root / invitations / invitations.py @ 68a77896
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1 | f1bb3880 | Georgios Gousios | # vim: set fileencoding=utf-8 :
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2 | 48130e66 | Georgios Gousios | # Copyright 2011 GRNET S.A. All rights reserved.
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3 | 48130e66 | Georgios Gousios | #
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4 | 48130e66 | Georgios Gousios | # Redistribution and use in source and binary forms, with or without
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5 | 48130e66 | Georgios Gousios | # modification, are permitted provided that the following conditions
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6 | 48130e66 | Georgios Gousios | # are met:
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7 | 48130e66 | Georgios Gousios | #
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8 | 48130e66 | Georgios Gousios | # 1. Redistributions of source code must retain the above copyright
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9 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer.
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10 | 48130e66 | Georgios Gousios | #
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11 | 48130e66 | Georgios Gousios | # 2. Redistributions in binary form must reproduce the above copyright
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12 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer in the
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13 | 48130e66 | Georgios Gousios | # documentation and/or other materials provided with the distribution.
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14 | 48130e66 | Georgios Gousios | #
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15 | 48130e66 | Georgios Gousios | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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16 | 48130e66 | Georgios Gousios | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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17 | 48130e66 | Georgios Gousios | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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18 | 48130e66 | Georgios Gousios | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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19 | 48130e66 | Georgios Gousios | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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20 | 48130e66 | Georgios Gousios | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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21 | 48130e66 | Georgios Gousios | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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22 | 48130e66 | Georgios Gousios | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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23 | 48130e66 | Georgios Gousios | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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24 | 48130e66 | Georgios Gousios | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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25 | 48130e66 | Georgios Gousios | # SUCH DAMAGE.
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26 | 48130e66 | Georgios Gousios | #
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27 | 48130e66 | Georgios Gousios | # The views and conclusions contained in the software and documentation are
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28 | 48130e66 | Georgios Gousios | # those of the authors and should not be interpreted as representing official
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29 | 48130e66 | Georgios Gousios | # policies, either expressed or implied, of GRNET S.A.
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30 | 48130e66 | Georgios Gousios | |
31 | 48130e66 | Georgios Gousios | |
32 | e6d6603a | Georgios Gousios | from datetime import timedelta |
33 | e6d6603a | Georgios Gousios | import base64 |
34 | 3b09ff22 | Georgios Gousios | import time |
35 | 3b09ff22 | Georgios Gousios | import urllib |
36 | e6d6603a | Georgios Gousios | |
