webdav fix for file chunking

upload with big files should now work
@samtuke and @schiesbn we need a solution for the cache files created by webdav

apps/files_encryption/lib/proxy.php

@@ -337,7 +337,12 @@ class Proxy extends \OC_FileProxy {
         // Reformat path for use with OC_FSV
 		$path_split = explode( '/', $path );
 		$path_f = implode( '/', array_slice( $path_split, 3 ) );
-		
+
+        // FIXME: handling for /userId/cache used by webdav for chunking. The cache chunks are NOT encrypted
+        if($path_split[2] == 'cache') {
+            return $result;
+        }
+
 		// Disable encryption proxy to prevent recursive calls
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;

apps/files_encryption/lib/util.php

@@ -880,7 +880,7 @@ class Util {
 			
 		} else {
 		
-			throw new \Exception( 'Supplied path could not be resolved "' . $path . '"' );
+			return false;
 			
 		}