Cleaned up long lines, unused imports.

[django-cas-provider.git] / cas_provider / views.py

diff --git a/cas_provider/views.py b/cas_provider/views.py
index 9c820ce..2979d1b 100644 (file)
--- a/cas_provider/views.py
+++ b/cas_provider/views.py
@@ -1,69 +1,156 @@
-from django.http import HttpResponse, HttpResponseForbidden, HttpResponseRedirect
+import logging
+logger = logging.getLogger('cas_provider.views')
+import urllib
+
+from django.http import HttpResponse, HttpResponseRedirect

 from django.shortcuts import render_to_response
 from django.template import RequestContext
 from django.shortcuts import render_to_response
 from django.template import RequestContext

-from django.contrib.auth.models import User

 from django.contrib.auth import authenticate
 from django.contrib.auth import login as auth_login, logout as auth_logout
 from django.contrib.auth import authenticate
 from django.contrib.auth import login as auth_login, logout as auth_logout

+from django.core.urlresolvers import reverse

 
 

-from forms import LoginForm
-from models import ServiceTicket, LoginTicket
+from forms import LoginForm, MergeLoginForm
+from models import ServiceTicket

 from utils import create_service_ticket
 from utils import create_service_ticket

+from exceptions import SameEmailMismatchedPasswords
+
+from . import signals

 
 __all__ = ['login', 'validate', 'logout']
 
 
 __all__ = ['login', 'validate', 'logout']
 

-def login(request, template_name='cas/login.html', success_redirect='/accounts/'):
+
+def login(request, template_name='cas/login.html', success_redirect='/account/', merge=False):
+    logging.debug('CAS Provider Login view. Method is %s, merge is %s, template is %s.',
+                  request.method, merge, template_name)

     service = request.GET.get('service', None)
     service = request.GET.get('service', None)

+    if service is not None:
+        request.session['service'] = service

     if request.user.is_authenticated():
         if service is not None:
             ticket = create_service_ticket(request.user, service)
             if service.find('?') == -1:
     if request.user.is_authenticated():
         if service is not None:
             ticket = create_service_ticket(request.user, service)
             if service.find('?') == -1:

-                return HttpResponseRedirect(service + '?ticket=' + ticket.ticket)
+                url = service + '?ticket=' + ticket.ticket
+                logging.debug('Redirecting to %s', url)
+                return HttpResponseRedirect(url)

             else:
             else:

-                return HttpResponseRedirect(service + '&ticket=' + ticket.ticket)
+                url = service + '&ticket=' + ticket.ticket
+                logging.debug('Redirecting to %s', url)
+                return HttpResponseRedirect(url)

         else:
         else:

+            logging.debug('Redirecting to %s', success_redirect)

             return HttpResponseRedirect(success_redirect)
     errors = []
     if request.method == 'POST':
             return HttpResponseRedirect(success_redirect)
     errors = []
     if request.method == 'POST':

-        username = request.POST.get('username', None)
-        password = request.POST.get('password', None)
-        service = request.POST.get('service', None)
-        lt = request.POST.get('lt', None)
-        
-        try:
-            login_ticket = LoginTicket.objects.get(ticket=lt)
-        except:
-            errors.append('Login ticket expired. Please try again.')
+        if merge:
+            form = MergeLoginForm(request.POST, request=request)

         else:
         else:

-            login_ticket.delete()
-            user = authenticate(username=username, password=password)
+            form = LoginForm(request.POST, request=request)
+
+        if form.is_valid():
+            service = form.cleaned_data.get('service', None)
+            try:
+                auth_args = dict(username=form.cleaned_data['email'],
+                                 password=form.cleaned_data['password'])
+                if merge:
+                    # We only want to send the merge argument if it's
+                    # True. If it it's False, we want it to propagate
+                    # through the auth backends properly.
+                    auth_args['merge'] = merge
+                user = authenticate(**auth_args)
+            except SameEmailMismatchedPasswords:
+                # Need to merge the accounts?
+                if merge:
+                    # We shouldn't get here...
+                    raise
+                else:
+                    base_url = reverse('cas_provider_merge')
+                    args = dict(
+                        success_redirect=success_redirect,
+                        email=form.cleaned_data['email'],
+                        )
+                    if service is not None:
+                        args['service'] = service
+                    args = urllib.urlencode(args)
+
+                    url = '%s?%s' % (base_url, args)
+                    logging.debug('Redirecting to %s', url)
+                    return HttpResponseRedirect(url)
+            

             if user is not None:
                 if user.is_active:
                     auth_login(request, user)
                     if service is not None:
                         ticket = create_service_ticket(user, service)
             if user is not None:
                 if user.is_active:
                     auth_login(request, user)
                     if service is not None:
                         ticket = create_service_ticket(user, service)

