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u-auth/uauth/views.py

105 lines
4.0 KiB
Python

import json
import requests
from xml.etree import ElementTree
from django.views.generic.base import TemplateView
from django.views.generic import FormView
from django.views.decorators.csrf import csrf_exempt
from django.shortcuts import render_to_response, get_object_or_404
from django.core import signing
from django.http.request import QueryDict
from django.contrib.auth import authenticate
from django.utils.translation import ugettext_lazy as _
from mellon.views import LoginView as MellonLoginView
from .organization.models import Organization, LocalAccount
from .forms import GuestLoginForm, VoucherLoginForm
from .utils import create_radius_user, is_organization_idp, \
get_idp_list
class HomeView(TemplateView):
template_name = 'uauth/home.html'
homepage = HomeView.as_view()
class LoginMixin(object):
def login(self, organization):
context = {'organization': organization}
result = create_radius_user()
if result:
username, password = result
params = QueryDict(self.request.session[organization.slug], mutable=True)
hotspot_url = organization.hotspot_url
if 'login_url' in params:
hotspot_url = params.pop('login_url')[0]
context.update({'params': params.urlencode(),
'hotspot_url': hotspot_url,
'data': {'username': username,
'password': password}
})
return render_to_response('uauth/%s_login_successful.html' % organization.hotspot_type,
context)
return render_to_response('uauth/login_failed.html', context)
class LoginView(LoginMixin, MellonLoginView):
def authenticate(self, request, login, attributes):
relayState = signing.loads(login.msgRelayState)
organization = Organization.objects.get(slug=relayState['organization'])
attr = attributes
try:
if 'eduPersonTargetedID' in attributes:
attrkey = 'eduPersonTargetedID'
else:
attrkey = 'urn:oid:1.3.6.1.4.1.5923.1.1.1.10'
eduPersonTargetedID_xml = ElementTree.fromstring(attributes[attrkey][0])
eduPersonTargetedID = '%s' % eduPersonTargetedID_xml.text
eduPersonTargetedID_NameQualifier = eduPersonTargetedID_xml.attrib['NameQualifier']
except:
eduPersonTargetedID_NameQualifier = attributes['issuer']
if is_organization_idp(eduPersonTargetedID_NameQualifier, organization):
return self.login(organization)
login = csrf_exempt(LoginView.as_view())
class OrganizationPageView(LoginMixin, FormView):
form_class = GuestLoginForm
template_name = 'uauth/organization.html'
def get_context_data(self, **kwargs):
context = super(OrganizationPageView, self).get_context_data(**kwargs)
organization = get_object_or_404(Organization,
slug=self.kwargs['organization_slug'])
idps = get_idp_list()
self.request.session['organization'] = organization.slug
self.request.session[organization.slug] = self.request.GET.urlencode()
relay = signing.dumps({'organization': organization.slug})
context.update({'idps': idps,
'guest_login_form': kwargs['form'],
'relay': relay,
'organization': organization,
'voucher_login_form': VoucherLoginForm()
})
return context
def form_valid(self, form):
data = form.cleaned_data
organization = get_object_or_404(Organization,
slug=self.kwargs['organization_slug'])
data.update({'organization': organization})
user = authenticate(**data)
if user:
return self.login(organization)
else:
form.add_error(None, _('Unknown or inactive user'))
return self.form_invalid(form)
organization = OrganizationPageView.as_view()