root / snf-astakos-app / astakos / im / target / redirect.py @ dd5f8f4d
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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.core.urlresolvers import reverse |
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from django.utils.translation import ugettext as _ |
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from django.utils.http import urlencode |
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from django.contrib.auth import authenticate |
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from django.http import ( |
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HttpResponse, HttpResponseBadRequest, HttpResponseForbidden) |
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from django.core.exceptions import ValidationError |
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from django.views.decorators.http import require_http_methods |
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from urlparse import urlunsplit, urlsplit, parse_qsl |
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from astakos.im.settings import COOKIE_DOMAIN |
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from astakos.im.util import restrict_next |
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from astakos.im.functions import login as auth_login, logout |
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import astakos.im.messages as astakos_messages |
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import logging |
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logger = logging.getLogger(__name__) |
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@require_http_methods(["GET", "POST"]) |
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def login(request): |
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"""
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If there is no ``next`` request parameter redirects to astakos index page
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displaying an error message.
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If the request user is authenticated and has signed the approval terms,
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redirects to `next` request parameter. If not, redirects to approval terms
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in order to return back here after agreeing with the terms.
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Otherwise, redirects to login in order to return back here after successful login.
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"""
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next = request.GET.get('next')
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if not next: |
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return HttpResponseBadRequest(_(astakos_messages.MISSING_NEXT_PARAMETER))
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if not restrict_next( |
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next, domain=COOKIE_DOMAIN, allowed_schemes=('pithos',) |
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): |
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return HttpResponseForbidden(_(astakos_messages.NOT_ALLOWED_NEXT_PARAM))
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force = request.GET.get('force', None) |
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response = HttpResponse() |
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if force == '': |
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logout(request) |
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if request.user.is_authenticated():
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# if user has not signed the approval terms
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# redirect to approval terms with next the request path
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if not request.user.signed_terms: |
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# first build next parameter
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parts = list(urlsplit(request.build_absolute_uri()))
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params = dict(parse_qsl(parts[3], keep_blank_values=True)) |
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# delete force parameter
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parts[3] = urlencode(params)
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next = urlunsplit(parts) |
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# build url location
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parts[2] = reverse('latest_terms') |
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params = {'next': next} |
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parts[3] = urlencode(params)
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url = urlunsplit(parts) |
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response['Location'] = url
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response.status_code = 302
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return response
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renew = request.GET.get('renew', None) |
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if renew == '': |
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request.user.renew_token( |
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flush_sessions=True,
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current_key=request.session.session_key |
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) |
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try:
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request.user.save() |
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except ValidationError, e:
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return HttpResponseBadRequest(e)
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# authenticate before login
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user = authenticate(email=request.user.email, |
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auth_token=request.user.auth_token |
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) |
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auth_login(request, user) |
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logger.info('Token reset for %s' % request.user.email)
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parts = list(urlsplit(next)) |
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parts[3] = urlencode({'user': request.user.email, |
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'token': request.user.auth_token
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} |
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) |
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url = urlunsplit(parts) |
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response['Location'] = url
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response.status_code = 302
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return response
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else:
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# redirect to login with next the request path
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# first build next parameter
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parts = list(urlsplit(request.build_absolute_uri()))
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params = dict(parse_qsl(parts[3], keep_blank_values=True)) |
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# delete force parameter
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if 'force' in params: |
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del params['force'] |
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parts[3] = urlencode(params)
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next = urlunsplit(parts) |
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# build url location
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parts[2] = reverse('index') |
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params = {'next': next} |
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parts[3] = urlencode(params)
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url = urlunsplit(parts) |
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response['Location'] = url
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response.status_code = 302
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return response
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