root / invitations / invitations.py @ 4af67649
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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 | 0fbab7db | Vangelis Koukis | import datetime |
34 | e6d6603a | Georgios Gousios | import base64 |
35 | 3b09ff22 | Georgios Gousios | import urllib |
36 | 4f8e7c6d | Georgios Gousios | import re |
37 | e6d6603a | Georgios Gousios | |
38 | 03e70572 | Georgios Gousios | from django.conf import settings |
39 | 566cd8b2 | Georgios Gousios | from django.core.exceptions import ValidationError |
40 | 03e70572 | Georgios Gousios | from django.db import transaction |
41 | 0230cd3a | Vangelis Koukis | from django.http import HttpResponse, HttpResponseRedirect, \ |
42 | 0230cd3a | Vangelis Koukis | HttpResponseBadRequest, HttpResponseServerError |
43 | a640b50d | Georgios Gousios | from django.template.context import RequestContext |
44 | 2a0eee64 | Georgios Gousios | from django.template.loader import render_to_string |
45 | 566cd8b2 | Georgios Gousios | from django.core.validators import validate_email |
46 | a640b50d | Georgios Gousios | from django.views.decorators.csrf import csrf_protect |
47 | b6b88056 | Kostas Papadimitriou | from django.utils.translation import ugettext as _ |
48 | 566cd8b2 | Georgios Gousios | |
49 | 670a350a | Georgios Gousios | from synnefo.logic.email_send import send_async, send |
50 | 03e70572 | Georgios Gousios | from synnefo.api.common import method_not_allowed |
51 | 03e70572 | Georgios Gousios | from synnefo.db.models import Invitations, SynnefoUser |
52 | d028ab18 | Georgios Gousios | from synnefo.logic import users, log |
53 | e6d6603a | Georgios Gousios | |
54 | e6d6603a | Georgios Gousios | from Crypto.Cipher import AES |
55 | 03e70572 | Georgios Gousios | |
56 | d028ab18 | Georgios Gousios | _logger = log.get_logger("synnefo.invitations")
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57 | f1bb3880 | Georgios Gousios | |
58 | 0230cd3a | Vangelis Koukis | |
59 | e6d6603a | Georgios Gousios | def process_form(request): |
60 | a640b50d | Georgios Gousios | errors = [] |
61 | 566cd8b2 | Georgios Gousios | valid_inv = filter(lambda x: x.startswith("name_"), request.POST.keys()) |
62 | ecb4680f | Georgios Gousios | invitation = None
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63 | 566cd8b2 | Georgios Gousios | |
64 | 566cd8b2 | Georgios Gousios | for inv in valid_inv: |
65 | 566cd8b2 | Georgios Gousios | (name, inv_id) = inv.split('_')
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66 | 566cd8b2 | Georgios Gousios | |
67 | 05310288 | Georgios Gousios | email = ""
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68 | 05310288 | Georgios Gousios | name = ""
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69 | 566cd8b2 | Georgios Gousios | try:
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70 | 566cd8b2 | Georgios Gousios | email = request.POST['email_' + inv_id]
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71 | 566cd8b2 | Georgios Gousios | name = request.POST[inv] |
72 | 566cd8b2 | Georgios Gousios | |
73 | 566cd8b2 | Georgios Gousios | validate_name(name) |
74 | a640b50d | Georgios Gousios | validate_email(email) |
75 | a640b50d | Georgios Gousios | |
76 | ecb4680f | Georgios Gousios | invitation = add_invitation(request.user, name, email) |
77 | ecb4680f | Georgios Gousios | send_invitation(invitation) |
78 | a640b50d | Georgios Gousios | |
79 | d028ab18 | Georgios Gousios | except (InvitationException, ValidationError) as e: |
80 | d028ab18 | Georgios Gousios | errors += ["Invitation to %s <%s> not sent. Reason: %s" %
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81 | b6b88056 | Kostas Papadimitriou | (name, email, e.messages[0])]
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82 | 566cd8b2 | Georgios Gousios | except Exception as e: |
83 | ecb4680f | Georgios Gousios | remove_invitation(invitation) |
84 | d028ab18 | Georgios Gousios | _logger.exception(e) |
