Updated version and assets for release v22.02.1

- Updated bug report template to capture browser.
- Updated readme roadmap.
- Bumped dev version.

.env.example.complete

@@ -100,8 +100,7 @@ MEMCACHED_SERVERS=127.0.0.1:11211:100
 REDIS_SERVERS=127.0.0.1:6379:0
 
 # Queue driver to use
-# Queue not really currently used but may be configurable in the future.
-# Would advise not to change this for now.
+# Can be 'sync', 'database' or 'redis'
 QUEUE_CONNECTION=sync
 
 # Storage system to use
@@ -134,7 +133,7 @@ STORAGE_S3_ENDPOINT=https://my-custom-s3-compatible.service.com:8001
 STORAGE_URL=false
 
 # Authentication method to use
-# Can be 'standard', 'ldap' or 'saml2'
+# Can be 'standard', 'ldap', 'saml2' or 'oidc'
 AUTH_METHOD=standard
 
 # Social authentication configuration
@@ -242,6 +241,7 @@ SAML2_GROUP_ATTRIBUTE=group
 SAML2_REMOVE_FROM_GROUPS=false
 
 # OpenID Connect authentication configuration
+# Refer to https://www.bookstackapp.com/docs/admin/oidc-auth/
 OIDC_NAME=SSO
 OIDC_DISPLAY_NAME_CLAIMS=name
 OIDC_CLIENT_ID=null
@@ -293,6 +293,15 @@ REVISION_LIMIT=50
 # Set to -1 for unlimited recycle bin lifetime.
 RECYCLE_BIN_LIFETIME=30
 
+# File Upload Limit
+# Maximum file size, in megabytes, that can be uploaded to the system.
+FILE_UPLOAD_SIZE_LIMIT=50
+
+# Export Page Size
+# Primarily used to determine page size of PDF exports.
+# Can be 'a4' or 'letter'.
+EXPORT_PAGE_SIZE=a4
+
 # Allow <script> tags in page content
 # Note, if set to 'true' the page editor may still escape scripts.
 ALLOW_CONTENT_SCRIPTS=false

.github/ISSUE_TEMPLATE/api_request.yml

@@ -1,6 +1,5 @@
 name: New API Endpoint or API Ability
 description: Request a new endpoint or API feature be added
-title: "[API Request]: "
 labels: [":nut_and_bolt: API Request"]
 body:
   - type: textarea

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,6 +1,5 @@
 name: Bug Report
 description: Create a report to help us improve or fix things
-title: "[Bug Report]: "
 labels: [":bug: Bug"]
 body:
   - type: textarea
@@ -36,6 +35,15 @@ body:
       description: Provide any additional context and screenshots here to help us solve this issue
     validations:
       required: false
+  - type: input
+    id: browserdetails
+    attributes:
+      label: Browser Details
+      description: |
+        If this is an issue that occurs when using the BookStack interface, please provide details of the browser used which presents the reported issue.
+      placeholder: (eg. Firefox 97 (64-bit) on Windows 11)
+    validations:
+      required: false
   - type: input
     id: bsversion
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,6 +1,5 @@
 name: Feature Request
-description: Request a new language to be added to CrowdIn for you to translate
-title: "[Feature Request]: "
+description: Request a new feature or idea to be added to BookStack
 labels: [":hammer: Feature Request"]
 body:
   - type: textarea
@@ -13,8 +12,41 @@ body:
   - type: textarea
     id: benefits
     attributes:
-      label: Describe the benefits this feature would bring to BookStack users
-      description: Explain the measurable benefits this feature would achieve for existing BookStack users
+      label: Describe the benefits this would bring to existing BookStack users
+      description: |
+        Explain the measurable benefits this feature would achieve for existing BookStack users.
+        These benefits should details outcomes in terms of what this request solves/achieves, and should not be specific to implementation.
+        This helps us understand the core desired goal so that a variety of potential implementations could be explored.
+        This field is important. Lack if input here may lead to early issue closure.
+    validations:
+      required: true
+  - type: textarea
+    id: already_achieved
+    attributes:
+      label: Can the goal of this request already be achieved via other means?
+      description: |
+        Yes/No. If yes, please describe how the requested approach fits in with the existing method.
+    validations:
+      required: true
+  - type: checkboxes
+    id: confirm-search
+    attributes:
+      label: Have you searched for an existing open/closed issue?
+      description: |
+        To help us keep these issues under control, please ensure you have first [searched our issue list](https://github.com/BookStackApp/BookStack/issues?q=is%3Aissue) for any existing issues that cover the fundemental benefit/goal of your request.
+      options:
+        - label: I have searched for existing issues and none cover my fundemental request
+          required: true
+  - type: dropdown
+    id: existing_usage
+    attributes:
+      label: How long have you been using BookStack?
+      options:
+        - Not using yet, just scoping
+        - 0 to 6 months
+        - 6 months to 1 year
+        - 1 to 5 years
+        - Over 5 years
     validations:
       required: true
   - type: textarea

.github/ISSUE_TEMPLATE/language_request.yml

@@ -1,6 +1,5 @@
 name: Language Request
 description: Request a new language to be added to CrowdIn for you to translate
-title: "[Language Request]: "
 labels: [":earth_africa: Translations"]
 assignees:
   - ssddanbrown

.github/ISSUE_TEMPLATE/support_request.yml

@@ -1,6 +1,5 @@
 name: Support Request
 description: Request support for a specific problem you have not been able to solve yourself
-title: "[Support Request]: "
 labels: [":dog2: Support"]
 body:
   - type: checkboxes

.github/translators.txt

@@ -126,7 +126,7 @@ Zenahr Barzani (Zenahr) :: German; Japanese; Dutch; German Informal
 tatsuya.info :: Japanese
 fadiapp :: Arabic
 Jakub Bouček (jakubboucek) :: Czech
-Marco (cdrfun) :: German
+Marco (cdrfun) :: German; German Informal
 10935336 :: Chinese Simplified
 孟繁阳 (FanyangMeng) :: Chinese Simplified
 Andrej Močan (andrejm) :: Slovenian
@@ -158,7 +158,7 @@ HenrijsS :: Latvian
 Pascal R-B (pborgner) :: German
 Boris (Ginfred) :: Russian
 Jonas Anker Rasmussen (jonasanker) :: Danish
-Gerwin de Keijzer (gdekeijzer) :: Dutch; German; German Informal
+Gerwin de Keijzer (gdekeijzer) :: Dutch; German Informal; German
 kometchtech :: Japanese
 Auri (Atalonica) :: Catalan
 Francesco Franchina (ffranchina) :: Italian
@@ -196,3 +196,37 @@ Indrek Haav (IndrekHaav) :: Estonian
 na3shkw :: Japanese
 Giancarlo Di Massa (digitall-it) :: Italian
 M Nafis Al Mukhdi (mnafisalmukhdi1) :: Indonesian
+sulfo :: Danish
+Raukze :: German
+zygimantus :: Lithuanian
+marinkaberg :: Russian
+Vitaliy (gviabcua) :: Ukrainian
+mannycarreiro :: Portuguese
+Thiago Rafael Pereira de Carvalho (thiago.rafael) :: Portuguese, Brazilian
+Ken Roger Bolgnes (kenbo124) :: Norwegian Bokmal
+Nguyen Hung Phuong (hnwolf) :: Vietnamese
+Umut ERGENE (umutergene67) :: Turkish
+Tomáš Batelka (Vofy) :: Czech
+Mundo Racional (ismael.mesquita) :: Portuguese, Brazilian
+Zarik (3apuk) :: Russian
+Ali Shaatani (a.shaatani) :: Arabic
+ChacMaster :: Portuguese, Brazilian
+Saeed (saeed205) :: Persian
+Julesdevops :: French
+peter cerny (posli.to.semka) :: Slovak
+Pavel Karlin (pavelkarlin) :: Russian
+SmokingCrop :: Dutch
+Maciej Lebiest (Szwendacz) :: Polish
+DiscordDigital :: German; German Informal
+Gábor Marton (dodver) :: Hungarian
+Jasell :: Swedish
+Ghost_chu (ghostchu) :: Chinese Simplified
+Ravid Shachar (ravidshachar) :: Hebrew
+Helga Guchshenskaya (guchshenskaya) :: Russian
+daniel chou (chou0214) :: Chinese Traditional
+Manolis PATRIARCHE (m.patriarche) :: French
+Mohammed Haboubi (haboubi92) :: Arabic
+roncallyt :: Portuguese, Brazilian
+goegol :: Dutch
+msevgen :: Turkish
+Khroners :: French

.github/workflows/phpstan.yml

@@ -0,0 +1,36 @@
+name: phpstan
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    if: ${{ github.ref != 'refs/heads/l10n_development' }}
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        php: ['7.4']
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php }}
+        extensions: gd, mbstring, json, curl, xml, mysql, ldap
+
+    - name: Get Composer Cache Directory
+      id: composer-cache
+      run: |
+        echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+    - name: Cache composer packages
+      uses: actions/cache@v1
+      with:
+        path: ${{ steps.composer-cache.outputs.dir }}
+        key: ${{ runner.os }}-composer-${{ matrix.php }}
+
+    - name: Install composer dependencies
+      run: composer install --prefer-dist --no-interaction --ansi
+
+    - name: Run PHPStan
+      run: php${{ matrix.php }} ./vendor/bin/phpstan analyse --memory-limit=2G

.github/workflows/phpunit.yml

@@ -1,24 +1,19 @@
 name: phpunit
 
-on:
-  push:
-    branches-ignore:
-      - l10n_master
-  pull_request:
-    branches-ignore:
-      - l10n_master
+on: [push, pull_request]
 
 jobs:
   build:
+    if: ${{ github.ref != 'refs/heads/l10n_development' }}
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        php: ['7.3', '7.4', '8.0']
+        php: ['7.4', '8.0', '8.1']
     steps:
     - uses: actions/checkout@v1
 
     - name: Setup PHP
-      uses: shivammathur/setup-php@b7d1d9c9a92d8d8463ce36d7f60da34d461724f8
+      uses: shivammathur/setup-php@v2
       with:
         php-version: ${{ matrix.php }}
         extensions: gd, mbstring, json, curl, xml, mysql, ldap
@@ -36,7 +31,7 @@ jobs:
 
     - name: Start Database
       run: |
-        sudo /etc/init.d/mysql start
+        sudo systemctl start mysql
 
     - name: Setup Database
       run: |
@@ -45,7 +40,7 @@ jobs:
         mysql -uroot -proot -e "GRANT ALL ON \`bookstack-test\`.* TO 'bookstack-test'@'localhost';"
         mysql -uroot -proot -e 'FLUSH PRIVILEGES;'
 
-    - name: Install composer dependencies & Test
+    - name: Install composer dependencies
       run: composer install --prefer-dist --no-interaction --ansi
 
     - name: Migrate and seed the database

.github/workflows/test-migrations.yml

@@ -1,24 +1,19 @@
 name: test-migrations
 
-on:
-  push:
-    branches-ignore:
-      - l10n_master
-  pull_request:
-    branches-ignore:
-      - l10n_master
+on: [push, pull_request]
 
 jobs:
   build:
+    if: ${{ github.ref != 'refs/heads/l10n_development' }}
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        php: ['7.3', '7.4', '8.0']
+        php: ['7.4', '8.0', '8.1']
     steps:
       - uses: actions/checkout@v1
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@b7d1d9c9a92d8d8463ce36d7f60da34d461724f8
+        uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
           extensions: gd, mbstring, json, curl, xml, mysql, ldap
@@ -36,7 +31,7 @@ jobs:
 
       - name: Start MySQL
         run: |
-          sudo /etc/init.d/mysql start
+          sudo systemctl start mysql
 
       - name: Create database & user
         run: |

.gitignore

@@ -23,4 +23,5 @@ nbproject
 .settings/
 webpack-stats.json
 .phpunit.result.cache
-.DS_Store
+.DS_Store
+phpstan.neon

app/Actions/Activity.php

@@ -61,7 +61,7 @@ class Activity extends Model
     /**
      * Checks if another Activity matches the general information of another.
      */
-    public function isSimilarTo(Activity $activityB): bool
+    public function isSimilarTo(self $activityB): bool
     {
         return [$this->type, $this->entity_type, $this->entity_id] === [$activityB->type, $activityB->entity_type, $activityB->entity_id];
     }

app/Actions/ActivityLogger.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace BookStack\Actions;
+
+use BookStack\Auth\Permissions\PermissionService;
+use BookStack\Entities\Models\Entity;
+use BookStack\Interfaces\Loggable;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Facades\Log;
+
+class ActivityLogger
+{
+    protected $permissionService;
+
+    public function __construct(PermissionService $permissionService)
+    {
+        $this->permissionService = $permissionService;
+    }
+
+    /**
+     * Add a generic activity event to the database.
+     *
+     * @param string|Loggable $detail
+     */
+    public function add(string $type, $detail = '')
+    {
+        $detailToStore = ($detail instanceof Loggable) ? $detail->logDescriptor() : $detail;
+
+        $activity = $this->newActivityForUser($type);
+        $activity->detail = $detailToStore;
+
+        if ($detail instanceof Entity) {
+            $activity->entity_id = $detail->id;
+            $activity->entity_type = $detail->getMorphClass();
+        }
+
+        $activity->save();
+        $this->setNotification($type);
+        $this->dispatchWebhooks($type, $detail);
+    }
+
+    /**
+     * Get a new activity instance for the current user.
+     */
+    protected function newActivityForUser(string $type): Activity
+    {
+        $ip = request()->ip() ?? '';
+
+        return (new Activity())->forceFill([
+            'type'     => strtolower($type),
+            'user_id'  => user()->id,
+            'ip'       => config('app.env') === 'demo' ? '127.0.0.1' : $ip,
+        ]);
+    }
+
+    /**
+     * Removes the entity attachment from each of its activities
+     * and instead uses the 'extra' field with the entities name.
+     * Used when an entity is deleted.
+     */
+    public function removeEntity(Entity $entity)
+    {
+        $entity->activity()->update([
+            'detail'       => $entity->name,
+            'entity_id'    => null,
+            'entity_type'  => null,
+        ]);
+    }
+
+    /**
+     * Flashes a notification message to the session if an appropriate message is available.
+     */
+    protected function setNotification(string $type): void
+    {
+        $notificationTextKey = 'activities.' . $type . '_notification';
+        if (trans()->has($notificationTextKey)) {
+            $message = trans($notificationTextKey);
+            session()->flash('success', $message);
+        }
+    }
+
+    /**
+     * @param string|Loggable $detail
+     */
+    protected function dispatchWebhooks(string $type, $detail): void
+    {
+        $webhooks = Webhook::query()
+            ->whereHas('trackedEvents', function (Builder $query) use ($type) {
+                $query->where('event', '=', $type)
+                    ->orWhere('event', '=', 'all');
+            })
+            ->where('active', '=', true)
+            ->get();
+
+        foreach ($webhooks as $webhook) {
+            dispatch(new DispatchWebhookJob($webhook, $type, $detail));
+        }
+    }
+
+    /**
+     * Log out a failed login attempt, Providing the given username
+     * as part of the message if the '%u' string is used.
+     */
+    public function logFailedLogin(string $username)
+    {
+        $message = config('logging.failed_login.message');
+        if (!$message) {
+            return;
+        }
+
+        $message = str_replace('%u', $username, $message);
+        $channel = config('logging.failed_login.channel');
+        Log::channel($channel)->warning($message);
+    }
+}

app/Actions/ActivityQueries.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace BookStack\Actions;
+
+use BookStack\Auth\Permissions\PermissionService;
+use BookStack\Auth\User;
+use BookStack\Entities\Models\Book;
+use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Entity;
+use BookStack\Entities\Models\Page;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Relations\Relation;
+
+class ActivityQueries
+{
+    protected $permissionService;
+
+    public function __construct(PermissionService $permissionService)
+    {
+        $this->permissionService = $permissionService;
+    }
+
+    /**
+     * Gets the latest activity.
+     */
+    public function latest(int $count = 20, int $page = 0): array
+    {
+        $activityList = $this->permissionService
+            ->filterRestrictedEntityRelations(Activity::query(), 'activities', 'entity_id', 'entity_type')
+            ->orderBy('created_at', 'desc')
+            ->with(['user', 'entity'])
+            ->skip($count * $page)
+            ->take($count)
+            ->get();
+
+        return $this->filterSimilar($activityList);
+    }
+
+    /**
+     * Gets the latest activity for an entity, Filtering out similar
+     * items to prevent a message activity list.
+     */
+    public function entityActivity(Entity $entity, int $count = 20, int $page = 1): array
+    {
+        /** @var array<string, int[]> $queryIds */
+        $queryIds = [$entity->getMorphClass() => [$entity->id]];
+
+        if ($entity instanceof Book) {
+            $queryIds[(new Chapter())->getMorphClass()] = $entity->chapters()->scopes('visible')->pluck('id');
+        }
+        if ($entity instanceof Book || $entity instanceof Chapter) {
+            $queryIds[(new Page())->getMorphClass()] = $entity->pages()->scopes('visible')->pluck('id');
+        }
+
+        $query = Activity::query();
+        $query->where(function (Builder $query) use ($queryIds) {
+            foreach ($queryIds as $morphClass => $idArr) {
+                $query->orWhere(function (Builder $innerQuery) use ($morphClass, $idArr) {
+                    $innerQuery->where('entity_type', '=', $morphClass)
+                        ->whereIn('entity_id', $idArr);
+                });
+            }
+        });
+
+        $activity = $query->orderBy('created_at', 'desc')
+            ->with(['entity' => function (Relation $query) {
+                $query->withTrashed();
+            }, 'user.avatar'])
+            ->skip($count * ($page - 1))
+            ->take($count)
+            ->get();
+
+        return $this->filterSimilar($activity);
+    }
+
+    /**
+     * Get the latest activity for a user, Filtering out similar items.
+     */
+    public function userActivity(User $user, int $count = 20, int $page = 0): array
+    {
+        $activityList = $this->permissionService
+            ->filterRestrictedEntityRelations(Activity::query(), 'activities', 'entity_id', 'entity_type')
+            ->orderBy('created_at', 'desc')
+            ->where('user_id', '=', $user->id)
+            ->skip($count * $page)
+            ->take($count)
+            ->get();
+
+        return $this->filterSimilar($activityList);
+    }
+
+    /**
+     * Filters out similar activity.
+     *
+     * @param Activity[] $activities
+     */
+    protected function filterSimilar(iterable $activities): array
+    {
+        $newActivity = [];
+        $previousItem = null;
+
+        foreach ($activities as $activityItem) {
+            if (!$previousItem || !$activityItem->isSimilarTo($previousItem)) {
+                $newActivity[] = $activityItem;
+            }
+
+            $previousItem = $activityItem;
+        }
+
+        return $newActivity;
+    }
+}

app/Actions/ActivityService.php

@@ -1,200 +0,0 @@
-<?php
-
-namespace BookStack\Actions;
-
-use BookStack\Auth\Permissions\PermissionService;
-use BookStack\Auth\User;
-use BookStack\Entities\Models\Chapter;
-use BookStack\Entities\Models\Entity;
-use BookStack\Entities\Models\Page;
-use BookStack\Interfaces\Loggable;
-use Illuminate\Database\Eloquent\Builder;
-use Illuminate\Database\Eloquent\Relations\Relation;
-use Illuminate\Support\Facades\Log;
-
-class ActivityService
-{
-    protected $activity;
-    protected $permissionService;
-
-    public function __construct(Activity $activity, PermissionService $permissionService)
-    {
-        $this->activity = $activity;
-        $this->permissionService = $permissionService;
-    }
-
-    /**
-     * Add activity data to database for an entity.
-     */
-    public function addForEntity(Entity $entity, string $type)
-    {
-        $activity = $this->newActivityForUser($type);
-        $entity->activity()->save($activity);
-        $this->setNotification($type);
-    }
-
-    /**
-     * Add a generic activity event to the database.
-     *
-     * @param string|Loggable $detail
-     */
-    public function add(string $type, $detail = '')
-    {
-        if ($detail instanceof Loggable) {
-            $detail = $detail->logDescriptor();
-        }
-
-        $activity = $this->newActivityForUser($type);
-        $activity->detail = $detail;
-        $activity->save();
-        $this->setNotification($type);
-    }
-
-    /**
-     * Get a new activity instance for the current user.
-     */
-    protected function newActivityForUser(string $type): Activity
-    {
-        $ip = request()->ip() ?? '';
-
-        return $this->activity->newInstance()->forceFill([
-            'type'     => strtolower($type),
-            'user_id'  => user()->id,
-            'ip'       => config('app.env') === 'demo' ? '127.0.0.1' : $ip,
-        ]);
-    }
-
-    /**
-     * Removes the entity attachment from each of its activities
-     * and instead uses the 'extra' field with the entities name.
-     * Used when an entity is deleted.
-     */
-    public function removeEntity(Entity $entity)
-    {
-        $entity->activity()->update([
-            'detail'       => $entity->name,
-            'entity_id'    => null,
-            'entity_type'  => null,
-        ]);
-    }
-
-    /**
-     * Gets the latest activity.
-     */
-    public function latest(int $count = 20, int $page = 0): array
-    {
-        $activityList = $this->permissionService
-            ->filterRestrictedEntityRelations($this->activity->newQuery(), 'activities', 'entity_id', 'entity_type')
-            ->orderBy('created_at', 'desc')
-            ->with(['user', 'entity'])
-            ->skip($count * $page)
-            ->take($count)
-            ->get();
-
-        return $this->filterSimilar($activityList);
-    }
-
-    /**
-     * Gets the latest activity for an entity, Filtering out similar
-     * items to prevent a message activity list.
-     */
-    public function entityActivity(Entity $entity, int $count = 20, int $page = 1): array
-    {
-        /** @var [string => int[]] $queryIds */
-        $queryIds = [$entity->getMorphClass() => [$entity->id]];
-
-        if ($entity->isA('book')) {
-            $queryIds[(new Chapter())->getMorphClass()] = $entity->chapters()->visible()->pluck('id');
-        }
-        if ($entity->isA('book') || $entity->isA('chapter')) {
-            $queryIds[(new Page())->getMorphClass()] = $entity->pages()->visible()->pluck('id');
-        }
-
-        $query = $this->activity->newQuery();
-        $query->where(function (Builder $query) use ($queryIds) {
-            foreach ($queryIds as $morphClass => $idArr) {
-                $query->orWhere(function (Builder $innerQuery) use ($morphClass, $idArr) {
-                    $innerQuery->where('entity_type', '=', $morphClass)
-                        ->whereIn('entity_id', $idArr);
-                });
-            }
-        });
-
-        $activity = $query->orderBy('created_at', 'desc')
-            ->with(['entity' => function (Relation $query) {
-                $query->withTrashed();
-            }, 'user.avatar'])
-            ->skip($count * ($page - 1))
-            ->take($count)
-            ->get();
-
-        return $this->filterSimilar($activity);
-    }
-
-    /**
-     * Get latest activity for a user, Filtering out similar items.
-     */
-    public function userActivity(User $user, int $count = 20, int $page = 0): array
-    {
-        $activityList = $this->permissionService
-            ->filterRestrictedEntityRelations($this->activity->newQuery(), 'activities', 'entity_id', 'entity_type')
-            ->orderBy('created_at', 'desc')
-            ->where('user_id', '=', $user->id)
-            ->skip($count * $page)
-            ->take($count)
-            ->get();
-
-        return $this->filterSimilar($activityList);
-    }
-
-    /**
-     * Filters out similar activity.
-     *
-     * @param Activity[] $activities
-     *
-     * @return array
-     */
-    protected function filterSimilar(iterable $activities): array
-    {
-        $newActivity = [];
-        $previousItem = null;
-
-        foreach ($activities as $activityItem) {
-            if (!$previousItem || !$activityItem->isSimilarTo($previousItem)) {
-                $newActivity[] = $activityItem;
-            }
-
-            $previousItem = $activityItem;
-        }
-
-        return $newActivity;
-    }
-
-    /**
-     * Flashes a notification message to the session if an appropriate message is available.
-     */
-    protected function setNotification(string $type)
-    {
-        $notificationTextKey = 'activities.' . $type . '_notification';
-        if (trans()->has($notificationTextKey)) {
-            $message = trans($notificationTextKey);
-            session()->flash('success', $message);
-        }
-    }
-
-    /**
-     * Log out a failed login attempt, Providing the given username
-     * as part of the message if the '%u' string is used.
-     */
-    public function logFailedLogin(string $username)
-    {
-        $message = config('logging.failed_login.message');
-        if (!$message) {
-            return;
-        }
-
-        $message = str_replace('%u', $username, $message);
-        $channel = config('logging.failed_login.channel');
-        Log::channel($channel)->warning($message);
-    }
-}

app/Actions/ActivityType.php

@@ -53,4 +53,16 @@ class ActivityType
 
     const MFA_SETUP_METHOD = 'mfa_setup_method';
     const MFA_REMOVE_METHOD = 'mfa_remove_method';
+
+    const WEBHOOK_CREATE = 'webhook_create';
+    const WEBHOOK_UPDATE = 'webhook_update';
+    const WEBHOOK_DELETE = 'webhook_delete';
+
+    /**
+     * Get all the possible values.
+     */
+    public static function all(): array
+    {
+        return (new \ReflectionClass(static::class))->getConstants();
+    }
 }

app/Actions/Comment.php

@@ -4,6 +4,7 @@ namespace BookStack\Actions;
 
 use BookStack\Model;
 use BookStack\Traits\HasCreatorAndUpdater;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\MorphTo;
 
 /**
@@ -15,6 +16,7 @@ use Illuminate\Database\Eloquent\Relations\MorphTo;
  */
 class Comment extends Model
 {
+    use HasFactory;
     use HasCreatorAndUpdater;
 
     protected $fillable = ['text', 'parent_id'];

app/Actions/CommentRepo.php

@@ -45,7 +45,7 @@ class CommentRepo
         $comment->parent_id = $parent_id;
 
         $entity->comments()->save($comment);
-        ActivityService::addForEntity($entity, ActivityType::COMMENTED_ON);
+        ActivityService::add(ActivityType::COMMENTED_ON, $entity);
 
         return $comment;
     }
@@ -90,8 +90,9 @@ class CommentRepo
      */
     protected function getNextLocalId(Entity $entity): int
     {
-        $comments = $entity->comments(false)->orderBy('local_id', 'desc')->first();
+        /** @var Comment $comment */
+        $comment = $entity->comments(false)->orderBy('local_id', 'desc')->first();
 
