionService->enforceEntityRestrictions($entityType, $searchQuery, $action);
+        return $searchQuery->first();
+    }
+
+    /**
+     * Get all tags for a particular entity.
+     * @param string $entityType
+     * @param int $entityId
+     * @return mixed
+     */
+    public function getForEntity($entityType, $entityId)
+    {
+        $entity = $this->getEntity($entityType, $entityId);
+        if ($entity === null) return collect();
+
+        return $entity->tags;
+    }
+
+    /**
+     * Get tag name suggestions from scanning existing tag names.
+     * If no search term is given the 50 most popular tag names are provided.
+     * @param $searchTerm
+     * @return array
+     */
+    public function getNameSuggestions($searchTerm = false)
+    {
+        $query = $this->tag->select('*', \DB::raw('count(*) as count'))->groupBy('name');
+
+        if ($searchTerm) {
+            $query = $query->where('name', 'LIKE', $searchTerm . '%')->orderBy('name', 'desc');
+        } else {
+            $query = $query->orderBy('count', 'desc')->take(50);
+        }
+
+        $query = $this->permissionService->filterRestrictedEntityRelations($query, 'tags', 'entity_id', 'entity_type');
+        return $query->get(['name'])->pluck('name');
+    }
+
+    /**
+     * Get tag value suggestions from scanning existing tag values.
+     * If no search is given the 50 most popular values are provided.
+     * Passing a tagName will only find values for a tags with a particular name.
+     * @param $searchTerm
+     * @param $tagName
+     * @return array
+     */
+    public function getValueSuggestions($searchTerm = false, $tagName = false)
+    {
+        $query = $this->tag->select('*', \DB::raw('count(*) as count'))->groupBy('value');
+
+        if ($searchTerm) {
+            $query = $query->where('value', 'LIKE', $searchTerm . '%')->orderBy('value', 'desc');
+        } else {
+            $query = $query->orderBy('count', 'desc')->take(50);
+        }
+
+        if ($tagName !== false) $query = $query->where('name', '=', $tagName);
+
+        $query = $this->permissionService->filterRestrictedEntityRelations($query, 'tags', 'entity_id', 'entity_type');
+        return $query->get(['value'])->pluck('value');
+    }
+
+    /**
+     * Save an array of tags to an entity
+     * @param Entity $entity
+     * @param array $tags
+     * @return array|\Illuminate\Database\Eloquent\Collection
+     */
+    public function saveTagsToEntity(Entity $entity, $tags = [])
+    {
+        $entity->tags()->delete();
+        $newTags = [];
+        foreach ($tags as $tag) {
+            if (trim($tag['name']) === '') continue;
+            $newTags[] = $this->newInstanceFromInput($tag);
+        }
+
+        return $entity->tags()->saveMany($newTags);
+    }
+
+    /**
+     * Create a new Tag instance from user input.
+     * @param $input
+     * @return Tag
+     */
+    protected function newInstanceFromInput($input)
+    {
+        $name = trim($input['name']);
+        $value = isset($input['value']) ? trim($input['value']) : '';
+        // Any other modification or cleanup required can go here
+        $values = ['name' => $name, 'value' => $value];
+        return $this->tag->newInstance($values);
+    }
+
+}

app/Repos/UserRepo.php

@@ -2,7 +2,7 @@
 
 use BookStack\Role;
 use BookStack\User;
-use Setting;
+use Exception;
 
 class UserRepo
 {
@@ -51,6 +51,27 @@ class UserRepo
         return $this->user->with('roles', 'avatar')->orderBy('name', 'asc')->get();
     }
 
+    /**
+     * Get all the users with their permissions in a paginated format.
+     * @param int $count
+     * @param $sortData
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function getAllUsersPaginatedAndSorted($count = 20, $sortData)
+    {
+        $query = $this->user->with('roles', 'avatar')->orderBy($sortData['sort'], $sortData['order']);
+
+        if ($sortData['search']) {
+            $term = '%' . $sortData['search'] . '%';
+            $query->where(function($query) use ($term) {
+                $query->where('name', 'like', $term)
+                    ->orWhere('email', 'like', $term);
+            });
+        }
+
+        return $query->paginate($count);
+    }
+
     /**
      * Creates a new user and attaches a role to them.
      * @param array $data
@@ -63,9 +84,14 @@ class UserRepo
 
         // Get avatar from gravatar and save
         if (!config('services.disable_services')) {
-            $avatar = \Images::saveUserGravatar($user);
-            $user->avatar()->associate($avatar);
-            $user->save();
+            try {
+                $avatar = \Images::saveUserGravatar($user);
+                $user->avatar()->associate($avatar);
+                $user->save();
+            } catch (Exception $e) {
+                $user->save();
+                \Log::error('Failed to save user gravatar image');
+            }
         }
 
         return $user;
@@ -142,13 +168,13 @@ class UserRepo
     public function getRecentlyCreated(User $user, $count = 20)
     {
         return [
-            'pages'    => $this->entityRepo->getRecentlyCreatedPages($count, 0, function ($query) use ($user) {
+            'pages'    => $this->entityRepo->getRecentlyCreated('page', $count, 0, function ($query) use ($user) {
                 $query->where('created_by', '=', $user->id);
             }),
-            'chapters' => $this->entityRepo->getRecentlyCreatedChapters($count, 0, function ($query) use ($user) {
+            'chapters' => $this->entityRepo->getRecentlyCreated('chapter', $count, 0, function ($query) use ($user) {
                 $query->where('created_by', '=', $user->id);
             }),
-            'books'    => $this->entityRepo->getRecentlyCreatedBooks($count, 0, function ($query) use ($user) {
+            'books'    => $this->entityRepo->getRecentlyCreated('book', $count, 0, function ($query) use ($user) {
                 $query->where('created_by', '=', $user->id);
             })
         ];
@@ -168,6 +194,15 @@ class UserRepo
         ];
     }
 
+    /**
+     * Get the roles in the system that are assignable to a user.
+     * @return mixed
+     */
+    public function getAllRoles()
+    {
+        return $this->role->all();
+    }
+
     /**
      * Get all the roles which can be given restricted access to
      * other entities in the system.
@@ -175,7 +210,7 @@ class UserRepo
      */
     public function getRestrictableRoles()
     {
-        return $this->role->where('name', '!=', 'admin')->get();
+        return $this->role->where('system_name', '!=', 'admin')->get();
     }
 
 }

app/Role.php

@@ -1,8 +1,5 @@
-<?php
+<?php namespace BookStack;
 
-namespace BookStack;
-
-use Illuminate\Database\Eloquent\Model;
 
 class Role extends Model
 {
@@ -14,40 +11,54 @@ class Role extends Model
      */
     public function users()
     {
-        return $this->belongsToMany('BookStack\User');
+        return $this->belongsToMany(User::class);
     }
 
     /**
-     * The permissions that belong to the role.
+     * Get all related JointPermissions.
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function jointPermissions()
+    {
+        return $this->hasMany(JointPermission::class);
+    }
+
+    /**
+     * The RolePermissions that belong to the role.
      */
     public function permissions()
     {
-        return $this->belongsToMany('BookStack\Permission');
+        return $this->belongsToMany(RolePermission::class, 'permission_role', 'role_id', 'permission_id');
     }
 
     /**
      * Check if this role has a permission.
-     * @param $permission
+     * @param $permissionName
+     * @return bool
      */
-    public function hasPermission($permission)
+    public function hasPermission($permissionName)
     {
-        return $this->permissions->pluck('name')->contains($permission);
+        $permissions = $this->getRelationValue('permissions');
+        foreach ($permissions as $permission) {
+            if ($permission->getRawAttribute('name') === $permissionName) return true;
+        }
+        return false;
     }
 
     /**
      * Add a permission to this role.
-     * @param Permission $permission
+     * @param RolePermission $permission
      */
-    public function attachPermission(Permission $permission)
+    public function attachPermission(RolePermission $permission)
     {
         $this->permissions()->attach($permission->id);
     }
 
     /**
      * Detach a single permission from this role.
-     * @param Permission $permission
+     * @param RolePermission $permission
      */
-    public function detachPermission(Permission $permission)
+    public function detachPermission(RolePermission $permission)
     {
         $this->permissions()->detach($permission->id);
     }
@@ -55,10 +66,30 @@ class Role extends Model
     /**
      * Get the role object for the specified role.
      * @param $roleName
-     * @return mixed
+     * @return Role
      */
     public static function getRole($roleName)
     {
         return static::where('name', '=', $roleName)->first();
     }
+
+    /**
+     * Get the role object for the specified system role.
+     * @param $roleName
+     * @return Role
+     */
+    public static function getSystemRole($roleName)
+    {
+        return static::where('system_name', '=', $roleName)->first();
+    }
+
+    /**
+     * Get all visible roles
+     * @return mixed
+     */
+    public static function visible()
+    {
+        return static::where('hidden', '=', false)->orderBy('name')->get();
+    }
+
 }

app/RolePermission.php

@@ -1,22 +1,19 @@
-<?php
+<?php namespace BookStack;
 
-namespace BookStack;
 
-use Illuminate\Database\Eloquent\Model;
-
-class Permission extends Model
+class RolePermission extends Model
 {
     /**
      * The roles that belong to the permission.
      */
     public function roles()
     {
-        return $this->belongsToMany('BookStack\Role');
+        return $this->belongsToMany(Role::class, 'permission_role','permission_id', 'role_id');
     }
 
     /**
      * Get the permission object by name.
-     * @param $roleName
+     * @param $name
      * @return mixed
      */
     public static function getByName($name)

app/SearchTerm.php

@@ -0,0 +1,18 @@
+<?php namespace BookStack;
+
+class SearchTerm extends Model
+{
+
+    protected $fillable = ['term', 'entity_id', 'entity_type', 'score'];
+    public $timestamps = false;
+
+    /**
+     * Get the entity that this term belongs to
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function entity()
+    {
+        return $this->morphTo('entity');
+    }
+
+}

app/Services/ActivityService.php

@@ -8,18 +8,18 @@ class ActivityService
 {
     protected $activity;
     protected $user;
-    protected $restrictionService;
+    protected $permissionService;
 
     /**
      * ActivityService constructor.
      * @param Activity $activity
-     * @param RestrictionService $restrictionService
+     * @param PermissionService $permissionService
      */
-    public function __construct(Activity $activity, RestrictionService $restrictionService)
+    public function __construct(Activity $activity, PermissionService $permissionService)
     {
         $this->activity = $activity;
-        $this->restrictionService = $restrictionService;
-        $this->user = auth()->user();
+        $this->permissionService = $permissionService;
+        $this->user = user();
     }
 
     /**
@@ -88,9 +88,9 @@ class ActivityService
      */
     public function latest($count = 20, $page = 0)
     {
-        $activityList = $this->restrictionService
+        $activityList = $this->permissionService
             ->filterRestrictedEntityRelations($this->activity, 'activities', 'entity_id', 'entity_type')
-            ->orderBy('created_at', 'desc')->skip($count * $page)->take($count)->get();
+            ->orderBy('created_at', 'desc')->with('user', 'entity')->skip($count * $page)->take($count)->get();
 
         return $this->filterSimilar($activityList);
     }
@@ -105,8 +105,16 @@ class ActivityService
      */
     public function entityActivity($entity, $count = 20, $page = 0)
     {
-        $activity = $entity->hasMany('BookStack\Activity')->orderBy('created_at', 'desc')
-            ->skip($count * $page)->take($count)->get();
+        if ($entity->isA('book')) {
+            $query = $this->activity->where('book_id', '=', $entity->id);
+        } else {
+            $query = $this->activity->where('entity_type', '=', get_class($entity))
+                ->where('entity_id', '=', $entity->id);
+        }
+        
+        $activity = $this->permissionService
+            ->filterRestrictedEntityRelations($query, 'activities', 'entity_id', 'entity_type')
+            ->orderBy('created_at', 'desc')->with(['entity', 'user.avatar'])->skip($count * $page)->take($count)->get();
 
         return $this->filterSimilar($activity);
     }
@@ -121,7 +129,7 @@ class ActivityService
      */
     public function userActivity($user, $count = 20, $page = 0)
     {
-        $activityList = $this->restrictionService
+        $activityList = $this->permissionService
             ->filterRestrictedEntityRelations($this->activity, 'activities', 'entity_id', 'entity_type')
             ->orderBy('created_at', 'desc')->where('user_id', '=', $user->id)->skip($count * $page)->take($count)->get();
         return $this->filterSimilar($activityList);

app/Services/AttachmentService.php

@@ -0,0 +1,201 @@
+<?php namespace BookStack\Services;
+
+use BookStack\Exceptions\FileUploadException;
+use BookStack\Attachment;
+use Exception;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+
+class AttachmentService extends UploadService
+{
+
+    /**
+     * Get an attachment from storage.
+     * @param Attachment $attachment
+     * @return string
+     */
+    public function getAttachmentFromStorage(Attachment $attachment)
+    {
+        $attachmentPath = $this->getStorageBasePath() . $attachment->path;
+        return $this->getStorage()->get($attachmentPath);
+    }
+
+    /**
+     * Store a new attachment upon user upload.
+     * @param UploadedFile $uploadedFile
+     * @param int $page_id
+     * @return Attachment
+     * @throws FileUploadException
+     */
+    public function saveNewUpload(UploadedFile $uploadedFile, $page_id)
+    {
+        $attachmentName = $uploadedFile->getClientOriginalName();
+        $attachmentPath = $this->putFileInStorage($attachmentName, $uploadedFile);
+        $largestExistingOrder = Attachment::where('uploaded_to', '=', $page_id)->max('order');
+
+        $attachment = Attachment::forceCreate([
+            'name' => $attachmentName,
+            'path' => $attachmentPath,
+            'extension' => $uploadedFile->getClientOriginalExtension(),
+            'uploaded_to' => $page_id,
+            'created_by' => user()->id,
+            'updated_by' => user()->id,
+            'order' => $largestExistingOrder + 1
+        ]);
+
+        return $attachment;
+    }
+
+    /**
+     * Store a upload, saving to a file and deleting any existing uploads
+     * attached to that file.
+     * @param UploadedFile $uploadedFile
+     * @param Attachment $attachment
+     * @return Attachment
+     * @throws FileUploadException
+     */
+    public function saveUpdatedUpload(UploadedFile $uploadedFile, Attachment $attachment)
+    {
+        if (!$attachment->external) {
+            $this->deleteFileInStorage($attachment);
+        }
+
+        $attachmentName = $uploadedFile->getClientOriginalName();
+        $attachmentPath = $this->putFileInStorage($attachmentName, $uploadedFile);
+
+        $attachment->name = $attachmentName;
+        $attachment->path = $attachmentPath;
+        $attachment->external = false;
+        $attachment->extension = $uploadedFile->getClientOriginalExtension();
+        $attachment->save();
+        return $attachment;
+    }
+
+    /**
+     * Save a new File attachment from a given link and name.
+     * @param string $name
+     * @param string $link
+     * @param int $page_id
+     * @return Attachment
+     */
+    public function saveNewFromLink($name, $link, $page_id)
+    {
+        $largestExistingOrder = Attachment::where('uploaded_to', '=', $page_id)->max('order');
+        return Attachment::forceCreate([
+            'name' => $name,
+            'path' => $link,
+            'external' => true,
+            'extension' => '',
+            'uploaded_to' => $page_id,
+            'created_by' => user()->id,
+            'updated_by' => user()->id,
+            'order' => $largestExistingOrder + 1
+        ]);
+    }
+
+    /**
+     * Get the file storage base path, amended for storage type.
+     * This allows us to keep a generic path in the database.
+     * @return string
+     */
+    private function getStorageBasePath()
+    {
+        return $this->isLocal() ? 'storage/' : '';
+    }
+
+    /**
+     * Updates the file ordering for a listing of attached files.
+     * @param array $attachmentList
+     * @param $pageId
+     */
+    public function updateFileOrderWithinPage($attachmentList, $pageId)
+    {
+        foreach ($attachmentList as $index => $attachment) {
+            Attachment::where('uploaded_to', '=', $pageId)->where('id', '=', $attachment['id'])->update(['order' => $index]);
+        }
+    }
+
+
+    /**
+     * Update the details of a file.
+     * @param Attachment $attachment
+     * @param $requestData
+     * @return Attachment
+     */
+    public function updateFile(Attachment $attachment, $requestData)
+    {
+        $attachment->name = $requestData['name'];
+        if (isset($requestData['link']) && trim($requestData['link']) !== '') {
+            $attachment->path = $requestData['link'];
+            if (!$attachment->external) {
+                $this->deleteFileInStorage($attachment);
+                $attachment->external = true;
+            }
+        }
+        $attachment->save();
+        return $attachment;
+    }
+
+    /**
+     * Delete a File from the database and storage.
+     * @param Attachment $attachment
+     */
+    public function deleteFile(Attachment $attachment)
+    {
+        if ($attachment->external) {
+            $attachment->delete();
+            return;
+        }
+        
+        $this->deleteFileInStorage($attachment);
+        $attachment->delete();
+    }
+
+    /**
+     * Delete a file from the filesystem it sits on.
+     * Cleans any empty leftover folders.
+     * @param Attachment $attachment
+     */
+    protected function deleteFileInStorage(Attachment $attachment)
+    {
+        $storedFilePath = $this->getStorageBasePath() . $attachment->path;
+        $storage = $this->getStorage();
+        $dirPath = dirname($storedFilePath);
+
+        $storage->delete($storedFilePath);
+        if (count($storage->allFiles($dirPath)) === 0) {
+            $storage->deleteDirectory($dirPath);
+        }
+    }
+
+    /**
+     * Store a file in storage with the given filename
+     * @param $attachmentName
+     * @param UploadedFile $uploadedFile
+     * @return string
+     * @throws FileUploadException
+     */
+    protected function putFileInStorage($attachmentName, UploadedFile $uploadedFile)
+    {
+        $attachmentData = file_get_contents($uploadedFile->getRealPath());
+
+        $storage = $this->getStorage();
+        $attachmentBasePath = 'uploads/files/' . Date('Y-m-M') . '/';
+        $storageBasePath = $this->getStorageBasePath() . $attachmentBasePath;
+
+        $uploadFileName = $attachmentName;
+        while ($storage->exists($storageBasePath . $uploadFileName)) {
+            $uploadFileName = str_random(3) . $uploadFileName;
+        }
+
+        $attachmentPath = $attachmentBasePath . $uploadFileName;
+        $attachmentStoragePath = $this->getStorageBasePath() . $attachmentPath;
+
+        try {
+            $storage->put($attachmentStoragePath, $attachmentData);
+        } catch (Exception $e) {
+            throw new FileUploadException(trans('errors.path_not_writable', ['filePath' => $attachmentStoragePath]));
+        }
+        return $attachmentPath;
+    }
+
+}

