Added mod_python authentication handler and document on authenticating against Django's auth database from Apache

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1495 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 43 insertions, 0 deletions

diff --git a/django/core/handlers/modpython.py b/django/core/handlers/modpython.py
index e52879065f..d4670eabca 100644
--- a/django/core/handlers/modpython.py
+++ b/django/core/handlers/modpython.py
@@ -163,3 +163,46 @@ def populate_apache_request(http_response, mod_python_req):
 def handler(req):
     # mod_python hooks into this function.
     return ModPythonHandler()(req)
+
+def authenhandler(req, **kwargs):
+    """
+    Authentication handler that checks against Django's auth database.
+    """
+    from mod_python import apache
+    
+    # mod_python fakes the environ, and thus doesn't process SetEnv.  This fixes 
+    # that so that the following import works
+    os.environ.update(req.subprocess_env)
+    from django.models.auth import users
+    
+    # check for PythonOptions
+    _str_to_bool = lambda s: s.lower() in '1', 'true', 'on', 'yes'
+    
+    options = req.get_options()
+    permission_name = options.get('DjangoPermissionName', None)
+    staff_only = _str_to_bool(options.get('DjangoRequireStaffStatus', "on"))
+    superuser_only = _str_to_bool(options.get('DjangoRequireSuperuserStatus', "off"))
+    
+    # check that the username is valid
+    kwargs = {'username__exact': req.user, 'is_active__exact': True}
+    if staff_only:
+        kwargs['is_staff__exact'] = True
+    if superuser_only:
+        kwargs['is_superuser__exact'] = True
+    try:
+        user = users.get_object(**kwargs)
+    except users.UserDoesNotExist:
+        return apache.HTTP_UNAUTHORIZED
+        
+    # check the password and any permission given
+    if user.check_password(req.get_basic_auth_pw()):
+        if permission_name:
+            if user.has_perm(permission_name):
+                return apache.OK
+            else:
+                return apache.HTTP_UNAUTHORIZED
+        else:
+            return apache.OK
+    else:
+        return apache.HTTP_UNAUTHORIZED
+    
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