Updated version and assets for release v22.06.1

For #3529

.env.example.complete

@@ -42,7 +42,7 @@ APP_TIMEZONE=UTC
 # overrides can be made. Defaults to disabled.
 APP_THEME=false
 
-# Trusted Proxies
+# Trusted proxies
 # Used to indicate trust of systems that proxy to the application so
 # certain header values (Such as "X-Forwarded-For") can be used from the
 # incoming proxy request to provide origin detail.
@@ -58,6 +58,13 @@ DB_DATABASE=database_database
 DB_USERNAME=database_username
 DB_PASSWORD=database_user_password
 
+# MySQL specific connection options
+# Path to Certificate Authority (CA) certificate file for your MySQL instance.
+# When this option is used host name identity verification will be performed
+# which checks the hostname, used by the client, against names within the
+# certificate itself (Common Name or Subject Alternative Name).
+MYSQL_ATTR_SSL_CA="/path/to/ca.pem"
+
 # Mail system to use
 # Can be 'smtp' or 'sendmail'
 MAIL_DRIVER=smtp
@@ -136,6 +143,10 @@ STORAGE_URL=false
 # Can be 'standard', 'ldap', 'saml2' or 'oidc'
 AUTH_METHOD=standard
 
+# Automatically initiate login via external auth system if it's the only auth method.
+# Works with saml2 or oidc auth methods.
+AUTH_AUTO_INITIATE=false
+
 # Social authentication configuration
 # All disabled by default.
 # Refer to https://www.bookstackapp.com/docs/admin/third-party-auth/
@@ -216,6 +227,7 @@ LDAP_DUMP_USER_DETAILS=false
 LDAP_USER_TO_GROUPS=false
 LDAP_GROUP_ATTRIBUTE="memberOf"
 LDAP_REMOVE_FROM_GROUPS=false
+LDAP_DUMP_USER_GROUPS=false
 
 # SAML authentication configuration
 # Refer to https://www.bookstackapp.com/docs/admin/saml2-auth/
@@ -266,7 +278,7 @@ AVATAR_URL=
 # Enable diagrams.net integration
 # Can simply be true/false to enable/disable the integration.
 # Alternatively, It can be URL to the diagrams.net instance you want to use.
-# For URLs, The following URL parameters should be included: embed=1&proto=json&spin=1
+# For URLs, The following URL parameters should be included: embed=1&proto=json&spin=1&configure=1
 DRAWIO=true
 
 # Default item listing view
@@ -324,6 +336,13 @@ ALLOW_UNTRUSTED_SERVER_FETCHING=false
 # Setting this option will also auto-adjust cookies to be SameSite=None.
 ALLOWED_IFRAME_HOSTS=null
 
+# A list of sources/hostnames that can be loaded within iframes within BookStack.
+# Space separated if multiple. BookStack host domain is auto-inferred.
+# Can be set to a lone "*" to allow all sources for iframe content (Not advised).
+# Defaults to a set of common services.
+# Current host and source for the "DRAWIO" setting will be auto-appended to the sources configured.
+ALLOWED_IFRAME_SOURCES="https://*.draw.io https://*.youtube.com https://*.youtube-nocookie.com https://*.vimeo.com"
+
 # The default and maximum item-counts for listing API requests.
 API_DEFAULT_ITEM_COUNT=100
 API_MAX_ITEM_COUNT=500

.github/FUNDING.yml

@@ -1,3 +1,4 @@
 # These are supported funding model platforms
 
 github: [ssddanbrown]
+ko_fi: ssddanbrown

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -35,6 +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/config.yml

@@ -1,9 +1,13 @@
 blank_issues_enabled: false
 contact_links:
-  - name: Discord chat support
+  - name: Discord Chat Support
     url: https://discord.gg/ztkBqR2
-    about: Realtime support / chat with the community and the team.
+    about: Realtime support & chat with the BookStack community and the team.
 
   - name: Debugging & Common Issues
     url: https://www.bookstackapp.com/docs/admin/debugging/
-    about: Find details on how to debug issues and view common issues with thier resolutions.
+    about: Find details on how to debug issues and view common issues with their resolutions.
+
+  - name: Official Support Plans
+    url: https://www.bookstackapp.com/support/
+    about: View our official support plans that offer assured support for business.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -33,8 +33,7 @@ body:
     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.
+        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

.github/ISSUE_TEMPLATE/language_request.yml

@@ -1,5 +1,5 @@
 name: Language Request
-description: Request a new language to be added to CrowdIn for you to translate
+description: Request a new language to be added to Crowdin for you to translate
 labels: [":earth_africa: Translations"]
 assignees:
   - ssddanbrown
@@ -23,7 +23,7 @@ body:
         This issue template is to request a new language be added to our [Crowdin translation management project](https://crowdin.com/project/bookstack).
         Please don't use this template to request a new language that you are not prepared to provide translations for.
       options:
-        - label: I confirm I'm offering to help translate for this new language via CrowdIn.
+        - label: I confirm I'm offering to help translate for this new language via Crowdin.
           required: true
   - type: markdown
     attributes:

.github/translators.txt

@@ -165,7 +165,7 @@ Francesco Franchina (ffranchina) :: Italian
 Aimrane Kds (aimrane.kds) :: Arabic
 whenwesober :: Indonesian
 Rem (remkovdhoef) :: Dutch
-syn7ax69 :: Bulgarian; Turkish
+syn7ax69 :: Bulgarian; Turkish; German
 Blaade :: French
 Behzad HosseinPoor (behzad.hp) :: Persian
 Ole Aldric (Swoy) :: Norwegian Bokmal
@@ -230,3 +230,31 @@ roncallyt :: Portuguese, Brazilian
 goegol :: Dutch
 msevgen :: Turkish
 Khroners :: French
+MASOUD HOSSEINY (masoudme) :: Persian
+Thomerson Roncally (roncallyt) :: Portuguese, Brazilian
+metaarch :: Bulgarian
+Xabi (xabikip) :: Basque
+pedromcsousa :: Portuguese
+Nir Louk (looknear) :: Hebrew
+Alex (qianmengnet) :: Chinese Simplified
+stothew :: German
+sgenc :: Turkish
+Shukrullo (vodiylik) :: Uzbek
+William W. (Nevnt) :: Chinese Traditional
+eamaro :: Portuguese
+Ypsilon-dev :: Arabic
+Hieu Vuong Trung (vuongtrunghieu) :: Vietnamese
+David Clubb (davidoclubb) :: Welsh
+welles freire (wellesximenes) :: Portuguese, Brazilian
+Magnus Jensen (MagnusHJensen) :: Danish
+Hesley Magno (hesleymagno) :: Portuguese, Brazilian
+Éric Gaspar (erga) :: French
+Fr3shlama :: German
+DSR :: Spanish, Argentina
+Andrii Bodnar (andrii-bodnar) :: Ukrainian
+Younes el Anjri (younesea28) :: Dutch
+Guclu Ozturk (gucluoz) :: Turkish
+Atmis :: French
+redjack666 :: Chinese Traditional
+Ashita007 :: Russian
+lihaorr :: Chinese Simplified

app/Actions/ActivityType.php

@@ -16,11 +16,13 @@ class ActivityType
     const CHAPTER_MOVE = 'chapter_move';
 
     const BOOK_CREATE = 'book_create';
+    const BOOK_CREATE_FROM_CHAPTER = 'book_create_from_chapter';
     const BOOK_UPDATE = 'book_update';
     const BOOK_DELETE = 'book_delete';
     const BOOK_SORT = 'book_sort';
 
     const BOOKSHELF_CREATE = 'bookshelf_create';
+    const BOOKSHELF_CREATE_FROM_BOOK = 'bookshelf_create_from_book';
     const BOOKSHELF_UPDATE = 'bookshelf_update';
     const BOOKSHELF_DELETE = 'bookshelf_delete';
 

app/Actions/DispatchWebhookJob.php

@@ -3,17 +3,14 @@
 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;
 
@@ -24,31 +21,16 @@ class DispatchWebhookJob implements ShouldQueue
     use Queueable;
     use SerializesModels;
 
-    /**
-     * @var Webhook
-     */
-    protected $webhook;
-
-    /**
-     * @var string
-     */
-    protected $event;
+    protected Webhook $webhook;
+    protected string $event;
+    protected User $initiator;
+    protected int $initiatedTime;
 
     /**
      * @var string|Loggable
      */
     protected $detail;
 
-    /**
-     * @var User
-     */
-    protected $initiator;
-
-    /**
-     * @var int
-     */
-    protected $initiatedTime;
-
     /**
      * Create a new job instance.
      *
@@ -70,8 +52,8 @@ class DispatchWebhookJob implements ShouldQueue
      */
     public function handle()
     {
-        $themeResponse = Theme::dispatch(ThemeEvents::WEBHOOK_CALL_BEFORE, $this->event, $this->webhook, $this->detail);
-        $webhookData = $themeResponse ?? $this->buildWebhookData();
+        $themeResponse = Theme::dispatch(ThemeEvents::WEBHOOK_CALL_BEFORE, $this->event, $this->webhook, $this->detail, $this->initiator, $this->initiatedTime);
+        $webhookData = $themeResponse ?? WebhookFormatter::getDefault($this->event, $this->webhook, $this->detail, $this->initiator, $this->initiatedTime)->format();
         $lastError = null;
 
         try {
@@ -97,36 +79,4 @@ class DispatchWebhookJob implements ShouldQueue
 
         $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/TagRepo.php

@@ -28,10 +28,10 @@ class TagRepo
                 'name',
                 ($searchTerm || $nameFilter) ? 'value' : DB::raw('COUNT(distinct value) as `values`'),
                 DB::raw('COUNT(id) as usages'),
-                DB::raw('SUM(IF(entity_type = \'BookStack\\\\Page\', 1, 0)) as page_count'),
-                DB::raw('SUM(IF(entity_type = \'BookStack\\\\Chapter\', 1, 0)) as chapter_count'),
-                DB::raw('SUM(IF(entity_type = \'BookStack\\\\Book\', 1, 0)) as book_count'),
-                DB::raw('SUM(IF(entity_type = \'BookStack\\\\BookShelf\', 1, 0)) as shelf_count'),
+                DB::raw('SUM(IF(entity_type = \'page\', 1, 0)) as page_count'),
+                DB::raw('SUM(IF(entity_type = \'chapter\', 1, 0)) as chapter_count'),
+                DB::raw('SUM(IF(entity_type = \'book\', 1, 0)) as book_count'),
+                DB::raw('SUM(IF(entity_type = \'bookshelf\', 1, 0)) as shelf_count'),
             ])
             ->orderBy($nameFilter ? 'value' : 'name');
 

app/Actions/WebhookFormatter.php

@@ -0,0 +1,124 @@
+<?php
+
+namespace BookStack\Actions;
+
+use BookStack\Auth\User;
+use BookStack\Entities\Models\Entity;
+use BookStack\Entities\Models\Page;
+use BookStack\Interfaces\Loggable;
+use BookStack\Model;
+use Illuminate\Support\Carbon;
+
+class WebhookFormatter
+{
+    protected Webhook $webhook;
+    protected string $event;
+    protected User $initiator;
+    protected int $initiatedTime;
+
+    /**
+     * @var string|Loggable
+     */
+    protected $detail;
+
+    /**
+     * @var array{condition: callable(string, Model):bool, format: callable(Model):void}[]
+     */
+    protected $modelFormatters = [];
+
+    public function __construct(string $event, Webhook $webhook, $detail, User $initiator, int $initiatedTime)
+    {
+        $this->webhook = $webhook;
+        $this->event = $event;
+        $this->initiator = $initiator;
+        $this->initiatedTime = $initiatedTime;
+        $this->detail = is_object($detail) ? clone $detail : $detail;
+    }
+
+    public function format(): array
+    {
+        $data = [
+            'event'                    => $this->event,
+            'text'                     => $this->formatText(),
+            'triggered_at'             => Carbon::createFromTimestampUTC($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->formatModel();
+        }
+
+        return $data;
+    }
+
+    /**
+     * @param callable(string, Model):bool $condition
+     * @param callable(Model):void         $format
+     */
+    public function addModelFormatter(callable $condition, callable $format): void
+    {
+        $this->modelFormatters[] = [
+            'condition' => $condition,
+            'format'    => $format,
+        ];
+    }
+
+    public function addDefaultModelFormatters(): void
+    {
+        // Load entity owner, creator, updater details
+        $this->addModelFormatter(
+            fn ($event, $model) => ($model instanceof Entity),
+            fn ($model) => $model->load(['ownedBy', 'createdBy', 'updatedBy'])
+        );
+
+        // Load revision detail for page update and create events
+        $this->addModelFormatter(
+            fn ($event, $model) => ($model instanceof Page && ($event === ActivityType::PAGE_CREATE || $event === ActivityType::PAGE_UPDATE)),
+            fn ($model) => $model->load('currentRevision')
+        );
+    }
+
+    protected function formatModel(): array
+    {
+        /** @var Model $model */
+        $model = $this->detail;
+        $model->unsetRelations();
+
+        foreach ($this->modelFormatters as $formatter) {
+            if ($formatter['condition']($this->event, $model)) {
+                $formatter['format']($model);
+            }
+        }
+
+        return $model->toArray();
+    }
+
+    protected function formatText(): string
+    {
+        $textParts = [
+            $this->initiator->name,
+            trans('activities.' . $this->event),
+        ];
+
+        if ($this->detail instanceof Entity) {
+            $textParts[] = '"' . $this->detail->name . '"';
+        }
+
+        return implode(' ', $textParts);
+    }
+
+    public static function getDefault(string $event, Webhook $webhook, $detail, User $initiator, int $initiatedTime): self
+    {
+        $instance = new self($event, $webhook, $detail, $initiator, $initiatedTime);
+        $instance->addDefaultModelFormatters();
+
+        return $instance;
+    }
+}

app/Auth/Access/GroupSyncService.php

@@ -28,10 +28,8 @@ class GroupSyncService
      */
     protected function externalIdMatchesGroupNames(string $externalId, array $groupNames): bool
     {
-        $externalAuthIds = explode(',', strtolower($externalId));
-
-        foreach ($externalAuthIds as $externalAuthId) {
-            if (in_array(trim($externalAuthId), $groupNames)) {
+        foreach ($this->parseRoleExternalAuthId($externalId) as $externalAuthId) {
+            if (in_array($externalAuthId, $groupNames)) {
                 return true;
             }
         }
@@ -39,6 +37,18 @@ class GroupSyncService
         return false;
     }
 
+    protected function parseRoleExternalAuthId(string $externalId): array
+    {
+        $inputIds = preg_split('/(?<!\\\),/', $externalId);
+        $cleanIds = [];
+
+        foreach ($inputIds as $inputId) {
+            $cleanIds[] = str_replace('\,', ',', trim($inputId));
+        }
+
+        return $cleanIds;
+    }
+
     /**
      * Match an array of group names to BookStack system roles.
      * Formats group names to be lower-case and hyphenated.

app/Auth/Access/Guards/LdapSessionGuard.php

@@ -5,6 +5,7 @@ namespace BookStack\Auth\Access\Guards;
 use BookStack\Auth\Access\LdapService;
 use BookStack\Auth\Access\RegistrationService;
 use BookStack\Auth\User;
+use BookStack\Exceptions\JsonDebugException;
 use BookStack\Exceptions\LdapException;
 use BookStack\Exceptions\LoginAttemptEmailNeededException;
 use BookStack\Exceptions\LoginAttemptException;
@@ -15,7 +16,7 @@ use Illuminate\Support\Str;
 
 class LdapSessionGuard extends ExternalBaseSessionGuard
 {
-    protected $ldapService;
+    protected LdapService $ldapService;
 
     /**
      * LdapSessionGuard constructor.
@@ -59,8 +60,9 @@ class LdapSessionGuard extends ExternalBaseSessionGuard
      * @param array $credentials
      * @param bool  $remember
      *
+     * @throws LdapException*@throws \BookStack\Exceptions\JsonDebugException
      * @throws LoginAttemptException
-     * @throws LdapException
+     * @throws JsonDebugException
      *
      * @return bool
      */

app/Auth/Access/LdapService.php

@@ -15,12 +15,17 @@ use Illuminate\Support\Facades\Log;
  */
 class LdapService
 {
-    protected $ldap;
-    protected $groupSyncService;
+    protected Ldap $ldap;
+    protected GroupSyncService $groupSyncService;
+    protected UserAvatars $userAvatars;
+
+    /**
+     * @var resource
+     */
     protected $ldapConnection;
-    protected $userAvatars;
-    protected $config;
-    protected $enabled;
+
+    protected array $config;
+    protected bool $enabled;
 
     /**
      * LdapService constructor.
@@ -274,6 +279,7 @@ class LdapService
      * Get the groups a user is a part of on ldap.
      *
      * @throws LdapException
+     * @throws JsonDebugException
      */
     public function getUserGroups(string $userName): array
     {
@@ -285,8 +291,17 @@ class LdapService
         }
 
         $userGroups = $this->groupFilter($user);
+        $allGroups = $this->getGroupsRecursive($userGroups, []);
 
-        return $this->getGroupsRecursive($userGroups, []);
+        if ($this->config['dump_user_groups']) {
+            throw new JsonDebugException([
+                'details_from_ldap'             => $user,
+                'parsed_direct_user_groups'     => $userGroups,
+                'parsed_recursive_user_groups'  => $allGroups,
+            ]);
+        }
+
+        return $allGroups;
     }
 
     /**
@@ -369,6 +384,7 @@ class LdapService
      * Sync the LDAP groups to the user roles for the current user.
      *
      * @throws LdapException
+     * @throws JsonDebugException
      */
     public function syncGroups(User $user, string $username)
     {

app/Config/app.php

@@ -57,6 +57,13 @@ return [
     // Space separated if multiple. BookStack host domain is auto-inferred.
     'iframe_hosts' => env('ALLOWED_IFRAME_HOSTS', null),
 
+    // A list of sources/hostnames that can be loaded within iframes within BookStack.
+    // Space separated if multiple. BookStack host domain is auto-inferred.
+    // Can be set to a lone "*" to allow all sources for iframe content (Not advised).
+    // Defaults to a set of common services.
+    // Current host and source for the "DRAWIO" setting will be auto-appended to the sources configured.
+    'iframe_sources' => env('ALLOWED_IFRAME_SOURCES', 'https://*.draw.io https://*.youtube.com https://*.youtube-nocookie.com https://*.vimeo.com'),
+
     // Application timezone for back-end date functions.
     'timezone' => env('APP_TIMEZONE', 'UTC'),
 
