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
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24 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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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
41 from django.db import models
42 from django.contrib.auth.models import User, UserManager
44 from astakos.im.settings import DEFAULT_USER_LEVEL, INVITATIONS_PER_LEVEL, AUTH_TOKEN_DURATION, BILLING_FIELDS, QUEUE_CONNECTION
45 from astakos.im.queue.userevent import UserEvent
46 from synnefo.lib.queue import exchange_connect, exchange_send, exchange_close, Receipt
48 QUEUE_CLIENT_ID = 3 # Astakos.
50 class AstakosUser(User):
52 Extends ``django.contrib.auth.models.User`` by defining additional fields.
54 # Use UserManager to get the create_user method, etc.
55 objects = UserManager()
57 affiliation = models.CharField('Affiliation', max_length=255, blank=True)
58 provider = models.CharField('Provider', max_length=255, blank=True)
61 user_level = DEFAULT_USER_LEVEL
62 level = models.IntegerField('Inviter level', default=user_level)
63 invitations = models.IntegerField('Invitations left', default=INVITATIONS_PER_LEVEL.get(user_level, 0))
65 auth_token = models.CharField('Authentication Token', max_length=32,
66 null=True, blank=True)
67 auth_token_created = models.DateTimeField('Token creation date', null=True)
68 auth_token_expires = models.DateTimeField('Token expiration date', null=True)
70 updated = models.DateTimeField('Update date')
71 is_verified = models.BooleanField('Is verified?', default=False)
73 # ex. screen_name for twitter, eppn for shibboleth
74 third_party_identifier = models.CharField('Third-party identifier', max_length=255, null=True, blank=True)
76 email_verified = models.BooleanField('Email verified?', default=False)
78 has_credits = models.BooleanField('Has credits?', default=False)
79 has_signed_terms = models.BooleanField('Agree with the terms?', default=False)
80 date_signed_terms = models.DateTimeField('Signed terms date', null=True)
84 return '%s %s' %(self.first_name, self.last_name)
87 def realname(self, value):
88 parts = value.split(' ')
90 self.first_name = parts[0]
91 self.last_name = parts[1]
93 self.last_name = parts[0]
98 return Invitation.objects.get(username=self.email)
99 except Invitation.DoesNotExist:
102 def save(self, update_timestamps=True, **kwargs):
103 if update_timestamps:
105 self.date_joined = datetime.now()
106 self.updated = datetime.now()
109 while not self.username:
110 username = uuid.uuid4().hex[:30]
112 AstakosUser.objects.get(username = username)
113 except AstakosUser.DoesNotExist, e:
114 self.username = username
115 self.is_active = False
116 if not self.provider:
117 self.provider = 'local'
118 report_user_event(self)
119 super(AstakosUser, self).save(**kwargs)
121 def renew_token(self):
123 md5.update(self.username)
124 md5.update(self.realname.encode('ascii', 'ignore'))
125 md5.update(asctime())
127 self.auth_token = b64encode(md5.digest())
128 self.auth_token_created = datetime.now()
129 self.auth_token_expires = self.auth_token_created + \
130 timedelta(hours=AUTH_TOKEN_DURATION)
132 def __unicode__(self):
135 class ApprovalTerms(models.Model):
137 Model for approval terms
140 date = models.DateTimeField('Issue date', db_index=True, default=datetime.now())
141 location = models.CharField('Terms location', max_length=255)
143 class Invitation(models.Model):
145 Model for registring invitations
147 inviter = models.ForeignKey(AstakosUser, related_name='invitations_sent',
149 realname = models.CharField('Real name', max_length=255)
150 username = models.CharField('Unique ID', max_length=255, unique=True)
151 code = models.BigIntegerField('Invitation code', db_index=True)
152 #obsolete: we keep it just for transfering the data
153 is_accepted = models.BooleanField('Accepted?', default=False)
154 is_consumed = models.BooleanField('Consumed?', default=False)
155 created = models.DateTimeField('Creation date', auto_now_add=True)
156 #obsolete: we keep it just for transfering the data
157 accepted = models.DateTimeField('Acceptance date', null=True, blank=True)
158 consumed = models.DateTimeField('Consumption date', null=True, blank=True)
161 self.is_consumed = True
162 self.consumed = datetime.now()
165 def __unicode__(self):
166 return '%s -> %s [%d]' % (self.inviter, self.username, self.code)
168 def report_user_event(user):
169 def should_send(user):
170 # report event incase of new user instance
171 # or if specific fields are modified
174 db_instance = AstakosUser.objects.get(id = user.id)
175 for f in BILLING_FIELDS:
176 if (db_instance.__getattribute__(f) != user.__getattribute__(f)):
180 if QUEUE_CONNECTION and should_send(user):
181 eventType = 'create' if not user.id else 'modify'
182 body = UserEvent(QUEUE_CLIENT_ID, user, eventType, {}).format()
183 conn = exchange_connect(QUEUE_CONNECTION)
184 parts = urlparse(exchange)
185 exchange = parts.path[1:]
186 routing_key = '%s.user' % exchange
187 exchange_send(conn, routing_key, body)