root / snf-astakos-app / astakos / im / util.py @ 428c4e0a
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1 | aba1e498 | Antony Chazapis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 5ce3ce4f | Sofia Papagiannaki | #
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3 | 64cd4730 | Antony Chazapis | # Redistribution and use in source and binary forms, with or
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4 | 64cd4730 | Antony Chazapis | # without modification, are permitted provided that the following
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5 | 64cd4730 | Antony Chazapis | # conditions are met:
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6 | 5ce3ce4f | Sofia Papagiannaki | #
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7 | 64cd4730 | Antony Chazapis | # 1. Redistributions of source code must retain the above
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8 | 64cd4730 | Antony Chazapis | # copyright notice, this list of conditions and the following
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9 | 64cd4730 | Antony Chazapis | # disclaimer.
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10 | 5ce3ce4f | Sofia Papagiannaki | #
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11 | 64cd4730 | Antony Chazapis | # 2. Redistributions in binary form must reproduce the above
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12 | 64cd4730 | Antony Chazapis | # copyright notice, this list of conditions and the following
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13 | 64cd4730 | Antony Chazapis | # disclaimer in the documentation and/or other materials
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14 | 64cd4730 | Antony Chazapis | # provided with the distribution.
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15 | 5ce3ce4f | Sofia Papagiannaki | #
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16 | 64cd4730 | Antony Chazapis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 64cd4730 | Antony Chazapis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 64cd4730 | Antony Chazapis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 64cd4730 | Antony Chazapis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 64cd4730 | Antony Chazapis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 64cd4730 | Antony Chazapis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 64cd4730 | Antony Chazapis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 64cd4730 | Antony Chazapis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 64cd4730 | Antony Chazapis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 64cd4730 | Antony Chazapis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 64cd4730 | Antony Chazapis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 64cd4730 | Antony Chazapis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 5ce3ce4f | Sofia Papagiannaki | #
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29 | 64cd4730 | Antony Chazapis | # The views and conclusions contained in the software and
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30 | 64cd4730 | Antony Chazapis | # documentation are those of the authors and should not be
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31 | 64cd4730 | Antony Chazapis | # interpreted as representing official policies, either expressed
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32 | 64cd4730 | Antony Chazapis | # or implied, of GRNET S.A.
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33 | 64cd4730 | Antony Chazapis | |
34 | 0905ccd2 | Sofia Papagiannaki | import logging |
35 | 63ecdd20 | Sofia Papagiannaki | import datetime |
36 | 18ffbee1 | Sofia Papagiannaki | import time |
37 | 6936103e | Kostas Papadimitriou | import urllib |
38 | 63ecdd20 | Sofia Papagiannaki | |
39 | c0b26605 | Sofia Papagiannaki | from urlparse import urlparse |
40 | 64cd4730 | Antony Chazapis | from datetime import tzinfo, timedelta |
41 | c0b26605 | Sofia Papagiannaki | |
42 | 440f7c0c | Kostas Papadimitriou | from django.http import HttpResponse, HttpResponseBadRequest, urlencode, \ |
43 | 440f7c0c | Kostas Papadimitriou | HttpResponseRedirect
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44 | 0905ccd2 | Sofia Papagiannaki | from django.template import RequestContext |
45 | 111f3da6 | Sofia Papagiannaki | from django.contrib.auth import authenticate |
46 | 63ecdd20 | Sofia Papagiannaki | from django.core.urlresolvers import reverse |
47 | 440f7c0c | Kostas Papadimitriou | from django.shortcuts import redirect |
48 | 9a06d96f | Olga Brani | from django.core.exceptions import ValidationError, ObjectDoesNotExist |
49 | ae497612 | Olga Brani | from django.utils.translation import ugettext as _ |
50 | 440f7c0c | Kostas Papadimitriou | from django.core.urlresolvers import reverse |
51 | ae497612 | Olga Brani | |
52 | aab4d540 | Sofia Papagiannaki | from astakos.im.models import AstakosUser, Invitation |
53 | 111f3da6 | Sofia Papagiannaki | from astakos.im.functions import login |
54 | 0a7a4104 | Kostas Papadimitriou | from astakos.im import settings |
55 | 64cd4730 | Antony Chazapis | |
56 | ae497612 | Olga Brani | import astakos.im.messages as astakos_messages |
57 | ae497612 | Olga Brani | |
58 | e015e9e6 | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
59 | e015e9e6 | Sofia Papagiannaki | |
60 | 5ce3ce4f | Sofia Papagiannaki | |
61 | 64cd4730 | Antony Chazapis | class UTC(tzinfo): |
62 | aab4d540 | Sofia Papagiannaki | def utcoffset(self, dt): |
63 | aab4d540 | Sofia Papagiannaki | return timedelta(0) |
64 | 5ce3ce4f | Sofia Papagiannaki | |
65 | aab4d540 | Sofia Papagiannaki | def tzname(self, dt): |
66 | aab4d540 | Sofia Papagiannaki | return 'UTC' |
67 | 5ce3ce4f | Sofia Papagiannaki | |
68 | aab4d540 | Sofia Papagiannaki | def dst(self, dt): |
69 | aab4d540 | Sofia Papagiannaki | return timedelta(0) |
70 | 64cd4730 | Antony Chazapis | |
71 | 5ce3ce4f | Sofia Papagiannaki | |
72 | 64cd4730 | Antony Chazapis | def isoformat(d): |
73 | aab4d540 | Sofia Papagiannaki | """Return an ISO8601 date string that includes a timezone."""
