file DELETE support

src/Controllers/FilesController.js

@@ -74,6 +74,26 @@ export class FilesController {
     };
   }
 
+  deleteHandler() {
+    return (req, res, next) => {
+      // enforce use of master key for file deletions
+      if(!req.auth.isMaster){
+        next(new Parse.Error(Parse.Error.OPERATION_FORBIDDEN,
+          'Master key required for file deletion.'));
+        return;
+      }
+
+      this._filesAdapter.deleteFile(req.config, req.params.filename).then(() => {
+        res.status(200);
+        // TODO: return useful JSON here?
+        res.end();
+      }).catch((error) => {
+        next(new Parse.Error(Parse.Error.FILE_DELETE_ERROR,
+          'Could not delete file.'));
+      });
+    };
+  }
+
   /**
    * Find file references in REST-format object and adds the url key
    * with the current mount point and app id.
@@ -119,6 +139,12 @@ export class FilesController {
       this.createHandler()
     );
 
+    router.delete('/files/:filename',
+      Middlewares.allowCrossDomain,
+      Middlewares.handleParseHeaders,
+      this.deleteHandler()
+    );
+
     return router;
   }
 }