85 | 0230cd3a | Vangelis Koukis | errors += ["Invitation to %s <%s> could not be sent. An unexpected"
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86 | 0230cd3a | Vangelis Koukis | " error occurred. Please try again later." %
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87 | 0230cd3a | Vangelis Koukis | (name, email)] |
88 | a640b50d | Georgios Gousios | |
89 | 0230cd3a | Vangelis Koukis | response = None
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90 | a640b50d | Georgios Gousios | if errors:
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91 | a640b50d | Georgios Gousios | data = render_to_string('invitations.html',
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92 | c00e4507 | Vangelis Koukis | {'invitations':
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93 | c00e4507 | Vangelis Koukis | invitations_for_user(request), |
94 | c00e4507 | Vangelis Koukis | 'errors':
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95 | c00e4507 | Vangelis Koukis | errors, |
96 | c00e4507 | Vangelis Koukis | 'invitations_left':
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97 | c00e4507 | Vangelis Koukis | get_invitations_left(request.user)}, |
98 | a640b50d | Georgios Gousios | context_instance=RequestContext(request)) |
99 | c00e4507 | Vangelis Koukis | response = HttpResponse(data) |
100 | 0230cd3a | Vangelis Koukis | _logger.warn("Error adding invitation %s -> %s: %s" %
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101 | 0230cd3a | Vangelis Koukis | (request.user.uniq, email, errors)) |
102 | a640b50d | Georgios Gousios | else:
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103 | 848e6d10 | Kostas Papadimitriou | # form submitted
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104 | 848e6d10 | Kostas Papadimitriou | data = render_to_string('invitations.html',
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105 | c00e4507 | Vangelis Koukis | {'invitations':
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106 | c00e4507 | Vangelis Koukis | invitations_for_user(request), |
107 | c00e4507 | Vangelis Koukis | 'invitations_left':
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108 | c00e4507 | Vangelis Koukis | get_invitations_left(request.user)}, |
109 | 848e6d10 | Kostas Papadimitriou | context_instance=RequestContext(request)) |
110 | 848e6d10 | Kostas Papadimitriou | response = HttpResponse(data) |
111 | 0230cd3a | Vangelis Koukis | _logger.info("Added invitation %s -> %s" % (request.user.uniq, email))
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112 | 566cd8b2 | Georgios Gousios | |
113 | 566cd8b2 | Georgios Gousios | return response
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114 | 566cd8b2 | Georgios Gousios | |
115 | f1bb3880 | Georgios Gousios | |
116 | 566cd8b2 | Georgios Gousios | def validate_name(name): |
117 | 68a77896 | Georgios Gousios | if name is None or name.strip() == '': |
118 | a640b50d | Georgios Gousios | raise ValidationError("Name is empty") |
119 | a640b50d | Georgios Gousios | |
120 | a640b50d | Georgios Gousios | if name.find(' ') is -1: |
121 | b6b88056 | Kostas Papadimitriou | raise ValidationError(_("Name must contain at least one space")) |
122 | 03e70572 | Georgios Gousios | |
123 | 566cd8b2 | Georgios Gousios | return True |
124 | 566cd8b2 | Georgios Gousios | |
125 | f1bb3880 | Georgios Gousios | |
126 | 566cd8b2 | Georgios Gousios | def invitations_for_user(request): |
127 | 566cd8b2 | Georgios Gousios | invitations = [] |
128 | 566cd8b2 | Georgios Gousios | |
129 | d5912f54 | Kostas Papadimitriou | for inv in Invitations.objects.filter(source=request.user).order_by("-id"): |
130 | e6d6603a | Georgios Gousios | invitation = {} |
131 | 566cd8b2 | Georgios Gousios | |
132 | e6d6603a | Georgios Gousios | invitation['sourcename'] = inv.source.realname
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133 | e6d6603a | Georgios Gousios | invitation['source'] = inv.source.uniq
