fixing various webdav problems, regarding pathbuilding

phpgwapi/inc/class.egw_vfs.inc.php

@@ -349,7 +349,7 @@ class egw_vfs extends vfs_stream_wrapper
 			}
 			if ($is_dir && (!isset($options['maxdepth']) || $options['maxdepth'] > 0) && ($dir = @opendir($path)))
 			{
-				while($file = readdir($dir))
+				while(($file = readdir($dir)) !== false)
 				{
 					if ($file == '.' || $file == '..') continue;	// ignore current and parent dir!
 
@@ -1125,7 +1125,7 @@ class egw_vfs extends vfs_stream_wrapper
 	{
 		if (isset(self::$lock_cache[$path]))
 		{
-			error_log(__METHOD__."($path) returns from CACHE ".str_replace(array("\n",'    '),'',print_r(self::$lock_cache[$path],true)));
+			//error_log(__METHOD__."($path) returns from CACHE ".str_replace(array("\n",'    '),'',print_r(self::$lock_cache[$path],true)));
 			return self::$lock_cache[$path];
 		}
 		$where = 'lock_path='.self::$db->quote($path);
@@ -1146,7 +1146,7 @@ class egw_vfs extends vfs_stream_wrapper
 	        	'lock_token' => $result['token'],
 	        ),__LINE__,__FILE__);
 
-			//error_log(__METHOD__."($path) lock is expired at ".date('Y-m-d H:i:s',$result['expires'])." --> removed");
+		//error_log(__METHOD__."($path) lock is expired at ".date('Y-m-d H:i:s',$result['expires'])." --> removed");
 	        $result = false;
 		}
 		//error_log(__METHOD__."($path) returns ".($result?array2string($result):'false'));

phpgwapi/inc/class.sqlfs_stream_wrapper.inc.php

@@ -69,7 +69,7 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
 	 * 1 = only errors
 	 * 2 = all function calls and errors (contains passwords too!)
 	 */
-	const LOG_LEVEL = 1;
+	const LOG_LEVEL = 2;
 
 	/**
 	 * We do versioning AND store the content in the db, NOT YET IMPLEMENTED
@@ -222,7 +222,9 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
 			// create the hash-dirs, if they not yet exist
 			elseif(!file_exists($fs_dir=dirname(self::_fs_path($this->opened_fs_id))))
 			{
-				mkdir($fs_dir,0700,true);
+				$umaskbefore = umask();
+				if (self::LOG_LEVEL) error_log(__METHOD__." about to call mkdir for $fs_dir # Present UMASK:".decoct($umaskbefore)." called from:".function_backtrace());
+				self::mkdir_recursive($fs_dir,0700,true);
 			}
 		}
 		else
@@ -264,6 +266,7 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
 		// do we operate directly on the filesystem
 		if ($this->operation == self::STORE2FS)
 		{
+			if (self::LOG_LEVEL > 1) error_log(__METHOD__." fopen (may create a directory? mkdir) ($this->opened_fs_id,$mode,$options)");
 			$this->opened_stream = fopen(self::_fs_path($this->opened_fs_id),$mode);
 		}
 		if ($mode[0] == 'a')	// append modes: a, a+
@@ -575,6 +578,18 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
 		));
 	}
 
+	/**
+	 * due to problems with recursive directory creation, we have our own here
+	 */
+	function mkdir_recursive($pathname, $mode, $depth=0)
+	{
+		$maxdepth=10;
+		$depth2propagate = (int)$depth + 1;
+		if ($depth2propagate > $maxdepth) return is_dir($pathname);
+    	is_dir(dirname($pathname)) || self::mkdir_recursive(dirname($pathname), $mode, $depth2propagate);
+    	return is_dir($pathname) || @mkdir($pathname, $mode);
+	}
+
 	/**
 	 * This method is called in response to mkdir() calls on URL paths associated with the wrapper.
 	 *
@@ -589,7 +604,7 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
 	static function mkdir ( $url, $mode, $options )
 	{
 		if (self::LOG_LEVEL > 1) error_log(__METHOD__."($url,$mode,$options)");
-
+		if (self::LOG_LEVEL > 1) error_log(__METHOD__." called from:".function_backtrace());
 		$path = parse_url($url,PHP_URL_PATH);
 
