provider/cas_provider/models.py

   1 from django.db import models
   2 from django.contrib.auth.models import User
   3 from django.conf import settings
   4 from django.core.urlresolvers import get_callable
   5
   6 from cas_provider.etree import etree, register_namespace, ElementRoot
   7
   8 class ServiceTicket(models.Model):
   9     user = models.ForeignKey(User)
  10     service = models.URLField(verify_exists=False)
  11     ticket = models.CharField(max_length=256)
  12     created = models.DateTimeField(auto_now=True)
  13
  14     def __unicode__(self):
  15         return "%s (%s) - %s" % (self.user.username, self.service, self.created)
  16
  17 class LoginTicket(models.Model):
  18     ticket = models.CharField(max_length=32)
  19     created = models.DateTimeField(auto_now=True)
  20
  21     def __unicode__(self):
  22         return "%s - %s" % (self.ticket, self.created)
  23
  24 CAS_URI = 'http://www.yale.edu/tp/cas'
  25 register_namespace('cas', CAS_URI)
  26 CAS = '{%s}' % CAS_URI
  27
  28 def auth_success_response(user):
  29     attrs = {}
  30     if settings.CAS_CUSTOM_ATTRIBUTES_CALLBACK:
  31         callback = get_callable(settings.CAS_CUSTOM_ATTRIBUTES_CALLBACK)
  32         attrs = callback(user)
  33
  34     response = ElementRoot(CAS + 'serviceResponse')
  35     auth_success = etree.SubElement(response, CAS + 'authenticationSuccess')
  36     username = etree.SubElement(auth_success, CAS + 'user')
  37     username.text = user.username
  38     for name, value in attrs.items():
  39         element = etree.SubElement(auth_success, name)
  40         element.text = value
  41     return unicode(etree.tostring(response, encoding='utf-8'), 'utf-8')