[Zope-Checkins] CVS: Zope3/lib/python/Zope/App/Security - SimpleSecurityPolicies.py:1.1.2.2

[Martijn Pieters]

Update of /cvs-repository/Zope3/lib/python/Zope/App/Security
In directory cvs.zope.org:/tmp/cvs-serv13405

Modified Files:
      Tag: Zope-3x-branch
	SimpleSecurityPolicies.py 
Log Message:
Add name based security policy; base acces solely on the name used.


=== Zope3/lib/python/Zope/App/Security/SimpleSecurityPolicies.py 1.1.2.1 => 1.1.2.2 ===
     def checkPermission( self, permission, object, context ):
         return 1
+
+class NameBasedSecurityPolicy:
+    """ Allow access based on traversed name.
+
+    The constructor takes a callable object, which is passed the name of the
+    item accessed, or None. This method should either pass or raise
+    Zope.Exceptions.Unauthorized.
+
+    """
+
+    __implements__ = ISecurityPolicy
+
+    def __init__(self, nameChecker):
+        self._nameChecker = nameChecker
+
+    def validate(self, name, value, context):
+        self._nameChecker(name)
+
+    def checkPermission(self, permission, object, context):
+        return 1
+