Add an OSM authentication provider

[osqa.git] / forum / views / auth.py

diff --git a/forum/views/auth.py b/forum/views/auth.py
index 442bf01fdb2ddeac30d4cab43dddd31965be357f..00b67dc2a7f1553ea7fdac52a1b43833dcb720f5 100644 (file)
--- a/forum/views/auth.py
+++ b/forum/views/auth.py
@@ -1,53 +1,65 @@
+# -*- coding: utf-8 -*-
+
+import datetime
+import logging
+import urllib
+from urlparse import urlparse
+

 from django.shortcuts import render_to_response, get_object_or_404
 from django.template import RequestContext
 from django.core.urlresolvers import reverse
 from django.shortcuts import render_to_response, get_object_or_404
 from django.template import RequestContext
 from django.core.urlresolvers import reverse

-from forum.models import User
-from django.http import HttpResponseRedirect, Http404, HttpResponseForbidden
+from django.http import HttpResponseRedirect, Http404

 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext as _
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext as _

-from django.utils.http import urlquote_plus
-from django.contrib.auth.decorators import login_required
-from django.contrib.auth import login,  logout
-from django.http import get_host
-import types
-import datetime
+from django.utils.encoding import smart_unicode
+from django.contrib.auth import login, logout

 
 

-from forum.authentication.forms import SimpleRegistrationForm, SimpleEmailSubscribeForm, \
-        TemporaryLoginRequestForm, ChangePasswordForm, SetPasswordForm
-from forum.utils.mail import send_email, send_template_email
+from django.contrib import messages

 
 

+from writers import manage_pending_data
+
+from forum.actions import EmailValidationAction
+from forum.utils import html
+from forum.views.decorators import login_required
+from forum.modules import decorate
+from forum.forms import SimpleRegistrationForm, TemporaryLoginRequestForm, ChangePasswordForm, SetPasswordForm
+from forum.http_responses import HttpResponseUnauthorized
+from forum.utils.mail import send_template_email

 from forum.authentication.base import InvalidAuthentication
 from forum.authentication import AUTH_PROVIDERS
 from forum.authentication.base import InvalidAuthentication
 from forum.authentication import AUTH_PROVIDERS

+from forum.models import User, AuthKeyUserAssociation, ValidationHash
+from forum.actions import UserJoinsAction, UserLoginAction
+from forum import settings

 
 

-from forum.models import AuthKeyUserAssociation, ValidationHash, Question, Answer
-from forum.actions import UserJoinsAction
+from vars import ON_SIGNIN_SESSION_ATTR, PENDING_SUBMISSION_SESSION_ATTR

 
 

-def signin_page(request, action=None):
-    if action is None:
-        request.session['on_signin_url'] = request.META.get('HTTP_REFERER', '/')
-    else:
-        request.session['on_signin_action'] = action
-        request.session['on_signin_url'] = reverse('auth_action_signin', kwargs={'action': action})
+def signin_page(request):
+    referer = request.META.get('HTTP_REFERER', '/')
+
+    # If the referer is equal to the sign up page, e. g. if the previous login attempt was not successful we do not
+    # change the sign in URL. The user should go to the same page.
+    if not referer.replace(settings.APP_URL, '') == reverse('auth_signin'):
+        request.session[ON_SIGNIN_SESSION_ATTR] = referer

 
 

-    all_providers = [provider.context for provider in AUTH_PROVIDERS.values()]
+    all_providers = [provider.context for provider in AUTH_PROVIDERS.values() if provider.context]

 
     sort = lambda c1, c2: c1.weight - c2.weight
     can_show = lambda c: not request.user.is_authenticated() or c.show_to_logged_in_user
 
     bigicon_providers = sorted([
 
     sort = lambda c1, c2: c1.weight - c2.weight
     can_show = lambda c: not request.user.is_authenticated() or c.show_to_logged_in_user
 
     bigicon_providers = sorted([

-        context for context in all_providers if context.mode == 'BIGICON' and can_show(context)
+    context for context in all_providers if context.mode == 'BIGICON' and can_show(context)