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74 | 5ce3ce4f | Sofia Papagiannaki | |
75 | aab4d540 | Sofia Papagiannaki | return d.replace(tzinfo=UTC()).isoformat()
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76 | 0905ccd2 | Sofia Papagiannaki | |
77 | 5ce3ce4f | Sofia Papagiannaki | |
78 | 18ffbee1 | Sofia Papagiannaki | def epoch(datetime): |
79 | 5ce3ce4f | Sofia Papagiannaki | return int(time.mktime(datetime.timetuple()) * 1000) |
80 | 5ce3ce4f | Sofia Papagiannaki | |
81 | 18ffbee1 | Sofia Papagiannaki | |
82 | aab4d540 | Sofia Papagiannaki | def get_context(request, extra_context=None, **kwargs): |
83 | aab4d540 | Sofia Papagiannaki | extra_context = extra_context or {}
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84 | 0905ccd2 | Sofia Papagiannaki | extra_context.update(kwargs) |
85 | 0905ccd2 | Sofia Papagiannaki | return RequestContext(request, extra_context)
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86 | e2125441 | Sofia Papagiannaki | |
87 | 5ce3ce4f | Sofia Papagiannaki | |
88 | 15efc749 | Sofia Papagiannaki | def get_invitation(request): |
89 | 15efc749 | Sofia Papagiannaki | """
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90 | 15efc749 | Sofia Papagiannaki | Returns the invitation identified by the ``code``.
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91 | 5ce3ce4f | Sofia Papagiannaki |
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92 | 0a569195 | Sofia Papagiannaki | Raises ValueError if the invitation is consumed or there is another account
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93 | 0a569195 | Sofia Papagiannaki | associated with this email.
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94 | 15efc749 | Sofia Papagiannaki | """
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95 | 15efc749 | Sofia Papagiannaki | code = request.GET.get('code')
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96 | 15efc749 | Sofia Papagiannaki | if request.method == 'POST': |
97 | 15efc749 | Sofia Papagiannaki | code = request.POST.get('code')
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98 | 15efc749 | Sofia Papagiannaki | if not code: |
99 | 15efc749 | Sofia Papagiannaki | return
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100 | 5ce3ce4f | Sofia Papagiannaki | invitation = Invitation.objects.get(code=code) |
101 | 15efc749 | Sofia Papagiannaki | if invitation.is_consumed:
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102 | ae497612 | Olga Brani | raise ValueError(_(astakos_messages.INVITATION_CONSUMED_ERR)) |
103 | 0a569195 | Sofia Papagiannaki | if reserved_email(invitation.username):
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104 | ae497612 | Olga Brani | email = invitation.username |
105 | c0b26605 | Sofia Papagiannaki | raise ValueError(_(astakos_messages.EMAIL_RESERVED) % locals()) |
106 | 63ecdd20 | Sofia Papagiannaki | return invitation
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107 | 63ecdd20 | Sofia Papagiannaki | |
108 | 217994f8 | Sofia Papagiannaki | def restrict_next(url, domain=None, allowed_schemes=()): |
109 | 217994f8 | Sofia Papagiannaki | """
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110 | 217994f8 | Sofia Papagiannaki | Return url if having the supplied ``domain`` (if present) or one of the ``allowed_schemes``.