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134 | e6d6603a | Georgios Gousios | invitation['targetname'] = inv.target.realname
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135 | e6d6603a | Georgios Gousios | invitation['target'] = inv.target.uniq
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136 | e6d6603a | Georgios Gousios | invitation['accepted'] = inv.accepted
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137 | e6d6603a | Georgios Gousios | invitation['sent'] = inv.created
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138 | 4f8e7c6d | Georgios Gousios | invitation['id'] = inv.id
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139 | 566cd8b2 | Georgios Gousios | |
140 | e6d6603a | Georgios Gousios | invitations.append(invitation) |
141 | 566cd8b2 | Georgios Gousios | |
142 | e6d6603a | Georgios Gousios | return invitations
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143 | 03e70572 | Georgios Gousios | |
144 | f1bb3880 | Georgios Gousios | |
145 | a640b50d | Georgios Gousios | @csrf_protect
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146 | 03e70572 | Georgios Gousios | def inv_demux(request): |
147 | 3b09ff22 | Georgios Gousios | |
148 | 03e70572 | Georgios Gousios | if request.method == 'GET': |
149 | 566cd8b2 | Georgios Gousios | data = render_to_string('invitations.html',
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150 | c00e4507 | Vangelis Koukis | {'invitations':
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151 | c00e4507 | Vangelis Koukis | invitations_for_user(request), |
152 | c00e4507 | Vangelis Koukis | 'invitations_left':
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153 | c00e4507 | Vangelis Koukis | get_invitations_left(request.user)}, |
154 | a640b50d | Georgios Gousios | context_instance=RequestContext(request)) |
155 | c00e4507 | Vangelis Koukis | return HttpResponse(data)
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156 | 03e70572 | Georgios Gousios | elif request.method == 'POST': |
157 | e6d6603a | Georgios Gousios | return process_form(request)
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158 | 03e70572 | Georgios Gousios | else:
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159 | 03e70572 | Georgios Gousios | method_not_allowed(request) |
160 | 03e70572 | Georgios Gousios | |
161 | 33e00f02 | Georgios Gousios | |
162 | 3b09ff22 | Georgios Gousios | def login(request): |
163 | 3b09ff22 | Georgios Gousios | |
164 | 3b09ff22 | Georgios Gousios | if not request.method == 'GET': |
165 | 3b09ff22 | Georgios Gousios | method_not_allowed(request) |
166 | 3b09ff22 | Georgios Gousios | |
167 | 4af67649 | Giorgos Verigakis | key = request.GET.get('key', None) |
168 | 3b09ff22 | Georgios Gousios | |
169 | 3b09ff22 | Georgios Gousios | if key is None: |
170 | 914502af | Georgios Gousios | return render_login_error("10", "Required key is missing") |
171 | 3b09ff22 | Georgios Gousios | |
172 | 3b09ff22 | Georgios Gousios | PADDING = '{'
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173 | 3b09ff22 | Georgios Gousios | |
174 | 68a77896 | Georgios Gousios | try:
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175 | 914502af | Georgios Gousios | DecodeAES = lambda c, e: c.decrypt(base64.b64decode(e)).rstrip(PADDING)
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176 | 914502af | Georgios Gousios | cipher = AES.new(settings.INVITATION_ENCR_KEY) |
177 | 914502af | Georgios Gousios | decoded = DecodeAES(cipher, key) |
178 | 914502af | Georgios Gousios | except Exception: |
179 | 914502af | Georgios Gousios | return render_login_error("20", "Required key is invalid") |
180 | 3b09ff22 | Georgios Gousios | |
181 | c00e4507 | Vangelis Koukis | users = SynnefoUser.objects.filter(auth_token=decoded) |
182 | 3b09ff22 | Georgios Gousios | |
183 | 3b09ff22 | Georgios Gousios | if users.count() is 0: |
184 | 914502af | Georgios Gousios | return render_login_error("20", "Required key is invalid") |
