Merge branch 'master' into fixing-1424-master

13 files changed, 666 insertions, 17 deletions

diff --git a/lib/app.php b/lib/app.php
index 3a4e21e8cd1..ca256ed1aaa 100644
--- a/lib/app.php
+++ b/lib/app.php
@@ -39,6 +39,15 @@ class OC_App{
 	static private $altLogin = array();
 
 	/**
+	 * @brief clean the appid
+	 * @param $app Appid that needs to be cleaned
+	 * @return string
+	 */
+	public static function cleanAppId($app) {
+		return str_replace(array('\0', '/', '\\', '..'), '', $app);
+	}
+
+	/**
 	 * @brief loads all apps
 	 * @param array $types
 	 * @return bool
@@ -286,6 +295,23 @@ class OC_App{
 	}
 
 	/**
+	 * @brief Get the navigation entries for the $app
+	 * @param string $app app
+	 * @return array of the $data added with addNavigationEntry
+	 */
+	public static function getAppNavigationEntries($app) {
+		if(is_file(self::getAppPath($app).'/appinfo/app.php')) {
+			$save = self::$navigation;
+			self::$navigation = array();
+			require $app.'/appinfo/app.php';
+			$app_entries = self::$navigation;
+			self::$navigation = $save;
+			return $app_entries;
+		}
+		return array();
+	}
+
+	/**
 	 * @brief gets the active Menu entry
 	 * @return string id or empty string
 	 *
diff --git a/lib/archive/tar.php b/lib/archive/tar.php
index 117d88e5f42..e7c81389619 100644
--- a/lib/archive/tar.php
+++ b/lib/archive/tar.php
@@ -6,7 +6,7 @@
  * See the COPYING-README file.
  */
 
-require_once 'Archive/Tar.php';
+require_once OC::$THIRDPARTYROOT . '/3rdparty/Archive/Tar.php';
 
 class OC_Archive_TAR extends OC_Archive{
 	const PLAIN=0;
diff --git a/lib/base.php b/lib/base.php
index 5bfdb0b7c0a..c60a97100f4 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -346,7 +346,7 @@ class OC {
 	public static function init() {
 		// register autoloader
 		spl_autoload_register(array('OC', 'autoload'));
-		setlocale(LC_ALL, 'en_US.UTF-8');
+		OC_Util::issetlocaleworking();
 
 		// set some stuff
 		//ob_start();
@@ -468,7 +468,7 @@ class OC {
 		register_shutdown_function(array('OC_Helper', 'cleanTmp'));
 
 		//parse the given parameters
-		self::$REQUESTEDAPP = (isset($_GET['app']) && trim($_GET['app']) != '' && !is_null($_GET['app']) ? str_replace(array('\0', '/', '\\', '..'), '', strip_tags($_GET['app'])) : OC_Config::getValue('defaultapp', 'files'));
+		self::$REQUESTEDAPP = (isset($_GET['app']) && trim($_GET['app']) != '' && !is_null($_GET['app']) ? OC_App::cleanAppId(strip_tags($_GET['app'])) : OC_Config::getValue('defaultapp', 'files'));
 		if (substr_count(self::$REQUESTEDAPP, '?') != 0) {
 			$app = substr(self::$REQUESTEDAPP, 0, strpos(self::$REQUESTEDAPP, '?'));
 			$param = substr($_GET['app'], strpos($_GET['app'], '?') + 1);
@@ -498,7 +498,7 @@ class OC {
 
 		// write error into log if locale can't be set
 		if (OC_Util::issetlocaleworking() == false) {
-			OC_Log::write('core', 'setting locale to en_US.UTF-8 failed. Support is probably not installed on your system', OC_Log::ERROR);
+			OC_Log::write('core', 'setting locale to en_US.UTF-8/en_US.UTF8 failed. Support is probably not installed on your system', OC_Log::ERROR);
 		}
 		if (OC_Config::getValue('installed', false)) {
 			if (OC_Appconfig::getValue('core', 'backgroundjobs_mode', 'ajax') == 'ajax') {
@@ -548,6 +548,7 @@ class OC {
 			require_once 'core/setup.php';
 			exit();
 		}
+
 		$request = OC_Request::getPathInfo();
 		if(substr($request, -3) !== '.js'){// we need these files during the upgrade
 			self::checkMaintenanceMode();
@@ -556,6 +557,7 @@ class OC {
 