37 | 03e70572 | Georgios Gousios | from django.conf import settings |
38 | 566cd8b2 | Georgios Gousios | from django.core.exceptions import ValidationError |
39 | 03e70572 | Georgios Gousios | from django.db import transaction |
40 | 03e70572 | Georgios Gousios | from django.http import HttpResponse, HttpResponseRedirect |
41 | a640b50d | Georgios Gousios | from django.template.context import RequestContext |
42 | 2a0eee64 | Georgios Gousios | from django.template.loader import render_to_string |
43 | 566cd8b2 | Georgios Gousios | from django.core.validators import validate_email |
44 | a640b50d | Georgios Gousios | from django.views.decorators.csrf import csrf_protect |
45 | 68a77896 | Georgios Gousios | from django.utils.translation import ugettext as _ |
46 | 566cd8b2 | Georgios Gousios | |
47 | d028ab18 | Georgios Gousios | from synnefo.logic.email_send import send_async |
48 | 03e70572 | Georgios Gousios | from synnefo.api.common import method_not_allowed |
49 | 03e70572 | Georgios Gousios | from synnefo.db.models import Invitations, SynnefoUser |
50 | d028ab18 | Georgios Gousios | from synnefo.logic import users, log |
51 | e6d6603a | Georgios Gousios | |
52 | e6d6603a | Georgios Gousios | from Crypto.Cipher import AES |
53 | 03e70572 | Georgios Gousios | |
54 | d028ab18 | Georgios Gousios | _logger = log.get_logger("synnefo.invitations")
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55 | f1bb3880 | Georgios Gousios | |
56 | e6d6603a | Georgios Gousios | def process_form(request): |
57 | a640b50d | Georgios Gousios | errors = [] |
58 | 566cd8b2 | Georgios Gousios | valid_inv = filter(lambda x: x.startswith("name_"), request.POST.keys()) |
59 | 566cd8b2 | Georgios Gousios | |
60 | 566cd8b2 | Georgios Gousios | for inv in valid_inv: |
61 | 566cd8b2 | Georgios Gousios | (name, inv_id) = inv.split('_')
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62 | 566cd8b2 | Georgios Gousios | |
63 | 05310288 | Georgios Gousios | email = ""
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64 | 05310288 | Georgios Gousios | name = ""
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65 | 566cd8b2 | Georgios Gousios | try:
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66 | 566cd8b2 | Georgios Gousios | email = request.POST['email_' + inv_id]
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67 | 566cd8b2 | Georgios Gousios | name = request.POST[inv] |
68 | 566cd8b2 | Georgios Gousios | |
69 | 566cd8b2 | Georgios Gousios | validate_name(name) |
70 | a640b50d | Georgios Gousios | validate_email(email) |
71 | a640b50d | Georgios Gousios | |
72 | e6d6603a | Georgios Gousios | inv = add_invitation(request.user, name, email) |
73 | 3b09ff22 | Georgios Gousios | send_invitation(inv) |
74 | d028ab18 | Georgios Gousios | # FIXME: Delete invitation and user on error
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75 | d028ab18 | Georgios Gousios | except (InvitationException, ValidationError) as e: |
76 | d028ab18 | Georgios Gousios | errors += ["Invitation to %s <%s> not sent. Reason: %s" %
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77 | d028ab18 | Georgios Gousios | (name, email, e.messages[0])]
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78 | 566cd8b2 | Georgios Gousios | except Exception as e: |
79 | d028ab18 | Georgios Gousios | _logger.exception(e) |
80 | d028ab18 | Georgios Gousios | errors += ["Invitation to %s <%s> not sent. Reason: %s" %
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81 | d028ab18 | Georgios Gousios | (name, email, e.message)] |
82 | a640b50d | Georgios Gousios | |
83 | a640b50d | Georgios Gousios | respose = None
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84 | a640b50d | Georgios Gousios | if errors:
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85 | a640b50d | Georgios Gousios | data = render_to_string('invitations.html',
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86 | a640b50d | Georgios Gousios | {'invitations': invitations_for_user(request),
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87 | a640b50d | Georgios Gousios | 'errors': errors},
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88 | a640b50d | Georgios Gousios | context_instance=RequestContext(request)) |
