Added RESTful file/dir api

api2/permissions.py

@@ -6,12 +6,17 @@ from rest_framework.permissions import BasePermission
 
 from seaserv import check_permission
 
+SAFE_METHODS = ['GET', 'HEAD', 'OPTIONS']
+
 class IsRepoWritable(BasePermission):
     """
     Allows access only for users who has write permission to the repo.
     """
 
     def has_permission(self, request, view, obj=None):
+        if request.method in SAFE_METHODS:
+            return True
+
         repo_id = view.kwargs.get('repo_id', '')
         user = request.user.username if request.user else ''