 		if (!self::$CLI) {
 			try {
+				OC_App::loadApps();
 				OC::getRouter()->match(OC_Request::getPathInfo());
 				return;
 			} catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
diff --git a/lib/files/cache/scanner.php b/lib/files/cache/scanner.php
index 8d504af6163..9a5546dce3f 100644
--- a/lib/files/cache/scanner.php
+++ b/lib/files/cache/scanner.php
@@ -138,7 +138,7 @@ class Scanner {
 	 * walk over any folders that are not fully scanned yet and scan them
 	 */
 	public function backgroundScan() {
-		while ($path = $this->cache->getIncomplete()) {
+		while (($path = $this->cache->getIncomplete()) !== false) {
 			$this->scan($path);
 			$this->cache->correctFolderSize($path);
 		}
diff --git a/lib/files/mapper.php b/lib/files/mapper.php
new file mode 100644
index 00000000000..90e4e1ca669
--- /dev/null
+++ b/lib/files/mapper.php
@@ -0,0 +1,216 @@
+<?php
+
+namespace OC\Files;
+
+/**
+ * class Mapper is responsible to translate logical paths to physical paths and reverse
+ */
+class Mapper
+{
+	/**
+	 * @param string $logicPath
+	 * @param bool $create indicates if the generated physical name shall be stored in the database or not
+	 * @return string the physical path
+	 */
+	public function logicToPhysical($logicPath, $create) {
+		$physicalPath = $this->resolveLogicPath($logicPath);
+		if ($physicalPath !== null) {
+			return $physicalPath;
+		}
+
+		return $this->create($logicPath, $create);
+	}
+
+	/**
+	 * @param string $physicalPath
+	 * @return string|null
+	 */
+	public function physicalToLogic($physicalPath) {
+		$logicPath = $this->resolvePhysicalPath($physicalPath);
+		if ($logicPath !== null) {
+			return $logicPath;
+		}
+
+		$this->insert($physicalPath, $physicalPath);
+		return $physicalPath;
+	}
+
+	/**
+	 * @param string $path
+	 * @param bool $isLogicPath indicates if $path is logical or physical
+	 * @param $recursive
+	 */
+	public function removePath($path, $isLogicPath, $recursive) {
+		if ($recursive) {
+			$path=$path.'%';
+		}
+
+		if ($isLogicPath) {
+			$query = \OC_DB::prepare('DELETE FROM `*PREFIX*file_map` WHERE `logic_path` LIKE ?');
+			$query->execute(array($path));
+		} else {
+			$query = \OC_DB::prepare('DELETE FROM `*PREFIX*file_map` WHERE `physic_path` LIKE ?');
+			$query->execute(array($path));
+		}
+	}
+
+	/**
+	 * @param $path1
+	 * @param $path2
+	 * @throws \Exception
+	 */
+	public function copy($path1, $path2)
+	{
+		$path1 = $this->stripLast($path1);
+		$path2 = $this->stripLast($path2);
+		$physicPath1 = $this->logicToPhysical($path1, true);
+		$physicPath2 = $this->logicToPhysical($path2, true);
+
+		$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*file_map` WHERE `logic_path` LIKE ?');
+		$result = $query->execute(array($path1.'%'));
+		$updateQuery = \OC_DB::prepare('UPDATE `*PREFIX*file_map`'
+			.' SET `logic_path` = ?'
+			.' AND `physic_path` = ?'
+			.' WHERE `logic_path` = ?');
+		while( $row = $result->fetchRow()) {
+			$currentLogic = $row['logic_path'];
+			$currentPhysic = $row['physic_path'];
+			$newLogic = $path2.$this->stripRootFolder($currentLogic, $path1);
+			$newPhysic = $physicPath2.$this->stripRootFolder($currentPhysic, $physicPath1);
+			if ($path1 !== $currentLogic) {
+				try {
+					$updateQuery->execute(array($newLogic, $newPhysic, $currentLogic));
+				} catch (\Exception $e) {
+					error_log('Mapper::Copy failed '.$currentLogic.' -> '.$newLogic.'\n'.$e);
+					throw $e;
+				}
+			}
+		}
+	}
+
+	/**
+	 * @param $path
+	 * @param $root
+	 * @return bool|string
+	 */
+	public function stripRootFolder($path, $root) {
+		if (strpos($path, $root) !== 0) {
+			// throw exception ???
+			return false;
+		}
+		if (strlen($path) > strlen($root)) {
+			return substr($path, strlen($root));
+		}
+
+		return '';
+	}
+
+	private function stripLast($path) {
+		if (substr($path, -1) == '/') {
+			$path = substr_replace($path ,'',-1);
+		}
+		return $path;
+	}
+
+	private function resolveLogicPath($logicPath) {
+		$logicPath = $this->stripLast($logicPath);
+		$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*file_map` WHERE `logic_path` = ?');
+		$result = $query->execute(array($logicPath));
+		$result = $result->fetchRow();
+
+		return $result['physic_path'];
+	}
+
+	private function resolvePhysicalPath($physicalPath) {
+		$physicalPath = $this->stripLast($physicalPath);
+		$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*file_map` WHERE `physic_path` = ?');
+		$result = $query->execute(array($physicalPath));
+		$result = $result->fetchRow();
+
+		return $result['logic_path'];
+	}
+
+	private function create($logicPath, $store) {
+		$logicPath = $this->stripLast($logicPath);
+		$index = 0;
+
+		// create the slugified path
+		$physicalPath = $this->slugifyPath($logicPath);
+
+		// detect duplicates
+		while ($this->resolvePhysicalPath($physicalPath) !== null) {
+			$physicalPath = $this->slugifyPath($physicalPath, $index++);
+		}
+
+		// insert the new path mapping if requested
+		if ($store) {
+			$this->insert($logicPath, $physicalPath);
+		}
+
+		return $physicalPath;
+	}
+
+	private function insert($logicPath, $physicalPath) {
+		$query = \OC_DB::prepare('INSERT INTO `*PREFIX*file_map`(`logic_path`,`physic_path`) VALUES(?,?)');
+		$query->execute(array($logicPath, $physicalPath));
+	}
+
+	private function slugifyPath($path, $index=null) {
+		$pathElements = explode('/', $path);
+		$sluggedElements = array();
+
+		// skip slugging the drive letter on windows - TODO: test if local path
+		if (strpos(strtolower(php_uname('s')), 'win') !== false) {
+			$sluggedElements[]= $pathElements[0];
+			array_shift($pathElements);
+		}
+		foreach ($pathElements as $pathElement) {
+			// TODO: remove file ext before slugify on last element
+			$sluggedElements[] = self::slugify($pathElement);
+		}
+
+		//
+		// TODO: add the index before the file extension
+		//
+		if ($index !== null) {
+			$last= end($sluggedElements);
+			array_pop($sluggedElements);
+			array_push($sluggedElements, $last.'-'.$index);
+		}
+		return implode(DIRECTORY_SEPARATOR, $sluggedElements);
+	}
+
+	/**
+	 * Modifies a string to remove all non ASCII characters and spaces.
+	 *
+	 * @param string $text
+	 * @return string
+	 */
+	private function slugify($text)
+	{
+		// replace non letter or digits by -
+		$text = preg_replace('~[^\\pL\d]+~u', '-', $text);
+
+		// trim
+		$text = trim($text, '-');
+
+		// transliterate
+		if (function_exists('iconv')) {
+			$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
+		}
+
+		// lowercase
+		$text = strtolower($text);
+
+		// remove unwanted characters
+		$text = preg_replace('~[^-\w]+~', '', $text);
+
+		if (empty($text))
+		{
+			// TODO: we better generate a guid in this case
+			return 'n-a';
+		}
+
+		return $text;
+	}
+}
diff --git a/lib/files/storage/local.php b/lib/files/storage/local.php
index a5db4ba9194..d387a898320 100644
--- a/lib/files/storage/local.php
+++ b/lib/files/storage/local.php
@@ -8,6 +8,10 @@
 
