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<?php |
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/** |
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* FrontendRedirectController.php |
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* |
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* The FrontendRedirectController class file. |
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* |
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* PHP versions 5 |
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* |
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* @author Alexander Schneider <alexanderschneider85@gmail.com> |
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* @copyright 2008-2017 Alexander Schneider |
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 |
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* @version SVN: $id$ |
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* @link http://wordpress.org/extend/plugins/user-access-manager/ |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace UserAccessManager\Controller\Frontend; |
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|
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use UserAccessManager\Access\AccessHandler; |
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use UserAccessManager\Cache\Cache; |
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use UserAccessManager\Config\MainConfig; |
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use UserAccessManager\Config\WordpressConfig; |
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use UserAccessManager\Controller\Controller; |
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use UserAccessManager\Database\Database; |
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use UserAccessManager\File\FileHandler; |
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use UserAccessManager\File\FileObject; |
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use UserAccessManager\File\FileObjectFactory; |
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use UserAccessManager\Object\ObjectHandler; |
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use UserAccessManager\UserGroup\UserGroupTypeException; |
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use UserAccessManager\Util\Util; |
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use UserAccessManager\Wrapper\Php; |
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use UserAccessManager\Wrapper\Wordpress; |
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|
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/** |
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* Class FrontendRedirectController |
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* |
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* @package UserAccessManager\Controller |
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*/ |
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class RedirectController extends Controller |
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{ |
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use LoginControllerTrait; |
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|
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const POST_URL_CACHE_KEY = 'PostUrls'; |
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|
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/** |
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* @var MainConfig |
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*/ |
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private $mainConfig; |
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|
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/** |
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* @var Database |
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*/ |
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private $database; |
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|
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/** |
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* @var Cache |
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*/ |
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private $cache; |
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|
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/** |
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* @var Util |
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*/ |
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private $util; |
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|
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/** |
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* @var ObjectHandler |
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*/ |
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private $objectHandler; |
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|
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/** |
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* @var AccessHandler |
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*/ |
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private $accessHandler; |
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|
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/** |
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* @var FileHandler |
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*/ |
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private $fileHandler; |
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|
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/** |
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* @var FileObjectFactory |
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*/ |
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private $fileObjectFactory; |
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|
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/** |
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* RedirectController constructor. |
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* @param Php $php |
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* @param Wordpress $wordpress |
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* @param WordpressConfig $wordpressConfig |
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* @param MainConfig $mainConfig |
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* @param Database $database |
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* @param Util $util |
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* @param Cache $cache |
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* @param ObjectHandler $objectHandler |
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* @param AccessHandler $accessHandler |
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* @param FileHandler $fileHandler |
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* @param FileObjectFactory $fileObjectFactory |
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*/ |
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public function __construct( |
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Php $php, |
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Wordpress $wordpress, |
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WordpressConfig $wordpressConfig, |
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MainConfig $mainConfig, |
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Database $database, |
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Util $util, |
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Cache $cache, |
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ObjectHandler $objectHandler, |
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AccessHandler $accessHandler, |
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FileHandler $fileHandler, |
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FileObjectFactory $fileObjectFactory |
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) { |