@@ -64,7 +71,7 @@ return [
     'locale' => env('APP_LANG', 'en'),
 
     // Locales available
-    'locales' => ['en', 'ar', 'bg', 'bs', 'ca', 'cs', 'da', 'de', 'de_informal', 'es', 'es_AR', 'et', 'fa', 'fr', 'he', 'hr', 'hu', 'id', 'it', 'ja', 'ko', 'lt', 'lv', 'nl', 'nb', 'pt', 'pt_BR', 'sk', 'sl', 'sv', 'pl',  'ru', 'th', 'tr', 'uk', 'vi', 'zh_CN', 'zh_TW'],
+    'locales' => ['en', 'ar', 'bg', 'bs', 'ca', 'cs', 'cy', 'da', 'de', 'de_informal', 'es', 'es_AR', 'et', 'eu', 'fa', 'fr', 'he', 'hr', 'hu', 'id', 'it', 'ja', 'ko', 'lt', 'lv', 'nl', 'nb', 'pt', 'pt_BR', 'sk', 'sl', 'sv', 'pl',  'ru', 'th', 'tr', 'uk', 'uz', 'vi', 'zh_CN', 'zh_TW'],
 
     //  Application Fallback Locale
     'fallback_locale' => 'en',

app/Config/auth.php

@@ -13,6 +13,10 @@ return [
     // Options: standard, ldap, saml2, oidc
     'method' => env('AUTH_METHOD', 'standard'),
 
+    // Automatically initiate login via external auth system if it's the sole auth method.
+    // Works with saml2 or oidc auth methods.
+    'auto_initiate' => env('AUTH_AUTO_INITIATE', false),
+
     // Authentication Defaults
     // This option controls the default authentication "guard" and password
     // reset options for your application.

app/Config/services.php

@@ -119,6 +119,7 @@ return [
     'ldap' => [
         'server'                 => env('LDAP_SERVER', false),
         'dump_user_details'      => env('LDAP_DUMP_USER_DETAILS', false),
+        'dump_user_groups'       => env('LDAP_DUMP_USER_GROUPS', false),
         'dn'                     => env('LDAP_DN', false),
         'pass'                   => env('LDAP_PASS', false),
         'base_dn'                => env('LDAP_BASE_DN', false),

app/Config/session.php

@@ -72,7 +72,7 @@ return [
     // to the server if the browser has a HTTPS connection. This will keep
     // the cookie from being sent to you if it can not be done securely.
     'secure' => env('SESSION_SECURE_COOKIE', null)
-        ?? Str::startsWith(env('APP_URL'), 'https:'),
+        ?? Str::startsWith(env('APP_URL', ''), 'https:'),
 
     // HTTP Access Only
     // Setting this value to true will prevent JavaScript from accessing the

app/Entities/Models/Deletion.php

@@ -10,10 +10,16 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\MorphTo;
 
 /**
+ * @property int       $id
+ * @property int       $deleted_by
+ * @property string    $deletable_type
+ * @property int       $deletable_id
  * @property Deletable $deletable
  */
 class Deletion extends Model implements Loggable
 {
+    protected $hidden = [];
+
     /**
      * Get the related deletable record.
      */

app/Entities/Models/Page.php

@@ -10,19 +10,23 @@ use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 
 /**
  * Class Page.
  *
- * @property int        $chapter_id
- * @property string     $html
- * @property string     $markdown
- * @property string     $text
- * @property bool       $template
- * @property bool       $draft
- * @property int        $revision_count
- * @property Chapter    $chapter
- * @property Collection $attachments
+ * @property int          $chapter_id
+ * @property string       $html
+ * @property string       $markdown
+ * @property string       $text
+ * @property bool         $template
+ * @property bool         $draft
+ * @property int          $revision_count
+ * @property string       $editor
+ * @property Chapter      $chapter
+ * @property Collection   $attachments
+ * @property Collection   $revisions
+ * @property PageRevision $currentRevision
  */
 class Page extends BookChild
 {
@@ -82,6 +86,19 @@ class Page extends BookChild
             ->orderBy('id', 'desc');
     }
 
+    /**
+     * Get the current revision for the page if existing.
+     *
+     * @return PageRevision|null
+     */
+    public function currentRevision(): HasOne
+    {
+        return $this->hasOne(PageRevision::class)
+            ->where('type', '=', 'version')
+            ->orderBy('created_at', 'desc')
+            ->orderBy('id', 'desc');
+    }
+
     /**
      * Get all revision instances assigned to this page.
      * Includes all types of revisions.
@@ -117,16 +134,6 @@ class Page extends BookChild
         return url('/' . implode('/', $parts));
     }
 
-    /**
-     * Get the current revision for the page if existing.
-     *
-     * @return PageRevision|null
-     */
-    public function getCurrentRevision()
-    {
-        return $this->revisions()->first();
-    }
-
     /**
      * Get this page for JSON display.
      */

app/Entities/Models/PageRevision.php

@@ -10,7 +10,9 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 /**
  * Class PageRevision.
  *
+ * @property mixed  $id
  * @property int    $page_id
+ * @property string $name
  * @property string $slug
  * @property string $book_slug
  * @property int    $created_by
@@ -20,13 +22,15 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
  * @property string $summary
  * @property string $markdown
  * @property string $html
+ * @property string $text
  * @property int    $revision_number
  * @property Page   $page
  * @property-read ?User $createdBy
  */
 class PageRevision extends Model
 {
-    protected $fillable = ['name', 'html', 'text', 'markdown', 'summary'];
+    protected $fillable = ['name', 'text', 'summary'];
+    protected $hidden = ['html', 'markdown', 'restricted', 'text'];
 
     /**
      * Get the user that created the page revision.

app/Entities/Repos/BaseRepo.php

@@ -11,8 +11,8 @@ use Illuminate\Http\UploadedFile;
 
 class BaseRepo
 {
-    protected $tagRepo;
-    protected $imageRepo;
+    protected TagRepo $tagRepo;
+    protected ImageRepo $imageRepo;
 
     public function __construct(TagRepo $tagRepo, ImageRepo $imageRepo)
     {
@@ -58,6 +58,7 @@ class BaseRepo
 
         if (isset($input['tags'])) {
             $this->tagRepo->saveTagsToEntity($entity, $input['tags']);
+            $entity->touch();
         }
 
         $entity->rebuildPermissions();

app/Entities/Repos/BookRepo.php

@@ -91,6 +91,7 @@ class BookRepo
     {
         $book = new Book();
         $this->baseRepo->create($book, $input);
+        $this->baseRepo->updateCoverImage($book, $input['image'] ?? null);
         Activity::add(ActivityType::BOOK_CREATE, $book);
 
         return $book;
@@ -102,6 +103,11 @@ class BookRepo
     public function update(Book $book, array $input): Book
     {
         $this->baseRepo->update($book, $input);
+
+        if (array_key_exists('image', $input)) {
+            $this->baseRepo->updateCoverImage($book, $input['image'], $input['image'] === null);
+        }
+
         Activity::add(ActivityType::BOOK_UPDATE, $book);
 
         return $book;

app/Entities/Repos/BookshelfRepo.php

@@ -6,12 +6,10 @@ use BookStack\Actions\ActivityType;
 use BookStack\Entities\Models\Book;
 use BookStack\Entities\Models\Bookshelf;
 use BookStack\Entities\Tools\TrashCan;
-use BookStack\Exceptions\ImageUploadException;
 use BookStack\Exceptions\NotFoundException;
 use BookStack\Facades\Activity;
 use Exception;
 use Illuminate\Contracts\Pagination\LengthAwarePaginator;
-use Illuminate\Http\UploadedFile;
 use Illuminate\Support\Collection;
 
 class BookshelfRepo
@@ -89,6 +87,7 @@ class BookshelfRepo
     {
         $shelf = new Bookshelf();
         $this->baseRepo->create($shelf, $input);
+        $this->baseRepo->updateCoverImage($shelf, $input['image'] ?? null);
         $this->updateBooks($shelf, $bookIds);
         Activity::add(ActivityType::BOOKSHELF_CREATE, $shelf);
 
@@ -106,14 +105,17 @@ class BookshelfRepo
             $this->updateBooks($shelf, $bookIds);
         }
 
+        if (array_key_exists('image', $input)) {
+            $this->baseRepo->updateCoverImage($shelf, $input['image'], $input['image'] === null);
+        }
+
         Activity::add(ActivityType::BOOKSHELF_UPDATE, $shelf);
 
         return $shelf;
     }
 
     /**
-     * Update which books are assigned to this shelf by
-     * syncing the given book ids.
+     * Update which books are assigned to this shelf by syncing the given book ids.
      * Function ensures the books are visible to the current user and existing.
      */
     protected function updateBooks(Bookshelf $shelf, array $bookIds)
@@ -132,17 +134,6 @@ class BookshelfRepo
         $shelf->books()->sync($syncData);
     }
 
-    /**
-     * Update the given shelf cover image, or clear it.
-     *
-     * @throws ImageUploadException
-     * @throws Exception
-     */
-    public function updateCoverImage(Bookshelf $shelf, ?UploadedFile $coverImage, bool $removeImage = false)
-    {
-        $this->baseRepo->updateCoverImage($shelf, $coverImage, $removeImage);
-    }
-
     /**
      * Copy down the permissions of the given shelf to all child books.
      */

app/Entities/Repos/DeletionRepo.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace BookStack\Entities\Repos;
+
+use BookStack\Actions\ActivityType;
+use BookStack\Entities\Models\Deletion;
+use BookStack\Entities\Tools\TrashCan;
+use BookStack\Facades\Activity;
+
+class DeletionRepo
+{
+    private TrashCan $trashCan;
+
+    public function __construct(TrashCan $trashCan)
+    {
+        $this->trashCan = $trashCan;
+    }
+
+    public function restore(int $id): int
+    {
+        /** @var Deletion $deletion */
+        $deletion = Deletion::query()->findOrFail($id);
+        Activity::add(ActivityType::RECYCLE_BIN_RESTORE, $deletion);
+
+        return $this->trashCan->restoreFromDeletion($deletion);
+    }
+
+    public function destroy(int $id): int
+    {
+        /** @var Deletion $deletion */
+        $deletion = Deletion::query()->findOrFail($id);
+        Activity::add(ActivityType::RECYCLE_BIN_DESTROY, $deletion);
+
+        return $this->trashCan->destroyFromDeletion($deletion);
+    }
+}

app/Entities/Repos/PageRepo.php

@@ -10,6 +10,7 @@ use BookStack\Entities\Models\Page;
 use BookStack\Entities\Models\PageRevision;
 use BookStack\Entities\Tools\BookContents;
 use BookStack\Entities\Tools\PageContent;
+use BookStack\Entities\Tools\PageEditorData;
 use BookStack\Entities\Tools\TrashCan;
 use BookStack\Exceptions\MoveOperationException;
 use BookStack\Exceptions\NotFoundException;
@@ -217,11 +218,25 @@ class PageRepo
         }
 
         $pageContent = new PageContent($page);
-        if (!empty($input['markdown'] ?? '')) {
+        $currentEditor = $page->editor ?: PageEditorData::getSystemDefaultEditor();
+        $newEditor = $currentEditor;
+
+        $haveInput = isset($input['markdown']) || isset($input['html']);
+        $inputEmpty = empty($input['markdown']) && empty($input['html']);
+
+        if ($haveInput && $inputEmpty) {
+            $pageContent->setNewHTML('');
+        } elseif (!empty($input['markdown']) && is_string($input['markdown'])) {
+            $newEditor = 'markdown';
             $pageContent->setNewMarkdown($input['markdown']);
         } elseif (isset($input['html'])) {
+            $newEditor = 'wysiwyg';
             $pageContent->setNewHTML($input['html']);
         }
+
+        if ($newEditor !== $currentEditor && userCan('editor-change')) {
+            $page->editor = $newEditor;
+        }
     }
 
     /**
@@ -229,8 +244,12 @@ class PageRepo
      */
     protected function savePageRevision(Page $page, string $summary = null): PageRevision
     {
-        $revision = new PageRevision($page->getAttributes());
+        $revision = new PageRevision();
 
+        $revision->name = $page->name;
+        $revision->html = $page->html;
+        $revision->markdown = $page->markdown;
+        $revision->text = $page->text;
         $revision->page_id = $page->id;
         $revision->slug = $page->slug;
         $revision->book_slug = $page->book->slug;
@@ -260,10 +279,15 @@ class PageRepo
             return $page;
         }
 
-        // Otherwise save the data to a revision
+        // Otherwise, save the data to a revision
         $draft = $this->getPageRevisionToUpdate($page);
         $draft->fill($input);
-        if (setting('app-editor') !== 'markdown') {
+
+        if (!empty($input['markdown'])) {
+            $draft->markdown = $input['markdown'];
+            $draft->html = '';
+        } else {
+            $draft->html = $input['html'];
             $draft->markdown = '';
         }
 
@@ -368,23 +392,6 @@ class PageRepo
         return $parentClass::visible()->where('id', '=', $entityId)->first();
     }
 
-    /**
-     * Change the page's parent to the given entity.
-     */
-    protected function changeParent(Page $page, Entity $parent)
-    {
-        $book = ($parent instanceof Chapter) ? $parent->book : $parent;
-        $page->chapter_id = ($parent instanceof Chapter) ? $parent->id : 0;
-        $page->save();
-
-        if ($page->book->id !== $book->id) {
-            $page->changeBook($book->id);
-        }
-
-        $page->load('book');
-        $book->rebuildPermissions();
-    }
-
     /**
      * Get a page revision to update for the given page.
      * Checks for an existing revisions before providing a fresh one.

app/Entities/Tools/Cloner.php

@@ -16,25 +16,10 @@ use Illuminate\Http\UploadedFile;
 
 class Cloner
 {
-    /**
-     * @var PageRepo
-     */
-    protected $pageRepo;
-
-    /**
-     * @var ChapterRepo
-     */
-    protected $chapterRepo;
-
-    /**
-     * @var BookRepo
-     */
-    protected $bookRepo;
-
-    /**
-     * @var ImageService
-     */
-    protected $imageService;
+    protected PageRepo $pageRepo;
+    protected ChapterRepo $chapterRepo;
+    protected BookRepo $bookRepo;
+    protected ImageService $imageService;
 
     public function __construct(PageRepo $pageRepo, ChapterRepo $chapterRepo, BookRepo $bookRepo, ImageService $imageService)
     {
@@ -50,11 +35,8 @@ class Cloner
     public function clonePage(Page $original, Entity $parent, string $newName): Page
     {
         $copyPage = $this->pageRepo->getNewDraftPage($parent);
-        $pageData = $original->getAttributes();
-
-        // Update name & tags
+        $pageData = $this->entityToInputData($original);
         $pageData['name'] = $newName;
-        $pageData['tags'] = $this->entityTagsToInputArray($original);
 
         return $this->pageRepo->publishDraft($copyPage, $pageData);
     }
@@ -65,9 +47,8 @@ class Cloner
      */
     public function cloneChapter(Chapter $original, Book $parent, string $newName): Chapter
     {
-        $chapterDetails = $original->getAttributes();
+        $chapterDetails = $this->entityToInputData($original);
         $chapterDetails['name'] = $newName;
-        $chapterDetails['tags'] = $this->entityTagsToInputArray($original);
 
         $copyChapter = $this->chapterRepo->create($chapterDetails, $parent);
 
@@ -87,9 +68,8 @@ class Cloner
      */
     public function cloneBook(Book $original, string $newName): Book
     {
-        $bookDetails = $original->getAttributes();
+        $bookDetails = $this->entityToInputData($original);
         $bookDetails['name'] = $newName;
-        $bookDetails['tags'] = $this->entityTagsToInputArray($original);
 
         $copyBook = $this->bookRepo->create($bookDetails);
 
@@ -104,26 +84,48 @@ class Cloner
             }
         }
 
-        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 entity to a raw data array of input data.
+     *
+     * @return array<string, mixed>
+     */
+    public function entityToInputData(Entity $entity): array
+    {
+        $inputData = $entity->getAttributes();
+        $inputData['tags'] = $this->entityTagsToInputArray($entity);
+
+        // Add a cover to the data if existing on the original entity
+        if ($entity->cover instanceof Image) {
+            $uploadedFile = $this->imageToUploadedFile($entity->cover);
+            $inputData['image'] = $uploadedFile;
         }
 
-        return $copyBook;
+        return $inputData;
+    }
+
+    /**
+     * Copy the permission settings from the source entity to the target entity.
+     */
+    public function copyEntityPermissions(Entity $sourceEntity, Entity $targetEntity): void
+    {
+        $targetEntity->restricted = $sourceEntity->restricted;
+        $permissions = $sourceEntity->permissions()->get(['role_id', 'action'])->toArray();
+        $targetEntity->permissions()->delete();
+        $targetEntity->permissions()->createMany($permissions);
+        $targetEntity->rebuildPermissions();
     }
 
     /**
      * Convert an image instance to an UploadedFile instance to mimic
      * a file being uploaded.
      */
-    protected function imageToUploadedFile(Image $image, &$tmpFile): ?UploadedFile
+    protected function imageToUploadedFile(Image $image): ?UploadedFile
     {
         $imgData = $this->imageService->getImageData($image);
-        $tmpImgFilePath = stream_get_meta_data($tmpFile)['uri'];
+        $tmpImgFilePath = tempnam(sys_get_temp_dir(), 'bs_cover_clone_');
         file_put_contents($tmpImgFilePath, $imgData);
 
         return new UploadedFile($tmpImgFilePath, basename($image->path));

app/Entities/Tools/ExportFormatter.php

@@ -7,6 +7,7 @@ use BookStack\Entities\Models\Chapter;
 use BookStack\Entities\Models\Page;
 use BookStack\Entities\Tools\Markdown\HtmlToMarkdown;
 use BookStack\Uploads\ImageService;
+use BookStack\Util\CspService;
 use DOMDocument;
 use DOMElement;
 use DOMXPath;
@@ -15,16 +16,18 @@ use Throwable;
 
 class ExportFormatter
 {
-    protected $imageService;
-    protected $pdfGenerator;
+    protected ImageService $imageService;
+    protected PdfGenerator $pdfGenerator;
+    protected CspService $cspService;
 
     /**
      * ExportService constructor.
      */
-    public function __construct(ImageService $imageService, PdfGenerator $pdfGenerator)
+    public function __construct(ImageService $imageService, PdfGenerator $pdfGenerator, CspService $cspService)
     {
         $this->imageService = $imageService;
         $this->pdfGenerator = $pdfGenerator;
+        $this->cspService = $cspService;
     }
 
