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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\Controller\Frontend; |
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|
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use JetBrains\PhpStorm\NoReturn; |
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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\Controller\Frontend\Authentication\LoginControllerTrait; |
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use UserAccessManager\Database\Database; |
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use UserAccessManager\File\FileHandler; |
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use UserAccessManager\File\Delivery\FileObject; |
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use UserAccessManager\File\Delivery\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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class RedirectController extends Controller |
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{ |
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use LoginControllerTrait; |
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|
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public const POST_URL_CACHE_KEY = 'PostUrls'; |
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public const REDIRECT_TO_PARAMETER = 'redirect_to'; |
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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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private MainConfig $mainConfig, |
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private Database $database, |
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private Util $util, |
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private Cache $cache, |
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private ObjectHandler $objectHandler, |
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private AccessHandler $accessHandler, |
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private FileHandler $fileHandler, |
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private FileObjectFactory $fileObjectFactory |
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) { |
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parent::__construct($php, $wordpress, $wordpressConfig); |
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} |
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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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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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private function normalizeAttachmentUrl(array $uploadDirs, string $objectUrl): string |
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{ |
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$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, $uploadDirs['baseurl']); |
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|
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return rtrim($uploadUrl, '/') . '/' . ltrim($cleanObjectUrl, '/'); |
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} |
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|
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private function isRegisteredSize(int $attachmentId, string $fileName): bool |
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{ |
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$metaData = $this->wordpress->getAttachmentMetadata($attachmentId); |
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$sizes = is_array($metaData) === true ? (array) ($metaData['sizes'] ?? []) : []; |
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|
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return in_array($fileName, array_column($sizes, 'file'), true); |
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} |
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|
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/** |
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* Returns the file the request asks for and tells through $isImage whether it can be shown as image. |
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* A requested generated size is only used if it is registered at the attachment and stored inside the |
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* upload directory, so no arbitrary and no missing file becomes reachable. Generated sizes are always |
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* images, also for documents like PDFs, where they are the preview images shown in the media library. |
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*/ |
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private function getAttachmentFile( |
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int $attachmentId, |
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string $attachedFile, |
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string $requestedUrl, |
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string $uploadBaseDir, |
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?bool &$isImage |
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): string { |
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$requestedFileName = basename((string) parse_url($requestedUrl, PHP_URL_PATH)); |
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$sizeFile = dirname($attachedFile) . DIRECTORY_SEPARATOR . $requestedFileName; |
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|
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if ($requestedFileName !== basename($attachedFile) |
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&& $this->isRegisteredSize($attachmentId, $requestedFileName) === true |
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&& $this->isInsideUploadDirectory($sizeFile, $uploadBaseDir) === true |
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) { |
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$isImage = true; |
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|
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return $sizeFile; |
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} |
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|
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$isImage = $this->wordpress->attachmentIsImage($attachmentId); |
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|
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return $attachedFile; |
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} |
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|
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private function getAttachmentFileObject(string $objectUrl): ?FileObject |
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{ |
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$uploadDirs = $this->wordpress->getUploadDir(); |
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$requestedUrl = $this->normalizeAttachmentUrl($uploadDirs, $objectUrl); |
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$postId = $this->getPostIdByUrl($requestedUrl); |
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|
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if ($postId < 1) { |
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return null; |
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} |
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|
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$post = $this->objectHandler->getPost($postId); |
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|
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if (($post->post_type ?? '') !== ObjectHandler::ATTACHMENT_OBJECT_TYPE) { |
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return null; |
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} |
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|
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// Unfiltered, because the plugin denies the path through the get_attached_file filter for |
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// users without access. Filtered it would hide the file from the access check below, which |
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// then could not answer the request with the no rights page any more. |
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$attachedFile = $this->wordpress->getAttachedFile($post->ID, true); |
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|
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if ($attachedFile === false |
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|| $this->isInsideUploadDirectory($attachedFile, $uploadDirs['basedir']) === false |
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) { |
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return null; |
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} |
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|
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$file = $this->getAttachmentFile( |
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$post->ID, |
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$attachedFile, |
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$requestedUrl, |
