6 files changed, 49 insertions, 12 deletions
diff --git a/lib/private/appframework/app.php b/lib/private/appframework/app.php
index 6d3effbf1fa..b835188661a 100644
--- a/lib/private/appframework/app.php
+++ b/lib/private/appframework/app.php
@@ -43,8 +43,12 @@ class App {
 	 *                               stored in the DI container
 	 * @param string $methodName the method that you want to call
 	 * @param DIContainer $container an instance of a pimple container.
+	 * @param array $urlParams list of URL parameters (optional)
 	 */
-	public static function main($controllerName, $methodName, IAppContainer $container) {
+	public static function main($controllerName, $methodName, DIContainer $container, array $urlParams = null) {
+		if (!is_null($urlParams)) {
+			$container['urlParams'] = $urlParams;
+		}
 		$controller = $container[$controllerName];
 
 		// initialize the dispatcher and run all the middleware before the controller
diff --git a/lib/private/appframework/routing/routeactionhandler.php b/lib/private/appframework/routing/routeactionhandler.php
index 7fb56f14eab..2b9dc38dc43 100644
--- a/lib/private/appframework/routing/routeactionhandler.php
+++ b/lib/private/appframework/routing/routeactionhandler.php
@@ -37,6 +37,6 @@ class RouteActionHandler {
 	}
 
 	public function __invoke($params) {
-		App::main($this->controllerName, $this->actionName, $params, $this->container);
+		App::main($this->controllerName, $this->actionName, $this->container, $params);
 	}
 }
diff --git a/lib/private/avatar.php b/lib/private/avatar.php
index 814a9b22bed..e97f55eecaf 100644
--- a/lib/private/avatar.php
+++ b/lib/private/avatar.php
@@ -44,15 +44,19 @@ class OC_Avatar implements \OCP\IAvatar {
 
 	/**
 	 * @brief sets the users avatar
-	 * @param $data mixed imagedata or path to set a new avatar
+	 * @param $data mixed OC_Image, imagedata or path to set a new avatar
 	 * @throws Exception if the provided file is not a jpg or png image
 	 * @throws Exception if the provided image is not valid
 	 * @throws \OC\NotSquareException if the image is not square
 	 * @return void
 	*/
 	public function set ($data) {
-
-		$img = new OC_Image($data);
+		if($data instanceOf OC_Image) {
+			$img = $data;
+			$data = $img->data();
+		} else {
+			$img = new OC_Image($data);
+		}
 		$type = substr($img->mimeType(), -3);
 		if ($type === 'peg') {
 			$type = 'jpg';
diff --git a/lib/private/user.php b/lib/private/user.php
index 5bd36006750..210e5ed3f02 100644
--- a/lib/private/user.php
+++ b/lib/private/user.php
@@ -425,6 +425,22 @@ class OC_User {
 	}
 
 	/**
+	 * @brief Check whether user can change his avatar
+	 * @param string $uid The username
+	 * @return bool
+	 *
+	 * Check whether a specified user can change his avatar
+	 */
+	public static function canUserChangeAvatar($uid) {
+		$user = self::getManager()->get($uid);
+		if ($user) {
+			return $user->canChangeAvatar();
+		} else {
+			return false;
+		}
+	}
+
+	/**
 	 * @brief Check whether user can change his password
 	 * @param string $uid The username
 	 * @return bool
diff --git a/lib/private/user/backend.php b/lib/private/user/backend.php
index e9be08e429c..02c93d13bdf 100644
--- a/lib/private/user/backend.php
+++ b/lib/private/user/backend.php
@@ -31,13 +31,13 @@ define('OC_USER_BACKEND_NOT_IMPLEMENTED',   -501);
 /**
  * actions that user backends can define
  */
-define('OC_USER_BACKEND_CREATE_USER',       0x000001);
-define('OC_USER_BACKEND_SET_PASSWORD',      0x000010);
-define('OC_USER_BACKEND_CHECK_PASSWORD',    0x000100);
-define('OC_USER_BACKEND_GET_HOME',			0x001000);
-define('OC_USER_BACKEND_GET_DISPLAYNAME',	0x010000);
-define('OC_USER_BACKEND_SET_DISPLAYNAME',	0x100000);
-
+define('OC_USER_BACKEND_CREATE_USER',       0x0000001);
+define('OC_USER_BACKEND_SET_PASSWORD',      0x0000010);
+define('OC_USER_BACKEND_CHECK_PASSWORD',    0x0000100);
+define('OC_USER_BACKEND_GET_HOME',			0x0001000);
+define('OC_USER_BACKEND_GET_DISPLAYNAME',	0x0010000);
+define('OC_USER_BACKEND_SET_DISPLAYNAME',	0x0100000);
+define('OC_USER_BACKEND_PROVIDE_AVATAR',	0x1000000);
 
 /**
  * Abstract base class for user management. Provides methods for querying backend
@@ -54,6 +54,7 @@ abstract class OC_User_Backend implements OC_User_Interface {
 		OC_USER_BACKEND_GET_HOME => 'getHome',
 		OC_USER_BACKEND_GET_DISPLAYNAME => 'getDisplayName',
 		OC_USER_BACKEND_SET_DISPLAYNAME => 'setDisplayName',
+		OC_USER_BACKEND_PROVIDE_AVATAR => 'canChangeAvatar',
 	);
 
 	/**
diff --git a/lib/private/user/user.php b/lib/private/user/user.php
index e5f842944f1..e773473ec41 100644
--- a/lib/private/user/user.php
+++ b/lib/private/user/user.php
@@ -140,6 +140,18 @@ class User {
 	}
 
 	/**
+	 * check if the backend allows the user to change his avatar on Personal page
+	 *
+	 * @return bool
+	 */
+	public function canChangeAvatar() {
+		if($this->backend->implementsActions(\OC_USER_BACKEND_PROVIDE_AVATAR)) {
+			return $this->backend->canChangeAvatar($this->uid);
+		}
+		return true;
+	}
+
+	/**
 	 * check if the backend supports changing passwords
 	 *
 	 * @return bool