     /**
@@ -36,9 +39,10 @@ class ExportFormatter
     public function pageToContainedHtml(Page $page)
     {
         $page->html = (new PageContent($page))->render();
-        $pageHtml = view('pages.export', [
-            'page'   => $page,
-            'format' => 'html',
+        $pageHtml = view('exports.page', [
+            'page'       => $page,
+            'format'     => 'html',
+            'cspContent' => $this->cspService->getCspMetaTagValue(),
         ])->render();
 
         return $this->containHtml($pageHtml);
@@ -55,10 +59,11 @@ class ExportFormatter
         $pages->each(function ($page) {
             $page->html = (new PageContent($page))->render();
         });
-        $html = view('chapters.export', [
-            'chapter' => $chapter,
-            'pages'   => $pages,
-            'format'  => 'html',
+        $html = view('exports.chapter', [
+            'chapter'    => $chapter,
+            'pages'      => $pages,
+            'format'     => 'html',
+            'cspContent' => $this->cspService->getCspMetaTagValue(),
         ])->render();
 
         return $this->containHtml($html);
@@ -72,10 +77,11 @@ class ExportFormatter
     public function bookToContainedHtml(Book $book)
     {
         $bookTree = (new BookContents($book))->getTree(false, true);
-        $html = view('books.export', [
+        $html = view('exports.book', [
             'book'         => $book,
             'bookChildren' => $bookTree,
             'format'       => 'html',
+            'cspContent'   => $this->cspService->getCspMetaTagValue(),
         ])->render();
 
         return $this->containHtml($html);
@@ -89,7 +95,7 @@ class ExportFormatter
     public function pageToPdf(Page $page)
     {
         $page->html = (new PageContent($page))->render();
-        $html = view('pages.export', [
+        $html = view('exports.page', [
             'page'   => $page,
             'format' => 'pdf',
             'engine' => $this->pdfGenerator->getActiveEngine(),
@@ -110,7 +116,7 @@ class ExportFormatter
             $page->html = (new PageContent($page))->render();
         });
 
-        $html = view('chapters.export', [
+        $html = view('exports.chapter', [
             'chapter' => $chapter,
             'pages'   => $pages,
             'format'  => 'pdf',
@@ -128,7 +134,7 @@ class ExportFormatter
     public function bookToPdf(Book $book)
     {
         $bookTree = (new BookContents($book))->getTree(false, true);
-        $html = view('books.export', [
+        $html = view('exports.book', [
             'book'         => $book,
             'bookChildren' => $bookTree,
             'format'       => 'pdf',
@@ -320,7 +326,7 @@ class ExportFormatter
             $text .= $this->pageToMarkdown($page) . "\n\n";
         }
 
-        return $text;
+        return trim($text);
     }
 
     /**
@@ -332,12 +338,12 @@ class ExportFormatter
         $text = '# ' . $book->name . "\n\n";
         foreach ($bookTree as $bookChild) {
             if ($bookChild instanceof Chapter) {
-                $text .= $this->chapterToMarkdown($bookChild);
+                $text .= $this->chapterToMarkdown($bookChild) . "\n\n";
             } else {
-                $text .= $this->pageToMarkdown($bookChild);
+                $text .= $this->pageToMarkdown($bookChild) . "\n\n";
             }
         }
 
-        return $text;
+        return trim($text);
     }
 }

app/Entities/Tools/HierarchyTransformer.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace BookStack\Entities\Tools;
+
+use BookStack\Actions\ActivityType;
+use BookStack\Entities\Models\Book;
+use BookStack\Entities\Models\Bookshelf;
+use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Page;
+use BookStack\Entities\Repos\BookRepo;
+use BookStack\Entities\Repos\BookshelfRepo;
+use BookStack\Facades\Activity;
+
+class HierarchyTransformer
+{
+    protected BookRepo $bookRepo;
+    protected BookshelfRepo $shelfRepo;
+    protected Cloner $cloner;
+    protected TrashCan $trashCan;
+
+    public function __construct(BookRepo $bookRepo, BookshelfRepo $shelfRepo, Cloner $cloner, TrashCan $trashCan)
+    {
+        $this->bookRepo = $bookRepo;
+        $this->shelfRepo = $shelfRepo;
+        $this->cloner = $cloner;
+        $this->trashCan = $trashCan;
+    }
+
+    /**
+     * Transform a chapter into a book.
+     * Does not check permissions, check before calling.
+     */
+    public function transformChapterToBook(Chapter $chapter): Book
+    {
+        $inputData = $this->cloner->entityToInputData($chapter);
+        $book = $this->bookRepo->create($inputData);
+        $this->cloner->copyEntityPermissions($chapter, $book);
+
+        /** @var Page $page */
+        foreach ($chapter->pages as $page) {
+            $page->chapter_id = 0;
+            $page->changeBook($book->id);
+        }
+
+        $this->trashCan->destroyEntity($chapter);
+
+        Activity::add(ActivityType::BOOK_CREATE_FROM_CHAPTER, $book);
+
+        return $book;
+    }
+
+    /**
+     * Transform a book into a shelf.
+     * Does not check permissions, check before calling.
+     */
+    public function transformBookToShelf(Book $book): Bookshelf
+    {
+        $inputData = $this->cloner->entityToInputData($book);
+        $shelf = $this->shelfRepo->create($inputData, []);
+        $this->cloner->copyEntityPermissions($book, $shelf);
+
+        $shelfBookSyncData = [];
+
+        /** @var Chapter $chapter */
+        foreach ($book->chapters as $index => $chapter) {
+            $newBook = $this->transformChapterToBook($chapter);
+            $shelfBookSyncData[$newBook->id] = ['order' => $index];
+            if (!$newBook->restricted) {
+                $this->cloner->copyEntityPermissions($shelf, $newBook);
+            }
+        }
+
+        if ($book->directPages->count() > 0) {
+            $book->name .= ' ' . trans('entities.pages');
+            $shelfBookSyncData[$book->id] = ['order' => count($shelfBookSyncData) + 1];
+            $book->save();
+        } else {
+            $this->trashCan->destroyEntity($book);
+        }
+
+        $shelf->books()->sync($shelfBookSyncData);
+
+        Activity::add(ActivityType::BOOKSHELF_CREATE_FROM_BOOK, $shelf);
+
+        return $shelf;
+    }
+}

app/Entities/Tools/Markdown/CheckboxConverter.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace BookStack\Entities\Tools\Markdown;
+
+use League\HTMLToMarkdown\Converter\ConverterInterface;
+use League\HTMLToMarkdown\ElementInterface;
+
+class CheckboxConverter implements ConverterInterface
+{
+    public function convert(ElementInterface $element): string
+    {
+        if (strtolower($element->getAttribute('type')) === 'checkbox') {
+            $isChecked = $element->getAttribute('checked') === 'checked';
+
+            return $isChecked ? ' [x] ' : ' [ ] ';
+        }
+
+        return $element->getValue();
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getSupportedTags(): array
+    {
+        return ['input'];
+    }
+}

app/Entities/Tools/Markdown/CustomDivConverter.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace BookStack\Entities\Tools\Markdown;
+
+use League\HTMLToMarkdown\Converter\DivConverter;
+use League\HTMLToMarkdown\ElementInterface;
+
+class CustomDivConverter extends DivConverter
+{
+    public function convert(ElementInterface $element): string
+    {
+        // Clean up draw.io diagrams
+        $drawIoDiagram = $element->getAttribute('drawio-diagram');
+        if ($drawIoDiagram) {
+            return "<div drawio-diagram=\"{$drawIoDiagram}\">{$element->getValue()}</div>\n\n";
+        }
+
+        return parent::convert($element);
+    }
+}

app/Entities/Tools/Markdown/CustomImageConverter.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace BookStack\Entities\Tools\Markdown;
+
+use League\HTMLToMarkdown\Converter\ImageConverter;
+use League\HTMLToMarkdown\ElementInterface;
+
+class CustomImageConverter extends ImageConverter
+{
+    public function convert(ElementInterface $element): string
+    {
+        $parent = $element->getParent();
+
+        // Remain as HTML if within diagram block.
+        $withinDrawing = $parent && !empty($parent->getAttribute('drawio-diagram'));
+        if ($withinDrawing) {
+            $src = e($element->getAttribute('src'));
+            $alt = e($element->getAttribute('alt'));
+
+            return "<img src=\"{$src}\" alt=\"{$alt}\"/>";
+        }
+
+        return parent::convert($element);
+    }
+}

app/Entities/Tools/Markdown/CustomParagraphConverter.php

@@ -9,7 +9,7 @@ class CustomParagraphConverter extends ParagraphConverter
 {
     public function convert(ElementInterface $element): string
     {
-        $class = $element->getAttribute('class');
+        $class = e($element->getAttribute('class'));
         if (strpos($class, 'callout') !== false) {
             return "<{$element->getTagName()} class=\"{$class}\">{$element->getValue()}</{$element->getTagName()}>\n\n";
         }

app/Entities/Tools/Markdown/HtmlToMarkdown.php

@@ -5,12 +5,10 @@ namespace BookStack\Entities\Tools\Markdown;
 use League\HTMLToMarkdown\Converter\BlockquoteConverter;
 use League\HTMLToMarkdown\Converter\CodeConverter;
 use League\HTMLToMarkdown\Converter\CommentConverter;
-use League\HTMLToMarkdown\Converter\DivConverter;
 use League\HTMLToMarkdown\Converter\EmphasisConverter;
 use League\HTMLToMarkdown\Converter\HardBreakConverter;
 use League\HTMLToMarkdown\Converter\HeaderConverter;
 use League\HTMLToMarkdown\Converter\HorizontalRuleConverter;
-use League\HTMLToMarkdown\Converter\ImageConverter;
 use League\HTMLToMarkdown\Converter\LinkConverter;
 use League\HTMLToMarkdown\Converter\ListBlockConverter;
 use League\HTMLToMarkdown\Converter\ListItemConverter;
@@ -21,7 +19,7 @@ use League\HTMLToMarkdown\HtmlConverter;
 
 class HtmlToMarkdown
 {
-    protected $html;
+    protected string $html;
 
     public function __construct(string $html)
     {
@@ -75,18 +73,20 @@ class HtmlToMarkdown
         $environment->addConverter(new BlockquoteConverter());
         $environment->addConverter(new CodeConverter());
         $environment->addConverter(new CommentConverter());
-        $environment->addConverter(new DivConverter());
+        $environment->addConverter(new CustomDivConverter());
         $environment->addConverter(new EmphasisConverter());
         $environment->addConverter(new HardBreakConverter());
         $environment->addConverter(new HeaderConverter());
         $environment->addConverter(new HorizontalRuleConverter());
-        $environment->addConverter(new ImageConverter());
+        $environment->addConverter(new CustomImageConverter());
         $environment->addConverter(new LinkConverter());
         $environment->addConverter(new ListBlockConverter());
         $environment->addConverter(new ListItemConverter());
         $environment->addConverter(new CustomParagraphConverter());
         $environment->addConverter(new PreformattedConverter());
         $environment->addConverter(new TextConverter());
+        $environment->addConverter(new CheckboxConverter());
+        $environment->addConverter(new SpacedTagFallbackConverter());
 
         return $environment;
     }

app/Entities/Tools/Markdown/MarkdownToHtml.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace BookStack\Entities\Tools\Markdown;
+
+use BookStack\Facades\Theme;
+use BookStack\Theming\ThemeEvents;
+use League\CommonMark\Block\Element\ListItem;
+use League\CommonMark\CommonMarkConverter;
+use League\CommonMark\Environment;
+use League\CommonMark\Extension\Table\TableExtension;
+use League\CommonMark\Extension\TaskList\TaskListExtension;
+
+class MarkdownToHtml
+{
+    protected string $markdown;
+
+    public function __construct(string $markdown)
+    {
+        $this->markdown = $markdown;
+    }
+
+    public function convert(): string
+    {
+        $environment = Environment::createCommonMarkEnvironment();
+        $environment->addExtension(new TableExtension());
+        $environment->addExtension(new TaskListExtension());
+        $environment->addExtension(new CustomStrikeThroughExtension());
+        $environment = Theme::dispatch(ThemeEvents::COMMONMARK_ENVIRONMENT_CONFIGURE, $environment) ?? $environment;
+        $converter = new CommonMarkConverter([], $environment);
+
+        $environment->addBlockRenderer(ListItem::class, new CustomListItemRenderer(), 10);
+
+        return $converter->convertToHtml($this->markdown);
+    }
+}

app/Entities/Tools/Markdown/SpacedTagFallbackConverter.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace BookStack\Entities\Tools\Markdown;
+
+use League\HTMLToMarkdown\Converter\ConverterInterface;
+use League\HTMLToMarkdown\ElementInterface;
+
+/**
+ * For certain defined tags, add additional spacing upon the retained HTML content
+ * to separate it out from anything that may be markdown soon afterwards or within.
+ */
+class SpacedTagFallbackConverter implements ConverterInterface
+{
+    public function convert(ElementInterface $element): string
+    {
+        return \html_entity_decode($element->getChildrenAsString()) . "\n\n";
+    }
+
+    public function getSupportedTags(): array
+    {
+        return ['summary', 'iframe'];
+    }
+}

app/Entities/Tools/PageContent.php

@@ -3,11 +3,8 @@
 namespace BookStack\Entities\Tools;
 
 use BookStack\Entities\Models\Page;
-use BookStack\Entities\Tools\Markdown\CustomListItemRenderer;
-use BookStack\Entities\Tools\Markdown\CustomStrikeThroughExtension;
+use BookStack\Entities\Tools\Markdown\MarkdownToHtml;
 use BookStack\Exceptions\ImageUploadException;
-use BookStack\Facades\Theme;
-use BookStack\Theming\ThemeEvents;
 use BookStack\Uploads\ImageRepo;
 use BookStack\Uploads\ImageService;
 use BookStack\Util\HtmlContentFilter;
@@ -17,15 +14,10 @@ use DOMNode;
 use DOMNodeList;
 use DOMXPath;
 use Illuminate\Support\Str;
-use League\CommonMark\Block\Element\ListItem;
-use League\CommonMark\CommonMarkConverter;
-use League\CommonMark\Environment;
-use League\CommonMark\Extension\Table\TableExtension;
-use League\CommonMark\Extension\TaskList\TaskListExtension;
 
 class PageContent
 {
-    protected $page;
+    protected Page $page;
 
     /**
      * PageContent constructor.
@@ -53,28 +45,11 @@ class PageContent
     {
         $markdown = $this->extractBase64ImagesFromMarkdown($markdown);
         $this->page->markdown = $markdown;
-        $html = $this->markdownToHtml($markdown);
+        $html = (new MarkdownToHtml($markdown))->convert();
         $this->page->html = $this->formatHtml($html);
         $this->page->text = $this->toPlainText();
     }
 
-    /**
-     * Convert the given Markdown content to a HTML string.
-     */
-    protected function markdownToHtml(string $markdown): string
-    {
-        $environment = Environment::createCommonMarkEnvironment();
-        $environment->addExtension(new TableExtension());
-        $environment->addExtension(new TaskListExtension());
-        $environment->addExtension(new CustomStrikeThroughExtension());
-        $environment = Theme::dispatch(ThemeEvents::COMMONMARK_ENVIRONMENT_CONFIGURE, $environment) ?? $environment;
-        $converter = new CommonMarkConverter([], $environment);
-
-        $environment->addBlockRenderer(ListItem::class, new CustomListItemRenderer(), 10);
-
-        return $converter->convertToHtml($markdown);
-    }
-
     /**
      * Convert all base64 image data to saved images.
      */
@@ -239,6 +214,9 @@ class PageContent
             $html .= $doc->saveHTML($childNode);
         }
 
+        // Perform required string-level tweaks
+        $html = str_replace(' ', ' ', $html);
+
         return $html;
     }
 

app/Entities/Tools/PageEditActivity.php

@@ -9,7 +9,7 @@ use Illuminate\Database\Eloquent\Builder;
 
 class PageEditActivity
 {
-    protected $page;
+    protected Page $page;
 
     /**
      * PageEditActivity constructor.

app/Entities/Tools/PageEditorData.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace BookStack\Entities\Tools;
+
+use BookStack\Entities\Models\Page;
+use BookStack\Entities\Repos\PageRepo;
+use BookStack\Entities\Tools\Markdown\HtmlToMarkdown;
+use BookStack\Entities\Tools\Markdown\MarkdownToHtml;
+
+class PageEditorData
+{
+    protected Page $page;
+    protected PageRepo $pageRepo;
+    protected string $requestedEditor;
+
+    protected array $viewData;
+    protected array $warnings;
+
+    public function __construct(Page $page, PageRepo $pageRepo, string $requestedEditor)
+    {
+        $this->page = $page;
+        $this->pageRepo = $pageRepo;
+        $this->requestedEditor = $requestedEditor;
+
+        $this->viewData = $this->build();
+    }
+
+    public function getViewData(): array
+    {
+        return $this->viewData;
+    }
+
+    public function getWarnings(): array
+    {
+        return $this->warnings;
+    }
+
+    protected function build(): array
+    {
+        $page = clone $this->page;
+        $isDraft = boolval($this->page->draft);
+        $templates = $this->pageRepo->getTemplates(10);
+        $draftsEnabled = auth()->check();
+
+        $isDraftRevision = false;
+        $this->warnings = [];
+        $editActivity = new PageEditActivity($page);
+
+        if ($editActivity->hasActiveEditing()) {
+            $this->warnings[] = $editActivity->activeEditingMessage();
+        }
+
+        // Check for a current draft version for this user
+        $userDraft = $this->pageRepo->getUserDraft($page);
+        if ($userDraft !== null) {
+            $page->forceFill($userDraft->only(['name', 'html', 'markdown']));
+            $isDraftRevision = true;
+            $this->warnings[] = $editActivity->getEditingActiveDraftMessage($userDraft);
+        }
+
+        $editorType = $this->getEditorType($page);
+        $this->updateContentForEditor($page, $editorType);
+
+        return [
+            'page'            => $page,
+            'book'            => $page->book,
+            'isDraft'         => $isDraft,
+            'isDraftRevision' => $isDraftRevision,
+            'draftsEnabled'   => $draftsEnabled,
+            'templates'       => $templates,
+            'editor'          => $editorType,
+        ];
+    }
+
+    protected function updateContentForEditor(Page $page, string $editorType): void
+    {
+        $isHtml = !empty($page->html) && empty($page->markdown);
+
+        // HTML to markdown-clean conversion
+        if ($editorType === 'markdown' && $isHtml && $this->requestedEditor === 'markdown-clean') {
+            $page->markdown = (new HtmlToMarkdown($page->html))->convert();
+        }
+
+        // Markdown to HTML conversion if we don't have HTML
+        if ($editorType === 'wysiwyg' && !$isHtml) {
+            $page->html = (new MarkdownToHtml($page->markdown))->convert();
+        }
+    }
+
+    /**
+     * Get the type of editor to show for editing the given page.
+     * Defaults based upon the current content of the page otherwise will fall back
+     * to system default but will take a requested type (if provided) if permissions allow.
+     */
+    protected function getEditorType(Page $page): string
+    {
+        $editorType = $page->editor ?: self::getSystemDefaultEditor();
+
+        // Use requested editor if valid and if we have permission
+        $requestedType = explode('-', $this->requestedEditor)[0];
+        if (($requestedType === 'markdown' || $requestedType === 'wysiwyg') && userCan('editor-change')) {
+            $editorType = $requestedType;
+        }
+
+        return $editorType;
+    }
+
+    /**
+     * Get the configured system default editor.
+     */
+    public static function getSystemDefaultEditor(): string
+    {
+        return setting('app-editor') === 'markdown' ? 'markdown' : 'wysiwyg';
+    }
+}

app/Entities/Tools/SearchIndex.php

@@ -147,6 +147,8 @@ class SearchIndex
         ];
 