89 | a640b50d | Georgios Gousios | response = HttpResponse(data) |
90 | a640b50d | Georgios Gousios | else:
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91 | a640b50d | Georgios Gousios | response = HttpResponseRedirect("/invitations/")
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92 | 566cd8b2 | Georgios Gousios | |
93 | 566cd8b2 | Georgios Gousios | return response
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94 | 566cd8b2 | Georgios Gousios | |
95 | f1bb3880 | Georgios Gousios | |
96 | 566cd8b2 | Georgios Gousios | def validate_name(name): |
97 | 68a77896 | Georgios Gousios | if name is None or name.strip() == '': |
98 | a640b50d | Georgios Gousios | raise ValidationError("Name is empty") |
99 | a640b50d | Georgios Gousios | |
100 | a640b50d | Georgios Gousios | if name.find(' ') is -1: |
101 | a640b50d | Georgios Gousios | raise ValidationError("Name must contain at least one space") |
102 | 03e70572 | Georgios Gousios | |
103 | 566cd8b2 | Georgios Gousios | return True |
104 | 566cd8b2 | Georgios Gousios | |
105 | f1bb3880 | Georgios Gousios | |
106 | 566cd8b2 | Georgios Gousios | def invitations_for_user(request): |
107 | 566cd8b2 | Georgios Gousios | invitations = [] |
108 | 566cd8b2 | Georgios Gousios | |
109 | 566cd8b2 | Georgios Gousios | for inv in Invitations.objects.filter(source = request.user): |
110 | e6d6603a | Georgios Gousios | invitation = {} |
111 | 566cd8b2 | Georgios Gousios | |
112 | e6d6603a | Georgios Gousios | invitation['sourcename'] = inv.source.realname
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113 | e6d6603a | Georgios Gousios | invitation['source'] = inv.source.uniq
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114 | e6d6603a | Georgios Gousios | invitation['targetname'] = inv.target.realname
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115 | e6d6603a | Georgios Gousios | invitation['target'] = inv.target.uniq
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116 | e6d6603a | Georgios Gousios | invitation['accepted'] = inv.accepted
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117 | e6d6603a | Georgios Gousios | invitation['sent'] = inv.created
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118 | 566cd8b2 | Georgios Gousios | |
119 | e6d6603a | Georgios Gousios | invitations.append(invitation) |
120 | 566cd8b2 | Georgios Gousios | |
121 | e6d6603a | Georgios Gousios | return invitations
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122 | 03e70572 | Georgios Gousios | |
123 | f1bb3880 | Georgios Gousios | |
124 | a640b50d | Georgios Gousios | @csrf_protect
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125 | 03e70572 | Georgios Gousios | def inv_demux(request): |
126 | 3b09ff22 | Georgios Gousios | |
127 | 03e70572 | Georgios Gousios | if request.method == 'GET': |
128 | 566cd8b2 | Georgios Gousios | data = render_to_string('invitations.html',
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129 | a640b50d | Georgios Gousios | {'invitations': invitations_for_user(request)},
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130 | a640b50d | Georgios Gousios | context_instance=RequestContext(request)) |
131 | 03e70572 | Georgios Gousios | return HttpResponse(data)
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132 | 03e70572 | Georgios Gousios | elif request.method == 'POST': |
133 | e6d6603a | Georgios Gousios | return process_form(request)
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134 | 03e70572 | Georgios Gousios | else:
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135 | 03e70572 | Georgios Gousios | method_not_allowed(request) |
136 | 03e70572 | Georgios Gousios | |
137 | 33e00f02 | Georgios Gousios | |
138 | 3b09ff22 | Georgios Gousios | def login(request): |
139 | 3b09ff22 | Georgios Gousios | |
140 | 3b09ff22 | Georgios Gousios | if not request.method == 'GET': |
141 | 3b09ff22 | Georgios Gousios | method_not_allowed(request) |
142 | 3b09ff22 | Georgios Gousios | |
143 | 3b09ff22 | Georgios Gousios | key = request.GET['key']
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144 | 3b09ff22 | Georgios Gousios | |
