644 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			644 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php namespace BookStack\Services;
 | |
| 
 | |
| use BookStack\Book;
 | |
| use BookStack\Chapter;
 | |
| use BookStack\Entity;
 | |
| use BookStack\JointPermission;
 | |
| use BookStack\Ownable;
 | |
| use BookStack\Page;
 | |
| use BookStack\Role;
 | |
| use BookStack\User;
 | |
| use Illuminate\Database\Connection;
 | |
| use Illuminate\Database\Eloquent\Builder;
 | |
| use Illuminate\Support\Collection;
 | |
| 
 | |
| class PermissionService
 | |
| {
 | |
| 
 | |
|     protected $currentAction;
 | |
|     protected $isAdminUser;
 | |
|     protected $userRoles = false;
 | |
|     protected $currentUserModel = false;
 | |
| 
 | |
|     public $book;
 | |
|     public $chapter;
 | |
|     public $page;
 | |
| 
 | |
|     protected $db;
 | |
| 
 | |
|     protected $jointPermission;
 | |
|     protected $role;
 | |
| 
 | |
|     protected $entityCache;
 | |
| 
 | |
|     /**
 | |
|      * PermissionService constructor.
 | |
|      * @param JointPermission $jointPermission
 | |
|      * @param Connection $db
 | |
|      * @param Book $book
 | |
|      * @param Chapter $chapter
 | |
|      * @param Page $page
 | |
|      * @param Role $role
 | |
|      */
 | |
|     public function __construct(JointPermission $jointPermission, Connection $db, Book $book, Chapter $chapter, Page $page, Role $role)
 | |
|     {
 | |
|         $this->db = $db;
 | |
|         $this->jointPermission = $jointPermission;
 | |
|         $this->role = $role;
 | |
|         $this->book = $book;
 | |
|         $this->chapter = $chapter;
 | |
|         $this->page = $page;
 | |
|         // TODO - Update so admin still goes through filters
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Prepare the local entity cache and ensure it's empty
 | |
|      */
 | |
|     protected function readyEntityCache()
 | |
|     {
 | |
|         $this->entityCache = [
 | |
|             'books' => collect(),
 | |
|             'chapters' => collect()
 | |
|         ];
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get a book via ID, Checks local cache
 | |
|      * @param $bookId
 | |
|      * @return Book
 | |
|      */
 | |
|     protected function getBook($bookId)
 | |
|     {
 | |
|         if (isset($this->entityCache['books']) && $this->entityCache['books']->has($bookId)) {
 | |
|             return $this->entityCache['books']->get($bookId);
 | |
|         }
 | |
| 
 | |
|         $book = $this->book->find($bookId);
 | |
|         if ($book === null) $book = false;
 | |
|         if (isset($this->entityCache['books'])) {
 | |
|             $this->entityCache['books']->put($bookId, $book);
 | |
|         }
 | |
| 
 | |
|         return $book;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get a chapter via ID, Checks local cache
 | |
|      * @param $chapterId
 | |
|      * @return Book
 | |
|      */
 | |
|     protected function getChapter($chapterId)
 | |
|     {
 | |
|         if (isset($this->entityCache['chapters']) && $this->entityCache['chapters']->has($chapterId)) {
 | |
|             return $this->entityCache['chapters']->get($chapterId);
 | |
|         }
 | |
| 
 | |
|         $chapter = $this->chapter->find($chapterId);
 | |
|         if ($chapter === null) $chapter = false;
 | |
|         if (isset($this->entityCache['chapters'])) {
 | |
|             $this->entityCache['chapters']->put($chapterId, $chapter);
 | |
|         }
 | |
| 
 | |
|         return $chapter;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the roles for the current user;
 | |
|      * @return array|bool
 | |
|      */
 | |
|     protected function getRoles()
 | |
|     {
 | |
|         if ($this->userRoles !== false) return $this->userRoles;
 | |
| 
 | |
|         $roles = [];
 | |
| 
 | |
|         if (auth()->guest()) {
 | |
|             $roles[] = $this->role->getSystemRole('public')->id;
 | |
|             return $roles;
 | |
|         }
 | |
| 
 | |
| 
 | |
|         foreach ($this->currentUser()->roles as $role) {
 | |
|             $roles[] = $role->id;
 | |
|         }
 | |
|         return $roles;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Re-generate all entity permission from scratch.