app/Services/EmailConfirmationService.php

@@ -1,30 +1,27 @@
 <?php namespace BookStack\Services;
 
-
+use BookStack\Notifications\ConfirmEmail;
+use BookStack\Repos\UserRepo;
 use Carbon\Carbon;
-use Illuminate\Contracts\Mail\Mailer;
-use Illuminate\Mail\Message;
-use BookStack\EmailConfirmation;
 use BookStack\Exceptions\ConfirmationEmailException;
 use BookStack\Exceptions\UserRegistrationException;
-use BookStack\Repos\UserRepo;
-use BookStack\Setting;
 use BookStack\User;
+use Illuminate\Database\Connection as Database;
 
 class EmailConfirmationService
 {
-    protected $mailer;
-    protected $emailConfirmation;
+    protected $db;
+    protected $users;
 
     /**
      * EmailConfirmationService constructor.
-     * @param Mailer            $mailer
-     * @param EmailConfirmation $emailConfirmation
+     * @param Database $db
+     * @param UserRepo $users
      */
-    public function __construct(Mailer $mailer, EmailConfirmation $emailConfirmation)
+    public function __construct(Database $db, UserRepo $users)
     {
-        $this->mailer = $mailer;
-        $this->emailConfirmation = $emailConfirmation;
+        $this->db = $db;
+        $this->users = $users;
     }
 
     /**
@@ -36,45 +33,59 @@ class EmailConfirmationService
     public function sendConfirmation(User $user)
     {
         if ($user->email_confirmed) {
-            throw new ConfirmationEmailException('Email has already been confirmed, Try logging in.', '/login');
+            throw new ConfirmationEmailException(trans('errors.email_already_confirmed'), '/login');
         }
+
         $this->deleteConfirmationsByUser($user);
+        $token = $this->createEmailConfirmation($user);
+
+        $user->notify(new ConfirmEmail($token));
+    }
+
+    /**
+     * Creates a new email confirmation in the database and returns the token.
+     * @param User $user
+     * @return string
+     */
+    public function createEmailConfirmation(User $user)
+    {
         $token = $this->getToken();
-        $this->emailConfirmation->create([
+        $this->db->table('email_confirmations')->insert([
             'user_id' => $user->id,
-            'token'   => $token,
+            'token' => $token,
+            'created_at' => Carbon::now(),
+            'updated_at' => Carbon::now()
         ]);
-        $this->mailer->send('emails/email-confirmation', ['token' => $token], function (Message $message) use ($user) {
-            $appName = setting('app-name', 'BookStack');
-            $message->to($user->email, $user->name)->subject('Confirm your email on ' . $appName . '.');
-        });
+        return $token;
     }
 
     /**
      * Gets an email confirmation by looking up the token,
      * Ensures the token has not expired.
      * @param string $token
-     * @return EmailConfirmation
+     * @return array|null|\stdClass
      * @throws UserRegistrationException
      */
     public function getEmailConfirmationFromToken($token)
     {
-        $emailConfirmation = $this->emailConfirmation->where('token', '=', $token)->first();
-        // If not found
+        $emailConfirmation = $this->db->table('email_confirmations')->where('token', '=', $token)->first();
+
+        // If not found show error
         if ($emailConfirmation === null) {
-            throw new UserRegistrationException('This confirmation token is not valid or has already been used, Please try registering again.', '/register');
+            throw new UserRegistrationException(trans('errors.email_confirmation_invalid'), '/register');
         }
 
         // If more than a day old
-        if (Carbon::now()->subDay()->gt($emailConfirmation->created_at)) {
-            $this->sendConfirmation($emailConfirmation->user);
-            throw new UserRegistrationException('The confirmation token has expired, A new confirmation email has been sent.', '/register/confirm');
+        if (Carbon::now()->subDay()->gt(new Carbon($emailConfirmation->created_at))) {
+            $user = $this->users->getById($emailConfirmation->user_id);
+            $this->sendConfirmation($user);
+            throw new UserRegistrationException(trans('errors.email_confirmation_expired'), '/register/confirm');
         }
 
+        $emailConfirmation->user = $this->users->getById($emailConfirmation->user_id);
         return $emailConfirmation;
     }
 
-
     /**
      * Delete all email confirmations that belong to a user.
      * @param User $user
@@ -82,7 +93,7 @@ class EmailConfirmationService
      */
     public function deleteConfirmationsByUser(User $user)
     {
-        return $this->emailConfirmation->where('user_id', '=', $user->id)->delete();
+        return $this->db->table('email_confirmations')->where('user_id', '=', $user->id)->delete();
     }
 
     /**
@@ -92,7 +103,7 @@ class EmailConfirmationService
     protected function getToken()
     {
         $token = str_random(24);
-        while ($this->emailConfirmation->where('token', '=', $token)->exists()) {
+        while ($this->db->table('email_confirmations')->where('token', '=', $token)->exists()) {
             $token = str_random(25);
         }
         return $token;

app/Services/ExportService.php

@@ -1,11 +1,24 @@
 <?php namespace BookStack\Services;
 
-
+use BookStack\Book;
+use BookStack\Chapter;
 use BookStack\Page;
+use BookStack\Repos\EntityRepo;
 
 class ExportService
 {
 
+    protected $entityRepo;
+
+    /**
+     * ExportService constructor.
+     * @param $entityRepo
+     */
+    public function __construct(EntityRepo $entityRepo)
+    {
+        $this->entityRepo = $entityRepo;
+    }
+
     /**
      * Convert a page to a self-contained HTML file.
      * Includes required CSS & image content. Images are base64 encoded into the HTML.
@@ -14,22 +27,108 @@ class ExportService
      */
     public function pageToContainedHtml(Page $page)
     {
-        $cssContent = file_get_contents(public_path('/css/export-styles.css'));
-        $pageHtml = view('pages/export', ['page' => $page, 'css' => $cssContent])->render();
+        $this->entityRepo->renderPage($page);
+        $pageHtml = view('pages/export', [
+            'page' => $page
+        ])->render();
         return $this->containHtml($pageHtml);
     }
 
     /**
-     * Convert a page to a pdf file.
+     * Convert a chapter to a self-contained HTML file.
+     * @param Chapter $chapter
+     * @return mixed|string
+     */
+    public function chapterToContainedHtml(Chapter $chapter)
+    {
+        $pages = $this->entityRepo->getChapterChildren($chapter);
+        $pages->each(function($page) {
+            $page->html = $this->entityRepo->renderPage($page);
+        });
+        $html = view('chapters/export', [
+            'chapter' => $chapter,
+            'pages' => $pages
+        ])->render();
+        return $this->containHtml($html);
+    }
+
+    /**
+     * Convert a book to a self-contained HTML file.
+     * @param Book $book
+     * @return mixed|string
+     */
+    public function bookToContainedHtml(Book $book)
+    {
+        $bookTree = $this->entityRepo->getBookChildren($book, true, true);
+        $html = view('books/export', [
+            'book' => $book,
+            'bookChildren' => $bookTree
+        ])->render();
+        return $this->containHtml($html);
+    }
+
+    /**
+     * Convert a page to a PDF file.
      * @param Page $page
      * @return mixed|string
      */
     public function pageToPdf(Page $page)
     {
-        $cssContent = file_get_contents(public_path('/css/export-styles.css'));
-        $pageHtml = view('pages/pdf', ['page' => $page, 'css' => $cssContent])->render();
-        $containedHtml = $this->containHtml($pageHtml);
-        $pdf = \PDF::loadHTML($containedHtml);
+        $this->entityRepo->renderPage($page);
+        $html = view('pages/pdf', [
+            'page' => $page
+        ])->render();
+        return $this->htmlToPdf($html);
+    }
+
+    /**
+     * Convert a chapter to a PDF file.
+     * @param Chapter $chapter
+     * @return mixed|string
+     */
+    public function chapterToPdf(Chapter $chapter)
+    {
+        $pages = $this->entityRepo->getChapterChildren($chapter);
+        $pages->each(function($page) {
+            $page->html = $this->entityRepo->renderPage($page);
+        });
+        $html = view('chapters/export', [
+            'chapter' => $chapter,
+            'pages' => $pages
+        ])->render();
+        return $this->htmlToPdf($html);
+    }
+
+    /**
+     * Convert a book to a PDF file
+     * @param Book $book
+     * @return string
+     */
+    public function bookToPdf(Book $book)
+    {
+        $bookTree = $this->entityRepo->getBookChildren($book, true, true);
+        $html = view('books/export', [
+            'book' => $book,
+            'bookChildren' => $bookTree
+        ])->render();
+        return $this->htmlToPdf($html);
+    }
+
+    /**
+     * Convert normal webpage HTML to a PDF.
+     * @param $html
+     * @return string
+     */
+    protected function htmlToPdf($html)
+    {
+        $containedHtml = $this->containHtml($html);
+        $useWKHTML = config('snappy.pdf.binary') !== false;
+        if ($useWKHTML) {
+            $pdf = \SnappyPDF::loadHTML($containedHtml);
+            $pdf->setOption('print-media-type', true);
+        } else {
+            $pdf = \PDF::loadHTML($containedHtml);
+        }
         return $pdf->output();
     }
 
@@ -37,6 +136,7 @@ class ExportService
      * Bundle of the contents of a html file to be self-contained.
      * @param $htmlContent
      * @return mixed|string
+     * @throws \Exception
      */
     protected function containHtml($htmlContent)
     {
@@ -48,14 +148,38 @@ class ExportService
             foreach ($imageTagsOutput[0] as $index => $imgMatch) {
                 $oldImgString = $imgMatch;
                 $srcString = $imageTagsOutput[2][$index];
-                if (strpos(trim($srcString), 'http') !== 0) {
-                    $pathString = public_path($srcString);
+                $isLocal = strpos(trim($srcString), 'http') !== 0;
+                if ($isLocal) {
+                    $pathString = public_path(trim($srcString, '/'));
                 } else {
                     $pathString = $srcString;
                 }
-                $imageContent = file_get_contents($pathString);
-                $imageEncoded = 'data:image/' . pathinfo($pathString, PATHINFO_EXTENSION) . ';base64,' . base64_encode($imageContent);
-                $newImageString = str_replace($srcString, $imageEncoded, $oldImgString);
+
+                // Attempt to find local files even if url not absolute
+                $base = baseUrl('/');
+                if (strpos($srcString, $base) === 0) {
+                    $isLocal = true;
+                    $relString = str_replace($base, '', $srcString);
+                    $pathString = public_path(trim($relString, '/'));
+                }
+
+                if ($isLocal && !file_exists($pathString)) continue;
+                try {
+                    if ($isLocal) {
+                        $imageContent = file_get_contents($pathString);
+                    } else {
+                        $ch = curl_init();
+                        curl_setopt_array($ch, [CURLOPT_URL => $pathString, CURLOPT_RETURNTRANSFER => 1, CURLOPT_CONNECTTIMEOUT => 5]);
+                        $imageContent = curl_exec($ch);
+                        $err = curl_error($ch);
+                        curl_close($ch);
+                        if ($err) throw new \Exception("Image fetch failed, Received error: " . $err);
+                    }
+                    $imageEncoded = 'data:image/' . pathinfo($pathString, PATHINFO_EXTENSION) . ';base64,' . base64_encode($imageContent);
+                    $newImageString = str_replace($srcString, $imageEncoded, $oldImgString);
+                } catch (\ErrorException $e) {
+                    $newImageString = '';
+                }
                 $htmlContent = str_replace($oldImgString, $newImageString, $htmlContent);
             }
         }
@@ -82,14 +206,14 @@ class ExportService
 
     /**
      * Converts the page contents into simple plain text.
-     * This method filters any bad looking content to
-     * provide a nice final output.
+     * This method filters any bad looking content to provide a nice final output.
      * @param Page $page
      * @return mixed
      */
     public function pageToPlainText(Page $page)
     {
-        $text = $page->text;
+        $html = $this->entityRepo->renderPage($page);
+        $text = strip_tags($html);
         // Replace multiple spaces with single spaces
         $text = preg_replace('/\ {2,}/', ' ', $text);
         // Reduce multiple horrid whitespace characters.
@@ -100,6 +224,40 @@ class ExportService
         return $text;
     }
 
+    /**
+     * Convert a chapter into a plain text string.
+     * @param Chapter $chapter
+     * @return string
+     */
+    public function chapterToPlainText(Chapter $chapter)
+    {
+        $text = $chapter->name . "\n\n";
+        $text .= $chapter->description . "\n\n";
+        foreach ($chapter->pages as $page) {
+            $text .= $this->pageToPlainText($page);
+        }
+        return $text;
+    }
+
+    /**
+     * Convert a book into a plain text string.
+     * @param Book $book
+     * @return string
+     */
+    public function bookToPlainText(Book $book)
+    {
+        $bookTree = $this->entityRepo->getBookChildren($book, true, true);
+        $text = $book->name . "\n\n";
+        foreach ($bookTree as $bookChild) {
+            if ($bookChild->isA('chapter')) {
+                $text .= $this->chapterToPlainText($bookChild);
+            } else {
+                $text .= $this->pageToPlainText($bookChild);
+            }
+        }
+        return $text;
+    }
+
 }
 
 

app/Services/ImageService.php

@@ -9,20 +9,13 @@ use Intervention\Image\ImageManager;
 use Illuminate\Contracts\Filesystem\Factory as FileSystem;
 use Illuminate\Contracts\Filesystem\Filesystem as FileSystemInstance;
 use Illuminate\Contracts\Cache\Repository as Cache;
-use Setting;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
 
-class ImageService
+class ImageService extends UploadService
 {
 
     protected $imageTool;
-    protected $fileSystem;
     protected $cache;
-
-    /**
-     * @var FileSystemInstance
-     */
-    protected $storageInstance;
     protected $storageUrl;
 
     /**
@@ -34,8 +27,8 @@ class ImageService
     public function __construct(ImageManager $imageTool, FileSystem $fileSystem, Cache $cache)
     {
         $this->imageTool = $imageTool;
-        $this->fileSystem = $fileSystem;
         $this->cache = $cache;
+        parent::__construct($fileSystem);
     }
 