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parent::__construct($php, $wordpress, $wordpressConfig); |
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$this->mainConfig = $mainConfig; |
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$this->database = $database; |
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$this->util = $util; |
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$this->cache = $cache; |
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$this->objectHandler = $objectHandler; |
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$this->accessHandler = $accessHandler; |
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$this->fileHandler = $fileHandler; |
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$this->fileObjectFactory = $fileObjectFactory; |
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} |
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|
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/** |
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* @return Wordpress |
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*/ |
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protected function getWordpress(): Wordpress |
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{ |
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return $this->wordpress; |
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} |
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|
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/** |
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* Returns the post by the given url. |
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* @param string $url The url of the post(attachment). |
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* @return int |
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*/ |
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public function getPostIdByUrl(string $url): int |
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{ |
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$postUrls = (array)$this->cache->getFromRuntimeCache(self::POST_URL_CACHE_KEY); |
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|
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if (isset($postUrls[$url]) === true) { |
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return $postUrls[$url]; |
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} |
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|
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//Filter size |
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$newUrlPieces = preg_split('/-[0-9]+x[0-9]+(_[a-z])?/', $url); |
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$newUrl = (count($newUrlPieces) === 2) ? $newUrlPieces[0] . $newUrlPieces[1] : $newUrlPieces[0]; |
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$newUrl = preg_replace('/-pdf\.jpg$/', '.pdf', $newUrl); |
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|
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$postId = $this->wordpress->attachmentUrlToPostId($newUrl); |
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|
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if ($postId === 0) { |
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$newUrl = preg_replace('/(\\.[^.\\s]{3,4})$/', '-scaled$1', $newUrl); |
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$postId = $this->wordpress->attachmentUrlToPostId($newUrl); |
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} |
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|
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$postUrls[$url] = $postId; |
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$this->cache->addToRuntimeCache(self::POST_URL_CACHE_KEY, $postUrls); |
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|
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return $postUrls[$url]; |
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} |
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|
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/** |
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* Returns the file object by the given type and url. |
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* @param string $objectType The type of the requested file. |
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* @param string $objectUrl The file url. |
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* @return null|FileObject |
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*/ |
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private function getFileSettingsByType(string $objectType, string $objectUrl): ?FileObject |
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{ |
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$fileObject = null; |
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|
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if ($objectType === ObjectHandler::ATTACHMENT_OBJECT_TYPE) { |
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$uploadDirs = $this->wordpress->getUploadDir(); |
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$uploadDir = str_replace(ABSPATH, '/', $uploadDirs['basedir']); |
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$regex = '/.*' . str_replace('/', '\/', $uploadDir) . '\//i'; |
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$cleanObjectUrl = preg_replace($regex, '', $objectUrl); |
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$uploadUrl = str_replace('/files', $uploadDir, $uploadDirs['baseurl']); |
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$objectUrl = rtrim($uploadUrl, '/') . '/' . ltrim($cleanObjectUrl, '/'); |
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|
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$post = $this->objectHandler->getPost($this->getPostIdByUrl($objectUrl)); |
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$postType = $post->post_type ?? ''; |
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|
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if ($postType === ObjectHandler::ATTACHMENT_OBJECT_TYPE) { |
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$multiPath = str_replace('/files', $uploadDir, $uploadDirs['baseurl']); |
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|
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$fileObject = $this->fileObjectFactory->createFileObject( |
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$post->ID, |
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$objectType, |
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$uploadDirs['basedir'] . str_replace($multiPath, '', $objectUrl), |
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$this->wordpress->attachmentIsImage($post->ID) |
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); |
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} |
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} else { |
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$extraParameter = $this->getRequestParameter('uamextra'); |
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|
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$fileObject = $this->wordpress->applyFilters( |
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'uam_get_file_settings_by_type', |
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$fileObject, |
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$objectType, |
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$objectUrl, |
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$extraParameter |
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); |
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} |
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|
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return $fileObject; |
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} |
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|
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/** |
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* Delivers the content of the requested file. |