 | |
|      */
 | |
|     public function buildJointPermissions()
 | |
|     {
 | |
|         $this->jointPermission->truncate();
 | |
|         $this->readyEntityCache();
 | |
| 
 | |
|         // Get all roles (Should be the most limited dimension)
 | |
|         $roles = $this->role->with('permissions')->get();
 | |
| 
 | |
|         // Chunk through all books
 | |
|         $this->book->with('permissions')->chunk(500, function ($books) use ($roles) {
 | |
|             $this->createManyJointPermissions($books, $roles);
 | |
|         });
 | |
| 
 | |
|         // Chunk through all chapters
 | |
|         $this->chapter->with('book', 'permissions')->chunk(500, function ($chapters) use ($roles) {
 | |
|             $this->createManyJointPermissions($chapters, $roles);
 | |
|         });
 | |
| 
 | |
|         // Chunk through all pages
 | |
|         $this->page->with('book', 'chapter', 'permissions')->chunk(500, function ($pages) use ($roles) {
 | |
|             $this->createManyJointPermissions($pages, $roles);
 | |
|         });
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Rebuild the entity jointPermissions for a particular entity.
 | |
|      * @param Entity $entity
 | |
|      */
 | |
|     public function buildJointPermissionsForEntity(Entity $entity)
 | |
|     {
 | |
|         $roles = $this->role->with('jointPermissions')->get();
 | |
|         $entities = collect([$entity]);
 | |
| 
 | |
|         if ($entity->isA('book')) {
 | |
|             $entities = $entities->merge($entity->chapters);
 | |
|             $entities = $entities->merge($entity->pages);
 | |
|         } elseif ($entity->isA('chapter')) {
 | |
|             $entities = $entities->merge($entity->pages);
 | |
|         }
 | |
| 
 | |
|         $this->deleteManyJointPermissionsForEntities($entities);
 | |
|         $this->createManyJointPermissions($entities, $roles);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Rebuild the entity jointPermissions for a collection of entities.
 | |
|      * @param Collection $entities
 | |
|      */
 | |
|     public function buildJointPermissionsForEntities(Collection $entities)
 | |
|     {
 | |
|         $roles = $this->role->with('jointPermissions')->get();
 | |
|         $this->deleteManyJointPermissionsForEntities($entities);
 | |
|         $this->createManyJointPermissions($entities, $roles);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Build the entity jointPermissions for a particular role.
 | |
|      * @param Role $role
 | |
|      */
 | |
|     public function buildJointPermissionForRole(Role $role)
 | |
|     {
 | |
|         $roles = collect([$role]);
 | |
| 
 | |
|         $this->deleteManyJointPermissionsForRoles($roles);
 | |
| 
 | |
|         // Chunk through all books
 | |
|         $this->book->with('permissions')->chunk(500, function ($books) use ($roles) {
 | |
|             $this->createManyJointPermissions($books, $roles);
 | |
|         });
 | |
| 
 | |
|         // Chunk through all chapters
 | |
|         $this->chapter->with('book', 'permissions')->chunk(500, function ($books) use ($roles) {
 | |
|             $this->createManyJointPermissions($books, $roles);
 | |
|         });
 | |
| 
 | |
|         // Chunk through all pages
 | |
|         $this->page->with('book', 'chapter', 'permissions')->chunk(500, function ($books) use ($roles) {
 | |
|             $this->createManyJointPermissions($books, $roles);
 | |
|         });
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Delete the entity jointPermissions attached to a particular role.