     /**
@@ -66,7 +59,7 @@ class ImageService
     {
         $imageName = $imageName ? $imageName : basename($url);
         $imageData = file_get_contents($url);
-        if($imageData === false) throw new \Exception('Cannot get image from ' . $url);
+        if($imageData === false) throw new \Exception(trans('errors.cannot_get_image_from_url', ['url' => $url]));
         return $this->saveNew($imageName, $imageData, $type);
     }
 
@@ -88,6 +81,9 @@ class ImageService
         if ($secureUploads) $imageName = str_random(16) . '-' . $imageName;
 
         $imagePath = '/uploads/images/' . $type . '/' . Date('Y-m-M') . '/';
+
+        if ($this->isLocal()) $imagePath = '/public' . $imagePath;
+
         while ($storage->exists($imagePath . $imageName)) {
             $imageName = str_random(3) . $imageName;
         }
@@ -95,10 +91,13 @@ class ImageService
 
         try {
             $storage->put($fullPath, $imageData);
+            $storage->setVisibility($fullPath, 'public');
         } catch (Exception $e) {
-            throw new ImageUploadException('Image Path ' . $fullPath . ' is not writable by the server.');
+            throw new ImageUploadException(trans('errors.path_not_writable', ['filePath' => $fullPath]));
         }
 
+        if ($this->isLocal()) $fullPath = str_replace_first('/public', '', $fullPath);
+
         $imageDetails = [
             'name'       => $imageName,
             'path'       => $fullPath,
@@ -107,8 +106,8 @@ class ImageService
             'uploaded_to' => $uploadedTo
         ];
 
-        if (auth()->user() && auth()->user()->id !== 0) {
-            $userId = auth()->user()->id;
+        if (user()->id !== 0) {
+            $userId = user()->id;
             $imageDetails['created_by'] = $userId;
             $imageDetails['updated_by'] = $userId;
         }
@@ -118,6 +117,16 @@ class ImageService
         return $image;
     }
 
+    /**
+     * Get the storage path, Dependant of storage type.
+     * @param Image $image
+     * @return mixed|string
+     */
+    protected function getPath(Image $image)
+    {
+        return ($this->isLocal()) ? ('public/' . $image->path) : $image->path;
+    }
+
     /**
      * Get the thumbnail for an image.
      * If $keepRatio is true only the width will be used.
@@ -134,7 +143,8 @@ class ImageService
     public function getThumbnail(Image $image, $width = 220, $height = 220, $keepRatio = false)
     {
         $thumbDirName = '/' . ($keepRatio ? 'scaled-' : 'thumbs-') . $width . '-' . $height . '/';
-        $thumbFilePath = dirname($image->path) . $thumbDirName . basename($image->path);
+        $imagePath = $this->getPath($image);
+        $thumbFilePath = dirname($imagePath) . $thumbDirName . basename($imagePath);
 
         if ($this->cache->has('images-' . $image->id . '-' . $thumbFilePath) && $this->cache->get('images-' . $thumbFilePath)) {
             return $this->getPublicUrl($thumbFilePath);
@@ -147,10 +157,10 @@ class ImageService
         }
 
         try {
-            $thumb = $this->imageTool->make($storage->get($image->path));
+            $thumb = $this->imageTool->make($storage->get($imagePath));
         } catch (Exception $e) {
             if ($e instanceof \ErrorException || $e instanceof NotSupportedException) {
-                throw new ImageUploadException('The server cannot create thumbnails. Please check you have the GD PHP extension installed.');
+                throw new ImageUploadException(trans('errors.cannot_create_thumbs'));
             } else {
                 throw $e;
             }
@@ -167,6 +177,7 @@ class ImageService
 
         $thumbData = (string)$thumb->encode();
         $storage->put($thumbFilePath, $thumbData);
+        $storage->setVisibility($thumbFilePath, 'public');
         $this->cache->put('images-' . $image->id . '-' . $thumbFilePath, $thumbFilePath, 60 * 72);
 
         return $this->getPublicUrl($thumbFilePath);
@@ -181,8 +192,8 @@ class ImageService
     {
         $storage = $this->getStorage();
 
-        $imageFolder = dirname($image->path);
-        $imageFileName = basename($image->path);
+        $imageFolder = dirname($this->getPath($image));
+        $imageFileName = basename($this->getPath($image));
         $allImages = collect($storage->allFiles($imageFolder));
 
         $imagesToDelete = $allImages->filter(function ($imagePath) use ($imageFileName) {
@@ -211,7 +222,7 @@ class ImageService
     public function saveUserGravatar(User $user, $size = 500)
     {
         $emailHash = md5(strtolower(trim($user->email)));
-        $url = 'http://www.gravatar.com/avatar/' . $emailHash . '?s=' . $size . '&d=identicon';
+        $url = 'https://www.gravatar.com/avatar/' . $emailHash . '?s=' . $size . '&d=identicon';
         $imageName = str_replace(' ', '-', $user->name . '-gravatar.png');
         $image = $this->saveNewFromUrl($url, 'user', $imageName);
         $image->created_by = $user->id;
@@ -220,35 +231,9 @@ class ImageService
         return $image;
     }
 
-    /**
-     * Get the storage that will be used for storing images.
-     * @return FileSystemInstance
-     */
-    private function getStorage()
-    {
-        if ($this->storageInstance !== null) return $this->storageInstance;
-
-        $storageType = config('filesystems.default');
-        $this->storageInstance = $this->fileSystem->disk($storageType);
-
-        return $this->storageInstance;
-    }
-
-    /**
-     * Check whether or not a folder is empty.
-     * @param $path
-     * @return int
-     */
-    private function isFolderEmpty($path)
-    {
-        $files = $this->getStorage()->files($path);
-        $folders = $this->getStorage()->directories($path);
-        return count($files) === 0 && count($folders) === 0;
-    }
-
     /**
      * Gets a public facing url for an image by checking relevant environment variables.
-     * @param $filePath
+     * @param string $filePath
      * @return string
      */
     private function getPublicUrl($filePath)
@@ -257,16 +242,24 @@ class ImageService
             $storageUrl = config('filesystems.url');
 
             // Get the standard public s3 url if s3 is set as storage type
+            // Uses the nice, short URL if bucket name has no periods in otherwise the longer
+            // region-based url will be used to prevent http issues.
             if ($storageUrl == false && config('filesystems.default') === 's3') {
                 $storageDetails = config('filesystems.disks.s3');
-                $storageUrl = 'https://s3-' . $storageDetails['region'] . '.amazonaws.com/' . $storageDetails['bucket'];
+                if (strpos($storageDetails['bucket'], '.') === false) {
+                    $storageUrl = 'https://' . $storageDetails['bucket'] . '.s3.amazonaws.com';
+                } else {
+                    $storageUrl = 'https://s3-' . $storageDetails['region'] . '.amazonaws.com/' . $storageDetails['bucket'];
+                }
             }
 
             $this->storageUrl = $storageUrl;
         }
 
-        return ($this->storageUrl == false ? '' : rtrim($this->storageUrl, '/')) . $filePath;
+        if ($this->isLocal()) $filePath = str_replace_first('public/', '', $filePath);
+
+        return ($this->storageUrl == false ? rtrim(baseUrl(''), '/') : rtrim($this->storageUrl, '/')) . $filePath;
     }
 
 
-}
+}

app/Services/Ldap.php

@@ -33,6 +33,17 @@ class Ldap
         return ldap_set_option($ldapConnection, $option, $value);
     }
 
+    /**
+     * Set the version number for the given ldap connection.
+     * @param $ldapConnection
+     * @param $version
+     * @return bool
+     */
+    public function setVersion($ldapConnection, $version)
+    {
+        return $this->setOption($ldapConnection, LDAP_OPT_PROTOCOL_VERSION, $version);
+    }
+
     /**
      * Search LDAP tree using the provided filter.
      * @param resource   $ldapConnection
@@ -83,4 +94,4 @@ class Ldap
         return ldap_bind($ldapConnection, $bindRdn, $bindPassword);
     }
 
-}
+}

app/Services/LdapService.php

@@ -41,7 +41,10 @@ class LdapService
         // Find user
         $userFilter = $this->buildFilter($this->config['user_filter'], ['user' => $userName]);
         $baseDn = $this->config['base_dn'];
-        $users = $this->ldap->searchAndGetEntries($ldapConnection, $baseDn, $userFilter, ['cn', 'uid', 'dn', 'mail']);
+        $emailAttr = $this->config['email_attribute'];
+        $followReferrals = $this->config['follow_referrals'] ? 1 : 0;
+        $this->ldap->setOption($ldapConnection, LDAP_OPT_REFERRALS, $followReferrals);
+        $users = $this->ldap->searchAndGetEntries($ldapConnection, $baseDn, $userFilter, ['cn', 'uid', 'dn', $emailAttr]);
         if ($users['count'] === 0) return null;
 
         $user = $users[0];
@@ -49,7 +52,7 @@ class LdapService
             'uid'   => (isset($user['uid'])) ? $user['uid'][0] : $user['dn'],
             'name'  => $user['cn'][0],
             'dn'    => $user['dn'],
-            'email' => (isset($user['mail'])) ? $user['mail'][0] : null
+            'email' => (isset($user[$emailAttr])) ? (is_array($user[$emailAttr]) ? $user[$emailAttr][0] : $user[$emailAttr]) : null
         ];
     }
 
@@ -94,7 +97,7 @@ class LdapService
             $ldapBind = $this->ldap->bind($connection, $ldapDn, $ldapPass);
         }
 
-        if (!$ldapBind) throw new LdapException('LDAP access failed using ' . ($isAnonymous ? ' anonymous bind.' : ' given dn & pass details'));
+        if (!$ldapBind) throw new LdapException(($isAnonymous ? trans('errors.ldap_fail_anonymous') : trans('errors.ldap_fail_authed')));
     }
 
     /**
@@ -109,20 +112,24 @@ class LdapService
 
         // Check LDAP extension in installed
         if (!function_exists('ldap_connect') && config('app.env') !== 'testing') {
-            throw new LdapException('LDAP PHP extension not installed');
+            throw new LdapException(trans('errors.ldap_extension_not_installed'));
         }
 
-        // Get port from server string if specified.
+        // Get port from server string and protocol if specified.
         $ldapServer = explode(':', $this->config['server']);
-        $ldapConnection = $this->ldap->connect($ldapServer[0], count($ldapServer) > 1 ? $ldapServer[1] : 389);
+        $hasProtocol = preg_match('/^ldaps{0,1}\:\/\//', $this->config['server']) === 1;
+        if (!$hasProtocol) array_unshift($ldapServer, '');
+        $hostName = $ldapServer[0] . ($hasProtocol?':':'') . $ldapServer[1];
+        $defaultPort = $ldapServer[0] === 'ldaps' ? 636 : 389;
+        $ldapConnection = $this->ldap->connect($hostName, count($ldapServer) > 2 ? intval($ldapServer[2]) : $defaultPort);
 
         if ($ldapConnection === false) {
-            throw new LdapException('Cannot connect to ldap server, Initial connection failed');
+            throw new LdapException(trans('errors.ldap_cannot_connect'));
         }
 
         // Set any required options
         if ($this->config['version']) {
-            $this->ldap->setOption($ldapConnection, LDAP_OPT_PROTOCOL_VERSION, $this->config['version']);
+            $this->ldap->setVersion($ldapConnection, $this->config['version']);
         }
 
         $this->ldapConnection = $ldapConnection;

