X-Git-Url: https://git.mdrn.pl/django-cas-provider.git/blobdiff_plain/654b8af23c49ae6cc48a3ce826caabddc2b9dc61..122f2f5678cfe723a44c140206da2cb9117b46ee:/cas_provider/views.py diff --git a/cas_provider/views.py b/cas_provider/views.py index b6cb7a1..6b39131 100644 --- a/cas_provider/views.py +++ b/cas_provider/views.py @@ -1,14 +1,11 @@ import logging logger = logging.getLogger('cas_provider.views') -import urllib -import logging -from urllib import urlencode -import urllib2 -import urlparse +from urllib.error import HTTPError, URLError +from urllib.parse import parse_qsl, urlencode, urlparse, urlsplit, urlunsplit +from urllib.request import urlopen from functools import wraps -from django.utils.decorators import available_attrs from django.views.decorators.debug import sensitive_post_parameters from django.views.decorators.cache import cache_control from django.utils.cache import patch_cache_control @@ -17,22 +14,24 @@ from django.views.decorators.csrf import csrf_protect from django.http import HttpResponse, HttpResponseRedirect from django.conf import settings from django.contrib.auth import login as auth_login, logout as auth_logout -from django.core.urlresolvers import get_callable -from django.shortcuts import render_to_response + +from django.shortcuts import render +from django.utils.translation import ugettext as _ from django.template import RequestContext from django.contrib.auth import authenticate -from django.core.urlresolvers import reverse +from django.utils.translation import ugettext as _ from lxml import etree from cas_provider.attribute_formatters import NSMAP, CAS from cas_provider.models import ProxyGrantingTicket, ProxyTicket from cas_provider.models import ServiceTicket -from cas_provider.exceptions import SameEmailMismatchedPasswords from cas_provider.forms import LoginForm, MergeLoginForm from . import signals +from django.urls import get_callable, reverse + __all__ = ['login', 'validate', 'logout', 'service_validate'] INVALID_TICKET = 'INVALID_TICKET' @@ -41,10 +40,10 @@ INVALID_REQUEST = 'INVALID_REQUEST' INTERNAL_ERROR = 'INTERNAL_ERROR' ERROR_MESSAGES = ( - (INVALID_TICKET, u'The provided ticket is invalid.'), - (INVALID_SERVICE, u'Service is invalid'), - (INVALID_REQUEST, u'Not all required parameters were sent.'), - (INTERNAL_ERROR, u'An internal error occurred during ticket validation'), + (INVALID_TICKET, 'The provided ticket is invalid.'), + (INVALID_SERVICE, 'Service is invalid'), + (INVALID_REQUEST, 'Not all required parameters were sent.'), + (INTERNAL_ERROR, 'An internal error occurred during ticket validation'), ) @@ -59,7 +58,7 @@ def never_cache(view_func): Decorator that adds headers to a response so that it will never be cached. """ - @wraps(view_func, assigned=available_attrs(view_func)) + @wraps(view_func) def _wrapped_view_func(request, *args, **kwargs): response = view_func(request, *args, **kwargs) patch_cache_control(response, no_cache=True, @@ -98,7 +97,7 @@ def login(request, template_name='cas/login.html', if form.is_valid(): service = form.cleaned_data.get('service', None) try: - auth_args = dict(username=form.cleaned_data['email'], + auth_args = dict(username=form.cleaned_data['username'], password=form.cleaned_data['password']) if merge: # We only want to send the merge argument if it's @@ -106,7 +105,7 @@ def login(request, template_name='cas/login.html', # through the auth backends properly. auth_args['merge'] = merge user = authenticate(**auth_args) - except SameEmailMismatchedPasswords: + except: # Need to merge the accounts? if merge: # We shouldn't get here... @@ -115,42 +114,42 @@ def login(request, template_name='cas/login.html', base_url = reverse('cas_provider_merge') args = dict( success_redirect=success_redirect, - email=form.cleaned_data['email'], + username=form.cleaned_data['username'], ) if service is not None: args['service'] = service - args = urllib.urlencode(args) + args = urlencode(args) 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.') + errors.append(_('Incorrect username and/or password.')) else: if user.is_active: auth_login(request, user) else: # Not a POST... if merge: - form = MergeLoginForm(initial={'service': service, 'email': request.GET.get('email')}) + form = MergeLoginForm(initial={'service': service, 'username': request.GET.get('username')}) else: form = LoginForm(initial={'service': service}) - if user is not None and user.is_authenticated(): + 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.') + errors.append(_('This account is disabled. Please contact us if you feel it should be enabled again.')) else: # Send the on_cas_login signal. If we get an HttpResponse, return that. for receiver, response in signals.on_cas_login.send(sender=login, request=request, **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) - + signals.on_cas_login_success.send(sender=login, request=request, service=service, **kwargs) @@ -160,11 +159,11 @@ def login(request, template_name='cas/login.html', return HttpResponseRedirect(success_redirect) else: if request.GET.get('warn', False): - return render_to_response(warn_template_name, { + return render(request, warn_template_name, { 'service': service, 'warn': False - }, context_instance=RequestContext(request)) - + }) + # Create a service ticket and redirect to the service. ticket = ServiceTicket.objects.create(service=service, user=user) if 'service' in request.session: @@ -176,7 +175,7 @@ def login(request, template_name='cas/login.html', 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)) + return render(request, template_name, {'form': form, 'errors': errors}) @never_cache @@ -208,20 +207,19 @@ def validate(request): logger.info('Validation failed.') return HttpResponse("no\n\n") - + @never_cache def logout(request, template_name='cas/logout.html', auto_redirect=settings.CAS_AUTO_REDIRECT_AFTER_LOGOUT): url = request.GET.get('url', None) - if request.user.is_authenticated(): + if request.user.is_authenticated: for ticket in ServiceTicket.objects.filter(user=request.user): ticket.delete() auth_logout(request) if url and auto_redirect: return HttpResponseRedirect(url) - return render_to_response(template_name, {'url': url}, - context_instance=RequestContext(request)) + return render(request, template_name, {'url': url}) @never_cache @@ -235,7 +233,7 @@ def proxy(request): return _cas2_error_response(INVALID_TICKET) pt = ProxyTicket.objects.create(proxyGrantingTicket=proxyGrantingTicket, - user=proxyGrantingTicket.serviceTicket.user, + user=proxyGrantingTicket.user, service=targetService) return _cas2_proxy_success(pt.ticket) @@ -256,8 +254,8 @@ def ticket_validate(service, ticket_string, pgtUrl): except ServiceTicket.DoesNotExist: return _cas2_error_response(INVALID_TICKET) - ticketUrl = urlparse.urlparse(ticket.service) - serviceUrl = urlparse.urlparse(service) + ticketUrl = urlparse(ticket.service) + serviceUrl = urlparse(service) if not(ticketUrl.hostname == serviceUrl.hostname and ticketUrl.path == serviceUrl.path and ticketUrl.port == serviceUrl.port): return _cas2_error_response(INVALID_SERVICE) @@ -269,16 +267,16 @@ def ticket_validate(service, ticket_string, pgtUrl): if pgt: pgtIouId = pgt.pgtiou - if hasattr(ticket, 'proxyticket'): - pgt = ticket.proxyticket.proxyGrantingTicket + try: + proxyTicket = ticket.proxyticket + except ProxyTicket.DoesNotExist: + pass + else: + pgt = proxyTicket.proxyGrantingTicket # I am issued by this proxy granting ticket - if hasattr(pgt.serviceTicket, 'proxyticket'): - while pgt: - if hasattr(pgt.serviceTicket, 'proxyticket'): - proxies += (pgt.serviceTicket.service,) - pgt = pgt.serviceTicket.proxyticket.proxyGrantingTicket - else: - pgt = None + while pgt.pgt is not None: + proxies += (pgt.service,) + pgt = pgt.pgt user = ticket.user ticket.delete() @@ -308,31 +306,29 @@ def proxy_validate(request): def generate_proxy_granting_ticket(pgt_url, ticket): proxy_callback_good_status = (200, 202, 301, 302, 304) - uri = list(urlparse.urlsplit(pgt_url)) + uri = list(urlsplit(pgt_url)) pgt = ProxyGrantingTicket() - pgt.serviceTicket = ticket - pgt.targetService = pgt_url - - if hasattr(ticket, 'proxyGrantingTicket'): - # here we got a proxy ticket! tata! - pgt.pgt = ticket.proxyGrantingTicket + pgt.user = ticket.user + pgt.service = ticket.service + # Remember if it's a chained PGT. + pgt.pgt = getattr(ticket, 'proxyGrantingTicket', None) params = {'pgtId': pgt.ticket, 'pgtIou': pgt.pgtiou} - query = dict(urlparse.parse_qsl(uri[4])) + query = dict(parse_qsl(uri[4])) query.update(params) uri[3] = urlencode(query) try: - response = urllib2.urlopen(urlparse.urlunsplit(uri)) - except urllib2.HTTPError as e: + urlopen(urlunsplit(uri)) + except HTTPError as e: if not e.code in proxy_callback_good_status: - logger.debug('Checking Proxy Callback URL {} returned {}. Not issuing PGT.'.format(uri, e.code)) + logger.debug('Checking Proxy Callback URL {0} returned {1}. Not issuing PGT.'.format(uri, e.code)) return - except urllib2.URLError as e: - logger.debug('Checking Proxy Callback URL {} raised URLError. Not issuing PGT.'.format(uri)) + except URLError as e: + logger.debug('Checking Proxy Callback URL {0} raised URLError. Not issuing PGT.'.format(uri)) return pgt.save() @@ -344,18 +340,18 @@ def _cas2_proxy_success(pt): def _cas2_sucess_response(user, pgt=None, proxies=None): - return HttpResponse(auth_success_response(user, pgt, proxies), mimetype='text/xml') + return HttpResponse(auth_success_response(user, pgt, proxies), content_type='text/xml') def _cas2_error_response(code, message=None): - return HttpResponse(u''' + return HttpResponse(''' %(message)s ''' % { 'code': code, 'message': message if message else dict(ERROR_MESSAGES).get(code) - }, mimetype='text/xml') + }, content_type='text/xml') def proxy_success(pt): @@ -363,7 +359,7 @@ def proxy_success(pt): proxySuccess = etree.SubElement(response, CAS + 'proxySuccess') proxyTicket = etree.SubElement(proxySuccess, CAS + 'proxyTicket') proxyTicket.text = pt - return unicode(etree.tostring(response, encoding='utf-8'), 'utf-8') + return etree.tostring(response, encoding='unicode') def auth_success_response(user, pgt, proxies): @@ -398,4 +394,4 @@ def auth_success_response(user, pgt, proxies): proxyElement = etree.SubElement(proxiesElement, CAS + "proxy") proxyElement.text = proxy - return unicode(etree.tostring(response, encoding='utf-8'), 'utf-8') + return etree.tostring(response, encoding='unicode')