added came_from to login.jinja2

cao_blogr/__init__.py

@@ -12,7 +12,7 @@ def main(global_config, **settings):
     # session factory
     my_session_factory = SignedCookieSessionFactory('mGcAJn2HmNH6Hc')
 
-    authentication_policy = AuthTktAuthenticationPolicy('wMWvAWMZnp6Lch', 
+    authentication_policy = AuthTktAuthenticationPolicy('J2wv322aL5DTn2', 
                             callback=groupfinder, hashalg='sha512', timeout=36000)
     authorization_policy = ACLAuthorizationPolicy()
     with Configurator(settings=settings,

cao_blogr/templates/login.jinja2

@@ -7,6 +7,8 @@
 
     <form action="{{ login_url }}" method="post">
         <h2>Se connecter</h2>
+        <input type="hidden" name="came_from" value="{{ came_from }}" />
+
         <div class="form-group">
             <input type="text" name="username" class="form-control" placeholder="Identifiant">
         </div>
@@ -14,7 +16,7 @@
             <input type="password" name="password" class="form-control" placeholder="Mot de passe">
         </div>
         <div class="form-group">
-            <input type="submit" value="Se connecter" class="btn btn-primary">
+            <input type="submit" name="form.submitted" value="Se connecter" class="btn btn-primary">
         </div>
     </form>
 

cao_blogr/views/default.py

@@ -33,7 +33,6 @@ def apropos(request):
 @view_config(route_name='login', renderer='cao_blogr:templates/login.jinja2')
 @forbidden_view_config(renderer='cao_blogr:templates/login.jinja2')
 def login(request):
-    username = ''
     login_url = request.route_url('login')
 
     referrer = request.url
@@ -41,9 +40,11 @@ def login(request):
         referrer = '/' # never use the login form itself as came_from
     
     came_from = request.params.get('came_from', referrer)
-    username = request.POST.get('username')
-    userpwd = request.POST.get('password')
-    if username:
+    username = ''
+    userpwd = ''
+    if 'form.submitted' in request.params:
+        username = request.POST.get('username')
+        userpwd = request.POST.get('password')
         user = UserService.by_name(request, username)
         if user and user.verify_password(userpwd):
             headers = remember(request, username)