app/Services/PermissionService.php

@@ -0,0 +1,714 @@
+<?php namespace BookStack\Services;
+
+use BookStack\Book;
+use BookStack\Chapter;
+use BookStack\Entity;
+use BookStack\EntityPermission;
+use BookStack\JointPermission;
+use BookStack\Ownable;
+use BookStack\Page;
+use BookStack\Role;
+use BookStack\User;
+use Illuminate\Database\Connection;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Query\Builder as QueryBuilder;
+use Illuminate\Support\Collection;
+
+class PermissionService
+{
+
+    protected $currentAction;
+    protected $isAdminUser;
+    protected $userRoles = false;
+    protected $currentUserModel = false;
+
+    public $book;
+    public $chapter;
+    public $page;
+
+    protected $db;
+
+    protected $jointPermission;
+    protected $role;
+    protected $entityPermission;
+
+    protected $entityCache;
+
+    /**
+     * PermissionService constructor.
+     * @param JointPermission $jointPermission
+     * @param EntityPermission $entityPermission
+     * @param Connection $db
+     * @param Book $book
+     * @param Chapter $chapter
+     * @param Page $page
+     * @param Role $role
+     */
+    public function __construct(JointPermission $jointPermission, EntityPermission $entityPermission, Connection $db, Book $book, Chapter $chapter, Page $page, Role $role)
+    {
+        $this->db = $db;
+        $this->jointPermission = $jointPermission;
+        $this->entityPermission = $entityPermission;
+        $this->role = $role;
+        $this->book = $book;
+        $this->chapter = $chapter;
+        $this->page = $page;
+        // TODO - Update so admin still goes through filters
+    }
+
+    /**
+     * Set the database connection
+     * @param Connection $connection
+     */
+    public function setConnection(Connection $connection)
+    {
+        $this->db = $connection;
+    }
+
+    /**
+     * Prepare the local entity cache and ensure it's empty
+     */
+    protected function readyEntityCache()
+    {
+        $this->entityCache = [
+            'books' => collect(),
+            'chapters' => collect()
+        ];
+    }
+
+    /**
+     * Get a book via ID, Checks local cache
+     * @param $bookId
+     * @return Book
+     */
+    protected function getBook($bookId)
+    {
+        if (isset($this->entityCache['books']) && $this->entityCache['books']->has($bookId)) {
+            return $this->entityCache['books']->get($bookId);
+        }
+
+        $book = $this->book->find($bookId);
+        if ($book === null) $book = false;
+        if (isset($this->entityCache['books'])) {
+            $this->entityCache['books']->put($bookId, $book);
+        }
+
+        return $book;
+    }
+
+    /**
+     * Get a chapter via ID, Checks local cache
+     * @param $chapterId
+     * @return Book
+     */
+    protected function getChapter($chapterId)
+    {
+        if (isset($this->entityCache['chapters']) && $this->entityCache['chapters']->has($chapterId)) {
+            return $this->entityCache['chapters']->get($chapterId);
+        }
+
+        $chapter = $this->chapter->find($chapterId);
+        if ($chapter === null) $chapter = false;
+        if (isset($this->entityCache['chapters'])) {
+            $this->entityCache['chapters']->put($chapterId, $chapter);
+        }
+
+        return $chapter;
+    }
+
+    /**
+     * Get the roles for the current user;
+     * @return array|bool
+     */
+    protected function getRoles()
+    {
+        if ($this->userRoles !== false) return $this->userRoles;
+
+        $roles = [];
+
+        if (auth()->guest()) {
+            $roles[] = $this->role->getSystemRole('public')->id;
+            return $roles;
+        }
+
+
+        foreach ($this->currentUser()->roles as $role) {
+            $roles[] = $role->id;
+        }
+        return $roles;
+    }
+
+    /**
+     * Re-generate all entity permission from scratch.
+     */
+    public function buildJointPermissions()
+    {
+        $this->jointPermission->truncate();
+        $this->readyEntityCache();
+
+        // Get all roles (Should be the most limited dimension)
+        $roles = $this->role->with('permissions')->get()->all();
+
+        // Chunk through all books
+        $this->bookFetchQuery()->chunk(5, function ($books) use ($roles) {
+            $this->buildJointPermissionsForBooks($books, $roles);
+        });
+    }
+
+    /**
+     * Get a query for fetching a book with it's children.
+     * @return QueryBuilder
+     */
+    protected function bookFetchQuery()
+    {
+        return $this->book->newQuery()->select(['id', 'restricted', 'created_by'])->with(['chapters' => function($query) {
+            $query->select(['id', 'restricted', 'created_by', 'book_id']);
+        }, 'pages'  => function($query) {
+            $query->select(['id', 'restricted', 'created_by', 'book_id', 'chapter_id']);
+        }]);
+    }
+
+    /**
+     * Build joint permissions for an array of books
+     * @param Collection $books
+     * @param array $roles
+     * @param bool $deleteOld
+     */
+    protected function buildJointPermissionsForBooks($books, $roles, $deleteOld = false) {
+        $entities = clone $books;
+
+        /** @var Book $book */
+        foreach ($books->all() as $book) {
+            foreach ($book->getRelation('chapters') as $chapter) {
+                $entities->push($chapter);
+            }
+            foreach ($book->getRelation('pages') as $page) {
+                $entities->push($page);
+            }
+        }
+
+        if ($deleteOld) $this->deleteManyJointPermissionsForEntities($entities->all());
+        $this->createManyJointPermissions($entities, $roles);
+    }
+
+    /**
+     * Rebuild the entity jointPermissions for a particular entity.
+     * @param Entity $entity
+     */
+    public function buildJointPermissionsForEntity(Entity $entity)
+    {
+        $entities = [$entity];
+        if ($entity->isA('book')) {
+            $books = $this->bookFetchQuery()->where('id', '=', $entity->id)->get();
+            $this->buildJointPermissionsForBooks($books, $this->role->newQuery()->get(), true);
+            return;
+        }
+
+        $entities[] = $entity->book;
+        if ($entity->isA('page') && $entity->chapter_id) $entities[] = $entity->chapter;
+        if ($entity->isA('chapter')) {
+            foreach ($entity->pages as $page) {
+                $entities[] = $page;
+            }
+        }
+        $this->deleteManyJointPermissionsForEntities($entities);
+        $this->buildJointPermissionsForEntities(collect($entities));
+    }
+
+    /**
+     * Rebuild the entity jointPermissions for a collection of entities.
+     * @param Collection $entities
+     */
+    public function buildJointPermissionsForEntities(Collection $entities)
+    {
+        $roles = $this->role->newQuery()->get();
+        $this->deleteManyJointPermissionsForEntities($entities->all());
+        $this->createManyJointPermissions($entities, $roles);
+    }
+
+    /**
+     * Build the entity jointPermissions for a particular role.
+     * @param Role $role
+     */
+    public function buildJointPermissionForRole(Role $role)
+    {
+        $roles = [$role];
+        $this->deleteManyJointPermissionsForRoles($roles);
+
+        // Chunk through all books
+        $this->bookFetchQuery()->chunk(5, function ($books) use ($roles) {
+            $this->buildJointPermissionsForBooks($books, $roles);
+        });
+    }
+
+    /**
+     * Delete the entity jointPermissions attached to a particular role.
+     * @param Role $role
+     */
+    public function deleteJointPermissionsForRole(Role $role)
+    {
+        $this->deleteManyJointPermissionsForRoles([$role]);
+    }
+
+    /**
+     * Delete all of the entity jointPermissions for a list of entities.
+     * @param Role[] $roles
+     */
+    protected function deleteManyJointPermissionsForRoles($roles)
+    {
+        $roleIds = array_map(function($role) {
+            return $role->id;
+        }, $roles);
+        $this->jointPermission->newQuery()->whereIn('role_id', $roleIds)->delete();
+    }
+
+    /**
+     * Delete the entity jointPermissions for a particular entity.
+     * @param Entity $entity
+     */
+    public function deleteJointPermissionsForEntity(Entity $entity)
+    {
+        $this->deleteManyJointPermissionsForEntities([$entity]);
+    }
+
+    /**
+     * Delete all of the entity jointPermissions for a list of entities.
+     * @param Entity[] $entities
+     */
+    protected function deleteManyJointPermissionsForEntities($entities)
+    {
+        if (count($entities) === 0) return;
+
+        $this->db->transaction(function() use ($entities) {
+
+            foreach (array_chunk($entities, 1000) as $entityChunk) {
+                $query = $this->db->table('joint_permissions');
+                foreach ($entityChunk as $entity) {
+                    $query->orWhere(function(QueryBuilder $query) use ($entity) {
+                        $query->where('entity_id', '=', $entity->id)
+                            ->where('entity_type', '=', $entity->getMorphClass());
+                    });
+                }
+                $query->delete();
+            }
+
+        });
+    }
+
+    /**
+     * Create & Save entity jointPermissions for many entities and jointPermissions.
+     * @param Collection $entities
+     * @param array $roles
+     */
+    protected function createManyJointPermissions($entities, $roles)
+    {
+        $this->readyEntityCache();
+        $jointPermissions = [];
+
+        // Fetch Entity Permissions and create a mapping of entity restricted statuses
+        $entityRestrictedMap = [];
+        $permissionFetch = $this->entityPermission->newQuery();
+        foreach ($entities as $entity) {
+            $entityRestrictedMap[$entity->getMorphClass() . ':' . $entity->id] = boolval($entity->getRawAttribute('restricted'));
+            $permissionFetch->orWhere(function($query) use ($entity) {
+                $query->where('restrictable_id', '=', $entity->id)->where('restrictable_type', '=', $entity->getMorphClass());
+            });
+        }
+        $permissions = $permissionFetch->get();
+
+        // Create a mapping of explicit entity permissions
+        $permissionMap = [];
+        foreach ($permissions as $permission) {
+            $key = $permission->restrictable_type . ':' . $permission->restrictable_id . ':' . $permission->role_id . ':' . $permission->action;
+            $isRestricted = $entityRestrictedMap[$permission->restrictable_type . ':' . $permission->restrictable_id];
+            $permissionMap[$key] = $isRestricted;
+        }
+
+        // Create a mapping of role permissions
+        $rolePermissionMap = [];
+        foreach ($roles as $role) {
+            foreach ($role->getRelationValue('permissions') as $permission) {
+                $rolePermissionMap[$role->getRawAttribute('id') . ':' . $permission->getRawAttribute('name')] = true;
+            }
+        }
+
+        // Create Joint Permission Data
+        foreach ($entities as $entity) {
+            foreach ($roles as $role) {
+                foreach ($this->getActions($entity) as $action) {
+                    $jointPermissions[] = $this->createJointPermissionData($entity, $role, $action, $permissionMap, $rolePermissionMap);
+                }
+            }
+        }
+
+        $this->db->transaction(function() use ($jointPermissions) {
+            foreach (array_chunk($jointPermissions, 1000) as $jointPermissionChunk) {
+                $this->db->table('joint_permissions')->insert($jointPermissionChunk);
+            }
+        });
+    }
+
+
+    /**
+     * Get the actions related to an entity.
+     * @param Entity $entity
+     * @return array
+     */
+    protected function getActions(Entity $entity)
+    {
+        $baseActions = ['view', 'update', 'delete'];
+        if ($entity->isA('chapter') || $entity->isA('book')) $baseActions[] = 'page-create';
+        if ($entity->isA('book')) $baseActions[] = 'chapter-create';
+        return $baseActions;
+    }
+
+    /**
+     * Create entity permission data for an entity and role
+     * for a particular action.
+     * @param Entity $entity
+     * @param Role $role
+     * @param string $action
+     * @param array $permissionMap
+     * @param array $rolePermissionMap
+     * @return array
+     */
+    protected function createJointPermissionData(Entity $entity, Role $role, $action, $permissionMap, $rolePermissionMap)
+    {
+        $permissionPrefix = (strpos($action, '-') === false ? ($entity->getType() . '-') : '') . $action;
+        $roleHasPermission = isset($rolePermissionMap[$role->getRawAttribute('id') . ':' . $permissionPrefix . '-all']);
+        $roleHasPermissionOwn = isset($rolePermissionMap[$role->getRawAttribute('id') . ':' . $permissionPrefix . '-own']);
+        $explodedAction = explode('-', $action);
+        $restrictionAction = end($explodedAction);
+
+        if ($role->system_name === 'admin') {
+            return $this->createJointPermissionDataArray($entity, $role, $action, true, true);
+        }
+
+        if ($entity->restricted) {
+            $hasAccess = $this->mapHasActiveRestriction($permissionMap, $entity, $role, $restrictionAction);
+            return $this->createJointPermissionDataArray($entity, $role, $action, $hasAccess, $hasAccess);
+        }
+
+        if ($entity->isA('book')) {
+            return $this->createJointPermissionDataArray($entity, $role, $action, $roleHasPermission, $roleHasPermissionOwn);
+        }
+
+        // For chapters and pages, Check if explicit permissions are set on the Book.
+        $book = $this->getBook($entity->book_id);
+        $hasExplicitAccessToParents = $this->mapHasActiveRestriction($permissionMap, $book, $role, $restrictionAction);
+        $hasPermissiveAccessToParents = !$book->restricted;
+
+        // For pages with a chapter, Check if explicit permissions are set on the Chapter
+        if ($entity->isA('page') && $entity->chapter_id !== 0 && $entity->chapter_id !== '0') {
+            $chapter = $this->getChapter($entity->chapter_id);
+            $hasPermissiveAccessToParents = $hasPermissiveAccessToParents && !$chapter->restricted;
+            if ($chapter->restricted) {
+                $hasExplicitAccessToParents = $this->mapHasActiveRestriction($permissionMap, $chapter, $role, $restrictionAction);
+            }
+        }
+
+        return $this->createJointPermissionDataArray($entity, $role, $action,
+            ($hasExplicitAccessToParents || ($roleHasPermission && $hasPermissiveAccessToParents)),
+            ($hasExplicitAccessToParents || ($roleHasPermissionOwn && $hasPermissiveAccessToParents))
+        );
+    }
+
+    /**
+     * Check for an active restriction in an entity map.
+     * @param $entityMap
+     * @param Entity $entity
+     * @param Role $role
+     * @param $action
+     * @return bool
+     */
+    protected function mapHasActiveRestriction($entityMap, Entity $entity, Role $role, $action) {
+        $key = $entity->getMorphClass() . ':' . $entity->getRawAttribute('id') . ':' . $role->getRawAttribute('id') . ':' . $action;
+        return isset($entityMap[$key]) ? $entityMap[$key] : false;
+    }
+
+    /**
+     * Create an array of data with the information of an entity jointPermissions.
+     * Used to build data for bulk insertion.
+     * @param Entity $entity
+     * @param Role $role
+     * @param $action
+     * @param $permissionAll
+     * @param $permissionOwn
+     * @return array
+     */
+    protected function createJointPermissionDataArray(Entity $entity, Role $role, $action, $permissionAll, $permissionOwn)
+    {
+        return [
+            'role_id'            => $role->getRawAttribute('id'),
+            'entity_id'          => $entity->getRawAttribute('id'),
+            'entity_type'        => $entity->getMorphClass(),
+            'action'             => $action,
+            'has_permission'     => $permissionAll,
+            'has_permission_own' => $permissionOwn,
+            'created_by'         => $entity->getRawAttribute('created_by')
+        ];
+    }
+
+    /**
+     * Checks if an entity has a restriction set upon it.
+     * @param Ownable $ownable
+     * @param $permission
+     * @return bool
+     */
+    public function checkOwnableUserAccess(Ownable $ownable, $permission)
+    {
+        if ($this->isAdmin()) {
+            $this->clean();
+            return true;
+        }
+
+        $explodedPermission = explode('-', $permission);
+
+        $baseQuery = $ownable->where('id', '=', $ownable->id);
+        $action = end($explodedPermission);
+        $this->currentAction = $action;
+
+        $nonJointPermissions = ['restrictions', 'image', 'attachment', 'comment'];
+
+        // Handle non entity specific jointPermissions
+        if (in_array($explodedPermission[0], $nonJointPermissions)) {
+            $allPermission = $this->currentUser() && $this->currentUser()->can($permission . '-all');
+            $ownPermission = $this->currentUser() && $this->currentUser()->can($permission . '-own');
+            $this->currentAction = 'view';
+            $isOwner = $this->currentUser() && $this->currentUser()->id === $ownable->created_by;
+            return ($allPermission || ($isOwner && $ownPermission));
+        }
+
+        // Handle abnormal create jointPermissions
+        if ($action === 'create') {
+            $this->currentAction = $permission;
+        }
+
+        $q = $this->entityRestrictionQuery($baseQuery)->count() > 0;
+        $this->clean();
+        return $q;
+    }
+
+    /**
+     * Check if an entity has restrictions set on itself or its
+     * parent tree.
+     * @param Entity $entity
+     * @param $action
+     * @return bool|mixed
+     */
+    public function checkIfRestrictionsSet(Entity $entity, $action)
+    {
+        $this->currentAction = $action;
+        if ($entity->isA('page')) {
+            return $entity->restricted || ($entity->chapter && $entity->chapter->restricted) || $entity->book->restricted;
+        } elseif ($entity->isA('chapter')) {
+            return $entity->restricted || $entity->book->restricted;
+        } elseif ($entity->isA('book')) {
+            return $entity->restricted;
+        }
+    }
+
+    /**
+     * The general query filter to remove all entities
+     * that the current user does not have access to.
+     * @param $query
+     * @return mixed
+     */
+    protected function entityRestrictionQuery($query)
+    {
+        $q = $query->where(function ($parentQuery) {
+            $parentQuery->whereHas('jointPermissions', function ($permissionQuery) {
+                $permissionQuery->whereIn('role_id', $this->getRoles())
+                    ->where('action', '=', $this->currentAction)
+                    ->where(function ($query) {
+                        $query->where('has_permission', '=', true)
+                            ->orWhere(function ($query) {
+                                $query->where('has_permission_own', '=', true)
+                                    ->where('created_by', '=', $this->currentUser()->id);
+                            });
+                    });
+            });
+        });
+        $this->clean();
+        return $q;
+    }
+
+    /**
+     * Get the children of a book in an efficient single query, Filtered by the permission system.
+     * @param integer $book_id
+     * @param bool $filterDrafts
+     * @param bool $fetchPageContent
+     * @return QueryBuilder
+     */
+    public function bookChildrenQuery($book_id, $filterDrafts = false, $fetchPageContent = false) {
+        $pageSelect = $this->db->table('pages')->selectRaw($this->page->entityRawQuery($fetchPageContent))->where('book_id', '=', $book_id)->where(function($query) use ($filterDrafts) {
+            $query->where('draft', '=', 0);
+            if (!$filterDrafts) {
+                $query->orWhere(function($query) {
+                    $query->where('draft', '=', 1)->where('created_by', '=', $this->currentUser()->id);
+                });
+            }
+        });
+        $chapterSelect = $this->db->table('chapters')->selectRaw($this->chapter->entityRawQuery())->where('book_id', '=', $book_id);
+        $query = $this->db->query()->select('*')->from($this->db->raw("({$pageSelect->toSql()} UNION {$chapterSelect->toSql()}) AS U"))
+            ->mergeBindings($pageSelect)->mergeBindings($chapterSelect);
+
+        if (!$this->isAdmin()) {
+            $whereQuery = $this->db->table('joint_permissions as jp')->selectRaw('COUNT(*)')
+                ->whereRaw('jp.entity_id=U.id')->whereRaw('jp.entity_type=U.entity_type')
+                ->where('jp.action', '=', 'view')->whereIn('jp.role_id', $this->getRoles())
+                ->where(function($query) {
+                    $query->where('jp.has_permission', '=', 1)->orWhere(function($query) {
+                        $query->where('jp.has_permission_own', '=', 1)->where('jp.created_by', '=', $this->currentUser()->id);
+                    });
+                });
+            $query->whereRaw("({$whereQuery->toSql()}) > 0")->mergeBindings($whereQuery);
+        }
+
+        $query->orderBy('draft', 'desc')->orderBy('priority', 'asc');
+        $this->clean();
+        return  $query;
+    }
+
+    /**
+     * Add restrictions for a generic entity
+     * @param string $entityType
+     * @param Builder|Entity $query
+     * @param string $action
+     * @return Builder
+     */
+    public function enforceEntityRestrictions($entityType, $query, $action = 'view')
+    {
+        if (strtolower($entityType) === 'page') {
+            // Prevent drafts being visible to others.
+            $query = $query->where(function ($query) {
+                $query->where('draft', '=', false);
+                if ($this->currentUser()) {
+                    $query->orWhere(function ($query) {
+                        $query->where('draft', '=', true)->where('created_by', '=', $this->currentUser()->id);
+                    });
+                }
+            });
+        }
+
+        if ($this->isAdmin()) {
+            $this->clean();
+            return $query;
+        }
+
+        $this->currentAction = $action;
+        return $this->entityRestrictionQuery($query);
+    }
+
+    /**
+     * Filter items that have entities set as a polymorphic relation.
+     * @param $query
+     * @param string $tableName
+     * @param string $entityIdColumn
+     * @param string $entityTypeColumn
+     * @return mixed
+     */
+    public function filterRestrictedEntityRelations($query, $tableName, $entityIdColumn, $entityTypeColumn)
+    {
+        if ($this->isAdmin()) {
+            $this->clean();
+            return $query;
+        }
+
+        $this->currentAction = 'view';
+        $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn, 'entityTypeColumn' => $entityTypeColumn];
+
+        $q = $query->where(function ($query) use ($tableDetails) {
+            $query->whereExists(function ($permissionQuery) use (&$tableDetails) {
+                $permissionQuery->select('id')->from('joint_permissions')
+                    ->whereRaw('joint_permissions.entity_id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
+                    ->whereRaw('joint_permissions.entity_type=' . $tableDetails['tableName'] . '.' . $tableDetails['entityTypeColumn'])
+                    ->where('action', '=', $this->currentAction)
+                    ->whereIn('role_id', $this->getRoles())
+                    ->where(function ($query) {
+                        $query->where('has_permission', '=', true)->orWhere(function ($query) {
+                            $query->where('has_permission_own', '=', true)
+                                ->where('created_by', '=', $this->currentUser()->id);
+                        });
+                    });
+            });
+        });
+        $this->clean();
+        return $q;
+    }
+
+    /**
+     * Filters pages that are a direct relation to another item.
+     * @param $query
+     * @param $tableName
+     * @param $entityIdColumn
+     * @return mixed
+     */
+    public function filterRelatedPages($query, $tableName, $entityIdColumn)
+    {
+        if ($this->isAdmin()) {
+            $this->clean();
+            return $query;
+        }
+
+        $this->currentAction = 'view';
+        $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn];
+
+        $q = $query->where(function ($query) use ($tableDetails) {
+            $query->where(function ($query) use (&$tableDetails) {
+                $query->whereExists(function ($permissionQuery) use (&$tableDetails) {
+                    $permissionQuery->select('id')->from('joint_permissions')
+                        ->whereRaw('joint_permissions.entity_id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
+                        ->where('entity_type', '=', 'Bookstack\\Page')
+                        ->where('action', '=', $this->currentAction)
+                        ->whereIn('role_id', $this->getRoles())
+                        ->where(function ($query) {
+                            $query->where('has_permission', '=', true)->orWhere(function ($query) {
+                                $query->where('has_permission_own', '=', true)
+                                    ->where('created_by', '=', $this->currentUser()->id);
+                            });
+                        });
+                });
+            })->orWhere($tableDetails['entityIdColumn'], '=', 0);
+        });
+        $this->clean();
+        return $q;
+    }
+
+    /**
+     * Check if the current user is an admin.
+     * @return bool
+     */
+    private function isAdmin()
+    {
+        if ($this->isAdminUser === null) {
+            $this->isAdminUser = ($this->currentUser()->id !== null) ? $this->currentUser()->hasSystemRole('admin') : false;
+        }
+
+        return $this->isAdminUser;
+    }
+
+    /**
+     * Get the current user
+     * @return User
+     */
+    private function currentUser()
+    {
+        if ($this->currentUserModel === false) {
+            $this->currentUserModel = user();
+        }
+
+        return $this->currentUserModel;
+    }
+
+    /**
+     * Clean the cached user elements.
+     */
+    private function clean()
+    {
+        $this->currentUserModel = false;
+        $this->userRoles = false;
+        $this->isAdminUser = null;
+    }
+
+}