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111 | 217994f8 | Sofia Papagiannaki | Otherwise return None.
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112 | e5966bd9 | Kostas Papadimitriou |
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113 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('/im/feedback', '.okeanos.grnet.gr')
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114 | 217994f8 | Sofia Papagiannaki | /im/feedback
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115 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('pithos.okeanos.grnet.gr/im/feedback', '.okeanos.grnet.gr')
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116 | 55baa300 | Sofia Papagiannaki | //pithos.okeanos.grnet.gr/im/feedback
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117 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('https://pithos.okeanos.grnet.gr/im/feedback', '.okeanos.grnet.gr')
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118 | 217994f8 | Sofia Papagiannaki | https://pithos.okeanos.grnet.gr/im/feedback
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119 | 1e960db7 | Sofia Papagiannaki | >>> print restrict_next('pithos://127.0.0.1', '.okeanos.grnet.gr')
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120 | 217994f8 | Sofia Papagiannaki | None
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121 | 1e960db7 | Sofia Papagiannaki | >>> print restrict_next('pithos://127.0.0.1', '.okeanos.grnet.gr', allowed_schemes=('pithos'))
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122 | 217994f8 | Sofia Papagiannaki | pithos://127.0.0,1
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123 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('node1.example.com', '.okeanos.grnet.gr')
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124 | 217994f8 | Sofia Papagiannaki | None
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125 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('//node1.example.com', '.okeanos.grnet.gr')
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126 | 217994f8 | Sofia Papagiannaki | None
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127 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('https://node1.example.com', '.okeanos.grnet.gr')
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128 | 217994f8 | Sofia Papagiannaki | None
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129 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('https://node1.example.com')
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130 | 217994f8 | Sofia Papagiannaki | https://node1.example.com
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131 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('//node1.example.com')
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132 | 217994f8 | Sofia Papagiannaki | //node1.example.com
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133 | 217994f8 | Sofia Papagiannaki | >>> print restrict_next('node1.example.com')
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134 | 55baa300 | Sofia Papagiannaki | //node1.example.com
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135 | 217994f8 | Sofia Papagiannaki | """
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136 | 217994f8 | Sofia Papagiannaki | if not url: |
137 | 217994f8 | Sofia Papagiannaki | return
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138 | 217994f8 | Sofia Papagiannaki | parts = urlparse(url, scheme='http')
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139 | 55baa300 | Sofia Papagiannaki | if not parts.netloc and not parts.path.startswith('/'): |
140 | 217994f8 | Sofia Papagiannaki | # fix url if does not conforms RFC 1808
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141 | 217994f8 | Sofia Papagiannaki | url = '//%s' % url
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142 | 217994f8 | Sofia Papagiannaki | parts = urlparse(url, scheme='http')
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143 | 217994f8 | Sofia Papagiannaki | # TODO more scientific checks?
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144 | 217994f8 | Sofia Papagiannaki | if not parts.netloc: # internal url |
145 | 217994f8 | Sofia Papagiannaki | return url
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146 | 217994f8 | Sofia Papagiannaki | elif not domain: |
147 | 217994f8 | Sofia Papagiannaki | return url
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148 | 217994f8 | Sofia Papagiannaki | elif parts.netloc.endswith(domain):
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149 | 217994f8 | Sofia Papagiannaki | return url
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150 | 217994f8 | Sofia Papagiannaki | elif parts.scheme in allowed_schemes: |
151 | 217994f8 | Sofia Papagiannaki | return url
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152 | 5ce3ce4f | Sofia Papagiannaki | |
153 | 8fbf5367 | root | def prepare_response(request, user, next='', renew=False): |
154 | 63ecdd20 | Sofia Papagiannaki | """Return the unique username and the token
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155 | 63ecdd20 | Sofia Papagiannaki | as 'X-Auth-User' and 'X-Auth-Token' headers,
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156 | 63ecdd20 | Sofia Papagiannaki | or redirect to the URL provided in 'next'
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157 | 63ecdd20 | Sofia Papagiannaki | with the 'user' and 'token' as parameters.