-        return ($comments->local_id ?? 0) + 1;
+        return ($comment->local_id ?? 0) + 1;
     }
 }

app/Actions/DispatchWebhookJob.php

@@ -0,0 +1,132 @@
+<?php
+
+namespace BookStack\Actions;
+
+use BookStack\Auth\User;
+use BookStack\Entities\Models\Entity;
+use BookStack\Facades\Theme;
+use BookStack\Interfaces\Loggable;
+use BookStack\Model;
+use BookStack\Theming\ThemeEvents;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Log;
+
+class DispatchWebhookJob implements ShouldQueue
+{
+    use Dispatchable;
+    use InteractsWithQueue;
+    use Queueable;
+    use SerializesModels;
+
+    /**
+     * @var Webhook
+     */
+    protected $webhook;
+
+    /**
+     * @var string
+     */
+    protected $event;
+
+    /**
+     * @var string|Loggable
+     */
+    protected $detail;
+
+    /**
+     * @var User
+     */
+    protected $initiator;
+
+    /**
+     * @var int
+     */
+    protected $initiatedTime;
+
+    /**
+     * Create a new job instance.
+     *
+     * @return void
+     */
+    public function __construct(Webhook $webhook, string $event, $detail)
+    {
+        $this->webhook = $webhook;
+        $this->event = $event;
+        $this->detail = $detail;
+        $this->initiator = user();
+        $this->initiatedTime = time();
+    }
+
+    /**
+     * Execute the job.
+     *
+     * @return void
+     */
+    public function handle()
+    {
+        $themeResponse = Theme::dispatch(ThemeEvents::WEBHOOK_CALL_BEFORE, $this->event, $this->webhook, $this->detail);
+        $webhookData = $themeResponse ?? $this->buildWebhookData();
+        $lastError = null;
+
+        try {
+            $response = Http::asJson()
+                ->withOptions(['allow_redirects' => ['strict' => true]])
+                ->timeout($this->webhook->timeout)
+                ->post($this->webhook->endpoint, $webhookData);
+        } catch (\Exception $exception) {
+            $lastError = $exception->getMessage();
+            Log::error("Webhook call to endpoint {$this->webhook->endpoint} failed with error \"{$lastError}\"");
+        }
+
+        if (isset($response) && $response->failed()) {
+            $lastError = "Response status from endpoint was {$response->status()}";
+            Log::error("Webhook call to endpoint {$this->webhook->endpoint} failed with status {$response->status()}");
+        }
+
+        $this->webhook->last_called_at = now();
+        if ($lastError) {
+            $this->webhook->last_errored_at = now();
+            $this->webhook->last_error = $lastError;
+        }
+
+        $this->webhook->save();
+    }
+
+    protected function buildWebhookData(): array
+    {
+        $textParts = [
+            $this->initiator->name,
+            trans('activities.' . $this->event),
+        ];
+
+        if ($this->detail instanceof Entity) {
+            $textParts[] = '"' . $this->detail->name . '"';
+        }
+
+        $data = [
+            'event'                    => $this->event,
+            'text'                     => implode(' ', $textParts),
+            'triggered_at'             => Carbon::createFromTimestampUTC($this->initiatedTime)->toISOString(),
+            'triggered_by'             => $this->initiator->attributesToArray(),
+            'triggered_by_profile_url' => $this->initiator->getProfileUrl(),
+            'webhook_id'               => $this->webhook->id,
+            'webhook_name'             => $this->webhook->name,
+        ];
+
+        if (method_exists($this->detail, 'getUrl')) {
+            $data['url'] = $this->detail->getUrl();
+        }
+
+        if ($this->detail instanceof Model) {
+            $data['related_item'] = $this->detail->attributesToArray();
+        }
+
+        return $data;
+    }
+}

app/Actions/Tag.php

@@ -3,10 +3,19 @@
 namespace BookStack\Actions;
 
 use BookStack\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\MorphTo;
 
+/**
+ * @property int    $id
+ * @property string $name
+ * @property string $value
+ * @property int    $order
+ */
 class Tag extends Model
 {
+    use HasFactory;
+
     protected $fillable = ['name', 'value', 'order'];
     protected $hidden = ['id', 'entity_id', 'entity_type', 'created_at', 'updated_at'];
 

app/Actions/TagRepo.php

@@ -4,6 +4,7 @@ namespace BookStack\Actions;
 
 use BookStack\Auth\Permissions\PermissionService;
 use BookStack\Entities\Models\Entity;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\DB;
 
@@ -12,22 +13,54 @@ class TagRepo
     protected $tag;
     protected $permissionService;
 
-    /**
-     * TagRepo constructor.
-     */
-    public function __construct(Tag $tag, PermissionService $ps)
+    public function __construct(PermissionService $ps)
     {
-        $this->tag = $tag;
         $this->permissionService = $ps;
     }
 
+    /**
+     * Start a query against all tags in the system.
+     */
+    public function queryWithTotals(string $searchTerm, string $nameFilter): Builder
+    {
+        $query = Tag::query()
+            ->select([
+                'name',
+                ($searchTerm || $nameFilter) ? 'value' : DB::raw('COUNT(distinct value) as `values`'),
+                DB::raw('COUNT(id) as usages'),
+                DB::raw('SUM(IF(entity_type = \'BookStack\\\\Page\', 1, 0)) as page_count'),
+                DB::raw('SUM(IF(entity_type = \'BookStack\\\\Chapter\', 1, 0)) as chapter_count'),
+                DB::raw('SUM(IF(entity_type = \'BookStack\\\\Book\', 1, 0)) as book_count'),
+                DB::raw('SUM(IF(entity_type = \'BookStack\\\\BookShelf\', 1, 0)) as shelf_count'),
+            ])
+            ->orderBy($nameFilter ? 'value' : 'name');
+
+        if ($nameFilter) {
+            $query->where('name', '=', $nameFilter);
+            $query->groupBy('value');
+        } elseif ($searchTerm) {
+            $query->groupBy('name', 'value');
+        } else {
+            $query->groupBy('name');
+        }
+
+        if ($searchTerm) {
+            $query->where(function (Builder $query) use ($searchTerm) {
+                $query->where('name', 'like', '%' . $searchTerm . '%')
+                    ->orWhere('value', 'like', '%' . $searchTerm . '%');
+            });
+        }
+
+        return $this->permissionService->filterRestrictedEntityRelations($query, 'tags', 'entity_id', 'entity_type');
+    }
+
     /**
      * Get tag name suggestions from scanning existing tag names.
      * If no search term is given the 50 most popular tag names are provided.
      */
     public function getNameSuggestions(?string $searchTerm): Collection
     {
-        $query = $this->tag->newQuery()
+        $query = Tag::query()
             ->select('*', DB::raw('count(*) as count'))
             ->groupBy('name');
 
@@ -49,7 +82,7 @@ class TagRepo
      */
     public function getValueSuggestions(?string $searchTerm, ?string $tagName): Collection
     {
-        $query = $this->tag->newQuery()
+        $query = Tag::query()
             ->select('*', DB::raw('count(*) as count'))
             ->groupBy('value');
 
@@ -90,9 +123,9 @@ class TagRepo
      */
     protected function newInstanceFromInput(array $input): Tag
     {
-        $name = trim($input['name']);
-        $value = isset($input['value']) ? trim($input['value']) : '';
-
-        return $this->tag->newInstance(['name' => $name, 'value' => $value]);
+        return new Tag([
+            'name'  => trim($input['name']),
+            'value' => trim($input['value'] ?? ''),
+        ]);
     }
 }

app/Actions/Webhook.php

@@ -0,0 +1,85 @@
+<?php
+
+namespace BookStack\Actions;
+
+use BookStack\Interfaces\Loggable;
+use Carbon\Carbon;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+/**
+ * @property int        $id
+ * @property string     $name
+ * @property string     $endpoint
+ * @property Collection $trackedEvents
+ * @property bool       $active
+ * @property int        $timeout
+ * @property string     $last_error
+ * @property Carbon     $last_called_at
+ * @property Carbon     $last_errored_at
+ */
+class Webhook extends Model implements Loggable
+{
+    protected $fillable = ['name', 'endpoint', 'timeout'];
+
+    use HasFactory;
+
+    protected $casts = [
+        'last_called_at'  => 'datetime',
+        'last_errored_at' => 'datetime',
+    ];
+
+    /**
+     * Define the tracked event relation a webhook.
+     */
+    public function trackedEvents(): HasMany
+    {
+        return $this->hasMany(WebhookTrackedEvent::class);
+    }
+
+    /**
+     * Update the tracked events for a webhook from the given list of event types.
+     */
+    public function updateTrackedEvents(array $events): void
+    {
+        $this->trackedEvents()->delete();
+
+        $eventsToStore = array_intersect($events, array_values(ActivityType::all()));
+        if (in_array('all', $events)) {
+            $eventsToStore = ['all'];
+        }
+
+        $trackedEvents = [];
+        foreach ($eventsToStore as $event) {
+            $trackedEvents[] = new WebhookTrackedEvent(['event' => $event]);
+        }
+
+        $this->trackedEvents()->saveMany($trackedEvents);
+    }
+
+    /**
+     * Check if this webhook tracks the given event.
+     */
+    public function tracksEvent(string $event): bool
+    {
+        return $this->trackedEvents->pluck('event')->contains($event);
+    }
+
+    /**
+     * Get a URL for this webhook within the settings interface.
+     */
+    public function getUrl(string $path = ''): string
+    {
+        return url('/settings/webhooks/' . $this->id . '/' . ltrim($path, '/'));
+    }
+
+    /**
+     * Get the string descriptor for this item.
+     */
+    public function logDescriptor(): string
+    {
+        return "({$this->id}) {$this->name}";
+    }
+}

app/Actions/WebhookTrackedEvent.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace BookStack\Actions;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @property int    $id
+ * @property int    $webhook_id
+ * @property string $event
+ */
+class WebhookTrackedEvent extends Model
+{
+    protected $fillable = ['event'];
+
+    use HasFactory;
+}

app/Api/ApiDocsGenerator.php

@@ -3,11 +3,13 @@
 namespace BookStack\Api;
 
 use BookStack\Http\Controllers\Api\ApiController;
+use Exception;
 use Illuminate\Contracts\Container\BindingResolutionException;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Cache;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\Str;
+use Illuminate\Validation\Rules\Password;
 use ReflectionClass;
 use ReflectionException;
 use ReflectionMethod;
@@ -28,7 +30,7 @@ class ApiDocsGenerator
         if (Cache::has($cacheKey) && config('app.env') === 'production') {
             $docs = Cache::get($cacheKey);
         } else {
-            $docs = (new static())->generate();
+            $docs = (new ApiDocsGenerator())->generate();
             Cache::put($cacheKey, $docs, 60 * 24);
         }
 
@@ -55,10 +57,16 @@ class ApiDocsGenerator
     {
         return $routes->map(function (array $route) {
             $exampleTypes = ['request', 'response'];
+            $fileTypes = ['json', 'http'];
             foreach ($exampleTypes as $exampleType) {
-                $exampleFile = base_path("dev/api/{$exampleType}s/{$route['name']}.json");
-                $exampleContent = file_exists($exampleFile) ? file_get_contents($exampleFile) : null;
-                $route["example_{$exampleType}"] = $exampleContent;
+                foreach ($fileTypes as $fileType) {
+                    $exampleFile = base_path("dev/api/{$exampleType}s/{$route['name']}." . $fileType);
+                    if (file_exists($exampleFile)) {
+                        $route["example_{$exampleType}"] = file_get_contents($exampleFile);
+                        continue 2;
+                    }
+                }
+                $route["example_{$exampleType}"] = null;
             }
 
             return $route;
@@ -94,18 +102,41 @@ class ApiDocsGenerator
             $this->controllerClasses[$className] = $class;
         }
 
-        $rules = $class->getValdationRules()[$methodName] ?? [];
-        foreach ($rules as $param => $ruleString) {
-            $rules[$param] = explode('|', $ruleString);
+        $rules = collect($class->getValidationRules()[$methodName] ?? [])->map(function ($validations) {
+            return array_map(function ($validation) {
+                return $this->getValidationAsString($validation);
+            }, $validations);
+        })->toArray();
+
+        return empty($rules) ? null : $rules;
+    }
+
+    /**
+     * Convert the given validation message to a readable string.
+     */
+    protected function getValidationAsString($validation): string
+    {
+        if (is_string($validation)) {
+            return $validation;
         }
 
-        return count($rules) > 0 ? $rules : null;
+        if (is_object($validation) && method_exists($validation, '__toString')) {
+            return strval($validation);
+        }
+
+        if ($validation instanceof Password) {
+            return 'min:8';
+        }
+
+        $class = get_class($validation);
+
+        throw new Exception("Cannot provide string representation of rule for class: {$class}");
     }
 
     /**
      * Parse out the description text from a class method comment.
      */
-    protected function parseDescriptionFromMethodComment(string $comment)
+    protected function parseDescriptionFromMethodComment(string $comment): string
     {
         $matches = [];
         preg_match_all('/^\s*?\*\s((?![@\s]).*?)$/m', $comment, $matches);

app/Api/ApiToken.php

@@ -43,7 +43,7 @@ class ApiToken extends Model implements Loggable
     }
 
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function logDescriptor(): string
     {

app/Api/ApiTokenGuard.php

@@ -42,7 +42,7 @@ class ApiTokenGuard implements Guard
     }
 
     /**
-     * @inheritDoc
+     * {@inheritdoc}
      */
     public function user()
     {
@@ -152,7 +152,7 @@ class ApiTokenGuard implements Guard
     }
 
     /**
-     * @inheritDoc
+     * {@inheritdoc}
      */
     public function validate(array $credentials = [])
     {

app/Api/ListingResponseBuilder.php

@@ -2,8 +2,10 @@
 
 namespace BookStack\Api;
 
+use BookStack\Model;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 
 class ListingResponseBuilder
@@ -12,6 +14,11 @@ class ListingResponseBuilder
     protected $request;
     protected $fields;
 
+    /**
+     * @var array<callable>
+     */
+    protected $resultModifiers = [];
+
     protected $filterOperators = [
         'eq'   => '=',
         'ne'   => '!=',
@@ -24,6 +31,7 @@ class ListingResponseBuilder
 
     /**
      * ListingResponseBuilder constructor.
+     * The given fields will be forced visible within the model results.
      */
     public function __construct(Builder $query, Request $request, array $fields)
     {
@@ -35,12 +43,16 @@ class ListingResponseBuilder
     /**
      * Get the response from this builder.
      */
-    public function toResponse()
+    public function toResponse(): JsonResponse
     {
         $filteredQuery = $this->filterQuery($this->query);
 
         $total = $filteredQuery->count();
-        $data = $this->fetchData($filteredQuery);
+        $data = $this->fetchData($filteredQuery)->each(function ($model) {
+            foreach ($this->resultModifiers as $modifier) {
+                $modifier($model);
+            }
+        });
 
         return response()->json([
             'data'  => $data,
@@ -49,7 +61,17 @@ class ListingResponseBuilder
     }
 
     /**
-     * Fetch the data to return in the response.
+     * Add a callback to modify each element of the results.
+     *
+     * @param (callable(Model)) $modifier
+     */
+    public function modifyResults($modifier): void
+    {
+        $this->resultModifiers[] = $modifier;
+    }
+
+    /**
+     * Fetch the data to return within the response.
      */
     protected function fetchData(Builder $query): Collection
     {

app/Auth/Access/ExternalBaseUserProvider.php

@@ -4,6 +4,7 @@ namespace BookStack\Auth\Access;
 
 use Illuminate\Contracts\Auth\Authenticatable;
 use Illuminate\Contracts\Auth\UserProvider;
+use Illuminate\Database\Eloquent\Model;
 
 class ExternalBaseUserProvider implements UserProvider
 {
@@ -16,8 +17,6 @@ class ExternalBaseUserProvider implements UserProvider
 
     /**
      * LdapUserProvider constructor.
-     *
-     * @param $model
      */
     public function __construct(string $model)
     {
@@ -27,7 +26,7 @@ class ExternalBaseUserProvider implements UserProvider
     /**
      * Create a new instance of the model.
      *
-     * @return \Illuminate\Database\Eloquent\Model
+     * @return Model
      */
     public function createModel()
     {
@@ -41,7 +40,7 @@ class ExternalBaseUserProvider implements UserProvider
      *
      * @param mixed $identifier
      *
-     * @return \Illuminate\Contracts\Auth\Authenticatable|null
+     * @return Authenticatable|null
      */
     public function retrieveById($identifier)
     {
@@ -54,7 +53,7 @@ class ExternalBaseUserProvider implements UserProvider
      * @param mixed  $identifier
      * @param string $token
      *
-     * @return \Illuminate\Contracts\Auth\Authenticatable|null
+     * @return Authenticatable|null
      */
     public function retrieveByToken($identifier, $token)
     {
@@ -64,8 +63,8 @@ class ExternalBaseUserProvider implements UserProvider
     /**
      * Update the "remember me" token for the given user in storage.
      *
-     * @param \Illuminate\Contracts\Auth\Authenticatable $user
-     * @param string                                     $token
+     * @param Authenticatable $user
+     * @param string          $token
      *
      * @return void
      */
@@ -79,7 +78,7 @@ class ExternalBaseUserProvider implements UserProvider
      *
      * @param array $credentials
      *
-     * @return \Illuminate\Contracts\Auth\Authenticatable|null
+     * @return Authenticatable|null
      */
     public function retrieveByCredentials(array $credentials)
     {
@@ -94,8 +93,8 @@ class ExternalBaseUserProvider implements UserProvider
     /**
      * Validate a user against the given credentials.
      *
-     * @param \Illuminate\Contracts\Auth\Authenticatable $user
-     * @param array                                      $credentials
+     * @param Authenticatable $user
+     * @param array           $credentials
      *
      * @return bool
      */

app/Auth/Access/Guards/LdapSessionGuard.php

@@ -84,7 +84,7 @@ class LdapSessionGuard extends ExternalBaseSessionGuard
             try {
                 $user = $this->createNewFromLdapAndCreds($userDetails, $credentials);
             } catch (UserRegistrationException $exception) {
-                throw new LoginAttemptException($exception->message);
+                throw new LoginAttemptException($exception->getMessage());
             }
         }
 
@@ -94,7 +94,7 @@ class LdapSessionGuard extends ExternalBaseSessionGuard
         }
 
         // Attach avatar if non-existent
-        if (is_null($user->avatar)) {
+        if (!$user->avatar()->exists()) {
             $this->ldapService->saveAndAttachAvatar($user, $userDetails);
         }
 

app/Auth/Access/Ldap.php

@@ -10,14 +10,11 @@ namespace BookStack\Auth\Access;
 class Ldap
 {
     /**
-     * Connect to a LDAP server.
-     *
-     * @param string $hostName
-     * @param int    $port
+     * Connect to an LDAP server.
      *
      * @return resource
      */
-    public function connect($hostName, $port)
+    public function connect(string $hostName, int $port)
     {
         return ldap_connect($hostName, $port);
     }
@@ -26,12 +23,9 @@ class Ldap
      * Set the value of a LDAP option for the given connection.
      *
      * @param resource $ldapConnection
-     * @param int      $option
      * @param mixed    $value
-     *
-     * @return bool
      */
-    public function setOption($ldapConnection, $option, $value)
+    public function setOption($ldapConnection, int $option, $value): bool
     {
         return ldap_set_option($ldapConnection, $option, $value);
     }
@@ -47,12 +41,9 @@ class Ldap
     /**
      * Set the version number for the given ldap connection.
      *
-     * @param $ldapConnection
-     * @param $version
-     *
-     * @return bool
+     * @param resource $ldapConnection
      */
-    public function setVersion($ldapConnection, $version)
+    public function setVersion($ldapConnection, int $version): bool
     {
         return $this->setOption($ldapConnection, LDAP_OPT_PROTOCOL_VERSION, $version);
     }

app/Auth/Access/LdapService.php

@@ -165,7 +165,7 @@ class LdapService
      * Bind the system user to the LDAP connection using the given credentials
      * otherwise anonymous access is attempted.
      *
-     * @param $connection
+     * @param resource $connection
      *
      * @throws LdapException
      */

app/Auth/Access/Oidc/OidcException.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace BookStack\Auth\Access\Oidc;
+
+use Exception;
+
+class OidcException extends Exception
+{
+}

app/Auth/Access/Oidc/OidcIssuerDiscoveryException.php

@@ -2,6 +2,8 @@
 
 namespace BookStack\Auth\Access\Oidc;
 
-class OidcIssuerDiscoveryException extends \Exception
+use Exception;
+
+class OidcIssuerDiscoveryException extends Exception
 {
 }

app/Auth/Access/Oidc/OidcJwtSigningKey.php

@@ -41,16 +41,18 @@ class OidcJwtSigningKey
     protected function loadFromPath(string $path)
     {
         try {
-            $this->key = PublicKeyLoader::load(
+            $key = PublicKeyLoader::load(
                 file_get_contents($path)
-            )->withPadding(RSA::SIGNATURE_PKCS1);
+            );
         } catch (\Exception $exception) {
             throw new OidcInvalidKeyException("Failed to load key from file path with error: {$exception->getMessage()}");
         }
 
-        if (!($this->key instanceof RSA)) {
+        if (!$key instanceof RSA) {
             throw new OidcInvalidKeyException('Key loaded from file path is not an RSA key as expected');
         }
+
+        $this->key = $key->withPadding(RSA::SIGNATURE_PKCS1);
     }
 
     /**
@@ -58,8 +60,11 @@ class OidcJwtSigningKey
      */
     protected function loadFromJwkArray(array $jwk)
     {
-        if ($jwk['alg'] !== 'RS256') {
-            throw new OidcInvalidKeyException("Only RS256 keys are currently supported. Found key using {$jwk['alg']}");
+        // 'alg' is optional for a JWK, but we will still attempt to validate if
+        // it exists otherwise presume it will be compatible.
+        $alg = $jwk['alg'] ?? null;
+        if ($jwk['kty'] !== 'RSA' || !(is_null($alg) || $alg === 'RS256')) {
+            throw new OidcInvalidKeyException("Only RS256 keys are currently supported. Found key using {$alg}");
         }
 
         if (empty($jwk['use'])) {
@@ -81,14 +86,19 @@ class OidcJwtSigningKey
         $n = strtr($jwk['n'] ?? '', '-_', '+/');
 
         try {
-            /** @var RSA $key */
-            $this->key = PublicKeyLoader::load([
+            $key = PublicKeyLoader::load([
                 'e' => new BigInteger(base64_decode($jwk['e']), 256),
                 'n' => new BigInteger(base64_decode($n), 256),
-            ])->withPadding(RSA::SIGNATURE_PKCS1);
+            ]);
         } catch (\Exception $exception) {
             throw new OidcInvalidKeyException("Failed to load key from JWK parameters with error: {$exception->getMessage()}");
         }
+
+        if (!$key instanceof RSA) {
+            throw new OidcInvalidKeyException('Key loaded from file path is not an RSA key as expected');
+        }
+
+        $this->key = $key->withPadding(RSA::SIGNATURE_PKCS1);
     }
 
     /**

app/Auth/Access/Oidc/OidcProviderSettings.php

@@ -164,7 +164,9 @@ class OidcProviderSettings
     protected function filterKeys(array $keys): array
     {
         return array_filter($keys, function (array $key) {
-            return $key['kty'] === 'RSA' && $key['use'] === 'sig' && $key['alg'] === 'RS256';
+            $alg = $key['alg'] ?? null;
+
+            return $key['kty'] === 'RSA' && $key['use'] === 'sig' && (is_null($alg) || $alg === 'RS256');
         });
     }
 

app/Auth/Access/Oidc/OidcService.php

@@ -7,14 +7,12 @@ use BookStack\Auth\Access\LoginService;
 use BookStack\Auth\Access\RegistrationService;
 use BookStack\Auth\User;
 use BookStack\Exceptions\JsonDebugException;
-use BookStack\Exceptions\OpenIdConnectException;
 use BookStack\Exceptions\StoppedAuthenticationException;
 use BookStack\Exceptions\UserRegistrationException;
 use function config;
-use Exception;
 use Illuminate\Support\Facades\Cache;
 use League\OAuth2\Client\OptionProvider\HttpBasicAuthOptionProvider;
-use Psr\Http\Client\ClientExceptionInterface;
+use League\OAuth2\Client\Provider\Exception\IdentityProviderException;
 use Psr\Http\Client\ClientInterface as HttpClient;
 use function trans;
 use function url;
@@ -25,9 +23,9 @@ use function url;
  */
 class OidcService
 {
-    protected $registrationService;
-    protected $loginService;
-    protected $httpClient;
+    protected RegistrationService $registrationService;
+    protected LoginService $loginService;
+    protected HttpClient $httpClient;
 
     /**
      * OpenIdService constructor.
@@ -42,6 +40,8 @@ class OidcService
     /**
      * Initiate an authorization flow.
      *
+     * @throws OidcException
+     *
      * @return array{url: string, state: string}
      */
     public function login(): array
@@ -57,14 +57,15 @@ class OidcService
 
     /**
      * Process the Authorization response from the authorization server and
-     * return the matching, or new if registration active, user matched to
-     * the authorization server.
-     * Returns null if not authenticated.
+     * return the matching, or new if registration active, user matched to the
+     * authorization server. Throws if the user cannot be auth if not authenticated.
      *
-     * @throws Exception
-     * @throws ClientExceptionInterface
+     * @throws JsonDebugException
+     * @throws OidcException
+     * @throws StoppedAuthenticationException
+     * @throws IdentityProviderException
      */
-    public function processAuthorizeResponse(?string $authorizationCode): ?User
+    public function processAuthorizeResponse(?string $authorizationCode): User
     {
         $settings = $this->getProviderSettings();
         $provider = $this->getProvider($settings);
@@ -78,8 +79,7 @@ class OidcService
     }
 
     /**
-     * @throws OidcIssuerDiscoveryException
-     * @throws ClientExceptionInterface
+     * @throws OidcException
      */
     protected function getProviderSettings(): OidcProviderSettings
     {
@@ -100,7 +100,11 @@ class OidcService
 
         // Run discovery
         if ($config['discover'] ?? false) {
-            $settings->discoverFromIssuer($this->httpClient, Cache::store(null), 15);
+            try {
+                $settings->discoverFromIssuer($this->httpClient, Cache::store(null), 15);
+            } catch (OidcIssuerDiscoveryException $exception) {
+                throw new OidcException('OIDC Discovery Error: ' . $exception->getMessage());
+            }
         }
 
         $settings->validate();
@@ -161,9 +165,8 @@ class OidcService
      * Processes a received access token for a user. Login the user when
      * they exist, optionally registering them automatically.
      *
-     * @throws OpenIdConnectException
+     * @throws OidcException
      * @throws JsonDebugException
-     * @throws UserRegistrationException
      * @throws StoppedAuthenticationException
      */
     protected function processAccessTokenCallback(OidcAccessToken $accessToken, OidcProviderSettings $settings): User
@@ -182,28 +185,28 @@ class OidcService
         try {
             $idToken->validate($settings->clientId);
         } catch (OidcInvalidTokenException $exception) {
-            throw new OpenIdConnectException("ID token validate failed with error: {$exception->getMessage()}");
+            throw new OidcException("ID token validate failed with error: {$exception->getMessage()}");
         }
 
