From 4ab99cfc91ca2be9aedd9f1099ab9585375fe78d Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Fri, 23 Aug 2019 18:55:08 +0200
Subject: render 402 page ourselves

---
 talerblog/blog/blog.py                        | 10 +++++++---
 talerblog/blog/static/web-common              |  2 +-
 talerblog/blog/templates/fallback.html        | 28 ---------------------------
 talerblog/blog/templates/request_payment.html | 16 +++++++++++++++
 4 files changed, 24 insertions(+), 32 deletions(-)
 delete mode 100644 talerblog/blog/templates/fallback.html
 create mode 100644 talerblog/blog/templates/request_payment.html

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)
diff --git a/talerblog/blog/static/web-common b/talerblog/blog/static/web-common
index e9554ba..72b28c3 160000
--- a/talerblog/blog/static/web-common
+++ b/talerblog/blog/static/web-common
@@ -1 +1 @@
-Subproject commit e9554baf0f3f880d656284ef5e9089bbd8313464
+Subproject commit 72b28c3201f2a2cdd3e88b3916f722e050895998
diff --git a/talerblog/blog/templates/fallback.html b/talerblog/blog/templates/fallback.html
deleted file mode 100644
index 8dc426b..0000000
--- a/talerblog/blog/templates/fallback.html
+++ /dev/null
@@ -1,28 +0,0 @@
-{% extends "templates/base.html" %}
-{% block main %}
-
-<p class="taler-installed-show">
-Payment is being processed.  If nothing happens, please <a href="{{ request.path }}">click here</a>.
-</p>
-  
-<div id="ccfakeform" class="taler-installed-hide">
-  <p>
-    Oops, it looks like you don't have a Taler wallet installed.  Why don't you enter
-    all your credit card details before reading the article? <em>You can also
-    use GNU Taler to complete the purchase at any time.</em>
-  </p>
-
-  <form>
-    First name<br> <input type="text"><br>
-    Family name<br> <input type="text"><br>
-    Age<br> <input type="text"><br>
-    Nationality<br> <input type="text"><br>
-    Gender<br> <input type="radio" name"gender">Male</input>
-    CC number<br> <input type="text"><br>
-    <input type="radio" name="gender">Female<br>
-  </form>
-  <form method="get" action="/cc-payment/{{ article_name }}">
-   <input type="submit"></input>
-  </form>
-</div>
-{% endblock main %}
diff --git a/talerblog/blog/templates/request_payment.html b/talerblog/blog/templates/request_payment.html
new file mode 100644
index 0000000..827caf1
--- /dev/null
+++ b/talerblog/blog/templates/request_payment.html
@@ -0,0 +1,16 @@
+{% extends "templates/base.html" %}
+{% block main %}
+
+<p class="taler-installed-show">
+Payment is being processed.  If nothing happens, please <a href="{{ request.path }}">click here</a>.
+</p>
+  
+<div id="ccfakeform" class="taler-installed-hide">
+  <p>
+  Looks like your browser doesn't support GNU Taler payments.  You can try
+  installing browser extension wallet.
+  </p>
+
+  Use this QR code to pay with your module wallet:
+</div>
+{% endblock main %}
-- 
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