Switch to basic authentication for Seafile

hiboo/application/storage.py

@@ -47,7 +47,7 @@ class SeafileApplication(base.OIDCApplication):
         callback_uri = form.application_uri.data + "/oauth/callback"
         service.config.update({
             "application_uri": form.application_uri.data,
-            "token_endpoint_auth_method": "client_secret_post",
+            "token_endpoint_auth_method": "client_secret_basic",
             "redirect_uris": [callback_uri],
             "grant_types": ["authorization_code"],
             "response_types": ["code"],