185 | 3b09ff22 | Georgios Gousios | |
186 | 3b09ff22 | Georgios Gousios | user = users[0]
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187 | c00e4507 | Vangelis Koukis | invitations = Invitations.objects.filter(target=user) |
188 | 3b09ff22 | Georgios Gousios | |
189 | 3b09ff22 | Georgios Gousios | if invitations.count() is 0: |
190 | 914502af | Georgios Gousios | return render_login_error("30", "Non-existent invitation") |
191 | f1bb3880 | Georgios Gousios | |
192 | 3b09ff22 | Georgios Gousios | inv = invitations[0]
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193 | 3b09ff22 | Georgios Gousios | |
194 | 0fbab7db | Vangelis Koukis | valid = timedelta(days=settings.INVITATION_VALID_DAYS) |
195 | 3b09ff22 | Georgios Gousios | valid_until = inv.created + valid |
196 | 0fbab7db | Vangelis Koukis | now = datetime.datetime.now() |
197 | 3b09ff22 | Georgios Gousios | |
198 | 0fbab7db | Vangelis Koukis | if now > valid_until:
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199 | 914502af | Georgios Gousios | return render_login_error("40", |
200 | 0fbab7db | Vangelis Koukis | "Invitation has expired (was valid until " \
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201 | 0fbab7db | Vangelis Koukis | "%s, now is %s" %
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202 | 0fbab7db | Vangelis Koukis | (valid_until.strftime('%A, %d %B %Y'),
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203 | 0fbab7db | Vangelis Koukis | now.strftime('%A, %d %B %Y')))
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204 | 0fbab7db | Vangelis Koukis | |
205 | 73d6073f | Georgios Gousios | # Since the invitation is valid, renew the user's auth token. This also
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206 | 73d6073f | Georgios Gousios | # takes care of cases where the user re-uses the invitation to
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207 | 73d6073f | Georgios Gousios | # login when the original token has expired
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208 | c00e4507 | Vangelis Koukis | from synnefo.logic import users # redefine 'users' |
209 | 73d6073f | Georgios Gousios | users.set_auth_token_expires(user, valid_until) |
210 | 73d6073f | Georgios Gousios | |
211 | 914502af | Georgios Gousios | #if inv.accepted == False:
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212 | 914502af | Georgios Gousios | # return render_login_error("60", "Invitation already accepted")
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213 | 3b09ff22 | Georgios Gousios | |
214 | 3b09ff22 | Georgios Gousios | inv.accepted = True
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215 | 3b09ff22 | Georgios Gousios | inv.save() |
216 | 3b09ff22 | Georgios Gousios | |
217 | c00e4507 | Vangelis Koukis | _logger.info("Invited user %s logged in", inv.target.uniq)
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218 | 25c36228 | Georgios Gousios | |
219 | 914502af | Georgios Gousios | data = dict()
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220 | 914502af | Georgios Gousios | data['user'] = user.realname
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221 | 914502af | Georgios Gousios | data['url'] = settings.APP_INSTALL_URL
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222 | 914502af | Georgios Gousios | |
223 | 914502af | Georgios Gousios | welcome = render_to_string('welcome.html', {'data': data}) |
224 | 914502af | Georgios Gousios | |
225 | 914502af | Georgios Gousios | response = HttpResponse(welcome) |
226 | 3b09ff22 | Georgios Gousios | |
227 | c00e4507 | Vangelis Koukis | response.set_cookie('X-Auth-Token',
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228 | c00e4507 | Vangelis Koukis | value=user.auth_token, |
229 | c00e4507 | Vangelis Koukis | expires=valid_until.strftime('%a, %d-%b-%Y %H:%M:%S %Z'),
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230 | 3b09ff22 | Georgios Gousios | path='/')
