diff --git a/lib/ocs.php b/lib/ocs.php
index 1cec3ecc7c083cd2af5293195cdec6dcfc435db6..001965d45e3356e486f0c14f61176783d630506f 100644
--- a/lib/ocs.php
+++ b/lib/ocs.php
@@ -103,44 +103,6 @@ class OC_OCS {
 		return($txt);
 	}
 
-	/**
-	* checks if the user is authenticated
-	* checks the IP whitlist, apikeys and login/password combination
-	* if $forceuser is true and the authentication failed it returns an 401 http response.
-	* if $forceuser is false and authentification fails it returns an empty username string
-	* @param bool $forceuser
-	* @return username string
-	*/
-	private static function checkPassword($forceuser=true) {
-		//valid user account ?
-		if(isset($_SERVER['PHP_AUTH_USER'])) $authuser=$_SERVER['PHP_AUTH_USER']; else $authuser='';
-		if(isset($_SERVER['PHP_AUTH_PW']))   $authpw=$_SERVER['PHP_AUTH_PW']; else $authpw='';
-
-		if(empty($authuser)) {
-			if($forceuser) {
-				header('WWW-Authenticate: Basic realm="your valid user account or api key"');
-				header('HTTP/1.0 401 Unauthorized');
-				exit;
-			}else{
-				$identifieduser='';
-			}
-		}else{
-			if(!OC_User::login($authuser, $authpw)) {
-				if($forceuser) {
-					header('WWW-Authenticate: Basic realm="your valid user account or api key"');
-					header('HTTP/1.0 401 Unauthorized');
-					exit;
-				}else{
-					$identifieduser='';
-				}
-			}else{
-				$identifieduser=$authuser;
-			}
-		}
-
-		return($identifieduser);
-	}
-
 
 	/**
 	* generates the xml or json response for the API call from an multidimenional data array.
@@ -261,130 +223,6 @@ class OC_OCS {
 		}
 	}
 
-	/**
-	* return the config data of this server
-	* @param string $format
-	* @return string xml/json
-	*/
-	public static function apiConfig($parameters) {
-		$format = $parameters['format'];
-		$user=OC_OCS::checkpassword(false);
-		$url=substr(OCP\Util::getServerHost().$_SERVER['SCRIPT_NAME'], 0, -11).'';
-
-		$xml['version']='1.7';
-		$xml['website']='ownCloud';
-		$xml['host']=OCP\Util::getServerHost();
-		$xml['contact']='';
-		$xml['ssl']='false';
-		echo(OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'config', '', 1));
-	}
-
-	/**
-	* check if the provided login/apikey/password is valid
-	* @param string $format
-	* @param string $login
-	* @param string $passwd
-	* @return string xml/json
-	*/
-	private static function personCheck($format,$login,$passwd) {
-		if($login<>'') {
-			if(OC_User::login($login, $passwd)) {
-				$xml['person']['personid']=$login;
-				echo(OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'person', 'check', 2));
-			}else{
-				echo(OC_OCS::generatexml($format, 'failed', 102, 'login not valid'));
-			}
-		}else{
-			echo(OC_OCS::generatexml($format, 'failed', 101, 'please specify all mandatory fields'));
-		}
-	}
-
-	// ACTIVITY API #############################################
-
-	/**
-	* get my activities
-	* @param string $format
-	* @param string $page
-	* @param string $pagesize
-	* @return string xml/json
-	*/
-	private static function activityGet($format, $page, $pagesize) {
-		$user=OC_OCS::checkpassword();
-
-			//TODO
-
-		$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'activity', 'full', 2, $totalcount,$pagesize);
-		echo($txt);
-	}
-
-	/**
-	* submit a activity
-	* @param string $format
-	* @param string $message
-	* @return string xml/json
-	*/
-	private static function activityPut($format,$message) {
-		// not implemented in ownCloud
-		$user=OC_OCS::checkpassword();
-		echo(OC_OCS::generatexml($format, 'ok', 100, ''));
-	}
-
-	// PRIVATEDATA API #############################################
-
-	/**
-	* get private data and create the xml for ocs
-	* @param string $format
-	* @param string $app
-	* @param string $key
-	* @return string xml/json
-	*/
-	private static function privateDataGet($format, $app="", $key="") {
-		$user=OC_OCS::checkpassword();
-		$result=OC_OCS::getData($user, $app, $key);
-		$xml=array();
-		foreach($result as $i=>$log) {
-			$xml[$i]['key']=$log['key'];
-			$xml[$i]['app']=$log['app'];
-			$xml[$i]['value']=$log['value'];
-		}
-
-
-		$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'privatedata', 'full', 2, count($xml), 0);//TODO: replace 'privatedata' with 'attribute' once a new libattice has been released that works with it
-		echo($txt);
-	}
-
-	/**
-	* set private data referenced by $key to $value and generate the xml for ocs
-	* @param string $format
-	* @param string $app
-	* @param string $key
-	* @param string $value
-	* @return string xml/json
-	*/
-	private static function privateDataSet($format, $app, $key, $value) {
-		$user=OC_OCS::checkpassword();
-		if(OC_OCS::setData($user, $app, $key, $value)) {
-			echo(OC_OCS::generatexml($format, 'ok', 100, ''));
-		}
-	}
-
-	/**
-	* delete private data referenced by $key and generate the xml for ocs
-	* @param string $format
-	* @param string $app
-	* @param string $key
-	* @return string xml/json
-	*/
-	private static function privateDataDelete($format, $app, $key) {
-		if($key=="" or $app=="") {
-			return; //key and app are NOT optional here
-		}
-		$user=OC_OCS::checkpassword();
-		if(OC_OCS::deleteData($user, $app, $key)) {
-			echo(OC_OCS::generatexml($format, 'ok', 100, ''));
-		}
-	}
-
 	/**
 	* get private data
 	* @param string $user
@@ -416,93 +254,6 @@ class OC_OCS {
 		return $result;
 	}
 