         $html = '<body>' . $html . '</body>';
+        $html = str_ireplace(['<br>', '<br />', '<br/>'], "\n", $html);
+
         libxml_use_internal_errors(true);
         $doc = new DOMDocument();
         $doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));

app/Entities/Tools/SearchRunner.php

@@ -360,7 +360,7 @@ class SearchRunner
                     /** @var Connection $connection */
                     $connection = $query->getConnection();
                     $tagValue = (float) trim($connection->getPdo()->quote($tagValue), "'");
-                    $query->whereRaw("value ${tagOperator} ${tagValue}");
+                    $query->whereRaw("value {$tagOperator} {$tagValue}");
                 } else {
                     $query->where('value', $tagOperator, $tagValue);
                 }

app/Entities/Tools/TrashCan.php

@@ -344,7 +344,7 @@ class TrashCan
      *
      * @throws Exception
      */
-    protected function destroyEntity(Entity $entity): int
+    public function destroyEntity(Entity $entity): int
     {
         if ($entity instanceof Page) {
             return $this->destroyPage($entity);

app/Exceptions/Handler.php

@@ -21,6 +21,7 @@ class Handler extends ExceptionHandler
      */
     protected $dontReport = [
         NotFoundException::class,
+        StoppedAuthenticationException::class,
     ];
 
     /**

app/Exceptions/JsonDebugException.php

@@ -19,10 +19,13 @@ class JsonDebugException extends Exception
     }
 
     /**
-     * Covert this exception into a response.
+     * Convert this exception into a response.
+     * We add a manual data conversion to UTF8 to ensure any binary data is presentable as a JSON string.
      */
     public function render(): JsonResponse
     {
-        return response()->json($this->data);
+        $cleaned = mb_convert_encoding($this->data, 'UTF-8');
+
+        return response()->json($cleaned);
     }
 }

app/Http/Controllers/Api/AttachmentApiController.php

@@ -87,14 +87,33 @@ class AttachmentApiController extends ApiController
             'markdown' => $attachment->markdownLink(),
         ]);
 
-        if (!$attachment->external) {
-            $attachmentContents = $this->attachmentService->getAttachmentFromStorage($attachment);
-            $attachment->setAttribute('content', base64_encode($attachmentContents));
-        } else {
+        // Simply return a JSON response of the attachment for link-based attachments
+        if ($attachment->external) {
             $attachment->setAttribute('content', $attachment->path);
+
+            return response()->json($attachment);
         }
 
-        return response()->json($attachment);
+        // Build and split our core JSON, at point of content.
+        $splitter = 'CONTENT_SPLIT_LOCATION_' . time() . '_' . rand(1, 40000);
+        $attachment->setAttribute('content', $splitter);
+        $json = $attachment->toJson();
+        $jsonParts = explode($splitter, $json);
+        // Get a stream for the file data from storage
+        $stream = $this->attachmentService->streamAttachmentFromStorage($attachment);
+
+        return response()->stream(function () use ($jsonParts, $stream) {
+            // Output the pre-content JSON data
+            echo $jsonParts[0];
+
+            // Stream out our attachment data as base64 content
+            stream_filter_append($stream, 'convert.base64-encode', STREAM_FILTER_READ);
+            fpassthru($stream);
+            fclose($stream);
+
+            // Output our post-content JSON data
+            echo $jsonParts[1];
+        }, 200, ['Content-Type' => 'application/json']);
     }
 
     /**

app/Http/Controllers/Api/BookApiController.php

@@ -11,19 +11,6 @@ class BookApiController extends ApiController
 {
     protected $bookRepo;
 
-    protected $rules = [
-        'create' => [
-            'name'        => ['required', 'string', 'max:255'],
-            'description' => ['string', 'max:1000'],
-            'tags'        => ['array'],
-        ],
-        'update' => [
-            'name'        => ['string', 'min:1', 'max:255'],
-            'description' => ['string', 'max:1000'],
-            'tags'        => ['array'],
-        ],
-    ];
-
     public function __construct(BookRepo $bookRepo)
     {
         $this->bookRepo = $bookRepo;
@@ -37,19 +24,21 @@ class BookApiController extends ApiController
         $books = Book::visible();
 
         return $this->apiListingResponse($books, [
-            'id', 'name', 'slug', 'description', 'created_at', 'updated_at', 'created_by', 'updated_by', 'owned_by', 'image_id',
+            'id', 'name', 'slug', 'description', 'created_at', 'updated_at', 'created_by', 'updated_by', 'owned_by',
         ]);
     }
 
     /**
      * Create a new book in the system.
+     * The cover image of a book can be set by sending a file via an 'image' property within a 'multipart/form-data' request.
+     * If the 'image' property is null then the book cover image will be removed.
      *
      * @throws ValidationException
      */
     public function create(Request $request)
     {
         $this->checkPermission('book-create-all');
-        $requestData = $this->validate($request, $this->rules['create']);
+        $requestData = $this->validate($request, $this->rules()['create']);
 
         $book = $this->bookRepo->create($requestData);
 
@@ -68,6 +57,8 @@ class BookApiController extends ApiController
 
     /**
      * Update the details of a single book.
+     * The cover image of a book can be set by sending a file via an 'image' property within a 'multipart/form-data' request.
+     * If the 'image' property is null then the book cover image will be removed.
      *
      * @throws ValidationException
      */
@@ -76,7 +67,7 @@ class BookApiController extends ApiController
         $book = Book::visible()->findOrFail($id);
         $this->checkOwnablePermission('book-update', $book);
 
-        $requestData = $this->validate($request, $this->rules['update']);
+        $requestData = $this->validate($request, $this->rules()['update']);
         $book = $this->bookRepo->update($book, $requestData);
 
         return response()->json($book);
@@ -97,4 +88,22 @@ class BookApiController extends ApiController
 
         return response('', 204);
     }
+
+    protected function rules(): array
+    {
+        return [
+            'create' => [
+                'name'        => ['required', 'string', 'max:255'],
+                'description' => ['string', 'max:1000'],
+                'tags'        => ['array'],
+                'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            ],
+            'update' => [
+                'name'        => ['string', 'min:1', 'max:255'],
+                'description' => ['string', 'max:1000'],
+                'tags'        => ['array'],
+                'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            ],
+        ];
+    }
 }

app/Http/Controllers/Api/BookExportApiController.php

@@ -26,7 +26,7 @@ class BookExportApiController extends ApiController
         $book = Book::visible()->findOrFail($id);
         $pdfContent = $this->exportFormatter->bookToPdf($book);
 
-        return $this->downloadResponse($pdfContent, $book->slug . '.pdf');
+        return $this->download()->directly($pdfContent, $book->slug . '.pdf');
     }
 
     /**
@@ -39,7 +39,7 @@ class BookExportApiController extends ApiController
         $book = Book::visible()->findOrFail($id);
         $htmlContent = $this->exportFormatter->bookToContainedHtml($book);
 
-        return $this->downloadResponse($htmlContent, $book->slug . '.html');
+        return $this->download()->directly($htmlContent, $book->slug . '.html');
     }
 
     /**
@@ -50,7 +50,7 @@ class BookExportApiController extends ApiController
         $book = Book::visible()->findOrFail($id);
         $textContent = $this->exportFormatter->bookToPlainText($book);
 
-        return $this->downloadResponse($textContent, $book->slug . '.txt');
+        return $this->download()->directly($textContent, $book->slug . '.txt');
     }
 
     /**
@@ -61,6 +61,6 @@ class BookExportApiController extends ApiController
         $book = Book::visible()->findOrFail($id);
         $markdown = $this->exportFormatter->bookToMarkdown($book);
 
-        return $this->downloadResponse($markdown, $book->slug . '.md');
+        return $this->download()->directly($markdown, $book->slug . '.md');
     }
 }

app/Http/Controllers/Api/BookshelfApiController.php

@@ -11,23 +11,7 @@ use Illuminate\Validation\ValidationException;
 
 class BookshelfApiController extends ApiController
 {
-    /**
-     * @var BookshelfRepo
-     */
-    protected $bookshelfRepo;
-
-    protected $rules = [
-        'create' => [
-            'name'        => ['required', 'string', 'max:255'],
-            'description' => ['string', 'max:1000'],
-            'books'       => ['array'],
-        ],
-        'update' => [
-            'name'        => ['string', 'min:1', 'max:255'],
-            'description' => ['string', 'max:1000'],
-            'books'       => ['array'],
-        ],
-    ];
+    protected BookshelfRepo $bookshelfRepo;
 
     /**
      * BookshelfApiController constructor.
@@ -45,7 +29,7 @@ class BookshelfApiController extends ApiController
         $shelves = Bookshelf::visible();
 
         return $this->apiListingResponse($shelves, [
-            'id', 'name', 'slug', 'description', 'created_at', 'updated_at', 'created_by', 'updated_by', 'owned_by', 'image_id',
+            'id', 'name', 'slug', 'description', 'created_at', 'updated_at', 'created_by', 'updated_by', 'owned_by',
         ]);
     }
 
@@ -53,13 +37,15 @@ class BookshelfApiController extends ApiController
      * Create a new shelf in the system.
      * An array of books IDs can be provided in the request. These
      * will be added to the shelf in the same order as provided.
+     * The cover image of a shelf can be set by sending a file via an 'image' property within a 'multipart/form-data' request.
+     * If the 'image' property is null then the shelf cover image will be removed.
      *
      * @throws ValidationException
      */
     public function create(Request $request)
     {
         $this->checkPermission('bookshelf-create-all');
-        $requestData = $this->validate($request, $this->rules['create']);
+        $requestData = $this->validate($request, $this->rules()['create']);
 
         $bookIds = $request->get('books', []);
         $shelf = $this->bookshelfRepo->create($requestData, $bookIds);
@@ -87,6 +73,8 @@ class BookshelfApiController extends ApiController
      * An array of books IDs can be provided in the request. These
      * will be added to the shelf in the same order as provided and overwrite
      * any existing book assignments.
+     * The cover image of a shelf can be set by sending a file via an 'image' property within a 'multipart/form-data' request.
+     * If the 'image' property is null then the shelf cover image will be removed.
      *
      * @throws ValidationException
      */
@@ -95,7 +83,7 @@ class BookshelfApiController extends ApiController
         $shelf = Bookshelf::visible()->findOrFail($id);
         $this->checkOwnablePermission('bookshelf-update', $shelf);
 
-        $requestData = $this->validate($request, $this->rules['update']);
+        $requestData = $this->validate($request, $this->rules()['update']);
         $bookIds = $request->get('books', null);
 
         $shelf = $this->bookshelfRepo->update($shelf, $requestData, $bookIds);
@@ -118,4 +106,24 @@ class BookshelfApiController extends ApiController
 
         return response('', 204);
     }
+
+    protected function rules(): array
+    {
+        return [
+            'create' => [
+                'name'        => ['required', 'string', 'max:255'],
+                'description' => ['string', 'max:1000'],
+                'books'       => ['array'],
+                'tags'        => ['array'],
+                'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            ],
+            'update' => [
+                'name'        => ['string', 'min:1', 'max:255'],
+                'description' => ['string', 'max:1000'],
+                'books'       => ['array'],
+                'tags'        => ['array'],
+                'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            ],
+        ];
+    }
 }

app/Http/Controllers/Api/ChapterExportApiController.php

@@ -29,7 +29,7 @@ class ChapterExportApiController extends ApiController
         $chapter = Chapter::visible()->findOrFail($id);
         $pdfContent = $this->exportFormatter->chapterToPdf($chapter);
 
-        return $this->downloadResponse($pdfContent, $chapter->slug . '.pdf');
+        return $this->download()->directly($pdfContent, $chapter->slug . '.pdf');
     }
 
     /**
@@ -42,7 +42,7 @@ class ChapterExportApiController extends ApiController
         $chapter = Chapter::visible()->findOrFail($id);
         $htmlContent = $this->exportFormatter->chapterToContainedHtml($chapter);
 
-        return $this->downloadResponse($htmlContent, $chapter->slug . '.html');
+        return $this->download()->directly($htmlContent, $chapter->slug . '.html');
     }
 
     /**
@@ -53,7 +53,7 @@ class ChapterExportApiController extends ApiController
         $chapter = Chapter::visible()->findOrFail($id);
         $textContent = $this->exportFormatter->chapterToPlainText($chapter);
 
-        return $this->downloadResponse($textContent, $chapter->slug . '.txt');
+        return $this->download()->directly($textContent, $chapter->slug . '.txt');
     }
 
     /**
@@ -64,6 +64,6 @@ class ChapterExportApiController extends ApiController
         $chapter = Chapter::visible()->findOrFail($id);
         $markdown = $this->exportFormatter->chapterToMarkdown($chapter);
 
-        return $this->downloadResponse($markdown, $chapter->slug . '.md');
+        return $this->download()->directly($markdown, $chapter->slug . '.md');
     }
 }

app/Http/Controllers/Api/PageApiController.php

@@ -12,7 +12,7 @@ use Illuminate\Http\Request;
 
 class PageApiController extends ApiController
 {
-    protected $pageRepo;
+    protected PageRepo $pageRepo;
 
     protected $rules = [
         'create' => [
@@ -24,8 +24,8 @@ class PageApiController extends ApiController
             'tags'       => ['array'],
         ],
         'update' => [
-            'book_id'    => ['required', 'integer'],
-            'chapter_id' => ['required', 'integer'],
+            'book_id'    => ['integer'],
+            'chapter_id' => ['integer'],
             'name'       => ['string', 'min:1', 'max:255'],
             'html'       => ['string'],
             'markdown'   => ['string'],
@@ -103,6 +103,8 @@ class PageApiController extends ApiController
      */
     public function update(Request $request, string $id)
     {
+        $requestData = $this->validate($request, $this->rules['update']);
+
         $page = $this->pageRepo->getById($id, []);
         $this->checkOwnablePermission('page-update', $page);
 
@@ -127,7 +129,7 @@ class PageApiController extends ApiController
             }
         }
 
-        $updatedPage = $this->pageRepo->update($page, $request->all());
+        $updatedPage = $this->pageRepo->update($page, $requestData);
 
         return response()->json($updatedPage->forJsonDisplay());
     }

app/Http/Controllers/Api/PageExportApiController.php

@@ -26,7 +26,7 @@ class PageExportApiController extends ApiController
         $page = Page::visible()->findOrFail($id);
         $pdfContent = $this->exportFormatter->pageToPdf($page);
 
-        return $this->downloadResponse($pdfContent, $page->slug . '.pdf');
+        return $this->download()->directly($pdfContent, $page->slug . '.pdf');
     }
 
     /**
@@ -39,7 +39,7 @@ class PageExportApiController extends ApiController
         $page = Page::visible()->findOrFail($id);
         $htmlContent = $this->exportFormatter->pageToContainedHtml($page);
 
-        return $this->downloadResponse($htmlContent, $page->slug . '.html');
+        return $this->download()->directly($htmlContent, $page->slug . '.html');
     }
 
     /**
@@ -50,7 +50,7 @@ class PageExportApiController extends ApiController
         $page = Page::visible()->findOrFail($id);
         $textContent = $this->exportFormatter->pageToPlainText($page);
 
-        return $this->downloadResponse($textContent, $page->slug . '.txt');
+        return $this->download()->directly($textContent, $page->slug . '.txt');
     }
 
     /**
@@ -61,6 +61,6 @@ class PageExportApiController extends ApiController
         $page = Page::visible()->findOrFail($id);
         $markdown = $this->exportFormatter->pageToMarkdown($page);
 
-        return $this->downloadResponse($markdown, $page->slug . '.md');
+        return $this->download()->directly($markdown, $page->slug . '.md');
     }
 }

app/Http/Controllers/Api/RecycleBinApiController.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace BookStack\Http\Controllers\Api;
+
+use BookStack\Entities\Models\Book;
+use BookStack\Entities\Models\BookChild;
+use BookStack\Entities\Models\Chapter;
+use BookStack\Entities\Models\Deletion;
+use BookStack\Entities\Repos\DeletionRepo;
+use Closure;
+use Illuminate\Database\Eloquent\Builder;
+
+class RecycleBinApiController extends ApiController
+{
+    public function __construct()
+    {
+        $this->middleware(function ($request, $next) {
+            $this->checkPermission('settings-manage');
+            $this->checkPermission('restrictions-manage-all');
+
+            return $next($request);
+        });
+    }
+
+    /**
+     * Get a top-level listing of the items in the recycle bin.
+     * The "deletable" property will reflect the main item deleted.
+     * For books and chapters, counts of child pages/chapters will
+     * be loaded within this "deletable" data.
+     * For chapters & pages, the parent item will be loaded within this "deletable" data.
+     * Requires permission to manage both system settings and permissions.
+     */
+    public function list()
+    {
+        return $this->apiListingResponse(Deletion::query()->with('deletable'), [
+            'id',
+            'deleted_by',
+            'created_at',
+            'updated_at',
+            'deletable_type',
+            'deletable_id',
+        ], [Closure::fromCallable([$this, 'listFormatter'])]);
+    }
+
+    /**
+     * Restore a single deletion from the recycle bin.
+     * Requires permission to manage both system settings and permissions.
+     */
+    public function restore(DeletionRepo $deletionRepo, string $deletionId)
+    {
+        $restoreCount = $deletionRepo->restore(intval($deletionId));
+
+        return response()->json(['restore_count' => $restoreCount]);
+    }
+
+    /**
+     * Remove a single deletion from the recycle bin.
+     * Use this endpoint carefully as it will entirely remove the underlying deleted items from the system.
+     * Requires permission to manage both system settings and permissions.
+     */
+    public function destroy(DeletionRepo $deletionRepo, string $deletionId)
+    {
+        $deleteCount = $deletionRepo->destroy(intval($deletionId));
+
+        return response()->json(['delete_count' => $deleteCount]);
+    }
+
+    /**
+     * Load some related details for the deletion listing.
+     */
+    protected function listFormatter(Deletion $deletion)
+    {
+        $deletable = $deletion->deletable;
+        $withTrashedQuery = fn (Builder $query) => $query->withTrashed();
+
+        if ($deletable instanceof BookChild) {
+            $parent = $deletable->getParent();
+            $parent->setAttribute('type', $parent->getType());
+            $deletable->setRelation('parent', $parent);
+        }
+
+        if ($deletable instanceof Book || $deletable instanceof Chapter) {
+            $countsToLoad = ['pages' => $withTrashedQuery];
+            if ($deletable instanceof Book) {
+                $countsToLoad['chapters'] = $withTrashedQuery;
+            }
+            $deletable->loadCount($countsToLoad);
+        }
+    }
+}

app/Http/Controllers/AttachmentController.php

@@ -15,8 +15,8 @@ use Illuminate\Validation\ValidationException;
 
 class AttachmentController extends Controller
 {
-    protected $attachmentService;
-    protected $pageRepo;
+    protected AttachmentService $attachmentService;
+    protected PageRepo $pageRepo;
 
     /**
      * AttachmentController constructor.
@@ -230,13 +230,13 @@ class AttachmentController extends Controller
         }
 
