render 402 page ourselves

1 files changed, 7 insertions, 3 deletions

diff --git a/talerblog/blog/blog.py b/talerblog/blog/blog.py
index 860a3a9..4cf242b 100644
--- a/talerblog/blog/blog.py
+++ b/talerblog/blog/blog.py
@@ -25,7 +25,7 @@ import uuid
 import base64
 import requests
 import flask
-from werkzeug.contrib.cache import UWSGICache, SimpleCache
+from cachelib import UWSGICache, SimpleCache
 from talerblog.talerconfig import TalerConfig
 from ..blog.content import ARTICLES, get_article_file, get_image_file
 
@@ -315,8 +315,12 @@ def article(article_name, data=None):
         ##
         # Redirect the browser to a page where the wallet can
         # run the payment protocol.
-        if pay_status.get("payment_redirect_url"):
-            return flask.redirect(pay_status["payment_redirect_url"])
+        contract_url = pay_status["contract_url"]
+        headers = {"X-Taler-Contract": contract_url}
+        content = flask.render_template("templates/request_payment.html",
+                                         article_name=article_name)
+        resp = flask.Response(content, status=402, headers=headers)
+        return resp
 
     # no pay_redirect but article not paid, this should never happen!
     err_abort(500, message="Internal error, invariant failed", json=pay_status)