From 4ac0ff3cace7dd91c3f3d945b96932deb610d4f7 Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@agendaless.com>
Date: Wed, 16 Jul 2008 10:48:38 +0000
Subject: Add convenience has_permission function.

---
 repoze/bfg/security.py | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'repoze/bfg/security.py')

diff --git a/repoze/bfg/security.py b/repoze/bfg/security.py
index 6f2c858e3..21a0a3f2a 100644
--- a/repoze/bfg/security.py
+++ b/repoze/bfg/security.py
@@ -1,4 +1,6 @@
 from zope.interface import implements
+from zope.component import queryUtility
+
 from zope.location.location import LocationIterator
 
 from repoze.bfg.interfaces import ISecurityPolicy
@@ -11,6 +13,12 @@ Authenticated = 'system.Authenticated'
 Allow = 'Allow'
 Deny = 'Deny'
 
+def has_permission(permission, context, request):
+    policy = queryUtility(ISecurityPolicy)
+    if policy is None:
+        return True
+    return policy.permits(context, request, permission)
+
 class ACLAuthorizer(object):
 
     def __init__(self, context, logger=None):
-- 
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