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158 | 5ce3ce4f | Sofia Papagiannaki |
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159 | 63ecdd20 | Sofia Papagiannaki | Reissue the token even if it has not yet
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160 | 63ecdd20 | Sofia Papagiannaki | expired, if the 'renew' parameter is present
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161 | 63ecdd20 | Sofia Papagiannaki | or user has not a valid token.
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162 | 63ecdd20 | Sofia Papagiannaki | """
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163 | 63ecdd20 | Sofia Papagiannaki | renew = renew or (not user.auth_token) |
164 | 67920ea0 | Giorgos Korfiatis | renew = renew or user.token_expired()
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165 | 63ecdd20 | Sofia Papagiannaki | if renew:
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166 | bf0c6de5 | Sofia Papagiannaki | user.renew_token( |
167 | bf0c6de5 | Sofia Papagiannaki | flush_sessions=True,
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168 | bf0c6de5 | Sofia Papagiannaki | current_key=request.session.session_key |
169 | bf0c6de5 | Sofia Papagiannaki | ) |
170 | 27e26a41 | Sofia Papagiannaki | try:
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171 | 27e26a41 | Sofia Papagiannaki | user.save() |
172 | 27e26a41 | Sofia Papagiannaki | except ValidationError, e:
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173 | e5966bd9 | Kostas Papadimitriou | return HttpResponseBadRequest(e)
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174 | e5966bd9 | Kostas Papadimitriou | |
175 | 0a7a4104 | Kostas Papadimitriou | next = restrict_next(next, domain=settings.COOKIE_DOMAIN)
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176 | e5966bd9 | Kostas Papadimitriou | |
177 | 0a7a4104 | Kostas Papadimitriou | if settings.FORCE_PROFILE_UPDATE and \ |
178 | 0a7a4104 | Kostas Papadimitriou | not user.is_verified and not user.is_superuser: |
179 | 63ecdd20 | Sofia Papagiannaki | params = ''
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180 | 63ecdd20 | Sofia Papagiannaki | if next: |
181 | 63ecdd20 | Sofia Papagiannaki | params = '?' + urlencode({'next': next}) |
182 | 6ff7a7ca | Sofia Papagiannaki | next = reverse('edit_profile') + params
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183 | 5ce3ce4f | Sofia Papagiannaki | |
184 | 63ecdd20 | Sofia Papagiannaki | response = HttpResponse() |
185 | 5ce3ce4f | Sofia Papagiannaki | |
186 | 8fbf5367 | root | # authenticate before login
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187 | 8fbf5367 | root | user = authenticate(email=user.email, auth_token=user.auth_token) |
188 | 8fbf5367 | root | login(request, user) |
189 | b42b0987 | Sofia Papagiannaki | request.session.set_expiry(user.auth_token_expires) |
190 | 5ce3ce4f | Sofia Papagiannaki | |
191 | 63ecdd20 | Sofia Papagiannaki | if not next: |
192 | 0a7a4104 | Kostas Papadimitriou | next = settings.LOGIN_SUCCESS_URL |
193 | e5966bd9 | Kostas Papadimitriou | |
194 | 63ecdd20 | Sofia Papagiannaki | response['Location'] = next |
195 | 63ecdd20 | Sofia Papagiannaki | response.status_code = 302
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196 | 8fbf5367 | root | return response
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197 | c301698f | Sofia Papagiannaki | |
198 | 270dd48d | Sofia Papagiannaki | class lazy_string(object): |
199 | 270dd48d | Sofia Papagiannaki | def __init__(self, function, *args, **kwargs): |
200 | 5ce3ce4f | Sofia Papagiannaki | self.function = function
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201 | 5ce3ce4f | Sofia Papagiannaki | self.args = args
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202 | 5ce3ce4f | Sofia Papagiannaki | self.kwargs = kwargs
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203 | 5ce3ce4f | Sofia Papagiannaki | |
204 | 270dd48d | Sofia Papagiannaki | def __str__(self): |
205 | 270dd48d | Sofia Papagiannaki | if not hasattr(self, 'str'): |
206 | 5ce3ce4f | Sofia Papagiannaki | self.str = self.function(*self.args, **self.kwargs) |
207 | 270dd48d | Sofia Papagiannaki | return self.str |
