root / snf-astakos-app / astakos / im / models.py @ f0f92965
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1 | aba1e498 | Antony Chazapis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 6c736ed7 | Kostas Papadimitriou | #
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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 | 6c736ed7 | Kostas Papadimitriou | #
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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 | 6c736ed7 | Kostas Papadimitriou | #
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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 | 6c736ed7 | Kostas Papadimitriou | #
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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 | 6c736ed7 | Kostas Papadimitriou | #
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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 | 64cd4730 | Antony Chazapis | import hashlib |
35 | 15efc749 | Sofia Papagiannaki | import uuid |
36 | 18ffbee1 | Sofia Papagiannaki | import logging |
37 | 0a569195 | Sofia Papagiannaki | import json |
38 | 64cd4730 | Antony Chazapis | |
39 | 64cd4730 | Antony Chazapis | from time import asctime |
40 | 64cd4730 | Antony Chazapis | from datetime import datetime, timedelta |
41 | 64cd4730 | Antony Chazapis | from base64 import b64encode |
42 | 0a569195 | Sofia Papagiannaki | from urlparse import urlparse, urlunparse |
43 | 8f5a3a06 | Sofia Papagiannaki | from random import randint |
44 | 64cd4730 | Antony Chazapis | |
45 | 49790d9d | Sofia Papagiannaki | from django.db import models, IntegrityError |
46 | 18ffbee1 | Sofia Papagiannaki | from django.contrib.auth.models import User, UserManager, Group |
47 | 0a569195 | Sofia Papagiannaki | from django.utils.translation import ugettext as _ |
48 | 0a569195 | Sofia Papagiannaki | from django.core.exceptions import ValidationError |
49 | 49790d9d | Sofia Papagiannaki | from django.template.loader import render_to_string |
50 | 49790d9d | Sofia Papagiannaki | from django.core.mail import send_mail |
51 | 49790d9d | Sofia Papagiannaki | from django.db import transaction |
52 | 64cd4730 | Antony Chazapis | |
53 | 49790d9d | Sofia Papagiannaki | from astakos.im.settings import DEFAULT_USER_LEVEL, INVITATIONS_PER_LEVEL, \ |
54 | 49790d9d | Sofia Papagiannaki | AUTH_TOKEN_DURATION, BILLING_FIELDS, QUEUE_CONNECTION, SITENAME, \ |
55 | 49790d9d | Sofia Papagiannaki | EMAILCHANGE_ACTIVATION_DAYS
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56 | 9c01d9d1 | Sofia Papagiannaki | |
57 | 9c01d9d1 | Sofia Papagiannaki | QUEUE_CLIENT_ID = 3 # Astakos. |
58 | 64cd4730 | Antony Chazapis | |
59 | 18ffbee1 | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
60 | 18ffbee1 | Sofia Papagiannaki | |
61 | 0905ccd2 | Sofia Papagiannaki | class AstakosUser(User): |
62 | 890b0eaf | Sofia Papagiannaki | """
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63 | 890b0eaf | Sofia Papagiannaki | Extends ``django.contrib.auth.models.User`` by defining additional fields.
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64 | 890b0eaf | Sofia Papagiannaki | """
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65 | 0905ccd2 | Sofia Papagiannaki | # Use UserManager to get the create_user method, etc.
