Redirect by default to flaskdav's main page (back_url is optional)

+ show accepted cookie list.

flaskdav.py

@@ -323,6 +323,7 @@ def authorize():
 
     if request.method == 'POST':
         response = make_response()
+        debug(request.form.items())
         if request.form.get('reset') == 'true':
             debug('old key was: ' + app.secret_key)
             generate_key()
@@ -339,8 +340,9 @@ def authorize():
         else:
             return 'Something went wrong...'
 
+        response.status = '301' # moved permanently
+        response.headers['Location'] = '/'
         if back:
-            response.status = '301' # moved permanently
             response.headers['Location'] = back
         # what if not? use referer? send bad request error? just do nothing?
 
@@ -348,6 +350,10 @@ def authorize():
         debug(request.args)
         headers = request.headers
         response = make_response(render_template('authorization_page.html',
+                                 cookie_list=[ base64_decode(cookey)
+                                               for cookey in
+                                               request.cookies.keys()
+                                               if verify_cookie(cookey) ],
                                  origin=request.args.get('origin'),
                                  back_url=request.args.get('back_url')))
     return response

templates/authorization_page.html

 <div>Allow origin: {{ origin }} ? </div>
-<div>You will then be redirected to {{ back_url }} .</div>
+
+<div>{% if back_url %}
+You will then be redirected to '{{ back_url }}'.
+{% else %}
+You will be redirected to the server's main page.
+{% endif %}</div>
+
+
+<div>
+{% if cookie_list %}
+List of cookies set for accepted origins until now:
+    <ul>
+        {% for cookie in cookie_list %}
+        <li> {{ cookie }} </li>
+        {% endfor %}
+    </ul>
+{% else %}
+No cookies are set.
+{% endif %}
+</div>
+
 <form action="" method="post">
     <input type="checkbox" name="reset" value="true"> Invalidate all previous cookies <br>
     <button name="accept" value="ok">OK</button>