208 | 270dd48d | Sofia Papagiannaki | |
209 | 5ce3ce4f | Sofia Papagiannaki | |
210 | 270dd48d | Sofia Papagiannaki | def reverse_lazy(*args, **kwargs): |
211 | 270dd48d | Sofia Papagiannaki | return lazy_string(reverse, *args, **kwargs)
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212 | 270dd48d | Sofia Papagiannaki | |
213 | 5ce3ce4f | Sofia Papagiannaki | |
214 | 0a569195 | Sofia Papagiannaki | def reserved_email(email): |
215 | e5966bd9 | Kostas Papadimitriou | return AstakosUser.objects.user_exists(email)
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216 | 5ce3ce4f | Sofia Papagiannaki | |
217 | 0a569195 | Sofia Papagiannaki | |
218 | 43332a76 | Kostas Papadimitriou | def reserved_verified_email(email): |
219 | 43332a76 | Kostas Papadimitriou | return AstakosUser.objects.verified_user_exists(email)
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220 | 43332a76 | Kostas Papadimitriou | |
221 | 43332a76 | Kostas Papadimitriou | |
222 | 0a569195 | Sofia Papagiannaki | def get_query(request): |
223 | f627a979 | Sofia Papagiannaki | try:
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224 | f627a979 | Sofia Papagiannaki | return request.__getattribute__(request.method)
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225 | f627a979 | Sofia Papagiannaki | except AttributeError: |
226 | 9a06d96f | Olga Brani | return {}
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227 | 9a06d96f | Olga Brani | |
228 | 9efcce2a | Sofia Papagiannaki | def get_properties(obj): |
229 | 2f732a9b | Sofia Papagiannaki | def get_class_attr(_class, attr): |
230 | 2f732a9b | Sofia Papagiannaki | try:
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231 | 2f732a9b | Sofia Papagiannaki | return getattr(_class, attr) |
232 | 2f732a9b | Sofia Papagiannaki | except AttributeError: |
233 | 2f732a9b | Sofia Papagiannaki | return
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234 | 64492c49 | Kostas Papadimitriou | |
235 | 9efcce2a | Sofia Papagiannaki | return (i for i in vars(obj.__class__) \ |
236 | 2f732a9b | Sofia Papagiannaki | if isinstance(get_class_attr(obj.__class__, i), property)) |
237 | 9a06d96f | Olga Brani | |
238 | 9a06d96f | Olga Brani | def model_to_dict(obj, exclude=['AutoField', 'ForeignKey', 'OneToOneField'], |
239 | 9a06d96f | Olga Brani | include_empty=True):
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240 | 9a06d96f | Olga Brani | '''
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241 | 9a06d96f | Olga Brani | serialize model object to dict with related objects
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242 | 9a06d96f | Olga Brani |
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243 | 9a06d96f | Olga Brani | author: Vadym Zakovinko <vp@zakovinko.com>
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244 | 9a06d96f | Olga Brani | date: January 31, 2011
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245 | 9a06d96f | Olga Brani | http://djangosnippets.org/snippets/2342/
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246 | 9a06d96f | Olga Brani | '''
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247 | 9a06d96f | Olga Brani | tree = {} |
248 | 9a06d96f | Olga Brani | for field_name in obj._meta.get_all_field_names(): |
249 | 9a06d96f | Olga Brani | try:
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250 | 9a06d96f | Olga Brani | field = getattr(obj, field_name)
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251 | 9a06d96f | Olga Brani | except (ObjectDoesNotExist, AttributeError): |
252 | 9a06d96f | Olga Brani | continue
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253 | 9a06d96f | Olga Brani | |
254 | 9a06d96f | Olga Brani | if field.__class__.__name__ in ['RelatedManager', 'ManyRelatedManager']: |
255 | 9a06d96f | Olga Brani | if field.model.__name__ in exclude: |
256 | 9a06d96f | Olga Brani | continue
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257 | 9a06d96f | Olga Brani | |
258 | 9a06d96f | Olga Brani | if field.__class__.__name__ == 'ManyRelatedManager': |
259 | 9a06d96f | Olga Brani | exclude.append(obj.__class__.__name__) |
260 | 9a06d96f | Olga Brani | subtree = [] |
261 | 9a06d96f | Olga Brani | for related_obj in getattr(obj, field_name).all(): |
