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<?php |
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|
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declare(strict_types=1); |
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|
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namespace UserAccessManager\Access; |
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|
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use Exception; |
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use UserAccessManager\Config\MainConfig; |
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use UserAccessManager\Database\Database; |
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use UserAccessManager\Object\ObjectHandler; |
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use UserAccessManager\User\UserHandler; |
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use UserAccessManager\UserGroup\AbstractUserGroup; |
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use UserAccessManager\UserGroup\UserGroupHandler; |
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use UserAccessManager\UserGroup\UserGroupTypeException; |
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use UserAccessManager\Wrapper\Wordpress; |
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|
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class AccessHandler |
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{ |
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private ?array $excludedTerms = null; |
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private ?array $excludedPosts = null; |
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private array $objectAccess = []; |
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private ?array $visiblePostTypes = null; |
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|
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public function __construct( |
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private Wordpress $wordpress, |
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private MainConfig $mainConfig, |
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private Database $database, |
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private ObjectHandler $objectHandler, |
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private UserHandler $userHandler, |
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private UserGroupHandler $userGroupHandler |
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) { |
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} |
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|
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private function canManageUserGroups(): bool |
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{ |
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return $this->userHandler->checkUserAccess(UserHandler::MANAGE_USER_GROUPS_CAPABILITY) === true; |
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} |
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|
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private function hasAuthorAccess(string $objectType, int|string|null $objectId): bool |
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{ |
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if ($this->mainConfig->authorsHasAccessToOwn() !== true |
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|| $this->objectHandler->isPostType($objectType) === false |
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) { |
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return false; |
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} |
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|
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$post = $this->objectHandler->getPost($objectId); |
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|
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if ($post === false) { |
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return false; |
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} |
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|
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$currentUserId = $this->wordpress->getCurrentUser()->ID; |
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|
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return $currentUserId !== 0 && $currentUserId === (int) $post->post_author; |
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} |
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|
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private function isAdmin(?bool $isAdmin): bool |
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{ |
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return ($isAdmin === null) ? $this->wordpress->isAdmin() : $isAdmin; |
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} |
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|
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/** |
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* @throws UserGroupTypeException |
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*/ |
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private function getUserUserGroupsForObjectAccess(?bool $isAdmin = null): array |
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{ |
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$userUserGroups = $this->userGroupHandler->getUserGroupsForUser(); |
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|
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if ($this->isAdmin($isAdmin) === true) { |
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$userUserGroups = array_filter( |
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$userUserGroups, |
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fn(AbstractUserGroup $userGroup) => $userGroup->getWriteAccess() !== 'none' |
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); |
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} |
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|
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return $this->wordpress->applyFilters('uam_get_user_user_groups_for_object_access', $userUserGroups, $isAdmin); |
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} |
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|
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/** |
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* @throws UserGroupTypeException |
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* @throws Exception |
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*/ |
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private function resolveObjectAccess(?string $objectType, int|string|null $objectId, bool $isAdmin): bool |
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{ |
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if ($this->objectHandler->isValidObjectType($objectType) === false |
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|| $this->canManageUserGroups() === true |
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|| $this->hasAuthorAccess($objectType, $objectId) === true |
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) { |
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return true; |
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} |
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|
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$membership = $this->userGroupHandler->getUserGroupsForObject($objectType, $objectId); |
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$access = $membership === [] |
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|| array_intersect_key($membership, $this->getUserUserGroupsForObjectAccess($isAdmin)) !== []; |
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|
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if ($access === true && $this->wordpress->isUserLoggedIn() && $this->wordpress->isMultiSite()) { |
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return $this->wordpress->isUserMemberOfBlog(); |
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} |
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|
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return $access; |
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} |
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|
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/** |
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* @throws UserGroupTypeException |
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* @throws Exception |
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*/ |
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public function checkObjectAccess(?string $objectType, int|string|null $objectId, ?bool $isAdmin = null): bool |
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{ |
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$isAdmin = $this->isAdmin($isAdmin); |
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|
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if (isset($this->objectAccess[$isAdmin][$objectType][$objectId]) === false) { |
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$this->objectAccess[$isAdmin][$objectType][$objectId] = $this->resolveObjectAccess( |
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$objectType, |
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$objectId, |
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$isAdmin |
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); |
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} |
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|
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return $this->objectAccess[$isAdmin][$objectType][$objectId]; |
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} |
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|
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/** |
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* $ignoredObjectTypes is matched against the assigned object type (the array value), not the object id. |
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* |
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* @throws UserGroupTypeException |
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* @throws Exception |
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*/ |
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private function getExcludedObjects(string $type, array $ignoredObjectTypes = []): array |
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{ |
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$excludedObjects = []; |
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|
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foreach ($this->userGroupHandler->getFullUserGroups() as $userGroup) { |
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$excludedObjects += $userGroup->getAssignedObjectsByType($type); |
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} |
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|
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foreach ($this->userGroupHandler->getUserGroupsForUser() as $userGroup) { |
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$excludedObjects = array_diff_key($excludedObjects, $userGroup->getAssignedObjectsByType($type)); |
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} |
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|
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$excludedObjects = array_filter( |
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$excludedObjects, |
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fn($objectType) => isset($ignoredObjectTypes[$objectType]) === false |
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); |
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|
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$objectIds = array_keys($excludedObjects); |
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|
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return array_combine($objectIds, $objectIds); |
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} |
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|
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/** |
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* @throws UserGroupTypeException |
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*/ |
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public function getExcludedTerms(): ?array |
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{ |
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if ($this->canManageUserGroups() === true) { |
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$this->excludedTerms = []; |
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} elseif ($this->excludedTerms === null) { |
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$this->excludedTerms = $this->getExcludedObjects(ObjectHandler::GENERAL_TERM_OBJECT_TYPE); |
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} |
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|
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return $this->excludedTerms; |
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} |
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|
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private function getVisiblePostTypes(): array |
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{ |
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if ($this->visiblePostTypes !== null) { |
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return $this->visiblePostTypes; |
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} |
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|
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$this->visiblePostTypes = []; |
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|
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if ($this->wordpress->isAdmin() === false) { |
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foreach ($this->objectHandler->getPostTypes() as $postType) { |
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if ($this->mainConfig->hidePostType($postType) === false) { |
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$this->visiblePostTypes[$postType] = $postType; |
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} |
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} |
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} |
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|
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return $this->visiblePostTypes; |
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} |
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|
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private function getOwnPostIds(): array |
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{ |
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$query = $this->database->prepare( |
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"SELECT ID FROM {$this->database->getPostsTable()} |
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WHERE post_author = %d", |
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$this->wordpress->getCurrentUser()->ID |
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); |
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|
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return array_column((array) $this->database->getResults($query), 'ID', 'ID'); |
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} |
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|
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/** |
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* @throws UserGroupTypeException |
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*/ |
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public function getExcludedPosts(): ?array |
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{ |
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if ($this->canManageUserGroups() === true) { |
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$this->excludedPosts = []; |
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} elseif ($this->excludedPosts === null) { |
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$excludedPosts = $this->getExcludedObjects( |
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ObjectHandler::GENERAL_POST_OBJECT_TYPE, |
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$this->getVisiblePostTypes() |
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); |
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|
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$this->excludedPosts = ($this->mainConfig->authorsHasAccessToOwn() === true) |
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? array_diff_key($excludedPosts, $this->getOwnPostIds()) |
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: $excludedPosts; |
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} |
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|
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return $this->excludedPosts; |
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} |
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} |
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|