 		if (self::url_stat($path,STREAM_URL_STAT_QUIET))
@@ -611,6 +626,7 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
 		// if yes call ourself recursive with the parent directory
 		if (($options & STREAM_MKDIR_RECURSIVE) && $path != '/' && !$parent)
 		{
+			if (self::LOG_LEVEL > 1) error_log(__METHOD__." creating parents: $parent_path, $mode");
 			if (!self::mkdir($parent_path,$mode,$options))
 			{
 				return false;
@@ -1291,6 +1307,7 @@ class sqlfs_stream_wrapper implements iface_stream_wrapper
 		{
 			return false;	// parent not found, should never happen ...
 		}
+		if (self::LOG_LEVEL > 1) error_log(__METHOD__." trying foreach with:".print_r($rows,true)."#");
 		foreach($rows as $fs_id => $row)
 		{
 			$parent = $row['fs_dir'] > 1 ? $parents[$row['fs_dir']] : '';

phpgwapi/inc/class.vfs_stream_wrapper.inc.php

@@ -587,6 +587,7 @@ class vfs_stream_wrapper implements iface_stream_wrapper
 	 */
 	function dir_opendir ( $path, $options )
 	{
+		//error_log(__METHOD__." called with ".$path);
 		$this->opened_dir = $this->extra_dirs = null;
 		$this->extra_dir_ptr = 0;
 
@@ -596,16 +597,20 @@ class vfs_stream_wrapper implements iface_stream_wrapper
 		}
 		if (!($this->opened_dir = opendir($this->opened_dir_url)))
 		{
+			//error_log(__METHOD__." dir failed: ".$this->opened_dir);
 			return false;
 		}
 		$this->opened_dir_writable = egw_vfs::check_access($this->opened_dir_url,egw_vfs::WRITABLE);
-
+		#error_log(__METHOD__." check for ".$this->opened_dir_url);
 		// check our fstab if we need to add some of the mountpoints
 		$basepath = parse_url($this->opened_dir_url,PHP_URL_PATH);
+		#error_log(__METHOD__." basepath here: ".print_r($basepath,true));
 		foreach(self::$fstab as $mounted => $nul)
 		{
-			if (dirname($mounted) == $basepath && $mounted != '/')
+			#error_log(__METHOD__." dirname mounted: ".print_r(dirname($mounted),true));
+			if ((dirname($mounted) == $basepath || dirname($mounted)."/" == $basepath) && $mounted != '/')
 			{
+				#error_log(__METHOD__." mounted dir: ".print_r($mounted,true));
 				$this->extra_dirs[] = basename($mounted);
 			}
 		}
@@ -685,13 +690,16 @@ class vfs_stream_wrapper implements iface_stream_wrapper
 	 */
 	function dir_readdir ( )
 	{
+		#error_log(__METHOD__." called.");
 		if ($this->extra_dirs && count($this->extra_dirs) > $this->extra_dir_ptr)
 		{
 			return $this->extra_dirs[$this->extra_dir_ptr++];
 		}
 		// only return children readable by the user, if dir is not writable
 		do {
+			//error_log(__METHOD__." called with:".$this->opened_dir_url);
 			$file = readdir($this->opened_dir);
+			//error_log(__METHOD__." got:".$file);
 		}
 		while($file !== false && (is_array($this->extra_dirs) && in_array($file,$this->extra_dirs) ||	// dont return mountpoints twice
 			self::HIDE_UNREADABLES && !$this->opened_dir_writable &&

webdav.php

@@ -44,6 +44,12 @@ function check_access(&$account)
 
 // if we are called with a /apps/$app path, use that $app as currentapp, to not require filemanager rights for the links
 $parts = explode('/',$_SERVER['PATH_INFO']);
+//error_log("webdav: explode".print_r($parts,true));
+if(count($parts)== 1){
+	echo "Malformed Url: missing slash" ;
+	exit;
+}
+
 $app = count($parts) > 3 && $parts[1] == 'apps' ? $parts[2] : 'filemanager';
 
 $GLOBALS['egw_info'] = array(
@@ -63,3 +69,4 @@ $headertime = microtime(true);
 $webdav_server = new vfs_webdav_server();
 $webdav_server->ServeRequest();
 //error_log(sprintf("GroupDAV %s request took %5.3f s (header include took %5.3f s)",$_SERVER['REQUEST_METHOD'],microtime(true)-$starttime,$headertime-$starttime));
+