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66 | 0905ccd2 | Sofia Papagiannaki | objects = UserManager() |
67 | 6c736ed7 | Kostas Papadimitriou | |
68 | 5ed6816e | Sofia Papagiannaki | affiliation = models.CharField('Affiliation', max_length=255, blank=True) |
69 | 5ed6816e | Sofia Papagiannaki | provider = models.CharField('Provider', max_length=255, blank=True) |
70 | 6c736ed7 | Kostas Papadimitriou | |
71 | 64cd4730 | Antony Chazapis | #for invitations
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72 | 92defad4 | Sofia Papagiannaki | user_level = DEFAULT_USER_LEVEL |
73 | a196eb7e | Sofia Papagiannaki | level = models.IntegerField('Inviter level', default=user_level)
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74 | ebd369d0 | Sofia Papagiannaki | invitations = models.IntegerField('Invitations left', default=INVITATIONS_PER_LEVEL.get(user_level, 0)) |
75 | 6c736ed7 | Kostas Papadimitriou | |
76 | 64cd4730 | Antony Chazapis | auth_token = models.CharField('Authentication Token', max_length=32, |
77 | 0905ccd2 | Sofia Papagiannaki | null=True, blank=True) |
78 | 0905ccd2 | Sofia Papagiannaki | auth_token_created = models.DateTimeField('Token creation date', null=True) |
79 | 0905ccd2 | Sofia Papagiannaki | auth_token_expires = models.DateTimeField('Token expiration date', null=True) |
80 | 6c736ed7 | Kostas Papadimitriou | |
81 | 64cd4730 | Antony Chazapis | updated = models.DateTimeField('Update date')
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82 | 890b0eaf | Sofia Papagiannaki | is_verified = models.BooleanField('Is verified?', default=False) |
83 | 6c736ed7 | Kostas Papadimitriou | |
84 | 15efc749 | Sofia Papagiannaki | # ex. screen_name for twitter, eppn for shibboleth
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85 | 15efc749 | Sofia Papagiannaki | third_party_identifier = models.CharField('Third-party identifier', max_length=255, null=True, blank=True) |
86 | 6c736ed7 | Kostas Papadimitriou | |
87 | ebd369d0 | Sofia Papagiannaki | email_verified = models.BooleanField('Email verified?', default=False) |
88 | 6c736ed7 | Kostas Papadimitriou | |
89 | 59f598f1 | Sofia Papagiannaki | has_credits = models.BooleanField('Has credits?', default=False) |
90 | 270dd48d | Sofia Papagiannaki | has_signed_terms = models.BooleanField('Agree with the terms?', default=False) |
91 | 0a569195 | Sofia Papagiannaki | date_signed_terms = models.DateTimeField('Signed terms date', null=True, blank=True) |
92 | 59f598f1 | Sofia Papagiannaki | |
93 | 18ffbee1 | Sofia Papagiannaki | __has_signed_terms = False
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94 | 18ffbee1 | Sofia Papagiannaki | __groupnames = [] |
95 | 18ffbee1 | Sofia Papagiannaki | |
96 | 18ffbee1 | Sofia Papagiannaki | def __init__(self, *args, **kwargs): |
97 | 18ffbee1 | Sofia Papagiannaki | super(AstakosUser, self).__init__(*args, **kwargs) |
98 | 18ffbee1 | Sofia Papagiannaki | self.__has_signed_terms = self.has_signed_terms |
99 | 18ffbee1 | Sofia Papagiannaki | if self.id: |
100 | 18ffbee1 | Sofia Papagiannaki | self.__groupnames = [g.name for g in self.groups.all()] |
101 | 18ffbee1 | Sofia Papagiannaki | else:
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102 | 18ffbee1 | Sofia Papagiannaki | self.is_active = False |
103 | 18ffbee1 | Sofia Papagiannaki | |
104 | 0905ccd2 | Sofia Papagiannaki | @property
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105 | 0905ccd2 | Sofia Papagiannaki | def realname(self): |
106 | 0905ccd2 | Sofia Papagiannaki | return '%s %s' %(self.first_name, self.last_name) |
107 | 6c736ed7 | Kostas Papadimitriou | |
108 | 0905ccd2 | Sofia Papagiannaki | @realname.setter
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109 | 0905ccd2 | Sofia Papagiannaki | def realname(self, value): |