         $fileName = $attachment->getFileName();
-        $attachmentContents = $this->attachmentService->getAttachmentFromStorage($attachment);
+        $attachmentStream = $this->attachmentService->streamAttachmentFromStorage($attachment);
 
         if ($request->get('open') === 'true') {
-            return $this->inlineDownloadResponse($attachmentContents, $fileName);
+            return $this->download()->streamedInline($attachmentStream, $fileName);
         }
 
-        return $this->downloadResponse($attachmentContents, $fileName);
+        return $this->download()->streamedDirectly($attachmentStream, $fileName);
     }
 
     /**

app/Http/Controllers/Auth/LoginController.php

@@ -25,17 +25,16 @@ class LoginController extends Controller
     |
     */
 
-    use AuthenticatesUsers;
+    use AuthenticatesUsers { logout as traitLogout; }
 
     /**
      * Redirection paths.
      */
     protected $redirectTo = '/';
     protected $redirectPath = '/';
-    protected $redirectAfterLogout = '/login';
 
-    protected $socialAuthService;
-    protected $loginService;
+    protected SocialAuthService $socialAuthService;
+    protected LoginService $loginService;
 
     /**
      * Create a new controller instance.
@@ -50,7 +49,6 @@ class LoginController extends Controller
         $this->loginService = $loginService;
 
         $this->redirectPath = url('/');
-        $this->redirectAfterLogout = url('/login');
     }
 
     public function username()
@@ -73,6 +71,7 @@ class LoginController extends Controller
     {
         $socialDrivers = $this->socialAuthService->getActiveDrivers();
         $authMethod = config('auth.method');
+        $preventInitiation = $request->get('prevent_auto_init') === 'true';
 
         if ($request->has('email')) {
             session()->flashInput([
@@ -84,6 +83,12 @@ class LoginController extends Controller
         // Store the previous location for redirect after login
         $this->updateIntendedFromPrevious();
 
+        if (!$preventInitiation && $this->shouldAutoInitiate()) {
+            return view('auth.login-initiate', [
+                'authMethod'    => $authMethod,
+            ]);
+        }
+
         return view('auth.login', [
             'socialDrivers' => $socialDrivers,
             'authMethod'    => $authMethod,
@@ -251,4 +256,32 @@ class LoginController extends Controller
 
         redirect()->setIntendedUrl($previous);
     }
+
+    /**
+     * Check if login auto-initiate should be valid based upon authentication config.
+     */
+    protected function shouldAutoInitiate(): bool
+    {
+        $socialDrivers = $this->socialAuthService->getActiveDrivers();
+        $authMethod = config('auth.method');
+        $autoRedirect = config('auth.auto_initiate');
+
+        return $autoRedirect && count($socialDrivers) === 0 && in_array($authMethod, ['oidc', 'saml2']);
+    }
+
+    /**
+     * Logout user and perform subsequent redirect.
+     *
+     * @param \Illuminate\Http\Request $request
+     *
+     * @return mixed
+     */
+    public function logout(Request $request)
+    {
+        $this->traitLogout($request);
+
+        $redirectUri = $this->shouldAutoInitiate() ? '/login?prevent_auto_init=true' : '/';
+
+        return redirect($redirectUri);
+    }
 }

app/Http/Controllers/BookController.php

@@ -9,6 +9,7 @@ use BookStack\Entities\Models\Bookshelf;
 use BookStack\Entities\Repos\BookRepo;
 use BookStack\Entities\Tools\BookContents;
 use BookStack\Entities\Tools\Cloner;
+use BookStack\Entities\Tools\HierarchyTransformer;
 use BookStack\Entities\Tools\PermissionsUpdater;
 use BookStack\Entities\Tools\ShelfContext;
 use BookStack\Exceptions\ImageUploadException;
@@ -87,10 +88,11 @@ class BookController extends Controller
     public function store(Request $request, string $shelfSlug = null)
     {
         $this->checkPermission('book-create-all');
-        $this->validate($request, [
+        $validated = $this->validate($request, [
             'name'        => ['required', 'string', 'max:255'],
             'description' => ['string', 'max:1000'],
             'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            'tags'        => ['array'],
         ]);
 
         $bookshelf = null;
@@ -99,8 +101,7 @@ class BookController extends Controller
             $this->checkOwnablePermission('bookshelf-update', $bookshelf);
         }
 
-        $book = $this->bookRepo->create($request->all());
-        $this->bookRepo->updateCoverImage($book, $request->file('image', null));
+        $book = $this->bookRepo->create($validated);
 
         if ($bookshelf) {
             $bookshelf->appendBook($book);
@@ -158,15 +159,21 @@ class BookController extends Controller
     {
         $book = $this->bookRepo->getBySlug($slug);
         $this->checkOwnablePermission('book-update', $book);
-        $this->validate($request, [
+
+        $validated = $this->validate($request, [
             'name'        => ['required', 'string', 'max:255'],
             'description' => ['string', 'max:1000'],
             'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            'tags'        => ['array'],
         ]);
 
-        $book = $this->bookRepo->update($book, $request->all());
-        $resetCover = $request->has('image_reset');
-        $this->bookRepo->updateCoverImage($book, $request->file('image', null), $resetCover);
+        if ($request->has('image_reset')) {
+            $validated['image'] = null;
+        } elseif (array_key_exists('image', $validated) && is_null($validated['image'])) {
+            unset($validated['image']);
+        }
+
+        $book = $this->bookRepo->update($book, $validated);
 
         return redirect($book->getUrl());
     }
@@ -262,4 +269,20 @@ class BookController extends Controller
 
         return redirect($bookCopy->getUrl());
     }
+
+    /**
+     * Convert the chapter to a book.
+     */
+    public function convertToShelf(HierarchyTransformer $transformer, string $bookSlug)
+    {
+        $book = $this->bookRepo->getBySlug($bookSlug);
+        $this->checkOwnablePermission('book-update', $book);
+        $this->checkOwnablePermission('book-delete', $book);
+        $this->checkPermission('bookshelf-create-all');
+        $this->checkPermission('book-create-all');
+
+        $shelf = $transformer->transformBookToShelf($book);
+
+        return redirect($shelf->getUrl());
+    }
 }

app/Http/Controllers/BookExportController.php

@@ -31,7 +31,7 @@ class BookExportController extends Controller
         $book = $this->bookRepo->getBySlug($bookSlug);
         $pdfContent = $this->exportFormatter->bookToPdf($book);
 
-        return $this->downloadResponse($pdfContent, $bookSlug . '.pdf');
+        return $this->download()->directly($pdfContent, $bookSlug . '.pdf');
     }
 
     /**
@@ -44,7 +44,7 @@ class BookExportController extends Controller
         $book = $this->bookRepo->getBySlug($bookSlug);
         $htmlContent = $this->exportFormatter->bookToContainedHtml($book);
 
-        return $this->downloadResponse($htmlContent, $bookSlug . '.html');
+        return $this->download()->directly($htmlContent, $bookSlug . '.html');
     }
 
     /**
@@ -55,7 +55,7 @@ class BookExportController extends Controller
         $book = $this->bookRepo->getBySlug($bookSlug);
         $textContent = $this->exportFormatter->bookToPlainText($book);
 
-        return $this->downloadResponse($textContent, $bookSlug . '.txt');
+        return $this->download()->directly($textContent, $bookSlug . '.txt');
     }
 
     /**
@@ -66,6 +66,6 @@ class BookExportController extends Controller
         $book = $this->bookRepo->getBySlug($bookSlug);
         $textContent = $this->exportFormatter->bookToMarkdown($book);
 
-        return $this->downloadResponse($textContent, $bookSlug . '.md');
+        return $this->download()->directly($textContent, $bookSlug . '.md');
     }
 }

app/Http/Controllers/BookshelfController.php

@@ -83,15 +83,15 @@ class BookshelfController extends Controller
     public function store(Request $request)
     {
         $this->checkPermission('bookshelf-create-all');
-        $this->validate($request, [
+        $validated = $this->validate($request, [
             'name'        => ['required', 'string', 'max:255'],
             'description' => ['string', 'max:1000'],
             'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            'tags'        => ['array'],
         ]);
 
         $bookIds = explode(',', $request->get('books', ''));
-        $shelf = $this->bookshelfRepo->create($request->all(), $bookIds);
-        $this->bookshelfRepo->updateCoverImage($shelf, $request->file('image', null));
+        $shelf = $this->bookshelfRepo->create($validated, $bookIds);
 
         return redirect($shelf->getUrl());
     }
@@ -160,16 +160,21 @@ class BookshelfController extends Controller
     {
         $shelf = $this->bookshelfRepo->getBySlug($slug);
         $this->checkOwnablePermission('bookshelf-update', $shelf);
-        $this->validate($request, [
+        $validated = $this->validate($request, [
             'name'        => ['required', 'string', 'max:255'],
             'description' => ['string', 'max:1000'],
             'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+            'tags'        => ['array'],
         ]);
 
+        if ($request->has('image_reset')) {
+            $validated['image'] = null;
+        } elseif (array_key_exists('image', $validated) && is_null($validated['image'])) {
+            unset($validated['image']);
+        }
+
         $bookIds = explode(',', $request->get('books', ''));
-        $shelf = $this->bookshelfRepo->update($shelf, $request->all(), $bookIds);
-        $resetCover = $request->has('image_reset');
-        $this->bookshelfRepo->updateCoverImage($shelf, $request->file('image', null), $resetCover);
+        $shelf = $this->bookshelfRepo->update($shelf, $validated, $bookIds);
 
         return redirect($shelf->getUrl());
     }

app/Http/Controllers/ChapterController.php

@@ -7,6 +7,7 @@ use BookStack\Entities\Models\Book;
 use BookStack\Entities\Repos\ChapterRepo;
 use BookStack\Entities\Tools\BookContents;
 use BookStack\Entities\Tools\Cloner;
+use BookStack\Entities\Tools\HierarchyTransformer;
 use BookStack\Entities\Tools\NextPreviousContentLocator;
 use BookStack\Entities\Tools\PermissionsUpdater;
 use BookStack\Exceptions\MoveOperationException;
@@ -272,4 +273,19 @@ class ChapterController extends Controller
 
         return redirect($chapter->getUrl());
     }
+
+    /**
+     * Convert the chapter to a book.
+     */
+    public function convertToBook(HierarchyTransformer $transformer, string $bookSlug, string $chapterSlug)
+    {
+        $chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
+        $this->checkOwnablePermission('chapter-update', $chapter);
+        $this->checkOwnablePermission('chapter-delete', $chapter);
+        $this->checkPermission('book-create-all');
+
+        $book = $transformer->transformChapterToBook($chapter);
+
+        return redirect($book->getUrl());
+    }
 }

app/Http/Controllers/ChapterExportController.php

@@ -33,7 +33,7 @@ class ChapterExportController extends Controller
         $chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
         $pdfContent = $this->exportFormatter->chapterToPdf($chapter);
 
-        return $this->downloadResponse($pdfContent, $chapterSlug . '.pdf');
+        return $this->download()->directly($pdfContent, $chapterSlug . '.pdf');
     }
 
     /**
@@ -47,7 +47,7 @@ class ChapterExportController extends Controller
         $chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
         $containedHtml = $this->exportFormatter->chapterToContainedHtml($chapter);
 
-        return $this->downloadResponse($containedHtml, $chapterSlug . '.html');
+        return $this->download()->directly($containedHtml, $chapterSlug . '.html');
     }
 
     /**
@@ -60,7 +60,7 @@ class ChapterExportController extends Controller
         $chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
         $chapterText = $this->exportFormatter->chapterToPlainText($chapter);
 
-        return $this->downloadResponse($chapterText, $chapterSlug . '.txt');
+        return $this->download()->directly($chapterText, $chapterSlug . '.txt');
     }
 
     /**
@@ -70,10 +70,9 @@ class ChapterExportController extends Controller
      */
     public function markdown(string $bookSlug, string $chapterSlug)
     {
-        // TODO: This should probably export to a zip file.
         $chapter = $this->chapterRepo->getBySlug($bookSlug, $chapterSlug);
         $chapterText = $this->exportFormatter->chapterToMarkdown($chapter);
 
-        return $this->downloadResponse($chapterText, $chapterSlug . '.md');
+        return $this->download()->directly($chapterText, $chapterSlug . '.md');
     }
 }

app/Http/Controllers/Controller.php

@@ -4,13 +4,12 @@ namespace BookStack\Http\Controllers;
 
 use BookStack\Exceptions\NotifyException;
 use BookStack\Facades\Activity;
+use BookStack\Http\Responses\DownloadResponseFactory;
 use BookStack\Interfaces\Loggable;
 use BookStack\Model;
-use BookStack\Util\WebSafeMimeSniffer;
 use Illuminate\Foundation\Bus\DispatchesJobs;
 use Illuminate\Foundation\Validation\ValidatesRequests;
 use Illuminate\Http\JsonResponse;
-use Illuminate\Http\Response;
 use Illuminate\Routing\Controller as BaseController;
 
 abstract class Controller extends BaseController
@@ -109,30 +108,11 @@ abstract class Controller extends BaseController
     }
 
     /**
-     * Create a response that forces a download in the browser.
+     * Create and return a new download response factory using the current request.
      */
-    protected function downloadResponse(string $content, string $fileName): Response
+    protected function download(): DownloadResponseFactory
     {
-        return response()->make($content, 200, [
-            'Content-Type'           => 'application/octet-stream',
-            'Content-Disposition'    => 'attachment; filename="' . $fileName . '"',
-            'X-Content-Type-Options' => 'nosniff',
-        ]);
-    }
-
-    /**
-     * Create a file download response that provides the file with a content-type
-     * correct for the file, in a way so the browser can show the content in browser.
-     */
-    protected function inlineDownloadResponse(string $content, string $fileName): Response
-    {
-        $mime = (new WebSafeMimeSniffer())->sniff($content);
-
-        return response()->make($content, 200, [
-            'Content-Type'           => $mime,
-            'Content-Disposition'    => 'inline; filename="' . $fileName . '"',
-            'X-Content-Type-Options' => 'nosniff',
-        ]);
+        return new DownloadResponseFactory(request());
     }
 
     /**

app/Http/Controllers/PageController.php

@@ -10,6 +10,7 @@ use BookStack\Entities\Tools\Cloner;
 use BookStack\Entities\Tools\NextPreviousContentLocator;
 use BookStack\Entities\Tools\PageContent;
 use BookStack\Entities\Tools\PageEditActivity;
+use BookStack\Entities\Tools\PageEditorData;
 use BookStack\Entities\Tools\PermissionsUpdater;
 use BookStack\Exceptions\NotFoundException;
 use BookStack\Exceptions\PermissionsException;
@@ -21,7 +22,7 @@ use Throwable;
 
 class PageController extends Controller
 {
-    protected $pageRepo;
+    protected PageRepo $pageRepo;
 
     /**
      * PageController constructor.
@@ -82,22 +83,15 @@ class PageController extends Controller
      *
      * @throws NotFoundException
      */
-    public function editDraft(string $bookSlug, int $pageId)
+    public function editDraft(Request $request, string $bookSlug, int $pageId)
     {
         $draft = $this->pageRepo->getById($pageId);
         $this->checkOwnablePermission('page-create', $draft->getParent());
+
+        $editorData = new PageEditorData($draft, $this->pageRepo, $request->query('editor', ''));
         $this->setPageTitle(trans('entities.pages_edit_draft'));
 
-        $draftsEnabled = $this->isSignedIn();
-        $templates = $this->pageRepo->getTemplates(10);
-
-        return view('pages.edit', [
-            'page'          => $draft,
-            'book'          => $draft->book,
-            'isDraft'       => true,
-            'draftsEnabled' => $draftsEnabled,
-            'templates'     => $templates,
-        ]);
+        return view('pages.edit', $editorData->getViewData());
     }
 
     /**
@@ -188,43 +182,19 @@ class PageController extends Controller
      *
      * @throws NotFoundException
      */
-    public function edit(string $bookSlug, string $pageSlug)
+    public function edit(Request $request, string $bookSlug, string $pageSlug)
     {
         $page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
         $this->checkOwnablePermission('page-update', $page);
 
-        $page->isDraft = false;
-        $editActivity = new PageEditActivity($page);
-
-        // Check for active editing
-        $warnings = [];
-        if ($editActivity->hasActiveEditing()) {
-            $warnings[] = $editActivity->activeEditingMessage();
+        $editorData = new PageEditorData($page, $this->pageRepo, $request->query('editor', ''));
+        if ($editorData->getWarnings()) {
+            $this->showWarningNotification(implode("\n", $editorData->getWarnings()));
         }
 
-        // Check for a current draft version for this user
-        $userDraft = $this->pageRepo->getUserDraft($page);
-        if ($userDraft !== null) {
-            $page->forceFill($userDraft->only(['name', 'html', 'markdown']));
-            $page->isDraft = true;
-            $warnings[] = $editActivity->getEditingActiveDraftMessage($userDraft);
-        }
-
-        if (count($warnings) > 0) {
-            $this->showWarningNotification(implode("\n", $warnings));
-        }
-
-        $templates = $this->pageRepo->getTemplates(10);
-        $draftsEnabled = $this->isSignedIn();
         $this->setPageTitle(trans('entities.pages_editing_named', ['pageName' => $page->getShortName()]));
 
-        return view('pages.edit', [
-            'page'          => $page,
-            'book'          => $page->book,
-            'current'       => $page,
-            'draftsEnabled' => $draftsEnabled,
-            'templates'     => $templates,
-        ]);
+        return view('pages.edit', $editorData->getViewData());
     }
 
     /**

app/Http/Controllers/PageExportController.php

@@ -36,7 +36,7 @@ class PageExportController extends Controller
         $page->html = (new PageContent($page))->render();
         $pdfContent = $this->exportFormatter->pageToPdf($page);
 
-        return $this->downloadResponse($pdfContent, $pageSlug . '.pdf');
+        return $this->download()->directly($pdfContent, $pageSlug . '.pdf');
     }
 
     /**
@@ -51,7 +51,7 @@ class PageExportController extends Controller
         $page->html = (new PageContent($page))->render();
         $containedHtml = $this->exportFormatter->pageToContainedHtml($page);
 
-        return $this->downloadResponse($containedHtml, $pageSlug . '.html');
+        return $this->download()->directly($containedHtml, $pageSlug . '.html');
     }
 
     /**
@@ -64,7 +64,7 @@ class PageExportController extends Controller
         $page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
         $pageText = $this->exportFormatter->pageToPlainText($page);
 
-        return $this->downloadResponse($pageText, $pageSlug . '.txt');
+        return $this->download()->directly($pageText, $pageSlug . '.txt');
     }
 
     /**
@@ -77,6 +77,6 @@ class PageExportController extends Controller
         $page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
         $pageText = $this->exportFormatter->pageToMarkdown($page);
 
-        return $this->downloadResponse($pageText, $pageSlug . '.md');
+        return $this->download()->directly($pageText, $pageSlug . '.md');
     }
 }

app/Http/Controllers/PageRevisionController.php

@@ -124,11 +124,8 @@ class PageRevisionController extends Controller
             throw new NotFoundException("Revision #{$revId} not found");
         }
 