         $userDetails = $this->getUserDetails($idToken);
         $isLoggedIn = auth()->check();
 
         if (empty($userDetails['email'])) {
-            throw new OpenIdConnectException(trans('errors.oidc_no_email_address'));
+            throw new OidcException(trans('errors.oidc_no_email_address'));
         }
 
         if ($isLoggedIn) {
-            throw new OpenIdConnectException(trans('errors.oidc_already_logged_in'), '/login');
+            throw new OidcException(trans('errors.oidc_already_logged_in'));
         }
 
-        $user = $this->registrationService->findOrRegister(
-            $userDetails['name'],
-            $userDetails['email'],
-            $userDetails['external_id']
-        );
-
-        if ($user === null) {
-            throw new OpenIdConnectException(trans('errors.oidc_user_not_registered', ['name' => $userDetails['external_id']]), '/login');
+        try {
+            $user = $this->registrationService->findOrRegister(
+                $userDetails['name'],
+                $userDetails['email'],
+                $userDetails['external_id']
+            );
+        } catch (UserRegistrationException $exception) {
+            throw new OidcException($exception->getMessage());
         }
 
         $this->loginService->login($user, 'oidc');

app/Auth/Access/RegistrationService.php

@@ -96,7 +96,8 @@ class RegistrationService
         }
 
         // Create the user
-        $newUser = $this->userRepo->registerNew($userData, $emailConfirmed);
+        $newUser = $this->userRepo->createWithoutActivity($userData, $emailConfirmed);
+        $newUser->attachDefaultRole();
 
         // Assign social account if given
         if ($socialAccount) {

app/Auth/Access/Saml2Service.php

@@ -99,7 +99,7 @@ class Saml2Service
      * @throws JsonDebugException
      * @throws UserRegistrationException
      */
-    public function processAcsResponse(string $requestId, string $samlResponse): ?User
+    public function processAcsResponse(?string $requestId, string $samlResponse): ?User
     {
         // The SAML2 toolkit expects the response to be within the $_POST superglobal
         // so we need to manually put it back there at this point.

app/Auth/Access/SocialAuthService.php

@@ -12,6 +12,7 @@ use Illuminate\Support\Str;
 use Laravel\Socialite\Contracts\Factory as Socialite;
 use Laravel\Socialite\Contracts\Provider;
 use Laravel\Socialite\Contracts\User as SocialUser;
+use Laravel\Socialite\Two\GoogleProvider;
 use SocialiteProviders\Manager\SocialiteWasCalled;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 
@@ -278,7 +279,7 @@ class SocialAuthService
     {
         $driver = $this->socialite->driver($driverName);
 
-        if ($driverName === 'google' && config('services.google.select_account')) {
+        if ($driver instanceof GoogleProvider && config('services.google.select_account')) {
             $driver->with(['prompt' => 'select_account']);
         }
 

app/Auth/Permissions/PermissionService.php

@@ -602,25 +602,35 @@ class PermissionService
 
     /**
      * Filter items that have entities set as a polymorphic relation.
+     * For simplicity, this will not return results attached to draft pages.
+     * Draft pages should never really have related items though.
      *
      * @param Builder|QueryBuilder $query
      */
     public function filterRestrictedEntityRelations($query, string $tableName, string $entityIdColumn, string $entityTypeColumn, string $action = 'view')
     {
         $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn, 'entityTypeColumn' => $entityTypeColumn];
+        $pageMorphClass = (new Page())->getMorphClass();
 
-        $q = $query->where(function ($query) use ($tableDetails, $action) {
-            $query->whereExists(function ($permissionQuery) use (&$tableDetails, $action) {
-                /** @var Builder $permissionQuery */
-                $permissionQuery->select(['role_id'])->from('joint_permissions')
-                    ->whereColumn('joint_permissions.entity_id', '=', $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
-                    ->whereColumn('joint_permissions.entity_type', '=', $tableDetails['tableName'] . '.' . $tableDetails['entityTypeColumn'])
-                    ->where('action', '=', $action)
-                    ->whereIn('role_id', $this->getCurrentUserRoles())
-                    ->where(function (QueryBuilder $query) {
-                        $this->addJointHasPermissionCheck($query, $this->currentUser()->id);
-                    });
-            });
+        $q = $query->whereExists(function ($permissionQuery) use (&$tableDetails, $action) {
+            /** @var Builder $permissionQuery */
+            $permissionQuery->select(['role_id'])->from('joint_permissions')
+                ->whereColumn('joint_permissions.entity_id', '=', $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
+                ->whereColumn('joint_permissions.entity_type', '=', $tableDetails['tableName'] . '.' . $tableDetails['entityTypeColumn'])
+                ->where('joint_permissions.action', '=', $action)
+                ->whereIn('joint_permissions.role_id', $this->getCurrentUserRoles())
+                ->where(function (QueryBuilder $query) {
+                    $this->addJointHasPermissionCheck($query, $this->currentUser()->id);
+                });
+        })->where(function ($query) use ($tableDetails, $pageMorphClass) {
+            /** @var Builder $query */
+            $query->where($tableDetails['entityTypeColumn'], '!=', $pageMorphClass)
+                ->orWhereExists(function (QueryBuilder $query) use ($tableDetails, $pageMorphClass) {
+                    $query->select('id')->from('pages')
+                        ->whereColumn('pages.id', '=', $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
+                        ->where($tableDetails['tableName'] . '.' . $tableDetails['entityTypeColumn'], '=', $pageMorphClass)
+                        ->where('pages.draft', '=', false);
+                });
         });
 
         $this->clean();
@@ -634,25 +644,39 @@ class PermissionService
      */
     public function filterRelatedEntity(string $entityClass, Builder $query, string $tableName, string $entityIdColumn): Builder
     {
-        $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn];
-        $morphClass = app($entityClass)->getMorphClass();
+        $fullEntityIdColumn = $tableName . '.' . $entityIdColumn;
+        $instance = new $entityClass();
+        $morphClass = $instance->getMorphClass();
 
-        $q = $query->where(function ($query) use ($tableDetails, $morphClass) {
-            $query->where(function ($query) use (&$tableDetails, $morphClass) {
-                $query->whereExists(function ($permissionQuery) use (&$tableDetails, $morphClass) {
-                    /** @var Builder $permissionQuery */
-                    $permissionQuery->select('id')->from('joint_permissions')
-                        ->whereColumn('joint_permissions.entity_id', '=', $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
-                        ->where('entity_type', '=', $morphClass)
-                        ->where('action', '=', 'view')
-                        ->whereIn('role_id', $this->getCurrentUserRoles())
-                        ->where(function (QueryBuilder $query) {
-                            $this->addJointHasPermissionCheck($query, $this->currentUser()->id);
-                        });
+        $existsQuery = function ($permissionQuery) use ($fullEntityIdColumn, $morphClass) {
+            /** @var Builder $permissionQuery */
+            $permissionQuery->select('joint_permissions.role_id')->from('joint_permissions')
+                ->whereColumn('joint_permissions.entity_id', '=', $fullEntityIdColumn)
+                ->where('joint_permissions.entity_type', '=', $morphClass)
+                ->where('joint_permissions.action', '=', 'view')
+                ->whereIn('joint_permissions.role_id', $this->getCurrentUserRoles())
+                ->where(function (QueryBuilder $query) {
+                    $this->addJointHasPermissionCheck($query, $this->currentUser()->id);
                 });
-            })->orWhere($tableDetails['entityIdColumn'], '=', 0);
+        };
+
+        $q = $query->where(function ($query) use ($existsQuery, $fullEntityIdColumn) {
+            $query->whereExists($existsQuery)
+                ->orWhere($fullEntityIdColumn, '=', 0);
         });
 
+        if ($instance instanceof Page) {
+            // Prevent visibility of non-owned draft pages
+            $q->whereExists(function (QueryBuilder $query) use ($fullEntityIdColumn) {
+                $query->select('id')->from('pages')
+                    ->whereColumn('pages.id', '=', $fullEntityIdColumn)
+                    ->where(function (QueryBuilder $query) {
+                        $query->where('pages.draft', '=', false)
+                            ->orWhere('pages.owned_by', '=', $this->currentUser()->id);
+                    });
+            });
+        }
+
         $this->clean();
 
         return $q;
@@ -666,9 +690,9 @@ class PermissionService
      */
     protected function addJointHasPermissionCheck($query, int $userIdToCheck)
     {
-        $query->where('has_permission', '=', true)->orWhere(function ($query) use ($userIdToCheck) {
-            $query->where('has_permission_own', '=', true)
-                ->where('owned_by', '=', $userIdToCheck);
+        $query->where('joint_permissions.has_permission', '=', true)->orWhere(function ($query) use ($userIdToCheck) {
+            $query->where('joint_permissions.has_permission_own', '=', true)
+                ->where('joint_permissions.owned_by', '=', $userIdToCheck);
         });
     }
 

app/Auth/Permissions/RolePermission.php

@@ -4,6 +4,7 @@ namespace BookStack\Auth\Permissions;
 
 use BookStack\Auth\Role;
 use BookStack\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 /**
  * @property int $id
@@ -13,19 +14,15 @@ class RolePermission extends Model
     /**
      * The roles that belong to the permission.
      */
-    public function roles()
+    public function roles(): BelongsToMany
     {
         return $this->belongsToMany(Role::class, 'permission_role', 'permission_id', 'role_id');
     }
 
     /**
      * Get the permission object by name.
-     *
-     * @param $name
-     *
-     * @return mixed
      */
-    public static function getByName($name)
+    public static function getByName(string $name): ?RolePermission
     {
         return static::where('name', '=', $name)->first();
     }

app/Auth/Queries/AllUsersPaginatedAndSorted.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace BookStack\Auth\Queries;
+
+use BookStack\Auth\User;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+/**
+ * Get all the users with their permissions in a paginated format.
+ * Note: Due to the use of email search this should only be used when
+ * user is assumed to be trusted. (Admin users).
+ * Email search can be abused to extract email addresses.
+ */
+class AllUsersPaginatedAndSorted
+{
+    /**
+     * @param array{sort: string, order: string, search: string} $sortData
+     */
+    public function run(int $count, array $sortData): LengthAwarePaginator
+    {
+        $sort = $sortData['sort'];
+
+        $query = User::query()->select(['*'])
+            ->scopes(['withLastActivityAt'])
+            ->with(['roles', 'avatar'])
+            ->withCount('mfaValues')
+            ->orderBy($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);
+    }
+}

app/Auth/Queries/UserContentCounts.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace BookStack\Auth\Queries;
+
+use BookStack\Auth\User;
+use BookStack\Entities\Models\Book;
+use BookStack\Entities\Models\Bookshelf;
+use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Page;
+
+/**
+ * Get asset created counts for the given user.
+ */
+class UserContentCounts
+{
+    /**
+     * @return array{pages: int, chapters: int, books: int, shelves: int}
+     */
+    public function run(User $user): array
+    {
+        $createdBy = ['created_by' => $user->id];
+
+        return [
+            'pages'    => Page::visible()->where($createdBy)->count(),
+            'chapters' => Chapter::visible()->where($createdBy)->count(),
+            'books'    => Book::visible()->where($createdBy)->count(),
+            'shelves'  => Bookshelf::visible()->where($createdBy)->count(),
+        ];
+    }
+}

app/Auth/Queries/UserRecentlyCreatedContent.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace BookStack\Auth\Queries;
+
+use BookStack\Auth\User;
+use BookStack\Entities\Models\Book;
+use BookStack\Entities\Models\Bookshelf;
+use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Page;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+
+/**
+ * Get the recently created content for the provided user.
+ */
+class UserRecentlyCreatedContent
+{
+    /**
+     * @return array{pages: Collection, chapters: Collection, books: Collection, shelves: Collection}
+     */
+    public function run(User $user, int $count): array
+    {
+        $query = function (Builder $query) use ($user, $count) {
+            return $query->orderBy('created_at', 'desc')
+                ->where('created_by', '=', $user->id)
+                ->take($count)
+                ->get();
+        };
+
+        return [
+            'pages'    => $query(Page::visible()->where('draft', '=', false)),
+            'chapters' => $query(Chapter::visible()),
+            'books'    => $query(Book::visible()),
+            'shelves'  => $query(Bookshelf::visible()),
+        ];
+    }
+}

app/Auth/Role.php

@@ -7,6 +7,7 @@ use BookStack\Auth\Permissions\RolePermission;
 use BookStack\Interfaces\Loggable;
 use BookStack\Model;
 use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
@@ -23,8 +24,12 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
  */
 class Role extends Model implements Loggable
 {
+    use HasFactory;
+
     protected $fillable = ['display_name', 'description', 'external_auth_id'];
 
+    protected $hidden = ['pivot'];
+
     /**
      * The roles that belong to the role.
      */
@@ -83,7 +88,7 @@ class Role extends Model implements Loggable
     /**
      * Get the role of the specified display name.
      */
-    public static function getRole(string $displayName): ?Role
+    public static function getRole(string $displayName): ?self
     {
         return static::query()->where('display_name', '=', $displayName)->first();
     }
@@ -91,7 +96,7 @@ class Role extends Model implements Loggable
     /**
      * Get the role object for the specified system role.
      */
-    public static function getSystemRole(string $systemName): ?Role
+    public static function getSystemRole(string $systemName): ?self
     {
         return static::query()->where('system_name', '=', $systemName)->first();
     }
@@ -116,7 +121,7 @@ class Role extends Model implements Loggable
     }
 
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function logDescriptor(): string
     {

app/Auth/SocialAccount.php

@@ -21,7 +21,7 @@ class SocialAccount extends Model implements Loggable
     }
 
     /**
-     * @inheritDoc
+     * {@inheritdoc}
      */
     public function logDescriptor(): string
     {

app/Auth/User.php

@@ -18,6 +18,7 @@ use Illuminate\Auth\Passwords\CanResetPassword;
 use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract;
 use Illuminate\Contracts\Auth\CanResetPassword as CanResetPasswordContract;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
@@ -43,6 +44,7 @@ use Illuminate\Support\Collection;
  */
 class User extends Model implements AuthenticatableContract, CanResetPasswordContract, Loggable, Sluggable
 {
+    use HasFactory;
     use Authenticatable;
     use CanResetPassword;
     use Notifiable;
@@ -70,27 +72,25 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
      */
     protected $hidden = [
         'password', 'remember_token', 'system_name', 'email_confirmed', 'external_auth_id', 'email',
-        'created_at', 'updated_at', 'image_id',
+        'created_at', 'updated_at', 'image_id', 'roles', 'avatar', 'user_id',
     ];
 
     /**
      * This holds the user's permissions when loaded.
-     *
-     * @var ?Collection
      */
-    protected $permissions;
+    protected ?Collection $permissions;
 
     /**
      * This holds the default user when loaded.
      *
      * @var null|User
      */
-    protected static $defaultUser = null;
+    protected static ?User $defaultUser = null;
 
     /**
      * Returns the default public user.
      */
-    public static function getDefault(): User
+    public static function getDefault(): self
     {
         if (!is_null(static::$defaultUser)) {
             return static::$defaultUser;
@@ -144,7 +144,7 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
      */
     public function attachDefaultRole(): void
     {
-        $roleId = setting('registration-role');
+        $roleId = intval(setting('registration-role'));
         if ($roleId && $this->roles()->where('id', '=', $roleId)->count() === 0) {
             $this->roles()->attach($roleId);
         }
@@ -176,7 +176,6 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
             ->leftJoin('permission_role', 'ru.role_id', '=', 'permission_role.role_id')
             ->leftJoin('role_permissions', 'permission_role.permission_id', '=', 'role_permissions.id')
             ->where('ru.user_id', '=', $this->id)
-            ->get()
             ->pluck('name');
 
         return $this->permissions;
@@ -336,7 +335,7 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
     }
 
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function logDescriptor(): string
     {
@@ -344,7 +343,7 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
     }
 
     /**
-     * @inheritDoc
+     * {@inheritdoc}
      */
     public function refreshSlug(): string
     {

app/Auth/UserRepo.php

@@ -2,31 +2,29 @@
 
 namespace BookStack\Auth;
 
-use Activity;
+use BookStack\Actions\ActivityType;
+use BookStack\Auth\Access\UserInviteService;
 use BookStack\Entities\EntityProvider;
-use BookStack\Entities\Models\Book;
-use BookStack\Entities\Models\Bookshelf;
-use BookStack\Entities\Models\Chapter;
-use BookStack\Entities\Models\Page;
-use BookStack\Exceptions\NotFoundException;
+use BookStack\Exceptions\NotifyException;
 use BookStack\Exceptions\UserUpdateException;
+use BookStack\Facades\Activity;
 use BookStack\Uploads\UserAvatars;
 use Exception;
-use Illuminate\Database\Eloquent\Builder;
-use Illuminate\Database\Eloquent\Collection;
-use Illuminate\Pagination\LengthAwarePaginator;
 use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Str;
 
 class UserRepo
 {
-    protected $userAvatar;
+    protected UserAvatars $userAvatar;
+    protected UserInviteService $inviteService;
 
     /**
      * UserRepo constructor.
      */
-    public function __construct(UserAvatars $userAvatar)
+    public function __construct(UserAvatars $userAvatar, UserInviteService $inviteService)
     {
         $this->userAvatar = $userAvatar;
+        $this->inviteService = $inviteService;
     }
 
     /**
@@ -54,67 +52,164 @@ class UserRepo
     }
 
     /**
-     * Get all the users with their permissions.
+     * Create a new basic instance of user with the given pre-validated data.
+     *
+     * @param array{name: string, email: string, password: ?string, external_auth_id: ?string, language: ?string, roles: ?array} $data
      */
-    public function getAllUsers(): Collection
+    public function createWithoutActivity(array $data, bool $emailConfirmed = false): User
     {
-        return User::query()->with('roles', 'avatar')->orderBy('name', 'asc')->get();
-    }
+        $user = new User();
+        $user->name = $data['name'];
+        $user->email = $data['email'];
+        $user->password = bcrypt(empty($data['password']) ? Str::random(32) : $data['password']);
+        $user->email_confirmed = $emailConfirmed;
+        $user->external_auth_id = $data['external_auth_id'] ?? '';
 
-    /**
-     * Get all the users with their permissions in a paginated format.
-     */
-    public function getAllUsersPaginatedAndSorted(int $count, array $sortData): LengthAwarePaginator
-    {
-        $sort = $sortData['sort'];
+        $user->refreshSlug();
+        $user->save();
 
-        $query = User::query()->select(['*'])
-            ->withLastActivityAt()
-            ->with(['roles', 'avatar'])
-            ->withCount('mfaValues')
-            ->orderBy($sort, $sortData['order']);
-
-        if ($sortData['search']) {
-            $term = '%' . $sortData['search'] . '%';
-            $query->where(function ($query) use ($term) {
-                $query->where('name', 'like', $term)
-                    ->orWhere('email', 'like', $term);
-            });
+        if (!empty($data['language'])) {
+            setting()->putUser($user, 'language', $data['language']);
         }
 
-        return $query->paginate($count);
-    }
+        if (isset($data['roles'])) {
+            $this->setUserRoles($user, $data['roles']);
+        }
 
-    /**
-     * Creates a new user and attaches a role to them.
-     */
-    public function registerNew(array $data, bool $emailConfirmed = false): User
-    {
-        $user = $this->create($data, $emailConfirmed);
-        $user->attachDefaultRole();
         $this->downloadAndAssignUserAvatar($user);
 
         return $user;
     }
 
     /**
-     * Assign a user to a system-level role.
+     * As per "createWithoutActivity" but records a "create" activity.
      *
-     * @throws NotFoundException
+     * @param array{name: string, email: string, password: ?string, external_auth_id: ?string, language: ?string, roles: ?array} $data
      */
-    public function attachSystemRole(User $user, string $systemRoleName)
+    public function create(array $data, bool $sendInvite = false): User
     {
-        $role = Role::getSystemRole($systemRoleName);
-        if (is_null($role)) {
-            throw new NotFoundException("Role '{$systemRoleName}' not found");
+        $user = $this->createWithoutActivity($data, true);
+
+        if ($sendInvite) {
+            $this->inviteService->sendInvitation($user);
+        }
+
+        Activity::add(ActivityType::USER_CREATE, $user);
+
+        return $user;
+    }
+
+    /**
+     * Update the given user with the given data.
+     *
+     * @param array{name: ?string, email: ?string, external_auth_id: ?string, password: ?string, roles: ?array<int>, language: ?string} $data
+     *
+     * @throws UserUpdateException
+     */
+    public function update(User $user, array $data, bool $manageUsersAllowed): User
+    {
+        if (!empty($data['name'])) {
+            $user->name = $data['name'];
+            $user->refreshSlug();
+        }
+
+        if (!empty($data['email']) && $manageUsersAllowed) {
+            $user->email = $data['email'];
+        }
+
+        if (!empty($data['external_auth_id']) && $manageUsersAllowed) {
+            $user->external_auth_id = $data['external_auth_id'];
+        }
+
+        if (isset($data['roles']) && $manageUsersAllowed) {
+            $this->setUserRoles($user, $data['roles']);
+        }
+
+        if (!empty($data['password'])) {
+            $user->password = bcrypt($data['password']);
+        }
+
+        if (!empty($data['language'])) {
+            setting()->putUser($user, 'language', $data['language']);
+        }
+
+        $user->save();
+        Activity::add(ActivityType::USER_UPDATE, $user);
+
+        return $user;
+    }
+
+    /**
+     * Remove the given user from storage, Delete all related content.
+     *
+     * @throws Exception
+     */
+    public function destroy(User $user, ?int $newOwnerId = null)
+    {
+        $this->ensureDeletable($user);
+
+        $user->socialAccounts()->delete();
+        $user->apiTokens()->delete();
+        $user->favourites()->delete();
+        $user->mfaValues()->delete();
+        $user->delete();
+
+        // Delete user profile images
+        $this->userAvatar->destroyAllForUser($user);
+
+        if (!empty($newOwnerId)) {
+            $newOwner = User::query()->find($newOwnerId);
+            if (!is_null($newOwner)) {
+                $this->migrateOwnership($user, $newOwner);
+            }
+        }
+
+        Activity::add(ActivityType::USER_DELETE, $user);
+    }
+
+    /**
+     * @throws NotifyException
+     */
+    protected function ensureDeletable(User $user): void
+    {
+        if ($this->isOnlyAdmin($user)) {
+            throw new NotifyException(trans('errors.users_cannot_delete_only_admin'), $user->getEditUrl());
+        }
+
+        if ($user->system_name === 'public') {
+            throw new NotifyException(trans('errors.users_cannot_delete_guest'), $user->getEditUrl());
+        }
+    }
+
+    /**
+     * Migrate ownership of items in the system from one user to another.
+     */
+    protected function migrateOwnership(User $fromUser, User $toUser)
+    {
+        $entities = (new EntityProvider())->all();
+        foreach ($entities as $instance) {
+            $instance->newQuery()->where('owned_by', '=', $fromUser->id)
+                ->update(['owned_by' => $toUser->id]);
+        }
+    }
+
+    /**
+     * Get an avatar image for a user and set it as their avatar.
+     * Returns early if avatars disabled or not set in config.
+     */
+    protected function downloadAndAssignUserAvatar(User $user): void
+    {
+        try {
+            $this->userAvatar->fetchAndAssignToUser($user);
+        } catch (Exception $e) {
+            Log::error('Failed to save user avatar image');
         }
-        $user->attachRole($role);
     }
 
     /**
      * Checks if the give user is the only admin.
      */
-    public function isOnlyAdmin(User $user): bool
+    protected function isOnlyAdmin(User $user): bool
     {
         if (!$user->hasSystemRole('admin')) {
             return false;
@@ -133,7 +228,7 @@ class UserRepo
      *
      * @throws UserUpdateException
      */
-    public function setUserRoles(User $user, array $roles)
+    protected function setUserRoles(User $user, array $roles)
     {
         if ($this->demotingLastAdmin($user, $roles)) {
             throw new UserUpdateException(trans('errors.role_cannot_remove_only_admin'), $user->getEditUrl());
@@ -157,125 +252,4 @@ class UserRepo
 
         return false;
     }
-
-    /**
-     * Create a new basic instance of user.
-     */
-    public function create(array $data, bool $emailConfirmed = false): User
-    {
-        $details = [
-            'name'             => $data['name'],
-            'email'            => $data['email'],
-            'password'         => bcrypt($data['password']),
-            'email_confirmed'  => $emailConfirmed,
-            'external_auth_id' => $data['external_auth_id'] ?? '',
-        ];
-
-        $user = new User();
-        $user->forceFill($details);
-        $user->refreshSlug();
-        $user->save();
-
-        return $user;
-    }
-
-    /**
-     * Remove the given user from storage, Delete all related content.
-     *
-     * @throws Exception
-     */
-    public function destroy(User $user, ?int $newOwnerId = null)
-    {
-        $user->socialAccounts()->delete();
-        $user->apiTokens()->delete();
-        $user->favourites()->delete();
-        $user->mfaValues()->delete();
-        $user->delete();
-
-        // Delete user profile images
-        $this->userAvatar->destroyAllForUser($user);
-
-        if (!empty($newOwnerId)) {
-            $newOwner = User::query()->find($newOwnerId);
-            if (!is_null($newOwner)) {
-                $this->migrateOwnership($user, $newOwner);
-            }
-        }
-    }
-
-    /**
-     * Migrate ownership of items in the system from one user to another.
-     */
-    protected function migrateOwnership(User $fromUser, User $toUser)
-    {
-        $entities = (new EntityProvider())->all();
-        foreach ($entities as $instance) {
-            $instance->newQuery()->where('owned_by', '=', $fromUser->id)
-                ->update(['owned_by' => $toUser->id]);
-        }
-    }
-
-    /**
-     * Get the latest activity for a user.
-     */
-    public function getActivity(User $user, int $count = 20, int $page = 0): array
-    {
-        return Activity::userActivity($user, $count, $page);
-    }
-
-    /**
-     * Get the recently created content for this given user.
-     */
-    public function getRecentlyCreated(User $user, int $count = 20): array
-    {
-        $query = function (Builder $query) use ($user, $count) {
-            return $query->orderBy('created_at', 'desc')
-                ->where('created_by', '=', $user->id)
-                ->take($count)
-                ->get();
-        };
-
-        return [
-            'pages'    => $query(Page::visible()->where('draft', '=', false)),
-            'chapters' => $query(Chapter::visible()),
-            'books'    => $query(Book::visible()),
-            'shelves'  => $query(Bookshelf::visible()),
-        ];
-    }
-
-    /**
-     * Get asset created counts for the give user.
-     */
-    public function getAssetCounts(User $user): array
-    {
-        $createdBy = ['created_by' => $user->id];
-
-        return [
-            'pages'       => Page::visible()->where($createdBy)->count(),
-            'chapters'    => Chapter::visible()->where($createdBy)->count(),
-            'books'       => Book::visible()->where($createdBy)->count(),
-            'shelves'     => Bookshelf::visible()->where($createdBy)->count(),
-        ];
-    }
-
-    /**
-     * Get the roles in the system that are assignable to a user.
-     */
-    public function getAllRoles(): Collection
-    {
-        return Role::query()->orderBy('display_name', 'asc')->get();
-    }
-
-    /**
-     * Get an avatar image for a user and set it as their avatar.
-     * Returns early if avatars disabled or not set in config.
-     */
-    public function downloadAndAssignUserAvatar(User $user): void
-    {
-        try {
-            $this->userAvatar->fetchAndAssignToUser($user);
-        } catch (Exception $e) {
-            Log::error('Failed to save user avatar image');
-        }
-    }
 }

app/Config/app.php

@@ -31,6 +31,9 @@ return [
     // Set to -1 for unlimited recycle bin lifetime.
     'recycle_bin_lifetime' => env('RECYCLE_BIN_LIFETIME', 30),
 
