some basic path normalization

2 files changed, 24 insertions, 3 deletions

diff --git a/lib/filesystem.php b/lib/filesystem.php
index 5af6e0aa54c..221345332b0 100644
--- a/lib/filesystem.php
+++ b/lib/filesystem.php
@@ -494,6 +494,28 @@ class OC_Filesystem{
 		}
 		OC_Connector_Sabre_Node::removeETagPropertyForPath($path);
 	}
+
+	public static function normalizePath($path){
+		//no windows style slashes
+		$path=str_replace('\\','/',$path);
+		//add leading slash
+		if($path[0]!=='/'){
+			$path='/'.$path;
+		}
+		//remove trainling slash
+		if(substr($path,-1,1)==='/'){
+			$path=substr($path,0,-1);
+		}
+		//remove duplicate slashes
+		while(strpos($path,'//')!==false){
+			$path=str_replace('//','/',$path);
+		}
+		//normalize unicode if possible
+		if(class_exists('Normalizer')){
+			$path=Normalizer::normalize($path);
+		}
+		return $path;
+	}
 }
 OC_Hook::connect('OC_Filesystem','post_write', 'OC_Filesystem','removeETagHook');
 OC_Hook::connect('OC_Filesystem','post_delete','OC_Filesystem','removeETagHook');
diff --git a/lib/filesystemview.php b/lib/filesystemview.php
index faf3f0bd4cc..17d09a07001 100644
--- a/lib/filesystemview.php
+++ b/lib/filesystemview.php
@@ -54,10 +54,9 @@ class OC_FilesystemView {
 		if($path[0]!=='/'){
 			$path='/'.$path;
 		}
-		return $this->fakeRoot.$path;
+		return OC_Filesystem::normalizePath($this->fakeRoot.$path);
 	}
-
-
+	
 	/**
 	* change the root to a fake toor
 	* @param  string  fakeRoot