root / snf-astakos-app / astakos / im / cookie.py @ 53764fd9
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1 | b2ffa772 | Sofia Papagiannaki | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | b2ffa772 | Sofia Papagiannaki | #
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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 | b2ffa772 | Sofia Papagiannaki | #
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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 | b2ffa772 | Sofia Papagiannaki | #
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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 | b2ffa772 | Sofia Papagiannaki | #
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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 | b2ffa772 | Sofia Papagiannaki | #
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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.http import HttpRequest |
39 | b2ffa772 | Sofia Papagiannaki | from django.contrib.auth.models import AnonymousUser |
40 | b2ffa772 | Sofia Papagiannaki | |
41 | b2ffa772 | Sofia Papagiannaki | from astakos.im.settings import ( |
42 | b2ffa772 | Sofia Papagiannaki | COOKIE_NAME, COOKIE_DOMAIN, COOKIE_SECURE, LOGGING_LEVEL |
43 | b2ffa772 | Sofia Papagiannaki | ) |
44 | b2ffa772 | Sofia Papagiannaki | |
45 | b2ffa772 | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
46 | b2ffa772 | Sofia Papagiannaki | |
47 | b2ffa772 | Sofia Papagiannaki | class Cookie(): |
48 | 47097c8a | Sofia Papagiannaki | def __init__(self, request, response): |
49 | b2ffa772 | Sofia Papagiannaki | cookies = getattr(request, 'COOKIES', {}) |
50 | b2ffa772 | Sofia Papagiannaki | cookie = unquote(cookies.get(COOKIE_NAME, ''))
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51 | b2ffa772 | Sofia Papagiannaki | self.email, 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 | b2ffa772 | Sofia Papagiannaki | |
55 | b2ffa772 | Sofia Papagiannaki | @property
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56 | b2ffa772 | Sofia Papagiannaki | def is_set(self): |
57 | b2ffa772 | Sofia Papagiannaki | no_token = not self.auth_token |
58 | b2ffa772 | Sofia Papagiannaki | return not no_token |
59 | b2ffa772 | Sofia Papagiannaki | |
60 | b2ffa772 | Sofia Papagiannaki | @property
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61 | b2ffa772 | Sofia Papagiannaki | def is_valid(self): |
62 | b2ffa772 | Sofia Papagiannaki | return self.email == getattr(self.user, 'email', '') and \ |
63 | b2ffa772 | Sofia Papagiannaki | self.auth_token == getattr(self.user, 'auth_token', '') |
64 | b2ffa772 | Sofia Papagiannaki | |
65 | b2ffa772 | Sofia Papagiannaki | @property
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66 | b2ffa772 | Sofia Papagiannaki | def user(self): |
67 | b2ffa772 | Sofia Papagiannaki | return getattr(self.request, 'user', AnonymousUser()) |
68 | b2ffa772 | Sofia Papagiannaki | |
69 | 53764fd9 | Sofia Papagiannaki | def __set(self): |
70 | b2ffa772 | Sofia Papagiannaki | user = self.user
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71 | b2ffa772 | Sofia Papagiannaki | expire_fmt = user.auth_token_expires.strftime('%a, %d-%b-%Y %H:%M:%S %Z')
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72 | b2ffa772 | Sofia Papagiannaki | cookie_value = quote(user.email + '|' + user.auth_token)
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73 | 53764fd9 | Sofia Papagiannaki | self.response.set_cookie(
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74 | 53764fd9 | Sofia Papagiannaki | COOKIE_NAME, value=cookie_value, expires=expire_fmt, path='/',
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75 | 53764fd9 | Sofia Papagiannaki | domain=COOKIE_DOMAIN, secure=COOKIE_SECURE |
76 | 53764fd9 | Sofia Papagiannaki | ) |
77 | b2ffa772 | Sofia Papagiannaki | msg = 'Cookie [expiring %(auth_token_expires)s] set for %(email)s' % user.__dict__
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78 | b2ffa772 | Sofia Papagiannaki | logger._log(LOGGING_LEVEL, msg, []) |
79 | b2ffa772 | Sofia Papagiannaki | |
80 | 53764fd9 | Sofia Papagiannaki | def __delete(self): |
81 | 53764fd9 | Sofia Papagiannaki | self.response.delete_cookie(COOKIE_NAME, path='/', domain=COOKIE_DOMAIN) |
82 | b2ffa772 | Sofia Papagiannaki | msg = 'Cookie deleted for %(email)s' % self.__dict__ |
83 | b2ffa772 | Sofia Papagiannaki | logger._log(LOGGING_LEVEL, msg, []) |
84 | b2ffa772 | Sofia Papagiannaki | |
85 | 47097c8a | Sofia Papagiannaki | def fix(self): |
86 | b2ffa772 | Sofia Papagiannaki | if self.user.is_authenticated(): |
87 | b2ffa772 | Sofia Papagiannaki | if not self.is_set or not self.is_valid: |
88 | 53764fd9 | Sofia Papagiannaki | self.__set()
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89 | b2ffa772 | Sofia Papagiannaki | else:
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90 | b2ffa772 | Sofia Papagiannaki | if self.is_set: |
91 | 53764fd9 | Sofia Papagiannaki | self.__delete() |