+    // The limit for all uploaded files, including images and attachments in MB.
+    'upload_limit' => env('FILE_UPLOAD_SIZE_LIMIT', 50),
+
     // Allow <script> tags to entered within page content.
     // <script> tags are escaped by default.
     // Even when overridden the WYSIWYG editor may still escape script content.
@@ -143,7 +146,6 @@ return [
 
     // Class aliases, Registered on application start
     'aliases' => [
-
         // Laravel
         'App'          => Illuminate\Support\Facades\App::class,
         'Arr'          => Illuminate\Support\Arr::class,
@@ -155,21 +157,23 @@ return [
         'Config'       => Illuminate\Support\Facades\Config::class,
         'Cookie'       => Illuminate\Support\Facades\Cookie::class,
         'Crypt'        => Illuminate\Support\Facades\Crypt::class,
+        'Date'         => Illuminate\Support\Facades\Date::class,
         'DB'           => Illuminate\Support\Facades\DB::class,
         'Eloquent'     => Illuminate\Database\Eloquent\Model::class,
         'Event'        => Illuminate\Support\Facades\Event::class,
         'File'         => Illuminate\Support\Facades\File::class,
+        'Gate'         => Illuminate\Support\Facades\Gate::class,
         'Hash'         => Illuminate\Support\Facades\Hash::class,
-        'Input'        => Illuminate\Support\Facades\Input::class,
-        'Inspiring'    => Illuminate\Foundation\Inspiring::class,
+        'Http'         => Illuminate\Support\Facades\Http::class,
         '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,
+        'RateLimiter'  => Illuminate\Support\Facades\RateLimiter::class,
         'Redirect'     => Illuminate\Support\Facades\Redirect::class,
-        'Redis'        => Illuminate\Support\Facades\Redis::class,
+        // 'Redis'        => Illuminate\Support\Facades\Redis::class,
         'Request'      => Illuminate\Support\Facades\Request::class,
         'Response'     => Illuminate\Support\Facades\Response::class,
         'Route'        => Illuminate\Support\Facades\Route::class,
@@ -180,6 +184,8 @@ return [
         'URL'          => Illuminate\Support\Facades\URL::class,
         'Validator'    => Illuminate\Support\Facades\Validator::class,
         'View'         => Illuminate\Support\Facades\View::class,
+
+        // Laravel Packages
         'Socialite'    => Laravel\Socialite\Facades\Socialite::class,
 
         // Third Party

app/Config/auth.php

@@ -10,7 +10,6 @@
 
 return [
 
-    // Method of authentication to use
     // Options: standard, ldap, saml2, oidc
     'method' => env('AUTH_METHOD', 'standard'),
 
@@ -45,7 +44,7 @@ return [
             'provider' => 'external',
         ],
         'api' => [
-            'driver' => 'api-token',
+            'driver'   => 'api-token',
         ],
     ],
 
@@ -58,10 +57,16 @@ return [
             'driver' => 'eloquent',
             'model'  => \BookStack\Auth\User::class,
         ],
+
         'external' => [
             'driver' => 'external-users',
             'model'  => \BookStack\Auth\User::class,
         ],
+
+        // 'users' => [
+        //     'driver' => 'database',
+        //     'table' => 'users',
+        // ],
     ],
 
     // Resetting Passwords
@@ -78,4 +83,10 @@ return [
         ],
     ],
 
+    // Password Confirmation Timeout
+    // Here you may define the amount of seconds before a password confirmation
+    // times out and the user is prompted to re-enter their password via the
+    // confirmation screen. By default, the timeout lasts for three hours.
+    'password_timeout' => 10800,
+
 ];

app/Config/cache.php

@@ -1,5 +1,7 @@
 <?php
 
+use Illuminate\Support\Str;
+
 /**
  * Caching configuration options.
  *
@@ -38,13 +40,15 @@ return [
         ],
 
         'array' => [
-            'driver' => 'array',
+            'driver'    => 'array',
+            'serialize' => false,
         ],
 
         'database' => [
-            'driver'     => 'database',
-            'table'      => 'cache',
-            'connection' => null,
+            'driver'          => 'database',
+            'table'           => 'cache',
+            'connection'      => null,
+            'lock_connection' => null,
         ],
 
         'file' => [
@@ -53,19 +57,36 @@ return [
         ],
 
         'memcached' => [
-            'driver'  => 'memcached',
-            'servers' => env('CACHE_DRIVER') === 'memcached' ? $memcachedServers : [],
+            'driver'        => 'memcached',
+            'options'       => [
+                // Memcached::OPT_CONNECT_TIMEOUT => 2000,
+            ],
+            'servers' => $memcachedServers ?? [],
         ],
 
         'redis' => [
-            'driver'     => 'redis',
-            'connection' => 'default',
+            'driver'          => 'redis',
+            'connection'      => 'default',
+            'lock_connection' => 'default',
+        ],
+
+        'octane' => [
+            'driver' => 'octane',
         ],
 
     ],
 
-    // Cache key prefix
-    // Used to prevent collisions in shared cache systems.
-    'prefix' => env('CACHE_PREFIX', 'bookstack_cache'),
+    /*
+    |--------------------------------------------------------------------------
+    | Cache Key Prefix
+    |--------------------------------------------------------------------------
+    |
+    | When utilizing a RAM based store such as APC or Memcached, there might
+    | be other applications utilizing the same cache. So, we'll specify a
+    | value to get prefixed to all our keys so we can avoid collisions.
+    |
+    */
+
+    'prefix' => env('CACHE_PREFIX', Str::slug(env('APP_NAME', 'laravel'), '_') . '_cache'),
 
 ];

app/Config/clockwork.php

@@ -0,0 +1,415 @@
+<?php
+
+return [
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Enable Clockwork
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork is enabled by default only when your application is in debug mode. Here you can explicitly enable or
+    | disable Clockwork. When disabled, no data is collected and the api and web ui are inactive.
+    |
+    */
+
+    'enable' => env('CLOCKWORK_ENABLE', false),
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Features
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | You can enable or disable various Clockwork features here. Some features have additional settings (eg. slow query
+    | threshold for database queries).
+    |
+    */
+
+    'features' => [
+
+        // Cache usage stats and cache queries including results
+        'cache' => [
+            'enabled' => true,
+
+            // Collect cache queries
+            'collect_queries' => true,
+
+            // Collect values from cache queries (high performance impact with a very high number of queries)
+            'collect_values' => false,
+        ],
+
+        // Database usage stats and queries
+        'database' => [
+            'enabled' => true,
+
+            // Collect database queries (high performance impact with a very high number of queries)
+            'collect_queries' => true,
+
+            // Collect details of models updates (high performance impact with a lot of model updates)
+            'collect_models_actions' => true,
+
+            // Collect details of retrieved models (very high performance impact with a lot of models retrieved)
+            'collect_models_retrieved' => false,
+
+            // Query execution time threshold in miliseconds after which the query will be marked as slow
+            'slow_threshold' => null,
+
+            // Collect only slow database queries
+            'slow_only' => false,
+
+            // Detect and report duplicate (N+1) queries
+            'detect_duplicate_queries' => false,
+        ],
+
+        // Dispatched events
+        'events' => [
+            'enabled' => true,
+
+            // Ignored events (framework events are ignored by default)
+            'ignored_events' => [
+                // App\Events\UserRegistered::class,
+                // 'user.registered'
+            ],
+        ],
+
+        // Laravel log (you can still log directly to Clockwork with laravel log disabled)
+        'log' => [
+            'enabled' => true,
+        ],
+
+        // Sent notifications
+        'notifications' => [
+            'enabled' => true,
+        ],
+
+        // Performance metrics
+        'performance' => [
+            // Allow collecting of client metrics. Requires separate clockwork-browser npm package.
+            'client_metrics' => true,
+        ],
+
+        // Dispatched queue jobs
+        'queue' => [
+            'enabled' => true,
+        ],
+
+        // Redis commands
+        'redis' => [
+            'enabled' => true,
+        ],
+
+        // Routes list
+        'routes' => [
+            'enabled' => false,
+
+            // Collect only routes from particular namespaces (only application routes by default)
+            'only_namespaces' => ['App'],
+        ],
+
+        // Rendered views
+        'views' => [
+            'enabled' => true,
+
+            // Collect views including view data (high performance impact with a high number of views)
+            'collect_data' => false,
+
+            // Use Twig profiler instead of Laravel events for apps using laravel-twigbridge (more precise, but does
+            // not support collecting view data)
+            'use_twig_profiler' => false,
+        ],
+
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Enable web UI
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork comes with a web UI accessibla via http://your.app/clockwork. Here you can enable or disable this
+    | feature. You can also set a custom path for the web UI.
+    |
+    */
+
+    'web' => true,
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Enable toolbar
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork can show a toolbar with basic metrics on all responses. Here you can enable or disable this feature.
+    | Requires a separate clockwork-browser npm library.
+    | For installation instructions see https://underground.works/clockwork/#docs-viewing-data
+    |
+    */
+
+    'toolbar' => true,
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | HTTP requests collection
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork collects data about HTTP requests to your app. Here you can choose which requests should be collected.
+    |
+    */
+
+    'requests' => [
+        // With on-demand mode enabled, Clockwork will only profile requests when the browser extension is open or you
+        // manually pass a "clockwork-profile" cookie or get/post data key.
+        // Optionally you can specify a "secret" that has to be passed as the value to enable profiling.
+        'on_demand' => false,
+
+        // Collect only errors (requests with HTTP 4xx and 5xx responses)
+        'errors_only' => false,
+
+        // Response time threshold in miliseconds after which the request will be marked as slow
+        'slow_threshold' => null,
+
+        // Collect only slow requests
+        'slow_only' => false,
+
+        // Sample the collected requests (eg. set to 100 to collect only 1 in 100 requests)
+        'sample' => false,
+
+        // List of URIs that should not be collected
+        'except' => [
+            '/horizon/.*', // Laravel Horizon requests
+            '/telescope/.*', // Laravel Telescope requests
+            '/_debugbar/.*', // Laravel DebugBar requests
+        ],
+
+        // List of URIs that should be collected, any other URI will not be collected if not empty
+        'only' => [
+            // '/api/.*'
+        ],
+
+        // Don't collect OPTIONS requests, mostly used in the CSRF pre-flight requests and are rarely of interest
+        'except_preflight' => true,
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Artisan commands collection
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork can collect data about executed artisan commands. Here you can enable and configure which commands
+    | should be collected.
+    |
+    */
+
+    'artisan' => [
+        // Enable or disable collection of executed Artisan commands
+        'collect' => false,
+
+        // List of commands that should not be collected (built-in commands are not collected by default)
+        'except' => [
+            // 'inspire'
+        ],
+
+        // List of commands that should be collected, any other command will not be collected if not empty
+        'only' => [
+            // 'inspire'
+        ],
+
+        // Enable or disable collection of command output
+        'collect_output' => false,
+
+        // Enable or disable collection of built-in Laravel commands
+        'except_laravel_commands' => true,
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Queue jobs collection
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork can collect data about executed queue jobs. Here you can enable and configure which queue jobs should
+    | be collected.
+    |
+    */
+
+    'queue' => [
+        // Enable or disable collection of executed queue jobs
+        'collect' => false,
+
+        // List of queue jobs that should not be collected
+        'except' => [
+            // App\Jobs\ExpensiveJob::class
+        ],
+
+        // List of queue jobs that should be collected, any other queue job will not be collected if not empty
+        'only' => [
+            // App\Jobs\BuggyJob::class
+        ],
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Tests collection
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork can collect data about executed tests. Here you can enable and configure which tests should be
+    | collected.
+    |
+    */
+
+    'tests' => [
+        // Enable or disable collection of ran tests
+        'collect' => false,
+
+        // List of tests that should not be collected
+        'except' => [
+            // Tests\Unit\ExampleTest::class
+        ],
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Enable data collection when Clockwork is disabled
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | You can enable this setting to collect data even when Clockwork is disabled. Eg. for future analysis.
+    |
+    */
+
+    'collect_data_always' => false,
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Metadata storage
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Configure how is the metadata collected by Clockwork stored. Two options are available:
+    |   - files - A simple fast storage implementation storing data in one-per-request files.
+    |   - sql - Stores requests in a sql database. Supports MySQL, Postgresql, Sqlite and requires PDO.
+    |
+    */
+
+    'storage' => 'files',
+
+    // Path where the Clockwork metadata is stored
+    'storage_files_path' => storage_path('clockwork'),
+
+    // Compress the metadata files using gzip, trading a little bit of performance for lower disk usage
+    'storage_files_compress' => false,
+
+    // SQL database to use, can be a name of database configured in database.php or a path to a sqlite file
+    'storage_sql_database' => storage_path('clockwork.sqlite'),
+
+    // SQL table name to use, the table is automatically created and udpated when needed
+    'storage_sql_table' => 'clockwork',
+
+    // Maximum lifetime of collected metadata in minutes, older requests will automatically be deleted, false to disable
+    'storage_expiration' => 60 * 24 * 7,
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Authentication
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork can be configured to require authentication before allowing access to the collected data. This might be
+    | useful when the application is publicly accessible. Setting to true will enable a simple authentication with a
+    | pre-configured password. You can also pass a class name of a custom implementation.
+    |
+    */
+
+    'authentication' => false,
+
+    // Password for the simple authentication
+    'authentication_password' => 'VerySecretPassword',
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Stack traces collection
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork can collect stack traces for log messages and certain data like database queries. Here you can set
+    | whether to collect stack traces, limit the number of collected frames and set further configuration. Collecting
+    | long stack traces considerably increases metadata size.
+    |
+    */
+
+    'stack_traces' => [
+        // Enable or disable collecting of stack traces
+        'enabled' => true,
+
+        // Limit the number of frames to be collected
+        'limit' => 10,
+
+        // List of vendor names to skip when determining caller, common vendors are automatically added
+        'skip_vendors' => [
+            // 'phpunit'
+        ],
+
+        // List of namespaces to skip when determining caller
+        'skip_namespaces' => [
+            // 'Laravel'
+        ],
+
+        // List of class names to skip when determining caller
+        'skip_classes' => [
+            // App\CustomLog::class
+        ],
+
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Serialization
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork serializes the collected data to json for storage and transfer. Here you can configure certain aspects
+    | of serialization. Serialization has a large effect on the cpu time and memory usage.
+    |
+    */
+
+    // Maximum depth of serialized multi-level arrays and objects
+    'serialization_depth' => 10,
+
+    // A list of classes that will never be serialized (eg. a common service container class)
+    'serialization_blackbox' => [
+        \Illuminate\Container\Container::class,
+        \Illuminate\Foundation\Application::class,
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Register helpers
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork comes with a "clock" global helper function. You can use this helper to quickly log something and to
+    | access the Clockwork instance.
+    |
+    */
+
+    'register_helpers' => true,
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Send Headers for AJAX request
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | When trying to collect data the AJAX method can sometimes fail if it is missing required headers. For example, an
+    | API might require a version number using Accept headers to route the HTTP request to the correct codebase.
+    |
+    */
+
+    'headers' => [
+        // 'Accept' => 'application/vnd.com.whatever.v1+json',
+    ],
+
+    /*
+    |------------------------------------------------------------------------------------------------------------------
+    | Server-Timing
+    |------------------------------------------------------------------------------------------------------------------
+    |
+    | Clockwork supports the W3C Server Timing specification, which allows for collecting a simple performance metrics
+    | in a cross-browser way. Eg. in Chrome, your app, database and timeline event timings will be shown in the Dev
+    | Tools network tab. This setting specifies the max number of timeline events that will be sent. Setting to false
+    | will disable the feature.
+    |
+    */
+
+    'server_timing' => 10,
+
+];

app/Config/database.php

@@ -105,6 +105,6 @@ return [
     'migrations' => 'migrations',
 
     // Redis configuration to use if set
-    'redis' => env('REDIS_SERVERS', false) ? $redisConfig : [],
+    'redis' => $redisConfig ?? [],
 
 ];

app/Config/dompdf.php

@@ -7,6 +7,10 @@
  * Configuration should be altered via the `.env` file or environment variables.
  * Do not edit this file unless you're happy to maintain any changes yourself.
  */
+$dompdfPaperSizeMap = [
+    'a4'     => 'a4',
+    'letter' => 'letter',
+];
 
 return [
 
@@ -150,7 +154,7 @@ return [
          *
          * @see CPDF_Adapter::PAPER_SIZES for valid sizes ('letter', 'legal', 'A4', etc.)
          */
-        'default_paper_size' => 'a4',
+        'default_paper_size' => $dompdfPaperSizeMap[env('EXPORT_PAGE_SIZE', 'a4')] ?? 'a4',
 
         /**
          * The default font family.

app/Config/filesystems.php

@@ -25,16 +25,14 @@ return [
     // file storage service, such as s3, to store publicly accessible assets.
     'url' => env('STORAGE_URL', false),
 
-    // Default Cloud Filesystem Disk
-    'cloud' => 's3',
-
     // Available filesystem disks
     // Only local, local_secure & s3 are supported by BookStack
     'disks' => [
 
         'local' => [
-            'driver' => 'local',
-            'root'   => public_path(),
+            'driver'     => 'local',
+            'root'       => public_path(),
+            'visibility' => 'public',
         ],
 
         'local_secure_attachments' => [
@@ -43,8 +41,9 @@ return [
         ],
 
         'local_secure_images' => [
-            'driver' => 'local',
-            'root'   => storage_path('uploads/images/'),
+            'driver'     => 'local',
+            'root'       => storage_path('uploads/images/'),
+            'visibility' => 'public',
         ],
 
         's3' => [
@@ -59,4 +58,12 @@ return [
 
     ],
 
+    // Symbolic Links
+    // Here you may configure the symbolic links that will be created when the
+    // `storage:link` Artisan command is executed. The array keys should be
+    // the locations of the links and the values should be their targets.
+    'links' => [
+        public_path('storage') => storage_path('app/public'),
+    ],
+
 ];

app/Config/logging.php

@@ -49,16 +49,9 @@ return [
             'days'   => 7,
         ],
 
-        'slack' => [
-            'driver'   => 'slack',
-            'url'      => env('LOG_SLACK_WEBHOOK_URL'),
-            'username' => 'Laravel Log',
-            'emoji'    => ':boom:',
-            'level'    => 'critical',
-        ],
-
         'stderr' => [
             'driver'  => 'monolog',
+            'level'   => 'debug',
             'handler' => StreamHandler::class,
             'with'    => [
                 'stream' => 'php://stderr',
@@ -99,6 +92,10 @@ return [
         'testing' => [
             'driver' => 'testing',
         ],
+
+        'emergency' => [
+            'path' => storage_path('logs/laravel.log'),
+        ],
     ],
 
     // Failed Login Message

app/Config/mail.php

@@ -11,6 +11,8 @@
 return [
 
     // Mail driver to use.
+    // From Laravel 7+ this is MAIL_MAILER in laravel.
+    // Kept as MAIL_DRIVER in BookStack to prevent breaking change.
     // Options: smtp, sendmail, log, array
     'driver' => env('MAIL_DRIVER', 'smtp'),
 

app/Config/queue.php

@@ -11,7 +11,7 @@
 return [
 
     // Default driver to use for the queue
-    // Options: null, sync, redis
+    // Options: sync, database, redis
     'default' => env('QUEUE_CONNECTION', 'sync'),
 
     // Queue connection configuration
@@ -22,25 +22,29 @@ return [
         ],
 
         'database' => [
-            'driver'      => 'database',
-            'table'       => 'jobs',
-            'queue'       => 'default',
-            'retry_after' => 90,
+            'driver'       => 'database',
+            'table'        => 'jobs',
+            'queue'        => 'default',
+            'retry_after'  => 90,
+            'after_commit' => false,
         ],
 
         'redis' => [
-            'driver'      => 'redis',
-            'connection'  => 'default',
-            'queue'       => env('REDIS_QUEUE', 'default'),
-            'retry_after' => 90,
-            'block_for'   => null,
+            'driver'       => 'redis',
+            'connection'   => 'default',
+            'queue'        => env('REDIS_QUEUE', 'default'),
+            'retry_after'  => 90,
+            'block_for'    => null,
+            'after_commit' => false,
         ],
 
     ],
 
     // Failed queue job logging
     'failed' => [
-        'database' => 'mysql', 'table' => 'failed_jobs',
+        'driver'   => 'database-uuids',
+        'database' => 'mysql',
+        'table'    => 'failed_jobs',
     ],
 
 ];

app/Config/snappy.php

@@ -7,6 +7,10 @@
  * Configuration should be altered via the `.env` file or environment variables.
  * Do not edit this file unless you're happy to maintain any changes yourself.
  */
+$snappyPaperSizeMap = [
+    'a4'     => 'A4',
+    'letter' => 'Letter',
+];
 
 return [
     'pdf' => [
@@ -14,7 +18,8 @@ return [
         'binary'  => file_exists(base_path('wkhtmltopdf')) ? base_path('wkhtmltopdf') : env('WKHTMLTOPDF', false),
         'timeout' => false,
         'options' => [
-            'outline' => true,
+            'outline'   => true,
+            'page-size' => $snappyPaperSizeMap[env('EXPORT_PAGE_SIZE', 'a4')] ?? 'A4',
         ],
         'env'     => [],
     ],

app/Console/Commands/CreateAdmin.php

@@ -2,8 +2,15 @@
 
 namespace BookStack\Console\Commands;
 
+use BookStack\Auth\Role;
 use BookStack\Auth\UserRepo;
+use BookStack\Exceptions\NotFoundException;
 use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Support\Str;
+use Illuminate\Validation\Rules\Password;
+use Illuminate\Validation\Rules\Unique;
+use Symfony\Component\Console\Command\Command as SymfonyCommand;
 
 class CreateAdmin extends Command
 {
@@ -15,7 +22,8 @@ class CreateAdmin extends Command
     protected $signature = 'bookstack:create-admin
                             {--email= : The email address for the new admin user}
                             {--name= : The name of the new admin user}
-                            {--password= : The password to assign to the new admin user}';
+                            {--password= : The password to assign to the new admin user}
+                            {--external-auth-id= : The external authentication system id for the new admin user (SAML2/LDAP/OIDC)}';
 
     /**
      * The console command description.
@@ -38,46 +46,62 @@ class CreateAdmin extends Command
     /**
      * Execute the console command.
      *
-     * @throws \BookStack\Exceptions\NotFoundException
+     * @throws NotFoundException
      *
      * @return mixed
      */
     public function handle()
     {
-        $email = trim($this->option('email'));
-        if (empty($email)) {
-            $email = $this->ask('Please specify an email address for the new admin user');
-        }
-        if (mb_strlen($email) < 5 || !filter_var($email, FILTER_VALIDATE_EMAIL)) {
-            return $this->error('Invalid email address provided');
+        $details = $this->snakeCaseOptions();
+
+        if (empty($details['email'])) {
+            $details['email'] = $this->ask('Please specify an email address for the new admin user');
         }
 
-        if ($this->userRepo->getByEmail($email) !== null) {
-            return $this->error('A user with the provided email already exists!');
+        if (empty($details['name'])) {
+            $details['name'] = $this->ask('Please specify a name for the new admin user');
         }
 
-        $name = trim($this->option('name'));
-        if (empty($name)) {
-            $name = $this->ask('Please specify an name for the new admin user');
-        }
-        if (mb_strlen($name) < 2) {
-            return $this->error('Invalid name provided');
+        if (empty($details['password'])) {
+            if (empty($details['external_auth_id'])) {
+                $details['password'] = $this->ask('Please specify a password for the new admin user (8 characters min)');
+            } else {
+                $details['password'] = Str::random(32);
+            }
         }
 
-        $password = trim($this->option('password'));
-        if (empty($password)) {
-            $password = $this->secret('Please specify a password for the new admin user');
-        }
-        if (mb_strlen($password) < 5) {
-            return $this->error('Invalid password provided, Must be at least 5 characters');
+        $validator = Validator::make($details, [
+            'email'            => ['required', 'email', 'min:5', new Unique('users', 'email')],
+            'name'             => ['required', 'min:2'],
+            'password'         => ['required_without:external_auth_id', Password::default()],
+            'external_auth_id' => ['required_without:password'],
+        ]);
+
+        if ($validator->fails()) {
+            foreach ($validator->errors()->all() as $error) {
+                $this->error($error);
+            }
+
+            return SymfonyCommand::FAILURE;
         }
 
-        $user = $this->userRepo->create(['email' => $email, 'name' => $name, 'password' => $password]);
-        $this->userRepo->attachSystemRole($user, 'admin');
-        $this->userRepo->downloadAndAssignUserAvatar($user);
+        $user = $this->userRepo->createWithoutActivity($validator->validated());
+        $user->attachRole(Role::getSystemRole('admin'));
         $user->email_confirmed = true;
         $user->save();
 
         $this->info("Admin account with email \"{$user->email}\" successfully created!");
+
+        return SymfonyCommand::SUCCESS;
+    }
+
+    protected function snakeCaseOptions(): array
+    {
+        $returnOpts = [];
+        foreach ($this->options() as $key => $value) {
+            $returnOpts[str_replace('-', '_', $key)] = $value;
+        }
+
+        return $returnOpts;
     }
 }

app/Console/Commands/DeleteUsers.php

@@ -15,8 +15,6 @@ class DeleteUsers extends Command
      */
     protected $signature = 'bookstack:delete-users';
 
-    protected $user;
-
     protected $userRepo;
 