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231 | 3b09ff22 | Georgios Gousios | response['X-Auth-Token'] = user.auth_token
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232 | 914502af | Georgios Gousios | return response
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233 | 914502af | Georgios Gousios | |
234 | 914502af | Georgios Gousios | |
235 | 914502af | Georgios Gousios | def render_login_error(code, text): |
236 | 914502af | Georgios Gousios | error = dict()
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237 | 914502af | Georgios Gousios | error['id'] = code
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238 | 914502af | Georgios Gousios | error['text'] = text
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239 | 914502af | Georgios Gousios | |
240 | 914502af | Georgios Gousios | data = render_to_string('error.html', {'error': error}) |
241 | 914502af | Georgios Gousios | |
242 | 914502af | Georgios Gousios | response = HttpResponse(data) |
243 | 3b09ff22 | Georgios Gousios | return response
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244 | 3b09ff22 | Georgios Gousios | |
245 | 3b09ff22 | Georgios Gousios | |
246 | 3b09ff22 | Georgios Gousios | def send_invitation(invitation): |
247 | e6d6603a | Georgios Gousios | email = {} |
248 | e6d6603a | Georgios Gousios | email['invitee'] = invitation.target.realname
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249 | e6d6603a | Georgios Gousios | email['inviter'] = invitation.source.realname
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250 | e6d6603a | Georgios Gousios | |
251 | c00e4507 | Vangelis Koukis | valid = timedelta(days=settings.INVITATION_VALID_DAYS) |
252 | e6d6603a | Georgios Gousios | valid_until = invitation.created + valid |
253 | e6d6603a | Georgios Gousios | email['valid_until'] = valid_until.strftime('%A, %d %B %Y') |
254 | e8fe75a8 | Georgios Gousios | email['url'] = enconde_inv_url(invitation)
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255 | e6d6603a | Georgios Gousios | |
256 | e6d6603a | Georgios Gousios | data = render_to_string('invitation.txt', {'email': email}) |
257 | 3b09ff22 | Georgios Gousios | |
258 | 844ff4db | Georgios Gousios | _logger.debug("Invitation URL: %s" % email['url']) |
259 | 844ff4db | Georgios Gousios | |
260 | 670a350a | Georgios Gousios | # send_async(
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261 | 670a350a | Georgios Gousios | # frm = "%s"%(settings.DEFAULT_FROM_EMAIL),
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262 | 670a350a | Georgios Gousios | # to = "%s <%s>"%(invitation.target.realname,invitation.target.uniq),
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263 | 670a350a | Georgios Gousios | # subject = _('Invitation to ~okeanos IaaS service'),
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264 | 670a350a | Georgios Gousios | # body = data
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265 | 670a350a | Georgios Gousios | #)
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266 | c00e4507 | Vangelis Koukis | send(recipient="%s <%s>" % (invitation.target.realname,
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267 | c00e4507 | Vangelis Koukis | invitation.target.uniq), |
268 | c00e4507 | Vangelis Koukis | subject=_('Invitation to ~okeanos IaaS service'),
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269 | c00e4507 | Vangelis Koukis | body=data) |
270 | f1bb3880 | Georgios Gousios | |
271 | 670a350a | Georgios Gousios | |
272 | e8fe75a8 | Georgios Gousios | def enconde_inv_url(invitation): |
273 | e8fe75a8 | Georgios Gousios | PADDING = '{'
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274 | e8fe75a8 | Georgios Gousios | pad = lambda s: s + (32 - len(s) % 32) * PADDING |
275 | e8fe75a8 | Georgios Gousios | EncodeAES = lambda c, s: base64.b64encode(c.encrypt(pad(s)))
|
276 | e8fe75a8 | Georgios Gousios | |
