+import logging
+logger = logging.getLogger('cas_provider.views')
import urllib
from django.http import HttpResponse, HttpResponseRedirect
from utils import create_service_ticket
from exceptions import SameEmailMismatchedPasswords
+from . import signals
+
__all__ = ['login', 'validate', 'logout']
-def login(request, template_name='cas/login.html', success_redirect='/account/', merge=False):
+def _build_service_url(service, ticket):
+ if service.find('?') == -1:
+ return service + '?ticket=' + ticket
+ else:
+ return service + '&ticket=' + ticket
+
+
+def login(request, template_name='cas/login.html', success_redirect='/account/', **kwargs):
+ merge = kwargs.get('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)
if service is not None:
+ # Save the service on the session, for later use if we end up
+ # in one of the more complicated workflows.
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:
- return HttpResponseRedirect(service + '?ticket=' + ticket.ticket)
- else:
- return HttpResponseRedirect(service + '&ticket=' + ticket.ticket)
- else:
- return HttpResponseRedirect(success_redirect)
+
+ user = request.user
+
errors = []
+
if request.method == 'POST':
if merge:
form = MergeLoginForm(request.POST, request=request)
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'])
args['service'] = service
args = urllib.urlencode(args)
- return HttpResponseRedirect('%s?%s' % (base_url, args))
- if user is not None:
+ url = '%s?%s' % (base_url, args)
+ logging.debug('Redirecting to %s', url)
+ return HttpResponseRedirect(url)
+
+ if user is None:
+ errors.append('Incorrect username and/or password.')
+ else:
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.')
- else:
+
+ else: # Not a POST...
if merge:
form = MergeLoginForm(initial={'service': service, 'email': request.GET.get('email')})
else:
form = LoginForm(initial={'service': service})
- 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:
+ if user is not None and user.is_authenticated():
+ # We have an authenticated user.
+ if not user.is_active:
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))
+ else:
+ # Send the on_cas_login signal. If we get an HttpResponse, return that.
+ for receiver, response in signals.on_cas_login(sender=login, request=request,
+ kwargs=kwargs):
+ if isinstance(response, HttpResponse):
+ return response
+
+ if service is None:
+ # Try and pull the service off the session
+ service = request.session.pop('service', service)
+
+ if service is None:
+ # Normal internal success redirection.
+ logging.debug('Redirecting to %s', success_redirect)
+ return HttpResponseRedirect(success_redirect)
+ else:
+ # Create a service ticket and redirect to the service.
+ ticket = create_service_ticket(request.user, service)
+ if 'service' in request.session:
+ # Don't need this any more.
+ del request.session['service']
+
+ url = _build_service_url(service, ticket.ticket)
+ logging.debug('Redirecting to %s', url)
+ return HttpResponseRedirect(url)
+
+ 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))
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)
+ 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()
- return HttpResponse("yes\n%s\n" % username)
- except:
- pass
+
+ 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")
fnp / django-cas-provider.git / blobdiff