     ], sort)
 
     smallicon_providers = sorted([
     ], sort)
 
     smallicon_providers = sorted([

-        context for context in all_providers if context.mode == 'SMALLICON' and can_show(context)
+    context for context in all_providers if context.mode == 'SMALLICON' and can_show(context)

     ], sort)
 
     top_stackitem_providers = sorted([
     ], sort)
 
     top_stackitem_providers = sorted([

-        context for context in all_providers if context.mode == 'TOP_STACK_ITEM' and can_show(context)
+    context for context in all_providers if context.mode == 'TOP_STACK_ITEM' and can_show(context)

     ], sort)
 
     stackitem_providers = sorted([
     ], sort)
 
     stackitem_providers = sorted([

-        context for context in all_providers if context.mode == 'STACK_ITEM' and can_show(context)
+    context for context in all_providers if context.mode == 'STACK_ITEM' and can_show(context)

     ], sort)
 
     try:
     ], sort)
 
     try:


@@ -59,25 +71,26 @@ def signin_page(request, action=None):
     return render_to_response(
             'auth/signin.html',
             {
     return render_to_response(
             'auth/signin.html',
             {

-                'msg': msg,
-                'all_providers': all_providers,
-                'bigicon_providers': bigicon_providers,
-                'top_stackitem_providers': top_stackitem_providers,
-                'stackitem_providers': stackitem_providers,
-                'smallicon_providers': smallicon_providers,
+            'msg': msg,
+            'all_providers': all_providers,
+            'bigicon_providers': bigicon_providers,
+            'top_stackitem_providers': top_stackitem_providers,
+            'stackitem_providers': stackitem_providers,
+            'smallicon_providers': smallicon_providers,

             },
             RequestContext(request))
 
 def prepare_provider_signin(request, provider):
     force_email_request = request.REQUEST.get('validate_email', 'yes') == 'yes'
     request.session['force_email_request'] = force_email_request
             },
             RequestContext(request))
 
 def prepare_provider_signin(request, provider):
     force_email_request = request.REQUEST.get('validate_email', 'yes') == 'yes'
     request.session['force_email_request'] = force_email_request

-    
+

     if provider in AUTH_PROVIDERS:
         provider_class = AUTH_PROVIDERS[provider].consumer
 
         try:
             request_url = provider_class.prepare_authentication_request(request,
     if provider in AUTH_PROVIDERS:
         provider_class = AUTH_PROVIDERS[provider].consumer
 
         try:
             request_url = provider_class.prepare_authentication_request(request,

-                    reverse('auth_provider_done', kwargs={'provider': provider}))
+                                                                        reverse('auth_provider_done', prefix='/',
+                                                                                kwargs={'provider': provider}))

 
             return HttpResponseRedirect(request_url)
         except NotImplementedError, e:
 
             return HttpResponseRedirect(request_url)
         except NotImplementedError, e:


@@ -103,32 +116,37 @@ def process_provider_signin(request, provider):
         if request.user.is_authenticated():
             if isinstance(assoc_key, (type, User)):
                 if request.user != assoc_key:
         if request.user.is_authenticated():
             if isinstance(assoc_key, (type, User)):
                 if request.user != assoc_key:

-                    request.session['auth_error'] = _("Sorry, these login credentials belong to anoother user. Plese terminate your current session and try again.")
+                    request.session['auth_error'] = _(
+                            "Sorry, these login credentials belong to anoother user. Plese terminate your current session and try again."
+                            )

                 else:
                     request.session['auth_error'] = _("You are already logged in with that user.")
             else:
                 try:
                     assoc = AuthKeyUserAssociation.objects.get(key=assoc_key)
                     if assoc.user == request.user:
                 else:
                     request.session['auth_error'] = _("You are already logged in with that user.")
             else:
                 try:
                     assoc = AuthKeyUserAssociation.objects.get(key=assoc_key)
                     if assoc.user == request.user:

-                        request.session['auth_error'] = _("These login credentials are already associated with your account.")
+                        request.session['auth_error'] = _(
+                                "These login credentials are already associated with your account.")