app/Services/RestrictionService.php

@@ -1,326 +0,0 @@
-<?php namespace BookStack\Services;
-
-use BookStack\Entity;
-
-class RestrictionService
-{
-
-    protected $userRoles;
-    protected $isAdmin;
-    protected $currentAction;
-    protected $currentUser;
-
-    /**
-     * RestrictionService constructor.
-     */
-    public function __construct()
-    {
-        $this->currentUser = auth()->user();
-        $this->userRoles = $this->currentUser ? $this->currentUser->roles->pluck('id') : [];
-        $this->isAdmin = $this->currentUser ? $this->currentUser->hasRole('admin') : false;
-    }
-
-    /**
-     * Checks if an entity has a restriction set upon it.
-     * @param Entity $entity
-     * @param $action
-     * @return bool
-     */
-    public function checkIfEntityRestricted(Entity $entity, $action)
-    {
-        if ($this->isAdmin) return true;
-        $this->currentAction = $action;
-        $baseQuery = $entity->where('id', '=', $entity->id);
-        if ($entity->isA('page')) {
-            return $this->pageRestrictionQuery($baseQuery)->count() > 0;
-        } elseif ($entity->isA('chapter')) {
-            return $this->chapterRestrictionQuery($baseQuery)->count() > 0;
-        } elseif ($entity->isA('book')) {
-            return $this->bookRestrictionQuery($baseQuery)->count() > 0;
-        }
-        return false;
-    }
-
-    /**
-     * Check if an entity has restrictions set on itself or its
-     * parent tree.
-     * @param Entity $entity
-     * @param $action
-     * @return bool|mixed
-     */
-    public function checkIfRestrictionsSet(Entity $entity, $action)
-    {
-        $this->currentAction = $action;
-        if ($entity->isA('page')) {
-            return $entity->restricted || ($entity->chapter && $entity->chapter->restricted) || $entity->book->restricted;
-        } elseif ($entity->isA('chapter')) {
-            return $entity->restricted || $entity->book->restricted;
-        } elseif ($entity->isA('book')) {
-            return $entity->restricted;
-        }
-    }
-
-    /**
-     * Add restrictions for a page query
-     * @param $query
-     * @param string $action
-     * @return mixed
-     */
-    public function enforcePageRestrictions($query, $action = 'view')
-    {
-        // Prevent drafts being visible to others.
-        $query = $query->where(function ($query) {
-            $query->where('draft', '=', false);
-            if ($this->currentUser) {
-                $query->orWhere(function ($query) {
-                    $query->where('draft', '=', true)->where('created_by', '=', $this->currentUser->id);
-                });
-            }
-        });
-
-        if ($this->isAdmin) return $query;
-        $this->currentAction = $action;
-        return $this->pageRestrictionQuery($query);
-    }
-
-    /**
-     * The base query for restricting pages.
-     * @param $query
-     * @return mixed
-     */
-    private function pageRestrictionQuery($query)
-    {
-        return $query->where(function ($parentWhereQuery) {
-
-            $parentWhereQuery
-                // (Book & chapter & page) or (Book & page & NO CHAPTER) unrestricted
-                ->where(function ($query) {
-                    $query->where(function ($query) {
-                        $query->whereExists(function ($query) {
-                            $query->select('*')->from('chapters')
-                                ->whereRaw('chapters.id=pages.chapter_id')
-                                ->where('restricted', '=', false);
-                        })->whereExists(function ($query) {
-                            $query->select('*')->from('books')
-                                ->whereRaw('books.id=pages.book_id')
-                                ->where('restricted', '=', false);
-                        })->where('restricted', '=', false);
-                    })->orWhere(function ($query) {
-                        $query->where('restricted', '=', false)->where('chapter_id', '=', 0)
-                            ->whereExists(function ($query) {
-                                $query->select('*')->from('books')
-                                    ->whereRaw('books.id=pages.book_id')
-                                    ->where('restricted', '=', false);
-                            });
-                    });
-                })
-                // Page unrestricted, Has no chapter & book has accepted restrictions
-                ->orWhere(function ($query) {
-                    $query->where('restricted', '=', false)
-                        ->whereExists(function ($query) {
-                            $query->select('*')->from('chapters')
-                                ->whereRaw('chapters.id=pages.chapter_id');
-                        }, 'and', true)
-                        ->whereExists(function ($query) {
-                            $query->select('*')->from('books')
-                                ->whereRaw('books.id=pages.book_id')
-                                ->whereExists(function ($query) {
-                                    $this->checkRestrictionsQuery($query, 'books', 'Book');
-                                });
-                        });
-                })
-                // Page unrestricted, Has an unrestricted chapter & book has accepted restrictions
-                ->orWhere(function ($query) {
-                    $query->where('restricted', '=', false)
-                        ->whereExists(function ($query) {
-                            $query->select('*')->from('chapters')
-                                ->whereRaw('chapters.id=pages.chapter_id')->where('restricted', '=', false);
-                        })
-                        ->whereExists(function ($query) {
-                            $query->select('*')->from('books')
-                                ->whereRaw('books.id=pages.book_id')
-                                ->whereExists(function ($query) {
-                                    $this->checkRestrictionsQuery($query, 'books', 'Book');
-                                });
-                        });
-                })
-                // Page unrestricted, Has a chapter with accepted permissions
-                ->orWhere(function ($query) {
-                    $query->where('restricted', '=', false)
-                        ->whereExists(function ($query) {
-                            $query->select('*')->from('chapters')
-                                ->whereRaw('chapters.id=pages.chapter_id')
-                                ->where('restricted', '=', true)
-                                ->whereExists(function ($query) {
-                                    $this->checkRestrictionsQuery($query, 'chapters', 'Chapter');
-                                });
-                        });
-                })
-                // Page has accepted permissions
-                ->orWhereExists(function ($query) {
-                    $this->checkRestrictionsQuery($query, 'pages', 'Page');
-                });
-        });
-    }
-
-    /**
-     * Add on permission restrictions to a chapter query.
-     * @param $query
-     * @param string $action
-     * @return mixed
-     */
-    public function enforceChapterRestrictions($query, $action = 'view')
-    {
-        if ($this->isAdmin) return $query;
-        $this->currentAction = $action;
-        return $this->chapterRestrictionQuery($query);
-    }
-
-    /**
-     * The base query for restricting chapters.
-     * @param $query
-     * @return mixed
-     */
-    private function chapterRestrictionQuery($query)
-    {
-        return $query->where(function ($parentWhereQuery) {
-
-            $parentWhereQuery
-                // Book & chapter unrestricted
-                ->where(function ($query) {
-                    $query->where('restricted', '=', false)->whereExists(function ($query) {
-                        $query->select('*')->from('books')
-                            ->whereRaw('books.id=chapters.book_id')
-                            ->where('restricted', '=', false);
-                    });
-                })
-                // Chapter unrestricted & book has accepted restrictions
-                ->orWhere(function ($query) {
-                    $query->where('restricted', '=', false)
-                        ->whereExists(function ($query) {
-                            $query->select('*')->from('books')
-                                ->whereRaw('books.id=chapters.book_id')
-                                ->whereExists(function ($query) {
-                                    $this->checkRestrictionsQuery($query, 'books', 'Book');
-                                });
-                        });
-                })
-                // Chapter has accepted permissions
-                ->orWhereExists(function ($query) {
-                    $this->checkRestrictionsQuery($query, 'chapters', 'Chapter');
-                });
-        });
-    }
-
-    /**
-     * Add restrictions to a book query.
-     * @param $query
-     * @param string $action
-     * @return mixed
-     */
-    public function enforceBookRestrictions($query, $action = 'view')
-    {
-        if ($this->isAdmin) return $query;
-        $this->currentAction = $action;
-        return $this->bookRestrictionQuery($query);
-    }
-
-    /**
-     * The base query for restricting books.
-     * @param $query
-     * @return mixed
-     */
-    private function bookRestrictionQuery($query)
-    {
-        return $query->where(function ($parentWhereQuery) {
-            $parentWhereQuery
-                ->where('restricted', '=', false)
-                ->orWhere(function ($query) {
-                    $query->where('restricted', '=', true)->whereExists(function ($query) {
-                        $this->checkRestrictionsQuery($query, 'books', 'Book');
-                    });
-                });
-        });
-    }
-
-    /**
-     * Filter items that have entities set a a polymorphic relation.
-     * @param $query
-     * @param string $tableName
-     * @param string $entityIdColumn
-     * @param string $entityTypeColumn
-     * @return mixed
-     */
-    public function filterRestrictedEntityRelations($query, $tableName, $entityIdColumn, $entityTypeColumn)
-    {
-        if ($this->isAdmin) return $query;
-        $this->currentAction = 'view';
-        $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn, 'entityTypeColumn' => $entityTypeColumn];
-        return $query->where(function ($query) use ($tableDetails) {
-            $query->where(function ($query) use (&$tableDetails) {
-                $query->where($tableDetails['entityTypeColumn'], '=', 'BookStack\Page')
-                    ->whereExists(function ($query) use (&$tableDetails) {
-                        $query->select('*')->from('pages')->whereRaw('pages.id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
-                            ->where(function ($query) {
-                                $this->pageRestrictionQuery($query);
-                            });
-                    });
-            })->orWhere(function ($query) use (&$tableDetails) {
-                $query->where($tableDetails['entityTypeColumn'], '=', 'BookStack\Book')->whereExists(function ($query) use (&$tableDetails) {
-                    $query->select('*')->from('books')->whereRaw('books.id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
-                        ->where(function ($query) {
-                            $this->bookRestrictionQuery($query);
-                        });
-                });
-            })->orWhere(function ($query) use (&$tableDetails) {
-                $query->where($tableDetails['entityTypeColumn'], '=', 'BookStack\Chapter')->whereExists(function ($query) use (&$tableDetails) {
-                    $query->select('*')->from('chapters')->whereRaw('chapters.id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
-                        ->where(function ($query) {
-                            $this->chapterRestrictionQuery($query);
-                        });
-                });
-            });
-        });
-    }
-
-    /**
-     * Filters pages that are a direct relation to another item.
-     * @param $query
-     * @param $tableName
-     * @param $entityIdColumn
-     * @return mixed
-     */
-    public function filterRelatedPages($query, $tableName, $entityIdColumn)
-    {
-        if ($this->isAdmin) return $query;
-        $this->currentAction = 'view';
-        $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn];
-        return $query->where(function ($query) use (&$tableDetails) {
-            $query->where(function ($query) use (&$tableDetails) {
-                $query->whereExists(function ($query) use (&$tableDetails) {
-                    $query->select('*')->from('pages')->whereRaw('pages.id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
-                        ->where(function ($query) {
-                            $this->pageRestrictionQuery($query);
-                        });
-                })->orWhere($tableDetails['entityIdColumn'], '=', 0);
-            });
-        });
-    }
-
-    /**
-     * The query to check the restrictions on an entity.
-     * @param $query
-     * @param $tableName
-     * @param $modelName
-     */
-    private function checkRestrictionsQuery($query, $tableName, $modelName)
-    {
-        $query->select('*')->from('restrictions')
-            ->whereRaw('restrictions.restrictable_id=' . $tableName . '.id')
-            ->where('restrictions.restrictable_type', '=', 'BookStack\\' . $modelName)
-            ->where('restrictions.action', '=', $this->currentAction)
-            ->whereIn('restrictions.role_id', $this->userRoles);
-    }
-
-
-}

