root / snf-astakos-app / astakos / im / activation_backends.py @ fd2b4e8d
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1 | 0905ccd2 | Sofia Papagiannaki | # Copyright 2011 GRNET S.A. All rights reserved.
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2 | 0905ccd2 | Sofia Papagiannaki | #
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3 | 0905ccd2 | Sofia Papagiannaki | # Redistribution and use in source and binary forms, with or
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4 | 0905ccd2 | Sofia Papagiannaki | # without modification, are permitted provided that the following
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5 | 0905ccd2 | Sofia Papagiannaki | # conditions are met:
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6 | 0905ccd2 | Sofia Papagiannaki | #
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7 | 0905ccd2 | Sofia Papagiannaki | # 1. Redistributions of source code must retain the above
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8 | 0905ccd2 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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9 | 0905ccd2 | Sofia Papagiannaki | # disclaimer.
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10 | 0905ccd2 | Sofia Papagiannaki | #
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11 | 0905ccd2 | Sofia Papagiannaki | # 2. Redistributions in binary form must reproduce the above
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12 | 0905ccd2 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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13 | 0905ccd2 | Sofia Papagiannaki | # disclaimer in the documentation and/or other materials
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14 | 0905ccd2 | Sofia Papagiannaki | # provided with the distribution.
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15 | 0905ccd2 | Sofia Papagiannaki | #
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16 | 0905ccd2 | Sofia Papagiannaki | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 0905ccd2 | Sofia Papagiannaki | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 0905ccd2 | Sofia Papagiannaki | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 0905ccd2 | Sofia Papagiannaki | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 0905ccd2 | Sofia Papagiannaki | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 0905ccd2 | Sofia Papagiannaki | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 0905ccd2 | Sofia Papagiannaki | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 0905ccd2 | Sofia Papagiannaki | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 0905ccd2 | Sofia Papagiannaki | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 0905ccd2 | Sofia Papagiannaki | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 0905ccd2 | Sofia Papagiannaki | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 0905ccd2 | Sofia Papagiannaki | # POSSIBILITY OF SUCH DAMAGE.
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28 | 0905ccd2 | Sofia Papagiannaki | #
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29 | 0905ccd2 | Sofia Papagiannaki | # The views and conclusions contained in the software and
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30 | 0905ccd2 | Sofia Papagiannaki | # documentation are those of the authors and should not be
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31 | 0905ccd2 | Sofia Papagiannaki | # interpreted as representing official policies, either expressed
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32 | 0905ccd2 | Sofia Papagiannaki | # or implied, of GRNET S.A.
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33 | 0905ccd2 | Sofia Papagiannaki | |
34 | 0905ccd2 | Sofia Papagiannaki | from django.utils.importlib import import_module |
35 | 890b0eaf | Sofia Papagiannaki | from django.core.exceptions import ImproperlyConfigured |
36 | 890b0eaf | Sofia Papagiannaki | from django.core.mail import send_mail |
37 | 890b0eaf | Sofia Papagiannaki | from django.template.loader import render_to_string |
38 | dbe090ba | root | from django.contrib.sites.models import Site |
39 | 890b0eaf | Sofia Papagiannaki | from django.contrib import messages |
40 | 1463659a | Sofia Papagiannaki | from django.core.urlresolvers import reverse |
41 | 18ffbee1 | Sofia Papagiannaki | from django.utils.translation import ugettext as _ |
42 | 18ffbee1 | Sofia Papagiannaki | from django.db import transaction |
43 | 890b0eaf | Sofia Papagiannaki | |
44 | 374611bc | Sofia Papagiannaki | from urlparse import urljoin |
45 | 890b0eaf | Sofia Papagiannaki | |
46 | 890b0eaf | Sofia Papagiannaki | from astakos.im.models import AstakosUser, Invitation |
47 | 15efc749 | Sofia Papagiannaki | from astakos.im.forms import * |
48 | 15efc749 | Sofia Papagiannaki | from astakos.im.util import get_invitation |
49 | 0a569195 | Sofia Papagiannaki | from astakos.im.functions import send_verification, send_admin_notification, activate, SendMailError |
50 | 4e30244e | Sofia Papagiannaki | from astakos.im.settings import INVITATIONS_ENABLED, DEFAULT_CONTACT_EMAIL, DEFAULT_FROM_EMAIL, MODERATION_ENABLED, SITENAME, DEFAULT_ADMIN_EMAIL, RE_USER_EMAIL_PATTERNS |
51 | 0905ccd2 | Sofia Papagiannaki | |
52 | 5ed6816e | Sofia Papagiannaki | import socket |
53 | 5ed6816e | Sofia Papagiannaki | import logging |
54 | 8316698a | Sofia Papagiannaki | import re |
55 | 5ed6816e | Sofia Papagiannaki | |
56 | e015e9e6 | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
57 | e015e9e6 | Sofia Papagiannaki | |
58 | 5ed6816e | Sofia Papagiannaki | def get_backend(request): |
59 | 0905ccd2 | Sofia Papagiannaki | """
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60 | 18ffbee1 | Sofia Papagiannaki | Returns an instance of an activation backend,
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61 | 890b0eaf | Sofia Papagiannaki | according to the INVITATIONS_ENABLED setting
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62 | 8f5a3a06 | Sofia Papagiannaki | (if True returns ``astakos.im.activation_backends.InvitationsBackend`` and if False
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63 | 8f5a3a06 | Sofia Papagiannaki | returns ``astakos.im.activation_backends.SimpleBackend``).