145 | 3b09ff22 | Georgios Gousios | if key is None: |
146 | 914502af | Georgios Gousios | return render_login_error("10", "Required key is missing") |
147 | 3b09ff22 | Georgios Gousios | |
148 | 3b09ff22 | Georgios Gousios | PADDING = '{'
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149 | 3b09ff22 | Georgios Gousios | |
150 | 68a77896 | Georgios Gousios | try:
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151 | 914502af | Georgios Gousios | DecodeAES = lambda c, e: c.decrypt(base64.b64decode(e)).rstrip(PADDING)
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152 | 914502af | Georgios Gousios | cipher = AES.new(settings.INVITATION_ENCR_KEY) |
153 | 914502af | Georgios Gousios | decoded = DecodeAES(cipher, key) |
154 | 914502af | Georgios Gousios | except Exception: |
155 | 914502af | Georgios Gousios | return render_login_error("20", "Required key is invalid") |
156 | 3b09ff22 | Georgios Gousios | |
157 | 3b09ff22 | Georgios Gousios | users = SynnefoUser.objects.filter(auth_token = decoded) |
158 | 3b09ff22 | Georgios Gousios | |
159 | 3b09ff22 | Georgios Gousios | if users.count() is 0: |
160 | 914502af | Georgios Gousios | return render_login_error("20", "Required key is invalid") |
161 | 3b09ff22 | Georgios Gousios | |
162 | 3b09ff22 | Georgios Gousios | user = users[0]
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163 | 3b09ff22 | Georgios Gousios | invitations = Invitations.objects.filter(target = user) |
164 | 3b09ff22 | Georgios Gousios | |
165 | 3b09ff22 | Georgios Gousios | if invitations.count() is 0: |
166 | 914502af | Georgios Gousios | return render_login_error("30", "Non-existent invitation") |
167 | f1bb3880 | Georgios Gousios | |
168 | 3b09ff22 | Georgios Gousios | inv = invitations[0]
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169 | 3b09ff22 | Georgios Gousios | |
170 | 3b09ff22 | Georgios Gousios | valid = timedelta(days = settings.INVITATION_VALID_DAYS) |
171 | 3b09ff22 | Georgios Gousios | valid_until = inv.created + valid |
172 | 3b09ff22 | Georgios Gousios | |
173 | 3b09ff22 | Georgios Gousios | if (time.time() -
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174 | 3b09ff22 | Georgios Gousios | time.mktime(inv.created.timetuple()) - |
175 | 3b09ff22 | Georgios Gousios | settings.INVITATION_VALID_DAYS * 3600) > 0: |
176 | 914502af | Georgios Gousios | return render_login_error("40", |
177 | 914502af | Georgios Gousios | "Invitation expired (was valid until %s)"%
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178 | 914502af | Georgios Gousios | valid_until.strftime('%A, %d %B %Y'))
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179 | 914502af | Georgios Gousios | #if inv.accepted == False:
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180 | 914502af | Georgios Gousios | # return render_login_error("60", "Invitation already accepted")
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181 | 3b09ff22 | Georgios Gousios | |
182 | 3b09ff22 | Georgios Gousios | inv.accepted = True
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183 | 3b09ff22 | Georgios Gousios | inv.save() |
184 | 3b09ff22 | Georgios Gousios | |
185 | 914502af | Georgios Gousios | data = dict()
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186 | 914502af | Georgios Gousios | data['user'] = user.realname
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187 | 914502af | Georgios Gousios | data['url'] = settings.APP_INSTALL_URL
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188 | 914502af | Georgios Gousios | |
189 | 914502af | Georgios Gousios | welcome = render_to_string('welcome.html', {'data': data}) |
190 | 914502af | Georgios Gousios | |
191 | 914502af | Georgios Gousios | response = HttpResponse(welcome) |
192 | 3b09ff22 | Georgios Gousios | |
193 | 3b09ff22 | Georgios Gousios | response.set_cookie('X-Auth-Token', value=user.auth_token,
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194 | 3b09ff22 | Georgios Gousios | expires = valid_until.strftime('%a, %d-%b-%Y %H:%M:%S %Z'),
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195 | 3b09ff22 | Georgios Gousios | path='/')
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196 | 3b09ff22 | Georgios Gousios | response['X-Auth-Token'] = user.auth_token