                     else:
                     else:

-                        request.session['auth_error'] = _("Sorry, these login credentials belong to anoother user. Plese terminate your current session and try again.")
+                        request.session['auth_error'] = _(
+                                "Sorry, these login credentials belong to anoother user. Plese terminate your current session and try again."
+                                )

                 except:
                     uassoc = AuthKeyUserAssociation(user=request.user, key=assoc_key, provider=provider)
                     uassoc.save()
                 except:
                     uassoc = AuthKeyUserAssociation(user=request.user, key=assoc_key, provider=provider)
                     uassoc.save()

-                    request.user.message_set.create(message=_('The new credentials are now associated with your account'))
+                    messages.info(request, _('The new credentials are now associated with your account'))

                     return HttpResponseRedirect(reverse('user_authsettings', args=[request.user.id]))
 
             return HttpResponseRedirect(reverse('auth_signin'))
         else:
             if isinstance(assoc_key, User):
                     return HttpResponseRedirect(reverse('user_authsettings', args=[request.user.id]))
 
             return HttpResponseRedirect(reverse('auth_signin'))
         else:
             if isinstance(assoc_key, User):

-                return login_and_forward(request, assoc_key) 
+                return login_and_forward(request, assoc_key)

 
         try:
             assoc = AuthKeyUserAssociation.objects.get(key=assoc_key)
             user_ = assoc.user
             return login_and_forward(request, user_)
 
         try:
             assoc = AuthKeyUserAssociation.objects.get(key=assoc_key)
             user_ = assoc.user
             return login_and_forward(request, user_)

-        except:
+        except AuthKeyUserAssociation.DoesNotExist:

             request.session['assoc_key'] = assoc_key
             request.session['auth_provider'] = provider
             return HttpResponseRedirect(reverse('auth_external_register'))
             request.session['assoc_key'] = assoc_key
             request.session['auth_provider'] = provider
             return HttpResponseRedirect(reverse('auth_external_register'))


@@ -138,17 +156,16 @@ def process_provider_signin(request, provider):
 def external_register(request):
     if request.method == 'POST' and 'bnewaccount' in request.POST:
         form1 = SimpleRegistrationForm(request.POST)
 def external_register(request):
     if request.method == 'POST' and 'bnewaccount' in request.POST:
         form1 = SimpleRegistrationForm(request.POST)

-        email_feeds_form = SimpleEmailSubscribeForm(request.POST)

 
 

-        if (form1.is_valid() and email_feeds_form.is_valid()):
-            user_ = User(username=form1.cleaned_data['username'], email=form1.cleaned_data['email'])
+        if form1.is_valid():
+            user_ = User(username=form1.cleaned_data['username'], email=form1.cleaned_data['email'], real_name=form1.cleaned_data['real_name'])

             user_.email_isvalid = request.session.get('auth_validated_email', '') == form1.cleaned_data['email']
             user_.set_unusable_password()
 
             if User.objects.all().count() == 0:
                 user_.is_superuser = True
                 user_.is_staff = True
             user_.email_isvalid = request.session.get('auth_validated_email', '') == form1.cleaned_data['email']
             user_.set_unusable_password()
 
             if User.objects.all().count() == 0:
                 user_.is_superuser = True
                 user_.is_staff = True

-            
+

             user_.save()
             UserJoinsAction(user=user_, ip=request.META['REMOTE_ADDR']).save()
 
             user_.save()
             UserJoinsAction(user=user_, ip=request.META['REMOTE_ADDR']).save()
 


@@ -156,48 +173,61 @@ def external_register(request):
                 assoc_key = request.session['assoc_key']
                 auth_provider = request.session['auth_provider']
             except:
                 assoc_key = request.session['assoc_key']
                 auth_provider = request.session['auth_provider']
             except:

