handle encrypted images files in oc_image

lib/image.php

@@ -400,11 +400,14 @@ class OC_Image {
 				break;
 			*/
 			default:
-			error_log($imagepath);
-			error_log(\OC_Filesystem::getInternalPath($imagepath));
-			error_log(\OC_Filesystem::getLocalFile($imagepath));
+			
 				// this is mostly file created from encrypted file
-				$this->resource = imagecreatefromstring(\OC_Filesystem::file_get_contents(\OC_Filesystem::getInternalPath($imagepath)));
+				$datadir = \OCP\Config::getSystemValue('datadirectory').'/'.\OC_User::getUser().'/files';
+				$newimgpath = $imagepath;
+				if (strncmp($newimgpath, $datadir, strlen($datadir)) == 0) {
+					$newimgpath = substr($imagepath, strlen($datadir));
+				}
+				$this->resource = imagecreatefromstring(\OC_Filesystem::file_get_contents($newimgpath));
 				$itype = IMAGETYPE_PNG;
 				OC_Log::write('core','OC_Image->loadFromFile, Default', OC_Log::DEBUG);
 				break;