001/*
002 *  Copyright 2014 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.plugins.core.captcha;
017
018import java.awt.image.BufferedImage;
019import java.util.Map;
020
021import org.apache.avalon.framework.parameters.Parameters;
022import org.apache.cocoon.acting.AbstractAction;
023import org.apache.cocoon.environment.ObjectModelHelper;
024import org.apache.cocoon.environment.Redirector;
025import org.apache.cocoon.environment.Request;
026import org.apache.cocoon.environment.SourceResolver;
027import org.apache.commons.lang.StringUtils;
028
029import org.ametys.core.captcha.BufferedImageReader;
030import org.ametys.core.captcha.CaptchaHelper;
031
032/**
033 * Creates a captcha using the id given as src
034 */
035public class CreateCaptchaAction extends AbstractAction
036{
037    @Override
038    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
039    {
040        String cancelledKey = parameters.getParameter("cancelledKey", "");
041        if (StringUtils.isNotEmpty(cancelledKey))
042        {
043            CaptchaHelper.removeCaptcha(cancelledKey);
044        }
045        
046        boolean fisheye = parameters.getParameterAsBoolean("fisheye", false);
047        boolean noise = parameters.getParameterAsBoolean("noise", false);
048        int color = parameters.getParameterAsInteger("color", 0x000000);
049        int width = parameters.getParameterAsInteger("width", 200);
050        int height = parameters.getParameterAsInteger("height", 50);
051        
052        BufferedImage bi = CaptchaHelper.generateImageCaptcha(source, new Integer(color), noise, fisheye, width, height);
053        
054        Request request = ObjectModelHelper.getRequest(objectModel);
055        request.setAttribute(BufferedImageReader.REQUEST_ATTRIBUTE, bi);
056        
057        return EMPTY_MAP;
058    }
059
060}