root / snf-astakos-app / astakos / im / target / google.py @ 9f2d1323
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1 | 74796dd8 | Kostas Papadimitriou | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 74796dd8 | Kostas Papadimitriou | #
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3 | 74796dd8 | Kostas Papadimitriou | # Redistribution and use in source and binary forms, with or
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4 | 74796dd8 | Kostas Papadimitriou | # without modification, are permitted provided that the following
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5 | 74796dd8 | Kostas Papadimitriou | # conditions are met:
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6 | 74796dd8 | Kostas Papadimitriou | #
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7 | 74796dd8 | Kostas Papadimitriou | # 1. Redistributions of source code must retain the above
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8 | 74796dd8 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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9 | 74796dd8 | Kostas Papadimitriou | # disclaimer.
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10 | 74796dd8 | Kostas Papadimitriou | #
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11 | 74796dd8 | Kostas Papadimitriou | # 2. Redistributions in binary form must reproduce the above
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12 | 74796dd8 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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13 | 74796dd8 | Kostas Papadimitriou | # disclaimer in the documentation and/or other materials
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14 | 74796dd8 | Kostas Papadimitriou | # provided with the distribution.
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15 | 74796dd8 | Kostas Papadimitriou | #
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16 | 74796dd8 | Kostas Papadimitriou | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 74796dd8 | Kostas Papadimitriou | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 74796dd8 | Kostas Papadimitriou | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 74796dd8 | Kostas Papadimitriou | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 74796dd8 | Kostas Papadimitriou | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 74796dd8 | Kostas Papadimitriou | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 74796dd8 | Kostas Papadimitriou | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 74796dd8 | Kostas Papadimitriou | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 74796dd8 | Kostas Papadimitriou | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 74796dd8 | Kostas Papadimitriou | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 74796dd8 | Kostas Papadimitriou | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 74796dd8 | Kostas Papadimitriou | # POSSIBILITY OF SUCH DAMAGE.
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28 | 74796dd8 | Kostas Papadimitriou | #
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29 | 74796dd8 | Kostas Papadimitriou | # The views and conclusions contained in the software and
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30 | 74796dd8 | Kostas Papadimitriou | # documentation are those of the authors and should not be
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31 | 74796dd8 | Kostas Papadimitriou | # interpreted as representing official policies, either expressed
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32 | 74796dd8 | Kostas Papadimitriou | # or implied, of GRNET S.A.
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33 | 74796dd8 | Kostas Papadimitriou | |
34 | 74796dd8 | Kostas Papadimitriou | import json |
35 | 74796dd8 | Kostas Papadimitriou | |
36 | 74796dd8 | Kostas Papadimitriou | from django.http import HttpResponseBadRequest |
37 | 74796dd8 | Kostas Papadimitriou | from django.utils.translation import ugettext as _ |
38 | 74796dd8 | Kostas Papadimitriou | from django.contrib import messages |
39 | 74796dd8 | Kostas Papadimitriou | from django.template import RequestContext |
40 | 74796dd8 | Kostas Papadimitriou | from django.views.decorators.http import require_http_methods |
41 | 74796dd8 | Kostas Papadimitriou | from django.http import HttpResponseRedirect |
42 | 74796dd8 | Kostas Papadimitriou | from django.core.urlresolvers import reverse |
43 | 74796dd8 | Kostas Papadimitriou | from django.core.exceptions import ImproperlyConfigured |
44 | 74796dd8 | Kostas Papadimitriou | from django.shortcuts import get_object_or_404 |
