1 files changed, 41 insertions, 3 deletions

diff --git a/lib/private/appframework/app.php b/lib/private/appframework/app.php
index f56ba4af870..b94c7bd9957 100644
--- a/lib/private/appframework/app.php
+++ b/lib/private/appframework/app.php
@@ -24,8 +24,9 @@
 
 namespace OC\AppFramework;
 
-use OC\AppFramework\DependencyInjection\DIContainer;
-
+use \OC_App;
+use \OC\AppFramework\DependencyInjection\DIContainer;
+use \OCP\AppFramework\QueryException;
 
 /**
  * Entry point for every request in your app. You can consider this as your
@@ -37,6 +38,34 @@ class App {
 
 
 	/**
+	 * Turns an app id into a namespace by either reading the appinfo.xml's
+	 * namespace tag or uppercasing the appid's first letter
+	 * @param string $appId the app id
+	 * @param string $topNamespace the namespace which should be prepended to
+	 * the transformed app id, defaults to OCA\
+	 * @return string the starting namespace for the app
+	 */
+	public static function buildAppNamespace($appId, $topNamespace='OCA\\') {
+		// first try to parse the app's appinfo/info.xml <namespace> tag
+		$filePath = OC_App::getAppPath($appId) . '/appinfo/info.xml';
+		$loadEntities = libxml_disable_entity_loader(false);
+		$xml = @simplexml_load_file($filePath);
+		libxml_disable_entity_loader($loadEntities);
+
+		if ($xml) {
+			$result = $xml->xpath('/info/namespace');
+			if ($result && count($result) > 0) {
+				// take first namespace result
+				return $topNamespace . trim((string) $result[0]);
+			}
+		}
+
+		// if the tag is not found, fall back to uppercasing the first letter
+		return $topNamespace . ucfirst($appId);
+	}
+
+
+	/**
 	 * Shortcut for calling a controller method and printing the result
 	 * @param string $controllerName the name of the controller under which it is
 	 *                               stored in the DI container
@@ -48,7 +77,16 @@ class App {
 		if (!is_null($urlParams)) {
 			$container['urlParams'] = $urlParams;
 		}
-		$controller = $container[$controllerName];
+		$appName = $container['AppName'];
+
+		// first try $controllerName then go for \OCA\AppName\Controller\$controllerName
+		try {
+			$controller = $container->query($controllerName);
+		} catch(QueryException $e) {
+			$appNameSpace = self::buildAppNamespace($appName);
+			$controllerName = $appNameSpace . '\\Controller\\' . $controllerName;
+			$controller = $container->query($controllerName);
+		}
 
 		// initialize the dispatcher and run all the middleware before the controller
 		$dispatcher = $container['Dispatcher'];