-                        return HttpResponseRedirect(service + '?ticket=' + ticket.ticket)
+                        url = service + '?ticket=' + ticket.ticket
+                        logging.debug('Redirecting to %s', url)
+                        return HttpResponseRedirect(url)

                     else:
                     else:

+                        logging.debug('Redirecting to %s', success_redirect)

                         return HttpResponseRedirect(success_redirect)
                 else:
                     errors.append('This account is disabled.')
             else:
                     errors.append('Incorrect username and/or password.')
                         return HttpResponseRedirect(success_redirect)
                 else:
                     errors.append('This account is disabled.')
             else:
                     errors.append('Incorrect username and/or password.')

-    form = LoginForm(service)
+    else:
+        if merge:
+            form = MergeLoginForm(initial={'service': service, 'email': request.GET.get('email')})
+        else:
+            form = LoginForm(initial={'service': service})
+    logging.debug('Rendering response on %s, merge is %s', template_name, merge)

     return render_to_response(template_name, {'form': form, 'errors': errors}, context_instance=RequestContext(request))
     return render_to_response(template_name, {'form': form, 'errors': errors}, context_instance=RequestContext(request))

-    
+
+
+def socialauth_login(request, template_name='cas/login.html', success_redirect='/account/'):
+    """ Similiar to login but user has been authenticated already through social auth.
+        This step authenticates the login and generates a service ticket.
+    """
+    user = request.user
+    user.backend = 'django.contrib.auth.backends.ModelBackend'
+    if request.session.has_key('service'):
+        service = request.session['service']
+        del request.session['service']
+    else:
+        service = '/'
+    errors = []
+    if user is not None:
+        if user.is_active:
+            auth_login(request, user)
+            if service is not None:
+                ticket = create_service_ticket(user, service)
+                return HttpResponseRedirect(service + '?ticket=' + ticket.ticket)
+            else:
+                return HttpResponseRedirect(success_redirect)
+        else:
+            errors.append('This account is disabled.')
+    else:
+            errors.append('Incorrect username and/or password.')
+    return render_to_response(template_name, {'errors': errors}, context_instance=RequestContext(request))
+
+

 def validate(request):
     service = request.GET.get('service', None)
     ticket_string = request.GET.get('ticket', None)
 def validate(request):
     service = request.GET.get('service', None)
     ticket_string = request.GET.get('ticket', None)

+    logger.info('Validating ticket %s for %s', ticket_string, service)

     if service is not None and ticket_string is not None:
         try:
             ticket = ServiceTicket.objects.get(ticket=ticket_string)
     if service is not None and ticket_string is not None:
         try:
             ticket = ServiceTicket.objects.get(ticket=ticket_string)

+        except ServiceTicket.DoesNotExist:
+            logger.exception("Tried to validate with an invalid ticket %s for %s", ticket_string, service)
+        except Exception as e:
+            logger.exception('Got an exception: %s', e)
+        else:

             username = ticket.user.username
             ticket.delete()
             username = ticket.user.username
             ticket.delete()

-            return HttpResponse("yes\r\n%s\r\n" % username)
-        except:
-            pass
-    return HttpResponse("no\r\n\r\n")
+
+            results = signals.on_cas_collect_histories.send(sender=validate, for_email=ticket.user.email)
+            histories = '\n'.join('\n'.join(rs) for rc, rs in results)
+            logger.info('Validated %s %s', username, "(also %s)" % histories if histories else '')
+            return HttpResponse("yes\n%s\n%s" % (username, histories))
+
+    logger.info('Validation failed.')
+    return HttpResponse("no\n\n")

     
     

+

 def logout(request, template_name='cas/logout.html'):
     url = request.GET.get('url', None)
     auth_logout(request)
 def logout(request, template_name='cas/logout.html'):
     url = request.GET.get('url', None)
     auth_logout(request)