Give something better than a 500 when OpenID discovery fails.

[zzz-floof.git] / floof / controllers / account.py

diff --git a/floof/controllers/account.py b/floof/controllers/account.py
index 6c36310..2c94736 100644 (file)
--- a/floof/controllers/account.py
+++ b/floof/controllers/account.py
@@ -3,13 +3,15 @@ import logging
 from openid.consumer.consumer import Consumer
 from openid.extensions.sreg import SRegRequest, SRegResponse
 from openid.store.filestore import FileOpenIDStore
+from openid.yadis.discover import DiscoveryFailure
 from sqlalchemy.orm.exc import NoResultFound
 
-from pylons import request, response, session, tmpl_context as c
-from pylons.controllers.util import abort, redirect_to
+from pylons import request, response, session, tmpl_context as c, url
+from pylons.controllers.util import abort, redirect, redirect_to
 from routes import url_for, request_config
 
 from floof.lib.base import BaseController, render
+import floof.lib.helpers as h
 from floof.model.users import IdentityURL, User
 
 log = logging.getLogger(__name__)
@@ -19,13 +21,20 @@ class AccountController(BaseController):
     openid_store = FileOpenIDStore('/var/tmp')
 
     def login(self):
-        return render('/login.mako')
+        c.bogus_identity_url = request.params.get('bogus_identity_url', None)
+        return render('/account/login.mako')
 
     def login_begin(self):
         """Step one of logging in with OpenID; we redirect to the provider"""
 
+        identity_url = request.params['identity_url']
         cons = Consumer(session=session, store=self.openid_store)
-        auth_request = cons.begin(request.params['identity_url'])
+        try:
+            auth_request = cons.begin(identity_url)
+        except DiscoveryFailure:
+            redirect_to(controller='account', action='login',
+                        bogus_identity_url=identity_url)
+
         sreg_req = SRegRequest(optional=['nickname', 'email', 'dob', 'gender',
                                          'country', 'language', 'timezone'])
         auth_request.addExtension(sreg_req)
@@ -35,7 +44,7 @@ class AccountController(BaseController):
         return_url = url_for(host=host, controller='account', action='login_finish')
         new_url = auth_request.redirectURL(return_to=return_url,
                                            realm=protocol + '://' + host)
-        redirect_to(new_url)
+        redirect(new_url)
 
     def login_finish(self):
         """Step two of logging in; the OpenID provider redirects back here."""
@@ -53,22 +62,67 @@ class AccountController(BaseController):
             q = User.query.filter(User.identity_urls.any(url=res.identity_url))
             user = q.one()
         except NoResultFound:
+            # Unrecognized URL.  Redirect to a registration page to ask for a
+            # nickname, etc.
+            session['register:identity_url'] = res.identity_url
+
             # Try to pull a name out of the SReg response
             sreg_res = SRegResponse.fromSuccessResponse(res)
-            try:
-                username = unicode(sreg_res['nickname'])
-            except:
-                username = u'Anonymous'
+            if sreg_res and 'nickname' in sreg_res:
+                session['register:nickname'] = sreg_res['nickname']
 
-            # Create db records
-            user = User(name=username)
-            identity_url = IdentityURL(url=res.identity_url)
-            user.identity_urls.append(identity_url)
-            elixir.session.commit()
+            session.save()
+            redirect(url('register'))
 
         # Remember who's logged in, and we're good to go
         session['user_id'] = user.id
         session.save()
 
         # XXX send me where I came from
-        redirect_to('/')
+        redirect('/')
+
+    def logout(self):
+        """Log user out."""
+
+        if 'user_id' in session:
+            del session['user_id']
+            session.save()
+
+        # XXX success message
+        # XXX send me where I came from
+        redirect('/')
+
+    def register(self):
+        """Logging in with an unrecognized identity URL redirects here."""
+
+        c.identity_url = session['register:identity_url']
+        c.nickname = session.get('register:nickname', None)
+
+        return render('/account/register.mako')
+
+    def register_finish(self):
+        """Complete a new-user registration.  Create the user and log in."""
+
+        identity_url = session['register:identity_url']
+        username = request.params.get('username', None)
+
+        # XXX how do we return errors in some useful way?
+
+        if not username:
+            return 'Please enter a username.'
+
+        if User.query.filter_by(name=username).count():
+            return 'That username is taken.'
+
+        # Create db records
+        user = User(name=username)
+        user.identity_urls.append(IdentityURL(url=identity_url))
+        elixir.session.commit()
+
+        # Log in
+        session['user_id'] = user.id
+        session.save()
+
+        # XXX how do we do success messages in some useful way?
+        # XXX send me where I came from
+        redirect('/')