 namespace OC\Files\Storage;
 
+if (\OC_Util::runningOnWindows()) {
+	require_once 'mappedlocal.php';
+} else {
+
 /**
  * for local filestore, we only have to map the paths
  */
@@ -245,3 +249,4 @@ class Local extends \OC\Files\Storage\Common{
 		return $this->filemtime($path)>$time;
 	}
 }
+}
diff --git a/lib/files/storage/mappedlocal.php b/lib/files/storage/mappedlocal.php
new file mode 100644
index 00000000000..80dd79bc41f
--- /dev/null
+++ b/lib/files/storage/mappedlocal.php
@@ -0,0 +1,335 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+namespace OC\Files\Storage;
+
+/**
+ * for local filestore, we only have to map the paths
+ */
+class Local extends \OC\Files\Storage\Common{
+	protected $datadir;
+	private $mapper;
+
+	public function __construct($arguments) {
+		$this->datadir=$arguments['datadir'];
+		if(substr($this->datadir, -1)!=='/') {
+			$this->datadir.='/';
+		}
+
+		$this->mapper= new \OC\Files\Mapper();
+	}
+	public function __destruct() {
+		if (defined('PHPUNIT_RUN')) {
+			$this->mapper->removePath($this->datadir, true, true);
+		}
+	}
+	public function getId(){
+		return 'local::'.$this->datadir;
+	}
+	public function mkdir($path) {
+		return @mkdir($this->buildPath($path));
+	}
+	public function rmdir($path) {
+		if ($result = @rmdir($this->buildPath($path))) {
+			$this->cleanMapper($path);
+		}
+		return $result;
+	}
+	public function opendir($path) {
+		$files = array('.', '..');
+		$physicalPath= $this->buildPath($path);
+
+		$logicalPath = $this->mapper->physicalToLogic($physicalPath);
+		$dh = opendir($physicalPath);
+		while ($file = readdir($dh)) {
+			if ($file === '.' or $file === '..') {
+				continue;
+			}
+
+			$logicalFilePath = $this->mapper->physicalToLogic($physicalPath.DIRECTORY_SEPARATOR.$file);
+
+			$file= $this->mapper->stripRootFolder($logicalFilePath, $logicalPath);
+			$file = $this->stripLeading($file);
+			$files[]= $file;
+		}
+
+		\OC\Files\Stream\Dir::register('local-win32'.$path, $files);
+		return opendir('fakedir://local-win32'.$path);
+	}
+	public function is_dir($path) {
+		if(substr($path,-1)=='/') {
+			$path=substr($path, 0, -1);
+		}
+		return is_dir($this->buildPath($path));
+	}
+	public function is_file($path) {
+		return is_file($this->buildPath($path));
+	}
+	public function stat($path) {
+		$fullPath = $this->buildPath($path);
+		$statResult = stat($fullPath);
+
+		if ($statResult['size'] < 0) {
+			$size = self::getFileSizeFromOS($fullPath);
+			$statResult['size'] = $size;
+			$statResult[7] = $size;
+		}
+		return $statResult;
+	}
+	public function filetype($path) {
+		$filetype=filetype($this->buildPath($path));
+		if($filetype=='link') {
+			$filetype=filetype(realpath($this->buildPath($path)));
+		}
+		return $filetype;
+	}
+	public function filesize($path) {
+		if($this->is_dir($path)) {
+			return 0;
+		}else{
+			$fullPath = $this->buildPath($path);
+			$fileSize = filesize($fullPath);
+			if ($fileSize < 0) {
+				return self::getFileSizeFromOS($fullPath);
+			}
+
+			return $fileSize;
+		}
+	}
+	public function isReadable($path) {
+		return is_readable($this->buildPath($path));
+	}
+	public function isUpdatable($path) {
+		return is_writable($this->buildPath($path));
+	}
+	public function file_exists($path) {
+		return file_exists($this->buildPath($path));
+	}
+	public function filemtime($path) {
+		return filemtime($this->buildPath($path));
+	}
+	public function touch($path, $mtime=null) {
+		// sets the modification time of the file to the given value.
+		// If mtime is nil the current time is set.
+		// note that the access time of the file always changes to the current time.
+		if(!is_null($mtime)) {