110 | 0905ccd2 | Sofia Papagiannaki | parts = value.split(' ')
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111 | 0905ccd2 | Sofia Papagiannaki | if len(parts) == 2: |
112 | 0905ccd2 | Sofia Papagiannaki | self.first_name = parts[0] |
113 | 0905ccd2 | Sofia Papagiannaki | self.last_name = parts[1] |
114 | 0905ccd2 | Sofia Papagiannaki | else:
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115 | 0905ccd2 | Sofia Papagiannaki | self.last_name = parts[0] |
116 | 6c736ed7 | Kostas Papadimitriou | |
117 | 64cd4730 | Antony Chazapis | @property
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118 | 64cd4730 | Antony Chazapis | def invitation(self): |
119 | 64cd4730 | Antony Chazapis | try:
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120 | 9fb8e808 | Sofia Papagiannaki | return Invitation.objects.get(username=self.email) |
121 | 64cd4730 | Antony Chazapis | except Invitation.DoesNotExist:
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122 | 64cd4730 | Antony Chazapis | return None |
123 | 6c736ed7 | Kostas Papadimitriou | |
124 | 64cd4730 | Antony Chazapis | def save(self, update_timestamps=True, **kwargs): |
125 | 64cd4730 | Antony Chazapis | if update_timestamps:
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126 | 64cd4730 | Antony Chazapis | if not self.id: |
127 | 0905ccd2 | Sofia Papagiannaki | self.date_joined = datetime.now()
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128 | 64cd4730 | Antony Chazapis | self.updated = datetime.now()
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129 | 18ffbee1 | Sofia Papagiannaki | |
130 | 18ffbee1 | Sofia Papagiannaki | # update date_signed_terms if necessary
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131 | 18ffbee1 | Sofia Papagiannaki | if self.__has_signed_terms != self.has_signed_terms: |
132 | 18ffbee1 | Sofia Papagiannaki | self.date_signed_terms = datetime.now()
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133 | 18ffbee1 | Sofia Papagiannaki | |
134 | 9c01d9d1 | Sofia Papagiannaki | if not self.id: |
135 | 9c01d9d1 | Sofia Papagiannaki | # set username
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136 | 9c01d9d1 | Sofia Papagiannaki | while not self.username: |
137 | 9c01d9d1 | Sofia Papagiannaki | username = uuid.uuid4().hex[:30]
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138 | 9c01d9d1 | Sofia Papagiannaki | try:
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139 | 9c01d9d1 | Sofia Papagiannaki | AstakosUser.objects.get(username = username) |
140 | 9c01d9d1 | Sofia Papagiannaki | except AstakosUser.DoesNotExist, e:
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141 | 9c01d9d1 | Sofia Papagiannaki | self.username = username
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142 | 9c01d9d1 | Sofia Papagiannaki | if not self.provider: |
143 | 9c01d9d1 | Sofia Papagiannaki | self.provider = 'local' |
144 | 9c01d9d1 | Sofia Papagiannaki | report_user_event(self)
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145 | 591d0505 | Sofia Papagiannaki | self.validate_unique_email_isactive()
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146 | 0905ccd2 | Sofia Papagiannaki | super(AstakosUser, self).save(**kwargs) |
147 | 18ffbee1 | Sofia Papagiannaki | |
148 | 18ffbee1 | Sofia Papagiannaki | # set group if does not exist
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149 | 18ffbee1 | Sofia Papagiannaki | groupname = 'shibboleth' if self.provider == 'shibboleth' else 'default' |
150 | 18ffbee1 | Sofia Papagiannaki | if groupname not in self.__groupnames: |
151 | 18ffbee1 | Sofia Papagiannaki | try:
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152 | 18ffbee1 | Sofia Papagiannaki | group = Group.objects.get(name = groupname) |
153 | 18ffbee1 | Sofia Papagiannaki | self.groups.add(group)