277 | e8fe75a8 | Georgios Gousios | cipher = AES.new(settings.INVITATION_ENCR_KEY) |
278 | e8fe75a8 | Georgios Gousios | encoded = EncodeAES(cipher, invitation.target.auth_token) |
279 | e8fe75a8 | Georgios Gousios | |
280 | e8fe75a8 | Georgios Gousios | url_safe = urllib.urlencode({'key': encoded})
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281 | e8fe75a8 | Georgios Gousios | url = settings.APP_INSTALL_URL + "/invitations/login?" + url_safe
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282 | e8fe75a8 | Georgios Gousios | |
283 | e8fe75a8 | Georgios Gousios | return url
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284 | 4f8e7c6d | Georgios Gousios | |
285 | 4f8e7c6d | Georgios Gousios | |
286 | 4f8e7c6d | Georgios Gousios | def resend(request): |
287 | 4f8e7c6d | Georgios Gousios | """
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288 | 4f8e7c6d | Georgios Gousios | Resend an invitation that has been already sent
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289 | 4f8e7c6d | Georgios Gousios | """
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290 | 4f8e7c6d | Georgios Gousios | |
291 | 4f8e7c6d | Georgios Gousios | if not request.method == 'POST': |
292 | 4f8e7c6d | Georgios Gousios | return method_not_allowed(request)
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293 | 4f8e7c6d | Georgios Gousios | |
294 | 4f8e7c6d | Georgios Gousios | invid = request.POST["invid"]
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295 | 4f8e7c6d | Georgios Gousios | |
296 | 4f8e7c6d | Georgios Gousios | matcher = re.compile('^[0-9]+$')
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297 | 4f8e7c6d | Georgios Gousios | |
298 | 4f8e7c6d | Georgios Gousios | # XXX: Assumes numeric DB keys
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299 | 4f8e7c6d | Georgios Gousios | if not matcher.match(invid): |
300 | 4f8e7c6d | Georgios Gousios | return HttpResponseBadRequest("Invalid content for parameter [invid]") |
301 | 4f8e7c6d | Georgios Gousios | |
302 | 4f8e7c6d | Georgios Gousios | try:
|
303 | c00e4507 | Vangelis Koukis | inv = Invitations.objects.get(id=invid) |
304 | 4f8e7c6d | Georgios Gousios | except Exception: |
305 | 4f8e7c6d | Georgios Gousios | return HttpResponseBadRequest("Invitation to resend does not exist") |
306 | 4f8e7c6d | Georgios Gousios | |
307 | 4f8e7c6d | Georgios Gousios | if not request.user == inv.source: |
308 | 4f8e7c6d | Georgios Gousios | return HttpResponseBadRequest("Invitation does not belong to user") |
309 | 4f8e7c6d | Georgios Gousios | |
310 | 4f8e7c6d | Georgios Gousios | try:
|
311 | 4f8e7c6d | Georgios Gousios | send_invitation(inv) |
312 | 4ac7f421 | Georgios Gousios | except Exception as e: |
313 | 4ac7f421 | Georgios Gousios | _logger.exception(e) |
314 | 4f8e7c6d | Georgios Gousios | return HttpResponseServerError("Error sending invitation email") |
315 | 4f8e7c6d | Georgios Gousios | |
316 | 4f8e7c6d | Georgios Gousios | return HttpResponse("Invitation has been resent") |
317 | e8fe75a8 | Georgios Gousios | |
318 | c00e4507 | Vangelis Koukis | |
319 | 9f8ad4c5 | Georgios Gousios | def get_invitee_level(source): |
320 | 9f8ad4c5 | Georgios Gousios | return get_user_inv_level(source) + 1 |
321 | 9f8ad4c5 | Georgios Gousios | |
322 | 9f8ad4c5 | Georgios Gousios | |
323 | 9f8ad4c5 | Georgios Gousios | def get_user_inv_level(u): |
324 | c00e4507 | Vangelis Koukis | inv = Invitations.objects.filter(target=u) |
325 | 9f8ad4c5 | Georgios Gousios | |
326 | cf8482f2 | Giorgos Verigakis | if not inv: |
327 | 9f8ad4c5 | Georgios Gousios | raise Exception("User without invitation", u) |
328 | 9f8ad4c5 | Georgios Gousios | |
329 | 9f8ad4c5 | Georgios Gousios | return inv[0].level |
330 | 9f8ad4c5 | Georgios Gousios | |
331 | 9f8ad4c5 | Georgios Gousios | |
332 | 03e70572 | Georgios Gousios | @transaction.commit_on_success
|
333 | 03e70572 | Georgios Gousios | def add_invitation(source, name, email): |
334 | 03e70572 | Georgios Gousios | """
|