     /**
@@ -26,9 +24,8 @@ class DeleteUsers extends Command
      */
     protected $description = 'Delete users that are not "admin" or system users';
 
-    public function __construct(User $user, UserRepo $userRepo)
+    public function __construct(UserRepo $userRepo)
     {
-        $this->user = $user;
         $this->userRepo = $userRepo;
         parent::__construct();
     }
@@ -38,8 +35,8 @@ class DeleteUsers extends Command
         $confirm = $this->ask('This will delete all users from the system that are not "admin" or system users. Are you sure you want to continue? (Type "yes" to continue)');
         $numDeleted = 0;
         if (strtolower(trim($confirm)) === 'yes') {
-            $totalUsers = $this->user->count();
-            $users = $this->user->where('system_name', '=', null)->with('roles')->get();
+            $totalUsers = User::query()->count();
+            $users = User::query()->whereNull('system_name')->with('roles')->get();
             foreach ($users as $user) {
                 if ($user->hasSystemRole('admin')) {
                     // don't delete users with "admin" role

app/Console/Commands/RegenerateSearch.php

@@ -2,6 +2,7 @@
 
 namespace BookStack\Console\Commands;
 
+use BookStack\Entities\Models\Entity;
 use BookStack\Entities\Tools\SearchIndex;
 use Illuminate\Console\Command;
 use Illuminate\Support\Facades\DB;
@@ -22,6 +23,9 @@ class RegenerateSearch extends Command
      */
     protected $description = 'Re-index all content for searching';
 
+    /**
+     * @var SearchIndex
+     */
     protected $searchIndex;
 
     /**
@@ -45,8 +49,13 @@ class RegenerateSearch extends Command
             DB::setDefaultConnection($this->option('database'));
         }
 
-        $this->searchIndex->indexAllEntities();
+        $this->searchIndex->indexAllEntities(function (Entity $model, int $processed, int $total): void {
+            $this->info('Indexed ' . class_basename($model) . ' entries (' . $processed . '/' . $total . ')');
+        });
+
         DB::setDefaultConnection($connection);
-        $this->comment('Search index regenerated');
+        $this->line('Search index regenerated!');
+
+        return static::SUCCESS;
     }
 }

app/Console/Commands/ResetMfa.php

@@ -49,9 +49,10 @@ class ResetMfa extends Command
             return 1;
         }
 
-        /** @var User $user */
         $field = $id ? 'id' : 'email';
         $value = $id ?: $email;
+
+        /** @var User $user */
         $user = User::query()
             ->where($field, '=', $value)
             ->first();

app/Entities/Models/Book.php

@@ -4,6 +4,7 @@ namespace BookStack\Entities\Models;
 
 use BookStack\Uploads\Image;
 use Exception;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
@@ -21,7 +22,9 @@ use Illuminate\Support\Collection;
  */
 class Book extends Entity implements HasCoverImage
 {
-    public $searchFactor = 2;
+    use HasFactory;
+
+    public $searchFactor = 1.2;
 
     protected $fillable = ['name', 'description'];
     protected $hidden = ['restricted', 'pivot', 'image_id', 'deleted_at'];
@@ -76,53 +79,43 @@ class Book extends Entity implements HasCoverImage
 
     /**
      * Get all pages within this book.
-     *
-     * @return HasMany
      */
-    public function pages()
+    public function pages(): HasMany
     {
         return $this->hasMany(Page::class);
     }
 
     /**
      * Get the direct child pages of this book.
-     *
-     * @return HasMany
      */
-    public function directPages()
+    public function directPages(): HasMany
     {
         return $this->pages()->where('chapter_id', '=', '0');
     }
 
     /**
      * Get all chapters within this book.
-     *
-     * @return HasMany
      */
-    public function chapters()
+    public function chapters(): HasMany
     {
         return $this->hasMany(Chapter::class);
     }
 
     /**
      * Get the shelves this book is contained within.
-     *
-     * @return BelongsToMany
      */
-    public function shelves()
+    public function shelves(): BelongsToMany
     {
         return $this->belongsToMany(Bookshelf::class, 'bookshelves_books', 'book_id', 'bookshelf_id');
     }
 
     /**
      * Get the direct child items within this book.
-     *
-     * @return Collection
      */
     public function getDirectChildren(): Collection
     {
-        $pages = $this->directPages()->visible()->get();
-        $chapters = $this->chapters()->visible()->get();
+        $pages = $this->directPages()->scopes('visible')->get();
+        $chapters = $this->chapters()->scopes('visible')->get();
 
         return $pages->concat($chapters)->sortBy('priority')->sortByDesc('draft');
     }

app/Entities/Models/Bookshelf.php

@@ -3,14 +3,17 @@
 namespace BookStack\Entities\Models;
 
 use BookStack\Uploads\Image;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 class Bookshelf extends Entity implements HasCoverImage
 {
+    use HasFactory;
+
     protected $table = 'bookshelves';
 
-    public $searchFactor = 3;
+    public $searchFactor = 1.2;
 
     protected $fillable = ['name', 'description', 'image_id'];
 
@@ -34,7 +37,7 @@ class Bookshelf extends Entity implements HasCoverImage
      */
     public function visibleBooks(): BelongsToMany
     {
-        return $this->books()->visible();
+        return $this->books()->scopes('visible');
     }
 
     /**

app/Entities/Models/Chapter.php

@@ -2,29 +2,31 @@
 
 namespace BookStack\Entities\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Support\Collection;
 
 /**
  * Class Chapter.
  *
  * @property Collection<Page> $pages
- * @property mixed description
+ * @property string           $description
  */
 class Chapter extends BookChild
 {
-    public $searchFactor = 1.3;
+    use HasFactory;
 
-    protected $fillable = ['name', 'description', 'priority', 'book_id'];
+    public $searchFactor = 1.2;
+
+    protected $fillable = ['name', 'description', 'priority'];
     protected $hidden = ['restricted', 'pivot', 'deleted_at'];
 
     /**
      * Get the pages that this chapter contains.
      *
-     * @param string $dir
-     *
-     * @return mixed
+     * @return HasMany<Page>
      */
-    public function pages($dir = 'ASC')
+    public function pages(string $dir = 'ASC'): HasMany
     {
         return $this->hasMany(Page::class)->orderBy('priority', $dir);
     }
@@ -32,7 +34,7 @@ class Chapter extends BookChild
     /**
      * Get the url of this chapter.
      */
-    public function getUrl($path = ''): string
+    public function getUrl(string $path = ''): string
     {
         $parts = [
             'books',
@@ -50,7 +52,8 @@ class Chapter extends BookChild
      */
     public function getVisiblePages(): Collection
     {
-        return $this->pages()->visible()
+        return $this->pages()
+        ->scopes('visible')
         ->orderBy('draft', 'desc')
         ->orderBy('priority', 'asc')
         ->get();

app/Entities/Models/Deletion.php

@@ -3,13 +3,14 @@
 namespace BookStack\Entities\Models;
 
 use BookStack\Auth\User;
+use BookStack\Interfaces\Deletable;
 use BookStack\Interfaces\Loggable;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\MorphTo;
 
 /**
- * @property Model deletable
+ * @property Deletable $deletable
  */
 class Deletion extends Model implements Loggable
 {
@@ -22,7 +23,7 @@ class Deletion extends Model implements Loggable
     }
 
     /**
-     * The the user that performed the deletion.
+     * Get the user that performed the deletion.
      */
     public function deleter(): BelongsTo
     {
@@ -32,7 +33,7 @@ class Deletion extends Model implements Loggable
     /**
      * Create a new deletion record for the provided entity.
      */
-    public static function createForEntity(Entity $entity): Deletion
+    public static function createForEntity(Entity $entity): self
     {
         $record = (new self())->forceFill([
             'deleted_by'     => user()->id,
@@ -48,13 +49,17 @@ class Deletion extends Model implements Loggable
     {
         $deletable = $this->deletable()->first();
 
-        return "Deletion ({$this->id}) for {$deletable->getType()} ({$deletable->id}) {$deletable->name}";
+        if ($deletable instanceof Entity) {
+            return "Deletion ({$this->id}) for {$deletable->getType()} ({$deletable->id}) {$deletable->name}";
+        }
+
+        return "Deletion ({$this->id})";
     }
 
     /**
      * Get a URL for this specific deletion.
      */
-    public function getUrl($path): string
+    public function getUrl(string $path = 'restore'): string
     {
         return url("/settings/recycle-bin/{$this->id}/" . ltrim($path, '/'));
     }

app/Entities/Models/Entity.php

@@ -12,7 +12,9 @@ use BookStack\Auth\Permissions\JointPermission;
 use BookStack\Entities\Tools\SearchIndex;
 use BookStack\Entities\Tools\SlugGenerator;
 use BookStack\Facades\Permissions;
+use BookStack\Interfaces\Deletable;
 use BookStack\Interfaces\Favouritable;
+use BookStack\Interfaces\Loggable;
 use BookStack\Interfaces\Sluggable;
 use BookStack\Interfaces\Viewable;
 use BookStack\Model;
@@ -34,6 +36,7 @@ use Illuminate\Database\Eloquent\SoftDeletes;
  * @property string     $slug
  * @property Carbon     $created_at
  * @property Carbon     $updated_at
+ * @property Carbon     $deleted_at
  * @property int        $created_by
  * @property int        $updated_by
  * @property bool       $restricted
@@ -44,7 +47,7 @@ use Illuminate\Database\Eloquent\SoftDeletes;
  * @method static Builder withLastView()
  * @method static Builder withViewCount()
  */
-abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
+abstract class Entity extends Model implements Sluggable, Favouritable, Viewable, Deletable, Loggable
 {
     use SoftDeletes;
     use HasCreatorAndUpdater;
@@ -106,7 +109,7 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
      * Compares this entity to another given entity.
      * Matches by comparing class and id.
      */
-    public function matches(Entity $entity): bool
+    public function matches(self $entity): bool
     {
         return [get_class($this), $this->id] === [get_class($entity), $entity->id];
     }
@@ -114,17 +117,17 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
     /**
      * Checks if the current entity matches or contains the given.
      */
-    public function matchesOrContains(Entity $entity): bool
+    public function matchesOrContains(self $entity): bool
     {
         if ($this->matches($entity)) {
             return true;
         }
 
-        if (($entity->isA('chapter') || $entity->isA('page')) && $this->isA('book')) {
+        if (($entity instanceof BookChild) && $this instanceof Book) {
             return $entity->book_id === $this->id;
         }
 
-        if ($entity->isA('page') && $this->isA('chapter')) {
+        if ($entity instanceof Page && $this instanceof Chapter) {
             return $entity->chapter_id === $this->id;
         }
 
@@ -210,6 +213,8 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
     /**
      * Check if this instance or class is a certain type of entity.
      * Examples of $type are 'page', 'book', 'chapter'.
+     *
+     * @deprecated Use instanceof instead.
      */
     public static function isA(string $type): bool
     {
@@ -238,20 +243,12 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
         return mb_substr($this->name, 0, $length - 3) . '...';
     }
 
-    /**
-     * Get the body text of this entity.
-     */
-    public function getText(): string
-    {
-        return $this->{$this->textField} ?? '';
-    }
-
     /**
      * Get an excerpt of this entity's descriptive content to the specified length.
      */
     public function getExcerpt(int $length = 100): string
     {
-        $text = $this->getText();
+        $text = $this->{$this->textField} ?? '';
 
         if (mb_strlen($text) > $length) {
             $text = mb_substr($text, 0, $length - 3) . '...';
@@ -270,7 +267,7 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
      * This is the "static" parent and does not include dynamic
      * relations such as shelves to books.
      */
-    public function getParent(): ?Entity
+    public function getParent(): ?self
     {
         if ($this instanceof Page) {
             return $this->chapter_id ? $this->chapter()->withTrashed()->first() : $this->book()->withTrashed()->first();
@@ -300,7 +297,7 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
     }
 
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function refreshSlug(): string
     {
@@ -310,7 +307,7 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
     }
 
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function favourites(): MorphMany
     {
@@ -326,4 +323,12 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
             ->where('user_id', '=', user()->id)
             ->exists();
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function logDescriptor(): string
+    {
+        return "({$this->id}) {$this->name}";
+    }
 }

app/Entities/Models/Page.php

@@ -3,12 +3,13 @@
 namespace BookStack\Entities\Models;
 
 use BookStack\Entities\Tools\PageContent;
+use BookStack\Facades\Permissions;
 use BookStack\Uploads\Attachment;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
-use Permissions;
 
 /**
  * Class Page.
@@ -25,6 +26,8 @@ use Permissions;
  */
 class Page extends BookChild
 {
+    use HasFactory;
+
     public static $listAttributes = ['name', 'id', 'slug', 'book_id', 'chapter_id', 'draft', 'template', 'text', 'created_at', 'updated_at', 'priority'];
     public static $contentAttributes = ['name', 'id', 'slug', 'book_id', 'chapter_id', 'draft', 'template', 'html', 'text', 'created_at', 'updated_at', 'priority'];
 
@@ -61,10 +64,8 @@ class Page extends BookChild
 
     /**
      * Check if this page has a chapter.
-     *
-     * @return bool
      */
-    public function hasChapter()
+    public function hasChapter(): bool
     {
         return $this->chapter()->count() > 0;
     }
@@ -103,7 +104,7 @@ class Page extends BookChild
     /**
      * Get the url of this page.
      */
-    public function getUrl($path = ''): string
+    public function getUrl(string $path = ''): string
     {
         $parts = [
             'books',
@@ -129,7 +130,7 @@ class Page extends BookChild
     /**
      * Get this page for JSON display.
      */
-    public function forJsonDisplay(): Page
+    public function forJsonDisplay(): self
     {
         $refreshed = $this->refresh()->unsetRelations()->load(['tags', 'createdBy', 'updatedBy', 'ownedBy']);
         $refreshed->setHidden(array_diff($refreshed->getHidden(), ['html', 'markdown']));

app/Entities/Models/PageRevision.php

@@ -22,6 +22,7 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
  * @property string $html
  * @property int    $revision_number
  * @property Page   $page
+ * @property-read ?User $createdBy
  */
 class PageRevision extends Model
 {
@@ -45,27 +46,16 @@ class PageRevision extends Model
 
     /**
      * Get the url for this revision.
-     *
-     * @param null|string $path
-     *
-     * @return string
      */
-    public function getUrl($path = null)
+    public function getUrl(string $path = ''): string
     {
-        $url = $this->page->getUrl() . '/revisions/' . $this->id;
-        if ($path) {
-            return $url . '/' . trim($path, '/');
-        }
-
-        return $url;
+        return $this->page->getUrl('/revisions/' . $this->id . '/' . ltrim($path, '/'));
     }
 
     /**
      * Get the previous revision for the same page if existing.
-     *
-     * @return \BookStack\Entities\PageRevision|null
      */
-    public function getPrevious()
+    public function getPrevious(): ?PageRevision
     {
         $id = static::newQuery()->where('page_id', '=', $this->page_id)
             ->where('id', '<', $this->id)
@@ -83,11 +73,9 @@ class PageRevision extends Model
      * Included here to align with entities in similar use cases.
      * (Yup, Bit of an awkward hack).
      *
-     * @param $type
-     *
-     * @return bool
+     * @deprecated Use instanceof instead.
      */
-    public static function isA($type)
+    public static function isA(string $type): bool
     {
         return $type === 'revision';
     }

app/Entities/Repos/BaseRepo.php

@@ -67,10 +67,12 @@ class BaseRepo
     /**
      * Update the given items' cover image, or clear it.
      *
+     * @param Entity&HasCoverImage $entity
+     *
      * @throws ImageUploadException
      * @throws \Exception
      */
-    public function updateCoverImage(HasCoverImage $entity, ?UploadedFile $coverImage, bool $removeImage = false)
+    public function updateCoverImage($entity, ?UploadedFile $coverImage, bool $removeImage = false)
     {
         if ($coverImage) {
             $this->imageRepo->destroyImage($entity->cover);

app/Entities/Repos/BookRepo.php

@@ -91,7 +91,7 @@ class BookRepo
     {
         $book = new Book();
         $this->baseRepo->create($book, $input);
-        Activity::addForEntity($book, ActivityType::BOOK_CREATE);
+        Activity::add(ActivityType::BOOK_CREATE, $book);
 
         return $book;
     }
@@ -102,7 +102,7 @@ class BookRepo
     public function update(Book $book, array $input): Book
     {
         $this->baseRepo->update($book, $input);
-        Activity::addForEntity($book, ActivityType::BOOK_UPDATE);
+        Activity::add(ActivityType::BOOK_UPDATE, $book);
 
         return $book;
     }
@@ -127,7 +127,7 @@ class BookRepo
     {
         $trashCan = new TrashCan();
         $trashCan->softDestroyBook($book);
-        Activity::addForEntity($book, ActivityType::BOOK_DELETE);
+        Activity::add(ActivityType::BOOK_DELETE, $book);
 
         $trashCan->autoClearOld();
     }

app/Entities/Repos/BookshelfRepo.php

@@ -90,7 +90,7 @@ class BookshelfRepo
         $shelf = new Bookshelf();
         $this->baseRepo->create($shelf, $input);
         $this->updateBooks($shelf, $bookIds);
-        Activity::addForEntity($shelf, ActivityType::BOOKSHELF_CREATE);
+        Activity::add(ActivityType::BOOKSHELF_CREATE, $shelf);
 
         return $shelf;
     }
@@ -106,7 +106,7 @@ class BookshelfRepo
             $this->updateBooks($shelf, $bookIds);
         }
 
-        Activity::addForEntity($shelf, ActivityType::BOOKSHELF_UPDATE);
+        Activity::add(ActivityType::BOOKSHELF_UPDATE, $shelf);
 
         return $shelf;
     }
@@ -124,7 +124,8 @@ class BookshelfRepo
 
         $syncData = Book::visible()
             ->whereIn('id', $bookIds)
-            ->get(['id'])->pluck('id')->mapWithKeys(function ($bookId) use ($numericIDs) {
+            ->pluck('id')
+            ->mapWithKeys(function ($bookId) use ($numericIDs) {
                 return [$bookId => ['order' => $numericIDs->search($bookId)]];
             });
 
@@ -176,7 +177,7 @@ class BookshelfRepo
     {
         $trashCan = new TrashCan();
         $trashCan->softDestroyShelf($shelf);
-        Activity::addForEntity($shelf, ActivityType::BOOKSHELF_DELETE);
+        Activity::add(ActivityType::BOOKSHELF_DELETE, $shelf);
         $trashCan->autoClearOld();
     }
 }

app/Entities/Repos/ChapterRepo.php

@@ -5,10 +5,12 @@ namespace BookStack\Entities\Repos;
 use BookStack\Actions\ActivityType;
 use BookStack\Entities\Models\Book;
 use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Entity;
 use BookStack\Entities\Tools\BookContents;
 use BookStack\Entities\Tools\TrashCan;
 use BookStack\Exceptions\MoveOperationException;
 use BookStack\Exceptions\NotFoundException;
+use BookStack\Exceptions\PermissionsException;
 use BookStack\Facades\Activity;
 use Exception;
 
@@ -49,7 +51,7 @@ class ChapterRepo
         $chapter->book_id = $parentBook->id;
         $chapter->priority = (new BookContents($parentBook))->getLastPriority() + 1;
         $this->baseRepo->create($chapter, $input);
-        Activity::addForEntity($chapter, ActivityType::CHAPTER_CREATE);
+        Activity::add(ActivityType::CHAPTER_CREATE, $chapter);
 
         return $chapter;
     }
@@ -60,7 +62,7 @@ class ChapterRepo
     public function update(Chapter $chapter, array $input): Chapter
     {
         $this->baseRepo->update($chapter, $input);
-        Activity::addForEntity($chapter, ActivityType::CHAPTER_UPDATE);
+        Activity::add(ActivityType::CHAPTER_UPDATE, $chapter);
 
         return $chapter;
     }
@@ -74,7 +76,7 @@ class ChapterRepo
     {
         $trashCan = new TrashCan();
         $trashCan->softDestroyChapter($chapter);
-        Activity::addForEntity($chapter, ActivityType::CHAPTER_DELETE);
+        Activity::add(ActivityType::CHAPTER_DELETE, $chapter);
         $trashCan->autoClearOld();
     }
 
@@ -84,27 +86,43 @@ class ChapterRepo
      * 'book:<id>' (book:5).
      *
      * @throws MoveOperationException
+     * @throws PermissionsException
      */
     public function move(Chapter $chapter, string $parentIdentifier): Book
     {
-        $stringExploded = explode(':', $parentIdentifier);
-        $entityType = $stringExploded[0];
-        $entityId = intval($stringExploded[1]);
-
-        if ($entityType !== 'book') {
-            throw new MoveOperationException('Chapters can only be moved into books');
+        $parent = $this->findParentByIdentifier($parentIdentifier);
+        if (is_null($parent)) {
+            throw new MoveOperationException('Book to move chapter into not found');
         }
 
-        /** @var Book $parent */
-        $parent = Book::visible()->where('id', '=', $entityId)->first();
-        if ($parent === null) {
-            throw new MoveOperationException('Book to move chapter into not found');
+        if (!userCan('chapter-create', $parent)) {
+            throw new PermissionsException('User does not have permission to create a chapter within the chosen book');
         }
 
         $chapter->changeBook($parent->id);
         $chapter->rebuildPermissions();
-        Activity::addForEntity($chapter, ActivityType::CHAPTER_MOVE);
+        Activity::add(ActivityType::CHAPTER_MOVE, $chapter);
 
         return $parent;
     }
+
+    /**
+     * Find a page parent entity via an identifier string in the format:
+     * {type}:{id}
+     * Example: (book:5).
+     *
+     * @throws MoveOperationException
+     */
+    public function findParentByIdentifier(string $identifier): ?Book
+    {
+        $stringExploded = explode(':', $identifier);
+        $entityType = $stringExploded[0];
+        $entityId = intval($stringExploded[1]);
+
+        if ($entityType !== 'book') {
+            throw new MoveOperationException('Chapters can only be in books');
+        }
+
+        return Book::visible()->where('id', '=', $entityId)->first();
+    }
 }

app/Entities/Repos/PageRepo.php

@@ -69,9 +69,10 @@ class PageRepo
      */
     public function getByOldSlug(string $bookSlug, string $pageSlug): ?Page
     {
+        /** @var ?PageRevision $revision */
         $revision = PageRevision::query()
             ->whereHas('page', function (Builder $query) {
-                $query->visible();
+                $query->scopes('visible');
             })
             ->where('slug', '=', $pageSlug)
             ->where('type', '=', 'version')
@@ -80,7 +81,7 @@ class PageRepo
             ->with('page')
             ->first();
 
-        return $revision ? $revision->page : null;
+        return $revision->page ?? null;
     }
 
     /**
@@ -157,8 +158,8 @@ class PageRepo
      */
     public function publishDraft(Page $draft, array $input): Page
     {
-        $this->baseRepo->update($draft, $input);
         $this->updateTemplateStatusAndContentFromInput($draft, $input);
+        $this->baseRepo->update($draft, $input);
 
         $draft->draft = false;
         $draft->revision_count = 1;
@@ -170,7 +171,7 @@ class PageRepo
         $draft->indexForSearch();
         $draft->refresh();
 
-        Activity::addForEntity($draft, ActivityType::PAGE_CREATE);
+        Activity::add(ActivityType::PAGE_CREATE, $draft);
 
         return $draft;
     }
@@ -204,7 +205,7 @@ class PageRepo
             $this->savePageRevision($page, $summary);
         }
 
-        Activity::addForEntity($page, ActivityType::PAGE_UPDATE);
+        Activity::add(ActivityType::PAGE_UPDATE, $page);
 
         return $page;
     }
@@ -252,9 +253,7 @@ class PageRepo
     {
         // If the page itself is a draft simply update that
         if ($page->draft) {
-            if (isset($input['html'])) {
-                (new PageContent($page))->setNewHTML($input['html']);
-            }
+            $this->updateTemplateStatusAndContentFromInput($page, $input);
             $page->fill($input);
             $page->save();
 
@@ -282,7 +281,7 @@ class PageRepo
     {
         $trashCan = new TrashCan();
         $trashCan->softDestroyPage($page);
-        Activity::addForEntity($page, ActivityType::PAGE_DELETE);
+        Activity::add(ActivityType::PAGE_DELETE, $page);
         $trashCan->autoClearOld();
     }
 
@@ -292,6 +291,8 @@ class PageRepo
     public function restoreRevision(Page $page, int $revisionId): Page
     {
         $page->revision_count++;
+
+        /** @var PageRevision $revision */
         $revision = $page->revisions()->where('id', '=', $revisionId)->first();
 
         $page->fill($revision->toArray());
@@ -311,7 +312,7 @@ class PageRepo
         $summary = trans('entities.pages_revision_restored_from', ['id' => strval($revisionId), 'summary' => $revision->summary]);
         $this->savePageRevision($page, $summary);
 
-        Activity::addForEntity($page, ActivityType::PAGE_RESTORE);
+        Activity::add(ActivityType::PAGE_RESTORE, $page);
 
         return $page;
     }
@@ -327,7 +328,7 @@ class PageRepo
     public function move(Page $page, string $parentIdentifier): Entity
     {
         $parent = $this->findParentByIdentifier($parentIdentifier);
-        if ($parent === null) {
+        if (is_null($parent)) {
             throw new MoveOperationException('Book or chapter to move page into not found');
         }
 
@@ -336,59 +337,23 @@ class PageRepo
         }
 
         $page->chapter_id = ($parent instanceof Chapter) ? $parent->id : null;
-        $page->changeBook($parent instanceof Book ? $parent->id : $parent->book->id);
+        $newBookId = ($parent instanceof Chapter) ? $parent->book->id : $parent->id;
+        $page->changeBook($newBookId);
         $page->rebuildPermissions();
 