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* @param string $objectType The type of the requested file. |
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* @param string $objectUrl The file url. |
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* @throws UserGroupTypeException |
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*/ |
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public function getFile(string $objectType, string $objectUrl) |
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{ |
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$fileObject = $this->getFileSettingsByType($objectType, $objectUrl); |
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|
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if ($fileObject === null) { |
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return; |
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} |
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|
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if ($this->accessHandler->checkObjectAccess($fileObject->getType(), $fileObject->getId()) === true) { |
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$file = $fileObject->getFile(); |
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} elseif ($fileObject->isImage() === true) { |
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if ($this->mainConfig->getNoAccessImageType() === 'custom') { |
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$file = $this->mainConfig->getCustomNoAccessImage(); |
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} else { |
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$realPath = $this->wordpressConfig->getRealPath(); |
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$file = $realPath . 'assets' . DIRECTORY_SEPARATOR . 'gfx' . DIRECTORY_SEPARATOR . 'noAccessPic.png'; |
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} |
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} else { |
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$this->wordpress->wpDie(TXT_UAM_NO_RIGHTS_MESSAGE, TXT_UAM_NO_RIGHTS_TITLE, ['response' => 403]); |
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return; |
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} |
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|
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$this->fileHandler->getFile($file, $fileObject->isImage()); |
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} |
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|
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/** |
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* Returns the redirect url and the permalink of the post if exists. |
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* @param null|string $permalink |
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* @return null|string |
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*/ |
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private function getRedirectUrlAndPermalink(?string &$permalink): ?string |
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{ |
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$permalink = null; |
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$redirect = $this->mainConfig->getRedirect(); |
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|
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if ($redirect === 'custom_page') { |
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$redirectCustomPage = $this->mainConfig->getRedirectCustomPage(); |
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$post = $this->objectHandler->getPost($redirectCustomPage); |
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$url = null; |
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|
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if ($post !== false) { |
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$url = $post->guid; |
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$permalink = $this->wordpress->getPageLink($post); |
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} |
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} elseif ($redirect === 'custom_url') { |
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$url = $this->mainConfig->getRedirectCustomUrl(); |
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} elseif ($redirect === 'login') { |
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$url = $this->getLoginUrl(); |
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} else { |
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$url = $this->wordpress->getHomeUrl('/'); |
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} |
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|
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return $url; |
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} |
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|
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/** |
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* Redirects the user to his destination. |
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* @param bool $checkPosts |
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* @throws UserGroupTypeException |
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*/ |
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public function redirectUser($checkPosts = true) |
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{ |
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if ($checkPosts === true) { |
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$posts = (array)$this->wordpress->getWpQuery()->get_posts(); |
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|
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foreach ($posts as $post) { |
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if ($this->accessHandler->checkObjectAccess($post->post_type, $post->ID)) { |
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return; |
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} |
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} |
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} |
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|
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$url = $this->getRedirectUrlAndPermalink($permalink); |
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$currentUrl = $this->util->getCurrentUrl(); |
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|
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if ($url !== null && $url !== $currentUrl && $permalink !== $currentUrl) { |
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$this->wordpress->wpRedirect($url); |
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$this->php->callExit(); |
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} |
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} |
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|
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/** |
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* Returns the post id by the post name. |
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* @param string $name |
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* @return int |
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*/ |
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private function getPostIdByName(string $name): int |
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{ |
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$postableTypes = implode('\',\'', $this->objectHandler->getPostTypes()); |
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|
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$query = $this->database->prepare( |
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"SELECT ID |
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FROM {$this->database->getPostsTable()} |
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WHERE post_name = %s |
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AND post_type IN ('{$postableTypes}')", |
