root / snf-astakos-app / astakos / im / views / target / google.py @ a3e3917f
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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 | 3c5a2b21 | Kostas Papadimitriou | import logging |
36 | 3c5a2b21 | Kostas Papadimitriou | import urllib |
37 | 3c5a2b21 | Kostas Papadimitriou | import oauth2 as oauth |
38 | 74796dd8 | Kostas Papadimitriou | |
39 | 74796dd8 | Kostas Papadimitriou | from django.utils.translation import ugettext as _ |
40 | 74796dd8 | Kostas Papadimitriou | from django.contrib import messages |
41 | 74796dd8 | Kostas Papadimitriou | from django.views.decorators.http import require_http_methods |
42 | 74796dd8 | Kostas Papadimitriou | from django.http import HttpResponseRedirect |
43 | 74796dd8 | Kostas Papadimitriou | from django.core.urlresolvers import reverse |
44 | 3c5a2b21 | Kostas Papadimitriou | from django.conf import settings as django_settings |
45 | 74796dd8 | Kostas Papadimitriou | |
46 | 3e0a032d | Sofia Papagiannaki | from astakos.im.models import AstakosUser |
47 | 74796dd8 | Kostas Papadimitriou | from astakos.im import settings |
48 | 3e0a032d | Sofia Papagiannaki | from astakos.im.views.target import get_pending_key, \ |
49 | 3c5a2b21 | Kostas Papadimitriou | handle_third_party_signup, handle_third_party_login, \ |
50 | 3c5a2b21 | Kostas Papadimitriou | init_third_party_session
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51 | 3e0a032d | Sofia Papagiannaki | from astakos.im.views.decorators import cookie_fix, requires_auth_provider |
52 | 74796dd8 | Kostas Papadimitriou | |
53 | 74796dd8 | Kostas Papadimitriou | logger = logging.getLogger(__name__) |
54 | 74796dd8 | Kostas Papadimitriou | signature_method = oauth.SignatureMethod_HMAC_SHA1() |
55 | 74796dd8 | Kostas Papadimitriou | |
56 | 74796dd8 | Kostas Papadimitriou | OAUTH_CONSUMER_KEY = settings.GOOGLE_CLIENT_ID |
57 | 74796dd8 | Kostas Papadimitriou | OAUTH_CONSUMER_SECRET = settings.GOOGLE_SECRET |
58 | 74796dd8 | Kostas Papadimitriou | |
59 | 3c5a2b21 | Kostas Papadimitriou | |
60 | 3c5a2b21 | Kostas Papadimitriou | def django_setting(key, default): |
61 | 3c5a2b21 | Kostas Papadimitriou | return getattr(django_settings, 'GOOGLE_%s' % key.upper, default) |
62 | 3c5a2b21 | Kostas Papadimitriou | |
63 | 3c5a2b21 | Kostas Papadimitriou | default_token_scopes = ['https://www.googleapis.com/auth/userinfo.profile',
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64 | 3c5a2b21 | Kostas Papadimitriou | 'https://www.googleapis.com/auth/userinfo.email']
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65 | 3c5a2b21 | Kostas Papadimitriou | |
66 | 3c5a2b21 | Kostas Papadimitriou | token_scope = django_setting('token_scope', ' '.join(default_token_scopes)) |
67 | 3c5a2b21 | Kostas Papadimitriou | authenticate_url = django_setting( |
68 | 3c5a2b21 | Kostas Papadimitriou | 'authenticate_url',
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69 | 3c5a2b21 | Kostas Papadimitriou | 'https://accounts.google.com/o/oauth2/auth')
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70 | 3c5a2b21 | Kostas Papadimitriou | access_token_url = django_setting( |
71 | 3c5a2b21 | Kostas Papadimitriou | 'access_token_url',
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72 | 3c5a2b21 | Kostas Papadimitriou | 'https://www.googleapis.com/oauth2/v1/tokeninfo')
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73 | 3c5a2b21 | Kostas Papadimitriou | request_token_url = django_setting( |
74 | 3c5a2b21 | Kostas Papadimitriou | 'request_token_url',
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75 | 3c5a2b21 | Kostas Papadimitriou | 'https://accounts.google.com/o/oauth2/token')
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76 | 74796dd8 | Kostas Papadimitriou | |
77 | 74796dd8 | Kostas Papadimitriou | |