-        // Get the current revision for the page
-        $currentRevision = $page->getCurrentRevision();
-
-        // Check if its the latest revision, cannot delete latest revision.
-        if (intval($currentRevision->id) === intval($revId)) {
+        // Check if it's the latest revision, cannot delete the latest revision.
+        if (intval($page->currentRevision->id ?? null) === intval($revId)) {
             $this->showErrorNotification(trans('entities.revision_cannot_delete_latest'));
 
             return redirect($page->getUrl('/revisions'));

app/Http/Controllers/RecycleBinController.php

@@ -5,6 +5,7 @@ namespace BookStack\Http\Controllers;
 use BookStack\Actions\ActivityType;
 use BookStack\Entities\Models\Deletion;
 use BookStack\Entities\Models\Entity;
+use BookStack\Entities\Repos\DeletionRepo;
 use BookStack\Entities\Tools\TrashCan;
 
 class RecycleBinController extends Controller
@@ -73,12 +74,9 @@ class RecycleBinController extends Controller
      *
      * @throws \Exception
      */
-    public function restore(string $id)
+    public function restore(DeletionRepo $deletionRepo, string $id)
     {
-        /** @var Deletion $deletion */
-        $deletion = Deletion::query()->findOrFail($id);
-        $this->logActivity(ActivityType::RECYCLE_BIN_RESTORE, $deletion);
-        $restoreCount = (new TrashCan())->restoreFromDeletion($deletion);
+        $restoreCount = $deletionRepo->restore((int) $id);
 
         $this->showSuccessNotification(trans('settings.recycle_bin_restore_notification', ['count' => $restoreCount]));
 
@@ -103,12 +101,9 @@ class RecycleBinController extends Controller
      *
      * @throws \Exception
      */
-    public function destroy(string $id)
+    public function destroy(DeletionRepo $deletionRepo, string $id)
     {
-        /** @var Deletion $deletion */
-        $deletion = Deletion::query()->findOrFail($id);
-        $this->logActivity(ActivityType::RECYCLE_BIN_DESTROY, $deletion);
-        $deleteCount = (new TrashCan())->destroyFromDeletion($deletion);
+        $deleteCount = $deletionRepo->destroy((int) $id);
 
         $this->showSuccessNotification(trans('settings.recycle_bin_destroy_notification', ['count' => $deleteCount]));
 

app/Http/Controllers/SettingController.php

@@ -9,28 +9,37 @@ use Illuminate\Http\Request;
 
 class SettingController extends Controller
 {
-    protected $imageRepo;
+    protected ImageRepo $imageRepo;
+
+    protected array $settingCategories = ['features', 'customization', 'registration'];
 
-    /**
-     * SettingController constructor.
-     */
     public function __construct(ImageRepo $imageRepo)
     {
         $this->imageRepo = $imageRepo;
     }
 
     /**
-     * Display a listing of the settings.
+     * Handle requests to the settings index path.
      */
     public function index()
     {
+        return redirect('/settings/features');
+    }
+
+    /**
+     * Display the settings for the given category.
+     */
+    public function category(string $category)
+    {
+        $this->ensureCategoryExists($category);
         $this->checkPermission('settings-manage');
         $this->setPageTitle(trans('settings.settings'));
 
         // Get application version
         $version = trim(file_get_contents(base_path('version')));
 
-        return view('settings.index', [
+        return view('settings.' . $category, [
+            'category'  => $category,
             'version'   => $version,
             'guestUser' => User::getDefault(),
         ]);
@@ -39,8 +48,9 @@ class SettingController extends Controller
     /**
      * Update the specified settings in storage.
      */
-    public function update(Request $request)
+    public function update(Request $request, string $category)
     {
+        $this->ensureCategoryExists($category);
         $this->preventAccessInDemoMode();
         $this->checkPermission('settings-manage');
         $this->validate($request, [
@@ -57,7 +67,7 @@ class SettingController extends Controller
         }
 
         // Update logo image if set
-        if ($request->hasFile('app_logo')) {
+        if ($category === 'customization' && $request->hasFile('app_logo')) {
             $logoFile = $request->file('app_logo');
             $this->imageRepo->destroyByType('system');
             $image = $this->imageRepo->saveNew($logoFile, 'system', 0, null, 86);
@@ -65,16 +75,21 @@ class SettingController extends Controller
         }
 
         // Clear logo image if requested
-        if ($request->get('app_logo_reset', null)) {
+        if ($category === 'customization' && $request->get('app_logo_reset', null)) {
             $this->imageRepo->destroyByType('system');
             setting()->remove('app-logo');
         }
 
-        $section = $request->get('section', '');
-        $this->logActivity(ActivityType::SETTINGS_UPDATE, $section);
+        $this->logActivity(ActivityType::SETTINGS_UPDATE, $category);
         $this->showSuccessNotification(trans('settings.settings_save_success'));
-        $redirectLocation = '/settings#' . $section;
 
-        return redirect(rtrim($redirectLocation, '#'));
+        return redirect("/settings/{$category}");
+    }
+
+    protected function ensureCategoryExists(string $category): void
+    {
+        if (!in_array($category, $this->settingCategories)) {
+            abort(404);
+        }
     }
 }

app/Http/Middleware/ApplyCspRules.php

@@ -8,10 +8,7 @@ use Illuminate\Http\Request;
 
 class ApplyCspRules
 {
-    /**
-     * @var CspService
-     */
-    protected $cspService;
+    protected CspService $cspService;
 
     public function __construct(CspService $cspService)
     {
@@ -35,10 +32,8 @@ class ApplyCspRules
 
         $response = $next($request);
 
-        $this->cspService->setFrameAncestors($response);
-        $this->cspService->setScriptSrc($response);
-        $this->cspService->setObjectSrc($response);
-        $this->cspService->setBaseUri($response);
+        $cspHeader = $this->cspService->getCspHeader();
+        $response->headers->set('Content-Security-Policy', $cspHeader, false);
 
         return $response;
     }

app/Http/Middleware/Localization.php

@@ -11,7 +11,7 @@ class Localization
     /**
      * Array of right-to-left locales.
      */
-    protected $rtlLocales = ['ar', 'he'];
+    protected $rtlLocales = ['ar', 'fa', 'he'];
 
     /**
      * Map of BookStack locale names to best-estimate system locale names.
@@ -29,6 +29,8 @@ class Localization
         'es'          => 'es_ES',
         'es_AR'       => 'es_AR',
         'et'          => 'et_EE',
+        'eu'          => 'eu_ES',
+        'fa'          => 'fa_IR',
         'fr'          => 'fr_FR',
         'he'          => 'he_IL',
         'hr'          => 'hr_HR',

app/Http/Request.php

@@ -8,20 +8,38 @@ class Request extends LaravelRequest
 {
     /**
      * Override the default request methods to get the scheme and host
-     * to set the custom APP_URL, if set.
+     * to directly use the custom APP_URL, if set.
      *
-     * @return \Illuminate\Config\Repository|mixed|string
+     * @return string
      */
     public function getSchemeAndHttpHost()
     {
-        $base = config('app.url', null);
+        $appUrl = config('app.url', null);
 
-        if ($base) {
-            $base = trim($base, '/');
-        } else {
-            $base = $this->getScheme() . '://' . $this->getHttpHost();
+        if ($appUrl) {
+            return implode('/', array_slice(explode('/', $appUrl), 0, 3));
         }
 
-        return $base;
+        return parent::getSchemeAndHttpHost();
+    }
+
+    /**
+     * Override the default request methods to get the base URL
+     * to directly use the custom APP_URL, if set.
+     * The base URL never ends with a / but should start with one if not empty.
+     *
+     * @return string
+     */
+    public function getBaseUrl()
+    {
+        $appUrl = config('app.url', null);
+
+        if ($appUrl) {
+            $parsedBaseUrl = rtrim(implode('/', array_slice(explode('/', $appUrl), 3)), '/');
+
+            return empty($parsedBaseUrl) ? '' : ('/' . $parsedBaseUrl);
+        }
+
+        return parent::getBaseUrl();
     }
 }

app/Http/Responses/DownloadResponseFactory.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace BookStack\Http\Responses;
+
+use BookStack\Util\WebSafeMimeSniffer;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class DownloadResponseFactory
+{
+    protected Request $request;
+
+    public function __construct(Request $request)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * Create a response that directly forces a download in the browser.
+     */
+    public function directly(string $content, string $fileName): Response
+    {
+        return response()->make($content, 200, $this->getHeaders($fileName));
+    }
+
+    /**
+     * Create a response that forces a download, from a given stream of content.
+     */
+    public function streamedDirectly($stream, string $fileName): StreamedResponse
+    {
+        return response()->stream(function () use ($stream) {
+
+            // End & flush the output buffer, if we're in one, otherwise we still use memory.
+            // Output buffer may or may not exist depending on PHP `output_buffering` setting.
+            // Ignore in testing since output buffers are used to gather a response.
+            if (!empty(ob_get_status()) && !app()->runningUnitTests()) {
+                ob_end_clean();
+            }
+
+            fpassthru($stream);
+            fclose($stream);
+        }, 200, $this->getHeaders($fileName));
+    }
+
+    /**
+     * Create a file download response that provides the file with a content-type
+     * correct for the file, in a way so the browser can show the content in browser,
+     * for a given content stream.
+     */
+    public function streamedInline($stream, string $fileName): StreamedResponse
+    {
+        $sniffContent = fread($stream, 2000);
+        $mime = (new WebSafeMimeSniffer())->sniff($sniffContent);
+
+        return response()->stream(function () use ($sniffContent, $stream) {
+            echo $sniffContent;
+            fpassthru($stream);
+            fclose($stream);
+        }, 200, $this->getHeaders($fileName, $mime));
+    }
+
+    /**
+     * Get the common headers to provide for a download response.
+     */
+    protected function getHeaders(string $fileName, string $mime = 'application/octet-stream'): array
+    {
+        $disposition = ($mime === 'application/octet-stream') ? 'attachment' : 'inline';
+        $downloadName = str_replace('"', '', $fileName);
+
+        return [
+            'Content-Type'           => $mime,
+            'Content-Disposition'    => "{$disposition}; filename=\"{$downloadName}\"",
+            'X-Content-Type-Options' => 'nosniff',
+        ];
+    }
+}

app/Providers/AppServiceProvider.php

@@ -51,12 +51,12 @@ class AppServiceProvider extends ServiceProvider
         // Allow longer string lengths after upgrade to utf8mb4
         Schema::defaultStringLength(191);
 
-        // Set morph-map due to namespace changes
-        Relation::morphMap([
-            'BookStack\\Bookshelf' => Bookshelf::class,
-            'BookStack\\Book'      => Book::class,
-            'BookStack\\Chapter'   => Chapter::class,
-            'BookStack\\Page'      => Page::class,
+        // Set morph-map for our relations to friendlier aliases
+        Relation::enforceMorphMap([
+            'bookshelf' => Bookshelf::class,
+            'book'      => Book::class,
+            'chapter'   => Chapter::class,
+            'page'      => Page::class,
         ]);
 
         // View Composers

app/Theming/ThemeEvents.php

@@ -93,6 +93,8 @@ class ThemeEvents
      * @param string                                $event
      * @param \BookStack\Actions\Webhook            $webhook
      * @param string|\BookStack\Interfaces\Loggable $detail
+     * @param \BookStack\Auth\User                  $initiator
+     * @param int                                   $initiatedTime
      */
     const WEBHOOK_CALL_BEFORE = 'webhook_call_before';
 }

app/Uploads/AttachmentService.php

@@ -14,7 +14,7 @@ use Symfony\Component\HttpFoundation\File\UploadedFile;
 
 class AttachmentService
 {
-    protected $fileSystem;
+    protected FilesystemManager $fileSystem;
 
     /**
      * AttachmentService constructor.
@@ -64,13 +64,15 @@ class AttachmentService
     }
 
     /**
-     * Get an attachment from storage.
+     * Stream an attachment from storage.
      *
      * @throws FileNotFoundException
+     *
+     * @return resource|null
      */
-    public function getAttachmentFromStorage(Attachment $attachment): string
+    public function streamAttachmentFromStorage(Attachment $attachment)
     {
-        return $this->getStorageDisk()->get($this->adjustPathForStorageDisk($attachment->path));
+        return $this->getStorageDisk()->readStream($this->adjustPathForStorageDisk($attachment->path));
     }
 
     /**
@@ -211,8 +213,6 @@ class AttachmentService
      */
     protected function putFileInStorage(UploadedFile $uploadedFile): string
     {
-        $attachmentData = file_get_contents($uploadedFile->getRealPath());
-
         $storage = $this->getStorageDisk();
         $basePath = 'uploads/files/' . date('Y-m-M') . '/';
 
@@ -221,10 +221,11 @@ class AttachmentService
             $uploadFileName = Str::random(3) . $uploadFileName;
         }
 
+        $attachmentStream = fopen($uploadedFile->getRealPath(), 'r');
         $attachmentPath = $basePath . $uploadFileName;
 
         try {
-            $storage->put($this->adjustPathForStorageDisk($attachmentPath), $attachmentData);
+            $storage->writeStream($this->adjustPathForStorageDisk($attachmentPath), $attachmentStream);
         } catch (Exception $e) {
             Log::error('Error when attempting file upload:' . $e->getMessage());
 

app/Uploads/ImageService.php

@@ -5,6 +5,7 @@ namespace BookStack\Uploads;
 use BookStack\Exceptions\ImageUploadException;
 use ErrorException;
 use Exception;
+use GuzzleHttp\Psr7\Utils;
 use Illuminate\Contracts\Cache\Repository as Cache;
 use Illuminate\Contracts\Filesystem\FileNotFoundException;
 use Illuminate\Contracts\Filesystem\Filesystem as Storage;
@@ -14,6 +15,7 @@ use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Str;
 use Intervention\Image\Exception\NotSupportedException;
+use Intervention\Image\Image as InterventionImage;
 use Intervention\Image\ImageManager;
 use League\Flysystem\Util;
 use Psr\SimpleCache\InvalidArgumentException;
@@ -308,6 +310,8 @@ class ImageService
             throw new ImageUploadException(trans('errors.cannot_create_thumbs'));
         }
 
+        $this->orientImageToOriginalExif($thumb, $imageData);
+
         if ($keepRatio) {
             $thumb->resize($width, $height, function ($constraint) {
                 $constraint->aspectRatio();
@@ -328,6 +332,49 @@ class ImageService
         return $thumbData;
     }
 
+    /**
+     * Orientate the given intervention image based upon the given original image data.
+     * Intervention does have an `orientate` method but the exif data it needs is lost before it
+     * can be used (At least when created using binary string data) so we need to do some
+     * implementation on our side to use the original image data.
+     * Bulk of logic taken from: https://github.com/Intervention/image/blob/b734a4988b2148e7d10364b0609978a88d277536/src/Intervention/Image/Commands/OrientateCommand.php
+     * Copyright (c) Oliver Vogel, MIT License.
+     */
+    protected function orientImageToOriginalExif(InterventionImage $image, string $originalData): void
+    {
+        if (!extension_loaded('exif')) {
+            return;
+        }
+
+        $stream = Utils::streamFor($originalData)->detach();
+        $exif = @exif_read_data($stream);
+        $orientation = $exif ? ($exif['Orientation'] ?? null) : null;
+
+        switch ($orientation) {
+            case 2:
+                $image->flip();
+                break;
+            case 3:
+                $image->rotate(180);
+                break;
+            case 4:
+                $image->rotate(180)->flip();
+                break;
+            case 5:
+                $image->rotate(270)->flip();
+                break;
+            case 6:
+                $image->rotate(270);
+                break;
+            case 7:
+                $image->rotate(90)->flip();
+                break;
+            case 8:
+                $image->rotate(90);
+                break;
+        }
+    }
+
     /**
      * Get the raw data content from an image.
      *

app/Util/CspService.php

@@ -3,12 +3,10 @@
 namespace BookStack\Util;
 
 use Illuminate\Support\Str;
-use Symfony\Component\HttpFoundation\Response;
 
 class CspService
 {
-    /** @var string */
-    protected $nonce;
+    protected string $nonce;
 
     public function __construct(string $nonce = '')
     {
@@ -24,37 +22,34 @@ class CspService
     }
 
     /**
-     * Sets CSP 'script-src' headers to restrict the forms of script that can
-     * run on the page.
+     * Get the CSP headers for the application.
      */
-    public function setScriptSrc(Response $response)
+    public function getCspHeader(): string
     {
-        if (config('app.allow_content_scripts')) {
-            return;
-        }
-
-        $parts = [
-            'http:',
-            'https:',
-            '\'nonce-' . $this->nonce . '\'',
-            '\'strict-dynamic\'',
+        $headers = [
+            $this->getFrameAncestors(),
+            $this->getFrameSrc(),
+            $this->getScriptSrc(),
+            $this->getObjectSrc(),
+            $this->getBaseUri(),
         ];
 
-        $value = 'script-src ' . implode(' ', $parts);
-        $response->headers->set('Content-Security-Policy', $value, false);
+        return implode('; ', array_filter($headers));
     }
 
     /**
-     * Sets CSP "frame-ancestors" headers to restrict the hosts that BookStack can be
-     * iframed within. Also adjusts the cookie samesite options so that cookies will
-     * operate in the third-party context.
+     * Get the CSP rules for the application for a HTML meta tag.
      */
-    public function setFrameAncestors(Response $response)
+    public function getCspMetaTagValue(): string
     {
-        $iframeHosts = $this->getAllowedIframeHosts();
-        array_unshift($iframeHosts, "'self'");
-        $cspValue = 'frame-ancestors ' . implode(' ', $iframeHosts);
-        $response->headers->set('Content-Security-Policy', $cspValue, false);
+        $headers = [
+            $this->getFrameSrc(),
+            $this->getScriptSrc(),
+            $this->getObjectSrc(),
+            $this->getBaseUri(),
+        ];
+
+        return implode('; ', array_filter($headers));
     }
 
     /**
@@ -66,25 +61,67 @@ class CspService
     }
 
     /**
-     * Sets CSP 'object-src' headers to restrict the types of dynamic content
-     * that can be embedded on the page.
+     * Create CSP 'script-src' rule to restrict the forms of script that can run on the page.
      */
-    public function setObjectSrc(Response $response)
+    protected function getScriptSrc(): string
     {
         if (config('app.allow_content_scripts')) {
-            return;
+            return '';
         }
 
-        $response->headers->set('Content-Security-Policy', 'object-src \'self\'', false);
+        $parts = [
+            'http:',
+            'https:',
+            '\'nonce-' . $this->nonce . '\'',
+            '\'strict-dynamic\'',
+        ];
+
+        return 'script-src ' . implode(' ', $parts);
     }
 
