5 from django.contrib.auth.middleware import RemoteUserMiddleware
6 from django.contrib.auth.backends import RemoteUserBackend
7 from django.contrib.auth.views import login
8 from django.contrib.auth import REDIRECT_FIELD_NAME
9 from django.http import HttpResponseRedirect
10 from django.contrib import auth
11 from django.core.exceptions import ObjectDoesNotExist
12 from django.core.validators import URLValidator, ValidationError
16 def zephyr(msg, clas='message', instance='log', rcpt='nobody',):
17 proc = subprocess.Popen(
18 ['zwrite', '-d', '-n', '-c', clas, '-i', instance, rcpt, ],
19 stdin=subprocess.PIPE, stdout=subprocess.PIPE
23 def UrlOrAfsValidator(value):
24 if value.startswith('/mit/') or value.startswith('/afs/'):
29 except ValidationError:
30 raise ValidationError('Provide a valid URL or AFS path')
32 class ScriptsRemoteUserMiddleware(RemoteUserMiddleware):
33 header = 'SSL_CLIENT_S_DN_Email'
35 class ScriptsRemoteUserBackend(RemoteUserBackend):
36 def clean_username(self, username, ):
38 name, domain = username.split('@')
39 assert domain.upper() == 'MIT.EDU'
43 def configure_user(self, user, ):
44 username = user.username
45 user.password = "ScriptsSSLAuth"
46 con = ldap.open('ldap-too.mit.edu')
47 con.simple_bind_s("", "")
49 fields = ['cn', 'sn', 'givenName', 'mail', ]
50 userfilter = ldap.filter.filter_format('uid=%s', [username])
51 result = con.search_s('dc=mit,dc=edu', ldap.SCOPE_SUBTREE, userfilter, fields)
53 user.first_name = result[0][1]['givenName'][0]
54 user.last_name = result[0][1]['sn'][0]
56 user.email = result[0][1]['mail'][0]
58 user.email = username + '@mit.edu'
60 user.groups.add(auth.models.Group.objects.get(name='mit'))
61 except ObjectDoesNotExist:
62 print "Failed to retrieve mit group"
64 raise ValueError, ("Could not find user with username '%s' (filter '%s')"%(username, userfilter))
66 user.groups.add(auth.models.Group.objects.get(name='autocreated'))
67 except ObjectDoesNotExist:
68 print "Failed to retrieve autocreated group"
72 def get_or_create_mit_user(username, ):
74 Given an MIT username, return a Django user object for them.
75 If necessary, create (and save) the Django user for them.
76 If the MIT user doesn't exist, raises ValueError.
78 user, created = auth.models.User.objects.get_or_create(username=username, )
80 backend = ScriptsRemoteUserBackend()
81 # Raises ValueError if the user doesn't exist
83 return backend.configure_user(user), created
90 def scripts_login(request, **kwargs):
91 host = request.META['HTTP_HOST'].split(':')[0]
92 if host == 'localhost':
93 return login(request, **kwargs)
94 elif request.META['SERVER_PORT'] == '444':
95 if request.user.is_authenticated():
96 # They're already authenticated --- go ahead and redirect
97 if 'redirect_field_name' in kwargs:
98 redirect_field_name = kwargs['redirect_field_names']
100 from django.contrib.auth import REDIRECT_FIELD_NAME
101 redirect_field_name = REDIRECT_FIELD_NAME
102 redirect_to = request.REQUEST.get(redirect_field_name, '')
103 if not redirect_to or '//' in redirect_to or ' ' in redirect_to:
104 redirect_to = settings.LOGIN_REDIRECT_URL
105 return HttpResponseRedirect(redirect_to)
107 return login(request, **kwargs)
110 redirect_to = "https://%s:444%s" % (host, request.META['REQUEST_URI'], )
111 return HttpResponseRedirect(redirect_to)