335 | 03e70572 | Georgios Gousios | Adds an invitation, if the source user has not gone over his/her
|
336 | 33e00f02 | Georgios Gousios | invitation limit or the target user has not been invited already
|
337 | 03e70572 | Georgios Gousios | """
|
338 | c00e4507 | Vangelis Koukis | num_inv = Invitations.objects.filter(source=source).count() |
339 | 03e70572 | Georgios Gousios | |
340 | 33e00f02 | Georgios Gousios | if num_inv >= source.max_invitations:
|
341 | d652580d | Georgios Gousios | raise TooManyInvitations("User invitation limit (%d) exhausted" % |
342 | 33e00f02 | Georgios Gousios | source.max_invitations) |
343 | 03e70572 | Georgios Gousios | |
344 | c00e4507 | Vangelis Koukis | target = SynnefoUser.objects.filter(uniq=email) |
345 | 03e70572 | Georgios Gousios | |
346 | 03e70572 | Georgios Gousios | if target.count() is not 0: |
347 | f1bb3880 | Georgios Gousios | raise AlreadyInvited("User with email %s already invited" % (email)) |
348 | 03e70572 | Georgios Gousios | |
349 | 53e6717b | Georgios Gousios | users.register_user(name, email) |
350 | 53e6717b | Georgios Gousios | |
351 | c00e4507 | Vangelis Koukis | target = SynnefoUser.objects.filter(uniq=email) |
352 | 53e6717b | Georgios Gousios | |
353 | 53e6717b | Georgios Gousios | r = list(target[:1]) |
354 | 53e6717b | Georgios Gousios | if not r: |
355 | bd1548a7 | Georgios Gousios | raise Exception("Invited user cannot be added") |
356 | 03e70572 | Georgios Gousios | |
357 | 9f8ad4c5 | Georgios Gousios | u = target[0]
|
358 | 9f8ad4c5 | Georgios Gousios | invitee_level = get_invitee_level(source) |
359 | 9f8ad4c5 | Georgios Gousios | |
360 | 9f8ad4c5 | Georgios Gousios | u.max_invitations = settings.INVITATIONS_PER_LEVEL[invitee_level] |
361 | 9f8ad4c5 | Georgios Gousios | u.save() |
362 | 9f8ad4c5 | Georgios Gousios | |
363 | 03e70572 | Georgios Gousios | inv = Invitations() |
364 | 03e70572 | Georgios Gousios | inv.source = source |
365 | 9f8ad4c5 | Georgios Gousios | inv.target = u |
366 | 9f8ad4c5 | Georgios Gousios | inv.level = invitee_level |
367 | 03e70572 | Georgios Gousios | inv.save() |
368 | e6d6603a | Georgios Gousios | return inv
|
369 | 03e70572 | Georgios Gousios | |
370 | c00e4507 | Vangelis Koukis | |
371 | 8f50f91c | Kostas Papadimitriou | def get_invitations_left(user): |
372 | 8f50f91c | Kostas Papadimitriou | """
|
373 | 8f50f91c | Kostas Papadimitriou | Get user invitations left
|
374 | 8f50f91c | Kostas Papadimitriou | """
|
375 | c00e4507 | Vangelis Koukis | num_inv = Invitations.objects.filter(source=user).count() |
376 | 8f50f91c | Kostas Papadimitriou | return user.max_invitations - num_inv
|
377 | 8f50f91c | Kostas Papadimitriou | |
378 | c00e4507 | Vangelis Koukis | |
379 | 847a3ecf | Georgios Gousios | def remove_invitation(invitation): |
380 | 847a3ecf | Georgios Gousios | """
|
381 | 847a3ecf | Georgios Gousios | Removes an invitation and the invited user
|
382 | 847a3ecf | Georgios Gousios | """
|
383 | 847a3ecf | Georgios Gousios | if invitation is not None: |
384 | ee60bb36 | Georgios Gousios | if isinstance(invitation, Invitations): |
385 | ee60bb36 | Georgios Gousios | if invitation.target is not None: |
386 | ee60bb36 | Georgios Gousios | invitation.target.delete() |
387 | ee60bb36 | Georgios Gousios | invitation.delete() |
388 | 847a3ecf | Georgios Gousios | |
389 | c00e4507 | Vangelis Koukis | |
390 | d028ab18 | Georgios Gousios | class InvitationException(Exception): |
391 | a640b50d | Georgios Gousios | def __init__(self, msg): |
392 | d53bbf68 | Georgios Gousios | self.messages = [msg]
|
393 | 03e70572 | Georgios Gousios | |
394 | c00e4507 | Vangelis Koukis | |
395 | d53bbf68 | Georgios Gousios | class TooManyInvitations(InvitationException): |
396 | d53bbf68 | Georgios Gousios | pass
|
397 | 03e70572 | Georgios Gousios | |
398 | c00e4507 | Vangelis Koukis | |
399 | d028ab18 | Georgios Gousios | class AlreadyInvited(InvitationException): |
400 | d53bbf68 | Georgios Gousios | pass |