001/*
002 *  Copyright 2022 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.util;
017
018import java.nio.charset.StandardCharsets;
019import java.util.Base64;
020import java.util.Map;
021
022import org.apache.avalon.framework.parameters.Parameters;
023import org.apache.avalon.framework.thread.ThreadSafe;
024import org.apache.cocoon.acting.AbstractAction;
025import org.apache.cocoon.environment.Redirector;
026import org.apache.cocoon.environment.SourceResolver;
027
028/**
029 * This action decodes a Base64 encoded string passed through source
030 */
031public class DecodeBase64Action extends AbstractAction implements ThreadSafe
032{
033    /** The result key for decoded id */
034    public static final String DECODED_RESULT = "decodedString";
035    
036    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
037    {
038        String decodedId = new String(Base64.getUrlDecoder().decode(source), StandardCharsets.UTF_8);
039        return Map.of(DECODED_RESULT, decodedId);
040    }
041
042}