 | |
|      * @param Role $role
 | |
|      */
 | |
|     public function deleteJointPermissionsForRole(Role $role)
 | |
|     {
 | |
|         $this->deleteManyJointPermissionsForRoles([$role]);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Delete all of the entity jointPermissions for a list of entities.
 | |
|      * @param Role[] $roles
 | |
|      */
 | |
|     protected function deleteManyJointPermissionsForRoles($roles)
 | |
|     {
 | |
|         foreach ($roles as $role) {
 | |
|             $role->jointPermissions()->delete();
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Delete the entity jointPermissions for a particular entity.
 | |
|      * @param Entity $entity
 | |
|      */
 | |
|     public function deleteJointPermissionsForEntity(Entity $entity)
 | |
|     {
 | |
|         $this->deleteManyJointPermissionsForEntities([$entity]);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Delete all of the entity jointPermissions for a list of entities.
 | |
|      * @param Entity[] $entities
 | |
|      */
 | |
|     protected function deleteManyJointPermissionsForEntities($entities)
 | |
|     {
 | |
|         $query = $this->jointPermission->newQuery();
 | |
|         foreach ($entities as $entity) {
 | |
|             $query->orWhere(function($query) use ($entity) {
 | |
|                 $query->where('entity_id', '=', $entity->id)
 | |
|                     ->where('entity_type', '=', $entity->getMorphClass());
 | |
|             });
 | |
|         }
 | |
|         $query->delete();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Create & Save entity jointPermissions for many entities and jointPermissions.
 | |
|      * @param Collection $entities
 | |
|      * @param Collection $roles
 | |
|      */
 | |
|     protected function createManyJointPermissions($entities, $roles)
 | |
|     {
 | |
|         $this->readyEntityCache();
 | |
|         $jointPermissions = [];
 | |
|         foreach ($entities as $entity) {
 | |
|             foreach ($roles as $role) {
 | |
|                 foreach ($this->getActions($entity) as $action) {
 | |
|                     $jointPermissions[] = $this->createJointPermissionData($entity, $role, $action);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         $this->jointPermission->insert($jointPermissions);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Get the actions related to an entity.
 | |
|      * @param $entity
 | |
|      * @return array
 | |
|      */
 | |
|     protected function getActions($entity)
 | |
|     {
 | |
|         $baseActions = ['view', 'update', 'delete'];
 | |
| 
 | |
|         if ($entity->isA('chapter')) {
 | |
|             $baseActions[] = 'page-create';
 | |
|         } else if ($entity->isA('book')) {
 | |
|             $baseActions[] = 'page-create';
 | |
|             $baseActions[] = 'chapter-create';
 | |
|         }
 | |
| 
 | |
|          return $baseActions;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Create entity permission data for an entity and role
 | |
|      * for a particular action.