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64 | bef3bf46 | Kostas Papadimitriou |
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65 | 890b0eaf | Sofia Papagiannaki | If the backend cannot be located ``django.core.exceptions.ImproperlyConfigured``
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66 | 890b0eaf | Sofia Papagiannaki | is raised.
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67 | 0905ccd2 | Sofia Papagiannaki | """
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68 | 8f5a3a06 | Sofia Papagiannaki | module = 'astakos.im.activation_backends'
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69 | 92defad4 | Sofia Papagiannaki | prefix = 'Invitations' if INVITATIONS_ENABLED else 'Simple' |
70 | 890b0eaf | Sofia Papagiannaki | backend_class_name = '%sBackend' %prefix
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71 | 0905ccd2 | Sofia Papagiannaki | try:
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72 | 0905ccd2 | Sofia Papagiannaki | mod = import_module(module) |
73 | 0905ccd2 | Sofia Papagiannaki | except ImportError, e: |
74 | 18ffbee1 | Sofia Papagiannaki | raise ImproperlyConfigured('Error loading activation backend %s: "%s"' % (module, e)) |
75 | 0905ccd2 | Sofia Papagiannaki | try:
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76 | 0905ccd2 | Sofia Papagiannaki | backend_class = getattr(mod, backend_class_name)
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77 | 0905ccd2 | Sofia Papagiannaki | except AttributeError: |
78 | 18ffbee1 | Sofia Papagiannaki | raise ImproperlyConfigured('Module "%s" does not define a activation backend named "%s"' % (module, attr)) |
79 | 5ed6816e | Sofia Papagiannaki | return backend_class(request)
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80 | 890b0eaf | Sofia Papagiannaki | |
81 | 0a569195 | Sofia Papagiannaki | class ActivationBackend(object): |
82 | 8316698a | Sofia Papagiannaki | def _is_preaccepted(self, user): |
83 | 8316698a | Sofia Papagiannaki | # return True if user email matches specific patterns
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84 | 8316698a | Sofia Papagiannaki | for pattern in RE_USER_EMAIL_PATTERNS: |
85 | 8316698a | Sofia Papagiannaki | if re.match(pattern, user.email):
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86 | 8316698a | Sofia Papagiannaki | return True |
87 | 8316698a | Sofia Papagiannaki | return False |
88 | 0a569195 | Sofia Papagiannaki | |
89 | 0a569195 | Sofia Papagiannaki | def get_signup_form(self, provider='local', instance=None): |
90 | 0a569195 | Sofia Papagiannaki | """
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91 | 0a569195 | Sofia Papagiannaki | Returns the form class name
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92 | 0a569195 | Sofia Papagiannaki | """
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93 | 0a569195 | Sofia Papagiannaki | main = provider.capitalize() if provider == 'local' else 'ThirdParty' |
94 | 0a569195 | Sofia Papagiannaki | suffix = 'UserCreationForm'
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95 | 0a569195 | Sofia Papagiannaki | formclass = '%s%s' % (main, suffix)
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96 | 0a569195 | Sofia Papagiannaki | request = self.request
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97 | 0a569195 | Sofia Papagiannaki | initial_data = None
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98 | 0a569195 | Sofia Papagiannaki | if request.method == 'POST': |
99 | 0a569195 | Sofia Papagiannaki | if provider == request.POST.get('provider', ''): |
100 | 0a569195 | Sofia Papagiannaki | initial_data = request.POST |
101 | 0a569195 | Sofia Papagiannaki | return globals()[formclass](initial_data, instance=instance, request=request) |
102 | 0a569195 | Sofia Papagiannaki | |
103 | 0a569195 | Sofia Papagiannaki | def handle_activation(self, user, \ |
104 | 0a569195 | Sofia Papagiannaki | verification_template_name='im/activation_email.txt', \
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105 | 0a569195 | Sofia Papagiannaki | greeting_template_name='im/welcome_email.txt', \
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106 | 0a569195 | Sofia Papagiannaki | admin_email_template_name='im/admin_notification.txt', \
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107 | 0a569195 | Sofia Papagiannaki | switch_accounts_email_template_name='im/switch_accounts_email.txt'):
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108 | 0a569195 | Sofia Papagiannaki | """
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109 | 0a569195 | Sofia Papagiannaki | If the user is already active returns immediately.