-                request.session['auth_error'] = _("Oops, something went wrong in the middle of this process. Please try again.")
-                return HttpResponseRedirect(request.session.get('on_signin_url', reverse('auth_signin'))) 
+                request.session['auth_error'] = _(
+                        "Oops, something went wrong in the middle of this process. Please try again. Note that you need to have cookies enabled for the authentication to work."
+                        )
+                logging.error("Missing session data when trying to complete user registration: %s" % ", ".join(
+                        ["%s: %s" % (k, v) for k, v in request.META.items()]))
+                return HttpResponseRedirect(reverse('auth_signin'))

 
             uassoc = AuthKeyUserAssociation(user=user_, key=assoc_key, provider=auth_provider)
             uassoc.save()
 
 
             uassoc = AuthKeyUserAssociation(user=user_, key=assoc_key, provider=auth_provider)
             uassoc.save()
 

-            if email_feeds_form.cleaned_data['subscribe'] == 'n':
-                user_.subscription_settings.enable_notifications = False
-                user_.subscription_settings.save()
-

             del request.session['assoc_key']
             del request.session['auth_provider']
 
             del request.session['assoc_key']
             del request.session['auth_provider']
 

-            return login_and_forward(request, user_, _("A welcome email has been sent to your email address. "))
+            return login_and_forward(request, user_, message=_("A welcome email has been sent to your email address. "))

     else:
     else:

-        provider_class = AUTH_PROVIDERS[request.session['auth_provider']].consumer
-        user_data = provider_class.get_user_data(request.session['assoc_key'])
+        auth_provider = request.session.get('auth_provider', None)
+        if not auth_provider:
+            request.session['auth_error'] = _(
+                    "Oops, something went wrong in the middle of this process. Please try again.")
+            logging.error("Missing session data when trying to complete user registration: %s" % ", ".join(
+                    ["%s: %s" % (k, v) for k, v in request.META.items()]))
+            return HttpResponseRedirect(reverse('auth_signin'))
+
+        provider_class = AUTH_PROVIDERS[auth_provider].consumer
+
+        if provider_class.__class__.__name__ == 'FacebookAuthConsumer':
+            user_data = provider_class.get_user_data(request.session['access_token'])
+        else:
+            user_data = provider_class.get_user_data(request.session['assoc_key'])
+

 
         if not user_data:
             user_data = request.session.get('auth_consumer_data', {})
 
         username = user_data.get('username', '')
         email = user_data.get('email', '')
 
         if not user_data:
             user_data = request.session.get('auth_consumer_data', {})
 
         username = user_data.get('username', '')
         email = user_data.get('email', '')

+        real_name = user_data.get('real_name', '')

 
         if email:
             request.session['auth_validated_email'] = email
 
         form1 = SimpleRegistrationForm(initial={
 
         if email:
             request.session['auth_validated_email'] = email
 
         form1 = SimpleRegistrationForm(initial={

-            'next': '/',
-            'username': username,
-            'email': email,
+        'next': '/',
+        'username': username,
+        'email': email,
+        'real_name': real_name,

         })
         })

-        email_feeds_form = SimpleEmailSubscribeForm()

 
     provider_context = AUTH_PROVIDERS[request.session['auth_provider']].context
 
     return render_to_response('auth/complete.html', {
 
     provider_context = AUTH_PROVIDERS[request.session['auth_provider']].context
 
     return render_to_response('auth/complete.html', {

-        'form1': form1,
-        'email_feeds_form': email_feeds_form,
-        'provider':mark_safe(provider_context.human_name),
-        'login_type':provider_context.id,
-        'gravatar_faq_url':reverse('faq') + '#gravatar',
+    'form1': form1,
+    'provider':provider_context and mark_safe(provider_context.human_name) or _('unknown'),
+    'login_type':provider_context.id,
+    'gravatar_faq_url':reverse('faq') + '#gravatar',

     }, context_instance=RequestContext(request))
 
 def request_temp_login(request):
     }, context_instance=RequestContext(request))
 
 def request_temp_login(request):


@@ -205,56 +235,88 @@ def request_temp_login(request):
         form = TemporaryLoginRequestForm(request.POST)
 
         if form.is_valid():
         form = TemporaryLoginRequestForm(request.POST)
 
         if form.is_valid():

-            user = form.user_cache
+            users = form.user_cache

 
 

