root / snf-astakos-app / astakos / im / cookie.py @ 56bbece7
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1 | b2ffa772 | Sofia Papagiannaki | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 6a6ceeb0 | Kostas Papadimitriou | #
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3 | b2ffa772 | Sofia Papagiannaki | # Redistribution and use in source and binary forms, with or
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4 | b2ffa772 | Sofia Papagiannaki | # without modification, are permitted provided that the following
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5 | b2ffa772 | Sofia Papagiannaki | # conditions are met:
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6 | 6a6ceeb0 | Kostas Papadimitriou | #
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7 | b2ffa772 | Sofia Papagiannaki | # 1. Redistributions of source code must retain the above
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8 | b2ffa772 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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9 | b2ffa772 | Sofia Papagiannaki | # disclaimer.
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10 | 6a6ceeb0 | Kostas Papadimitriou | #
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11 | b2ffa772 | Sofia Papagiannaki | # 2. Redistributions in binary form must reproduce the above
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12 | b2ffa772 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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13 | b2ffa772 | Sofia Papagiannaki | # disclaimer in the documentation and/or other materials
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14 | b2ffa772 | Sofia Papagiannaki | # provided with the distribution.
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15 | 6a6ceeb0 | Kostas Papadimitriou | #
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16 | b2ffa772 | Sofia Papagiannaki | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | b2ffa772 | Sofia Papagiannaki | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | b2ffa772 | Sofia Papagiannaki | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | b2ffa772 | Sofia Papagiannaki | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | b2ffa772 | Sofia Papagiannaki | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | b2ffa772 | Sofia Papagiannaki | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | b2ffa772 | Sofia Papagiannaki | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | b2ffa772 | Sofia Papagiannaki | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | b2ffa772 | Sofia Papagiannaki | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | b2ffa772 | Sofia Papagiannaki | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | b2ffa772 | Sofia Papagiannaki | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | b2ffa772 | Sofia Papagiannaki | # POSSIBILITY OF SUCH DAMAGE.
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28 | 6a6ceeb0 | Kostas Papadimitriou | #
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29 | b2ffa772 | Sofia Papagiannaki | # The views and conclusions contained in the software and
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30 | b2ffa772 | Sofia Papagiannaki | # documentation are those of the authors and should not be
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31 | b2ffa772 | Sofia Papagiannaki | # interpreted as representing official policies, either expressed
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32 | b2ffa772 | Sofia Papagiannaki | # or implied, of GRNET S.A.
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33 | b2ffa772 | Sofia Papagiannaki | |
34 | b2ffa772 | Sofia Papagiannaki | import logging |
35 | b2ffa772 | Sofia Papagiannaki | |
36 | b2ffa772 | Sofia Papagiannaki | from urllib import quote, unquote |
37 | b2ffa772 | Sofia Papagiannaki | |
38 | b2ffa772 | Sofia Papagiannaki | from django.contrib.auth.models import AnonymousUser |
39 | e0cc1c4a | Sofia Papagiannaki | from django.utils.translation import ugettext as _ |
40 | b2ffa772 | Sofia Papagiannaki | |
41 | 8998f09a | Sofia Papagiannaki | from astakos.im import settings |
42 | c0b26605 | Sofia Papagiannaki | import astakos.im.messages as astakos_messages |
43 | c0b26605 | Sofia Papagiannaki | |
44 | b2ffa772 | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
45 | b2ffa772 | Sofia Papagiannaki | |
46 | 1439d638 | Sofia Papagiannaki | |
47 | 222305b7 | Sofia Papagiannaki | class CookieHandler(): |
48 | e0cc1c4a | Sofia Papagiannaki | def __init__(self, request, response=None): |
49 | b2ffa772 | Sofia Papagiannaki | cookies = getattr(request, 'COOKIES', {}) |
50 | 8998f09a | Sofia Papagiannaki | cookie = unquote(cookies.get(settings.COOKIE_NAME, ''))
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51 | 8954c8e8 | Sofia Papagiannaki | self.uuid, sep, self.auth_token = cookie.partition('|') |
52 | b2ffa772 | Sofia Papagiannaki | self.request = request
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53 | 47097c8a | Sofia Papagiannaki | self.response = response
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54 | 6a6ceeb0 | Kostas Papadimitriou | |