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110 | 0a569195 | Sofia Papagiannaki | If the user is not active and there is another account associated with
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111 | 0a569195 | Sofia Papagiannaki | the specific email, it sends an informative email to the user whether
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112 | 0a569195 | Sofia Papagiannaki | wants to switch to this account.
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113 | 0a569195 | Sofia Papagiannaki | If the user is preaccepted and the email is verified, the account is
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114 | 0a569195 | Sofia Papagiannaki | activated automatically. Otherwise, if the email is not verified,
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115 | 0a569195 | Sofia Papagiannaki | it sends a verification email to the user.
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116 | 0a569195 | Sofia Papagiannaki | If the user is not preaccepted, it sends an email to the administrators
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117 | 0a569195 | Sofia Papagiannaki | and informs the user that the account is pending activation.
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118 | 0a569195 | Sofia Papagiannaki | """
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119 | 0a569195 | Sofia Papagiannaki | try:
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120 | 0a569195 | Sofia Papagiannaki | if user.is_active:
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121 | 0a569195 | Sofia Papagiannaki | return RegistationCompleted()
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122 | 0a569195 | Sofia Papagiannaki | if user.conflicting_email():
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123 | 0a569195 | Sofia Papagiannaki | send_verification(user, switch_accounts_email_template_name) |
124 | 0a569195 | Sofia Papagiannaki | return SwitchAccountsVerificationSent(user.email)
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125 | 0a569195 | Sofia Papagiannaki | |
126 | 0a569195 | Sofia Papagiannaki | if self._is_preaccepted(user): |
127 | 0a569195 | Sofia Papagiannaki | if user.email_verified:
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128 | 0a569195 | Sofia Papagiannaki | activate(user, greeting_template_name) |
129 | 0a569195 | Sofia Papagiannaki | return RegistationCompleted()
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130 | 0a569195 | Sofia Papagiannaki | else:
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131 | 0a569195 | Sofia Papagiannaki | send_verification(user, verification_template_name) |
132 | 0a569195 | Sofia Papagiannaki | return VerificationSent()
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133 | 0a569195 | Sofia Papagiannaki | else:
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134 | 0a569195 | Sofia Papagiannaki | send_admin_notification(user, admin_email_template_name) |
135 | 0a569195 | Sofia Papagiannaki | return NotificationSent()
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136 | 0a569195 | Sofia Papagiannaki | except BaseException, e: |
137 | 0a569195 | Sofia Papagiannaki | logger.exception(e) |
138 | 0a569195 | Sofia Papagiannaki | raise e
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139 | 8316698a | Sofia Papagiannaki | |
140 | 0a569195 | Sofia Papagiannaki | class InvitationsBackend(ActivationBackend): |
141 | 890b0eaf | Sofia Papagiannaki | """
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142 | 18ffbee1 | Sofia Papagiannaki | A activation backend which implements the following workflow: a user
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143 | 890b0eaf | Sofia Papagiannaki | supplies the necessary registation information, if the request contains a valid
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144 | 890b0eaf | Sofia Papagiannaki | inivation code the user is automatically activated otherwise an inactive user
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145 | 890b0eaf | Sofia Papagiannaki | account is created and the user is going to receive an email as soon as an
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146 | 890b0eaf | Sofia Papagiannaki | administrator activates his/her account.