-            try:
-                hash = get_object_or_404(ValidationHash, user=user, type='templogin')
-                if hash.expiration < datetime.datetime.now():
-                    hash.delete()
-                    return request_temp_login(request)
-            except:
-                hash = ValidationHash.objects.create_new(user, 'templogin', [user.id])
+            for u in users:
+                if u.is_suspended():
+                    return forward_suspended_user(request, u, False)
+
+            for u in users:
+                try:
+                    hash = get_object_or_404(ValidationHash, user=u, type='templogin')
+                    if hash.expiration < datetime.datetime.now():
+                        hash.delete()
+                        return request_temp_login(request)
+                except:
+                    hash = ValidationHash.objects.create_new(u, 'templogin', [u.id])

 
 

-            send_email(_("Temporary login link"), [(user.username, user.email)], "auth/temp_login_email.html", {
-                'temp_login_code': hash,
-                'user': user
-            })
+                send_template_email([u], "auth/temp_login_email.html", {'temp_login_code': hash})

 
 

-            request.user.message_set.create(message=_("An email has been sent with your temporary login key"))
+                messages.info(request, _("An email has been sent with your temporary login key"))

 
             return HttpResponseRedirect(reverse('index'))
     else:
         form = TemporaryLoginRequestForm()
 
     return render_to_response(
 
             return HttpResponseRedirect(reverse('index'))
     else:
         form = TemporaryLoginRequestForm()
 
     return render_to_response(

-            'auth/temp_login_request.html', {'form': form}, 
+            'auth/temp_login_request.html', {'form': form},

             context_instance=RequestContext(request))
 
 def temp_signin(request, user, code):
     user = get_object_or_404(User, id=user)
 
     if (ValidationHash.objects.validate(code, user, 'templogin', [user.id])):
             context_instance=RequestContext(request))
 
 def temp_signin(request, user, code):
     user = get_object_or_404(User, id=user)
 
     if (ValidationHash.objects.validate(code, user, 'templogin', [user.id])):

-        return login_and_forward(request,  user, reverse('user_authsettings', kwargs={'id': user.id}),
-                _("You are logged in with a temporary access key, please take the time to fix your issue with authentication."))
+        
+        # If the user requests temp_signin he must have forgotten his password. So we mark it as unusable.
+        user.set_unusable_password()
+        user.save()
+        
+        return login_and_forward(request, user, reverse('user_authsettings', kwargs={'id': user.id}),
+                                 _(
+                                         "You are logged in with a temporary access key, please take the time to fix your issue with authentication."
+                                         ))

     else:
         raise Http404()
     else:
         raise Http404()

-    
+
+def send_validation_email(request):
+    if not request.user.is_authenticated():
+        return HttpResponseUnauthorized(request)
+    else:
+        # We check if there are some old validation hashes. If there are -- we delete them.
+        try:
+            hash = ValidationHash.objects.get(user=request.user, type='email')
+            hash.delete()
+        except:
+            pass
+
+        # We don't care if there are previous cashes in the database... In every case we have to create a new one
+        hash = ValidationHash.objects.create_new(request.user, 'email', [request.user.email])
+
+        additional_get_params = urllib.urlencode(dict([k, v.encode('utf-8')] for k, v in request.GET.items()))
+        send_template_email([request.user], "auth/mail_validation.html", {
+            'validation_code': hash,
+            'additional_get_params' : additional_get_params
+        })
+
+        messages.info(request, _("A message with an email validation link was just sent to your address."))
+        return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
+
+        
+

 def validate_email(request, user, code):
     user = get_object_or_404(User, id=user)
 
     if (ValidationHash.objects.validate(code, user, 'email', [user.email])):
 def validate_email(request, user, code):
     user = get_object_or_404(User, id=user)
 
     if (ValidationHash.objects.validate(code, user, 'email', [user.email])):

-        user.email_isvalid = True
-        user.save()
-        return login_and_forward(request,  user, None, _("Thank you, your email is now validated."))
+        EmailValidationAction(user=user, ip=request.META['REMOTE_ADDR']).save()
+        return login_and_forward(request, user, reverse('index'), _("Thank you, your email is now validated."))