 | |
|      * @param Entity $entity
 | |
|      * @param Role $role
 | |
|      * @param $action
 | |
|      * @return array
 | |
|      */
 | |
|     protected function createJointPermissionData(Entity $entity, Role $role, $action)
 | |
|     {
 | |
|         $permissionPrefix = (strpos($action, '-') === false ? ($entity->getType() . '-') : '') . $action;
 | |
|         $roleHasPermission = $role->hasPermission($permissionPrefix . '-all');
 | |
|         $roleHasPermissionOwn = $role->hasPermission($permissionPrefix . '-own');
 | |
|         $explodedAction = explode('-', $action);
 | |
|         $restrictionAction = end($explodedAction);
 | |
| 
 | |
|         if ($role->system_name === 'admin') {
 | |
|             return $this->createJointPermissionDataArray($entity, $role, $action, true, true);
 | |
|         }
 | |
| 
 | |
|         if ($entity->isA('book')) {
 | |
| 
 | |
|             if (!$entity->restricted) {
 | |
|                 return $this->createJointPermissionDataArray($entity, $role, $action, $roleHasPermission, $roleHasPermissionOwn);
 | |
|             } else {
 | |
|                 $hasAccess = $entity->hasActiveRestriction($role->id, $restrictionAction);
 | |
|                 return $this->createJointPermissionDataArray($entity, $role, $action, $hasAccess, $hasAccess);
 | |
|             }
 | |
| 
 | |
|         } elseif ($entity->isA('chapter')) {
 | |
| 
 | |
|             if (!$entity->restricted) {
 | |
|                 $book = $this->getBook($entity->book_id);
 | |
|                 $hasExplicitAccessToBook = $book->hasActiveRestriction($role->id, $restrictionAction);
 | |
|                 $hasPermissiveAccessToBook = !$book->restricted;
 | |
|                 return $this->createJointPermissionDataArray($entity, $role, $action,
 | |
|                     ($hasExplicitAccessToBook || ($roleHasPermission && $hasPermissiveAccessToBook)),
 | |
|                     ($hasExplicitAccessToBook || ($roleHasPermissionOwn && $hasPermissiveAccessToBook)));
 | |
|             } else {
 | |
|                 $hasAccess = $entity->hasActiveRestriction($role->id, $restrictionAction);
 | |
|                 return $this->createJointPermissionDataArray($entity, $role, $action, $hasAccess, $hasAccess);
 | |
|             }
 | |
| 
 | |
|         } elseif ($entity->isA('page')) {
 | |
| 
 | |
|             if (!$entity->restricted) {
 | |
|                 $book = $this->getBook($entity->book_id);
 | |
|                 $hasExplicitAccessToBook = $book->hasActiveRestriction($role->id, $restrictionAction);
 | |
|                 $hasPermissiveAccessToBook = !$book->restricted;
 | |
| 
 | |
|                 $chapter = $this->getChapter($entity->chapter_id);
 | |
|                 $hasExplicitAccessToChapter = $chapter && $chapter->hasActiveRestriction($role->id, $restrictionAction);
 | |
|                 $hasPermissiveAccessToChapter = $chapter && !$chapter->restricted;
 | |
|                 $acknowledgeChapter = ($chapter && $chapter->restricted);
 | |
| 
 | |
|                 $hasExplicitAccessToParents = $acknowledgeChapter ? $hasExplicitAccessToChapter : $hasExplicitAccessToBook;
 | |
|                 $hasPermissiveAccessToParents = $acknowledgeChapter ? $hasPermissiveAccessToChapter : $hasPermissiveAccessToBook;
 | |
| 
 | |
|                 return $this->createJointPermissionDataArray($entity, $role, $action,
 | |
|                     ($hasExplicitAccessToParents || ($roleHasPermission && $hasPermissiveAccessToParents)),
 | |
|                     ($hasExplicitAccessToParents || ($roleHasPermissionOwn && $hasPermissiveAccessToParents))
 | |
|                 );
 | |
|             } else {
 | |
|                 $hasAccess = $entity->hasRestriction($role->id, $action);
 | |
|                 return $this->createJointPermissionDataArray($entity, $role, $action, $hasAccess, $hasAccess);
 | |
|             }
 | |
| 
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Create an array of data with the information of an entity jointPermissions.
 | |
|      * Used to build data for bulk insertion.
 | |
|      * @param Entity $entity
 | |
|      * @param Role $role
 | |
|      * @param $action
 | |
|      * @param $permissionAll
 | |
|      * @param $permissionOwn
 | |
|      * @return array
 | |
|      */
 | |
|     protected function createJointPermissionDataArray(Entity $entity, Role $role, $action, $permissionAll, $permissionOwn)
 | |
|     {
 | |
|         $entityClass = get_class($entity);
 | |
|         return [
 | |
|             'role_id'            => $role->getRawAttribute('id'),
 | |
|             'entity_id'          => $entity->getRawAttribute('id'),
 | |
|             'entity_type'        => $entityClass,
 | |
|             'action'             => $action,
 | |
|             'has_permission'     => $permissionAll,
 | |
|             'has_permission_own' => $permissionOwn,
 | |
|             'created_by'         => $entity->getRawAttribute('created_by')
 | |
|         ];
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Checks if an entity has a restriction set upon it.