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147 | 890b0eaf | Sofia Papagiannaki | """
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148 | 5ed6816e | Sofia Papagiannaki | def __init__(self, request): |
149 | 5ed6816e | Sofia Papagiannaki | self.request = request
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150 | 8316698a | Sofia Papagiannaki | super(InvitationsBackend, self).__init__() |
151 | bef3bf46 | Kostas Papadimitriou | |
152 | 4e30244e | Sofia Papagiannaki | def get_signup_form(self, provider='local', instance=None): |
153 | 15efc749 | Sofia Papagiannaki | """
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154 | 0a569195 | Sofia Papagiannaki | Returns the form class
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155 | 0a569195 | Sofia Papagiannaki |
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156 | 0a569195 | Sofia Papagiannaki | raises Invitation.DoesNotExist and ValueError if invitation is consumed
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157 | 0a569195 | Sofia Papagiannaki | or invitation username is reserved.
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158 | 15efc749 | Sofia Papagiannaki | """
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159 | 0a569195 | Sofia Papagiannaki | self.invitation = get_invitation(self.request) |
160 | 0a569195 | Sofia Papagiannaki | invitation = self.invitation
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161 | 0a569195 | Sofia Papagiannaki | initial_data = self.get_signup_initial_data(provider)
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162 | 0a569195 | Sofia Papagiannaki | prefix = 'Invited' if invitation else '' |
163 | 0a569195 | Sofia Papagiannaki | main = provider.capitalize() |
164 | 0a569195 | Sofia Papagiannaki | suffix = 'UserCreationForm'
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165 | 0a569195 | Sofia Papagiannaki | formclass = '%s%s%s' % (prefix, main, suffix)
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166 | 0a569195 | Sofia Papagiannaki | return globals()[formclass](initial_data, instance=instance, request=self.request) |
167 | bef3bf46 | Kostas Papadimitriou | |
168 | 15efc749 | Sofia Papagiannaki | def get_signup_initial_data(self, provider): |
169 | 890b0eaf | Sofia Papagiannaki | """
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170 | 18ffbee1 | Sofia Papagiannaki | Returns the necassary activation form depending the user is invited or not
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171 | bef3bf46 | Kostas Papadimitriou |
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172 | 890b0eaf | Sofia Papagiannaki | Throws Invitation.DoesNotExist in case ``code`` is not valid.
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173 | 890b0eaf | Sofia Papagiannaki | """
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174 | 5ed6816e | Sofia Papagiannaki | request = self.request
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175 | 15efc749 | Sofia Papagiannaki | invitation = self.invitation
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176 | 65d85494 | Sofia Papagiannaki | initial_data = None
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177 | 890b0eaf | Sofia Papagiannaki | if request.method == 'GET': |
178 | 15efc749 | Sofia Papagiannaki | if invitation:
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179 | 65d85494 | Sofia Papagiannaki | # create a tmp user with the invitation realname
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180 | 65d85494 | Sofia Papagiannaki | # to extract first and last name
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181 | 15efc749 | Sofia Papagiannaki | u = AstakosUser(realname = invitation.realname) |
182 | 15efc749 | Sofia Papagiannaki | initial_data = {'email':invitation.username,
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183 | 15efc749 | Sofia Papagiannaki | 'inviter':invitation.inviter.realname,
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184 | 65d85494 | Sofia Papagiannaki | 'first_name':u.first_name,
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185 | 4e30244e | Sofia Papagiannaki | 'last_name':u.last_name,
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186 | 4e30244e | Sofia Papagiannaki | 'provider':provider}
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187 | 15efc749 | Sofia Papagiannaki | else:
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188 | 15efc749 | Sofia Papagiannaki | if provider == request.POST.get('provider', ''): |
189 | 15efc749 | Sofia Papagiannaki | initial_data = request.POST |
190 | 15efc749 | Sofia Papagiannaki | return initial_data
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191 | bef3bf46 | Kostas Papadimitriou | |
192 | 890b0eaf | Sofia Papagiannaki | def _is_preaccepted(self, user): |
193 | 890b0eaf | Sofia Papagiannaki | """
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194 | 890b0eaf | Sofia Papagiannaki | If there is a valid, not-consumed invitation code for the specific user
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195 | 890b0eaf | Sofia Papagiannaki | returns True else returns False.