     else:
     else:

-        raise Http404()
+        return render_to_response('auth/mail_already_validated.html', { 'user' : user }, RequestContext(request))

 
 

-@login_required

 def auth_settings(request, id):
     user_ = get_object_or_404(User, id=id)
 
     if not (request.user.is_superuser or request.user == user_):
 def auth_settings(request, id):
     user_ = get_object_or_404(User, id=id)
 
     if not (request.user.is_superuser or request.user == user_):

-        return HttpResponseForbidden()
+        return HttpResponseUnauthorized(request)

 
     auth_keys = user_.auth_keys.all()
 
 
     auth_keys = user_.auth_keys.all()
 


@@ -271,11 +333,11 @@ def auth_settings(request, id):
             user_.save()
 
             if is_new_pass:
             user_.save()
 
             if is_new_pass:

-                request.user.message_set.create(message=_("New password set"))
+                messages.info(request, _("New password set"))

                 if not request.user.is_superuser:
                     form = ChangePasswordForm(user=user_)
             else:
                 if not request.user.is_superuser:
                     form = ChangePasswordForm(user=user_)
             else:

-                request.user.message_set.create(message=_("Your password was changed"))
+                messages.info(request, _("Your password was changed"))

 
             return HttpResponseRedirect(reverse('user_authsettings', kwargs={'id': user_.id}))
     else:
 
             return HttpResponseRedirect(reverse('user_authsettings', kwargs={'id': user_.id}))
     else:


@@ -293,83 +355,88 @@ def auth_settings(request, id):
             "unknown: %s" % ConsumerTemplateContext.readable_key(k)
 
         auth_keys_list.append({
             "unknown: %s" % ConsumerTemplateContext.readable_key(k)
 
         auth_keys_list.append({

-            'name': name,
-            'id': k.id
+        'name': name,
+        'id': k.id

         })
 
     return render_to_response('auth/auth_settings.html', {
         })
 
     return render_to_response('auth/auth_settings.html', {

-        'view_user': user_,
-        "can_view_private": (user_ == request.user) or request.user.is_superuser,
-        'form': form,
-        'has_password': user_.has_usable_password(),
-        'auth_keys': auth_keys_list,
+    'view_user': user_,
+    "can_view_private": (user_ == request.user) or request.user.is_superuser,
+    'form': form,
+    'has_password': user_.has_usable_password(),
+    'auth_keys': auth_keys_list,
+    'allow_local_auth': AUTH_PROVIDERS.get('local', None),

     }, context_instance=RequestContext(request))
 
 def remove_external_provider(request, id):
     association = get_object_or_404(AuthKeyUserAssociation, id=id)
     if not (request.user.is_superuser or request.user == association.user):
     }, context_instance=RequestContext(request))
 
 def remove_external_provider(request, id):
     association = get_object_or_404(AuthKeyUserAssociation, id=id)
     if not (request.user.is_superuser or request.user == association.user):

-        return HttpResponseForbidden()
+        return HttpResponseUnauthorized(request)

 
 

-    request.user.message_set.create(message=_("You removed the association with %s") % association.provider)
+    messages.info(request, _("You removed the association with %s") % association.provider)

     association.delete()
     return HttpResponseRedirect(reverse('user_authsettings', kwargs={'id': association.user.id}))
 
     association.delete()
     return HttpResponseRedirect(reverse('user_authsettings', kwargs={'id': association.user.id}))
 

-def newquestion_signin_action(user):
-    question = Question.objects.filter(author=user).order_by('-added_at')[0]
-    return question.get_absolute_url()
+def login_and_forward(request, user, forward=None, message=None):
+    if user.is_suspended():
+        return forward_suspended_user(request, user)

 
 

-def newanswer_signin_action(user):
-    answer = Answer.objects.filter(author=user).order_by('-added_at')[0]
-    return answer.get_absolute_url()
-
-POST_SIGNIN_ACTIONS = {
-    'newquestion': newquestion_signin_action,
-    'newanswer': newanswer_signin_action,
-}
-
-def login_and_forward(request,  user, forward=None, message=None):
-    old_session = request.session.session_key

     user.backend = "django.contrib.auth.backends.ModelBackend"
     user.backend = "django.contrib.auth.backends.ModelBackend"

