Completed aiohttp app

examples/aiohttp_app.py

@@ -38,7 +38,11 @@ async def hello(request):
     return web.Response(text="Hello, world")
 
 
-
+def logout(request):
+    request.app['auth'].end_session(request['token'])
+    response = aiohttp_jinja2.render_template('login.html', request, {'logged_in': False})
+    response.del_cookie('token')
+    return response
 
 async def login(request):
     context = {}
@@ -47,13 +51,19 @@ async def login(request):
         data = await request.post()
         login_name = data['login_name']
         passphrase = data['passphrase']
-        token = request.app['auth'].start_session(login_name, passphrase)
 
-        if token:
-            context = {'logged_in': True}
-        else:
-            context = {'logged_in' : False}
+        try:
+
+            token = request.app['auth'].start_session(login_name, passphrase)
+
+            if token:
+                context = {'logged_in': True}
+            else:
+                context = {'logged_in' : False}
 
+        except VerificationFailedException:
+            context = {'logged_in' : False, 'verify_failed': True}
+            token = None
     else:
         valid = False
         if 'token' in request.cookies:
@@ -75,6 +85,7 @@ async def login(request):
 app.router.add_get('/', hello)
 app.router.add_post('/login', login)
 app.router.add_get('/login', login)
+app.router.add_get('/logout', logout)
 
 app.on_startup.append(startup)
 web.run_app(app, port=8080)

examples/templates/login.html

@@ -69,7 +69,11 @@
 
 {% if not logged_in %}
 
-    <h4>You Are Not Logged In</h4>
+    {% if not verify_failed %}
+    <h4>You Have Not Logged In</h4>
+    {% else %}
+    <h4>Your Login Failed</h4>
+    {% endif %}
     <form action="/login" method="post" accept-charset="utf-8" enctype="application/x-www-form-urlencoded">
 
       <div class="container">
@@ -88,7 +92,8 @@ <h4>You Are Not Logged In</h4>
       </div>
     </form>
 {% else %}
-<h4>Already Logged In!</h4>
+    <h4>Already Logged In!</h4>
+    <a href="/logout">Logout</a>
 {% endif %}
 </body>
 </html>