45 | 74796dd8 | Kostas Papadimitriou | |
46 | 74796dd8 | Kostas Papadimitriou | from urlparse import urlunsplit, urlsplit |
47 | 74796dd8 | Kostas Papadimitriou | |
48 | dd5f8f4d | Kostas Papadimitriou | from astakos.im.util import prepare_response, get_context, login_url |
49 | 74796dd8 | Kostas Papadimitriou | from astakos.im.views import requires_anonymous, render_response, \ |
50 | 74796dd8 | Kostas Papadimitriou | requires_auth_provider
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51 | 74796dd8 | Kostas Papadimitriou | from astakos.im.settings import ENABLE_LOCAL_ACCOUNT_MIGRATION, BASEURL |
52 | 74796dd8 | Kostas Papadimitriou | from astakos.im.models import AstakosUser, PendingThirdPartyUser |
53 | 74796dd8 | Kostas Papadimitriou | from astakos.im.forms import LoginForm |
54 | 74796dd8 | Kostas Papadimitriou | from astakos.im.activation_backends import get_backend, SimpleBackend |
55 | 74796dd8 | Kostas Papadimitriou | from astakos.im import settings |
56 | 74796dd8 | Kostas Papadimitriou | from astakos.im import auth_providers |
57 | dd5f8f4d | Kostas Papadimitriou | from astakos.im.target import add_pending_auth_provider, get_pending_key, \ |
58 | dd5f8f4d | Kostas Papadimitriou | handle_third_party_signup
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59 | 74796dd8 | Kostas Papadimitriou | |
60 | 74796dd8 | Kostas Papadimitriou | import logging |
61 | 74796dd8 | Kostas Papadimitriou | import time |
62 | 74796dd8 | Kostas Papadimitriou | import astakos.im.messages as astakos_messages |
63 | 74796dd8 | Kostas Papadimitriou | import urlparse |
64 | 74796dd8 | Kostas Papadimitriou | import urllib |
65 | 74796dd8 | Kostas Papadimitriou | |
66 | 74796dd8 | Kostas Papadimitriou | logger = logging.getLogger(__name__) |
67 | 74796dd8 | Kostas Papadimitriou | |
68 | 74796dd8 | Kostas Papadimitriou | import oauth2 as oauth |
69 | 74796dd8 | Kostas Papadimitriou | import cgi |
70 | 74796dd8 | Kostas Papadimitriou | |
71 | 74796dd8 | Kostas Papadimitriou | signature_method = oauth.SignatureMethod_HMAC_SHA1() |
72 | 74796dd8 | Kostas Papadimitriou | |
73 | 74796dd8 | Kostas Papadimitriou | OAUTH_CONSUMER_KEY = settings.GOOGLE_CLIENT_ID |
74 | 74796dd8 | Kostas Papadimitriou | OAUTH_CONSUMER_SECRET = settings.GOOGLE_SECRET |
75 | 74796dd8 | Kostas Papadimitriou | |
76 | 74796dd8 | Kostas Papadimitriou | consumer = oauth.Consumer(key=OAUTH_CONSUMER_KEY, secret=OAUTH_CONSUMER_SECRET) |
77 | 74796dd8 | Kostas Papadimitriou | client = oauth.Client(consumer) |
78 | 74796dd8 | Kostas Papadimitriou | |
79 | 74796dd8 | Kostas Papadimitriou | token_scope = 'https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/userinfo.email'
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80 | 74796dd8 | Kostas Papadimitriou | authenticate_url = 'https://accounts.google.com/o/oauth2/auth'
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81 | 74796dd8 | Kostas Papadimitriou | access_token_url = 'https://www.googleapis.com/oauth2/v1/tokeninfo'
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82 | 74796dd8 | Kostas Papadimitriou | request_token_url = 'https://accounts.google.com/o/oauth2/token'
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83 | 74796dd8 | Kostas Papadimitriou | |
84 | 74796dd8 | Kostas Papadimitriou | |
85 | 74796dd8 | Kostas Papadimitriou | def get_redirect_uri(): |
86 | 74796dd8 | Kostas Papadimitriou | return "%s%s" % (settings.BASEURL, |
87 | 74796dd8 | Kostas Papadimitriou | reverse('astakos.im.target.google.authenticated'))
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88 | 74796dd8 | Kostas Papadimitriou | |
89 | 74796dd8 | Kostas Papadimitriou | @requires_auth_provider('google', login=True) |
90 | 74796dd8 | Kostas Papadimitriou | @require_http_methods(["GET", "POST"]) |
91 | 74796dd8 | Kostas Papadimitriou | def login(request): |
92 | 74796dd8 | Kostas Papadimitriou | params = { |
93 | 74796dd8 | Kostas Papadimitriou | 'scope': token_scope,
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94 | 74796dd8 | Kostas Papadimitriou | 'response_type': 'code', |
95 | 74796dd8 | Kostas Papadimitriou | 'redirect_uri': get_redirect_uri(),
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96 | 74796dd8 | Kostas Papadimitriou | 'client_id': settings.GOOGLE_CLIENT_ID
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97 | 74796dd8 | Kostas Papadimitriou | } |
98 | e339bd10 | Kostas Papadimitriou | force_login = request.GET.get('force_login', False) |
99 | e339bd10 | Kostas Papadimitriou | if force_login:
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100 | e339bd10 | Kostas Papadimitriou | params['approval_prompt'] = 'force' |
