Merge pull request #8444 from owncloud/cleanup-list-code

Cleanup code of files_sharing/ajax/ a little bit

apps/files_sharing/ajax/list.php

@@ -20,12 +20,10 @@
  *
  */
 
-if(!\OC_App::isEnabled('files_sharing')){
-	exit;
-}
+OCP\JSON::checkAppEnabled('files_sharing');
 
 if(!isset($_GET['t'])){
-	\OC_Response::setStatus(400); //400 Bad Request
+	\OC_Response::setStatus(\OC_Response::STATUS_BAD_REQUEST);
 	\OC_Log::write('core-preview', 'No token parameter was passed', \OC_Log::DEBUG);
 	exit;
 }
@@ -53,13 +51,12 @@ $dir = $data['realPath'];
 
 $dir = \OC\Files\Filesystem::normalizePath($dir);
 if (!\OC\Files\Filesystem::is_dir($dir . '/')) {
-	\OC_Response::setStatus(404);
+	\OC_Response::setStatus(\OC_Response::STATUS_NOT_FOUND);
 	\OCP\JSON::error(array('success' => false));
 	exit();
 }
 
 $data = array();
-$baseUrl = OCP\Util::linkTo('files_sharing', 'index.php') . '?t=' . urlencode($token) . '&dir=';
 
 // make filelist
 $files = \OCA\Files\Helper::getFiles($dir, $sortAttribute, $sortDirection);

apps/files_sharing/ajax/publicpreview.php

@@ -5,9 +5,8 @@
  * later.
  * See the COPYING-README file.
  */
-if(!\OC_App::isEnabled('files_sharing')){
-	exit;
-}
+
+OCP\JSON::checkAppEnabled('files_sharing');
 
 \OC_User::setIncognitoMode(true);
 
@@ -19,20 +18,20 @@ $token = array_key_exists('t', $_GET) ? (string) $_GET['t'] : '';
 $keepAspect = array_key_exists('a', $_GET) ? true : false;
 
 if($token === ''){
-	\OC_Response::setStatus(400); //400 Bad Request
+	\OC_Response::setStatus(\OC_Response::STATUS_BAD_REQUEST);
 	\OC_Log::write('core-preview', 'No token parameter was passed', \OC_Log::DEBUG);
 	exit;
 }
 
 $linkedItem = \OCP\Share::getShareByToken($token);
 if($linkedItem === false || ($linkedItem['item_type'] !== 'file' && $linkedItem['item_type'] !== 'folder')) {
-	\OC_Response::setStatus(404);
+	\OC_Response::setStatus(\OC_Response::STATUS_NOT_FOUND);
 	\OC_Log::write('core-preview', 'Passed token parameter is not valid', \OC_Log::DEBUG);
 	exit;
 }
 
 if(!isset($linkedItem['uid_owner']) || !isset($linkedItem['file_source'])) {
-	\OC_Response::setStatus(500);
+	\OC_Response::setStatus(\OC_Response::STATUS_INTERNAL_SERVER_ERROR);
 	\OC_Log::write('core-preview', 'Passed token seems to be valid, but it does not contain all necessary information . ("' . $token . '")', \OC_Log::WARN);
 	exit;
 }
@@ -51,9 +50,9 @@ $pathInfo = $view->getFileInfo($path);
 $sharedFile = null;
 
 if($linkedItem['item_type'] === 'folder') {
-	$isvalid = \OC\Files\Filesystem::isValidPath($file);
-	if(!$isvalid) {
-		\OC_Response::setStatus(400); //400 Bad Request
+	$isValid = \OC\Files\Filesystem::isValidPath($file);
+	if(!$isValid) {
+		\OC_Response::setStatus(\OC_Response::STATUS_BAD_REQUEST);
 		\OC_Log::write('core-preview', 'Passed filename is not valid, might be malicious (file:"' . $file . '";ip:"' . $_SERVER['REMOTE_ADDR'] . '")', \OC_Log::WARN);
 		exit;
 	}
@@ -76,7 +75,7 @@ if ($keepAspect === true) {
 }
 
 if($maxX === 0 || $maxY === 0) {
-	\OC_Response::setStatus(400); //400 Bad Request
+	\OC_Response::setStatus(\OC_Response::STATUS_BAD_REQUEST);
 	\OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
 	exit;
 }
@@ -93,6 +92,6 @@ try{
 
 	$preview->showPreview();
 } catch (\Exception $e) {
-	\OC_Response::setStatus(500);
+	\OC_Response::setStatus(\OC_Response::STATUS_INTERNAL_SERVER_ERROR);
 	\OC_Log::write('core', $e->getmessage(), \OC_Log::DEBUG);
 }

lib/private/response.php

@@ -10,6 +10,7 @@ class OC_Response {
 	const STATUS_FOUND = 304;
 	const STATUS_NOT_MODIFIED = 304;
 	const STATUS_TEMPORARY_REDIRECT = 307;
+	const STATUS_BAD_REQUEST = 400;
 	const STATUS_NOT_FOUND = 404;
 	const STATUS_INTERNAL_SERVER_ERROR = 500;
 	const STATUS_SERVICE_UNAVAILABLE = 503;