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197 | 914502af | Georgios Gousios | return response
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198 | 914502af | Georgios Gousios | |
199 | 914502af | Georgios Gousios | |
200 | 914502af | Georgios Gousios | def render_login_error(code, text): |
201 | 914502af | Georgios Gousios | error = dict()
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202 | 914502af | Georgios Gousios | error['id'] = code
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203 | 914502af | Georgios Gousios | error['text'] = text
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204 | 914502af | Georgios Gousios | |
205 | 914502af | Georgios Gousios | data = render_to_string('error.html', {'error': error}) |
206 | 914502af | Georgios Gousios | |
207 | 914502af | Georgios Gousios | response = HttpResponse(data) |
208 | 3b09ff22 | Georgios Gousios | return response
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209 | 3b09ff22 | Georgios Gousios | |
210 | 3b09ff22 | Georgios Gousios | |
211 | 3b09ff22 | Georgios Gousios | def send_invitation(invitation): |
212 | e6d6603a | Georgios Gousios | email = {} |
213 | e6d6603a | Georgios Gousios | email['invitee'] = invitation.target.realname
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214 | e6d6603a | Georgios Gousios | email['inviter'] = invitation.source.realname
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215 | e6d6603a | Georgios Gousios | |
216 | e6d6603a | Georgios Gousios | valid = timedelta(days = settings.INVITATION_VALID_DAYS) |
217 | e6d6603a | Georgios Gousios | valid_until = invitation.created + valid |
218 | e6d6603a | Georgios Gousios | email['valid_until'] = valid_until.strftime('%A, %d %B %Y') |
219 | e6d6603a | Georgios Gousios | |
220 | e6d6603a | Georgios Gousios | PADDING = '{'
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221 | e6d6603a | Georgios Gousios | pad = lambda s: s + (32 - len(s) % 32) * PADDING |
222 | e6d6603a | Georgios Gousios | EncodeAES = lambda c, s: base64.b64encode(c.encrypt(pad(s)))
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223 | e6d6603a | Georgios Gousios | |
224 | e6d6603a | Georgios Gousios | cipher = AES.new(settings.INVITATION_ENCR_KEY) |
225 | e6d6603a | Georgios Gousios | encoded = EncodeAES(cipher, invitation.target.auth_token) |
226 | e6d6603a | Georgios Gousios | |
227 | 3b09ff22 | Georgios Gousios | url_safe = urllib.urlencode({'key': encoded})
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228 | 3b09ff22 | Georgios Gousios | |
229 | 3b09ff22 | Georgios Gousios | email['url'] = settings.APP_INSTALL_URL + "/invitations/login?" + url_safe |
230 | e6d6603a | Georgios Gousios | |
231 | e6d6603a | Georgios Gousios | data = render_to_string('invitation.txt', {'email': email}) |
232 | 3b09ff22 | Georgios Gousios | |
233 | f1bb3880 | Georgios Gousios | send_async( |
234 | f1bb3880 | Georgios Gousios | frm = "%s <%s>"%(invitation.source.realname,invitation.source.uniq),
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235 | f1bb3880 | Georgios Gousios | to = "%s <%s>"%(invitation.target.realname,invitation.target.uniq),
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236 | 68a77896 | Georgios Gousios | subject = _('Invitation to IaaS service Okeanos'),
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237 | f1bb3880 | Georgios Gousios | body = data |
238 | f1bb3880 | Georgios Gousios | ) |
239 | f1bb3880 | Georgios Gousios | |
240 | 9f8ad4c5 | Georgios Gousios | def get_invitee_level(source): |
241 | 9f8ad4c5 | Georgios Gousios | return get_user_inv_level(source) + 1 |
242 | 9f8ad4c5 | Georgios Gousios | |
243 | 9f8ad4c5 | Georgios Gousios | |
244 | 9f8ad4c5 | Georgios Gousios | def get_user_inv_level(u): |
245 | 9f8ad4c5 | Georgios Gousios | inv = Invitations.objects.filter(target = u) |
246 | 9f8ad4c5 | Georgios Gousios | |
247 | 9f8ad4c5 | Georgios Gousios | if inv is None: |
248 | 9f8ad4c5 | Georgios Gousios | raise Exception("User without invitation", u) |
249 | 9f8ad4c5 | Georgios Gousios | |
250 | 9f8ad4c5 | Georgios Gousios | return inv[0].level |
251 | 9f8ad4c5 | Georgios Gousios | |