101 | e339bd10 | Kostas Papadimitriou | |
102 | dd5f8f4d | Kostas Papadimitriou | if request.GET.get('key', None): |
103 | dd5f8f4d | Kostas Papadimitriou | request.session['pending_key'] = request.GET.get('key') |
104 | dd5f8f4d | Kostas Papadimitriou | |
105 | 74796dd8 | Kostas Papadimitriou | url = "%s?%s" % (authenticate_url, urllib.urlencode(params))
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106 | 74796dd8 | Kostas Papadimitriou | return HttpResponseRedirect(url)
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107 | 74796dd8 | Kostas Papadimitriou | |
108 | 74796dd8 | Kostas Papadimitriou | |
109 | 74796dd8 | Kostas Papadimitriou | @requires_auth_provider('google', login=True) |
110 | 74796dd8 | Kostas Papadimitriou | @require_http_methods(["GET", "POST"]) |
111 | 74796dd8 | Kostas Papadimitriou | def authenticated( |
112 | 74796dd8 | Kostas Papadimitriou | request, |
113 | 74796dd8 | Kostas Papadimitriou | template='im/third_party_check_local.html',
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114 | 74796dd8 | Kostas Papadimitriou | extra_context={} |
115 | 74796dd8 | Kostas Papadimitriou | ): |
116 | 74796dd8 | Kostas Papadimitriou | |
117 | e339bd10 | Kostas Papadimitriou | if request.GET.get('error', None): |
118 | e339bd10 | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
119 | e339bd10 | Kostas Papadimitriou | |
120 | 74796dd8 | Kostas Papadimitriou | # TODO: Handle errors, e.g. error=access_denied
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121 | 74796dd8 | Kostas Papadimitriou | try:
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122 | 74796dd8 | Kostas Papadimitriou | code = request.GET.get('code', None) |
123 | 74796dd8 | Kostas Papadimitriou | params = { |
124 | 74796dd8 | Kostas Papadimitriou | 'code': code,
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125 | 74796dd8 | Kostas Papadimitriou | 'client_id': settings.GOOGLE_CLIENT_ID,
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126 | 74796dd8 | Kostas Papadimitriou | 'client_secret': settings.GOOGLE_SECRET,
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127 | 74796dd8 | Kostas Papadimitriou | 'redirect_uri': get_redirect_uri(),
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128 | 74796dd8 | Kostas Papadimitriou | 'grant_type': 'authorization_code' |
129 | 74796dd8 | Kostas Papadimitriou | } |
130 | 74796dd8 | Kostas Papadimitriou | get_token_url = "%s" % (request_token_url,)
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131 | 74796dd8 | Kostas Papadimitriou | resp, content = client.request(get_token_url, "POST",
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132 | 74796dd8 | Kostas Papadimitriou | body=urllib.urlencode(params)) |
133 | 74796dd8 | Kostas Papadimitriou | token = json.loads(content).get('access_token', None) |
134 | 74796dd8 | Kostas Papadimitriou | |
135 | 74796dd8 | Kostas Papadimitriou | resp, content = client.request("%s?access_token=%s" % (access_token_url,
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136 | 74796dd8 | Kostas Papadimitriou | token) , "GET")
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137 | 74796dd8 | Kostas Papadimitriou | access_token_data = json.loads(content) |
138 | 74796dd8 | Kostas Papadimitriou | except Exception, e: |
139 | 74796dd8 | Kostas Papadimitriou | messages.error(request, 'Invalid Google response. Please contact support')
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140 | 9f12cd1c | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
141 | 9f12cd1c | Kostas Papadimitriou | |
142 | 9f12cd1c | Kostas Papadimitriou | if not access_token_data.get('user_id', None): |
143 | 9f12cd1c | Kostas Papadimitriou | messages.error(request, 'Invalid Google response. Please contact support')
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144 | 74796dd8 | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
145 | 74796dd8 | Kostas Papadimitriou | |
146 | 74796dd8 | Kostas Papadimitriou | userid = access_token_data['user_id']
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147 | 74796dd8 | Kostas Papadimitriou | username = access_token_data.get('email', None) |
148 | 74796dd8 | Kostas Papadimitriou | provider_info = access_token_data |
149 | 74796dd8 | Kostas Papadimitriou | affiliation = 'Google.com'
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150 | 74796dd8 | Kostas Papadimitriou | |
151 | dd5f8f4d | Kostas Papadimitriou | third_party_key = get_pending_key(request) |
152 | dd5f8f4d | Kostas Papadimitriou | |