     /**
-     * Sets CSP 'base-uri' headers to restrict what base tags can be set on
+     * Create CSP "frame-ancestors" rule to restrict the hosts that BookStack can be iframed within.
+     */
+    protected function getFrameAncestors(): string
+    {
+        $iframeHosts = $this->getAllowedIframeHosts();
+        array_unshift($iframeHosts, "'self'");
+
+        return 'frame-ancestors ' . implode(' ', $iframeHosts);
+    }
+
+    /**
+     * Creates CSP "frame-src" rule to restrict what hosts/sources can be loaded
+     * within iframes to provide an allow-list-style approach to iframe content.
+     */
+    protected function getFrameSrc(): string
+    {
+        $iframeHosts = $this->getAllowedIframeSources();
+        array_unshift($iframeHosts, "'self'");
+
+        return 'frame-src ' . implode(' ', $iframeHosts);
+    }
+
+    /**
+     * Creates CSP 'object-src' rule to restrict the types of dynamic content
+     * that can be embedded on the page.
+     */
+    protected function getObjectSrc(): string
+    {
+        if (config('app.allow_content_scripts')) {
+            return '';
+        }
+
+        return "object-src 'self'";
+    }
+
+    /**
+     * Creates CSP 'base-uri' rule to restrict what base tags can be set on
      * the page to prevent manipulation of relative links.
      */
-    public function setBaseUri(Response $response)
+    protected function getBaseUri(): string
     {
-        $response->headers->set('Content-Security-Policy', 'base-uri \'self\'', false);
+        return "base-uri 'self'";
     }
 
     protected function getAllowedIframeHosts(): array
@@ -93,4 +130,21 @@ class CspService
 
         return array_filter(explode(' ', $hosts));
     }
+
+    protected function getAllowedIframeSources(): array
+    {
+        $sources = config('app.iframe_sources', '');
+        $hosts = array_filter(explode(' ', $sources));
+
+        // Extract drawing service url to allow embedding if active
+        $drawioConfigValue = config('services.drawio');
+        if ($drawioConfigValue) {
+            $drawioSource = is_string($drawioConfigValue) ? $drawioConfigValue : 'https://embed.diagrams.net/';
+            $drawioSourceParsed = parse_url($drawioSource);
+            $drawioHost = $drawioSourceParsed['scheme'] . '://' . $drawioSourceParsed['host'];
+            $hosts[] = $drawioHost;
+        }
+
+        return $hosts;
+    }
 }

app/Util/WebSafeMimeSniffer.php

@@ -17,6 +17,14 @@ class WebSafeMimeSniffer
         'application/json',
         'application/octet-stream',
         'application/pdf',
+        'audio/aac',
+        'audio/midi',
+        'audio/mpeg',
+        'audio/ogg',
+        'audio/opus',
+        'audio/wav',
+        'audio/webm',
+        'audio/x-m4a',
         'image/apng',
         'image/bmp',
         'image/jpeg',

database/factories/Auth/RoleFactory.php

@@ -21,8 +21,9 @@ class RoleFactory extends Factory
     public function definition()
     {
         return [
-            'display_name' => $this->faker->sentence(3),
-            'description'  => $this->faker->sentence(10),
+            'display_name'     => $this->faker->sentence(3),
+            'description'      => $this->faker->sentence(10),
+            'external_auth_id' => '',
         ];
     }
 }

database/migrations/2022_04_17_101741_add_editor_change_field_and_permission.php

@@ -0,0 +1,62 @@
+<?php
+
+use Carbon\Carbon;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+class AddEditorChangeFieldAndPermission extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        // Add the new 'editor' column to the pages table
+        Schema::table('pages', function (Blueprint $table) {
+            $table->string('editor', 50)->default('');
+        });
+
+        // Populate the new 'editor' column
+        // We set it to 'markdown' for pages currently with markdown content
+        DB::table('pages')->where('markdown', '!=', '')->update(['editor' => 'markdown']);
+        // We set it to 'wysiwyg' where we have HTML but no markdown
+        DB::table('pages')->where('markdown', '=', '')
+            ->where('html', '!=', '')
+            ->update(['editor' => 'wysiwyg']);
+
+        // Give the admin user permission to change the editor
+        $adminRoleId = DB::table('roles')->where('system_name', '=', 'admin')->first()->id;
+
+        $permissionId = DB::table('role_permissions')->insertGetId([
+            'name'         => 'editor-change',
+            'display_name' => 'Change page editor',
+            'created_at'   => Carbon::now()->toDateTimeString(),
+            'updated_at'   => Carbon::now()->toDateTimeString(),
+        ]);
+
+        DB::table('permission_role')->insert([
+            'role_id'       => $adminRoleId,
+            'permission_id' => $permissionId,
+        ]);
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        // Drop the new column from the pages table
+        Schema::table('pages', function (Blueprint $table) {
+            $table->dropColumn('editor');
+        });
+
+        // Remove traces of the role permission
+        DB::table('role_permissions')->where('name', '=', 'editor-change')->delete();
+    }
+}

database/migrations/2022_04_25_140741_update_polymorphic_types.php

@@ -0,0 +1,64 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+class UpdatePolymorphicTypes extends Migration
+{
+    /**
+     * Mapping of old polymorphic types to new simpler values.
+     */
+    protected $changeMap = [
+        'BookStack\\Bookshelf' => 'bookshelf',
+        'BookStack\\Book'      => 'book',
+        'BookStack\\Chapter'   => 'chapter',
+        'BookStack\\Page'      => 'page',
+    ];
+
+    /**
+     * Mapping of tables and columns that contain polymorphic types.
+     */
+    protected $columnsByTable = [
+        'activities'         => 'entity_type',
+        'comments'           => 'entity_type',
+        'deletions'          => 'deletable_type',
+        'entity_permissions' => 'restrictable_type',
+        'favourites'         => 'favouritable_type',
+        'joint_permissions'  => 'entity_type',
+        'search_terms'       => 'entity_type',
+        'tags'               => 'entity_type',
+        'views'              => 'viewable_type',
+    ];
+
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        foreach ($this->columnsByTable as $table => $column) {
+            foreach ($this->changeMap as $oldVal => $newVal) {
+                DB::table($table)
+                    ->where([$column => $oldVal])
+                    ->update([$column => $newVal]);
+            }
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        foreach ($this->columnsByTable as $table => $column) {
+            foreach ($this->changeMap as $oldVal => $newVal) {
+                DB::table($table)
+                    ->where([$column => $newVal])
+                    ->update([$column => $oldVal]);
+            }
+        }
+    }
+}

dev/api/responses/books-list.json

@@ -9,8 +9,7 @@
       "updated_at": "2019-12-11T20:57:31.000000Z",
       "created_by": 1,
       "updated_by": 1,
-      "owned_by": 1,
-      "image_id": 3
+      "owned_by": 1
     },
     {
       "id": 2,
@@ -21,8 +20,7 @@
       "updated_at": "2019-12-11T20:57:23.000000Z",
       "created_by": 4,
       "updated_by": 3,
-      "owned_by": 3,
-      "image_id": 34
+      "owned_by": 3
     }
   ],
   "total": 14

dev/api/responses/books-update.json

@@ -7,6 +7,5 @@
   "updated_at": "2020-01-12T14:16:10.000000Z",
   "created_by": 1,
   "updated_by": 1,
-  "owned_by": 1,
-  "image_id": 452
+  "owned_by": 1
 }

dev/api/responses/recycle-bin-destroy.json

@@ -0,0 +1,3 @@
+{
+  "delete_count": 2
+}

dev/api/responses/recycle-bin-list.json

@@ -0,0 +1,64 @@
+{
+  "data": [
+    {
+      "id": 18,
+      "deleted_by": 1,
+      "created_at": "2022-04-20T12:57:46.000000Z",
+      "updated_at": "2022-04-20T12:57:46.000000Z",
+      "deletable_type": "page",
+      "deletable_id": 2582,
+      "deletable": {
+        "id": 2582,
+        "book_id": 25,
+        "chapter_id": 0,
+        "name": "A Wonderful Page",
+        "slug": "a-wonderful-page",
+        "priority": 9,
+        "created_at": "2022-02-08T00:44:45.000000Z",
+        "updated_at": "2022-04-20T12:57:46.000000Z",
+        "created_by": 1,
+        "updated_by": 1,
+        "draft": false,
+        "revision_count": 1,
+        "template": false,
+        "owned_by": 1,
+        "editor": "wysiwyg",
+        "book_slug": "a-great-book",
+        "parent": {
+          "id": 25,
+          "name": "A Great Book",
+          "slug": "a-great-book",
+          "description": "",
+          "created_at": "2022-01-24T16:14:28.000000Z",
+          "updated_at": "2022-03-06T15:14:50.000000Z",
+          "created_by": 1,
+          "updated_by": 1,
+          "owned_by": 1,
+          "type": "book"
+        }
+      }
+    },
+    {
+      "id": 19,
+      "deleted_by": 1,
+      "created_at": "2022-04-25T16:07:46.000000Z",
+      "updated_at": "2022-04-25T16:07:46.000000Z",
+      "deletable_type": "book",
+      "deletable_id": 13,
+      "deletable": {
+        "id": 13,
+        "name": "A Big Book!",
+        "slug": "a-big-book",
+        "description": "This is a very large book with loads of cool stuff in it!",
+        "created_at": "2021-11-08T11:26:43.000000Z",
+        "updated_at": "2022-04-25T16:07:47.000000Z",
+        "created_by": 27,
+        "updated_by": 1,
+        "owned_by": 1,
+        "pages_count": 208,
+        "chapters_count": 50
+      }
+    }
+  ],
+  "total": 2
+}

dev/api/responses/recycle-bin-restore.json

@@ -0,0 +1,3 @@
+{
+  "restore_count": 2
+}

dev/api/responses/shelves-list.json

@@ -9,8 +9,7 @@
       "updated_at": "2020-04-10T13:00:45.000000Z",
       "created_by": 4,
       "updated_by": 1,
-      "owned_by": 1,
-      "image_id": 31
+      "owned_by": 1
     },
     {
       "id": 9,
@@ -21,8 +20,7 @@
       "updated_at": "2020-04-10T13:00:58.000000Z",
       "created_by": 4,
       "updated_by": 1,
-      "owned_by": 1,
-      "image_id": 28
+      "owned_by": 1
     },
     {
       "id": 10,
@@ -33,8 +31,7 @@
       "updated_at": "2020-04-10T13:00:53.000000Z",
       "created_by": 4,
       "updated_by": 1,
-      "owned_by": 4,
-      "image_id": 30
+      "owned_by": 4
     }
   ],
   "total": 3

dev/api/responses/shelves-update.json

@@ -6,7 +6,6 @@
   "created_by": 1,
   "updated_by": 1,
   "owned_by": 1,
-  "image_id": 501,
   "created_at": "2020-04-10T13:24:09.000000Z",
   "updated_at": "2020-04-10T13:48:22.000000Z"
 }

dev/build/esbuild.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+const esbuild = require('esbuild');
+const fs = require('fs');
+const path = require('path');
+
+// Check if we're building for production
+// (Set via passing `production` as first argument)
+const isProd = process.argv[2] === 'production';
+
+// Gather our input files
+const jsInDir = path.join(__dirname, '../../resources/js');
+const jsInDirFiles = fs.readdirSync(jsInDir, 'utf8');
+const entryFiles = jsInDirFiles
+    .filter(f => f.endsWith('.js') || f.endsWith('.mjs'))
+    .map(f => path.join(jsInDir, f));
+
+// Locate our output directory
+const outDir = path.join(__dirname, '../../public/dist');
+
+// Build via esbuild
+esbuild.build({
+    bundle: true,
+    entryPoints: entryFiles,
+    outdir: outDir,
+    sourcemap: true,
+    target: 'es2020',
+    mainFields: ['module', 'main'],
+    format: 'esm',
+    minify: isProd,
+    logLevel: "info",
+}).catch(() => process.exit(1));

