encryption proxy wip

4 files changed, 37 insertions, 14 deletions

diff --git a/lib/crypt.php b/lib/crypt.php
index 60020679480..3e6fa05b85d 100644
--- a/lib/crypt.php
+++ b/lib/crypt.php
@@ -113,14 +113,13 @@ class OC_Crypt {
 		return($bf->encrypt($contents));
         }       
 
-
-        /**
-         * @brief encryption of a file
-         * @param $filename
-         * @param $key the encryption key
-         *
-         * This function encrypts a file
-         */
+	/**
+	* @brief encryption of a file
+	* @param $filename
+	* @param $key the encryption key
+	*
+	* This function encrypts a file
+	*/
 	public static function encryptfile( $filename, $key) {
 		$handleread  = fopen($filename, "rb");
 		if($handleread<>FALSE) {
@@ -158,6 +157,30 @@ class OC_Crypt {
 		}
 		fclose($handleread);
 	}
+	
+	/**
+	 * encrypt data in 8192b sized blocks
+	 */
+	public static function blockEncrypt($data){
+		$result='';
+		while(strlen($data)){
+			$result=self::encrypt(substr($data,0,8192));
+			$data=substr($data,8192);
+		}
+		return $result;
+	}
+	
+	/**
+	 * decrypt data in 8192b sized blocks
+	 */
+	public static function blockDecrypt($data){
+		$result='';
+		while(strlen($data)){
+			$result=self::decrypt(substr($data,0,8192));
+			$data=substr($data,8192);
+		}
+		return $result;
+	}
 
 
 
diff --git a/lib/fileproxy.php b/lib/fileproxy.php
index 1fb22bd1139..796fd95cb38 100644
--- a/lib/fileproxy.php
+++ b/lib/fileproxy.php
@@ -83,16 +83,16 @@ class OC_FileProxy{
 		return $proxies;
 	}
 
-	public static function runPreProxies($operation,$filepath,$filepath2=null){
+	public static function runPreProxies($operation,&$filepath,&$filepath2=null){
 		$proxies=self::getProxies($operation,false);
 		$operation='pre'.$operation;
 		foreach($proxies as $proxy){
-			if($filepath2){
-				if(!$proxy->$operation(&$filepath,&$filepath2)){
+			if(!is_null($filepath2)){
+				if($proxy->$operation($filepath,$filepath2)===false){
 					return false;
 				}
 			}else{
-				if(!$proxy->$operation(&$filepath)){
+				if($proxy->$operation($filepath)===false){
 					return false;
 				}
 			}
diff --git a/lib/filestorage/local.php b/lib/filestorage/local.php
index dcb516a3afb..ee4b267bcd4 100644
--- a/lib/filestorage/local.php
+++ b/lib/filestorage/local.php
@@ -74,7 +74,7 @@ class OC_Filestorage_Local extends OC_Filestorage{
 	public function file_get_contents($path){
 		return file_get_contents($this->datadir.$path);
 	}
-	public function file_put_contents($path,$data){
+	public function file_put_contents($path,$data=null){
 		if($return=file_put_contents($this->datadir.$path,$data)){
 		}
 	}
diff --git a/lib/filesystemview.php b/lib/filesystemview.php
index 91c6cd17720..a78f3f652ad 100644
--- a/lib/filesystemview.php
+++ b/lib/filesystemview.php
@@ -302,7 +302,7 @@ class OC_FilesystemView {
 				}
 			}
 			if($run){
-				if($extraParam){
+				if(!is_null($extraParam)){
 					$result=$storage->$operation($interalPath,$extraParam);
 				}else{
 					$result=$storage->$operation($interalPath);