app/Services/SearchService.php

@@ -0,0 +1,503 @@
+<?php namespace BookStack\Services;
+
+use BookStack\Book;
+use BookStack\Chapter;
+use BookStack\Entity;
+use BookStack\Page;
+use BookStack\SearchTerm;
+use Illuminate\Database\Connection;
+use Illuminate\Database\Query\Builder;
+use Illuminate\Database\Query\JoinClause;
+use Illuminate\Support\Collection;
+
+class SearchService
+{
+    protected $searchTerm;
+    protected $book;
+    protected $chapter;
+    protected $page;
+    protected $db;
+    protected $permissionService;
+    protected $entities;
+
+    /**
+     * Acceptable operators to be used in a query
+     * @var array
+     */
+    protected $queryOperators = ['<=', '>=', '=', '<', '>', 'like', '!='];
+
+    /**
+     * SearchService constructor.
+     * @param SearchTerm $searchTerm
+     * @param Book $book
+     * @param Chapter $chapter
+     * @param Page $page
+     * @param Connection $db
+     * @param PermissionService $permissionService
+     */
+    public function __construct(SearchTerm $searchTerm, Book $book, Chapter $chapter, Page $page, Connection $db, PermissionService $permissionService)
+    {
+        $this->searchTerm = $searchTerm;
+        $this->book = $book;
+        $this->chapter = $chapter;
+        $this->page = $page;
+        $this->db = $db;
+        $this->entities = [
+            'page' => $this->page,
+            'chapter' => $this->chapter,
+            'book' => $this->book
+        ];
+        $this->permissionService = $permissionService;
+    }
+
+    /**
+     * Set the database connection
+     * @param Connection $connection
+     */
+    public function setConnection(Connection $connection)
+    {
+        $this->db = $connection;
+    }
+
+    /**
+     * Search all entities in the system.
+     * @param string $searchString
+     * @param string $entityType
+     * @param int $page
+     * @param int $count
+     * @return array[int, Collection];
+     */
+    public function searchEntities($searchString, $entityType = 'all', $page = 1, $count = 20)
+    {
+        $terms = $this->parseSearchString($searchString);
+        $entityTypes = array_keys($this->entities);
+        $entityTypesToSearch = $entityTypes;
+        $results = collect();
+
+        if ($entityType !== 'all') {
+            $entityTypesToSearch = $entityType;
+        } else if (isset($terms['filters']['type'])) {
+            $entityTypesToSearch = explode('|', $terms['filters']['type']);
+        }
+
+        $total = 0;
+
+        foreach ($entityTypesToSearch as $entityType) {
+            if (!in_array($entityType, $entityTypes)) continue;
+            $search = $this->searchEntityTable($terms, $entityType, $page, $count);
+            $total += $this->searchEntityTable($terms, $entityType, $page, $count, true);
+            $results = $results->merge($search);
+        }
+
+        return [
+            'total' => $total,
+            'count' => count($results),
+            'results' => $results->sortByDesc('score')->values()
+        ];
+    }
+
+
+    /**
+     * Search a book for entities
+     * @param integer $bookId
+     * @param string $searchString
+     * @return Collection
+     */
+    public function searchBook($bookId, $searchString)
+    {
+        $terms = $this->parseSearchString($searchString);
+        $entityTypes = ['page', 'chapter'];
+        $entityTypesToSearch = isset($terms['filters']['type']) ? explode('|', $terms['filters']['type']) : $entityTypes;
+
+        $results = collect();
+        foreach ($entityTypesToSearch as $entityType) {
+            if (!in_array($entityType, $entityTypes)) continue;
+            $search = $this->buildEntitySearchQuery($terms, $entityType)->where('book_id', '=', $bookId)->take(20)->get();
+            $results = $results->merge($search);
+        }
+        return $results->sortByDesc('score')->take(20);
+    }
+
+    /**
+     * Search a book for entities
+     * @param integer $chapterId
+     * @param string $searchString
+     * @return Collection
+     */
+    public function searchChapter($chapterId, $searchString)
+    {
+        $terms = $this->parseSearchString($searchString);
+        $pages = $this->buildEntitySearchQuery($terms, 'page')->where('chapter_id', '=', $chapterId)->take(20)->get();
+        return $pages->sortByDesc('score');
+    }
+
+    /**
+     * Search across a particular entity type.
+     * @param array $terms
+     * @param string $entityType
+     * @param int $page
+     * @param int $count
+     * @param bool $getCount Return the total count of the search
+     * @return \Illuminate\Database\Eloquent\Collection|int|static[]
+     */
+    public function searchEntityTable($terms, $entityType = 'page', $page = 1, $count = 20, $getCount = false)
+    {
+        $query = $this->buildEntitySearchQuery($terms, $entityType);
+        if ($getCount) return $query->count();
+
+        $query = $query->skip(($page-1) * $count)->take($count);
+        return $query->get();
+    }
+
+    /**
+     * Create a search query for an entity
+     * @param array $terms
+     * @param string $entityType
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function buildEntitySearchQuery($terms, $entityType = 'page')
+    {
+        $entity = $this->getEntity($entityType);
+        $entitySelect = $entity->newQuery();
+
+        // Handle normal search terms
+        if (count($terms['search']) > 0) {
+            $subQuery = $this->db->table('search_terms')->select('entity_id', 'entity_type', \DB::raw('SUM(score) as score'));
+            $subQuery->where('entity_type', '=', 'BookStack\\' . ucfirst($entityType));
+            $subQuery->where(function(Builder $query) use ($terms) {
+                foreach ($terms['search'] as $inputTerm) {
+                    $query->orWhere('term', 'like', $inputTerm .'%');
+                }
+            })->groupBy('entity_type', 'entity_id');
+            $entitySelect->join(\DB::raw('(' . $subQuery->toSql() . ') as s'), function(JoinClause $join) {
+                $join->on('id', '=', 'entity_id');
+            })->selectRaw($entity->getTable().'.*, s.score')->orderBy('score', 'desc');
+            $entitySelect->mergeBindings($subQuery);
+        }
+
+        // Handle exact term matching
+        if (count($terms['exact']) > 0) {
+            $entitySelect->where(function(\Illuminate\Database\Eloquent\Builder $query) use ($terms, $entity) {
+                foreach ($terms['exact'] as $inputTerm) {
+                    $query->where(function (\Illuminate\Database\Eloquent\Builder $query) use ($inputTerm, $entity) {
+                        $query->where('name', 'like', '%'.$inputTerm .'%')
+                            ->orWhere($entity->textField, 'like', '%'.$inputTerm .'%');
+                    });
+                }
+            });
+        }
+
+        // Handle tag searches
+        foreach ($terms['tags'] as $inputTerm) {
+            $this->applyTagSearch($entitySelect, $inputTerm);
+        }
+
+        // Handle filters
+        foreach ($terms['filters'] as $filterTerm => $filterValue) {
+            $functionName = camel_case('filter_' . $filterTerm);
+            if (method_exists($this, $functionName)) $this->$functionName($entitySelect, $entity, $filterValue);
+        }
+
+        return $this->permissionService->enforceEntityRestrictions($entityType, $entitySelect, 'view');
+    }
+
+
+    /**
+     * Parse a search string into components.
+     * @param $searchString
+     * @return array
+     */
+    protected function parseSearchString($searchString)
+    {
+        $terms = [
+            'search' => [],
+            'exact' => [],
+            'tags' => [],
+            'filters' => []
+        ];
+
+        $patterns = [
+            'exact' => '/"(.*?)"/',
+            'tags' => '/\[(.*?)\]/',
+            'filters' => '/\{(.*?)\}/'
+        ];
+
+        // Parse special terms
+        foreach ($patterns as $termType => $pattern) {
+            $matches = [];
+            preg_match_all($pattern, $searchString, $matches);
+            if (count($matches) > 0) {
+                $terms[$termType] = $matches[1];
+                $searchString = preg_replace($pattern, '', $searchString);
+            }
+        }
+
+        // Parse standard terms
+        foreach (explode(' ', trim($searchString)) as $searchTerm) {
+            if ($searchTerm !== '') $terms['search'][] = $searchTerm;
+        }
+
+        // Split filter values out
+        $splitFilters = [];
+        foreach ($terms['filters'] as $filter) {
+            $explodedFilter = explode(':', $filter, 2);
+            $splitFilters[$explodedFilter[0]] = (count($explodedFilter) > 1) ? $explodedFilter[1] : '';
+        }
+        $terms['filters'] = $splitFilters;
+
+        return $terms;
+    }
+
+    /**
+     * Get the available query operators as a regex escaped list.
+     * @return mixed
+     */
+    protected function getRegexEscapedOperators()
+    {
+        $escapedOperators = [];
+        foreach ($this->queryOperators as $operator) {
+            $escapedOperators[] = preg_quote($operator);
+        }
+        return join('|', $escapedOperators);
+    }
+
+    /**
+     * Apply a tag search term onto a entity query.
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @param string $tagTerm
+     * @return mixed
+     */
+    protected function applyTagSearch(\Illuminate\Database\Eloquent\Builder $query, $tagTerm) {
+        preg_match("/^(.*?)((".$this->getRegexEscapedOperators().")(.*?))?$/", $tagTerm, $tagSplit);
+        $query->whereHas('tags', function(\Illuminate\Database\Eloquent\Builder $query) use ($tagSplit) {
+            $tagName = $tagSplit[1];
+            $tagOperator = count($tagSplit) > 2 ? $tagSplit[3] : '';
+            $tagValue = count($tagSplit) > 3 ? $tagSplit[4] : '';
+            $validOperator = in_array($tagOperator, $this->queryOperators);
+            if (!empty($tagOperator) && !empty($tagValue) && $validOperator) {
+                if (!empty($tagName)) $query->where('name', '=', $tagName);
+                if (is_numeric($tagValue) && $tagOperator !== 'like') {
+                    // We have to do a raw sql query for this since otherwise PDO will quote the value and MySQL will
+                    // search the value as a string which prevents being able to do number-based operations
+                    // on the tag values. We ensure it has a numeric value and then cast it just to be sure.
+                    $tagValue = (float) trim($query->getConnection()->getPdo()->quote($tagValue), "'");
+                    $query->whereRaw("value ${tagOperator} ${tagValue}");
+                } else {
+                    $query->where('value', $tagOperator, $tagValue);
+                }
+            } else {
+                $query->where('name', '=', $tagName);
+            }
+        });
+        return $query;
+    }
+
+    /**
+     * Get an entity instance via type.
+     * @param $type
+     * @return Entity
+     */
+    protected function getEntity($type)
+    {
+        return $this->entities[strtolower($type)];
+    }
+
+    /**
+     * Index the given entity.
+     * @param Entity $entity
+     */
+    public function indexEntity(Entity $entity)
+    {
+        $this->deleteEntityTerms($entity);
+        $nameTerms = $this->generateTermArrayFromText($entity->name, 5);
+        $bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1);
+        $terms = array_merge($nameTerms, $bodyTerms);
+        foreach ($terms as $index => $term) {
+            $terms[$index]['entity_type'] = $entity->getMorphClass();
+            $terms[$index]['entity_id'] = $entity->id;
+        }
+        $this->searchTerm->newQuery()->insert($terms);
+    }
+
+    /**
+     * Index multiple Entities at once
+     * @param Entity[] $entities
+     */
+    protected function indexEntities($entities) {
+        $terms = [];
+        foreach ($entities as $entity) {
+            $nameTerms = $this->generateTermArrayFromText($entity->name, 5);
+            $bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1);
+            foreach (array_merge($nameTerms, $bodyTerms) as $term) {
+                $term['entity_id'] = $entity->id;
+                $term['entity_type'] = $entity->getMorphClass();
+                $terms[] = $term;
+            }
+        }
+
+        $chunkedTerms = array_chunk($terms, 500);
+        foreach ($chunkedTerms as $termChunk) {
+            $this->searchTerm->newQuery()->insert($termChunk);
+        }
+    }
+
+    /**
+     * Delete and re-index the terms for all entities in the system.
+     */
+    public function indexAllEntities()
+    {
+        $this->searchTerm->truncate();
+
+        // Chunk through all books
+        $this->book->chunk(1000, function ($books) {
+            $this->indexEntities($books);
+        });
+
+        // Chunk through all chapters
+        $this->chapter->chunk(1000, function ($chapters) {
+            $this->indexEntities($chapters);
+        });
+
+        // Chunk through all pages
+        $this->page->chunk(1000, function ($pages) {
+            $this->indexEntities($pages);
+        });
+    }
+
+    /**
+     * Delete related Entity search terms.
+     * @param Entity $entity
+     */
+    public function deleteEntityTerms(Entity $entity)
+    {
+        $entity->searchTerms()->delete();
+    }
+
+    /**
+     * Create a scored term array from the given text.
+     * @param $text
+     * @param float|int $scoreAdjustment
+     * @return array
+     */
+    protected function generateTermArrayFromText($text, $scoreAdjustment = 1)
+    {
+        $tokenMap = []; // {TextToken => OccurrenceCount}
+        $splitChars = " \n\t.,";
+        $token = strtok($text, $splitChars);
+
+        while ($token !== false) {
+            if (!isset($tokenMap[$token])) $tokenMap[$token] = 0;
+            $tokenMap[$token]++;
+            $token = strtok($splitChars);
+        }
+
+        $terms = [];
+        foreach ($tokenMap as $token => $count) {
+            $terms[] = [
+                'term' => $token,
+                'score' => $count * $scoreAdjustment
+            ];
+        }
+        return $terms;
+    }
+
+
+
+
+    /**
+     * Custom entity search filters
+     */
+
+    protected function filterUpdatedAfter(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        try { $date = date_create($input);
+        } catch (\Exception $e) {return;}
+        $query->where('updated_at', '>=', $date);
+    }
+
+    protected function filterUpdatedBefore(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        try { $date = date_create($input);
+        } catch (\Exception $e) {return;}
+        $query->where('updated_at', '<', $date);
+    }
+
+    protected function filterCreatedAfter(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        try { $date = date_create($input);
+        } catch (\Exception $e) {return;}
+        $query->where('created_at', '>=', $date);
+    }
+
+    protected function filterCreatedBefore(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        try { $date = date_create($input);
+        } catch (\Exception $e) {return;}
+        $query->where('created_at', '<', $date);
+    }
+
+    protected function filterCreatedBy(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        if (!is_numeric($input) && $input !== 'me') return;
+        if ($input === 'me') $input = user()->id;
+        $query->where('created_by', '=', $input);
+    }
+
+    protected function filterUpdatedBy(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        if (!is_numeric($input) && $input !== 'me') return;
+        if ($input === 'me') $input = user()->id;
+        $query->where('updated_by', '=', $input);
+    }
+
+    protected function filterInName(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        $query->where('name', 'like', '%' .$input. '%');
+    }
+
+    protected function filterInTitle(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input) {$this->filterInName($query, $model, $input);}
+
+    protected function filterInBody(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        $query->where($model->textField, 'like', '%' .$input. '%');
+    }
+
+    protected function filterIsRestricted(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        $query->where('restricted', '=', true);
+    }
+
+    protected function filterViewedByMe(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        $query->whereHas('views', function($query) {
+            $query->where('user_id', '=', user()->id);
+        });
+    }
+
+    protected function filterNotViewedByMe(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        $query->whereDoesntHave('views', function($query) {
+            $query->where('user_id', '=', user()->id);
+        });
+    }
+
+    protected function filterSortBy(\Illuminate\Database\Eloquent\Builder $query, Entity $model, $input)
+    {
+        $functionName = camel_case('sort_by_' . $input);
+        if (method_exists($this, $functionName)) $this->$functionName($query, $model);
+    }
+
+
+    /**
+     * Sorting filter options
+     */
+
+    protected function sortByLastCommented(\Illuminate\Database\Eloquent\Builder $query, Entity $model)
+    {
+        $commentsTable = $this->db->getTablePrefix() . 'comments';
+        $morphClass = str_replace('\\', '\\\\', $model->getMorphClass());
+        $commentQuery = $this->db->raw('(SELECT c1.entity_id, c1.entity_type, c1.created_at as last_commented FROM '.$commentsTable.' c1 LEFT JOIN '.$commentsTable.' c2 ON (c1.entity_id = c2.entity_id AND c1.entity_type = c2.entity_type AND c1.created_at < c2.created_at) WHERE c1.entity_type = \''. $morphClass .'\' AND c2.created_at IS NULL) as comments');
+
+        $query->join($commentQuery, $model->getTable() . '.id', '=', 'comments.entity_id')->orderBy('last_commented', 'desc');
+    }
+}

app/Services/SettingService.php

@@ -1,6 +1,7 @@
 <?php namespace BookStack\Services;
 
 use BookStack\Setting;
+use BookStack\User;
 use Illuminate\Contracts\Cache\Repository as Cache;
 
 /**
@@ -15,6 +16,7 @@ class SettingService
 
     protected $setting;
     protected $cache;
+    protected $localCache = [];
 
     protected $cachePrefix = 'setting-';
 
@@ -38,8 +40,25 @@ class SettingService
      */
     public function get($key, $default = false)
     {
+        if ($default === false) $default = config('setting-defaults.' . $key, false);
+        if (isset($this->localCache[$key])) return $this->localCache[$key];
+
         $value = $this->getValueFromStore($key, $default);
-        return $this->formatValue($value, $default);
+        $formatted = $this->formatValue($value, $default);
+        $this->localCache[$key] = $formatted;
+        return $formatted;
+    }
+
+    /**
+     * Get a user-specific setting from the database or cache.
+     * @param User $user
+     * @param $key
+     * @param bool $default
+     * @return bool|string
+     */
+    public function getUser($user, $key, $default = false)
+    {
+        return $this->get($this->userKey($user->id, $key), $default);
     }
 
     /**
@@ -57,9 +76,8 @@ class SettingService
 
         // Check the cache
         $cacheKey = $this->cachePrefix . $key;
-        if ($this->cache->has($cacheKey)) {
-            return $this->cache->get($cacheKey);
-        }
+        $cacheVal = $this->cache->get($cacheKey, null);
+        if ($cacheVal !== null) return $cacheVal;
 
         // Check the database
         $settingObject = $this->getSettingObjectByKey($key);
@@ -69,14 +87,6 @@ class SettingService
             return $value;
         }
 