 | |
|      * @param Ownable $ownable
 | |
|      * @param $permission
 | |
|      * @return bool
 | |
|      */
 | |
|     public function checkOwnableUserAccess(Ownable $ownable, $permission)
 | |
|     {
 | |
|         if ($this->isAdmin()) {
 | |
|             $this->clean();
 | |
|             return true;
 | |
|         }
 | |
| 
 | |
|         $explodedPermission = explode('-', $permission);
 | |
| 
 | |
|         $baseQuery = $ownable->where('id', '=', $ownable->id);
 | |
|         $action = end($explodedPermission);
 | |
|         $this->currentAction = $action;
 | |
| 
 | |
|         $nonJointPermissions = ['restrictions', 'image', 'attachment'];
 | |
| 
 | |
|         // Handle non entity specific jointPermissions
 | |
|         if (in_array($explodedPermission[0], $nonJointPermissions)) {
 | |
|             $allPermission = $this->currentUser() && $this->currentUser()->can($permission . '-all');
 | |
|             $ownPermission = $this->currentUser() && $this->currentUser()->can($permission . '-own');
 | |
|             $this->currentAction = 'view';
 | |
|             $isOwner = $this->currentUser() && $this->currentUser()->id === $ownable->created_by;
 | |
|             return ($allPermission || ($isOwner && $ownPermission));
 | |
|         }
 | |
| 
 | |
|         // Handle abnormal create jointPermissions
 | |
|         if ($action === 'create') {
 | |
|             $this->currentAction = $permission;
 | |
|         }
 | |
| 
 | |
|         $q = $this->entityRestrictionQuery($baseQuery)->count() > 0;
 | |
|         $this->clean();
 | |
|         return $q;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Check if an entity has restrictions set on itself or its
 | |
|      * parent tree.
 | |
|      * @param Entity $entity
 | |
|      * @param $action
 | |
|      * @return bool|mixed
 | |
|      */
 | |
|     public function checkIfRestrictionsSet(Entity $entity, $action)
 | |
|     {
 | |
|         $this->currentAction = $action;
 | |
|         if ($entity->isA('page')) {
 | |
|             return $entity->restricted || ($entity->chapter && $entity->chapter->restricted) || $entity->book->restricted;
 | |
|         } elseif ($entity->isA('chapter')) {
 | |
|             return $entity->restricted || $entity->book->restricted;
 | |
|         } elseif ($entity->isA('book')) {
 | |
|             return $entity->restricted;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * The general query filter to remove all entities
 | |
|      * that the current user does not have access to.
 | |
|      * @param $query
 | |
|      * @return mixed
 | |
|      */
 | |
|     protected function entityRestrictionQuery($query)
 | |
|     {
 | |
|         $q = $query->where(function ($parentQuery) {
 | |
|             $parentQuery->whereHas('jointPermissions', function ($permissionQuery) {
 | |
|                 $permissionQuery->whereIn('role_id', $this->getRoles())
 | |
|                     ->where('action', '=', $this->currentAction)
 | |
|                     ->where(function ($query) {
 | |
|                         $query->where('has_permission', '=', true)
 | |
|                             ->orWhere(function ($query) {
 | |
|                                 $query->where('has_permission_own', '=', true)
 | |
|                                     ->where('created_by', '=', $this->currentUser()->id);
 | |
|                             });
 | |
|                     });
 | |
|             });
 | |
|         });
 | |
|         $this->clean();
 | |
|         return $q;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the children of a book in an efficient single query, Filtered by the permission system.
