/*
* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/* $Id: DelegatingAuthorizerAction.java,v 1.18 2004/03/03 12:56:32 gregor Exp $ */
package org.apache.lenya.cms.cocoon.acting;
import java.util.Collections;
import java.util.Map;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.cocoon.environment.Redirector;
import org.apache.cocoon.environment.Request;
import org.apache.cocoon.environment.Session;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.lenya.util.Stack;
/**
* AuthorizerAction that delegates the authorizing to an AccessController.
*/
public class DelegatingAuthorizerAction extends AccessControlAction {
/**
* @see org.apache.cocoon.acting.Action#act(org.apache.cocoon.environment.Redirector, org.apache.cocoon.environment.SourceResolver, java.util.Map, java.lang.String, org.apache.avalon.framework.parameters.Parameters)
*/
public Map act(
Redirector redirector,
SourceResolver resolver,
Map objectModel,
String src,
Parameters parameters)
throws Exception {
return super.act(redirector, resolver, objectModel, src, parameters);
}
/**
* @see org.apache.lenya.cms.cocoon.acting.AccessControlAction#doAct(org.apache.cocoon.environment.Redirector, org.apache.cocoon.environment.SourceResolver, java.util.Map, java.lang.String, org.apache.avalon.framework.parameters.Parameters)
*/
protected Map doAct(
Redirector redirector,
SourceResolver resolver,
Map objectModel,
String source,
Parameters parameters)
throws Exception {
Request request = ObjectModelHelper.getRequest(objectModel);
setHistory(request);
boolean authorized = getAccessController().authorize(request);
Map result = null;
if (authorized) {
result = Collections.EMPTY_MAP;
}
return result;
}
public static final String HISTORY =
DelegatingAuthorizerAction.class.getPackage().getName() + ".History";
/**
* Adds the current URL to the history.
* @param request The request.
*/
protected void setHistory(Request request) {
Session session = request.getSession(true);
Stack history = (Stack) session.getAttribute(HISTORY);
if (history == null) {
history = new Stack(10);
session.setAttribute(HISTORY, history);
}
String url = request.getRequestURI();
String context = request.getContextPath();
if (context == null) {
context = "";
}
url = url.substring(context.length());
history.push(url);
}
}