fix oauth callback endpoint

website/oauth/views.py

@@ -48,12 +48,15 @@ def oauth_connect(service_name, auth):
 
 @must_be_logged_in
 def oauth_callback(service_name, auth):
+    provider = get_service(service_name)
     if flag_is_active(request, features.ENABLE_GV):
-        _forward_to_addon_service()
+        if provider._oauth_version == 1:
+            _forward_to_addon_service('oauth1')
+        elif provider._oauth_version == 2:
+            _forward_to_addon_service('oauth2')
         return {}
 
     user = auth.user
-    provider = get_service(service_name)
 
     # Retrieve permanent credentials from provider
     if not provider.auth_callback(user=user):
@@ -67,12 +70,12 @@ def oauth_callback(service_name, auth):
 
     return {}
 
-def _forward_to_addon_service():
+def _forward_to_addon_service(oauth_version):
     code = request.args.get('code')
     state = request.args.get('state')
     query_params = {
         'code': code,
         'state': state,
     }
-    gv_url = urlunparse(urlparse(GRAVYVALET_URL)._replace(path='/v1/oauth/callback', query=urlencode(query_params)))
+    gv_url = urlunparse(urlparse(GRAVYVALET_URL)._replace(path=f'/v1/{oauth_version}/callback', query=urlencode(query_params)))
     requests.get(gv_url)