262 | 9a06d96f | Olga Brani | value = model_to_dict(related_obj, exclude=exclude) |
263 | 9a06d96f | Olga Brani | if value or include_empty: |
264 | 9a06d96f | Olga Brani | subtree.append(value) |
265 | 9a06d96f | Olga Brani | if subtree or include_empty: |
266 | 9a06d96f | Olga Brani | tree[field_name] = subtree |
267 | 9a06d96f | Olga Brani | continue
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268 | 9a06d96f | Olga Brani | |
269 | 9a06d96f | Olga Brani | field = obj._meta.get_field_by_name(field_name)[0]
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270 | 9a06d96f | Olga Brani | if field.__class__.__name__ in exclude: |
271 | 9a06d96f | Olga Brani | continue
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272 | 9a06d96f | Olga Brani | |
273 | 9a06d96f | Olga Brani | if field.__class__.__name__ == 'RelatedObject': |
274 | 9a06d96f | Olga Brani | exclude.append(field.model.__name__) |
275 | 9a06d96f | Olga Brani | tree[field_name] = model_to_dict(getattr(obj, field_name),
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276 | 9a06d96f | Olga Brani | exclude=exclude) |
277 | 9a06d96f | Olga Brani | continue
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278 | 9a06d96f | Olga Brani | |
279 | 9a06d96f | Olga Brani | value = getattr(obj, field_name)
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280 | 9a06d96f | Olga Brani | if field.__class__.__name__ == 'ForeignKey': |
281 | 9a06d96f | Olga Brani | value = unicode(value) if value is not None else value |
282 | 9a06d96f | Olga Brani | if value or include_empty: |
283 | 9a06d96f | Olga Brani | tree[field_name] = value |
284 | 9efcce2a | Sofia Papagiannaki | properties = list(get_properties(obj))
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285 | 9efcce2a | Sofia Papagiannaki | for p in properties: |
286 | 9efcce2a | Sofia Papagiannaki | tree[p] = getattr(obj, p)
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287 | 9efcce2a | Sofia Papagiannaki | tree['str_repr'] = obj.__str__()
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288 | 9a06d96f | Olga Brani | |
289 | 9a06d96f | Olga Brani | return tree
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290 | 6936103e | Kostas Papadimitriou | |
291 | 6936103e | Kostas Papadimitriou | def login_url(request): |
292 | 6936103e | Kostas Papadimitriou | attrs = {} |
293 | 6936103e | Kostas Papadimitriou | for attr in ['login', 'key', 'code']: |
294 | 6936103e | Kostas Papadimitriou | val = request.REQUEST.get(attr, None)
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295 | 6936103e | Kostas Papadimitriou | if val:
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296 | 6936103e | Kostas Papadimitriou | attrs[attr] = val |
297 | 6936103e | Kostas Papadimitriou | return "%s?%s" % (reverse('login'), urllib.urlencode(attrs)) |
298 | 440f7c0c | Kostas Papadimitriou | |
299 | 440f7c0c | Kostas Papadimitriou | |
300 | 440f7c0c | Kostas Papadimitriou | def redirect_back(request, default='index'): |
301 | 440f7c0c | Kostas Papadimitriou | """
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302 | 440f7c0c | Kostas Papadimitriou | Redirect back to referer if safe and possible.
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303 | 440f7c0c | Kostas Papadimitriou | """
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304 | 440f7c0c | Kostas Papadimitriou | referer = request.META.get('HTTP_REFERER')
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305 | 440f7c0c | Kostas Papadimitriou | |
306 | 440f7c0c | Kostas Papadimitriou | safedomain = settings.BASEURL.replace("https://", "").replace( |
307 | 440f7c0c | Kostas Papadimitriou | "http://", "") |
308 | 440f7c0c | Kostas Papadimitriou | safe = restrict_next(referer, safedomain) |
309 | 440f7c0c | Kostas Papadimitriou | # avoid redirect loop
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310 | 440f7c0c | Kostas Papadimitriou | loops = referer == request.get_full_path() |
311 | 440f7c0c | Kostas Papadimitriou | if referer and safe and not loops: |
312 | 440f7c0c | Kostas Papadimitriou | return redirect(referer)
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313 | 440f7c0c | Kostas Papadimitriou | return redirect(reverse(default)) |