-        Activity::addForEntity($page, ActivityType::PAGE_MOVE);
+        Activity::add(ActivityType::PAGE_MOVE, $page);
 
         return $parent;
     }
 
     /**
-     * Copy an existing page in the system.
-     * Optionally providing a new parent via string identifier and a new name.
-     *
-     * @throws MoveOperationException
-     * @throws PermissionsException
-     */
-    public function copy(Page $page, string $parentIdentifier = null, string $newName = null): Page
-    {
-        $parent = $parentIdentifier ? $this->findParentByIdentifier($parentIdentifier) : $page->getParent();
-        if ($parent === null) {
-            throw new MoveOperationException('Book or chapter to move page into not found');
-        }
-
-        if (!userCan('page-create', $parent)) {
-            throw new PermissionsException('User does not have permission to create a page within the new parent');
-        }
-
-        $copyPage = $this->getNewDraftPage($parent);
-        $pageData = $page->getAttributes();
-
-        // Update name
-        if (!empty($newName)) {
-            $pageData['name'] = $newName;
-        }
-
-        // Copy tags from previous page if set
-        if ($page->tags) {
-            $pageData['tags'] = [];
-            foreach ($page->tags as $tag) {
-                $pageData['tags'][] = ['name' => $tag->name, 'value' => $tag->value];
-            }
-        }
-
-        return $this->publishDraft($copyPage, $pageData);
-    }
-
-    /**
-     * Find a page parent entity via a identifier string in the format:
+     * Find a page parent entity via an identifier string in the format:
      * {type}:{id}
      * Example: (book:5).
      *
      * @throws MoveOperationException
      */
-    protected function findParentByIdentifier(string $identifier): ?Entity
+    public function findParentByIdentifier(string $identifier): ?Entity
     {
         $stringExploded = explode(':', $identifier);
         $entityType = $stringExploded[0];
@@ -408,7 +373,7 @@ class PageRepo
      */
     protected function changeParent(Page $page, Entity $parent)
     {
-        $book = ($parent instanceof Book) ? $parent : $parent->book;
+        $book = ($parent instanceof Chapter) ? $parent->book : $parent;
         $page->chapter_id = ($parent instanceof Chapter) ? $parent->id : 0;
         $page->save();
 
@@ -469,6 +434,7 @@ class PageRepo
     {
         $parent = $page->getParent();
         if ($parent instanceof Chapter) {
+            /** @var ?Page $lastPage */
             $lastPage = $parent->pages('desc')->first();
 
             return $lastPage ? $lastPage->priority + 1 : 0;

app/Entities/Tools/BookContents.php

@@ -7,7 +7,6 @@ use BookStack\Entities\Models\BookChild;
 use BookStack\Entities\Models\Chapter;
 use BookStack\Entities\Models\Entity;
 use BookStack\Entities\Models\Page;
-use BookStack\Exceptions\SortOperationException;
 use Illuminate\Support\Collection;
 
 class BookContents
@@ -67,7 +66,7 @@ class BookContents
         $all->each(function (Entity $entity) use ($renderPages) {
             $entity->setRelation('book', $this->book);
 
-            if ($renderPages && $entity->isA('page')) {
+            if ($renderPages && $entity instanceof Page) {
                 $entity->html = (new PageContent($entity))->render();
             }
         });
@@ -107,111 +106,209 @@ class BookContents
     }
 
     /**
-     * Sort the books content using the given map.
-     * The map is a single-dimension collection of objects in the following format:
-     *   {
-     *     +"id": "294" (ID of item)
-     *     +"sort": 1 (Sort order index)
-     *     +"parentChapter": false (ID of parent chapter, as string, or false)
-     *     +"type": "page" (Entity type of item)
-     *     +"book": "1" (Id of book to place item in)
-     *   }.
-     *
+     * Sort the books content using the given sort map.
      * Returns a list of books that were involved in the operation.
      *
-     * @throws SortOperationException
+     * @returns Book[]
      */
-    public function sortUsingMap(Collection $sortMap): Collection
+    public function sortUsingMap(BookSortMap $sortMap): array
     {
         // Load models into map
-        $this->loadModelsIntoSortMap($sortMap);
-        $booksInvolved = $this->getBooksInvolvedInSort($sortMap);
+        $modelMap = $this->loadModelsFromSortMap($sortMap);
+
+        // Sort our changes from our map to be chapters first
+        // Since they need to be process to ensure book alignment for child page changes.
+        $sortMapItems = $sortMap->all();
+        usort($sortMapItems, function (BookSortMapItem $itemA, BookSortMapItem $itemB) {
+            $aScore = $itemA->type === 'page' ? 2 : 1;
+            $bScore = $itemB->type === 'page' ? 2 : 1;
+
+            return $aScore - $bScore;
+        });
 
         // Perform the sort
-        $sortMap->each(function ($mapItem) {
-            $this->applySortUpdates($mapItem);
-        });
+        foreach ($sortMapItems as $item) {
+            $this->applySortUpdates($item, $modelMap);
+        }
 
-        // Update permissions and activity.
-        $booksInvolved->each(function (Book $book) {
+        /** @var Book[] $booksInvolved */
+        $booksInvolved = array_values(array_filter($modelMap, function (string $key) {
+            return strpos($key, 'book:') === 0;
+        }, ARRAY_FILTER_USE_KEY));
+
+        // Update permissions of books involved
+        foreach ($booksInvolved as $book) {
             $book->rebuildPermissions();
-        });
+        }
 
         return $booksInvolved;
     }
 
     /**
      * Using the given sort map item, detect changes for the related model
-     * and update it if required.
+     * and update it if required. Changes where permissions are lacking will
+     * be skipped and not throw an error.
+     *
+     * @param array<string, Entity> $modelMap
      */
-    protected function applySortUpdates(\stdClass $sortMapItem)
+    protected function applySortUpdates(BookSortMapItem $sortMapItem, array $modelMap): void
     {
         /** @var BookChild $model */
-        $model = $sortMapItem->model;
+        $model = $modelMap[$sortMapItem->type . ':' . $sortMapItem->id] ?? null;
+        if (!$model) {
+            return;
+        }
 
-        $priorityChanged = intval($model->priority) !== intval($sortMapItem->sort);
-        $bookChanged = intval($model->book_id) !== intval($sortMapItem->book);
-        $chapterChanged = ($sortMapItem->type === 'page') && intval($model->chapter_id) !== $sortMapItem->parentChapter;
+        $priorityChanged = $model->priority !== $sortMapItem->sort;
+        $bookChanged = $model->book_id !== $sortMapItem->parentBookId;
+        $chapterChanged = ($model instanceof Page) && $model->chapter_id !== $sortMapItem->parentChapterId;
 
+        // Stop if there's no change
+        if (!$priorityChanged && !$bookChanged && !$chapterChanged) {
+            return;
+        }
+
+        $currentParentKey = 'book:' . $model->book_id;
+        if ($model instanceof Page && $model->chapter_id) {
+            $currentParentKey = 'chapter:' . $model->chapter_id;
+        }
+
+        $currentParent = $modelMap[$currentParentKey] ?? null;
+        /** @var Book $newBook */
+        $newBook = $modelMap['book:' . $sortMapItem->parentBookId] ?? null;
+        /** @var ?Chapter $newChapter */
+        $newChapter = $sortMapItem->parentChapterId ? ($modelMap['chapter:' . $sortMapItem->parentChapterId] ?? null) : null;
+
+        if (!$this->isSortChangePermissible($sortMapItem, $model, $currentParent, $newBook, $newChapter)) {
+            return;
+        }
+
+        // Action the required changes
         if ($bookChanged) {
-            $model->changeBook($sortMapItem->book);
+            $model->changeBook($newBook->id);
         }
 
         if ($chapterChanged) {
-            $model->chapter_id = intval($sortMapItem->parentChapter);
-            $model->save();
+            $model->chapter_id = $newChapter->id ?? 0;
         }
 
         if ($priorityChanged) {
-            $model->priority = intval($sortMapItem->sort);
+            $model->priority = $sortMapItem->sort;
+        }
+
+        if ($chapterChanged || $priorityChanged) {
             $model->save();
         }
     }
 
+    /**
+     * Check if the current user has permissions to apply the given sorting change.
+     * Is quite complex since items can gain a different parent change. Acts as a:
+     * - Update of old parent element (Change of content/order).
+     * - Update of sorted/moved element.
+     * - Deletion of element (Relative to parent upon move).
+     * - Creation of element within parent (Upon move to new parent).
+     */
+    protected function isSortChangePermissible(BookSortMapItem $sortMapItem, BookChild $model, ?Entity $currentParent, ?Entity $newBook, ?Entity $newChapter): bool
+    {
+        // Stop if we can't see the current parent or new book.
+        if (!$currentParent || !$newBook) {
+            return false;
+        }
+
+        $hasNewParent = $newBook->id !== $model->book_id || ($model instanceof Page && $model->chapter_id !== ($sortMapItem->parentChapterId ?? 0));
+        if ($model instanceof Chapter) {
+            $hasPermission = userCan('book-update', $currentParent)
+                && userCan('book-update', $newBook)
+                && userCan('chapter-update', $model)
+                && (!$hasNewParent || userCan('chapter-create', $newBook))
+                && (!$hasNewParent || userCan('chapter-delete', $model));
+
+            if (!$hasPermission) {
+                return false;
+            }
+        }
+
+        if ($model instanceof Page) {
+            $parentPermission = ($currentParent instanceof Chapter) ? 'chapter-update' : 'book-update';
+            $hasCurrentParentPermission = userCan($parentPermission, $currentParent);
+
+            // This needs to check if there was an intended chapter location in the original sort map
+            // rather than inferring from the $newChapter since that variable may be null
+            // due to other reasons (Visibility).
+            $newParent = $sortMapItem->parentChapterId ? $newChapter : $newBook;
+            if (!$newParent) {
+                return false;
+            }
+
+            $hasPageEditPermission = userCan('page-update', $model);
+            $newParentInRightLocation = ($newParent instanceof Book || $newParent->book_id === $newBook->id);
+            $newParentPermission = ($newParent instanceof Chapter) ? 'chapter-update' : 'book-update';
+            $hasNewParentPermission = userCan($newParentPermission, $newParent);
+
+            $hasDeletePermissionIfMoving = (!$hasNewParent || userCan('page-delete', $model));
+            $hasCreatePermissionIfMoving = (!$hasNewParent || userCan('page-create', $newParent));
+
+            $hasPermission = $hasCurrentParentPermission
+                && $newParentInRightLocation
+                && $hasNewParentPermission
+                && $hasPageEditPermission
+                && $hasDeletePermissionIfMoving
+                && $hasCreatePermissionIfMoving;
+
+            if (!$hasPermission) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     /**
      * Load models from the database into the given sort map.
-     */
-    protected function loadModelsIntoSortMap(Collection $sortMap): void
-    {
-        $keyMap = $sortMap->keyBy(function (\stdClass $sortMapItem) {
-            return  $sortMapItem->type . ':' . $sortMapItem->id;
-        });
-        $pageIds = $sortMap->where('type', '=', 'page')->pluck('id');
-        $chapterIds = $sortMap->where('type', '=', 'chapter')->pluck('id');
-
-        $pages = Page::visible()->whereIn('id', $pageIds)->get();
-        $chapters = Chapter::visible()->whereIn('id', $chapterIds)->get();
-
-        foreach ($pages as $page) {
-            $sortItem = $keyMap->get('page:' . $page->id);
-            $sortItem->model = $page;
-        }
-
-        foreach ($chapters as $chapter) {
-            $sortItem = $keyMap->get('chapter:' . $chapter->id);
-            $sortItem->model = $chapter;
-        }
-    }
-
-    /**
-     * Get the books involved in a sort.
-     * The given sort map should have its models loaded first.
      *
-     * @throws SortOperationException
+     * @return array<string, Entity>
      */
-    protected function getBooksInvolvedInSort(Collection $sortMap): Collection
+    protected function loadModelsFromSortMap(BookSortMap $sortMap): array
     {
-        $bookIdsInvolved = collect([$this->book->id]);
-        $bookIdsInvolved = $bookIdsInvolved->concat($sortMap->pluck('book'));
-        $bookIdsInvolved = $bookIdsInvolved->concat($sortMap->pluck('model.book_id'));
-        $bookIdsInvolved = $bookIdsInvolved->unique()->toArray();
+        $modelMap = [];
+        $ids = [
+            'chapter' => [],
+            'page'    => [],
+            'book'    => [],
+        ];
 
-        $books = Book::hasPermission('update')->whereIn('id', $bookIdsInvolved)->get();
-
-        if (count($books) !== count($bookIdsInvolved)) {
-            throw new SortOperationException('Could not find all books requested in sort operation');
+        foreach ($sortMap->all() as $sortMapItem) {
+            $ids[$sortMapItem->type][] = $sortMapItem->id;
+            $ids['book'][] = $sortMapItem->parentBookId;
+            if ($sortMapItem->parentChapterId) {
+                $ids['chapter'][] = $sortMapItem->parentChapterId;
+            }
         }
 
-        return $books;
+        $pages = Page::visible()->whereIn('id', array_unique($ids['page']))->get(Page::$listAttributes);
+        /** @var Page $page */
+        foreach ($pages as $page) {
+            $modelMap['page:' . $page->id] = $page;
+            $ids['book'][] = $page->book_id;
+            if ($page->chapter_id) {
+                $ids['chapter'][] = $page->chapter_id;
+            }
+        }
+
+        $chapters = Chapter::visible()->whereIn('id', array_unique($ids['chapter']))->get();
+        /** @var Chapter $chapter */
+        foreach ($chapters as $chapter) {
+            $modelMap['chapter:' . $chapter->id] = $chapter;
+            $ids['book'][] = $chapter->book_id;
+        }
+
+        $books = Book::visible()->whereIn('id', array_unique($ids['book']))->get();
+        /** @var Book $book */
+        foreach ($books as $book) {
+            $modelMap['book:' . $book->id] = $book;
+        }
+
+        return $modelMap;
     }
 }

app/Entities/Tools/BookSortMap.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace BookStack\Entities\Tools;
+
+class BookSortMap
+{
+    /**
+     * @var BookSortMapItem[]
+     */
+    protected $mapData = [];
+
+    public function addItem(BookSortMapItem $mapItem): void
+    {
+        $this->mapData[] = $mapItem;
+    }
+
+    /**
+     * @return BookSortMapItem[]
+     */
+    public function all(): array
+    {
+        return $this->mapData;
+    }
+
+    public static function fromJson(string $json): self
+    {
+        $map = new BookSortMap();
+        $mapData = json_decode($json);
+
+        foreach ($mapData as $mapDataItem) {
+            $item = new BookSortMapItem(
+                intval($mapDataItem->id),
+                intval($mapDataItem->sort),
+                $mapDataItem->parentChapter ? intval($mapDataItem->parentChapter) : null,
+                $mapDataItem->type,
+                intval($mapDataItem->book)
+            );
+
+            $map->addItem($item);
+        }
+
+        return $map;
+    }
+}

app/Entities/Tools/BookSortMapItem.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace BookStack\Entities\Tools;
+
+class BookSortMapItem
+{
+    /**
+     * @var int
+     */
+    public $id;
+
+    /**
+     * @var int
+     */
+    public $sort;
+
+    /**
+     * @var ?int
+     */
+    public $parentChapterId;
+
+    /**
+     * @var string
+     */
+    public $type;
+
+    /**
+     * @var int
+     */
+    public $parentBookId;
+
+    public function __construct(int $id, int $sort, ?int $parentChapterId, string $type, int $parentBookId)
+    {
+        $this->id = $id;
+        $this->sort = $sort;
+        $this->parentChapterId = $parentChapterId;
+        $this->type = $type;
+        $this->parentBookId = $parentBookId;
+    }
+}

app/Entities/Tools/Cloner.php

@@ -0,0 +1,147 @@
+<?php
+
+namespace BookStack\Entities\Tools;
+
+use BookStack\Actions\Tag;
+use BookStack\Entities\Models\Book;
+use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Entity;
+use BookStack\Entities\Models\Page;
+use BookStack\Entities\Repos\BookRepo;
+use BookStack\Entities\Repos\ChapterRepo;
+use BookStack\Entities\Repos\PageRepo;
+use BookStack\Uploads\Image;
+use BookStack\Uploads\ImageService;
+use Illuminate\Http\UploadedFile;
+
+class Cloner
+{
+    /**
+     * @var PageRepo
+     */
+    protected $pageRepo;
+
+    /**
+     * @var ChapterRepo
+     */
+    protected $chapterRepo;
+
+    /**
+     * @var BookRepo
+     */
+    protected $bookRepo;
+
+    /**
+     * @var ImageService
+     */
+    protected $imageService;
+
+    public function __construct(PageRepo $pageRepo, ChapterRepo $chapterRepo, BookRepo $bookRepo, ImageService $imageService)
+    {
+        $this->pageRepo = $pageRepo;
+        $this->chapterRepo = $chapterRepo;
+        $this->bookRepo = $bookRepo;
+        $this->imageService = $imageService;
+    }
+
+    /**
+     * Clone the given page into the given parent using the provided name.
+     */
+    public function clonePage(Page $original, Entity $parent, string $newName): Page
+    {
+        $copyPage = $this->pageRepo->getNewDraftPage($parent);
+        $pageData = $original->getAttributes();
+
+        // Update name & tags
+        $pageData['name'] = $newName;
+        $pageData['tags'] = $this->entityTagsToInputArray($original);
+
+        return $this->pageRepo->publishDraft($copyPage, $pageData);
+    }
+
+    /**
+     * Clone the given page into the given parent using the provided name.
+     * Clones all child pages.
+     */
+    public function cloneChapter(Chapter $original, Book $parent, string $newName): Chapter
+    {
+        $chapterDetails = $original->getAttributes();
+        $chapterDetails['name'] = $newName;
+        $chapterDetails['tags'] = $this->entityTagsToInputArray($original);
+
+        $copyChapter = $this->chapterRepo->create($chapterDetails, $parent);
+
+        if (userCan('page-create', $copyChapter)) {
+            /** @var Page $page */
+            foreach ($original->getVisiblePages() as $page) {
+                $this->clonePage($page, $copyChapter, $page->name);
+            }
+        }
+
+        return $copyChapter;
+    }
+
+    /**
+     * Clone the given book.
+     * Clones all child chapters & pages.
+     */
+    public function cloneBook(Book $original, string $newName): Book
+    {
+        $bookDetails = $original->getAttributes();
+        $bookDetails['name'] = $newName;
+        $bookDetails['tags'] = $this->entityTagsToInputArray($original);
+
+        $copyBook = $this->bookRepo->create($bookDetails);
+
+        $directChildren = $original->getDirectChildren();
+        foreach ($directChildren as $child) {
+            if ($child instanceof Chapter && userCan('chapter-create', $copyBook)) {
+                $this->cloneChapter($child, $copyBook, $child->name);
+            }
+
+            if ($child instanceof Page && !$child->draft && userCan('page-create', $copyBook)) {
+                $this->clonePage($child, $copyBook, $child->name);
+            }
+        }
+
+        if ($original->cover) {
+            try {
+                $tmpImgFile = tmpfile();
+                $uploadedFile = $this->imageToUploadedFile($original->cover, $tmpImgFile);
+                $this->bookRepo->updateCoverImage($copyBook, $uploadedFile, false);
+            } catch (\Exception $exception) {
+            }
+        }
+
+        return $copyBook;
+    }
+
+    /**
+     * Convert an image instance to an UploadedFile instance to mimic
+     * a file being uploaded.
+     */
+    protected function imageToUploadedFile(Image $image, &$tmpFile): ?UploadedFile
+    {
+        $imgData = $this->imageService->getImageData($image);
+        $tmpImgFilePath = stream_get_meta_data($tmpFile)['uri'];
+        file_put_contents($tmpImgFilePath, $imgData);
+
+        return new UploadedFile($tmpImgFilePath, basename($image->path));
+    }
+
+    /**
+     * Convert the tags on the given entity to the raw format
+     * that's used for incoming request data.
+     */
+    protected function entityTagsToInputArray(Entity $entity): array
+    {
+        $tags = [];
+
+        /** @var Tag $tag */
+        foreach ($entity->tags as $tag) {
+            $tags[] = ['name' => $tag->name, 'value' => $tag->value];
+        }
+
+        return $tags;
+    }
+}

app/Entities/Tools/ExportFormatter.php

@@ -7,21 +7,24 @@ use BookStack\Entities\Models\Chapter;
 use BookStack\Entities\Models\Page;
 use BookStack\Entities\Tools\Markdown\HtmlToMarkdown;
 use BookStack\Uploads\ImageService;
-use DomPDF;
+use DOMDocument;
+use DOMElement;
+use DOMXPath;
 use Exception;
-use SnappyPDF;
 use Throwable;
 
 class ExportFormatter
 {
     protected $imageService;
+    protected $pdfGenerator;
 
     /**
      * ExportService constructor.
      */
-    public function __construct(ImageService $imageService)
+    public function __construct(ImageService $imageService, PdfGenerator $pdfGenerator)
     {
         $this->imageService = $imageService;
+        $this->pdfGenerator = $pdfGenerator;
     }
 
     /**
@@ -89,6 +92,7 @@ class ExportFormatter
         $html = view('pages.export', [
             'page'   => $page,
             'format' => 'pdf',
+            'engine' => $this->pdfGenerator->getActiveEngine(),
         ])->render();
 
         return $this->htmlToPdf($html);
@@ -110,6 +114,7 @@ class ExportFormatter
             'chapter' => $chapter,
             'pages'   => $pages,
             'format'  => 'pdf',
+            'engine'  => $this->pdfGenerator->getActiveEngine(),
         ])->render();
 
         return $this->htmlToPdf($html);
@@ -127,6 +132,7 @@ class ExportFormatter
             'book'         => $book,
             'bookChildren' => $bookTree,
             'format'       => 'pdf',
+            'engine'       => $this->pdfGenerator->getActiveEngine(),
         ])->render();
 
         return $this->htmlToPdf($html);
@@ -139,16 +145,61 @@ class ExportFormatter
      */
     protected function htmlToPdf(string $html): string
     {
-        $containedHtml = $this->containHtml($html);
-        $useWKHTML = config('snappy.pdf.binary') !== false && config('app.allow_untrusted_server_fetching') === true;
-        if ($useWKHTML) {
-            $pdf = SnappyPDF::loadHTML($containedHtml);
-            $pdf->setOption('print-media-type', true);
-        } else {
-            $pdf = DomPDF::loadHTML($containedHtml);
+        $html = $this->containHtml($html);
+        $html = $this->replaceIframesWithLinks($html);
+        $html = $this->openDetailElements($html);
+
+        return $this->pdfGenerator->fromHtml($html);
+    }
+
+    /**
+     * Within the given HTML content, Open any detail blocks.
+     */
+    protected function openDetailElements(string $html): string
+    {
+        libxml_use_internal_errors(true);
+
+        $doc = new DOMDocument();
+        $doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));
+        $xPath = new DOMXPath($doc);
+
+        $details = $xPath->query('//details');
+        /** @var DOMElement $detail */
+        foreach ($details as $detail) {
+            $detail->setAttribute('open', 'open');
         }
 
-        return $pdf->output();
+        return $doc->saveHTML();
+    }
+
+    /**
+     * Within the given HTML content, replace any iframe elements
+     * with anchor links within paragraph blocks.
+     */
+    protected function replaceIframesWithLinks(string $html): string
+    {
+        libxml_use_internal_errors(true);
+
+        $doc = new DOMDocument();
+        $doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));
+        $xPath = new DOMXPath($doc);
+
+        $iframes = $xPath->query('//iframe');
+        /** @var DOMElement $iframe */
+        foreach ($iframes as $iframe) {
+            $link = $iframe->getAttribute('src');
+            if (strpos($link, '//') === 0) {
+                $link = 'https:' . $link;
+            }
+
+            $anchor = $doc->createElement('a', $link);
+            $anchor->setAttribute('href', $link);
+            $paragraph = $doc->createElement('p');
+            $paragraph->appendChild($anchor);
+            $iframe->parentNode->replaceChild($paragraph, $iframe);
+        }
+
+        return $doc->saveHTML();
     }
 
     /**

app/Entities/Tools/NextPreviousContentLocator.php

@@ -64,7 +64,7 @@ class NextPreviousContentLocator
         /** @var Entity $item */
         foreach ($bookTree->all() as $item) {
             $flatOrdered->push($item);
-            $childPages = $item->visible_pages ?? [];
+            $childPages = $item->getAttribute('visible_pages') ?? [];
             $flatOrdered = $flatOrdered->concat($childPages);
         }
 

app/Entities/Tools/PageContent.php

@@ -12,6 +12,8 @@ use BookStack\Uploads\ImageRepo;
 use BookStack\Uploads\ImageService;
 use BookStack\Util\HtmlContentFilter;
 use DOMDocument;
+use DOMElement;
+use DOMNode;
 use DOMNodeList;
 use DOMXPath;
 use Illuminate\Support\Str;
@@ -107,15 +109,35 @@ class PageContent
 
     /**
      * Convert all inline base64 content to uploaded image files.
+     * Regex is used to locate the start of data-uri definitions then
+     * manual looping over content is done to parse the whole data uri.
+     * Attempting to capture the whole data uri using regex can cause PHP
+     * PCRE limits to be hit with larger, multi-MB, files.
      */
     protected function extractBase64ImagesFromMarkdown(string $markdown)
     {
         $matches = [];
-        preg_match_all('/!\[.*?]\(.*?(data:image\/.*?)[)"\s]/', $markdown, $matches);
+        $contentLength = strlen($markdown);
+        $replacements = [];
+        preg_match_all('/!\[.*?]\(.*?(data:image\/.{1,6};base64,)/', $markdown, $matches, PREG_OFFSET_CAPTURE);
 
-        foreach ($matches[1] as $base64Match) {
-            $newUrl = $this->base64ImageUriToUploadedImageUrl($base64Match);
-            $markdown = str_replace($base64Match, $newUrl, $markdown);
+        foreach ($matches[1] as $base64MatchPair) {
+            [$dataUri, $index] = $base64MatchPair;
+
+            for ($i = strlen($dataUri) + $index; $i < $contentLength; $i++) {
+                $char = $markdown[$i];
+                if ($char === ')' || $char === ' ' || $char === "\n" || $char === '"') {
+                    break;
+                }
+                $dataUri .= $char;
+            }
+
+            $newUrl = $this->base64ImageUriToUploadedImageUrl($dataUri);
+            $replacements[] = [$dataUri, $newUrl];
+        }
+
+        foreach ($replacements as [$dataUri, $newUrl]) {
+            $markdown = str_replace($dataUri, $newUrl, $markdown);
         }
 
         return $markdown;
@@ -135,6 +157,12 @@ class PageContent
             return '';
         }
 
+        // Validate that the content is not over our upload limit
+        $uploadLimitBytes = (config('app.upload_limit') * 1000000);
+        if (strlen($imageInfo['data']) > $uploadLimitBytes) {
+            return '';
+        }
+
         // Save image from data with a random name
         $imageName = 'embedded-image-' . Str::random(8) . '.' . $imageInfo['extension'];
 
@@ -150,7 +178,7 @@ class PageContent
     /**
      * Parse a base64 image URI into the data and extension.
      *
-     * @return array{extension: array, data: string}
+     * @return array{extension: string, data: string}
      */
     protected function parseBase64ImageUri(string $uri): array
     {
@@ -187,6 +215,15 @@ class PageContent
             }
         }
 
