1 files changed, 41 insertions, 14 deletions

diff --git a/apps/files_external/lib/streamwrapper.php b/apps/files_external/lib/streamwrapper.php
index a386e333995..7c3ddcf8a2c 100644
--- a/apps/files_external/lib/streamwrapper.php
+++ b/apps/files_external/lib/streamwrapper.php
@@ -6,16 +6,33 @@
  * See the COPYING-README file.
  */
 
+namespace OC\Files\Storage;
+
+abstract class StreamWrapper extends \OC\Files\Storage\Common{
+	private $ready = false;
+
+	protected function init(){
+		if($this->ready){
+			return;
+		}
+		$this->ready = true;
+
+		//create the root folder if necesary
+		if(!$this->is_dir('')) {
+			$this->mkdir('');
+		}
+	}
 
-abstract class OC_FileStorage_StreamWrapper extends OC_Filestorage_Common{
 	abstract public function constructUrl($path);
 
 	public function mkdir($path) {
+		$this->init();
 		return mkdir($this->constructUrl($path));
 	}
 
 	public function rmdir($path) {
-		if ($this->file_exists($path)) {
+		$this->init();
+		if($this->file_exists($path)) {
 			$succes = rmdir($this->constructUrl($path));
 			clearstatcache();
 			return $succes;
@@ -25,10 +42,12 @@ abstract class OC_FileStorage_StreamWrapper extends OC_Filestorage_Common{
 	}
 
 	public function opendir($path) {
+		$this->init();
 		return opendir($this->constructUrl($path));
 	}
 
 	public function filetype($path) {
+		$this->init();
 		return filetype($this->constructUrl($path));
 	}
 
@@ -41,46 +60,54 @@ abstract class OC_FileStorage_StreamWrapper extends OC_Filestorage_Common{
 	}
 
 	public function file_exists($path) {
+		$this->init();
 		return file_exists($this->constructUrl($path));
 	}
 
 	public function unlink($path) {
+		$this->init();
 		$succes = unlink($this->constructUrl($path));
 		clearstatcache();
 		return $succes;
 	}
 
-	public function fopen($path, $mode) {
-		return fopen($this->constructUrl($path), $mode);
+	public function fopen($path,$mode) {
+		$this->init();
+		return fopen($this->constructUrl($path),$mode);
 	}
 
 	public function free_space($path) {
 		return 0;
 	}
 
-	public function touch($path, $mtime = null) {
-		if (is_null($mtime)) {
-			$fh = $this->fopen($path, 'a');
-			fwrite($fh, '');
+	public function touch($path,$mtime=null) {
+		$this->init();
+		if(is_null($mtime)) {
+			$fh = $this->fopen($path,'a');
+			fwrite($fh,'');
 			fclose($fh);
 		} else {
 			return false;//not supported
 		}
 	}
 
-	public function getFile($path, $target) {
-		return copy($this->constructUrl($path), $target);
+	public function getFile($path,$target) {
+		$this->init();
+		return copy($this->constructUrl($path),$target);
 	}
 
-	public function uploadFile($path, $target) {
-		return copy($path, $this->constructUrl($target));
+	public function uploadFile($path,$target) {
+		$this->init();
+		return copy($path,$this->constructUrl($target));
 	}
 
-	public function rename($path1, $path2) {
-		return rename($this->constructUrl($path1), $this->constructUrl($path2));
+	public function rename($path1,$path2) {
+		$this->init();
+		return rename($this->constructUrl($path1),$this->constructUrl($path2));
 	}
 
 	public function stat($path) {
+		$this->init();
 		return stat($this->constructUrl($path));
 	}