-        // Check the defaults set in the app config.
-        $configPrefix = 'setting-defaults.' . $key;
-        if (config()->has($configPrefix)) {
-            $value = config($configPrefix);
-            $this->cache->forever($cacheKey, $value);
-            return $value;
-        }
-
         return $default;
     }
 
@@ -118,6 +128,16 @@ class SettingService
         return $setting !== null;
     }
 
+    /**
+     * Check if a user setting is in the database.
+     * @param $key
+     * @return bool
+     */
+    public function hasUser($key)
+    {
+        return $this->has($this->userKey($key));
+    }
+
     /**
      * Add a setting to the database.
      * @param $key
@@ -135,6 +155,28 @@ class SettingService
         return true;
     }
 
+    /**
+     * Put a user-specific setting into the database.
+     * @param User $user
+     * @param $key
+     * @param $value
+     * @return bool
+     */
+    public function putUser($user, $key, $value)
+    {
+        return $this->put($this->userKey($user->id, $key), $value);
+    }
+
+    /**
+     * Convert a setting key into a user-specific key.
+     * @param $key
+     * @return string
+     */
+    protected function userKey($userId, $key = '')
+    {
+        return 'user:' . $userId . ':' . $key;
+    }
+
     /**
      * Removes a setting from the database.
      * @param $key
@@ -150,6 +192,16 @@ class SettingService
         return true;
     }
 
+    /**
+     * Delete settings for a given user id.
+     * @param $userId
+     * @return mixed
+     */
+    public function deleteUserSettings($userId)
+    {
+        return $this->setting->where('setting_key', 'like', $this->userKey($userId) . '%')->delete();
+    }
+
     /**
      * Gets a setting model from the database for the given key.
      * @param $key

app/Services/SocialAuthService.php

@@ -1,14 +1,11 @@
 <?php namespace BookStack\Services;
 
-use GuzzleHttp\Exception\ClientException;
 use Laravel\Socialite\Contracts\Factory as Socialite;
 use BookStack\Exceptions\SocialDriverNotConfigured;
 use BookStack\Exceptions\SocialSignInException;
 use BookStack\Exceptions\UserRegistrationException;
-use BookStack\Http\Controllers\Auth\AuthController;
 use BookStack\Repos\UserRepo;
 use BookStack\SocialAccount;
-use BookStack\User;
 
 class SocialAuthService
 {
@@ -17,7 +14,7 @@ class SocialAuthService
     protected $socialite;
     protected $socialAccount;
 
-    protected $validSocialDrivers = ['google', 'github'];
+    protected $validSocialDrivers = ['google', 'github', 'facebook', 'slack', 'twitter', 'azure'];
 
     /**
      * SocialAuthService constructor.
@@ -73,12 +70,12 @@ class SocialAuthService
 
         // Check social account has not already been used
         if ($this->socialAccount->where('driver_id', '=', $socialUser->getId())->exists()) {
-            throw new UserRegistrationException('This ' . $socialDriver . ' account is already in use, Try logging in via the ' . $socialDriver . ' option.', '/login');
+            throw new UserRegistrationException(trans('errors.social_account_in_use', ['socialAccount'=>$socialDriver]), '/login');
         }
 
         if ($this->userRepo->getByEmail($socialUser->getEmail())) {
             $email = $socialUser->getEmail();
-            throw new UserRegistrationException('The email ' . $email . ' is already in use. If you already have an account you can connect your ' . $socialDriver . ' account from your profile settings.', '/login');
+            throw new UserRegistrationException(trans('errors.social_account_in_use', ['socialAccount'=>$socialDriver, 'email' => $email]), '/login');
         }
 
         return $socialUser;
@@ -101,14 +98,14 @@ class SocialAuthService
 
         // Get any attached social accounts or users
         $socialAccount = $this->socialAccount->where('driver_id', '=', $socialId)->first();
-        $user = $this->userRepo->getByEmail($socialUser->getEmail());
         $isLoggedIn = auth()->check();
-        $currentUser = auth()->user();
+        $currentUser = user();
 
         // When a user is not logged in and a matching SocialAccount exists,
         // Simply log the user into the application.
         if (!$isLoggedIn && $socialAccount !== null) {
-            return $this->logUserIn($socialAccount->user);
+            auth()->login($socialAccount->user);
+            return redirect()->intended('/');
         }
 
         // When a user is logged in but the social account does not exist,
@@ -116,38 +113,31 @@ class SocialAuthService
         if ($isLoggedIn && $socialAccount === null) {
             $this->fillSocialAccount($socialDriver, $socialUser);
             $currentUser->socialAccounts()->save($this->socialAccount);
-            \Session::flash('success', title_case($socialDriver) . ' account was successfully attached to your profile.');
+            session()->flash('success', trans('settings.users_social_connected', ['socialAccount' => title_case($socialDriver)]));
             return redirect($currentUser->getEditUrl());
         }
 
         // When a user is logged in and the social account exists and is already linked to the current user.
         if ($isLoggedIn && $socialAccount !== null && $socialAccount->user->id === $currentUser->id) {
-            \Session::flash('error', 'This ' . title_case($socialDriver) . ' account is already attached to your profile.');
+            session()->flash('error', trans('errors.social_account_existing', ['socialAccount' => title_case($socialDriver)]));
             return redirect($currentUser->getEditUrl());
         }
 
         // When a user is logged in, A social account exists but the users do not match.
-        // Change the user that the social account is assigned to.
         if ($isLoggedIn && $socialAccount !== null && $socialAccount->user->id != $currentUser->id) {
-            \Session::flash('success', 'This ' . title_case($socialDriver) . ' account is already used by another user.');
+            session()->flash('error', trans('errors.social_account_already_used_existing', ['socialAccount' => title_case($socialDriver)]));
             return redirect($currentUser->getEditUrl());
         }
 
         // Otherwise let the user know this social account is not used by anyone.
-        $message = 'This ' . $socialDriver . ' account is not linked to any users. Please attach it in your profile settings';
+        $message = trans('errors.social_account_not_used', ['socialAccount' => title_case($socialDriver)]);
         if (setting('registration-enabled')) {
-            $message .= ' or, If you do not yet have an account, You can register an account using the ' . $socialDriver . ' option';
+            $message .= trans('errors.social_account_register_instructions', ['socialAccount' => title_case($socialDriver)]);
         }
+        
         throw new SocialSignInException($message . '.', '/login');
     }
 
-
-    private function logUserIn($user)
-    {
-        auth()->login($user);
-        return redirect('/');
-    }
-
     /**
      * Ensure the social driver is correct and supported.
      *
@@ -159,8 +149,8 @@ class SocialAuthService
     {
         $driver = trim(strtolower($socialDriver));
 
-        if (!in_array($driver, $this->validSocialDrivers)) abort(404, 'Social Driver Not Found');
-        if (!$this->checkDriverConfigured($driver)) throw new SocialDriverNotConfigured;
+        if (!in_array($driver, $this->validSocialDrivers)) abort(404, trans('errors.social_driver_not_found'));
+        if (!$this->checkDriverConfigured($driver)) throw new SocialDriverNotConfigured(trans('errors.social_driver_not_configured', ['socialAccount' => title_case($socialDriver)]));
 
         return $driver;
     }
@@ -185,14 +175,24 @@ class SocialAuthService
     public function getActiveDrivers()
     {
         $activeDrivers = [];
-        foreach ($this->validSocialDrivers as $driverName) {
-            if ($this->checkDriverConfigured($driverName)) {
-                $activeDrivers[$driverName] = true;
+        foreach ($this->validSocialDrivers as $driverKey) {
+            if ($this->checkDriverConfigured($driverKey)) {
+                $activeDrivers[$driverKey] = $this->getDriverName($driverKey);
             }
         }
         return $activeDrivers;
     }
 
+    /**
+     * Get the presentational name for a driver.
+     * @param $driver
+     * @return mixed
+     */
+    public function getDriverName($driver)
+    {
+        return config('services.' . strtolower($driver) . '.name');
+    }
+
     /**
      * @param string                            $socialDriver
      * @param \Laravel\Socialite\Contracts\User $socialUser
@@ -215,10 +215,9 @@ class SocialAuthService
      */
     public function detachSocialAccount($socialDriver)
     {
-        session();
-        auth()->user()->socialAccounts()->where('driver', '=', $socialDriver)->delete();
-        \Session::flash('success', $socialDriver . ' account successfully detached');
-        return redirect(auth()->user()->getEditUrl());
+        user()->socialAccounts()->where('driver', '=', $socialDriver)->delete();
+        session()->flash('success', trans('settings.users_social_disconnected', ['socialAccount' => title_case($socialDriver)]));
+        return redirect(user()->getEditUrl());
     }
 
 }

app/Services/UploadService.php

@@ -0,0 +1,64 @@
+<?php namespace BookStack\Services;
+
+use Illuminate\Contracts\Filesystem\Factory as FileSystem;
+use Illuminate\Contracts\Filesystem\Filesystem as FileSystemInstance;
+
+class UploadService
+{
+
+    /**
+     * @var FileSystem
+     */
+    protected $fileSystem;
+
+    /**
+     * @var FileSystemInstance
+     */
+    protected $storageInstance;
+
+
+    /**
+     * FileService constructor.
+     * @param $fileSystem
+     */
+    public function __construct(FileSystem $fileSystem)
+    {
+        $this->fileSystem = $fileSystem;
+    }
+
+    /**
+     * Get the storage that will be used for storing images.
+     * @return FileSystemInstance
+     */
+    protected function getStorage()
+    {
+        if ($this->storageInstance !== null) return $this->storageInstance;
+
+        $storageType = config('filesystems.default');
+        $this->storageInstance = $this->fileSystem->disk($storageType);
+
+        return $this->storageInstance;
+    }
+
+
+    /**
+     * Check whether or not a folder is empty.
+     * @param $path
+     * @return bool
+     */
+    protected function isFolderEmpty($path)
+    {
+        $files = $this->getStorage()->files($path);
+        $folders = $this->getStorage()->directories($path);
+        return (count($files) === 0 && count($folders) === 0);
+    }
+
+    /**
+     * Check if using a local filesystem.
+     * @return bool
+     */
+    protected function isLocal()
+    {
+        return strtolower(config('filesystems.default')) === 'local';
+    }
+}

app/Services/ViewService.php

@@ -5,21 +5,18 @@ use BookStack\View;
 
 class ViewService
 {
-
     protected $view;
-    protected $user;
-    protected $restrictionService;
+    protected $permissionService;
 
     /**
      * ViewService constructor.
      * @param View $view
-     * @param RestrictionService $restrictionService
+     * @param PermissionService $permissionService
      */
-    public function __construct(View $view, RestrictionService $restrictionService)
+    public function __construct(View $view, PermissionService $permissionService)
     {
         $this->view = $view;
-        $this->user = auth()->user();
-        $this->restrictionService = $restrictionService;
+        $this->permissionService = $permissionService;
     }
 
     /**
@@ -29,8 +26,9 @@ class ViewService
      */
     public function add(Entity $entity)
     {
-        if ($this->user === null) return 0;
-        $view = $entity->views()->where('user_id', '=', $this->user->id)->first();
+        $user = user();
+        if ($user === null || $user->isDefault()) return 0;
+        $view = $entity->views()->where('user_id', '=', $user->id)->first();
         // Add view if model exists
         if ($view) {
             $view->increment('views');
@@ -39,7 +37,7 @@ class ViewService
 
         // Otherwise create new view count
         $entity->views()->save($this->view->create([
-            'user_id' => $this->user->id,
+            'user_id' => $user->id,
             'views' => 1
         ]));
 
@@ -50,17 +48,21 @@ class ViewService
      * Get the entities with the most views.
      * @param int $count
      * @param int $page
-     * @param bool|false $filterModel
+     * @param bool|false|array $filterModel
      */
     public function getPopular($count = 10, $page = 0, $filterModel = false)
     {
         $skipCount = $count * $page;
-        $query = $this->restrictionService->filterRestrictedEntityRelations($this->view, 'views', 'viewable_id', 'viewable_type')
+        $query = $this->permissionService->filterRestrictedEntityRelations($this->view, 'views', 'viewable_id', 'viewable_type')
             ->select('*', 'viewable_id', 'viewable_type', \DB::raw('SUM(views) as view_count'))
             ->groupBy('viewable_id', 'viewable_type')
             ->orderBy('view_count', 'desc');
 
-        if ($filterModel) $query->where('viewable_type', '=', get_class($filterModel));
+        if ($filterModel && is_array($filterModel)) {
+            $query->whereIn('viewable_type', $filterModel);
+        } else if ($filterModel) {
+            $query->where('viewable_type', '=', get_class($filterModel));
+        }
 
         return $query->with('viewable')->skip($skipCount)->take($count)->get()->pluck('viewable');
     }
@@ -74,13 +76,14 @@ class ViewService
      */
     public function getUserRecentlyViewed($count = 10, $page = 0, $filterModel = false)
     {
-        if ($this->user === null) return collect();
+        $user = user();
+        if ($user === null || $user->isDefault()) return collect();
 
-        $query = $this->restrictionService
+        $query = $this->permissionService
             ->filterRestrictedEntityRelations($this->view, 'views', 'viewable_id', 'viewable_type');
 
         if ($filterModel) $query = $query->where('viewable_type', '=', get_class($filterModel));
-        $query = $query->where('user_id', '=', auth()->user()->id);
+        $query = $query->where('user_id', '=', $user->id);
 
         $viewables = $query->with('viewable')->orderBy('updated_at', 'desc')
             ->skip($count * $page)->take($count)->get()->pluck('viewable');

app/Setting.php

@@ -1,8 +1,4 @@
-<?php
-
-namespace BookStack;
-
-use Illuminate\Database\Eloquent\Model;
+<?php namespace BookStack;
 
 class Setting extends Model
 {

app/SocialAccount.php

@@ -1,8 +1,5 @@
-<?php
+<?php namespace BookStack;
 
-namespace BookStack;
-
-use Illuminate\Database\Eloquent\Model;
 
 class SocialAccount extends Model
 {
@@ -11,6 +8,6 @@ class SocialAccount extends Model
 
     public function user()
     {
-        return $this->belongsTo('BookStack\User');
+        return $this->belongsTo(User::class);
     }
 }

app/Tag.php

@@ -0,0 +1,19 @@
+<?php namespace BookStack;
+
+/**
+ * Class Attribute
+ * @package BookStack
+ */
+class Tag extends Model
+{
+    protected $fillable = ['name', 'value', 'order'];
+
+    /**
+     * Get the entity that this tag belongs to
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function entity()
+    {
+        return $this->morphTo('entity');
+    }
+}

app/User.php

@@ -1,16 +1,16 @@
-<?php
-
-namespace BookStack;
+<?php namespace BookStack;
 
+use BookStack\Notifications\ResetPassword;
 use Illuminate\Auth\Authenticatable;
-use Illuminate\Database\Eloquent\Model;
 use Illuminate\Auth\Passwords\CanResetPassword;
 use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract;
 use Illuminate\Contracts\Auth\CanResetPassword as CanResetPasswordContract;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Notifications\Notifiable;
 
 class User extends Model implements AuthenticatableContract, CanResetPasswordContract
 {
-    use Authenticatable, CanResetPassword;
+    use Authenticatable, CanResetPassword, Notifiable;
 
     /**
      * The database table used by the model.
@@ -37,22 +37,31 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
     protected $permissions;
 
     /**
-     * Returns a default guest user.
+     * Returns the default public user.
+     * @return User
      */
     public static function getDefault()
     {
-        return new static([
-            'email' => 'guest',
-            'name' => 'Guest'
-        ]);
+        return static::where('system_name', '=', 'public')->first();
+    }
+
+    /**
+     * Check if the user is the default public user.
+     * @return bool
+     */
+    public function isDefault()
+    {
+        return $this->system_name === 'public';
     }
 
     /**
      * The roles that belong to the user.
+     * @return BelongsToMany
      */
     public function roles()
     {
-        return $this->belongsToMany('BookStack\Role');
+        if ($this->id === 0) return ;
+        return $this->belongsToMany(Role::class);
     }
 
     /**
@@ -65,6 +74,16 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
         return $this->roles->pluck('name')->contains($role);
     }
 