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154 | 18ffbee1 | Sofia Papagiannaki | except Group.DoesNotExist, e:
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155 | 18ffbee1 | Sofia Papagiannaki | logger.exception(e) |
156 | 64cd4730 | Antony Chazapis | |
157 | 64cd4730 | Antony Chazapis | def renew_token(self): |
158 | 64cd4730 | Antony Chazapis | md5 = hashlib.md5() |
159 | 0905ccd2 | Sofia Papagiannaki | md5.update(self.username)
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160 | 64cd4730 | Antony Chazapis | md5.update(self.realname.encode('ascii', 'ignore')) |
161 | 64cd4730 | Antony Chazapis | md5.update(asctime()) |
162 | 6c736ed7 | Kostas Papadimitriou | |
163 | 64cd4730 | Antony Chazapis | self.auth_token = b64encode(md5.digest())
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164 | 64cd4730 | Antony Chazapis | self.auth_token_created = datetime.now()
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165 | 64cd4730 | Antony Chazapis | self.auth_token_expires = self.auth_token_created + \ |
166 | 92defad4 | Sofia Papagiannaki | timedelta(hours=AUTH_TOKEN_DURATION) |
167 | 6c736ed7 | Kostas Papadimitriou | |
168 | 64cd4730 | Antony Chazapis | def __unicode__(self): |
169 | 0905ccd2 | Sofia Papagiannaki | return self.username |
170 | 0a569195 | Sofia Papagiannaki | |
171 | 0a569195 | Sofia Papagiannaki | def conflicting_email(self): |
172 | 0a569195 | Sofia Papagiannaki | q = AstakosUser.objects.exclude(username = self.username)
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173 | 0a569195 | Sofia Papagiannaki | q = q.filter(email = self.email)
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174 | 0a569195 | Sofia Papagiannaki | if q.count() != 0: |
175 | 0a569195 | Sofia Papagiannaki | return True |
176 | 0a569195 | Sofia Papagiannaki | return False |
177 | 0a569195 | Sofia Papagiannaki | |
178 | 591d0505 | Sofia Papagiannaki | def validate_unique_email_isactive(self): |
179 | 0a569195 | Sofia Papagiannaki | """
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180 | 0a569195 | Sofia Papagiannaki | Implements a unique_together constraint for email and is_active fields.
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181 | 0a569195 | Sofia Papagiannaki | """
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182 | 0a569195 | Sofia Papagiannaki | q = AstakosUser.objects.exclude(username = self.username)
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183 | 0a569195 | Sofia Papagiannaki | q = q.filter(email = self.email)
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184 | 0a569195 | Sofia Papagiannaki | q = q.filter(is_active = self.is_active)
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185 | 0a569195 | Sofia Papagiannaki | if q.count() != 0: |
186 | 0a569195 | Sofia Papagiannaki | raise ValidationError({'__all__':[_('Another account with the same email & is_active combination found.')]}) |
187 | 09e7393c | Sofia Papagiannaki | |
188 | 09e7393c | Sofia Papagiannaki | def signed_terms(self): |
189 | 09e7393c | Sofia Papagiannaki | term = get_latest_terms() |
190 | 09e7393c | Sofia Papagiannaki | if not term: |
191 | 09e7393c | Sofia Papagiannaki | return True |
192 | 09e7393c | Sofia Papagiannaki | if not self.has_signed_terms: |
193 | 09e7393c | Sofia Papagiannaki | return False |
194 | 09e7393c | Sofia Papagiannaki | if not self.date_signed_terms: |
195 | 09e7393c | Sofia Papagiannaki | return False |
196 | 09e7393c | Sofia Papagiannaki | if self.date_signed_terms < term.date: |
197 | 09e7393c | Sofia Papagiannaki | self.has_signed_terms = False |
198 | f0f92965 | Sofia Papagiannaki | self.date_signed_terms = None |
199 | 09e7393c | Sofia Papagiannaki | self.save()
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200 | 09e7393c | Sofia Papagiannaki | return False |