+			$result=touch( $this->buildPath($path), $mtime );
+		}else{
+			$result=touch( $this->buildPath($path));
+		}
+		if( $result ) {
+			clearstatcache( true, $this->buildPath($path) );
+		}
+
+		return $result;
+	}
+	public function file_get_contents($path) {
+		return file_get_contents($this->buildPath($path));
+	}
+	public function file_put_contents($path, $data) {//trigger_error("$path = ".var_export($path, 1));
+		return file_put_contents($this->buildPath($path), $data);
+	}
+	public function unlink($path) {
+		return $this->delTree($path);
+	}
+	public function rename($path1, $path2) {
+		if (!$this->isUpdatable($path1)) {
+			\OC_Log::write('core','unable to rename, file is not writable : '.$path1,\OC_Log::ERROR);
+			return false;
+		}
+		if(! $this->file_exists($path1)) {
+			\OC_Log::write('core','unable to rename, file does not exists : '.$path1,\OC_Log::ERROR);
+			return false;
+		}
+
+		$physicPath1 = $this->buildPath($path1);
+		$physicPath2 = $this->buildPath($path2);
+		if($return=rename($physicPath1, $physicPath2)) {
+			// mapper needs to create copies or all children
+			$this->copyMapping($path1, $path2);
+			$this->cleanMapper($physicPath1, false, true);
+		}
+		return $return;
+	}
+	public function copy($path1, $path2) {
+		if($this->is_dir($path2)) {
+			if(!$this->file_exists($path2)) {
+				$this->mkdir($path2);
+			}
+			$source=substr($path1, strrpos($path1, '/')+1);
+			$path2.=$source;
+		}
+		if($return=copy($this->buildPath($path1), $this->buildPath($path2))) {
+			// mapper needs to create copies or all children
+			$this->copyMapping($path1, $path2);
+		}
+		return $return;
+	}
+	public function fopen($path, $mode) {
+		if($return=fopen($this->buildPath($path), $mode)) {
+			switch($mode) {
+				case 'r':
+					break;
+				case 'r+':
+				case 'w+':
+				case 'x+':
+				case 'a+':
+					break;
+				case 'w':
+				case 'x':
+				case 'a':
+					break;
+			}
+		}
+		return $return;
+	}
+
+	public function getMimeType($path) {
+		if($this->isReadable($path)) {
+			return \OC_Helper::getMimeType($this->buildPath($path));
+		}else{
+			return false;
+		}
+	}
+
+	private function delTree($dir, $isLogicPath=true) {
+		$dirRelative=$dir;
+		if ($isLogicPath) {
+			$dir=$this->buildPath($dir);
+		}
+		if (!file_exists($dir)) {
+			return true;
+		}
+		if (!is_dir($dir) || is_link($dir)) {
+			if($return=unlink($dir)) {
+				$this->cleanMapper($dir, false);
+				return $return;
+			}
+		}
+		foreach (scandir($dir) as $item) {
+			if ($item == '.' || $item == '..') {
+				continue;
+			}
+			if(is_file($dir.'/'.$item)) {
+				if(unlink($dir.'/'.$item)) {
+					$this->cleanMapper($dir.'/'.$item, false);
+				}
+			}elseif(is_dir($dir.'/'.$item)) {
+				if (!$this->delTree($dir. "/" . $item, false)) {
+					return false;
+				};
+			}
+		}
+		if($return=rmdir($dir)) {
+			$this->cleanMapper($dir, false);
+		}
+		return $return;
+	}
+
+	private static function getFileSizeFromOS($fullPath) {
+		$name = strtolower(php_uname('s'));
+		// Windows OS: we use COM to access the filesystem
+		if (strpos($name, 'win') !== false) {
+			if (class_exists('COM')) {
+				$fsobj = new \COM("Scripting.FileSystemObject");
+				$f = $fsobj->GetFile($fullPath);
+				return $f->Size;
+			}
+		} else if (strpos($name, 'bsd') !== false) {
+			if (\OC_Helper::is_function_enabled('exec')) {
+				return (float)exec('stat -f %z ' . escapeshellarg($fullPath));
+			}
+		} else if (strpos($name, 'linux') !== false) {
+			if (\OC_Helper::is_function_enabled('exec')) {
+				return (float)exec('stat -c %s ' . escapeshellarg($fullPath));
+			}
+		} else {
+			\OC_Log::write('core', 'Unable to determine file size of "'.$fullPath.'". Unknown OS: '.$name, \OC_Log::ERROR);