78 | 74796dd8 | Kostas Papadimitriou | def get_redirect_uri(): |
79 | 8c8e318d | Kostas Papadimitriou | return "%s%s" % (settings.BASE_HOST, |
80 | 70e11eaa | Sofia Papagiannaki | reverse('astakos.im.views.target.google.authenticated'))
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81 | 9d20fe23 | Kostas Papadimitriou | |
82 | 74796dd8 | Kostas Papadimitriou | |
83 | 9d20fe23 | Kostas Papadimitriou | @requires_auth_provider('google') |
84 | 74796dd8 | Kostas Papadimitriou | @require_http_methods(["GET", "POST"]) |
85 | 74796dd8 | Kostas Papadimitriou | def login(request): |
86 | 0e79735c | Kostas Papadimitriou | init_third_party_session(request) |
87 | 74796dd8 | Kostas Papadimitriou | params = { |
88 | 74796dd8 | Kostas Papadimitriou | 'scope': token_scope,
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89 | 74796dd8 | Kostas Papadimitriou | 'response_type': 'code', |
90 | 74796dd8 | Kostas Papadimitriou | 'redirect_uri': get_redirect_uri(),
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91 | 74796dd8 | Kostas Papadimitriou | 'client_id': settings.GOOGLE_CLIENT_ID
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92 | 74796dd8 | Kostas Papadimitriou | } |
93 | 9d20fe23 | Kostas Papadimitriou | force_login = request.GET.get('force_login', request.GET.get('from_login', |
94 | 9d20fe23 | Kostas Papadimitriou | True))
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95 | e339bd10 | Kostas Papadimitriou | if force_login:
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96 | e339bd10 | Kostas Papadimitriou | params['approval_prompt'] = 'force' |
97 | e339bd10 | Kostas Papadimitriou | |
98 | dd5f8f4d | Kostas Papadimitriou | if request.GET.get('key', None): |
99 | dd5f8f4d | Kostas Papadimitriou | request.session['pending_key'] = request.GET.get('key') |
100 | dd5f8f4d | Kostas Papadimitriou | |
101 | 64492c49 | Kostas Papadimitriou | if request.GET.get('next', None): |
102 | 64492c49 | Kostas Papadimitriou | request.session['next_url'] = request.GET.get('next') |
103 | 64492c49 | Kostas Papadimitriou | |
104 | 74796dd8 | Kostas Papadimitriou | url = "%s?%s" % (authenticate_url, urllib.urlencode(params))
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105 | 74796dd8 | Kostas Papadimitriou | return HttpResponseRedirect(url)
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106 | 74796dd8 | Kostas Papadimitriou | |
107 | 74796dd8 | Kostas Papadimitriou | |
108 | 9d20fe23 | Kostas Papadimitriou | @requires_auth_provider('google') |
109 | 74796dd8 | Kostas Papadimitriou | @require_http_methods(["GET", "POST"]) |
110 | 222305b7 | Sofia Papagiannaki | @cookie_fix
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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 | 7beef200 | Kostas Papadimitriou | extra_context=None
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115 | 74796dd8 | Kostas Papadimitriou | ): |
116 | 74796dd8 | Kostas Papadimitriou | |
117 | 7beef200 | Kostas Papadimitriou | if extra_context is None: |
118 | 7beef200 | Kostas Papadimitriou | extra_context = {} |
119 | 7beef200 | Kostas Papadimitriou | |
120 | e339bd10 | Kostas Papadimitriou | if request.GET.get('error', None): |
121 | e339bd10 | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
122 | e339bd10 | Kostas Papadimitriou | |
123 | 74796dd8 | Kostas Papadimitriou | # TODO: Handle errors, e.g. error=access_denied
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124 | 74796dd8 | Kostas Papadimitriou | try:
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125 | 9d20fe23 | Kostas Papadimitriou | consumer = oauth.Consumer(key=OAUTH_CONSUMER_KEY, |
126 | 9d20fe23 | Kostas Papadimitriou | secret=OAUTH_CONSUMER_SECRET) |
127 | 9d20fe23 | Kostas Papadimitriou | client = oauth.Client(consumer) |
128 | 9d20fe23 | Kostas Papadimitriou | |
129 | 74796dd8 | Kostas Papadimitriou | code = request.GET.get('code', None) |