+    /**
+     * Check if the user has a role.
+     * @param $role
+     * @return mixed
+     */
+    public function hasSystemRole($role)
+    {
+        return $this->roles->pluck('system_name')->contains('admin');
+    }
+
     /**
      * Get all permissions belonging to a the current user.
      * @param bool $cache
@@ -116,7 +135,7 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
      */
     public function socialAccounts()
     {
-        return $this->hasMany('BookStack\SocialAccount');
+        return $this->hasMany(SocialAccount::class);
     }
 
     /**
@@ -141,8 +160,16 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
      */
     public function getAvatar($size = 50)
     {
-        if ($this->image_id === 0 || $this->image_id === '0' || $this->image_id === null) return '/user_avatar.png';
-        return $this->avatar->getThumb($size, $size, false);
+        $default = baseUrl('/user_avatar.png');
+        $imageId = $this->image_id;
+        if ($imageId === 0 || $imageId === '0' || $imageId === null) return $default;
+
+        try {
+            $avatar = $this->avatar ? baseUrl($this->avatar->getThumb($size, $size, false)) : $default;
+        } catch (\Exception $err) {
+            $avatar = $default;
+        }
+        return $avatar;
     }
 
     /**
@@ -151,7 +178,7 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
      */
     public function avatar()
     {
-        return $this->belongsTo('BookStack\Image', 'image_id');
+        return $this->belongsTo(Image::class, 'image_id');
     }
 
     /**
@@ -160,7 +187,16 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
      */
     public function getEditUrl()
     {
-        return '/settings/users/' . $this->id;
+        return baseUrl('/settings/users/' . $this->id);
+    }
+
+    /**
+     * Get the url that links to this user's profile.
+     * @return mixed
+     */
+    public function getProfileUrl()
+    {
+        return baseUrl('/user/' . $this->id);
     }
 
     /**
@@ -177,4 +213,14 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
 
         return '';
     }
+
+    /**
+     * Send the password reset notification.
+     * @param  string  $token
+     * @return void
+     */
+    public function sendPasswordResetNotification($token)
+    {
+        $this->notify(new ResetPassword($token));
+    }
 }

app/View.php

@@ -1,8 +1,4 @@
-<?php
-
-namespace BookStack;
-
-use Illuminate\Database\Eloquent\Model;
+<?php namespace BookStack;
 
 class View extends Model
 {

app/helpers.php

@@ -1,74 +1,169 @@
 <?php
 
-if (!function_exists('versioned_asset')) {
-    /**
-     * Get the path to a versioned file.
-     *
-     * @param  string $file
-     * @return string
-     *
-     * @throws \InvalidArgumentException
-     */
-    function versioned_asset($file)
-    {
-        static $manifest = null;
+use BookStack\Ownable;
 
-        if (is_null($manifest)) {
-            $manifest = json_decode(file_get_contents(public_path('build/manifest.json')), true);
-        }
+/**
+ * Get the path to a versioned file.
+ *
+ * @param  string $file
+ * @return string
+ * @throws Exception
+ */
+function versioned_asset($file = '')
+{
+    static $version = null;
 
-        if (isset($manifest[$file])) {
-            return '/' . $manifest[$file];
-        }
-
-        if (file_exists(public_path($file))) {
-            return '/' . $file;
-        }
-
-        throw new InvalidArgumentException("File {$file} not defined in asset manifest.");
+    if (is_null($version)) {
+        $versionFile = base_path('version');
+        $version = trim(file_get_contents($versionFile));
     }
+
+    $additional = '';
+    if (config('app.env') === 'development') {
+        $additional = sha1_file(public_path($file));
+    }
+
+    $path = $file . '?version=' . urlencode($version) . $additional;
+    return baseUrl($path);
+}
+
+/**
+ * Helper method to get the current User.
+ * Defaults to public 'Guest' user if not logged in.
+ * @return \BookStack\User
+ */
+function user()
+{
+    return auth()->user() ?: \BookStack\User::getDefault();
+}
+
+/**
+ * Check if current user is a signed in user.
+ * @return bool
+ */
+function signedInUser()
+{
+    return auth()->user() && !auth()->user()->isDefault();
 }
 
 /**
  * Check if the current user has a permission.
- * If an ownable element is passed in the permissions are checked against
+ * If an ownable element is passed in the jointPermissions are checked against
  * that particular item.
  * @param $permission
- * @param \BookStack\Ownable $ownable
+ * @param Ownable $ownable
  * @return mixed
  */
-function userCan($permission, \BookStack\Ownable $ownable = null)
+function userCan($permission, Ownable $ownable = null)
 {
-    if (!auth()->check()) return false;
     if ($ownable === null) {
-        return auth()->user() && auth()->user()->can($permission);
+        return user() && user()->can($permission);
     }
 
     // Check permission on ownable item
-    $permissionBaseName = strtolower($permission) . '-';
-    $hasPermission = false;
-    if (auth()->user()->can($permissionBaseName . 'all')) $hasPermission = true;
-    if (auth()->user()->can($permissionBaseName . 'own') && $ownable->createdBy && $ownable->createdBy->id === auth()->user()->id) $hasPermission = true;
-
-    if (!$ownable instanceof \BookStack\Entity) return $hasPermission;
-
-    // Check restrictions on the entity
-    $restrictionService = app('BookStack\Services\RestrictionService');
-    $explodedPermission = explode('-', $permission);
-    $action = end($explodedPermission);
-    $hasAccess = $restrictionService->checkIfEntityRestricted($ownable, $action);
-    $restrictionsSet = $restrictionService->checkIfRestrictionsSet($ownable, $action);
-    return ($hasAccess && $restrictionsSet) || (!$restrictionsSet && $hasPermission);
+    $permissionService = app(\BookStack\Services\PermissionService::class);
+    return $permissionService->checkOwnableUserAccess($ownable, $permission);
 }
 
 /**
  * Helper to access system settings.
  * @param $key
  * @param bool $default
- * @return mixed
+ * @return bool|string|\BookStack\Services\SettingService
  */
-function setting($key, $default = false)
+function setting($key = null, $default = false)
 {
-    $settingService = app('BookStack\Services\SettingService');
+    $settingService = resolve(\BookStack\Services\SettingService::class);
+    if (is_null($key)) return $settingService;
     return $settingService->get($key, $default);
 }
+
+/**
+ * Helper to create url's relative to the applications root path.
+ * @param string $path
+ * @param bool $forceAppDomain
+ * @return string
+ */
+function baseUrl($path, $forceAppDomain = false)
+{
+    $isFullUrl = strpos($path, 'http') === 0;
+    if ($isFullUrl && !$forceAppDomain) return $path;
+    $path = trim($path, '/');
+
+    // Remove non-specified domain if forced and we have a domain
+    if ($isFullUrl && $forceAppDomain) {
+        $explodedPath = explode('/', $path);
+        $path = implode('/', array_splice($explodedPath, 3));
+    }
+
+    // Return normal url path if not specified in config
+    if (config('app.url') === '') {
+        return url($path);
+    }
+
+    return rtrim(config('app.url'), '/') . '/' . $path;
+}
+
+/**
+ * Get an instance of the redirector.
+ * Overrides the default laravel redirect helper.
+ * Ensures it redirects even when the app is in a subdirectory.
+ *
+ * @param  string|null  $to
+ * @param  int     $status
+ * @param  array   $headers
+ * @param  bool    $secure
+ * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse
+ */
+function redirect($to = null, $status = 302, $headers = [], $secure = null)
+{
+    if (is_null($to)) {
+        return app('redirect');
+    }
+
+    $to = baseUrl($to);
+
+    return app('redirect')->to($to, $status, $headers, $secure);
+}
+
+function icon($name, $attrs = []) {
+    $iconPath = resource_path('assets/icons/' . $name . '.svg');
+    $attrString = ' ';
+    foreach ($attrs as $attrName => $attr) {
+        $attrString .=  $attrName . '="' . $attr . '" ';
+    }
+    $fileContents = file_get_contents($iconPath);
+    return  str_replace('<svg', '<svg' . $attrString, $fileContents);
+}
+
+/**
+ * Generate a url with multiple parameters for sorting purposes.
+ * Works out the logic to set the correct sorting direction
+ * Discards empty parameters and allows overriding.
+ * @param $path
+ * @param array $data
+ * @param array $overrideData
+ * @return string
+ */
+function sortUrl($path, $data, $overrideData = [])
+{
+    $queryStringSections = [];
+    $queryData = array_merge($data, $overrideData);
+
+    // Change sorting direction is already sorted on current attribute
+    if (isset($overrideData['sort']) && $overrideData['sort'] === $data['sort']) {
+        $queryData['order'] = ($data['order'] === 'asc') ? 'desc' : 'asc';
+    } else {
+        $queryData['order'] = 'asc';
+    }
+
+    foreach ($queryData as $name => $value) {
+        $trimmedVal = trim($value);
+        if ($trimmedVal === '') continue;
+        $queryStringSections[] = urlencode($name) . '=' . urlencode($trimmedVal);
+    }
+
+    if (count($queryStringSections) === 0) return $path;
+
+    return baseUrl($path . '?' . implode('&', $queryStringSections));
+}

bootstrap/autoload.php

@@ -14,6 +14,7 @@ define('LARAVEL_START', microtime(true));
 |
 */
 
+require __DIR__.'/../app/helpers.php';
 require __DIR__.'/../vendor/autoload.php';
 
 /*

composer.json

@@ -5,23 +5,28 @@
     "license": "MIT",
     "type": "project",
     "require": {
-        "php": ">=5.5.9",
-        "laravel/framework": "5.2.*",
+        "php": ">=5.6.4",
+        "laravel/framework": "5.4.*",
+        "ext-tidy": "*",
         "intervention/image": "^2.3",
-        "laravel/socialite": "^2.0",
-        "barryvdh/laravel-ide-helper": "^2.1",
-        "barryvdh/laravel-debugbar": "^2.0",
+        "laravel/socialite": "^3.0",
+        "barryvdh/laravel-ide-helper": "^2.2.3",
+        "barryvdh/laravel-debugbar": "^2.3.2",
         "league/flysystem-aws-s3-v3": "^1.0",
-        "barryvdh/laravel-dompdf": "0.6.*",
-        "predis/predis": "^1.0"
+        "barryvdh/laravel-dompdf": "^0.8",
+        "predis/predis": "^1.1",
+        "gathercontent/htmldiff": "^0.2.1",
+        "barryvdh/laravel-snappy": "^0.3.1",
+        "laravel/browser-kit-testing": "^1.0",
+        "socialiteproviders/slack": "^3.0",
+        "socialiteproviders/microsoft-azure": "^3.0"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",
         "mockery/mockery": "0.9.*",
-        "phpunit/phpunit": "~4.0",
-        "phpspec/phpspec": "~2.1",
-        "symfony/dom-crawler": "~3.0",
-        "symfony/css-selector": "~3.0"
+        "phpunit/phpunit": "~5.0",
+        "symfony/css-selector": "3.1.*",
+        "symfony/dom-crawler": "3.1.*"
     },
     "autoload": {
         "classmap": [
@@ -29,32 +34,41 @@
         ],
         "psr-4": {
             "BookStack\\": "app/"
-        },
-        "files": [
-            "app/helpers.php"
-        ]
+        }
     },
     "autoload-dev": {
-        "classmap": [
-            "tests/TestCase.php"
-        ]
+        "psr-4": {
+            "Tests\\": "tests/"
+        }
     },
     "scripts": {
-        "post-install-cmd": [
-            "php artisan clear-compiled",
-            "php artisan optimize"
-        ],
-        "pre-update-cmd": [
-            "php artisan clear-compiled"
-        ],
-        "post-update-cmd": [
-            "php artisan optimize"
-        ],
         "post-root-package-install": [
-            "php -r \"copy('.env.example', '.env');\""
+            "php -r \"file_exists('.env') || copy('.env.example', '.env');\""
         ],
         "post-create-project-cmd": [
             "php artisan key:generate"
+        ],
+        "pre-update-cmd": [
+            "php -r \"!file_exists('bootstrap/cache/services.php') || @unlink('bootstrap/cache/services.php');\"",
+            "php -r \"!file_exists('bootstrap/cache/compiled.php') || @unlink('bootstrap/cache/compiled.php');\""
+        ],
+        "pre-install-cmd": [
+            "php -r \"!file_exists('bootstrap/cache/services.php') || @unlink('bootstrap/cache/services.php');\"",
+            "php -r \"!file_exists('bootstrap/cache/compiled.php') || @unlink('bootstrap/cache/compiled.php');\""
+        ],
+        "post-install-cmd": [
+            "Illuminate\\Foundation\\ComposerScripts::postInstall",
+            "php artisan optimize",
+            "php artisan cache:clear",
+            "php artisan view:clear"
+        ],
+        "post-update-cmd": [
+            "Illuminate\\Foundation\\ComposerScripts::postUpdate",
+            "php artisan optimize"
+        ],
+        "refresh-test-database": [
+            "php artisan migrate:refresh --database=mysql_testing",
+            "php artisan db:seed --class=DummyContentSeeder --database=mysql_testing"
         ]
     },
     "config": {

config/app.php

@@ -31,7 +31,7 @@ return [
     |
     */
 
-    'url' => env('APP_URL', 'http://localhost'),
+    'url' => env('APP_URL', '') === 'http://bookstack.dev' ? '' : env('APP_URL', ''),
 
     /*
     |--------------------------------------------------------------------------
@@ -57,7 +57,8 @@ return [
     |
     */
 
-    'locale' => 'en',
+    'locale' => env('APP_LANG', 'en'),
+    'locales' => ['en', 'de', 'es', 'es_AR', 'fr', 'nl', 'pt_BR', 'sk', 'ja', 'pl', 'it', 'ru'],
 
     /*
     |--------------------------------------------------------------------------
@@ -100,7 +101,7 @@ return [
     |
     */
 
-    'log' => 'single',
+    'log' => env('APP_LOGGING', 'single'),
 
     /*
     |--------------------------------------------------------------------------
@@ -130,7 +131,6 @@ return [
         Illuminate\Foundation\Providers\FoundationServiceProvider::class,
         Illuminate\Hashing\HashServiceProvider::class,
         Illuminate\Mail\MailServiceProvider::class,
-        Illuminate\Pagination\PaginationServiceProvider::class,
         Illuminate\Pipeline\PipelineServiceProvider::class,
         Illuminate\Queue\QueueServiceProvider::class,
         Illuminate\Redis\RedisServiceProvider::class,
@@ -139,7 +139,8 @@ return [
         Illuminate\Translation\TranslationServiceProvider::class,
         Illuminate\Validation\ValidationServiceProvider::class,
         Illuminate\View\ViewServiceProvider::class,
-        Laravel\Socialite\SocialiteServiceProvider::class,
+        Illuminate\Notifications\NotificationServiceProvider::class,
+        SocialiteProviders\Manager\ServiceProvider::class,
 
         /**
          * Third Party
@@ -148,13 +149,17 @@ return [
         Barryvdh\DomPDF\ServiceProvider::class,
         Barryvdh\LaravelIdeHelper\IdeHelperServiceProvider::class,
         Barryvdh\Debugbar\ServiceProvider::class,
+        Barryvdh\Snappy\ServiceProvider::class,
 
 
         /*
          * Application Service Providers...
          */
+        BookStack\Providers\PaginationServiceProvider::class,
+
         BookStack\Providers\AuthServiceProvider::class,
         BookStack\Providers\AppServiceProvider::class,
+        BookStack\Providers\BroadcastServiceProvider::class,
         BookStack\Providers\EventServiceProvider::class,
         BookStack\Providers\RouteServiceProvider::class,
         BookStack\Providers\CustomFacadeProvider::class,
@@ -193,6 +198,7 @@ return [
         'Lang'      => Illuminate\Support\Facades\Lang::class,
         'Log'       => Illuminate\Support\Facades\Log::class,
         'Mail'      => Illuminate\Support\Facades\Mail::class,
+        'Notification' => Illuminate\Support\Facades\Notification::class,
         'Password'  => Illuminate\Support\Facades\Password::class,
         'Queue'     => Illuminate\Support\Facades\Queue::class,
         'Redirect'  => Illuminate\Support\Facades\Redirect::class,
@@ -214,6 +220,7 @@ return [
 
         'ImageTool' => Intervention\Image\Facades\Image::class,
         'PDF' => Barryvdh\DomPDF\Facade::class,
+        'SnappyPDF' => Barryvdh\Snappy\Facades\SnappyPdf::class,
         'Debugbar'  => Barryvdh\Debugbar\Facade::class,
 
         /**