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$uploadDirs['basedir'], |
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$isImage |
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); |
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|
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return $this->fileObjectFactory->createFileObject( |
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$post->ID, |
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ObjectHandler::ATTACHMENT_OBJECT_TYPE, |
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$file, |
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$isImage |
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); |
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} |
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|
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private function isInsideUploadDirectory(string $file, string $uploadBaseDir): bool |
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{ |
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$realFile = $this->php->realpath($file); |
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$realUploadBaseDir = $this->php->realpath($uploadBaseDir); |
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|
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return $realFile !== false |
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&& $realUploadBaseDir !== false |
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&& str_starts_with($realFile, $realUploadBaseDir . DIRECTORY_SEPARATOR); |
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} |
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|
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private function getFileSettingsByType(string $objectType, string $objectUrl): ?FileObject |
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{ |
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if ($objectType === ObjectHandler::ATTACHMENT_OBJECT_TYPE) { |
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return $this->getAttachmentFileObject($objectUrl); |
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} |
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|
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$extraParameter = $this->getRequestParameter('uamextra'); |
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|
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return $this->wordpress->applyFilters( |
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'uam_get_file_settings_by_type', |
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null, |
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$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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/** |
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* @throws UserGroupTypeException |
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*/ |
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public function getFile(string $objectType, string $objectUrl): void |
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{ |
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$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, $fileObject->isImage()); |
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} |
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|
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private function getRedirectUrlAndPermalink(?string &$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 = $this->getLoginUrl(); |
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} elseif ($redirect === 'origin') { |
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$referer = $this->wordpress->getReferer(); |
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$url = $referer !== false ? $referer : $this->wordpress->getHomeUrl('/'); |
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} else { |
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$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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* @throws UserGroupTypeException |
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*/ |
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public function redirectUser(bool $checkPosts = true): void |
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{ |
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if ($checkPosts === true) { |
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$posts = $this->wordpress->getWpQuery()->get_posts(); |
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|
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foreach ($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 !== $currentUrl) { |
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if ($this->mainConfig->appendRedirectToParameter() === true) { |
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$url = $this->wordpress->addQueryArg([self::REDIRECT_TO_PARAMETER => $currentUrl], $url); |
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} |
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|
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$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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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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private function extractObjectTypeAndId(mixed $pageParams, ?string &$objectType, int|string|null &$objectId): void |
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{ |
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$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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* @throws UserGroupTypeException |
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*/ |
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public function redirect(?array $headers, mixed $pageParams): ?array |
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{ |
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$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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public function getFileUrl(string $url, int|string|null $id): string |
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{ |
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// Nginx always supports real urls so we need the new urls only |
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// if we don't use nginx and mod_rewrite is disabled |
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if ($this->mainConfig->lockFile() === true |
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&& $this->wordpress->isNginx() === false |
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&& $this->wordpress->gotModRewrite() === false |
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) { |
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$post = $this->objectHandler->getPost($id); |
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|
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if ($post !== false) { |
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$type = explode('/', $post->post_mime_type); |
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$type = $type[1] ?? $type[0]; |
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|
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$lockedFileTypes = $this->mainConfig->getLockedFiles(); |
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$fileTypes = explode(',', $lockedFileTypes); |
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|
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if ($lockedFileTypes === 'all' || in_array($type, $fileTypes) === true) { |
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$url = $this->wordpress->getHomeUrl('/') . '?uamfiletype=attachment&uamgetfile=' . $url; |
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} |
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} |
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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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public function cachePostLinks(string $url, object $post): string |
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{ |
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$postUrls = (array) $this->cache->getFromRuntimeCache(self::POST_URL_CACHE_KEY); |
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$postUrls[$url] = $post->ID; |
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$this->cache->addToRuntimeCache(self::POST_URL_CACHE_KEY, $postUrls); |
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return $url; |
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} |
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|
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#[NoReturn] |
| 384 |
public function testXSendFile(): void |
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{ |
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$this->fileHandler->deliverXSendFileTestFile(); |
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} |
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} |
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|