+		}
+
+		return 0;
+	}
+
+	public function hash($path, $type, $raw=false) {
+		return hash_file($type, $this->buildPath($path), $raw);
+	}
+
+	public function free_space($path) {
+		return @disk_free_space($this->buildPath($path));
+	}
+
+	public function search($query) {
+		return $this->searchInDir($query);
+	}
+	public function getLocalFile($path) {
+		return $this->buildPath($path);
+	}
+	public function getLocalFolder($path) {
+		return $this->buildPath($path);
+	}
+
+	protected function searchInDir($query, $dir='', $isLogicPath=true) {
+		$files=array();
+		$physicalDir = $this->buildPath($dir);
+		foreach (scandir($physicalDir) as $item) {
+			if ($item == '.' || $item == '..')
+				continue;
+			$physicalItem = $this->mapper->physicalToLogic($physicalDir.DIRECTORY_SEPARATOR.$item);
+			$item = substr($physicalItem, strlen($physicalDir)+1);
+
+			if(strstr(strtolower($item), strtolower($query)) !== false) {
+				$files[]=$dir.'/'.$item;
+			}
+			if(is_dir($physicalItem)) {
+				$files=array_merge($files, $this->searchInDir($query, $physicalItem, false));
+			}
+		}
+		return $files;
+	}
+
+	/**
+	 * check if a file or folder has been updated since $time
+	 * @param string $path
+	 * @param int $time
+	 * @return bool
+	 */
+	public function hasUpdated($path, $time) {
+		return $this->filemtime($path)>$time;
+	}
+
+	private function buildPath($path, $create=true) {
+		$path = $this->stripLeading($path);
+		$fullPath = $this->datadir.$path;
+		return $this->mapper->logicToPhysical($fullPath, $create);
+	}
+
+	private function cleanMapper($path, $isLogicPath=true, $recursive=true) {
+		$fullPath = $path;
+		if ($isLogicPath) {
+			$fullPath = $this->datadir.$path;
+		}
+		$this->mapper->removePath($fullPath, $isLogicPath, $recursive);
+	}
+
+	private function copyMapping($path1, $path2) {
+		$path1 = $this->stripLeading($path1);
+		$path2 = $this->stripLeading($path2);
+
+		$fullPath1 = $this->datadir.$path1;
+		$fullPath2 = $this->datadir.$path2;
+
+		$this->mapper->copy($fullPath1, $fullPath2);
+	}
+
+	private function stripLeading($path) {
+		if(strpos($path, '/') === 0) {
+			$path = substr($path, 1);
+		}
+
+		return $path;
+	}
+}
diff --git a/lib/files/view.php b/lib/files/view.php
index dfcb770328b..1a234228eab 100644
--- a/lib/files/view.php
+++ b/lib/files/view.php
@@ -509,11 +509,7 @@ class View {
 		if (Filesystem::isValidPath($path)) {
 			$source = $this->fopen($path, 'r');
 			if ($source) {
-				$extension = '';
-				$extOffset = strpos($path, '.');
-				if ($extOffset !== false) {
-					$extension = substr($path, strrpos($path, '.'));
-				}
+				$extension = pathinfo($path, PATHINFO_EXTENSION);
 				$tmpFile = \OC_Helper::tmpFile($extension);
 				file_put_contents($tmpFile, $source);
 				return $tmpFile;
diff --git a/lib/l10n.php b/lib/l10n.php
index ee879009265..e272bcd79f3 100644
--- a/lib/l10n.php
+++ b/lib/l10n.php
@@ -97,7 +97,7 @@ class OC_L10N{
 		if ($this->app === true) {
 			return;
 		}
-		$app = $this->app;
+		$app = OC_App::cleanAppId($this->app);
 		$lang = $this->lang;
 		$this->app = true;
 		// Find the right language
diff --git a/lib/mimetypes.list.php b/lib/mimetypes.list.php
index fc87d011ecd..86ce9c6c237 100644
--- a/lib/mimetypes.list.php
+++ b/lib/mimetypes.list.php
@@ -97,4 +97,6 @@ return array(
 	'ai' => 'application/illustrator',
 	'epub' => 'application/epub+zip',
 	'mobi' => 'application/x-mobipocket-ebook',
+	'exe' => 'application',
+	'msi' => 'application'
 );
diff --git a/lib/public/util.php b/lib/public/util.php
index 968ca891b4c..5f6ede4460e 100644
--- a/lib/public/util.php
+++ b/lib/public/util.php
@@ -148,6 +148,20 @@ class Util {
 	}
 