153 | 74796dd8 | Kostas Papadimitriou | # an existing user accessed the view
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154 | 74796dd8 | Kostas Papadimitriou | if request.user.is_authenticated():
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155 | 74796dd8 | Kostas Papadimitriou | if request.user.has_auth_provider('google', identifier=userid): |
156 | 74796dd8 | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
157 | 74796dd8 | Kostas Papadimitriou | |
158 | 74796dd8 | Kostas Papadimitriou | # automatically add eppn provider to user
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159 | 74796dd8 | Kostas Papadimitriou | user = request.user |
160 | 74796dd8 | Kostas Papadimitriou | if not request.user.can_add_auth_provider('google', |
161 | 74796dd8 | Kostas Papadimitriou | identifier=userid): |
162 | 91bbc1a4 | Kostas Papadimitriou | # TODO: handle existing uuid message separately
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163 | 74796dd8 | Kostas Papadimitriou | messages.error(request, _(astakos_messages.AUTH_PROVIDER_ADD_FAILED) + |
164 | 74796dd8 | Kostas Papadimitriou | u' ' + _(astakos_messages.AUTH_PROVIDER_ADD_EXISTS))
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165 | 74796dd8 | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
166 | 74796dd8 | Kostas Papadimitriou | |
167 | 74796dd8 | Kostas Papadimitriou | user.add_auth_provider('google', identifier=userid,
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168 | 74796dd8 | Kostas Papadimitriou | affiliation=affiliation, |
169 | 74796dd8 | Kostas Papadimitriou | provider_info=provider_info) |
170 | 74796dd8 | Kostas Papadimitriou | messages.success(request, astakos_messages.AUTH_PROVIDER_ADDED) |
171 | 74796dd8 | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
172 | 74796dd8 | Kostas Papadimitriou | |
173 | 74796dd8 | Kostas Papadimitriou | try:
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174 | 74796dd8 | Kostas Papadimitriou | # astakos user exists ?
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175 | 74796dd8 | Kostas Papadimitriou | user = AstakosUser.objects.get_auth_provider_user( |
176 | 74796dd8 | Kostas Papadimitriou | 'google',
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177 | 74796dd8 | Kostas Papadimitriou | identifier=userid |
178 | 74796dd8 | Kostas Papadimitriou | ) |
179 | 74796dd8 | Kostas Papadimitriou | if user.is_active:
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180 | 74796dd8 | Kostas Papadimitriou | # authenticate user
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181 | 74796dd8 | Kostas Papadimitriou | response = prepare_response(request, |
182 | 74796dd8 | Kostas Papadimitriou | user, |
183 | 74796dd8 | Kostas Papadimitriou | request.GET.get('next'),
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184 | 74796dd8 | Kostas Papadimitriou | 'renew' in request.GET) |
185 | 564a2292 | Kostas Papadimitriou | |
186 | 564a2292 | Kostas Papadimitriou | provider = auth_providers.get_provider('google')
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187 | 564a2292 | Kostas Papadimitriou | messages.success(request, _(astakos_messages.LOGIN_SUCCESS) % |
188 | 564a2292 | Kostas Papadimitriou | _(provider.get_login_message_display)) |
189 | dd5f8f4d | Kostas Papadimitriou | add_pending_auth_provider(request, third_party_key) |
190 | 74796dd8 | Kostas Papadimitriou | response.set_cookie('astakos_last_login_method', 'google') |
191 | 74796dd8 | Kostas Papadimitriou | return response
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192 | 74796dd8 | Kostas Papadimitriou | else:
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193 | 74796dd8 | Kostas Papadimitriou | message = user.get_inactive_message() |
194 | 74796dd8 | Kostas Papadimitriou | messages.error(request, message) |
195 | dd5f8f4d | Kostas Papadimitriou | return HttpResponseRedirect(login_url(request))
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196 | 74796dd8 | Kostas Papadimitriou | |
197 | 74796dd8 | Kostas Papadimitriou | except AstakosUser.DoesNotExist, e:
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198 | dd5f8f4d | Kostas Papadimitriou | user_info = {'affiliation': affiliation}
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199 | dd5f8f4d | Kostas Papadimitriou | return handle_third_party_signup(request, userid, 'google', |
200 | dd5f8f4d | Kostas Papadimitriou | third_party_key, |
201 | dd5f8f4d | Kostas Papadimitriou | provider_info, |
202 | dd5f8f4d | Kostas Papadimitriou | user_info, |
203 | dd5f8f4d | Kostas Papadimitriou | template, |
204 | dd5f8f4d | Kostas Papadimitriou | extra_context) |