-	/**
-	* set private data referenced by $key to $value
-	* @param string $user
-	* @param string $app
-	* @param string $key
-	* @param string $value
-	* @return bool
-	*/
-	public static function setData($user, $app, $key, $value) {
-		return OC_Preferences::setValue($user, $app, $key, $value);
-	}
-
-	/**
-	* delete private data referenced by $key
-	* @param string $user
-	* @param string $app
-	* @param string $key
-	* @return string xml/json
-	*/
-	public static function deleteData($user, $app, $key) {
-		return OC_Preferences::deleteKey($user, $app, $key);
-	}
-
-
-        // CLOUD API #############################################
-
-        /**
-        * get a list of installed web apps
-        * @param string $format
-        * @return string xml/json
-        */
-        private static function systemWebApps($format) {
-                $login=OC_OCS::checkpassword();
-		$apps=OC_App::getEnabledApps();
-		$values=array();
-		foreach($apps as $app) {
-			$info=OC_App::getAppInfo($app);
-			if(isset($info['standalone'])) {
-				$newvalue=array('name'=>$info['name'],'url'=>OC_Helper::linkToAbsolute($app,''),'icon'=>'');
-				$values[]=$newvalue;
-			}
-
-		}
-		$txt=OC_OCS::generatexml($format, 'ok', 100, '', $values, 'cloud', '', 2, 0, 0);
-		echo($txt);
-
-        }
-
-
-        /**
-        * get the quota of a user
-        * @param string $format
-        * @param string $user
-        * @return string xml/json
-        */
-        private static function quotaGet($format,$user) {
-                $login=OC_OCS::checkpassword();
-		if(OC_Group::inGroup($login, 'admin') or ($login==$user)) {
-
-			if(OC_User::userExists($user)) {
-				// calculate the disc space
-				$user_dir = '/'.$user.'/files';
-				OC_Filesystem::init($user_dir);
-				$rootInfo=OC_FileCache::get('');
-				$sharedInfo=OC_FileCache::get('/Shared');
-				$used=$rootInfo['size']-$sharedInfo['size'];
-				$free=OC_Filesystem::free_space();
-				$total=$free+$used;
-				if($total==0) $total=1;  // prevent division by zero
-				$relative=round(($used/$total)*10000)/100;
-
-				$xml=array();
-				$xml['quota']=$total;
-				$xml['free']=$free;
-				$xml['used']=$used;
-				$xml['relative']=$relative;
-
-				$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'cloud', '', 1, 0, 0);
-				echo($txt);
-			}else{
-				echo self::generateXml('', 'fail', 300, 'User does not exist');
-			}
-		}else{
-			echo self::generateXml('', 'fail', 300, 'You don´t have permission to access this ressource.');
-		}
-        }
-
         /**
         * set the quota of a user
         * @param string $format
@@ -527,45 +278,4 @@ class OC_OCS {
                 }
         }
 