 	/**
+	 * @brief Creates an url using a defined route
+	 * @param $route
+	 * @param array $parameters
+	 * @return
+	 * @internal param array $args with param=>value, will be appended to the returned url
+	 * @returns the url
+	 *
+	 * Returns a url to the given app and file.
+	 */
+	public static function linkToRoute( $route, $parameters = array() ) {
+		return \OC_Helper::linkToRoute($route, $parameters);
+	}
+
+	/**
 	* @brief Creates an url
 	* @param string $app app
 	* @param string $file file
diff --git a/lib/setup.php b/lib/setup.php
index 4dd190b99fb..f342142c957 100644
--- a/lib/setup.php
+++ b/lib/setup.php
@@ -610,4 +610,24 @@ class OC_Setup {
 		file_put_contents(OC_Config::getValue('datadirectory', OC::$SERVERROOT.'/data').'/.htaccess', $content);
 		file_put_contents(OC_Config::getValue('datadirectory', OC::$SERVERROOT.'/data').'/index.html', '');
 	}
+
+	/**
+	 * @brief Post installation checks
+	 */
+	public static function postSetupCheck($params) {
+		// setup was successful -> webdav testing now
+		if (OC_Util::isWebDAVWorking()) {
+			header("Location: ".OC::$WEBROOT.'/');
+		} else {
+			$l=OC_L10N::get('lib');
+
+			$error = $l->t('Your web server is not yet properly setup to allow files synchronization because the WebDAV interface seems to be broken.');
+			$hint = $l->t('Please double check the <a href=\'%s\'>installation guides</a>.', 'http://doc.owncloud.org/server/5.0/admin_manual/installation.html');
+
+			$tmpl = new OC_Template('', 'error', 'guest');
+			$tmpl->assign('errors', array(1 => array('error' => $error, 'hint' => $hint)), false);
+			$tmpl->printPage();
+			exit();
+		}
+	}
 }
diff --git a/lib/util.php b/lib/util.php
index 9ce974619bc..a5fe4cb175a 100755
--- a/lib/util.php
+++ b/lib/util.php
@@ -516,6 +516,40 @@ class OC_Util {
 		}
 	}
 