 | |
|      * @param integer $book_id
 | |
|      * @param bool    $filterDrafts
 | |
|      * @return \Illuminate\Database\Query\Builder
 | |
|      */
 | |
|     public function bookChildrenQuery($book_id, $filterDrafts = false) {
 | |
|         $pageSelect = $this->db->table('pages')->selectRaw("'BookStack\\\\Page' as entity_type, id, slug, name, text, '' as description, book_id, priority, chapter_id, draft")->where('book_id', '=', $book_id)->where(function($query) use ($filterDrafts) {
 | |
|             $query->where('draft', '=', 0);
 | |
|             if (!$filterDrafts) {
 | |
|                 $query->orWhere(function($query) {
 | |
|                     $query->where('draft', '=', 1)->where('created_by', '=', $this->currentUser()->id);
 | |
|                 });
 | |
|             }
 | |
|         });
 | |
|         $chapterSelect = $this->db->table('chapters')->selectRaw("'BookStack\\\\Chapter' as entity_type, id, slug, name, '' as text, description, book_id, priority, 0 as chapter_id, 0 as draft")->where('book_id', '=', $book_id);
 | |
|         $whereQuery = $this->db->table('joint_permissions as jp')->selectRaw('COUNT(*)')
 | |
|             ->whereRaw('jp.entity_id=U.id')->whereRaw('jp.entity_type=U.entity_type')
 | |
|             ->where('jp.action', '=', 'view')->whereIn('jp.role_id', $this->getRoles())
 | |
|             ->where(function($query) {
 | |
|                 $query->where('jp.has_permission', '=', 1)->orWhere(function($query) {
 | |
|                     $query->where('jp.has_permission_own', '=', 1)->where('jp.created_by', '=', $this->currentUser()->id);
 | |
|                 });
 | |
|             });
 | |
|         $query = $this->db->query()->select('*')->from($this->db->raw("({$pageSelect->toSql()} UNION {$chapterSelect->toSql()}) AS U"))
 | |
|             ->mergeBindings($pageSelect)->mergeBindings($chapterSelect)
 | |
|             ->whereRaw("({$whereQuery->toSql()}) > 0")->mergeBindings($whereQuery)->orderBy('draft', 'desc')->orderBy('priority', 'asc');
 | |
|         $this->clean();
 | |
|         return  $query;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Add restrictions for a generic entity
 | |
|      * @param string $entityType
 | |
|      * @param Builder|Entity $query
 | |
|      * @param string $action
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function enforceEntityRestrictions($entityType, $query, $action = 'view')
 | |
|     {
 | |
|         if (strtolower($entityType) === 'page') {
 | |
|             // Prevent drafts being visible to others.
 | |
|             $query = $query->where(function ($query) {
 | |
|                 $query->where('draft', '=', false);
 | |
|                 if ($this->currentUser()) {
 | |
|                     $query->orWhere(function ($query) {
 | |
|                         $query->where('draft', '=', true)->where('created_by', '=', $this->currentUser()->id);
 | |
|                     });
 | |
|                 }
 | |
|             });
 | |
|         }
 | |
| 
 | |
|         if ($this->isAdmin()) {
 | |
|             $this->clean();
 | |
|             return $query;
 | |
|         }
 | |
| 
 | |
|         $this->currentAction = $action;
 | |
|         return $this->entityRestrictionQuery($query);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Filter items that have entities set a a polymorphic relation.