201 | 09e7393c | Sofia Papagiannaki | return True |
202 | 09e7393c | Sofia Papagiannaki | |
203 | 270dd48d | Sofia Papagiannaki | class ApprovalTerms(models.Model): |
204 | 270dd48d | Sofia Papagiannaki | """
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205 | 270dd48d | Sofia Papagiannaki | Model for approval terms
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206 | 270dd48d | Sofia Papagiannaki | """
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207 | 6c736ed7 | Kostas Papadimitriou | |
208 | 270dd48d | Sofia Papagiannaki | date = models.DateTimeField('Issue date', db_index=True, default=datetime.now()) |
209 | 270dd48d | Sofia Papagiannaki | location = models.CharField('Terms location', max_length=255) |
210 | 270dd48d | Sofia Papagiannaki | |
211 | 64cd4730 | Antony Chazapis | class Invitation(models.Model): |
212 | 890b0eaf | Sofia Papagiannaki | """
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213 | 890b0eaf | Sofia Papagiannaki | Model for registring invitations
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214 | 890b0eaf | Sofia Papagiannaki | """
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215 | 0905ccd2 | Sofia Papagiannaki | inviter = models.ForeignKey(AstakosUser, related_name='invitations_sent',
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216 | 64cd4730 | Antony Chazapis | null=True)
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217 | 64cd4730 | Antony Chazapis | realname = models.CharField('Real name', max_length=255) |
218 | ebd369d0 | Sofia Papagiannaki | username = models.CharField('Unique ID', max_length=255, unique=True) |
219 | 64cd4730 | Antony Chazapis | code = models.BigIntegerField('Invitation code', db_index=True) |
220 | 64cd4730 | Antony Chazapis | is_consumed = models.BooleanField('Consumed?', default=False) |
221 | 64cd4730 | Antony Chazapis | created = models.DateTimeField('Creation date', auto_now_add=True) |
222 | 64cd4730 | Antony Chazapis | consumed = models.DateTimeField('Consumption date', null=True, blank=True) |
223 | 64cd4730 | Antony Chazapis | |
224 | 18ffbee1 | Sofia Papagiannaki | def __init__(self, *args, **kwargs): |
225 | 18ffbee1 | Sofia Papagiannaki | super(Invitation, self).__init__(*args, **kwargs) |
226 | 8f5a3a06 | Sofia Papagiannaki | if not self.id: |
227 | 8f5a3a06 | Sofia Papagiannaki | self.code = _generate_invitation_code()
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228 | 8f5a3a06 | Sofia Papagiannaki | |
229 | 64cd4730 | Antony Chazapis | def consume(self): |
230 | 64cd4730 | Antony Chazapis | self.is_consumed = True |
231 | 64cd4730 | Antony Chazapis | self.consumed = datetime.now()
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232 | 64cd4730 | Antony Chazapis | self.save()
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233 | 6c736ed7 | Kostas Papadimitriou | |
234 | 64cd4730 | Antony Chazapis | def __unicode__(self): |
235 | 0905ccd2 | Sofia Papagiannaki | return '%s -> %s [%d]' % (self.inviter, self.username, self.code) |
236 | 9c01d9d1 | Sofia Papagiannaki | |
237 | 9c01d9d1 | Sofia Papagiannaki | def report_user_event(user): |
238 | 9c01d9d1 | Sofia Papagiannaki | def should_send(user): |
239 | 9c01d9d1 | Sofia Papagiannaki | # report event incase of new user instance
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240 | 9c01d9d1 | Sofia Papagiannaki | # or if specific fields are modified
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241 | 9c01d9d1 | Sofia Papagiannaki | if not user.id: |
242 | 9c01d9d1 | Sofia Papagiannaki | return True |
243 | 9c01d9d1 | Sofia Papagiannaki | db_instance = AstakosUser.objects.get(id = user.id) |
244 | 9c01d9d1 | Sofia Papagiannaki | for f in BILLING_FIELDS: |
245 | 9c01d9d1 | Sofia Papagiannaki | if (db_instance.__getattribute__(f) != user.__getattribute__(f)):