+        // Set ids on nested header nodes
+        $nestedHeaders = $xPath->query('//body//*//h1|//body//*//h2|//body//*//h3|//body//*//h4|//body//*//h5|//body//*//h6');
+        foreach ($nestedHeaders as $nestedHeader) {
+            [$oldId, $newId] = $this->setUniqueId($nestedHeader, $idMap);
+            if ($newId && $newId !== $oldId) {
+                $this->updateLinks($xPath, '#' . $oldId, '#' . $newId);
+            }
+        }
+
         // Ensure no duplicate ids within child items
         $idElems = $xPath->query('//body//*//*[@id]');
         foreach ($idElems as $domElem) {
@@ -222,9 +259,9 @@ class PageContent
      * A map for existing ID's should be passed in to check for current existence.
      * Returns a pair of strings in the format [old_id, new_id].
      */
-    protected function setUniqueId(\DOMNode $element, array &$idMap): array
+    protected function setUniqueId(DOMNode $element, array &$idMap): array
     {
-        if (get_class($element) !== 'DOMElement') {
+        if (!$element instanceof DOMElement) {
             return ['', ''];
         }
 
@@ -236,7 +273,7 @@ class PageContent
             return [$existingId, $existingId];
         }
 
-        // Create an unique id for the element
+        // Create a 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.
         $contentId = 'bkmrk-' . mb_substr(strtolower(preg_replace('/\s+/', '-', trim($element->nodeValue))), 0, 20);
@@ -306,7 +343,7 @@ class PageContent
      */
     protected function headerNodesToLevelList(DOMNodeList $nodeList): array
     {
-        $tree = collect($nodeList)->map(function ($header) {
+        $tree = collect($nodeList)->map(function (DOMElement $header) {
             $text = trim(str_replace("\xc2\xa0", '', $header->nodeValue));
             $text = mb_substr($text, 0, 100);
 
@@ -384,7 +421,7 @@ class PageContent
      */
     protected function fetchSectionOfPage(Page $page, string $sectionId): string
     {
-        $topLevelTags = ['table', 'ul', 'ol'];
+        $topLevelTags = ['table', 'ul', 'ol', 'pre'];
         $doc = $this->loadDocumentFromHtml($page->html);
 
         // Search included content for the id given and blank out if not exists.

app/Entities/Tools/PageEditActivity.php

@@ -35,7 +35,13 @@ class PageEditActivity
         $pageDraftEdits = $this->activePageEditingQuery(60)->get();
         $count = $pageDraftEdits->count();
 
-        $userMessage = $count > 1 ? trans('entities.pages_draft_edit_active.start_a', ['count' => $count]) : trans('entities.pages_draft_edit_active.start_b', ['userName' => $pageDraftEdits->first()->createdBy->name]);
+        $userMessage = trans('entities.pages_draft_edit_active.start_a', ['count' => $count]);
+        if ($count === 1) {
+            /** @var PageRevision $firstDraft */
+            $firstDraft = $pageDraftEdits->first();
+            $userMessage = trans('entities.pages_draft_edit_active.start_b', ['userName' => $firstDraft->createdBy->name ?? '']);
+        }
+
         $timeMessage = trans('entities.pages_draft_edit_active.time_b', ['minCount'=> 60]);
 
         return trans('entities.pages_draft_edit_active.message', ['start' => $userMessage, 'time' => $timeMessage]);

app/Entities/Tools/PdfGenerator.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace BookStack\Entities\Tools;
+
+use Barryvdh\DomPDF\Facade as DomPDF;
+use Barryvdh\Snappy\Facades\SnappyPdf;
+
+class PdfGenerator
+{
+    const ENGINE_DOMPDF = 'dompdf';
+    const ENGINE_WKHTML = 'wkhtml';
+
+    /**
+     * Generate PDF content from the given HTML content.
+     */
+    public function fromHtml(string $html): string
+    {
+        if ($this->getActiveEngine() === self::ENGINE_WKHTML) {
+            $pdf = SnappyPDF::loadHTML($html);
+            $pdf->setOption('print-media-type', true);
+        } else {
+            $pdf = DomPDF::loadHTML($html);
+        }
+
+        return $pdf->output();
+    }
+
+    /**
+     * Get the currently active PDF engine.
+     * Returns the value of an `ENGINE_` const on this class.
+     */
+    public function getActiveEngine(): string
+    {
+        $useWKHTML = config('snappy.pdf.binary') !== false && config('app.allow_untrusted_server_fetching') === true;
+
+        return $useWKHTML ? self::ENGINE_WKHTML : self::ENGINE_DOMPDF;
+    }
+}

app/Entities/Tools/PermissionsUpdater.php

@@ -35,7 +35,7 @@ class PermissionsUpdater
         $entity->save();
         $entity->rebuildPermissions();
 
-        Activity::addForEntity($entity, ActivityType::PERMISSIONS_UPDATE);
+        Activity::add(ActivityType::PERMISSIONS_UPDATE, $entity);
     }
 
     /**

app/Entities/Tools/SearchIndex.php

@@ -2,26 +2,32 @@
 
 namespace BookStack\Entities\Tools;
 
+use BookStack\Actions\Tag;
 use BookStack\Entities\EntityProvider;
 use BookStack\Entities\Models\Entity;
+use BookStack\Entities\Models\Page;
 use BookStack\Entities\Models\SearchTerm;
+use DOMDocument;
+use DOMNode;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Collection;
 
 class SearchIndex
 {
     /**
-     * @var SearchTerm
+     * A list of delimiter characters used to break-up parsed content into terms for indexing.
+     *
+     * @var string
      */
-    protected $searchTerm;
+    public static $delimiters = " \n\t.,!?:;()[]{}<>`'\"";
 
     /**
      * @var EntityProvider
      */
     protected $entityProvider;
 
-    public function __construct(SearchTerm $searchTerm, EntityProvider $entityProvider)
+    public function __construct(EntityProvider $entityProvider)
     {
-        $this->searchTerm = $searchTerm;
         $this->entityProvider = $entityProvider;
     }
 
@@ -31,14 +37,8 @@ class SearchIndex
     public function indexEntity(Entity $entity)
     {
         $this->deleteEntityTerms($entity);
-        $nameTerms = $this->generateTermArrayFromText($entity->name, 5 * $entity->searchFactor);
-        $bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1 * $entity->searchFactor);
-        $terms = array_merge($nameTerms, $bodyTerms);
-        foreach ($terms as $index => $term) {
-            $terms[$index]['entity_type'] = $entity->getMorphClass();
-            $terms[$index]['entity_id'] = $entity->id;
-        }
-        $this->searchTerm->newQuery()->insert($terms);
+        $terms = $this->entityToTermDataArray($entity);
+        SearchTerm::query()->insert($terms);
     }
 
     /**
@@ -46,40 +46,56 @@ class SearchIndex
      *
      * @param Entity[] $entities
      */
-    protected function indexEntities(array $entities)
+    public function indexEntities(array $entities)
     {
         $terms = [];
         foreach ($entities as $entity) {
-            $nameTerms = $this->generateTermArrayFromText($entity->name, 5 * $entity->searchFactor);
-            $bodyTerms = $this->generateTermArrayFromText($entity->getText(), 1 * $entity->searchFactor);
-            foreach (array_merge($nameTerms, $bodyTerms) as $term) {
-                $term['entity_id'] = $entity->id;
-                $term['entity_type'] = $entity->getMorphClass();
-                $terms[] = $term;
-            }
+            $entityTerms = $this->entityToTermDataArray($entity);
+            array_push($terms, ...$entityTerms);
         }
 
         $chunkedTerms = array_chunk($terms, 500);
         foreach ($chunkedTerms as $termChunk) {
-            $this->searchTerm->newQuery()->insert($termChunk);
+            SearchTerm::query()->insert($termChunk);
         }
     }
 
     /**
      * Delete and re-index the terms for all entities in the system.
+     * Can take a callback which is used for reporting progress.
+     * Callback receives three arguments:
+     * - An instance of the model being processed
+     * - The number that have been processed so far.
+     * - The total number of that model to be processed.
+     *
+     * @param callable(Entity, int, int):void|null $progressCallback
      */
-    public function indexAllEntities()
+    public function indexAllEntities(?callable $progressCallback = null)
     {
-        $this->searchTerm->newQuery()->truncate();
+        SearchTerm::query()->truncate();
 
         foreach ($this->entityProvider->all() as $entityModel) {
-            $selectFields = ['id', 'name', $entityModel->textField];
+            $indexContentField = $entityModel instanceof Page ? 'html' : 'description';
+            $selectFields = ['id', 'name', $indexContentField];
+            /** @var Builder<Entity> $query */
+            $query = $entityModel->newQuery();
+            $total = $query->withTrashed()->count();
+            $chunkSize = 250;
+            $processed = 0;
+
+            $chunkCallback = function (Collection $entities) use ($progressCallback, &$processed, $total, $chunkSize, $entityModel) {
+                $this->indexEntities($entities->all());
+                $processed = min($processed + $chunkSize, $total);
+
+                if (is_callable($progressCallback)) {
+                    $progressCallback($entityModel, $processed, $total);
+                }
+            };
+
             $entityModel->newQuery()
-                ->withTrashed()
                 ->select($selectFields)
-                ->chunk(1000, function (Collection $entities) {
-                    $this->indexEntities($entities->all());
-                });
+                ->with(['tags:id,name,value,entity_id,entity_type'])
+                ->chunk($chunkSize, $chunkCallback);
         }
     }
 
@@ -92,12 +108,97 @@ class SearchIndex
     }
 
     /**
-     * Create a scored term array from the given text.
+     * Create a scored term array from the given text, where the keys are the terms
+     * and the values are their scores.
+     *
+     * @returns array<string, int>
      */
-    protected function generateTermArrayFromText(string $text, int $scoreAdjustment = 1): array
+    protected function generateTermScoreMapFromText(string $text, int $scoreAdjustment = 1): array
+    {
+        $termMap = $this->textToTermCountMap($text);
+
+        foreach ($termMap as $term => $count) {
+            $termMap[$term] = $count * $scoreAdjustment;
+        }
+
+        return $termMap;
+    }
+
+    /**
+     * Create a scored term array from the given HTML, where the keys are the terms
+     * and the values are their scores.
+     *
+     * @returns array<string, int>
+     */
+    protected function generateTermScoreMapFromHtml(string $html): array
+    {
+        if (empty($html)) {
+            return [];
+        }
+
+        $scoresByTerm = [];
+        $elementScoreAdjustmentMap = [
+            'h1' => 10,
+            'h2' => 5,
+            'h3' => 4,
+            'h4' => 3,
+            'h5' => 2,
+            'h6' => 1.5,
+        ];
+
+        $html = '<body>' . $html . '</body>';
+        libxml_use_internal_errors(true);
+        $doc = new DOMDocument();
+        $doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));
+
+        $topElems = $doc->documentElement->childNodes->item(0)->childNodes;
+        /** @var DOMNode $child */
+        foreach ($topElems as $child) {
+            $nodeName = $child->nodeName;
+            $termCounts = $this->textToTermCountMap(trim($child->textContent));
+            foreach ($termCounts as $term => $count) {
+                $scoreChange = $count * ($elementScoreAdjustmentMap[$nodeName] ?? 1);
+                $scoresByTerm[$term] = ($scoresByTerm[$term] ?? 0) + $scoreChange;
+            }
+        }
+
+        return $scoresByTerm;
+    }
+
+    /**
+     * Create a scored term map from the given set of entity tags.
+     *
+     * @param Tag[] $tags
+     *
+     * @returns array<string, int>
+     */
+    protected function generateTermScoreMapFromTags(array $tags): array
+    {
+        $scoreMap = [];
+        $names = [];
+        $values = [];
+
+        foreach ($tags as $tag) {
+            $names[] = $tag->name;
+            $values[] = $tag->value;
+        }
+
+        $nameMap = $this->generateTermScoreMapFromText(implode(' ', $names), 3);
+        $valueMap = $this->generateTermScoreMapFromText(implode(' ', $values), 5);
+
+        return $this->mergeTermScoreMaps($nameMap, $valueMap);
+    }
+
+    /**
+     * For the given text, return an array where the keys are the unique term words
+     * and the values are the frequency of that term.
+     *
+     * @returns array<string, int>
+     */
+    protected function textToTermCountMap(string $text): array
     {
         $tokenMap = []; // {TextToken => OccurrenceCount}
-        $splitChars = " \n\t.,!?:;()[]{}<>`'\"";
+        $splitChars = static::$delimiters;
         $token = strtok($text, $splitChars);
 
         while ($token !== false) {
@@ -108,14 +209,61 @@ class SearchIndex
             $token = strtok($splitChars);
         }
 
-        $terms = [];
-        foreach ($tokenMap as $token => $count) {
-            $terms[] = [
-                'term'  => $token,
-                'score' => $count * $scoreAdjustment,
+        return $tokenMap;
+    }
+
+    /**
+     * For the given entity, Generate an array of term data details.
+     * Is the raw term data, not instances of SearchTerm models.
+     *
+     * @returns array{term: string, score: float, entity_id: int, entity_type: string}[]
+     */
+    protected function entityToTermDataArray(Entity $entity): array
+    {
+        $nameTermsMap = $this->generateTermScoreMapFromText($entity->name, 40 * $entity->searchFactor);
+        $tagTermsMap = $this->generateTermScoreMapFromTags($entity->tags->all());
+
+        if ($entity instanceof Page) {
+            $bodyTermsMap = $this->generateTermScoreMapFromHtml($entity->html);
+        } else {
+            $bodyTermsMap = $this->generateTermScoreMapFromText($entity->getAttribute('description') ?? '', $entity->searchFactor);
+        }
+
+        $mergedScoreMap = $this->mergeTermScoreMaps($nameTermsMap, $bodyTermsMap, $tagTermsMap);
+
+        $dataArray = [];
+        $entityId = $entity->id;
+        $entityType = $entity->getMorphClass();
+        foreach ($mergedScoreMap as $term => $score) {
+            $dataArray[] = [
+                'term'        => $term,
+                'score'       => $score,
+                'entity_type' => $entityType,
+                'entity_id'   => $entityId,
             ];
         }
 
-        return $terms;
+        return $dataArray;
+    }
+
+    /**
+     * For the given term data arrays, Merge their contents by term
+     * while combining any scores.
+     *
+     * @param array<string, int>[] ...$scoreMaps
+     *
+     * @returns array<string, int>
+     */
+    protected function mergeTermScoreMaps(...$scoreMaps): array
+    {
+        $mergedMap = [];
+
+        foreach ($scoreMaps as $scoreMap) {
+            foreach ($scoreMap as $term => $score) {
+                $mergedMap[$term] = ($mergedMap[$term] ?? 0) + $score;
+            }
+        }
+
+        return $mergedMap;
     }
 }

app/Entities/Tools/SearchOptions.php

@@ -29,10 +29,10 @@ class SearchOptions
     /**
      * Create a new instance from a search string.
      */
-    public static function fromString(string $search): SearchOptions
+    public static function fromString(string $search): self
     {
         $decoded = static::decode($search);
-        $instance = new static();
+        $instance = new SearchOptions();
         foreach ($decoded as $type => $value) {
             $instance->$type = $value;
         }
@@ -45,7 +45,7 @@ class SearchOptions
      * Will look for a classic string term and use that
      * Otherwise we'll use the details from an advanced search form.
      */
-    public static function fromRequest(Request $request): SearchOptions
+    public static function fromRequest(Request $request): self
     {
         if (!$request->has('search') && !$request->has('term')) {
             return static::fromString('');
@@ -55,17 +55,24 @@ class SearchOptions
             return static::fromString($request->get('term'));
         }
 
-        $instance = new static();
+        $instance = new SearchOptions();
         $inputs = $request->only(['search', 'types', 'filters', 'exact', 'tags']);
-        $instance->searches = explode(' ', $inputs['search'] ?? []);
-        $instance->exacts = array_filter($inputs['exact'] ?? []);
+
+        $parsedStandardTerms = static::parseStandardTermString($inputs['search'] ?? '');
+        $instance->searches = $parsedStandardTerms['terms'];
+        $instance->exacts = $parsedStandardTerms['exacts'];
+
+        array_push($instance->exacts, ...array_filter($inputs['exact'] ?? []));
+
         $instance->tags = array_filter($inputs['tags'] ?? []);
+
         foreach (($inputs['filters'] ?? []) as $filterKey => $filterVal) {
             if (empty($filterVal)) {
                 continue;
             }
             $instance->filters[$filterKey] = $filterVal === 'true' ? '' : $filterVal;
         }
+
         if (isset($inputs['types']) && count($inputs['types']) < 4) {
             $instance->filters['type'] = implode('|', $inputs['types']);
         }
@@ -102,11 +109,9 @@ class SearchOptions
         }
 
         // Parse standard terms
-        foreach (explode(' ', trim($searchString)) as $searchTerm) {
-            if ($searchTerm !== '') {
-                $terms['searches'][] = $searchTerm;
-            }
-        }
+        $parsedStandardTerms = static::parseStandardTermString($searchString);
+        array_push($terms['searches'], ...$parsedStandardTerms['terms']);
+        array_push($terms['exacts'], ...$parsedStandardTerms['exacts']);
 
         // Split filter values out
         $splitFilters = [];
@@ -119,6 +124,33 @@ class SearchOptions
         return $terms;
     }
 
+    /**
+     * Parse a standard search term string into individual search terms and
+     * extract any exact terms searches to be made.
+     *
+     * @return array{terms: array<string>, exacts: array<string>}
+     */
+    protected static function parseStandardTermString(string $termString): array
+    {
+        $terms = explode(' ', $termString);
+        $indexDelimiters = SearchIndex::$delimiters;
+        $parsed = [
+            'terms'  => [],
+            'exacts' => [],
+        ];
+
+        foreach ($terms as $searchTerm) {
+            if ($searchTerm === '') {
+                continue;
+            }
+
+            $parsedList = (strpbrk($searchTerm, $indexDelimiters) === false) ? 'terms' : 'exacts';
+            $parsed[$parsedList][] = $searchTerm;
+        }
+
+        return $parsed;
+    }
+
     /**
      * Encode this instance to a search string.
      */

app/Entities/Tools/SearchResultsFormatter.php

@@ -0,0 +1,236 @@
+<?php
+
+namespace BookStack\Entities\Tools;
+
+use BookStack\Actions\Tag;
+use BookStack\Entities\Models\Entity;
+use Illuminate\Support\HtmlString;
+
+class SearchResultsFormatter
+{
+    /**
+     * For the given array of entities, Prepare the models to be shown in search result
+     * output. This sets a series of additional attributes.
+     *
+     * @param Entity[] $results
+     */
+    public function format(array $results, SearchOptions $options): void
+    {
+        foreach ($results as $result) {
+            $this->setSearchPreview($result, $options);
+        }
+    }
+
+    /**
+     * Update the given entity model to set attributes used for previews of the item
+     * primarily within search result lists.
+     */
+    protected function setSearchPreview(Entity $entity, SearchOptions $options)
+    {
+        $textProperty = $entity->textField;
+        $textContent = $entity->$textProperty;
+        $terms = array_merge($options->exacts, $options->searches);
+
+        $originalContentByNewAttribute = [
+            'preview_name'    => $entity->name,
+            'preview_content' => $textContent,
+        ];
+
+        foreach ($originalContentByNewAttribute as $attributeName => $content) {
+            $targetLength = ($attributeName === 'preview_name') ? 0 : 260;
+            $matchRefs = $this->getMatchPositions($content, $terms);
+            $mergedRefs = $this->sortAndMergeMatchPositions($matchRefs);
+            $formatted = $this->formatTextUsingMatchPositions($mergedRefs, $content, $targetLength);
+            $entity->setAttribute($attributeName, new HtmlString($formatted));
+        }
+
+        $tags = $entity->relationLoaded('tags') ? $entity->tags->all() : [];
+        $this->highlightTagsContainingTerms($tags, $terms);
+    }
+
+    /**
+     * Highlight tags which match the given terms.
+     *
+     * @param Tag[]    $tags
+     * @param string[] $terms
+     */
+    protected function highlightTagsContainingTerms(array $tags, array $terms): void
+    {
+        foreach ($tags as $tag) {
+            $tagName = mb_strtolower($tag->name);
+            $tagValue = mb_strtolower($tag->value);
+
+            foreach ($terms as $term) {
+                $termLower = mb_strtolower($term);
+
+                if (mb_strpos($tagName, $termLower) !== false) {
+                    $tag->setAttribute('highlight_name', true);
+                }
+
+                if (mb_strpos($tagValue, $termLower) !== false) {
+                    $tag->setAttribute('highlight_value', true);
+                }
+            }
+        }
+    }
+
+    /**
+     * Get positions of the given terms within the given text.
+     * Is in the array format of [int $startIndex => int $endIndex] where the indexes
+     * are positions within the provided text.
+     *
+     * @return array<int, int>
+     */
+    protected function getMatchPositions(string $text, array $terms): array
+    {
+        $matchRefs = [];
+        $text = mb_strtolower($text);
+
+        foreach ($terms as $term) {
+            $offset = 0;
+            $term = mb_strtolower($term);
+            $pos = mb_strpos($text, $term, $offset);
+            while ($pos !== false) {
+                $end = $pos + mb_strlen($term);
+                $matchRefs[$pos] = $end;
+                $offset = $end;
+                $pos = mb_strpos($text, $term, $offset);
+            }
+        }
+
+        return $matchRefs;
+    }
+
+    /**
+     * Sort the given match positions before merging them where they're
+     * adjacent or where they overlap.
+     *
+     * @param array<int, int> $matchPositions
+     *
+     * @return array<int, int>
+     */
+    protected function sortAndMergeMatchPositions(array $matchPositions): array
+    {
+        ksort($matchPositions);
+        $mergedRefs = [];
+        $lastStart = 0;
+        $lastEnd = 0;
+
+        foreach ($matchPositions as $start => $end) {
+            if ($start > $lastEnd) {
+                $mergedRefs[$start] = $end;
+                $lastStart = $start;
+                $lastEnd = $end;
+            } elseif ($end > $lastEnd) {
+                $mergedRefs[$lastStart] = $end;
+                $lastEnd = $end;
+            }
+        }
+
+        return $mergedRefs;
+    }
+
+    /**
+     * Format the given original text, returning a version where terms are highlighted within.
+     * Returned content is in HTML text format.
+     * A given $targetLength of 0 asserts no target length limit.
+     *
+     * This is a complex function but written to be relatively efficient, going through the term matches in order
+     * so that we're only doing a one-time loop through of the matches. There is no further searching
+     * done within here.
+     */
+    protected function formatTextUsingMatchPositions(array $matchPositions, string $originalText, int $targetLength): string
+    {
+        $maxEnd = mb_strlen($originalText);
+        $fetchAll = ($targetLength === 0);
+        $contextLength = ($fetchAll ? 0 : 32);
+
+        $firstStart = null;
+        $lastEnd = 0;
+        $content = '';
+        $contentTextLength = 0;
+
+        if ($fetchAll) {
+            $targetLength = $maxEnd * 2;
+        }
+
+        foreach ($matchPositions as $start => $end) {
+            // Get our outer text ranges for the added context we want to show upon the result.
+            $contextStart = max($start - $contextLength, 0, $lastEnd);
+            $contextEnd = min($end + $contextLength, $maxEnd);
+
+            // Adjust the start if we're going to be touching the previous match.
+            $startDiff = $start - $lastEnd;
+            if ($startDiff < 0) {
+                $contextStart = $start;
+                // Trims off '$startDiff' number of characters to bring it back to the start
+                // if this current match zone.
+                $content = mb_substr($content, 0, mb_strlen($content) + $startDiff);
+                $contentTextLength += $startDiff;
+            }
+
+            // Add ellipsis between results
+            if (!$fetchAll && $contextStart !== 0 && $contextStart !== $start) {
+                $content .= ' ...';
+                $contentTextLength += 4;
+            } elseif ($fetchAll) {
+                // Or fill in gap since the previous match
+                $fillLength = $contextStart - $lastEnd;
+                $content .= e(mb_substr($originalText, $lastEnd, $fillLength));
+                $contentTextLength += $fillLength;
+            }
+
+            // Add our content including the bolded matching text
+            $content .= e(mb_substr($originalText, $contextStart, $start - $contextStart));
+            $contentTextLength += $start - $contextStart;
+            $content .= '<strong>' . e(mb_substr($originalText, $start, $end - $start)) . '</strong>';
+            $contentTextLength += $end - $start;
+            $content .= e(mb_substr($originalText, $end, $contextEnd - $end));
+            $contentTextLength += $contextEnd - $end;
+
+            // Update our last end position
+            $lastEnd = $contextEnd;
+
+            // Update the first start position if it's not already been set
+            if (is_null($firstStart)) {
+                $firstStart = $contextStart;
+            }
+
+            // Stop if we're near our target
+            if ($contentTextLength >= $targetLength - 10) {
+                break;
+            }
+        }
+
+        // Just copy out the content if we haven't moved along anywhere.
+        if ($lastEnd === 0) {
+            $content = e(mb_substr($originalText, 0, $targetLength));
+            $contentTextLength = $targetLength;
+            $lastEnd = $targetLength;
+        }
+
+        // Pad out the end if we're low
+        $remainder = $targetLength - $contentTextLength;
+        if ($remainder > 10) {
+            $padEndLength = min($maxEnd - $lastEnd, $remainder);
+            $content .= e(mb_substr($originalText, $lastEnd, $padEndLength));
+            $lastEnd += $padEndLength;
+            $contentTextLength += $padEndLength;
+        }
+
+        // Pad out the start if we're still low
+        $remainder = $targetLength - $contentTextLength;
+        $firstStart = $firstStart ?: 0;
+        if (!$fetchAll && $remainder > 10 && $firstStart !== 0) {
+            $padStart = max(0, $firstStart - $remainder);
+            $content = ($padStart === 0 ? '' : '...') . e(mb_substr($originalText, $padStart, $firstStart - $padStart)) . mb_substr($content, 4);
+        }
+
+        // Add ellipsis if we're not at the end
+        if ($lastEnd < $maxEnd) {
+            $content .= '...';
+        }
+
+        return $content;
+    }
+}

app/Entities/Tools/SearchRunner.php

@@ -5,13 +5,19 @@ namespace BookStack\Entities\Tools;
 use BookStack\Auth\Permissions\PermissionService;
 use BookStack\Auth\User;
 use BookStack\Entities\EntityProvider;
+use BookStack\Entities\Models\BookChild;
 use BookStack\Entities\Models\Entity;
+use BookStack\Entities\Models\Page;
+use BookStack\Entities\Models\SearchTerm;
 use Illuminate\Database\Connection;
 use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
+use Illuminate\Database\Eloquent\Collection as EloquentCollection;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Query\Builder;
-use Illuminate\Database\Query\JoinClause;
 use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Str;
+use SplObjectStorage;
 
 class SearchRunner
 {
@@ -20,11 +26,6 @@ class SearchRunner
      */
     protected $entityProvider;
 
