diff --git a/apps/files_sharing/lib/Controller/PublicPreviewController.php b/apps/files_sharing/lib/Controller/PublicPreviewController.php index 49e48993f5..b3c1db8e50 100644 --- a/apps/files_sharing/lib/Controller/PublicPreviewController.php +++ b/apps/files_sharing/lib/Controller/PublicPreviewController.php @@ -101,4 +101,50 @@ class PublicPreviewController extends Controller { return new DataResponse([], Http::STATUS_BAD_REQUEST); } } + + /** + * @PublicPage + * @NoCSRFRequired + * + * @param $token + * @return DataResponse|FileDisplayResponse + */ + public function directLink($token) { + // No token no image + if ($token === '') { + return new DataResponse([], Http::STATUS_BAD_REQUEST); + } + + // No share no image + try { + $share = $this->shareManager->getShareByToken($token); + } catch (ShareNotFound $e) { + return new DataResponse([], Http::STATUS_NOT_FOUND); + } + + // No permissions no image + if (($share->getPermissions() & Constants::PERMISSION_READ) === 0) { + return new DataResponse([], Http::STATUS_FORBIDDEN); + } + + // Password protected shares have no direct link! + if ($share->getPassword() !== null) { + return new DataResponse([], Http::STATUS_FORBIDDEN); + } + + try { + $node = $share->getNode(); + if ($node instanceof Folder) { + // Direct link only works for single files + return new DataResponse([], Http::STATUS_BAD_REQUEST); + } + + $f = $this->previewManager->getPreview($node, -1, -1, false); + return new FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]); + } catch (NotFoundException $e) { + return new DataResponse([], Http::STATUS_NOT_FOUND); + } catch (\InvalidArgumentException $e) { + return new DataResponse([], Http::STATUS_BAD_REQUEST); + } + } } diff --git a/core/routes.php b/core/routes.php index a572c83d74..af445d9da8 100644 --- a/core/routes.php +++ b/core/routes.php @@ -135,6 +135,14 @@ $this->create('files_sharing.sharecontroller.downloadShare', '/s/{token}/downloa throw new \OC\HintException('App file sharing is not enabled'); } }); +$this->create('files_sharing.publicpreview.directLink', '/s/{token}/preview')->get()->action(function($urlParams) { + if (class_exists(\OCA\Files_Sharing\AppInfo\Application::class, false)) { + $app = new \OCA\Files_Sharing\AppInfo\Application($urlParams); + $app->dispatch('PublicPreviewController', 'directLink'); + } else { + throw new \OC\HintException('App file sharing is not enabled'); + } +}); // used for heartbeat $this->create('heartbeat', '/heartbeat')->action(function(){