root / snf-astakos-app / astakos / im / target / shibboleth.py @ 4d1749fd
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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from django.http import HttpResponseBadRequest |
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from django.utils.translation import ugettext as _ |
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from django.contrib import messages |
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from django.template import RequestContext |
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from django.views.decorators.http import require_http_methods |
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from django.db.models import Q |
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from django.core.exceptions import ValidationError |
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from django.http import HttpResponseRedirect |
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from django.core.urlresolvers import reverse |
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from urlparse import urlunsplit, urlsplit |
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from django.utils.http import urlencode |
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from astakos.im.util import prepare_response, get_context, get_invitation |
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from astakos.im.views import requires_anonymous, render_response |
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from astakos.im.settings import ENABLE_LOCAL_ACCOUNT_MIGRATION, BASEURL |
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from astakos.im.models import AstakosUser, PendingThirdPartyUser |
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from astakos.im.forms import LoginForm |
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from astakos.im.activation_backends import get_backend, SimpleBackend |
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import logging |
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logger = logging.getLogger(__name__) |
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class Tokens: |
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# these are mapped by the Shibboleth SP software
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SHIB_EPPN = "HTTP_EPPN" # eduPersonPrincipalName |
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SHIB_NAME = "HTTP_SHIB_INETORGPERSON_GIVENNAME"
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SHIB_SURNAME = "HTTP_SHIB_PERSON_SURNAME"
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SHIB_CN = "HTTP_SHIB_PERSON_COMMONNAME"
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SHIB_DISPLAYNAME = "HTTP_SHIB_INETORGPERSON_DISPLAYNAME"
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SHIB_EP_AFFILIATION = "HTTP_SHIB_EP_AFFILIATION"
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SHIB_SESSION_ID = "HTTP_SHIB_SESSION_ID"
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SHIB_MAIL = "HTTP_SHIB_MAIL"
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@require_http_methods(["GET", "POST"]) |
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@requires_anonymous
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def login( |
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request, |
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on_login_template='im/login.html',
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on_signup_template='im/third_party_check_local.html',
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extra_context=None
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): |
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extra_context = extra_context or {}
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tokens = request.META |
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try:
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eppn = tokens[Tokens.SHIB_EPPN] |
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if not eppn: |
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raise KeyError |
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except KeyError: |
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return HttpResponseBadRequest("Missing unique token in request") |
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if Tokens.SHIB_DISPLAYNAME in tokens: |
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realname = tokens[Tokens.SHIB_DISPLAYNAME] |
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elif Tokens.SHIB_CN in tokens: |
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realname = tokens[Tokens.SHIB_CN] |
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elif Tokens.SHIB_NAME in tokens and Tokens.SHIB_SURNAME in tokens: |
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realname = tokens[Tokens.SHIB_NAME] + ' ' + tokens[Tokens.SHIB_SURNAME]
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else:
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return HttpResponseBadRequest("Missing user name in request") |
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affiliation = tokens.get(Tokens.SHIB_EP_AFFILIATION, '')
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email = tokens.get(Tokens.SHIB_MAIL, '')
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try:
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user = AstakosUser.objects.get( |
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provider='shibboleth',
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third_party_identifier=eppn |
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) |
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if user.is_active:
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return prepare_response(request,
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user, |
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request.GET.get('next'),
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'renew' in request.GET) |
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else:
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message = _('Inactive account')
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messages.add_message(request, messages.ERROR, message) |
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return render_response(on_login_template,
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login_form = LoginForm(request=request), |
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context_instance=RequestContext(request)) |
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except AstakosUser.DoesNotExist, e:
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# First time
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try:
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user, created = PendingThirdPartyUser.objects.get_or_create( |
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third_party_identifier=eppn, |
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provider='shibboleth',
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defaults=dict(
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realname=realname, |
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affiliation=affiliation, |
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email=email |
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) |
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) |
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user.save() |
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except BaseException, e: |
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logger.exception(e) |
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template = on_login_template |
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extra_context['login_form'] = LoginForm(request=request)
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messages.error(request, _('Something went wrong.'))
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else:
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if not ENABLE_LOCAL_ACCOUNT_MIGRATION: |
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url = reverse( |
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'astakos.im.target.shibboleth.signup'
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) |
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parts = list(urlsplit(url))
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parts[3] = urlencode({'key': user.username}) |
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url = urlunsplit(parts) |
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return HttpResponseRedirect(url)
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else:
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template = on_signup_template |
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extra_context['key'] = user.username
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extra_context['provider']='shibboleth' |
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return render_response(
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template, |
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context_instance=get_context(request, extra_context) |
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) |
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@require_http_methods(["GET"]) |
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@requires_anonymous
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def signup( |
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request, |
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backend=None,
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on_creation_template='im/third_party_registration.html',
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extra_context=None
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): |
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extra_context = extra_context or {}
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username = request.GET.get('key')
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if not username: |
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return HttpResponseBadRequest(_('Missing key parameter.')) |
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try:
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pending = PendingThirdPartyUser.objects.get(username=username) |
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except BaseException, e: |
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logger.exception(e) |
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return HttpResponseBadRequest(_('Invalid key.')) |
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else:
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d = pending.__dict__ |
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d.pop('_state', None) |
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d.pop('id', None) |
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user = AstakosUser(**d) |
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try:
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backend = backend or get_backend(request)
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except ImproperlyConfigured, e:
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messages.error(request, e) |
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else:
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extra_context['form'] = backend.get_signup_form(
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provider='shibboleth',
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instance=user |
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) |
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extra_context['provider']='shibboleth' |
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return render_response(
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on_creation_template, |
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context_instance=get_context(request, extra_context) |
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) |