-    /**
-     * @var Connection
-     */
-    protected $db;
-
     /**
      * @var PermissionService
      */
@@ -37,17 +38,27 @@ class SearchRunner
      */
     protected $queryOperators = ['<=', '>=', '=', '<', '>', 'like', '!='];
 
-    public function __construct(EntityProvider $entityProvider, Connection $db, PermissionService $permissionService)
+    /**
+     * Retain a cache of score adjusted terms for specific search options.
+     * From PHP>=8 this can be made into a WeakMap instead.
+     *
+     * @var SplObjectStorage
+     */
+    protected $termAdjustmentCache;
+
+    public function __construct(EntityProvider $entityProvider, PermissionService $permissionService)
     {
         $this->entityProvider = $entityProvider;
-        $this->db = $db;
         $this->permissionService = $permissionService;
+        $this->termAdjustmentCache = new SplObjectStorage();
     }
 
     /**
      * Search all entities in the system.
      * The provided count is for each entity to search,
-     * Total returned could can be larger and not guaranteed.
+     * Total returned could be larger and not guaranteed.
+     *
+     * @return array{total: int, count: int, has_more: bool, results: Entity[]}
      */
     public function searchEntities(SearchOptions $searchOpts, string $entityType = 'all', int $page = 1, int $count = 20, string $action = 'view'): array
     {
@@ -68,13 +79,18 @@ class SearchRunner
             if (!in_array($entityType, $entityTypes)) {
                 continue;
             }
-            $search = $this->searchEntityTable($searchOpts, $entityType, $page, $count, $action);
-            $entityTotal = $this->searchEntityTable($searchOpts, $entityType, $page, $count, $action, true);
-            if ($entityTotal > $page * $count) {
+
+            $entityModelInstance = $this->entityProvider->get($entityType);
+            $searchQuery = $this->buildQuery($searchOpts, $entityModelInstance, $action);
+            $entityTotal = $searchQuery->count();
+            $searchResults = $this->getPageOfDataFromQuery($searchQuery, $entityModelInstance, $page, $count);
+
+            if ($entityTotal > ($page * $count)) {
                 $hasMore = true;
             }
+
             $total += $entityTotal;
-            $results = $results->merge($search);
+            $results = $results->merge($searchResults);
         }
 
         return [
@@ -99,7 +115,9 @@ class SearchRunner
             if (!in_array($entityType, $entityTypes)) {
                 continue;
             }
-            $search = $this->buildEntitySearchQuery($opts, $entityType)->where('book_id', '=', $bookId)->take(20)->get();
+
+            $entityModelInstance = $this->entityProvider->get($entityType);
+            $search = $this->buildQuery($opts, $entityModelInstance)->where('book_id', '=', $bookId)->take(20)->get();
             $results = $results->merge($search);
         }
 
@@ -112,78 +130,199 @@ class SearchRunner
     public function searchChapter(int $chapterId, string $searchString): Collection
     {
         $opts = SearchOptions::fromString($searchString);
-        $pages = $this->buildEntitySearchQuery($opts, 'page')->where('chapter_id', '=', $chapterId)->take(20)->get();
+        $entityModelInstance = $this->entityProvider->get('page');
+        $pages = $this->buildQuery($opts, $entityModelInstance)->where('chapter_id', '=', $chapterId)->take(20)->get();
 
         return $pages->sortByDesc('score');
     }
 
     /**
-     * Search across a particular entity type.
-     * Setting getCount = true will return the total
-     * matching instead of the items themselves.
-     *
-     * @return \Illuminate\Database\Eloquent\Collection|int|static[]
+     * Get a page of result data from the given query based on the provided page parameters.
      */
-    protected function searchEntityTable(SearchOptions $searchOpts, string $entityType = 'page', int $page = 1, int $count = 20, string $action = 'view', bool $getCount = false)
+    protected function getPageOfDataFromQuery(EloquentBuilder $query, Entity $entityModelInstance, int $page = 1, int $count = 20): EloquentCollection
     {
-        $query = $this->buildEntitySearchQuery($searchOpts, $entityType, $action);
-        if ($getCount) {
-            return $query->count();
+        $relations = ['tags'];
+
+        if ($entityModelInstance instanceof BookChild) {
+            $relations['book'] = function (BelongsTo $query) {
+                $query->scopes('visible');
+            };
         }
 
-        $query = $query->skip(($page - 1) * $count)->take($count);
+        if ($entityModelInstance instanceof Page) {
+            $relations['chapter'] = function (BelongsTo $query) {
+                $query->scopes('visible');
+            };
+        }
 
-        return $query->get();
+        return $query->clone()
+            ->with(array_filter($relations))
+            ->skip(($page - 1) * $count)
+            ->take($count)
+            ->get();
     }
 
     /**
      * Create a search query for an entity.
      */
-    protected function buildEntitySearchQuery(SearchOptions $searchOpts, string $entityType = 'page', string $action = 'view'): EloquentBuilder
+    protected function buildQuery(SearchOptions $searchOpts, Entity $entityModelInstance, string $action = 'view'): EloquentBuilder
     {
-        $entity = $this->entityProvider->get($entityType);
-        $entitySelect = $entity->newQuery();
+        $entityQuery = $entityModelInstance->newQuery();
+
+        if ($entityModelInstance instanceof Page) {
+            $entityQuery->select($entityModelInstance::$listAttributes);
+        } else {
+            $entityQuery->select(['*']);
+        }
 
         // Handle normal search terms
-        if (count($searchOpts->searches) > 0) {
-            $rawScoreSum = $this->db->raw('SUM(score) as score');
-            $subQuery = $this->db->table('search_terms')->select('entity_id', 'entity_type', $rawScoreSum);
-            $subQuery->where('entity_type', '=', $entity->getMorphClass());
-            $subQuery->where(function (Builder $query) use ($searchOpts) {
-                foreach ($searchOpts->searches as $inputTerm) {
-                    $query->orWhere('term', 'like', $inputTerm . '%');
-                }
-            })->groupBy('entity_type', 'entity_id');
-            $entitySelect->join($this->db->raw('(' . $subQuery->toSql() . ') as s'), function (JoinClause $join) {
-                $join->on('id', '=', 'entity_id');
-            })->addSelect($entity->getTable() . '.*')
-                ->selectRaw('s.score')
-                ->orderBy('score', 'desc');
-            $entitySelect->mergeBindings($subQuery);
-        }
+        $this->applyTermSearch($entityQuery, $searchOpts, $entityModelInstance);
 
         // Handle exact term matching
         foreach ($searchOpts->exacts as $inputTerm) {
-            $entitySelect->where(function (EloquentBuilder $query) use ($inputTerm, $entity) {
+            $entityQuery->where(function (EloquentBuilder $query) use ($inputTerm, $entityModelInstance) {
                 $query->where('name', 'like', '%' . $inputTerm . '%')
-                    ->orWhere($entity->textField, 'like', '%' . $inputTerm . '%');
+                    ->orWhere($entityModelInstance->textField, 'like', '%' . $inputTerm . '%');
             });
         }
 
         // Handle tag searches
         foreach ($searchOpts->tags as $inputTerm) {
-            $this->applyTagSearch($entitySelect, $inputTerm);
+            $this->applyTagSearch($entityQuery, $inputTerm);
         }
 
         // Handle filters
         foreach ($searchOpts->filters as $filterTerm => $filterValue) {
             $functionName = Str::camel('filter_' . $filterTerm);
             if (method_exists($this, $functionName)) {
-                $this->$functionName($entitySelect, $entity, $filterValue);
+                $this->$functionName($entityQuery, $entityModelInstance, $filterValue);
             }
         }
 
-        return $this->permissionService->enforceEntityRestrictions($entity, $entitySelect, $action);
+        return $this->permissionService->enforceEntityRestrictions($entityModelInstance, $entityQuery, $action);
+    }
+
+    /**
+     * For the given search query, apply the queries for handling the regular search terms.
+     */
+    protected function applyTermSearch(EloquentBuilder $entityQuery, SearchOptions $options, Entity $entity): void
+    {
+        $terms = $options->searches;
+        if (count($terms) === 0) {
+            return;
+        }
+
+        $scoredTerms = $this->getTermAdjustments($options);
+        $scoreSelect = $this->selectForScoredTerms($scoredTerms);
+
+        $subQuery = DB::table('search_terms')->select([
+            'entity_id',
+            'entity_type',
+            DB::raw($scoreSelect['statement']),
+        ]);
+
+        $subQuery->addBinding($scoreSelect['bindings'], 'select');
+
+        $subQuery->where('entity_type', '=', $entity->getMorphClass());
+        $subQuery->where(function (Builder $query) use ($terms) {
+            foreach ($terms as $inputTerm) {
+                $query->orWhere('term', 'like', $inputTerm . '%');
+            }
+        });
+        $subQuery->groupBy('entity_type', 'entity_id');
+
+        $entityQuery->joinSub($subQuery, 's', 'id', '=', 'entity_id');
+        $entityQuery->addSelect('s.score');
+        $entityQuery->orderBy('score', 'desc');
+    }
+
+    /**
+     * Create a select statement, with prepared bindings, for the given
+     * set of scored search terms.
+     *
+     * @param array<string, float> $scoredTerms
+     *
+     * @return array{statement: string, bindings: string[]}
+     */
+    protected function selectForScoredTerms(array $scoredTerms): array
+    {
+        // Within this we walk backwards to create the chain of 'if' statements
+        // so that each previous statement is used in the 'else' condition of
+        // the next (earlier) to be built. We start at '0' to have no score
+        // on no match (Should never actually get to this case).
+        $ifChain = '0';
+        $bindings = [];
+        foreach ($scoredTerms as $term => $score) {
+            $ifChain = 'IF(term like ?, score * ' . (float) $score . ', ' . $ifChain . ')';
+            $bindings[] = $term . '%';
+        }
+
+        return [
+            'statement' => 'SUM(' . $ifChain . ') as score',
+            'bindings'  => array_reverse($bindings),
+        ];
+    }
+
+    /**
+     * For the terms in the given search options, query their popularity across all
+     * search terms then provide that back as score adjustment multiplier applicable
+     * for their rarity. Returns an array of float multipliers, keyed by term.
+     *
+     * @return array<string, float>
+     */
+    protected function getTermAdjustments(SearchOptions $options): array
+    {
+        if (isset($this->termAdjustmentCache[$options])) {
+            return $this->termAdjustmentCache[$options];
+        }
+
+        $termQuery = SearchTerm::query()->toBase();
+        $whenStatements = [];
+        $whenBindings = [];
+
+        foreach ($options->searches as $term) {
+            $whenStatements[] = 'WHEN term LIKE ? THEN ?';
+            $whenBindings[] = $term . '%';
+            $whenBindings[] = $term;
+
+            $termQuery->orWhere('term', 'like', $term . '%');
+        }
+
+        $case = 'CASE ' . implode(' ', $whenStatements) . ' END';
+        $termQuery->selectRaw($case . ' as term', $whenBindings);
+        $termQuery->selectRaw('COUNT(*) as count');
+        $termQuery->groupByRaw($case, $whenBindings);
+
+        $termCounts = $termQuery->pluck('count', 'term')->toArray();
+        $adjusted = $this->rawTermCountsToAdjustments($termCounts);
+
+        $this->termAdjustmentCache[$options] = $adjusted;
+
+        return $this->termAdjustmentCache[$options];
+    }
+
+    /**
+     * Convert counts of terms into a relative-count normalised multiplier.
+     *
+     * @param array<string, int> $termCounts
+     *
+     * @return array<string, int>
+     */
+    protected function rawTermCountsToAdjustments(array $termCounts): array
+    {
+        if (empty($termCounts)) {
+            return [];
+        }
+
+        $multipliers = [];
+        $max = max(array_values($termCounts));
+
+        foreach ($termCounts as $term => $count) {
+            $percent = round($count / $max, 5);
+            $multipliers[$term] = 1.3 - $percent;
+        }
+
+        return $multipliers;
     }
 
     /**
@@ -196,7 +335,7 @@ class SearchRunner
             $escapedOperators[] = preg_quote($operator);
         }
 
-        return join('|', $escapedOperators);
+        return implode('|', $escapedOperators);
     }
 
     /**
@@ -218,7 +357,9 @@ class SearchRunner
                     // 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), "'");
+                    /** @var Connection $connection */
+                    $connection = $query->getConnection();
+                    $tagValue = (float) trim($connection->getPdo()->quote($tagValue), "'");
                     $query->whereRaw("value ${tagOperator} ${tagValue}");
                 } else {
                     $query->where('value', $tagOperator, $tagValue);
@@ -234,44 +375,40 @@ class SearchRunner
     /**
      * Custom entity search filters.
      */
-    protected function filterUpdatedAfter(EloquentBuilder $query, Entity $model, $input)
+    protected function filterUpdatedAfter(EloquentBuilder $query, Entity $model, $input): void
     {
         try {
             $date = date_create($input);
+            $query->where('updated_at', '>=', $date);
         } catch (\Exception $e) {
-            return;
         }
-        $query->where('updated_at', '>=', $date);
     }
 
-    protected function filterUpdatedBefore(EloquentBuilder $query, Entity $model, $input)
+    protected function filterUpdatedBefore(EloquentBuilder $query, Entity $model, $input): void
     {
         try {
             $date = date_create($input);
+            $query->where('updated_at', '<', $date);
         } catch (\Exception $e) {
-            return;
         }
-        $query->where('updated_at', '<', $date);
     }
 
-    protected function filterCreatedAfter(EloquentBuilder $query, Entity $model, $input)
+    protected function filterCreatedAfter(EloquentBuilder $query, Entity $model, $input): void
     {
         try {
             $date = date_create($input);
+            $query->where('created_at', '>=', $date);
         } catch (\Exception $e) {
-            return;
         }
-        $query->where('created_at', '>=', $date);
     }
 
     protected function filterCreatedBefore(EloquentBuilder $query, Entity $model, $input)
     {
         try {
             $date = date_create($input);
+            $query->where('created_at', '<', $date);
         } catch (\Exception $e) {
-            return;
         }
-        $query->where('created_at', '<', $date);
     }
 
     protected function filterCreatedBy(EloquentBuilder $query, Entity $model, $input)
@@ -348,9 +485,9 @@ class SearchRunner
      */
     protected function sortByLastCommented(EloquentBuilder $query, Entity $model)
     {
-        $commentsTable = $this->db->getTablePrefix() . 'comments';
+        $commentsTable = 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');
+        $commentQuery = 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/Entities/Tools/SiblingFetcher.php

@@ -5,6 +5,8 @@ namespace BookStack\Entities\Tools;
 use BookStack\Entities\EntityProvider;
 use BookStack\Entities\Models\Book;
 use BookStack\Entities\Models\Bookshelf;
+use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Page;
 use Illuminate\Support\Collection;
 
 class SiblingFetcher
@@ -18,18 +20,18 @@ class SiblingFetcher
         $entities = [];
 
         // Page in chapter
-        if ($entity->isA('page') && $entity->chapter) {
+        if ($entity instanceof Page && $entity->chapter) {
             $entities = $entity->chapter->getVisiblePages();
         }
 
         // Page in book or chapter
-        if (($entity->isA('page') && !$entity->chapter) || $entity->isA('chapter')) {
+        if (($entity instanceof Page && !$entity->chapter) || $entity instanceof Chapter) {
             $entities = $entity->book->getDirectChildren();
         }
 
         // Book
         // Gets just the books in a shelf if shelf is in context
-        if ($entity->isA('book')) {
+        if ($entity instanceof Book) {
             $contextShelf = (new ShelfContext())->getContextualShelfForBook($entity);
             if ($contextShelf) {
                 $entities = $contextShelf->visibleBooks()->get();
@@ -38,8 +40,8 @@ class SiblingFetcher
             }
         }
 
-        // Shelve
-        if ($entity->isA('bookshelf')) {
+        // Shelf
+        if ($entity instanceof Bookshelf) {
             $entities = Bookshelf::visible()->get();
         }
 

app/Entities/Tools/SlugGenerator.php

@@ -4,13 +4,14 @@ namespace BookStack\Entities\Tools;
 
 use BookStack\Entities\Models\BookChild;
 use BookStack\Interfaces\Sluggable;
+use BookStack\Model;
 use Illuminate\Support\Str;
 
 class SlugGenerator
 {
     /**
      * Generate a fresh slug for the given entity.
-     * The slug will generated so it does not conflict within the same parent item.
+     * The slug will be generated so that it doesn't conflict within the same parent item.
      */
     public function generate(Sluggable $model): string
     {
@@ -38,6 +39,8 @@ class SlugGenerator
     /**
      * Check if a slug is already in-use for this
      * type of model within the same parent.
+     *
+     * @param Sluggable&Model $model
      */
     protected function slugInUse(string $slug, Sluggable $model): bool
     {

app/Entities/Tools/TrashCan.php

@@ -15,15 +15,19 @@ use BookStack\Facades\Activity;
 use BookStack\Uploads\AttachmentService;
 use BookStack\Uploads\ImageService;
 use Exception;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Carbon;
 
 class TrashCan
 {
     /**
      * Send a shelf to the recycle bin.
+     *
+     * @throws NotifyException
      */
     public function softDestroyShelf(Bookshelf $shelf)
     {
+        $this->ensureDeletable($shelf);
         Deletion::createForEntity($shelf);
         $shelf->delete();
     }
@@ -35,6 +39,7 @@ class TrashCan
      */
     public function softDestroyBook(Book $book)
     {
+        $this->ensureDeletable($book);
         Deletion::createForEntity($book);
 
         foreach ($book->pages as $page) {
@@ -56,6 +61,7 @@ class TrashCan
     public function softDestroyChapter(Chapter $chapter, bool $recordDelete = true)
     {
         if ($recordDelete) {
+            $this->ensureDeletable($chapter);
             Deletion::createForEntity($chapter);
         }
 
@@ -76,19 +82,47 @@ class TrashCan
     public function softDestroyPage(Page $page, bool $recordDelete = true)
     {
         if ($recordDelete) {
+            $this->ensureDeletable($page);
             Deletion::createForEntity($page);
         }
 
-        // Check if set as custom homepage & remove setting if not used or throw error if active
-        $customHome = setting('app-homepage', '0:');
-        if (intval($page->id) === intval(explode(':', $customHome)[0])) {
-            if (setting('app-homepage-type') === 'page') {
-                throw new NotifyException(trans('errors.page_custom_home_deletion'), $page->getUrl());
+        $page->delete();
+    }
+
+    /**
+     * Ensure the given entity is deletable.
+     * Is not for permissions, but logical conditions within the application.
+     * Will throw if not deletable.
+     *
+     * @throws NotifyException
+     */
+    protected function ensureDeletable(Entity $entity): void
+    {
+        $customHomeId = intval(explode(':', setting('app-homepage', '0:'))[0]);
+        $customHomeActive = setting('app-homepage-type') === 'page';
+        $removeCustomHome = false;
+
+        // Check custom homepage usage for pages
+        if ($entity instanceof Page && $entity->id === $customHomeId) {
+            if ($customHomeActive) {
+                throw new NotifyException(trans('errors.page_custom_home_deletion'), $entity->getUrl());
             }
-            setting()->remove('app-homepage');
+            $removeCustomHome = true;
         }
 
-        $page->delete();
+        // Check custom homepage usage within chapters or books
+        if ($entity instanceof Chapter || $entity instanceof Book) {
+            if ($entity->pages()->where('id', '=', $customHomeId)->exists()) {
+                if ($customHomeActive) {
+                    throw new NotifyException(trans('errors.page_custom_home_deletion'), $entity->getUrl());
+                }
+                $removeCustomHome = true;
+            }
+        }
+
+        if ($removeCustomHome) {
+            setting()->remove('app-homepage');
+        }
     }
 
     /**
@@ -141,11 +175,9 @@ class TrashCan
     {
         $count = 0;
         $pages = $chapter->pages()->withTrashed()->get();
-        if (count($pages)) {
-            foreach ($pages as $page) {
-                $this->destroyPage($page);
-                $count++;
-            }
+        foreach ($pages as $page) {
+            $this->destroyPage($page);
+            $count++;
         }
 
         $this->destroyCommonRelations($chapter);
@@ -183,9 +215,10 @@ class TrashCan
     {
         $counts = [];
 
-        /** @var Entity $instance */
         foreach ((new EntityProvider())->all() as $key => $instance) {
-            $counts[$key] = $instance->newQuery()->onlyTrashed()->count();
+            /** @var Builder<Entity> $query */
+            $query = $instance->newQuery();
+            $counts[$key] = $query->onlyTrashed()->count();
         }
 
         return $counts;
@@ -235,13 +268,15 @@ class TrashCan
     {
         $shouldRestore = true;
         $restoreCount = 0;
-        $parent = $deletion->deletable->getParent();
 
-        if ($parent && $parent->trashed()) {
-            $shouldRestore = false;
+        if ($deletion->deletable instanceof Entity) {
+            $parent = $deletion->deletable->getParent();
+            if ($parent && $parent->trashed()) {
+                $shouldRestore = false;
+            }
         }
 
-        if ($shouldRestore) {
+        if ($deletion->deletable instanceof Entity && $shouldRestore) {
             $restoreCount = $this->restoreEntity($deletion->deletable);
         }
 
@@ -323,6 +358,8 @@ class TrashCan
         if ($entity instanceof Bookshelf) {
             return $this->destroyShelf($entity);
         }
+
+        return 0;
     }
 
     /**
@@ -340,9 +377,9 @@ class TrashCan
         $entity->deletions()->delete();
         $entity->favourites()->delete();
 
-        if ($entity instanceof HasCoverImage && $entity->cover) {
+        if ($entity instanceof HasCoverImage && $entity->cover()->exists()) {
             $imageService = app()->make(ImageService::class);
-            $imageService->destroy($entity->cover);
+            $imageService->destroy($entity->cover()->first());
         }
     }
 }

app/Exceptions/Handler.php

@@ -4,11 +4,13 @@ namespace BookStack\Exceptions;
 
 use Exception;
 use Illuminate\Auth\AuthenticationException;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Validation\ValidationException;
 use Symfony\Component\HttpKernel\Exception\HttpException;
+use Throwable;
 
 class Handler extends ExceptionHandler
 {
@@ -27,6 +29,7 @@ class Handler extends ExceptionHandler
      * @var array
      */
     protected $dontFlash = [
+        'current_password',
         'password',
         'password_confirmation',
     ];
@@ -34,13 +37,13 @@ class Handler extends ExceptionHandler
     /**
      * Report or log an exception.
      *
-     * @param Exception $exception
+     * @param \Throwable $exception
      *
-     * @throws Exception
+     * @throws \Throwable
      *
      * @return void
      */
-    public function report(Exception $exception)
+    public function report(Throwable $exception)
     {
         parent::report($exception);
     }
@@ -53,7 +56,7 @@ class Handler extends ExceptionHandler
      *
      * @return \Illuminate\Http\Response
      */
-    public function render($request, Exception $e)
+    public function render($request, Throwable $e)
     {
         if ($this->isApiRequest($request)) {
             return $this->renderApiException($e);
@@ -73,15 +76,20 @@ class Handler extends ExceptionHandler
     /**
      * Render an exception when the API is in use.
      */
-    protected function renderApiException(Exception $e): JsonResponse
+    protected function renderApiException(Throwable $e): JsonResponse
     {
-        $code = $e->getCode() === 0 ? 500 : $e->getCode();
+        $code = 500;
         $headers = [];
+
         if ($e instanceof HttpException) {
             $code = $e->getStatusCode();
             $headers = $e->getHeaders();
         }
 
+        if ($e instanceof ModelNotFoundException) {
+            $code = 404;
+        }
+
         $responseData = [
             'error' => [
                 'message' => $e->getMessage(),
@@ -93,6 +101,10 @@ class Handler extends ExceptionHandler
             $code = $e->status;
         }
 
+        if (method_exists($e, 'getStatus')) {
+            $code = $e->getStatus();
+        }
+
         $responseData['error']['code'] = $code;
 
         return new JsonResponse($responseData, $code, $headers);

app/Exceptions/JsonDebugException.php

@@ -3,23 +3,25 @@
 namespace BookStack\Exceptions;
 
 use Exception;
+use Illuminate\Http\JsonResponse;
 
 class JsonDebugException extends Exception
 {
-    protected $data;
+    protected array $data;
 
     /**
      * JsonDebugException constructor.
      */
-    public function __construct($data)
+    public function __construct(array $data)
     {
         $this->data = $data;
+        parent::__construct();
     }
 
     /**
      * Covert this exception into a response.
      */
-    public function render()
+    public function render(): JsonResponse
     {
         return response()->json($this->data);
     }

app/Exceptions/NotifyException.php

@@ -9,26 +9,38 @@ class NotifyException extends Exception implements Responsable
 {
     public $message;
     public $redirectLocation;
+    protected $status;
 
-    /**
-     * NotifyException constructor.
-     */
-    public function __construct(string $message, string $redirectLocation = '/')
+    public function __construct(string $message, string $redirectLocation = '/', int $status = 500)
     {
         $this->message = $message;
         $this->redirectLocation = $redirectLocation;
+        $this->status = $status;
         parent::__construct();
     }
 
+    /**
+     * Get the desired status code for this exception.
+     */
+    public function getStatus(): int
+    {
+        return $this->status;
+    }
+
     /**
      * Send the response for this type of exception.
      *
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function toResponse($request)
     {
         $message = $this->getMessage();
 
+        // Front-end JSON handling. API-side handling managed via handler.
+        if ($request->wantsJson()) {
+            return response()->json(['error' => $message], 403);
+        }
+
         if (!empty($message)) {
             session()->flash('error', $message);
         }

app/Exceptions/OpenIdConnectException.php

@@ -1,7 +0,0 @@
-<?php
-
-namespace BookStack\Exceptions;
-
-class OpenIdConnectException extends NotifyException
-{
-}

app/Exceptions/PrettyException.php

@@ -20,7 +20,7 @@ class PrettyException extends Exception implements Responsable
     /**
      * Render a response for when this exception occurs.
      *
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function toResponse($request)
     {

app/Exceptions/SortOperationException.php

@@ -1,9 +0,0 @@
-<?php
-
-namespace BookStack\Exceptions;
-
-use Exception;
-
-class SortOperationException extends Exception
-{
-}

app/Exceptions/StoppedAuthenticationException.php

@@ -23,7 +23,7 @@ class StoppedAuthenticationException extends \Exception implements Responsable
     }
 
     /**
-     * @inheritdoc
+     * {@inheritdoc}
      */
     public function toResponse($request)
     {

app/Facades/Activity.php

@@ -4,6 +4,9 @@ namespace BookStack\Facades;
 
 use Illuminate\Support\Facades\Facade;
 
+/**
+ * @see \BookStack\Actions\ActivityLogger
+ */
 class Activity extends Facade
 {
     /**