django/mit/__init__.py

   1 import subprocess
   2 import ldap
   3 import ldap.filter
   4
   5 from django.contrib.auth.middleware import RemoteUserMiddleware
   6 from django.contrib.auth.backends import RemoteUserBackend
   7 from django.contrib import auth
   8 from django.core.exceptions import ObjectDoesNotExist
   9
  10 def zephyr(msg, clas='remit', instance='log', rcpt='adehnert',):
  11     proc = subprocess.Popen(
  12         ['zwrite', '-d', '-n', '-c', clas, '-i', instance, rcpt, ],
  13         stdin=subprocess.PIPE, stdout=subprocess.PIPE
  14     )
  15     proc.communicate(msg)
  16
  17 class ScriptsRemoteUserMiddleware(RemoteUserMiddleware):
  18     header = 'SSL_CLIENT_S_DN_Email'
  19
  20 class ScriptsRemoteUserBackend(RemoteUserBackend):
  21     def clean_username(self, username, ):
  22         if '@' in username:
  23             name, domain = username.split('@')
  24             assert domain.upper() == 'MIT.EDU'
  25             return name
  26         else:
  27             return username
  28     def configure_user(self, user, ):
  29         username = user.username
  30         user.password = "ScriptsSSLAuth"
  31         con = ldap.open('ldap.mit.edu')
  32         con.simple_bind_s("", "")
  33         dn = "dc=mit,dc=edu"
  34         fields = ['cn', 'sn', 'givenName', 'mail', ]
  35         userfilter = ldap.filter.filter_format('uid=%s', [username])
  36         result = con.search_s('dc=mit,dc=edu', ldap.SCOPE_SUBTREE, userfilter, fields)
  37         if len(result) == 1:
  38             user.first_name = result[0][1]['givenName'][0]
  39             user.last_name = result[0][1]['sn'][0]
  40             user.email = result[0][1]['mail'][0]
  41             try:
  42                 user.groups.add(auth.models.Group.objects.get(name='mit'))
  43             except ObjectDoesNotExist:
  44                 print "Failed to retrieve mit group"
  45         else:
  46             raise ValueError, ("Could not find user with username '%s' (filter '%s')"%(username, userfilter))
  47         try:
  48             user.groups.add(auth.models.Group.objects.get(name='autocreated'))
  49         except ObjectDoesNotExist:
  50             print "Failed to retrieve autocreated group"
  51         user.save()
  52         return user