First commit

README

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+django-cas-provider
+
+Chris Williams <chris@nitron.org>
+
+TODO: Write documentation

cas_provider/__init__.py

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+from django.conf import settings
+
+__all__ = []
+
+_DEFAULTS = {
+    'CAS_TICKET_EXPIRATION': 5, # In minutes
+}
+
+for key, value in _DEFAULTS.iteritems():
+    try:
+        getattr(settings, key)
+    except AttributeError:
+        setattr(settings, key, value)
+    except ImportError:
+        pass

cas_provider/admin.py

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+from django.contrib import admin
+
+from models import ServiceTicket, LoginTicket
+
+class ServiceTicketAdmin(admin.ModelAdmin):
+    pass
+admin.site.register(ServiceTicket, ServiceTicketAdmin)
+
+class LoginTicketAdmin(admin.ModelAdmin):
+    pass
+admin.site.register(LoginTicket, LoginTicketAdmin)

cas_provider/forms.py

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+from django import forms
+from django.contrib.auth.forms import AuthenticationForm
+from django.contrib.auth import authenticate
+
+from utils import create_login_ticket
+
+class LoginForm(forms.Form):
+    username = forms.CharField(max_length=30)
+    password = forms.CharField(widget=forms.PasswordInput)
+    #warn = forms.BooleanField(required=False)  # TODO: Implement
+    lt = forms.CharField(widget=forms.HiddenInput, initial=create_login_ticket)
+    def __init__(self, service=None, renew=None, gateway=None, request=None, *args, **kwargs):
+        super(LoginForm, self).__init__(*args, **kwargs)
+        self.request = request
+        if service is not None:
+            self.fields['service'] = forms.CharField(widget=forms.HiddenInput, initial=service)

cas_provider/management/.svn/all-wcprops

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+K 25
+svn:wc:ra_dav:version-url
+V 47
+/svn/!svn/ver/170/trunk/registration/management
+END
+__init__.py
+K 25
+svn:wc:ra_dav:version-url
+V 59
+/svn/!svn/ver/170/trunk/registration/management/__init__.py
+END

cas_provider/management/.svn/entries

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+9
+
+dir
+170
+http://django-registration.googlecode.com/svn/trunk/registration/management
+http://django-registration.googlecode.com/svn
+
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+2008-09-22T10:00:14.397881Z
+170
+ubernostrum
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+b970a8a1-db28-0410-9b79-8b7e580363d3
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+__init__.py
+file
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+2009-02-18T02:12:14.000000Z
+d41d8cd98f00b204e9800998ecf8427e
+2008-09-22T10:00:14.397881Z
+170
+ubernostrum
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cas_provider/management/.svn/format

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+9

cas_provider/management/commands/.svn/all-wcprops

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+K 25
+svn:wc:ra_dav:version-url
+V 56
+/svn/!svn/ver/170/trunk/registration/management/commands
+END
+__init__.py
+K 25
+svn:wc:ra_dav:version-url
+V 68
+/svn/!svn/ver/170/trunk/registration/management/commands/__init__.py
+END
+cleanupregistration.py
+K 25
+svn:wc:ra_dav:version-url
+V 79
+/svn/!svn/ver/170/trunk/registration/management/commands/cleanupregistration.py
+END

cas_provider/management/commands/.svn/entries

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+9
+
+dir
+170
+http://django-registration.googlecode.com/svn/trunk/registration/management/commands
+http://django-registration.googlecode.com/svn
+
+
+
+2008-09-22T10:00:14.397881Z
+170
+ubernostrum
+
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+svn:special svn:externals svn:needs-lock
+
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+b970a8a1-db28-0410-9b79-8b7e580363d3
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+__init__.py
+file
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+
+
+
+2009-02-18T02:12:14.000000Z
+d41d8cd98f00b204e9800998ecf8427e
+2008-09-22T10:00:14.397881Z
+170
+ubernostrum
+
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+file
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+2009-02-18T02:12:14.000000Z
+2fc6dce3e47cc12aafd11130c6c8b45e
+2008-09-22T10:00:14.397881Z
+170
+ubernostrum
+
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cas_provider/management/commands/.svn/format

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+9

cas_provider/management/commands/.svn/text-base/cleanupregistration.py.svn-base

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+"""
+A management command which deletes expired accounts (e.g.,
+accounts which signed up but never activated) from the database.
+
+Calls ``RegistrationProfile.objects.delete_expired_users()``, which
+contains the actual logic for determining which accounts are deleted.
+
+"""
+
+from django.core.management.base import NoArgsCommand
+from django.core.management.base import CommandError
+
+from registration.models import RegistrationProfile
+
+
+class Command(NoArgsCommand):
+    help = "Delete expired user registrations from the database"
+
+    def handle_noargs(self, **options):
+        RegistrationProfile.objects.delete_expired_users()

cas_provider/management/commands/cleanuptickets.py

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+"""
+A management command which deletes expired service tickets (e.g.,
+from the database.
+
+Calls ``ServiceTickets.objects.delete_expired_users()``, which
+contains the actual logic for determining which accounts are deleted.
+
+"""
+
+from django.core.management.base import NoArgsCommand
+from django.core.management.base import CommandError
+from django.conf import settings
+
+import datetime
+
+from cas_provider.models import ServiceTicket
+
+class Command(NoArgsCommand):
+    help = "Delete expired service tickets from the database"
+
+    def handle_noargs(self, **options):
+        tickets = ServiceTicket.objects.all()
+        for ticket in tickets:
+            expiration = datetime.timedelta(minutes=settings.CAS_TICKET_EXPIRATION)
+            if datetime.datetime.now() > ticket.created + expiration:
+                print "Deleting %s..." % ticket.ticket
+                ticket.delete()
+            else:
+                print "%s not expired..." % ticket.ticket

cas_provider/models.py

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+from django.db import models
+from django.contrib.auth.models import User
+
+class ServiceTicket(models.Model):
+    user = models.ForeignKey(User)
+    service = models.URLField(verify_exists=False)
+    ticket = models.CharField(max_length=256)
+    created = models.DateTimeField(auto_now=True)
+
+    def __unicode__(self):
+        return "%s (%s) - %s" % (self.user.username, self.service, self.created)
+
+class LoginTicket(models.Model):
+    ticket = models.CharField(max_length=32)
+    created = models.DateTimeField(auto_now=True)
+
+    def __unicode__(self):
+        return "%s - %s" % (self.ticket, self.created)

cas_provider/urls.py

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+from django.conf.urls.defaults import *
+
+from views import *
+
+urlpatterns = patterns('',
+    url(r'^login/', login),
+    url(r'^validate/', validate),
+    url(r'^logout/', logout),
+)

cas_provider/utils.py

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+from random import Random
+import string
+
+from models import ServiceTicket, LoginTicket
+
+def _generate_string(length=8, chars=string.letters + string.digits):
+    return ''.join(Random().sample(string.letters+string.digits, length))
+
+def create_service_ticket(user, service):
+    ticket_string = 'ST-' + _generate_string(29) # Total ticket length = 29 + 3 = 32
+    ticket = ServiceTicket(service=service, user=user, ticket=ticket_string)
+    ticket.save()
+    return ticket
+
+def create_login_ticket():
+    ticket_string = 'LT-' + _generate_string(29)
+    ticket = LoginTicket(ticket=ticket_string)
+    ticket.save()
+    return ticket_string