-        /**
-        * get the public key of a user
-        * @param string $format
-        * @param string $user
-        * @return string xml/json
-        */
-        private static function publicKeyGet($format,$user) {
-                $login=OC_OCS::checkpassword();
-
-		if(OC_User::userExists($user)) {
-			// calculate the disc space
-			$txt='this is the public key of '.$user;
-			echo($txt);
-		}else{
-			echo self::generateXml('', 'fail', 300, 'User does not exist');
-		}
-	}
-
-        /**
-        * get the private key of a user
-        * @param string $format
-        * @param string $user
-        * @return string xml/json
-        */
-        private static function privateKeyGet($format,$user) {
-                $login=OC_OCS::checkpassword();
-                if(OC_Group::inGroup($login, 'admin') or ($login==$user)) {
-
-                        if(OC_User::userExists($user)) {
-                                // calculate the disc space
-                                $txt='this is the private key of '.$user;
-                                echo($txt);
-                        }else{
-                                echo self::generateXml('', 'fail', 300, 'User does not exist');
-                        }
-                }else{
-                        echo self::generateXml('', 'fail', 300, 'You don´t have permission to access this ressource.');
-                }
-        }
-
-
 }
diff --git a/lib/ocs/cloud.php b/lib/ocs/cloud.php
index 720cc0ade39678e7087bbd97fd2f612383ec1647..b5cfbc295e87eff71a195787fa45db42ad08b715 100644
--- a/lib/ocs/cloud.php
+++ b/lib/ocs/cloud.php
@@ -17,7 +17,6 @@ class OC_OCS_Cloud {
 	}
 	
 	public static function getUserQuota($parameters){
-		OC_Util::checkLoggedIn();
 		$user = OC_User::getUser();
 		if(OC_Group::inGroup($user, 'admin') or ($user==$parameters['user'])) {
 
@@ -41,44 +40,25 @@ class OC_OCS_Cloud {
 
 				return new OC_OCS_Result($xml);
 			}else{
-				return 300;
+				return new OC_OCS_Result(null, 300);
 			}
 		}else{
-			return 300;
-		}
-	}
-	
-	public static function setUserQuota($parameters){
-		OC_Util::checkLoggedIn();
-		$user = OC_User::getUser();
-		if(OC_Group::inGroup($user, 'admin')) {
-		
-			// todo
-			// not yet implemented
-			// add logic here
-			error_log('OCS call: user:'.$parameters['user'].' quota:'.$parameters['quota']);
-			
-			$xml=array();
-			return $xml;
-		}else{
-			return 300;
+			return new OC_OCS_Result(null, 300);
 		}
 	}
 	
 	public static function getUserPublickey($parameters){
-		OC_Util::checkLoggedIn();
 
 		if(OC_User::userExists($parameters['user'])){
 			// calculate the disc space
 			// TODO
-			return array();
+			return new OC_OCS_Result(array());
 		}else{
-			return 300;
+			return new OC_OCS_Result(null, 300);
 		}
 	}
 	
 	public static function getUserPrivatekey($parameters){
-		OC_Util::checkLoggedIn();
 		$user = OC_User::getUser();
 		if(OC_Group::inGroup($user, 'admin') or ($user==$parameters['user'])) {
 