 | |
|      * @param $query
 | |
|      * @param string $tableName
 | |
|      * @param string $entityIdColumn
 | |
|      * @param string $entityTypeColumn
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function filterRestrictedEntityRelations($query, $tableName, $entityIdColumn, $entityTypeColumn)
 | |
|     {
 | |
|         if ($this->isAdmin()) {
 | |
|             $this->clean();
 | |
|             return $query;
 | |
|         }
 | |
| 
 | |
|         $this->currentAction = 'view';
 | |
|         $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn, 'entityTypeColumn' => $entityTypeColumn];
 | |
| 
 | |
|         $q = $query->where(function ($query) use ($tableDetails) {
 | |
|             $query->whereExists(function ($permissionQuery) use (&$tableDetails) {
 | |
|                 $permissionQuery->select('id')->from('joint_permissions')
 | |
|                     ->whereRaw('joint_permissions.entity_id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
 | |
|                     ->whereRaw('joint_permissions.entity_type=' . $tableDetails['tableName'] . '.' . $tableDetails['entityTypeColumn'])
 | |
|                     ->where('action', '=', $this->currentAction)
 | |
|                     ->whereIn('role_id', $this->getRoles())
 | |
|                     ->where(function ($query) {
 | |
|                         $query->where('has_permission', '=', true)->orWhere(function ($query) {
 | |
|                             $query->where('has_permission_own', '=', true)
 | |
|                                 ->where('created_by', '=', $this->currentUser()->id);
 | |
|                         });
 | |
|                     });
 | |
|             });
 | |
|         });
 | |
|         return $q;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Filters pages that are a direct relation to another item.
 | |
|      * @param $query
 | |
|      * @param $tableName
 | |
|      * @param $entityIdColumn
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function filterRelatedPages($query, $tableName, $entityIdColumn)
 | |
|     {
 | |
|         if ($this->isAdmin()) {
 | |
|             $this->clean();
 | |
|             return $query;
 | |
|         }
 | |
| 
 | |
|         $this->currentAction = 'view';
 | |
|         $tableDetails = ['tableName' => $tableName, 'entityIdColumn' => $entityIdColumn];
 | |
| 
 | |
|         $q = $query->where(function ($query) use ($tableDetails) {
 | |
|             $query->where(function ($query) use (&$tableDetails) {
 | |
|                 $query->whereExists(function ($permissionQuery) use (&$tableDetails) {
 | |
|                     $permissionQuery->select('id')->from('joint_permissions')
 | |
|                         ->whereRaw('joint_permissions.entity_id=' . $tableDetails['tableName'] . '.' . $tableDetails['entityIdColumn'])
 | |
|                         ->where('entity_type', '=', 'Bookstack\\Page')
 | |
|                         ->where('action', '=', $this->currentAction)
 | |
|                         ->whereIn('role_id', $this->getRoles())
 | |
|                         ->where(function ($query) {
 | |
|                             $query->where('has_permission', '=', true)->orWhere(function ($query) {
 | |
|                                 $query->where('has_permission_own', '=', true)
 | |
|                                     ->where('created_by', '=', $this->currentUser()->id);
 | |
|                             });
 | |
|                         });
 | |
|                 });
 | |
|             })->orWhere($tableDetails['entityIdColumn'], '=', 0);
 | |
|         });
 | |
|         $this->clean();
 | |
|         return $q;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Check if the current user is an admin.
 | |
|      * @return bool
 | |
|      */
 | |
|     private function isAdmin()
 | |
|     {
 | |
|         if ($this->isAdminUser === null) {
 | |
|             $this->isAdminUser = ($this->currentUser()->id !== null) ? $this->currentUser()->hasSystemRole('admin') : false;
 | |
|         }
 | |
| 
 | |
|         return $this->isAdminUser;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the current user
 | |
|      * @return User
 | |
|      */
 | |
|     private function currentUser()
 | |
|     {
 | |
|         if ($this->currentUserModel === false) {
 | |
|             $this->currentUserModel = user();
 | |
|         }
 | |
| 
 | |
|         return $this->currentUserModel;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Clean the cached user elements.
 | |
|      */
 | |
|     private function clean()
 | |
|     {
 | |
|         $this->currentUserModel = false;
 | |
|         $this->userRoles = false;
 | |
|         $this->isAdminUser = null;
 | |
|     }
 | |
| 
 | |
| } |