package-lock.json

@@ -4,28 +4,28 @@
   "requires": true,
   "packages": {
     "": {
-      "name": "bookstack",
       "dependencies": {
-        "clipboard": "^2.0.10",
-        "codemirror": "^5.65.2",
+        "clipboard": "^2.0.11",
+        "codemirror": "^5.65.5",
         "dropzone": "^5.9.3",
-        "markdown-it": "^12.3.2",
+        "markdown-it": "^13.0.1",
         "markdown-it-task-lists": "^2.1.1",
-        "sortablejs": "^1.14.0"
+        "snabbdom": "^3.5.0",
+        "sortablejs": "^1.15.0"
       },
       "devDependencies": {
         "chokidar-cli": "^3.0",
-        "esbuild": "0.14.23",
+        "esbuild": "0.14.42",
         "livereload": "^0.9.3",
         "npm-run-all": "^4.1.5",
         "punycode": "^2.1.1",
-        "sass": "^1.49.8"
+        "sass": "^1.52.1"
       }
     },
     "node_modules/ansi-regex": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
-      "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.1.tgz",
+      "integrity": "sha512-ILlv4k/3f6vfQ4OoP2AGvirOktlQ98ZEL1k9FaQjxa3L1abBgbuTDAdPOpvbGncC0BTVQrl+OM8xZGK6tWXt7g==",
       "dev": true,
       "engines": {
         "node": ">=6"
@@ -174,9 +174,9 @@
       }
     },
     "node_modules/clipboard": {
-      "version": "2.0.10",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.10.tgz",
-      "integrity": "sha512-cz3m2YVwFz95qSEbCDi2fzLN/epEN9zXBvfgAoGkvGOJZATMl9gtTDVOtBYkx2ODUJl2kvmud7n32sV2BpYR4g==",
+      "version": "2.0.11",
+      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.11.tgz",
+      "integrity": "sha512-C+0bbOqkezLIsmWSvlsXS0Q0bmkugu7jcfMIACB+RDEntIzQIkdr148we28AfSloQLRdZlYL/QYyrq05j/3Faw==",
       "dependencies": {
         "good-listener": "^1.2.2",
         "select": "^1.1.2",
@@ -195,9 +195,9 @@
       }
     },
     "node_modules/codemirror": {
-      "version": "5.65.2",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.65.2.tgz",
-      "integrity": "sha512-SZM4Zq7XEC8Fhroqe3LxbEEX1zUPWH1wMr5zxiBuiUF64iYOUH/JI88v4tBag8MiBS8B8gRv8O1pPXGYXQ4ErA=="
+      "version": "5.65.5",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.65.5.tgz",
+      "integrity": "sha512-HNyhvGLnYz5c+kIsB9QKVitiZUevha3ovbIYaQiGzKo7ECSL/elWD9RXt3JgNr0NdnyqE9/Rc/7uLfkJQL638w=="
     },
     "node_modules/color-convert": {
       "version": "1.9.3",
@@ -274,9 +274,12 @@
       "dev": true
     },
     "node_modules/entities": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/entities/-/entities-2.1.0.tgz",
-      "integrity": "sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-3.0.1.tgz",
+      "integrity": "sha512-WiyBqoomrwMdFG1e0kqvASYfnlb0lp8M5o5Fw2OFq1hNZxxcNk8Ik0Xm7LxzBhuidnZB/UtBqVCgUz3kBOP51Q==",
+      "engines": {
+        "node": ">=0.12"
+      },
       "funding": {
         "url": "https://github.com/fb55/entities?sponsor=1"
       }
@@ -342,9 +345,9 @@
       }
     },
     "node_modules/esbuild": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.14.23.tgz",
-      "integrity": "sha512-XjnIcZ9KB6lfonCa+jRguXyRYcldmkyZ99ieDksqW/C8bnyEX299yA4QH2XcgijCgaddEZePPTgvx/2imsq7Ig==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.14.42.tgz",
+      "integrity": "sha512-V0uPZotCEHokJdNqyozH6qsaQXqmZEOiZWrXnds/zaH/0SyrIayRXWRB98CENO73MIZ9T3HBIOsmds5twWtmgw==",
       "dev": true,
       "hasInstallScript": true,
       "bin": {
@@ -354,31 +357,48 @@
         "node": ">=12"
       },
       "optionalDependencies": {
-        "esbuild-android-arm64": "0.14.23",
-        "esbuild-darwin-64": "0.14.23",
-        "esbuild-darwin-arm64": "0.14.23",
-        "esbuild-freebsd-64": "0.14.23",
-        "esbuild-freebsd-arm64": "0.14.23",
-        "esbuild-linux-32": "0.14.23",
-        "esbuild-linux-64": "0.14.23",
-        "esbuild-linux-arm": "0.14.23",
-        "esbuild-linux-arm64": "0.14.23",
-        "esbuild-linux-mips64le": "0.14.23",
-        "esbuild-linux-ppc64le": "0.14.23",
-        "esbuild-linux-riscv64": "0.14.23",
-        "esbuild-linux-s390x": "0.14.23",
-        "esbuild-netbsd-64": "0.14.23",
-        "esbuild-openbsd-64": "0.14.23",
-        "esbuild-sunos-64": "0.14.23",
-        "esbuild-windows-32": "0.14.23",
-        "esbuild-windows-64": "0.14.23",
-        "esbuild-windows-arm64": "0.14.23"
+        "esbuild-android-64": "0.14.42",
+        "esbuild-android-arm64": "0.14.42",
+        "esbuild-darwin-64": "0.14.42",
+        "esbuild-darwin-arm64": "0.14.42",
+        "esbuild-freebsd-64": "0.14.42",
+        "esbuild-freebsd-arm64": "0.14.42",
+        "esbuild-linux-32": "0.14.42",
+        "esbuild-linux-64": "0.14.42",
+        "esbuild-linux-arm": "0.14.42",
+        "esbuild-linux-arm64": "0.14.42",
+        "esbuild-linux-mips64le": "0.14.42",
+        "esbuild-linux-ppc64le": "0.14.42",
+        "esbuild-linux-riscv64": "0.14.42",
+        "esbuild-linux-s390x": "0.14.42",
+        "esbuild-netbsd-64": "0.14.42",
+        "esbuild-openbsd-64": "0.14.42",
+        "esbuild-sunos-64": "0.14.42",
+        "esbuild-windows-32": "0.14.42",
+        "esbuild-windows-64": "0.14.42",
+        "esbuild-windows-arm64": "0.14.42"
+      }
+    },
+    "node_modules/esbuild-android-64": {
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-android-64/-/esbuild-android-64-0.14.42.tgz",
+      "integrity": "sha512-P4Y36VUtRhK/zivqGVMqhptSrFILAGlYp0Z8r9UQqHJ3iWztRCNWnlBzD9HRx0DbueXikzOiwyOri+ojAFfW6A==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
       }
     },
     "node_modules/esbuild-android-arm64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-android-arm64/-/esbuild-android-arm64-0.14.23.tgz",
-      "integrity": "sha512-k9sXem++mINrZty1v4FVt6nC5BQCFG4K2geCIUUqHNlTdFnuvcqsY7prcKZLFhqVC1rbcJAr9VSUGFL/vD4vsw==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-android-arm64/-/esbuild-android-arm64-0.14.42.tgz",
+      "integrity": "sha512-0cOqCubq+RWScPqvtQdjXG3Czb3AWI2CaKw3HeXry2eoA2rrPr85HF7IpdU26UWdBXgPYtlTN1LUiuXbboROhg==",
       "cpu": [
         "arm64"
       ],
@@ -392,9 +412,9 @@
       }
     },
     "node_modules/esbuild-darwin-64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-darwin-64/-/esbuild-darwin-64-0.14.23.tgz",
-      "integrity": "sha512-lB0XRbtOYYL1tLcYw8BoBaYsFYiR48RPrA0KfA/7RFTr4MV7Bwy/J4+7nLsVnv9FGuQummM3uJ93J3ptaTqFug==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-darwin-64/-/esbuild-darwin-64-0.14.42.tgz",
+      "integrity": "sha512-ipiBdCA3ZjYgRfRLdQwP82rTiv/YVMtW36hTvAN5ZKAIfxBOyPXY7Cejp3bMXWgzKD8B6O+zoMzh01GZsCuEIA==",
       "cpu": [
         "x64"
       ],
@@ -408,9 +428,9 @@
       }
     },
     "node_modules/esbuild-darwin-arm64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-darwin-arm64/-/esbuild-darwin-arm64-0.14.23.tgz",
-      "integrity": "sha512-yat73Z/uJ5tRcfRiI4CCTv0FSnwErm3BJQeZAh+1tIP0TUNh6o+mXg338Zl5EKChD+YGp6PN+Dbhs7qa34RxSw==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-darwin-arm64/-/esbuild-darwin-arm64-0.14.42.tgz",
+      "integrity": "sha512-bU2tHRqTPOaoH/4m0zYHbFWpiYDmaA0gt90/3BMEFaM0PqVK/a6MA2V/ypV5PO0v8QxN6gH5hBPY4YJ2lopXgA==",
       "cpu": [
         "arm64"
       ],
@@ -424,9 +444,9 @@
       }
     },
     "node_modules/esbuild-freebsd-64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-freebsd-64/-/esbuild-freebsd-64-0.14.23.tgz",
-      "integrity": "sha512-/1xiTjoLuQ+LlbfjJdKkX45qK/M7ARrbLmyf7x3JhyQGMjcxRYVR6Dw81uH3qlMHwT4cfLW4aEVBhP1aNV7VsA==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-freebsd-64/-/esbuild-freebsd-64-0.14.42.tgz",
+      "integrity": "sha512-75h1+22Ivy07+QvxHyhVqOdekupiTZVLN1PMwCDonAqyXd8TVNJfIRFrdL8QmSJrOJJ5h8H1I9ETyl2L8LQDaw==",
       "cpu": [
         "x64"
       ],
@@ -440,9 +460,9 @@
       }
     },
     "node_modules/esbuild-freebsd-arm64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-freebsd-arm64/-/esbuild-freebsd-arm64-0.14.23.tgz",
-      "integrity": "sha512-uyPqBU/Zcp6yEAZS4LKj5jEE0q2s4HmlMBIPzbW6cTunZ8cyvjG6YWpIZXb1KK3KTJDe62ltCrk3VzmWHp+iLg==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-freebsd-arm64/-/esbuild-freebsd-arm64-0.14.42.tgz",
+      "integrity": "sha512-W6Jebeu5TTDQMJUJVarEzRU9LlKpNkPBbjqSu+GUPTHDCly5zZEQq9uHkmHHl7OKm+mQ2zFySN83nmfCeZCyNA==",
       "cpu": [
         "arm64"
       ],
@@ -456,9 +476,9 @@
       }
     },
     "node_modules/esbuild-linux-32": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-linux-32/-/esbuild-linux-32-0.14.23.tgz",
-      "integrity": "sha512-37R/WMkQyUfNhbH7aJrr1uCjDVdnPeTHGeDhZPUNhfoHV0lQuZNCKuNnDvlH/u/nwIYZNdVvz1Igv5rY/zfrzQ==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-linux-32/-/esbuild-linux-32-0.14.42.tgz",
+      "integrity": "sha512-Ooy/Bj+mJ1z4jlWcK5Dl6SlPlCgQB9zg1UrTCeY8XagvuWZ4qGPyYEWGkT94HUsRi2hKsXvcs6ThTOjBaJSMfg==",
       "cpu": [
         "ia32"
       ],
@@ -472,9 +492,9 @@
       }
     },
     "node_modules/esbuild-linux-64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-linux-64/-/esbuild-linux-64-0.14.23.tgz",
-      "integrity": "sha512-H0gztDP60qqr8zoFhAO64waoN5yBXkmYCElFklpd6LPoobtNGNnDe99xOQm28+fuD75YJ7GKHzp/MLCLhw2+vQ==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-linux-64/-/esbuild-linux-64-0.14.42.tgz",
+      "integrity": "sha512-2L0HbzQfbTuemUWfVqNIjOfaTRt9zsvjnme6lnr7/MO9toz/MJ5tZhjqrG6uDWDxhsaHI2/nsDgrv8uEEN2eoA==",
       "cpu": [
         "x64"
       ],
@@ -488,9 +508,9 @@
       }
     },
     "node_modules/esbuild-linux-arm": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-linux-arm/-/esbuild-linux-arm-0.14.23.tgz",
-      "integrity": "sha512-x64CEUxi8+EzOAIpCUeuni0bZfzPw/65r8tC5cy5zOq9dY7ysOi5EVQHnzaxS+1NmV+/RVRpmrzGw1QgY2Xpmw==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-linux-arm/-/esbuild-linux-arm-0.14.42.tgz",
+      "integrity": "sha512-STq69yzCMhdRaWnh29UYrLSr/qaWMm/KqwaRF1pMEK7kDiagaXhSL1zQGXbYv94GuGY/zAwzK98+6idCMUOOCg==",
       "cpu": [
         "arm"
       ],
@@ -504,9 +524,9 @@
       }
     },
     "node_modules/esbuild-linux-arm64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-linux-arm64/-/esbuild-linux-arm64-0.14.23.tgz",
-      "integrity": "sha512-c4MLOIByNHR55n3KoYf9hYDfBRghMjOiHLaoYLhkQkIabb452RWi+HsNgB41sUpSlOAqfpqKPFNg7VrxL3UX9g==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-linux-arm64/-/esbuild-linux-arm64-0.14.42.tgz",
+      "integrity": "sha512-c3Ug3e9JpVr8jAcfbhirtpBauLxzYPpycjWulD71CF6ZSY26tvzmXMJYooQ2YKqDY4e/fPu5K8bm7MiXMnyxuA==",
       "cpu": [
         "arm64"
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@@ -520,9 +540,9 @@
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+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-windows-64/-/esbuild-windows-64-0.14.42.tgz",
+      "integrity": "sha512-j3cdK+Y3+a5H0wHKmLGTJcq0+/2mMBHPWkItR3vytp/aUGD/ua/t2BLdfBIzbNN9nLCRL9sywCRpOpFMx3CxzA==",
       "dev": true,
       "optional": true
     },
     "esbuild-windows-arm64": {
-      "version": "0.14.23",
-      "resolved": "https://registry.npmjs.org/esbuild-windows-arm64/-/esbuild-windows-arm64-0.14.23.tgz",
-      "integrity": "sha512-cTFaQqT2+ik9e4hePvYtRZQ3pqOvKDVNarzql0VFIzhc0tru/ZgdLoXd6epLiKT+SzoSce6V9YJ+nn6RCn6SHw==",
+      "version": "0.14.42",
+      "resolved": "https://registry.npmjs.org/esbuild-windows-arm64/-/esbuild-windows-arm64-0.14.42.tgz",
+      "integrity": "sha512-+lRAARnF+hf8J0mN27ujO+VbhPbDqJ8rCcJKye4y7YZLV6C4n3pTRThAb388k/zqF5uM0lS5O201u0OqoWSicw==",
       "dev": true,
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@@ -2591,9 +2627,9 @@
       "dev": true
     },
     "linkify-it": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.3.tgz",
-      "integrity": "sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-4.0.1.tgz",
+      "integrity": "sha512-C7bfi1UZmoj8+PQx22XyeXCuBlokoyWQL5pWSP+EI6nzRylyThouddufc2c1NDIcP9k5agmN9fLpA7VNJfIiqw==",
       "requires": {
         "uc.micro": "^1.0.1"
       }
@@ -2651,13 +2687,13 @@
       "dev": true
     },
     "markdown-it": {
-      "version": "12.3.2",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.3.2.tgz",
-      "integrity": "sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==",
+      "version": "13.0.1",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-13.0.1.tgz",
+      "integrity": "sha512-lTlxriVoy2criHP0JKRhO2VDG9c2ypWCsT237eDiLqi09rmbKoUetyGHq2uOIRoRS//kfoJckS0eUzzkDR+k2Q==",
       "requires": {
         "argparse": "^2.0.1",
-        "entities": "~2.1.0",
-        "linkify-it": "^3.0.1",
+        "entities": "~3.0.1",
+        "linkify-it": "^4.0.1",
         "mdurl": "^1.0.1",
         "uc.micro": "^1.0.5"
       }
@@ -2886,9 +2922,9 @@
       }
     },
     "sass": {
-      "version": "1.49.8",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.49.8.tgz",
-      "integrity": "sha512-NoGOjvDDOU9og9oAxhRnap71QaTjjlzrvLnKecUJ3GxhaQBrV6e7gPuSPF28u1OcVAArVojPAe4ZhOXwwC4tGw==",
+      "version": "1.52.1",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.52.1.tgz",
+      "integrity": "sha512-fSzYTbr7z8oQnVJ3Acp9hV80dM1fkMN7mSD/25mpcct9F7FPBMOI8krEYALgU1aZoqGhQNhTPsuSmxjnIvAm4Q==",
       "dev": true,
       "requires": {
         "chokidar": ">=3.0.0 <4.0.0",
@@ -2945,10 +2981,15 @@
         "object-inspect": "^1.9.0"
       }
     },
+    "snabbdom": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/snabbdom/-/snabbdom-3.5.0.tgz",
+      "integrity": "sha512-Ff5BKG18KrrPuskHJlA9aujPHqEabItaDl96l7ZZndF4zt5AYSczz7ZjjgQAX5IBd5cd25lw9NfgX21yVUJ+9g=="
+    },
     "sortablejs": {
-      "version": "1.14.0",
-      "resolved": "https://registry.npmjs.org/sortablejs/-/sortablejs-1.14.0.tgz",
-      "integrity": "sha512-pBXvQCs5/33fdN1/39pPL0NZF20LeRbLQ5jtnheIPN9JQAaufGjKdWduZn4U7wCtVuzKhmRkI0DFYHYRbB2H1w=="
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/sortablejs/-/sortablejs-1.15.0.tgz",
+      "integrity": "sha512-bv9qgVMjUMf89wAvM6AxVvS/4MX3sPeN0+agqShejLU5z5GX4C75ow1O2e5k4L6XItUyAK3gH6AxSbXrOM5e8w=="
     },
     "source-map-js": {
       "version": "1.0.2",

package.json

@@ -1,12 +1,12 @@
 {
   "private": true,
   "scripts": {
-    "build:css:dev": "sass ./resources/sass:./public/dist",
-    "build:css:watch": "sass ./resources/sass:./public/dist --watch",
+    "build:css:dev": "sass ./resources/sass:./public/dist --embed-sources",
+    "build:css:watch": "sass ./resources/sass:./public/dist --watch --embed-sources",
     "build:css:production": "sass ./resources/sass:./public/dist -s compressed",
-    "build:js:dev": "esbuild --bundle ./resources/js/*.{js,mjs} --outdir=public/dist/ --sourcemap --target=es2020 --main-fields=module,main --format=esm",
+    "build:js:dev": "node dev/build/esbuild.js",
     "build:js:watch": "chokidar --initial \"./resources/**/*.js\" -c \"npm run build:js:dev\"",
-    "build:js:production": "NODE_ENV=production esbuild --bundle ./resources/js/*.{js,mjs} --outdir=public/dist/ --sourcemap --target=es2020 --main-fields=module,main --minify --format=esm",
+    "build:js:production": "node dev/build/esbuild.js production",
     "build": "npm-run-all --parallel build:*:dev",
     "production": "npm-run-all --parallel build:*:production",
     "dev": "npm-run-all --parallel watch livereload",
@@ -16,18 +16,19 @@
   },
   "devDependencies": {
     "chokidar-cli": "^3.0",
-    "esbuild": "0.14.23",
+    "esbuild": "0.14.42",
     "livereload": "^0.9.3",
     "npm-run-all": "^4.1.5",
     "punycode": "^2.1.1",
-    "sass": "^1.49.8"
+    "sass": "^1.52.1"
   },
   "dependencies": {
-    "clipboard": "^2.0.10",
-    "codemirror": "^5.65.2",
+    "clipboard": "^2.0.11",
+    "codemirror": "^5.65.5",
     "dropzone": "^5.9.3",
-    "markdown-it": "^12.3.2",
+    "markdown-it": "^13.0.1",
     "markdown-it-task-lists": "^2.1.1",
-    "sortablejs": "^1.14.0"
+    "snabbdom": "^3.5.0",
+    "sortablejs": "^1.15.0"
   }
 }

phpstan.neon.dist

@@ -9,7 +9,7 @@ parameters:
     # The level 8 is the highest level
     level: 1
 
-    phpVersion: 70300
+    phpVersion: 70400
 
     bootstrapFiles:
       - bootstrap/phpstan.php

phpunit.xml

@@ -29,11 +29,14 @@
     <server name="MAIL_DRIVER" value="array"/>
     <server name="LOG_CHANNEL" value="single"/>
     <server name="AUTH_METHOD" value="standard"/>
+    <server name="AUTH_AUTO_INITIATE" value="false"/>
     <server name="DISABLE_EXTERNAL_SERVICES" value="true"/>
     <server name="ALLOW_UNTRUSTED_SERVER_FETCHING" value="false"/>
     <server name="AVATAR_URL" value=""/>
     <server name="LDAP_START_TLS" value="false"/>
     <server name="LDAP_VERSION" value="3"/>
+    <server name="LDAP_DUMP_USER_DETAILS" value="false"/>
+    <server name="LDAP_DUMP_USER_GROUPS" value="false"/>
     <server name="SESSION_SECURE_COOKIE" value="null"/>
     <server name="STORAGE_TYPE" value="local"/>
     <server name="STORAGE_ATTACHMENT_TYPE" value="local"/>

readme.md

@@ -63,7 +63,7 @@ Below is a high-level road map view for BookStack to provide a sense of directio
 
 - **Platform REST API** - *(Most actions implemented, maturing)*
     - *A REST API covering, at minimum, control of core content models (Books, Chapters, Pages) for automation and platform extension.*
-- **Editor Alignment & Review** - *(Started)*
+- **Editor Alignment & Review** - *(In Progress)*
     - *Review the page editors with goal of achieving increased interoperability & feature parity while also considering collaborative editing potential.*
 - **Permission System Review**
     - *Improvement in how permissions are applied and a review of the efficiency of the permission & roles system.*

resources/icons/download.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M16.59 9H15V4c0-.55-.45-1-1-1h-4c-.55 0-1 .45-1 1v5H7.41c-.89 0-1.34 1.08-.71 1.71l4.59 4.59c.39.39 1.02.39 1.41 0l4.59-4.59c.63-.63.19-1.71-.7-1.71zM5 19c0 .55.45 1 1 1h12c.55 0 1-.45 1-1s-.45-1-1-1H6c-.55 0-1 .45-1 1z"/></svg>

resources/icons/palette.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12,2C6.49,2,2,6.49,2,12s4.49,10,10,10c1.38,0,2.5-1.12,2.5-2.5c0-0.61-0.23-1.2-0.64-1.67c-0.08-0.1-0.13-0.21-0.13-0.33 c0-0.28,0.22-0.5,0.5-0.5H16c3.31,0,6-2.69,6-6C22,6.04,17.51,2,12,2z M17.5,13c-0.83,0-1.5-0.67-1.5-1.5c0-0.83,0.67-1.5,1.5-1.5 s1.5,0.67,1.5,1.5C19,12.33,18.33,13,17.5,13z M14.5,9C13.67,9,13,8.33,13,7.5C13,6.67,13.67,6,14.5,6S16,6.67,16,7.5 C16,8.33,15.33,9,14.5,9z M5,11.5C5,10.67,5.67,10,6.5,10S8,10.67,8,11.5C8,12.33,7.33,13,6.5,13S5,12.33,5,11.5z M11,7.5 C11,8.33,10.33,9,9.5,9S8,8.33,8,7.5C8,6.67,8.67,6,9.5,6S11,6.67,11,7.5z"/></svg>

resources/icons/swap-horizontal.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M6.99 16H14v-2H6.99v-3L3 15l3.99 4ZM21 9l-3.99-4v3H10v2h7.01v3z"/></svg>

resources/js/code.mjs

@@ -25,6 +25,7 @@ import 'codemirror/mode/ruby/ruby';
 import 'codemirror/mode/rust/rust';
 import 'codemirror/mode/shell/shell';
 import 'codemirror/mode/sql/sql';
+import 'codemirror/mode/stex/stex';
 import 'codemirror/mode/toml/toml';
 import 'codemirror/mode/vb/vb';
 import 'codemirror/mode/vbscript/vbscript';
@@ -49,16 +50,19 @@ const modeMap = {
     diff: 'diff',
     for: 'fortran',
     fortran: 'fortran',
+    'f#': 'text/x-fsharp',
+    fsharp: 'text/x-fsharp',
     go: 'go',
     haskell: 'haskell',
     hs: 'haskell',
     html: 'htmlmixed',
     ini: 'properties',
-    javascript: 'javascript',
-    json: {name: 'javascript', json: true},
-    js: 'javascript',
-    jl: 'julia',
-    julia: 'julia',
+    javascript: 'text/javascript',
+    json: 'application/json',
+    js: 'text/javascript',
+    jl: 'text/x-julia',
+    julia: 'text/x-julia',
+    latex: 'text/x-stex',
     lua: 'lua',
     md: 'markdown',
     mdown: 'markdown',
@@ -69,7 +73,7 @@ const modeMap = {
     pl: 'perl',
     powershell: 'powershell',
     properties: 'properties',
-    ocaml: 'mllike',
+    ocaml: 'text/x-ocaml',
     pascal: 'text/x-pascal',
     pas: 'text/x-pascal',
     php: (content) => {
@@ -83,8 +87,11 @@ const modeMap = {
     rs: 'rust',
     shell: 'shell',
     sh: 'shell',
+    stext: 'text/x-stex',
     bash: 'shell',
     toml: 'toml',
+    ts: 'text/typescript',
+    typescript: 'text/typescript',
     sql: 'text/x-sql',
     vbs: 'vbscript',
     vbscript: 'vbscript',
@@ -242,6 +249,21 @@ export function popupEditor(elem, modeSuggestion) {
     });
 }
 
+/**
+ * Create an inline editor to replace the given textarea.
+ * @param {HTMLTextAreaElement} textArea
+ * @param {String} mode
+ * @returns {CodeMirror3}
+ */
+export function inlineEditor(textArea, mode) {
+    return CodeMirror.fromTextArea(textArea, {
+        mode: getMode(mode, textArea.value),
+        lineNumbers: true,
+        lineWrapping: false,
+        theme: getTheme(),
+    });
+}
+
 /**
  * Set the mode of a codemirror instance.
  * @param cmInstance