-    login(request,  user)
+    login(request, user)
+
+    # Store the login action
+    UserLoginAction(user=user, ip=request.META['REMOTE_ADDR']).save()

 
 

-    temp_data = request.session.pop('temp_node_data', None)
-    if temp_data:
-        request.POST = temp_data
-        node_type = request.session.pop('temp_node_type')
+    if message is None:
+        message = _("Welcome back %s, you are now logged in") % smart_unicode(user.username)

 
 

-        if node_type == "question":
-            from forum.views.writers import ask
-            return ask(request)
-        elif node_type == "answer":
-            from forum.views.writers import answer
-            return answer(request, request.session.pop('temp_question_id'))
+    messages.info(request, message)

 
     if not forward:
 
     if not forward:

-        signin_action = request.session.get('on_signin_action', None)
-        if not signin_action:
-            forward = request.session.get('on_signin_url', None)
-
-            if not forward:
-                forward = reverse('index')
+        forward = request.session.get(ON_SIGNIN_SESSION_ATTR, reverse('index'))
+
+    pending_data = request.session.get(PENDING_SUBMISSION_SESSION_ATTR, None)
+
+    if pending_data and (user.email_isvalid or pending_data['type'] not in settings.REQUIRE_EMAIL_VALIDATION_TO):
+        submission_time = pending_data['time']
+        if submission_time < datetime.datetime.now() - datetime.timedelta(minutes=int(settings.HOLD_PENDING_POSTS_MINUTES)):
+            del request.session[PENDING_SUBMISSION_SESSION_ATTR]
+        elif submission_time < datetime.datetime.now() - datetime.timedelta(minutes=int(settings.WARN_PENDING_POSTS_MINUTES)):
+            messages.info(request, (_("You have a %s pending submission.") % pending_data['data_name']) + " %s, %s, %s" % (
+                html.hyperlink(reverse('manage_pending_data', kwargs={'action': _('save')}), _("save it")),
+                html.hyperlink(reverse('manage_pending_data', kwargs={'action': _('review')}), _("review")),
+                html.hyperlink(reverse('manage_pending_data', kwargs={'action': _('cancel')}), _("cancel"))
+            ))

         else:
         else:

-            try:
-                forward = POST_SIGNIN_ACTIONS[signin_action](user)
-            except:
-                forward = reverse('index')
+            return manage_pending_data(request, _('save'), forward)

 
 

-    if message is None:
-        message = _("Welcome back %s, you are now logged in") % user.username
+    additional_get_params = urllib.urlencode(dict([k, v.encode('utf-8')] for k, v in request.GET.items()))

 
 

-    request.user.message_set.create(message=message)
-    return HttpResponseRedirect(forward)
+    parsed_forward = urlparse(forward)

 
 

-@login_required
-def signout(request):
-    """
-    signout from the website. Remove openid from session and kill it.
+    # If there is already some parsed query in the URL then change the forward URL
+    if parsed_forward.query:
+        forward_url = forward + "&%s" % additional_get_params
+    else:
+        forward_url = forward + "?%s" % additional_get_params
+
+    return HttpResponseRedirect(forward_url)
+
+def forward_suspended_user(request, user, show_private_msg=True):
+    message = _("Sorry, but this account is suspended")
+    if show_private_msg:
+        msg_type = 'privatemsg'
+    else:
+        msg_type = 'publicmsg'
+
+    suspension = user.suspension
+    if suspension:
+        message += (":<br />" + suspension.extra.get(msg_type, ''))

 
 

-    url : /signout/"
-    """
+    messages.info(request, message)
+    return HttpResponseRedirect(reverse('index'))

 
 

+@decorate.withfn(login_required)
+def signout(request):

     logout(request)
     logout(request)

-    return HttpResponseRedirect(reverse('index'))
\ No newline at end of file
+    return HttpResponseRedirect(reverse('index'))