root / snf-astakos-app / astakos / im / views / target / google.py @ 3e0a032d
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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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import json |
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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.views.decorators.http import require_http_methods |
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from django.http import HttpResponseRedirect |
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from django.core.urlresolvers import reverse |
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from astakos.im.models import AstakosUser |
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from astakos.im import settings |
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from astakos.im.views.target import get_pending_key, \ |
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handle_third_party_signup, handle_third_party_login, init_third_party_session |
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from astakos.im.views.decorators import cookie_fix, requires_auth_provider |
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import logging |
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import urllib |
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logger = logging.getLogger(__name__) |
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import oauth2 as oauth |
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signature_method = oauth.SignatureMethod_HMAC_SHA1() |
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OAUTH_CONSUMER_KEY = settings.GOOGLE_CLIENT_ID |
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OAUTH_CONSUMER_SECRET = settings.GOOGLE_SECRET |
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token_scope = 'https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/userinfo.email'
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authenticate_url = 'https://accounts.google.com/o/oauth2/auth'
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access_token_url = 'https://www.googleapis.com/oauth2/v1/tokeninfo'
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request_token_url = 'https://accounts.google.com/o/oauth2/token'
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def get_redirect_uri(): |
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return "%s%s" % (settings.BASEURL, |
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reverse('astakos.im.views.target.google.authenticated'))
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@requires_auth_provider('google') |
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@require_http_methods(["GET", "POST"]) |
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def login(request): |
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init_third_party_session(request) |
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params = { |
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'scope': token_scope,
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'response_type': 'code', |
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'redirect_uri': get_redirect_uri(),
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'client_id': settings.GOOGLE_CLIENT_ID
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} |
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force_login = request.GET.get('force_login', request.GET.get('from_login', |
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True))
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if force_login:
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params['approval_prompt'] = 'force' |
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if request.GET.get('key', None): |
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request.session['pending_key'] = request.GET.get('key') |
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if request.GET.get('next', None): |
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request.session['next_url'] = request.GET.get('next') |
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url = "%s?%s" % (authenticate_url, urllib.urlencode(params))
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return HttpResponseRedirect(url)
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@requires_auth_provider('google') |
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@require_http_methods(["GET", "POST"]) |
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@cookie_fix
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def authenticated( |
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request, |
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template='im/third_party_check_local.html',
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extra_context=None
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): |
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if extra_context is None: |
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extra_context = {} |
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if request.GET.get('error', None): |
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return HttpResponseRedirect(reverse('edit_profile')) |
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# TODO: Handle errors, e.g. error=access_denied
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try:
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consumer = oauth.Consumer(key=OAUTH_CONSUMER_KEY, |
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secret=OAUTH_CONSUMER_SECRET) |
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client = oauth.Client(consumer) |
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code = request.GET.get('code', None) |
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params = { |
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'code': code,
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'client_id': settings.GOOGLE_CLIENT_ID,
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'client_secret': settings.GOOGLE_SECRET,
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'redirect_uri': get_redirect_uri(),
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'grant_type': 'authorization_code' |
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} |
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get_token_url = "%s" % (request_token_url,)
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resp, content = client.request(get_token_url, "POST",
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body=urllib.urlencode(params)) |
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token = json.loads(content).get('access_token', None) |
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resp, content = client.request("%s?access_token=%s" %
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(access_token_url, token), "GET")
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access_token_data = json.loads(content) |
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except Exception: |
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messages.error(request, _('Invalid Google response. Please '
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'contact support'))
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return HttpResponseRedirect(reverse('edit_profile')) |
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if not access_token_data.get('user_id', None): |
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messages.error(request, _('Invalid Google response. Please contact '
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' support'))
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return HttpResponseRedirect(reverse('edit_profile')) |
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userid = access_token_data['user_id']
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provider_info = access_token_data |
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affiliation = 'Google.com'
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try:
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return handle_third_party_login(request, 'google', userid, |
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provider_info, affiliation) |
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except AstakosUser.DoesNotExist:
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third_party_key = get_pending_key(request) |
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user_info = {'affiliation': affiliation}
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return handle_third_party_signup(request, userid, 'google', |
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third_party_key, |
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provider_info, |
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user_info, |
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template, |
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extra_context) |