@@ -87,10 +67,10 @@ class OC_OCS_Cloud {
 				$txt='this is the private key of '.$parameters['user'];
 				echo($txt);
 			}else{
-				echo self::generateXml('', 'fail', 300, 'User does not exist');
+				return new OC_OCS_Result(null, 300, 'User does not exist');
 			}
 		}else{
-			echo self::generateXml('', 'fail', 300, 'You don´t have permission to access this ressource.');
+			return new OC_OCS_Result('null', 300, 'You don´t have permission to access this ressource.');
 		}
 	}
 }
diff --git a/lib/ocs/config.php b/lib/ocs/config.php
index eb9e470381a9e4481f61b15cb101a4fc5d6eba6c..52affcd65ee6e67008a4977d64f73c484910cfb7 100644
--- a/lib/ocs/config.php
+++ b/lib/ocs/config.php
@@ -10,4 +10,5 @@ class OC_OCS_Config {
 		$xml['ssl'] = 'false';
 		return new OC_OCS_Result($xml);
 	}
+	
 }
diff --git a/lib/ocs/privatedata.php b/lib/ocs/privatedata.php
index 02ca31f2d29f29bd0b359c2e650f3991309d59ed..09d636bd7331af501ad5fe05aa9ccea10f190b99 100644
--- a/lib/ocs/privatedata.php
+++ b/lib/ocs/privatedata.php
@@ -8,7 +8,7 @@ class OC_OCS_Privatedata {
 		$app = addslashes(strip_tags($parameters['app']));
 		$key = addslashes(strip_tags($parameters['key']));
 		$result = OC_OCS::getData($user,$app,$key);
-		$xml=  array();
+		$xml = array();
 		foreach($result as $i=>$log) {
 			$xml[$i]['key']=$log['key'];
 			$xml[$i]['app']=$log['app'];
@@ -24,7 +24,7 @@ class OC_OCS_Privatedata {
 		$app = addslashes(strip_tags($parameters['app']));
 		$key = addslashes(strip_tags($parameters['key']));
 		$value = OC_OCS::readData('post', 'value', 'text');
-		if(OC_OCS::setData($user,$app,$key,$value)){
+		if(OC_Preferences::setValue($user,$app,$key,$value)){
 			return new OC_OCS_Result(null, 100);
 		}
 	}
@@ -37,7 +37,7 @@ class OC_OCS_Privatedata {
 		if($key=="" or $app==""){
 			return new OC_OCS_Result(null, 101); //key and app are NOT optional here
 		}
-		if(OC_OCS::deleteData($user,$app,$key)){
+		if(OC_Preferences::deleteKey($user,$app,$key)){
 			return new OC_OCS_Result(null, 100);
 		}
 	}
diff --git a/ocs/routes.php b/ocs/routes.php
index 6b01abe31f2e4141c56e8273863ce88a06d2f899..033d9b79df28aad028736eca29ce7109abece9ed 100644
--- a/ocs/routes.php
+++ b/ocs/routes.php
@@ -10,7 +10,13 @@ OC_API::register('get', '/config', array('OC_OCS_Config', 'apiConfig'), 'ocs', O
 // Person
 OC_API::register('post', '/person/check', array('OC_OCS_Person', 'check'), 'ocs', OC_API::GUEST_AUTH);
 // Activity
-OC_API::register('get', '/activity', array('OC_OCS_Activity', 'activityGet'), 'ocs', OC_API::USER_AUTH);
+OC_API::register('get', '/activity', array('OC_OCS_Activity', 'activityGet'), 'ocs', OC_API::USER_AUTH); 
+
+
+//activity put, keygetpublic, keygetprivate
+
+
+
 // Privatedata
 OC_API::register('get', '/privatedata/getattribute', array('OC_OCS_Privatedata', 'get'), 'ocs', OC_API::USER_AUTH, array('app' => '', 'key' => ''));
 OC_API::register('get', '/privatedata/getattribute/{app}', array('OC_OCS_Privatedata', 'get'), 'ocs', OC_API::USER_AUTH, array('key' => ''));