port webdav authentication to the multiuser system

webdav/owncloud.php

@@ -38,8 +38,11 @@ if(empty($_SERVER['PHP_AUTH_USER']) && empty($_SERVER['REDIRECT_REMOTE_USER']))
 
 $user=$_SERVER['PHP_AUTH_USER'];
 $passwd=$_SERVER['PHP_AUTH_PW'];
-if(($user==$CONFIG_ADMINLOGIN) and ($passwd==$CONFIG_ADMINPASSWORD )){
-
+if(OC_USER::login($user,$passwd)){
+	$CONFIG_DATADIRECTORY=$SERVERROOT.'/data/'.$_SESSION['username_clean'];
+	if(!is_dir($CONFIG_DATADIRECTORY)){
+		mkdir($CONFIG_DATADIRECTORY);
+	}
 	$server = new HTTP_WebDAV_Server_Filesystem();
 	$server->db_name = $CONFIG_DBNAME;
 	$server->ServeRequest($CONFIG_DATADIRECTORY);