252 | 9f8ad4c5 | Georgios Gousios | |
253 | 03e70572 | Georgios Gousios | @transaction.commit_on_success
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254 | 03e70572 | Georgios Gousios | def add_invitation(source, name, email): |
255 | 03e70572 | Georgios Gousios | """
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256 | 03e70572 | Georgios Gousios | Adds an invitation, if the source user has not gone over his/her
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257 | 33e00f02 | Georgios Gousios | invitation limit or the target user has not been invited already
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258 | 03e70572 | Georgios Gousios | """
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259 | 03e70572 | Georgios Gousios | num_inv = Invitations.objects.filter(source = source).count() |
260 | 03e70572 | Georgios Gousios | |
261 | 33e00f02 | Georgios Gousios | if num_inv >= source.max_invitations:
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262 | d652580d | Georgios Gousios | raise TooManyInvitations("User invitation limit (%d) exhausted" % |
263 | 33e00f02 | Georgios Gousios | source.max_invitations) |
264 | 03e70572 | Georgios Gousios | |
265 | f1bb3880 | Georgios Gousios | target = SynnefoUser.objects.filter(uniq = email) |
266 | 03e70572 | Georgios Gousios | |
267 | 03e70572 | Georgios Gousios | if target.count() is not 0: |
268 | f1bb3880 | Georgios Gousios | raise AlreadyInvited("User with email %s already invited" % (email)) |
269 | 03e70572 | Georgios Gousios | |
270 | 53e6717b | Georgios Gousios | users.register_user(name, email) |
271 | 53e6717b | Georgios Gousios | |
272 | 53e6717b | Georgios Gousios | target = SynnefoUser.objects.filter(uniq = email) |
273 | 53e6717b | Georgios Gousios | |
274 | 53e6717b | Georgios Gousios | r = list(target[:1]) |
275 | 53e6717b | Georgios Gousios | if not r: |
276 | bd1548a7 | Georgios Gousios | raise Exception("Invited user cannot be added") |
277 | 03e70572 | Georgios Gousios | |
278 | 9f8ad4c5 | Georgios Gousios | u = target[0]
|
279 | 9f8ad4c5 | Georgios Gousios | invitee_level = get_invitee_level(source) |
280 | 9f8ad4c5 | Georgios Gousios | |
281 | 9f8ad4c5 | Georgios Gousios | u.max_invitations = settings.INVITATIONS_PER_LEVEL[invitee_level] |
282 | 9f8ad4c5 | Georgios Gousios | u.save() |
283 | 9f8ad4c5 | Georgios Gousios | |
284 | 03e70572 | Georgios Gousios | inv = Invitations() |
285 | 03e70572 | Georgios Gousios | inv.source = source |
286 | 9f8ad4c5 | Georgios Gousios | inv.target = u |
287 | 9f8ad4c5 | Georgios Gousios | inv.level = invitee_level |
288 | 03e70572 | Georgios Gousios | inv.save() |
289 | e6d6603a | Georgios Gousios | return inv
|
290 | 03e70572 | Georgios Gousios | |
291 | f1bb3880 | Georgios Gousios | |
292 | 03e70572 | Georgios Gousios | @transaction.commit_on_success
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293 | 03e70572 | Georgios Gousios | def invitation_accepted(invitation): |
294 | 03e70572 | Georgios Gousios | """
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295 | 03e70572 | Georgios Gousios | Mark an invitation as accepted
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296 | 03e70572 | Georgios Gousios | """
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297 | 03e70572 | Georgios Gousios | invitation.accepted = True
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298 | 03e70572 | Georgios Gousios | invitation.save() |
299 | 03e70572 | Georgios Gousios | |
300 | d028ab18 | Georgios Gousios | class InvitationException(Exception): |
301 | f1bb3880 | Georgios Gousios | messages = [] |
302 | a640b50d | Georgios Gousios | |
303 | d028ab18 | Georgios Gousios | class TooManyInvitations(InvitationException): |
304 | d028ab18 | Georgios Gousios | |
305 | a640b50d | Georgios Gousios | def __init__(self, msg): |
306 | a640b50d | Georgios Gousios | self.messages.append(msg)
|
307 | 03e70572 | Georgios Gousios | |
308 | 03e70572 | Georgios Gousios | |
309 | d028ab18 | Georgios Gousios | class AlreadyInvited(InvitationException): |
310 | 03e70572 | Georgios Gousios | |
311 | 03e70572 | Georgios Gousios | def __init__(self, msg): |
312 | a640b50d | Georgios Gousios | self.messages.append(msg) |