001/*
002 *  Copyright 2016 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.core.authentication;
017
018import java.util.Collections;
019import java.util.Map;
020
021import org.apache.avalon.framework.configuration.Configurable;
022import org.apache.avalon.framework.configuration.Configuration;
023import org.apache.avalon.framework.configuration.ConfigurationException;
024import org.apache.avalon.framework.parameters.Parameters;
025import org.apache.cocoon.acting.Action;
026import org.apache.cocoon.environment.ObjectModelHelper;
027import org.apache.cocoon.environment.Redirector;
028import org.apache.cocoon.environment.Request;
029import org.apache.cocoon.environment.SourceResolver;
030
031/**
032 * This action return EMPTY_MAP or null depending if the request was granted or not.
033 * The effect can be revert by a configuration parameter "is-granted"
034 */
035public class IsGrantedAction implements Configurable, Action
036{
037    private boolean _isGranted;
038
039    public void configure(Configuration configuration) throws ConfigurationException
040    {
041        _isGranted = "true".equals(configuration.getChild("is-granted").getValue("true"));   
042    }
043    
044    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
045    {
046        Request request = ObjectModelHelper.getRequest(objectModel);
047        Boolean granted = (Boolean) request.getAttribute(AuthenticateAction.REQUEST_ATTRIBUTE_GRANTED);
048        if (Boolean.TRUE.equals(granted) && _isGranted
049                || !(Boolean.TRUE.equals(granted)) && !_isGranted)
050        {
051            return Collections.EMPTY_MAP;
052        }
053        else
054        {
055            return null;
056        }
057    }
058}