+	/**
+	 * we test if webDAV is working properly
+	 *
+	 * The basic assumption is that if the server returns 401/Not Authenticated for an unauthenticated PROPFIND
+	 * the web server it self is setup properly.
+	 *
+	 * Why not an authenticated PROFIND and other verbs?
+	 *  - We don't have the password available
+	 *  - We have no idea about other auth methods implemented (e.g. OAuth with Bearer header)
+	 *
+	 */
+	public static function isWebDAVWorking() {
+        if (!function_exists('curl_init')) {
+            return;
+        }
+
+		$settings = array(
+			'baseUri' => OC_Helper::linkToRemote('webdav'),
+		);
+
+		$client = new \Sabre_DAV_Client($settings);
+
+		$return = true;
+		try {
+			// test PROPFIND
+			$client->propfind('', array('{DAV:}resourcetype'));
+		} catch(\Sabre_DAV_Exception_NotAuthenticated $e) {
+			$return = true;
+		} catch(\Exception $e) {
+			$return = false;
+		}
+
+		return $return;
+	}
 
 	/**
 	 * Check if the setlocal call doesn't work. This can happen if the right local packages are not available on the server.
@@ -526,12 +560,11 @@ class OC_Util {
 			return true;
 		}
 
-		$result=setlocale(LC_ALL, 'en_US.UTF-8');
-		if($result==false) {
-			return(false);
-		}else{
-			return(true);
-		}
+		$result = setlocale(LC_ALL, 'en_US.UTF-8', 'en_US.UTF8');
+		if($result == false) {
+			return false;
+        }
+        return true;
 	}
 
 	/**