X-Git-Url: https://git.mdrn.pl/django-cas-provider.git/blobdiff_plain/7000b91d56bf8528a8a613f7b07f4307d89dffe7..d36533f533bc0420622298afb19c61991d48eba8:/cas_provider/views.py diff --git a/cas_provider/views.py b/cas_provider/views.py index 5d9ea38..2e5e1f5 100644 --- a/cas_provider/views.py +++ b/cas_provider/views.py @@ -1,3 +1,5 @@ +import logging +logger = logging.getLogger('cas_provider.views') import urllib from django.http import HttpResponse, HttpResponseRedirect @@ -12,23 +14,32 @@ from models import ServiceTicket from utils import create_service_ticket from exceptions import SameEmailMismatchedPasswords +from . import signals + __all__ = ['login', 'validate', 'logout'] +def _build_service_url(service, ticket): + if service.find('?') == -1: + return service + '?ticket=' + ticket.ticket + else: + return service + '&ticket=' + ticket.ticket + + 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) 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) @@ -36,6 +47,7 @@ def login(request, template_name='cas/login.html', success_redirect='/account/', 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']) @@ -60,35 +72,53 @@ def login(request, template_name='cas/login.html', success_redirect='/account/', 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: # Not a POST... if merge: - form = MergeLoginForm(request.GET, request=request) + form = MergeLoginForm(initial={'service': service, 'email': request.GET.get('email')}) else: - form = LoginForm(request.GET, request=request) - else: - form = LoginForm(service) + form = LoginForm(initial={'service': service}) + 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: + 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 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'): + if 'service' in request.session: service = request.session['service'] del request.session['service'] else: @@ -99,27 +129,37 @@ def socialauth_login(request, template_name='cas/login.html', success_redirect=' auth_login(request, user) if service is not None: ticket = create_service_ticket(user, service) - return HttpResponseRedirect(service + '?ticket=' + ticket.ticket) + return HttpResponseRedirect(_build_service_url(service, ticket.ticket)) else: return HttpResponseRedirect(success_redirect) else: errors.append('This account is disabled.') else: - errors.append('Incorrect username and/or password.') + 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) + 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")