130 | 74796dd8 | Kostas Papadimitriou | params = { |
131 | 74796dd8 | Kostas Papadimitriou | 'code': code,
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132 | 74796dd8 | Kostas Papadimitriou | 'client_id': settings.GOOGLE_CLIENT_ID,
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133 | 74796dd8 | Kostas Papadimitriou | 'client_secret': settings.GOOGLE_SECRET,
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134 | 74796dd8 | Kostas Papadimitriou | 'redirect_uri': get_redirect_uri(),
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135 | 74796dd8 | Kostas Papadimitriou | 'grant_type': 'authorization_code' |
136 | 74796dd8 | Kostas Papadimitriou | } |
137 | 74796dd8 | Kostas Papadimitriou | get_token_url = "%s" % (request_token_url,)
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138 | 74796dd8 | Kostas Papadimitriou | resp, content = client.request(get_token_url, "POST",
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139 | 74796dd8 | Kostas Papadimitriou | body=urllib.urlencode(params)) |
140 | 74796dd8 | Kostas Papadimitriou | token = json.loads(content).get('access_token', None) |
141 | 74796dd8 | Kostas Papadimitriou | |
142 | 9d20fe23 | Kostas Papadimitriou | resp, content = client.request("%s?access_token=%s" %
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143 | 9d20fe23 | Kostas Papadimitriou | (access_token_url, token), "GET")
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144 | 74796dd8 | Kostas Papadimitriou | access_token_data = json.loads(content) |
145 | 9d20fe23 | Kostas Papadimitriou | except Exception: |
146 | 9d20fe23 | Kostas Papadimitriou | messages.error(request, _('Invalid Google response. Please '
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147 | 9d20fe23 | Kostas Papadimitriou | 'contact support'))
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148 | 9f12cd1c | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
149 | 9f12cd1c | Kostas Papadimitriou | |
150 | 9f12cd1c | Kostas Papadimitriou | if not access_token_data.get('user_id', None): |
151 | 9d20fe23 | Kostas Papadimitriou | messages.error(request, _('Invalid Google response. Please contact '
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152 | 9d20fe23 | Kostas Papadimitriou | ' support'))
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153 | 74796dd8 | Kostas Papadimitriou | return HttpResponseRedirect(reverse('edit_profile')) |
154 | 74796dd8 | Kostas Papadimitriou | |
155 | 74796dd8 | Kostas Papadimitriou | userid = access_token_data['user_id']
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156 | 74796dd8 | Kostas Papadimitriou | provider_info = access_token_data |
157 | 74796dd8 | Kostas Papadimitriou | affiliation = 'Google.com'
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158 | 74796dd8 | Kostas Papadimitriou | |
159 | 74796dd8 | Kostas Papadimitriou | try:
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160 | c8d89a3c | Kostas Papadimitriou | return handle_third_party_login(request, 'google', userid, |
161 | c8d89a3c | Kostas Papadimitriou | provider_info, affiliation) |
162 | 9d20fe23 | Kostas Papadimitriou | except AstakosUser.DoesNotExist:
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163 | c8d89a3c | Kostas Papadimitriou | third_party_key = get_pending_key(request) |
164 | dd5f8f4d | Kostas Papadimitriou | user_info = {'affiliation': affiliation}
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165 | dd5f8f4d | Kostas Papadimitriou | return handle_third_party_signup(request, userid, 'google', |
166 | dd5f8f4d | Kostas Papadimitriou | third_party_key, |
167 | dd5f8f4d | Kostas Papadimitriou | provider_info, |
168 | dd5f8f4d | Kostas Papadimitriou | user_info, |
169 | dd5f8f4d | Kostas Papadimitriou | template, |
170 | dd5f8f4d | Kostas Papadimitriou | extra_context) |