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$name |
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); |
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|
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return (int) $this->database->getVariable($query); |
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} |
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|
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/** |
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* Extracts the object type and id. |
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* @param mixed $pageParams |
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* @param null|string $objectType |
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* @param null|int|string $objectId |
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*/ |
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private function extractObjectTypeAndId($pageParams, ?string &$objectType, ?string &$objectId) |
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{ |
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$objectType = null; |
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$objectId = null; |
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|
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$simpleTypes = [ |
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'p' => ObjectHandler::GENERAL_POST_OBJECT_TYPE, |
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'page_id' => ObjectHandler::GENERAL_POST_OBJECT_TYPE, |
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'cat_id' => ObjectHandler::GENERAL_TERM_OBJECT_TYPE |
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]; |
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|
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foreach ($simpleTypes as $queryVar => $newObjectType) { |
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if (isset($pageParams->query_vars[$queryVar]) === true) { |
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$objectType = $newObjectType; |
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$objectId = $pageParams->query_vars[$queryVar]; |
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} |
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} |
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|
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if (isset($pageParams->query_vars['name']) === true) { |
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$objectType = ObjectHandler::GENERAL_POST_OBJECT_TYPE; |
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$objectId = $this->getPostIdByName($pageParams->query_vars['name']); |
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} elseif (isset($pageParams->query_vars['pagename']) === true) { |
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$object = $this->wordpress->getPageByPath($pageParams->query_vars['pagename']); |
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|
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if ($object !== null) { |
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$objectType = $object->post_type ?? null; |
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$objectId = $object->ID ?? null; |
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} |
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} |
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} |
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|
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/** |
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* Redirects to a page or to content. |
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* @param array|null $headers The headers which are given from wordpress. |
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* @param mixed $pageParams The params of the current page. |
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* @return array|null |
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* @throws UserGroupTypeException |
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*/ |
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public function redirect(?array $headers, $pageParams): ?array |
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{ |
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$fileUrl = $this->getRequestParameter('uamgetfile'); |
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$fileType = $this->getRequestParameter('uamfiletype'); |
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|
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if ($fileUrl !== null && $fileType !== null) { |
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$this->getFile($fileType, $fileUrl); |
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} elseif ($this->wordpressConfig->atAdminPanel() === false |
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&& $this->mainConfig->getRedirect() !== 'false' |
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) { |
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$this->extractObjectTypeAndId($pageParams, $objectType, $objectId); |
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|
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if ($this->accessHandler->checkObjectAccess($objectType, $objectId) === false) { |
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$this->redirectUser(false); |
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} |
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} |
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|
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return $headers; |
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} |
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|
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/** |
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* Returns the url for a locked file. |
| 382 |
* @param string $url The base url. |
| 383 |
* @param int|string $id The id of the file. |
| 384 |
* @return string |
| 385 |
*/ |
| 386 |
public function getFileUrl(string $url, $id): string |
| 387 |
{ |
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// Nginx always supports real urls so we need the new urls only |
| 389 |
// if we don't use nginx and mod_rewrite is disabled |
| 390 |
if ($this->mainConfig->lockFile() === true |
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&& $this->wordpress->isNginx() === false |
| 392 |
&& $this->wordpress->gotModRewrite() === false |
| 393 |
) { |
| 394 |
$post = $this->objectHandler->getPost($id); |
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|
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if ($post !== null) { |
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$type = explode('/', $post->post_mime_type); |
| 398 |
$type = $type[1] ?? $type[0]; |
| 399 |
|
| 400 |
$lockedFileTypes = $this->mainConfig->getLockedFiles(); |
| 401 |
$fileTypes = explode(',', $lockedFileTypes); |
| 402 |
|
| 403 |
if ($lockedFileTypes === 'all' || in_array($type, $fileTypes) === true) { |
| 404 |
$url = $this->wordpress->getHomeUrl('/') . '?uamfiletype=attachment&uamgetfile=' . $url; |
| 405 |
} |
| 406 |
} |
| 407 |
} |
| 408 |
|
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return $url; |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Caches the urls for the post for a later lookup. |
| 414 |
* @param string $url The url of the post. |
| 415 |
* @param object $post The post object. |
| 416 |
* @return string |
| 417 |
*/ |
| 418 |
public function cachePostLinks(string $url, object $post): string |
| 419 |
{ |
| 420 |
$postUrls = (array) $this->cache->getFromRuntimeCache(self::POST_URL_CACHE_KEY); |
| 421 |
$postUrls[$url] = $post->ID; |
| 422 |
$this->cache->addToRuntimeCache(self::POST_URL_CACHE_KEY, $postUrls); |
| 423 |
return $url; |
| 424 |
} |
| 425 |
|
| 426 |
/** |
| 427 |
* Tries to load the file via x send file |
| 428 |
*/ |
| 429 |
public function testXSendFile() |
| 430 |
{ |
| 431 |
$this->fileHandler->deliverXSendFileTestFile(); |
| 432 |
} |
| 433 |
} |
| 434 |
|