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196 | 890b0eaf | Sofia Papagiannaki | """
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197 | 8316698a | Sofia Papagiannaki | if super(InvitationsBackend, self)._is_preaccepted(user): |
198 | 8316698a | Sofia Papagiannaki | return True |
199 | 5ed6816e | Sofia Papagiannaki | invitation = self.invitation
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200 | 890b0eaf | Sofia Papagiannaki | if not invitation: |
201 | 890b0eaf | Sofia Papagiannaki | return False |
202 | 5ed6816e | Sofia Papagiannaki | if invitation.username == user.email and not invitation.is_consumed: |
203 | 5ed6816e | Sofia Papagiannaki | invitation.consume() |
204 | 890b0eaf | Sofia Papagiannaki | return True |
205 | 890b0eaf | Sofia Papagiannaki | return False |
206 | bef3bf46 | Kostas Papadimitriou | |
207 | 0a569195 | Sofia Papagiannaki | class SimpleBackend(ActivationBackend): |
208 | 890b0eaf | Sofia Papagiannaki | """
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209 | 18ffbee1 | Sofia Papagiannaki | A activation backend which implements the following workflow: a user
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210 | 890b0eaf | Sofia Papagiannaki | supplies the necessary registation information, an incative user account is
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211 | 890b0eaf | Sofia Papagiannaki | created and receives an email in order to activate his/her account.
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212 | 890b0eaf | Sofia Papagiannaki | """
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213 | 5ed6816e | Sofia Papagiannaki | def __init__(self, request): |
214 | 5ed6816e | Sofia Papagiannaki | self.request = request
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215 | 8316698a | Sofia Papagiannaki | super(SimpleBackend, self).__init__() |
216 | 8316698a | Sofia Papagiannaki | |
217 | 8316698a | Sofia Papagiannaki | def _is_preaccepted(self, user): |
218 | 8316698a | Sofia Papagiannaki | if super(SimpleBackend, self)._is_preaccepted(user): |
219 | 8316698a | Sofia Papagiannaki | return True |
220 | 8316698a | Sofia Papagiannaki | if MODERATION_ENABLED:
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221 | 8316698a | Sofia Papagiannaki | return False |
222 | 8316698a | Sofia Papagiannaki | return True |
223 | 8f5a3a06 | Sofia Papagiannaki | |
224 | 8f5a3a06 | Sofia Papagiannaki | class ActivationResult(object): |
225 | 8f5a3a06 | Sofia Papagiannaki | def __init__(self, message): |
226 | 8f5a3a06 | Sofia Papagiannaki | self.message = message
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227 | 8f5a3a06 | Sofia Papagiannaki | |
228 | 8f5a3a06 | Sofia Papagiannaki | class VerificationSent(ActivationResult): |
229 | 8f5a3a06 | Sofia Papagiannaki | def __init__(self): |
230 | 8f5a3a06 | Sofia Papagiannaki | message = _('Verification sent.')
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231 | 8f5a3a06 | Sofia Papagiannaki | super(VerificationSent, self).__init__(message) |
232 | 8f5a3a06 | Sofia Papagiannaki | |
233 | 0a569195 | Sofia Papagiannaki | class SwitchAccountsVerificationSent(ActivationResult): |
234 | 0a569195 | Sofia Papagiannaki | def __init__(self, email): |
235 | 0a569195 | Sofia Papagiannaki | message = _('This email is already associated with another \
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236 | 0a569195 | Sofia Papagiannaki | local account. To change this account to a shibboleth \
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237 | 0a569195 | Sofia Papagiannaki | one follow the link in the verification email sent \
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238 | 0a569195 | Sofia Papagiannaki | to %s. Otherwise just ignore it.' % email)
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239 | 0a569195 | Sofia Papagiannaki | super(SwitchAccountsVerificationSent, self).__init__(message) |
240 | 0a569195 | Sofia Papagiannaki | |
241 | 8f5a3a06 | Sofia Papagiannaki | class NotificationSent(ActivationResult): |
242 | 8f5a3a06 | Sofia Papagiannaki | def __init__(self): |
243 | 8f5a3a06 | Sofia Papagiannaki | message = _('Your request for an account was successfully received and is now pending \
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244 | 8f5a3a06 | Sofia Papagiannaki | approval. You will be notified by email in the next few days. Thanks for \
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245 | 8f5a3a06 | Sofia Papagiannaki | your interest in ~okeanos! The GRNET team.')
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246 | 8f5a3a06 | Sofia Papagiannaki | super(NotificationSent, self).__init__(message) |
247 | 8f5a3a06 | Sofia Papagiannaki | |
248 | 8f5a3a06 | Sofia Papagiannaki | class RegistationCompleted(ActivationResult): |
249 | 8f5a3a06 | Sofia Papagiannaki | def __init__(self): |
250 | 8f5a3a06 | Sofia Papagiannaki | message = _('Registration completed. You can now login.')
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251 | 18ffbee1 | Sofia Papagiannaki | super(RegistationCompleted, self).__init__(message) |