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246 | 9c01d9d1 | Sofia Papagiannaki | return True |
247 | 9c01d9d1 | Sofia Papagiannaki | return False |
248 | 6c736ed7 | Kostas Papadimitriou | |
249 | 3a9f4931 | Sofia Papagiannaki | if QUEUE_CONNECTION and should_send(user): |
250 | 6c736ed7 | Kostas Papadimitriou | |
251 | 6c736ed7 | Kostas Papadimitriou | from astakos.im.queue.userevent import UserEvent |
252 | 6c736ed7 | Kostas Papadimitriou | from synnefo.lib.queue import exchange_connect, exchange_send, \ |
253 | 6c736ed7 | Kostas Papadimitriou | exchange_close
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254 | 6c736ed7 | Kostas Papadimitriou | |
255 | 59f598f1 | Sofia Papagiannaki | eventType = 'create' if not user.id else 'modify' |
256 | 59f598f1 | Sofia Papagiannaki | body = UserEvent(QUEUE_CLIENT_ID, user, eventType, {}).format() |
257 | 3a9f4931 | Sofia Papagiannaki | conn = exchange_connect(QUEUE_CONNECTION) |
258 | 9e19989d | Sofia Papagiannaki | parts = urlparse(QUEUE_CONNECTION) |
259 | 270dd48d | Sofia Papagiannaki | exchange = parts.path[1:]
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260 | 270dd48d | Sofia Papagiannaki | routing_key = '%s.user' % exchange
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261 | 9c01d9d1 | Sofia Papagiannaki | exchange_send(conn, routing_key, body) |
262 | 68cb6899 | Sofia Papagiannaki | exchange_close(conn) |
263 | 8f5a3a06 | Sofia Papagiannaki | |
264 | 8f5a3a06 | Sofia Papagiannaki | def _generate_invitation_code(): |
265 | 8f5a3a06 | Sofia Papagiannaki | while True: |
266 | 8f5a3a06 | Sofia Papagiannaki | code = randint(1, 2L**63 - 1) |
267 | 8f5a3a06 | Sofia Papagiannaki | try:
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268 | 8f5a3a06 | Sofia Papagiannaki | Invitation.objects.get(code=code) |
269 | 8f5a3a06 | Sofia Papagiannaki | # An invitation with this code already exists, try again
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270 | 8f5a3a06 | Sofia Papagiannaki | except Invitation.DoesNotExist:
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271 | 09e7393c | Sofia Papagiannaki | return code
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272 | 09e7393c | Sofia Papagiannaki | |
273 | 09e7393c | Sofia Papagiannaki | def get_latest_terms(): |
274 | 09e7393c | Sofia Papagiannaki | try:
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275 | 09e7393c | Sofia Papagiannaki | term = ApprovalTerms.objects.order_by('-id')[0] |
276 | 09e7393c | Sofia Papagiannaki | return term
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277 | 09e7393c | Sofia Papagiannaki | except IndexError: |
278 | 09e7393c | Sofia Papagiannaki | pass
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279 | 49790d9d | Sofia Papagiannaki | return None |
280 | 49790d9d | Sofia Papagiannaki | |
281 | 49790d9d | Sofia Papagiannaki | class EmailChangeManager(models.Manager): |
282 | 49790d9d | Sofia Papagiannaki | @transaction.commit_on_success
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283 | 49790d9d | Sofia Papagiannaki | def change_email(self, activation_key): |
284 | 49790d9d | Sofia Papagiannaki | """
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285 | 49790d9d | Sofia Papagiannaki | Validate an activation key and change the corresponding
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286 | 49790d9d | Sofia Papagiannaki | ``User`` if valid.
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287 | 49790d9d | Sofia Papagiannaki |
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288 | 49790d9d | Sofia Papagiannaki | If the key is valid and has not expired, return the ``User``
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289 | 49790d9d | Sofia Papagiannaki | after activating.