55 | b2ffa772 | Sofia Papagiannaki | @property
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56 | f201d5b9 | Sofia Papagiannaki | def uuid(self): |
57 | f201d5b9 | Sofia Papagiannaki | return getattr(self, 'uuid', '') |
58 | 6a6ceeb0 | Kostas Papadimitriou | |
59 | e0cc1c4a | Sofia Papagiannaki | @property
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60 | e0cc1c4a | Sofia Papagiannaki | def auth_token(self): |
61 | e0cc1c4a | Sofia Papagiannaki | return getattr(self, 'auth_token', '') |
62 | 6a6ceeb0 | Kostas Papadimitriou | |
63 | e0cc1c4a | Sofia Papagiannaki | @property
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64 | b2ffa772 | Sofia Papagiannaki | def is_set(self): |
65 | c0b26605 | Sofia Papagiannaki | no_token = not self.auth_token |
66 | b2ffa772 | Sofia Papagiannaki | return not no_token |
67 | 6a6ceeb0 | Kostas Papadimitriou | |
68 | b2ffa772 | Sofia Papagiannaki | @property
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69 | b2ffa772 | Sofia Papagiannaki | def is_valid(self): |
70 | 8fb8d0cf | Giorgos Korfiatis | cookie_attribute = ('uuid' if not settings.TRANSLATE_UUIDS |
71 | 8fb8d0cf | Giorgos Korfiatis | else 'username') |
72 | 469d0997 | Georgios D. Tsoukalas | return (self.uuid == getattr(self.user, cookie_attribute, '') and |
73 | 469d0997 | Georgios D. Tsoukalas | self.auth_token == getattr(self.user, 'auth_token', '')) |
74 | 6a6ceeb0 | Kostas Papadimitriou | |
75 | b2ffa772 | Sofia Papagiannaki | @property
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76 | b2ffa772 | Sofia Papagiannaki | def user(self): |
77 | b2ffa772 | Sofia Papagiannaki | return getattr(self.request, 'user', AnonymousUser()) |
78 | 6a6ceeb0 | Kostas Papadimitriou | |
79 | 53764fd9 | Sofia Papagiannaki | def __set(self): |
80 | e0cc1c4a | Sofia Papagiannaki | if not self.response: |
81 | c0b26605 | Sofia Papagiannaki | raise ValueError(_(astakos_messages.NO_RESPONSE)) |
82 | b2ffa772 | Sofia Papagiannaki | user = self.user
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83 | 1439d638 | Sofia Papagiannaki | expire_fmt = user.auth_token_expires.strftime( |
84 | 1439d638 | Sofia Papagiannaki | '%a, %d-%b-%Y %H:%M:%S %Z')
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85 | 8998f09a | Sofia Papagiannaki | if settings.TRANSLATE_UUIDS:
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86 | 469d0997 | Georgios D. Tsoukalas | cookie_value = quote(user.username + '|' + user.auth_token)
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87 | 469d0997 | Georgios D. Tsoukalas | else:
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88 | 469d0997 | Georgios D. Tsoukalas | cookie_value = quote(user.uuid + '|' + user.auth_token)
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89 | 53764fd9 | Sofia Papagiannaki | self.response.set_cookie(
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90 | 8fb8d0cf | Giorgos Korfiatis | settings.COOKIE_NAME, value=cookie_value, expires=expire_fmt, |
91 | d59f5608 | Sofia Papagiannaki | path='/', domain=settings.COOKIE_DOMAIN,
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92 | d59f5608 | Sofia Papagiannaki | secure=settings.COOKIE_SECURE) |
93 | d59f5608 | Sofia Papagiannaki | msg = 'Cookie [expiring %s] set for %s'
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94 | d59f5608 | Sofia Papagiannaki | logger.log(settings.LOGGING_LEVEL, msg, user.auth_token_expires, |
95 | d59f5608 | Sofia Papagiannaki | user.uuid) |
96 | 6a6ceeb0 | Kostas Papadimitriou | |
97 | 53764fd9 | Sofia Papagiannaki | def __delete(self): |
98 | e0cc1c4a | Sofia Papagiannaki | if not self.response: |
99 | c0b26605 | Sofia Papagiannaki | raise ValueError(_(astakos_messages.NO_RESPONSE)) |
100 | ab30f5f1 | Sofia Papagiannaki | self.response.delete_cookie(
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101 | 8998f09a | Sofia Papagiannaki | settings.COOKIE_NAME, path='/', domain=settings.COOKIE_DOMAIN)
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102 | d59f5608 | Sofia Papagiannaki | msg = 'Cookie deleted for %s'
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103 | d59f5608 | Sofia Papagiannaki | logger.log(settings.LOGGING_LEVEL, msg, self.uuid)
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104 | 6a6ceeb0 | Kostas Papadimitriou | |
105 | e0cc1c4a | Sofia Papagiannaki | def fix(self, response=None): |
106 | e0cc1c4a | Sofia Papagiannaki | self.response = response or self.response |
107 | e13fae3d | root | try:
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108 | ab30f5f1 | Sofia Papagiannaki | if self.user.is_authenticated(): |
109 | e13fae3d | root | if not self.is_set or not self.is_valid: |
110 | e13fae3d | root | self.__set()
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111 | e13fae3d | root | else:
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112 | e13fae3d | root | if self.is_set: |
113 | e13fae3d | root | self.__delete()
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114 | c6f0df35 | Georgios D. Tsoukalas | except AttributeError: |
115 | c6f0df35 | Georgios D. Tsoukalas | pass |