1 # Copyright 2011-2012 GRNET S.A. All rights reserved.
3 # Redistribution and use in source and binary forms, with or
4 # without modification, are permitted provided that the following
7 # 1. Redistributions of source code must retain the above
8 # copyright notice, this list of conditions and the following
11 # 2. Redistributions in binary form must reproduce the above
12 # copyright notice, this list of conditions and the following
13 # disclaimer in the documentation and/or other materials
14 # provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
17 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 # POSSIBILITY OF SUCH DAMAGE.
29 # The views and conclusions contained in the software and
30 # documentation are those of the authors and should not be
31 # interpreted as representing official policies, either expressed
32 # or implied, of GRNET S.A.
37 from time import asctime
38 from datetime import datetime, timedelta
39 from base64 import b64encode
40 from urlparse import urlparse
42 from django.db import models
43 from django.contrib.auth.models import User, UserManager
45 from astakos.im.settings import DEFAULT_USER_LEVEL, INVITATIONS_PER_LEVEL, AUTH_TOKEN_DURATION, BILLING_FIELDS, QUEUE_CONNECTION
46 from astakos.im.queue.userevent import UserEvent
47 from synnefo.lib.queue import exchange_connect, exchange_send, exchange_close, Receipt
49 QUEUE_CLIENT_ID = 3 # Astakos.
51 class AstakosUser(User):
53 Extends ``django.contrib.auth.models.User`` by defining additional fields.
55 # Use UserManager to get the create_user method, etc.
56 objects = UserManager()
58 affiliation = models.CharField('Affiliation', max_length=255, blank=True)
59 provider = models.CharField('Provider', max_length=255, blank=True)
62 user_level = DEFAULT_USER_LEVEL
63 level = models.IntegerField('Inviter level', default=user_level)
64 invitations = models.IntegerField('Invitations left', default=INVITATIONS_PER_LEVEL.get(user_level, 0))
66 auth_token = models.CharField('Authentication Token', max_length=32,
67 null=True, blank=True)
68 auth_token_created = models.DateTimeField('Token creation date', null=True)
69 auth_token_expires = models.DateTimeField('Token expiration date', null=True)
71 updated = models.DateTimeField('Update date')
72 is_verified = models.BooleanField('Is verified?', default=False)
74 # ex. screen_name for twitter, eppn for shibboleth
75 third_party_identifier = models.CharField('Third-party identifier', max_length=255, null=True, blank=True)
77 email_verified = models.BooleanField('Email verified?', default=False)
79 has_credits = models.BooleanField('Has credits?', default=False)
80 has_signed_terms = models.BooleanField('Agree with the terms?', default=False)
81 date_signed_terms = models.DateTimeField('Signed terms date', null=True)
85 return '%s %s' %(self.first_name, self.last_name)
88 def realname(self, value):
89 parts = value.split(' ')
91 self.first_name = parts[0]
92 self.last_name = parts[1]
94 self.last_name = parts[0]
99 return Invitation.objects.get(username=self.email)
100 except Invitation.DoesNotExist:
103 def save(self, update_timestamps=True, **kwargs):
104 if update_timestamps:
106 self.date_joined = datetime.now()
107 self.updated = datetime.now()
110 while not self.username:
111 username = uuid.uuid4().hex[:30]
113 AstakosUser.objects.get(username = username)
114 except AstakosUser.DoesNotExist, e:
115 self.username = username
116 self.is_active = False
117 if not self.provider:
118 self.provider = 'local'
119 report_user_event(self)
120 super(AstakosUser, self).save(**kwargs)
122 def renew_token(self):
124 md5.update(self.username)
125 md5.update(self.realname.encode('ascii', 'ignore'))
126 md5.update(asctime())
128 self.auth_token = b64encode(md5.digest())
129 self.auth_token_created = datetime.now()
130 self.auth_token_expires = self.auth_token_created + \
131 timedelta(hours=AUTH_TOKEN_DURATION)
133 def __unicode__(self):
136 class ApprovalTerms(models.Model):
138 Model for approval terms
141 date = models.DateTimeField('Issue date', db_index=True, default=datetime.now())
142 location = models.CharField('Terms location', max_length=255)
144 class Invitation(models.Model):
146 Model for registring invitations
148 inviter = models.ForeignKey(AstakosUser, related_name='invitations_sent',
150 realname = models.CharField('Real name', max_length=255)
151 username = models.CharField('Unique ID', max_length=255, unique=True)
152 code = models.BigIntegerField('Invitation code', db_index=True)
153 #obsolete: we keep it just for transfering the data
154 is_accepted = models.BooleanField('Accepted?', default=False)
155 is_consumed = models.BooleanField('Consumed?', default=False)
156 created = models.DateTimeField('Creation date', auto_now_add=True)
157 #obsolete: we keep it just for transfering the data
158 accepted = models.DateTimeField('Acceptance date', null=True, blank=True)
159 consumed = models.DateTimeField('Consumption date', null=True, blank=True)
162 self.is_consumed = True
163 self.consumed = datetime.now()
166 def __unicode__(self):
167 return '%s -> %s [%d]' % (self.inviter, self.username, self.code)
169 def report_user_event(user):
170 def should_send(user):
171 # report event incase of new user instance
172 # or if specific fields are modified
175 db_instance = AstakosUser.objects.get(id = user.id)
176 for f in BILLING_FIELDS:
177 if (db_instance.__getattribute__(f) != user.__getattribute__(f)):
181 if QUEUE_CONNECTION and should_send(user):
182 eventType = 'create' if not user.id else 'modify'
183 body = UserEvent(QUEUE_CLIENT_ID, user, eventType, {}).format()
184 conn = exchange_connect(QUEUE_CONNECTION)
185 parts = urlparse(QUEUE_CONNECTION)
186 exchange = parts.path[1:]
187 routing_key = '%s.user' % exchange
188 exchange_send(conn, routing_key, body)