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290 | 49790d9d | Sofia Papagiannaki |
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291 | 49790d9d | Sofia Papagiannaki | If the key is not valid or has expired, return ``None``.
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292 | 49790d9d | Sofia Papagiannaki |
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293 | 49790d9d | Sofia Papagiannaki | If the key is valid but the ``User`` is already active,
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294 | 49790d9d | Sofia Papagiannaki | return ``None``.
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295 | 49790d9d | Sofia Papagiannaki |
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296 | 49790d9d | Sofia Papagiannaki | After successful email change the activation record is deleted.
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297 | 49790d9d | Sofia Papagiannaki |
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298 | 49790d9d | Sofia Papagiannaki | Throws ValueError if there is already
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299 | 49790d9d | Sofia Papagiannaki | """
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300 | 49790d9d | Sofia Papagiannaki | try:
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301 | 49790d9d | Sofia Papagiannaki | email_change = self.model.objects.get(activation_key=activation_key)
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302 | 49790d9d | Sofia Papagiannaki | if email_change.activation_key_expired():
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303 | 49790d9d | Sofia Papagiannaki | email_change.delete() |
304 | 49790d9d | Sofia Papagiannaki | raise EmailChange.DoesNotExist
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305 | 49790d9d | Sofia Papagiannaki | # is there an active user with this address?
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306 | 49790d9d | Sofia Papagiannaki | try:
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307 | 49790d9d | Sofia Papagiannaki | AstakosUser.objects.get(email=email_change.new_email_address) |
308 | 49790d9d | Sofia Papagiannaki | except AstakosUser.DoesNotExist:
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309 | 49790d9d | Sofia Papagiannaki | pass
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310 | 49790d9d | Sofia Papagiannaki | else:
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311 | 49790d9d | Sofia Papagiannaki | raise ValueError(_('The new email address is reserved.')) |
312 | 49790d9d | Sofia Papagiannaki | # update user
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313 | 49790d9d | Sofia Papagiannaki | user = AstakosUser.objects.get(pk=email_change.user_id) |
314 | 49790d9d | Sofia Papagiannaki | user.email = email_change.new_email_address |
315 | 49790d9d | Sofia Papagiannaki | user.save() |
316 | 49790d9d | Sofia Papagiannaki | email_change.delete() |
317 | 49790d9d | Sofia Papagiannaki | return user
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318 | 49790d9d | Sofia Papagiannaki | except EmailChange.DoesNotExist:
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319 | 49790d9d | Sofia Papagiannaki | raise ValueError(_('Invalid activation key')) |
320 | 49790d9d | Sofia Papagiannaki | |
321 | 49790d9d | Sofia Papagiannaki | class EmailChange(models.Model): |
322 | 49790d9d | Sofia Papagiannaki | new_email_address = models.EmailField(_(u'new e-mail address'), help_text=_(u'Your old email address will be used until you verify your new one.')) |
323 | 49790d9d | Sofia Papagiannaki | user = models.ForeignKey(AstakosUser, unique=True, related_name='emailchange_user') |
324 | 49790d9d | Sofia Papagiannaki | requested_at = models.DateTimeField(default=datetime.now()) |
325 | 49790d9d | Sofia Papagiannaki | activation_key = models.CharField(max_length=40, unique=True, db_index=True) |
326 | 49790d9d | Sofia Papagiannaki | |
327 | 49790d9d | Sofia Papagiannaki | objects = EmailChangeManager() |
328 | 49790d9d | Sofia Papagiannaki | |
329 | 49790d9d | Sofia Papagiannaki | def activation_key_expired(self): |
330 | 49790d9d | Sofia Papagiannaki | expiration_date = timedelta(days=EMAILCHANGE_ACTIVATION_DAYS) |
331 | 49790d9d | Sofia Papagiannaki | return self.requested_at + expiration_date < datetime.now() |