/**
* Copyright (C) 2012 JBoss Inc
*
* 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.
*/
package org.jboss.dashboard.ui.controller.requestChain;
import org.jboss.dashboard.ui.HTTPSettings;
import org.jboss.dashboard.ui.UIServices;
import org.jboss.dashboard.ui.components.URLMarkupGenerator;
import org.jboss.dashboard.ui.components.RedirectionHandler;
import org.jboss.dashboard.ui.controller.ControllerServletHelper;
import org.jboss.dashboard.ui.controller.RequestMultipartWrapper;
import org.jboss.dashboard.ui.controller.SessionTmpDirFactory;
import org.jboss.dashboard.ui.controller.responses.RedirectToURLResponse;
import org.jboss.dashboard.ui.taglib.ContextTag;
import org.jboss.dashboard.factory.Factory;
import java.io.IOException;
import java.util.Map;
import java.util.HashMap;
import org.apache.commons.lang.StringEscapeUtils;
/**
* Handles multipart requests, building wrapper around the request object
* in order to support files uploading.
*/
public class MultipartProcessor extends RequestChainProcessor {
private static transient org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory.getLog(MultipartProcessor.class.getName());
private String errorRedirectPage = "fileTooBig.jsp";
public String getErrorRedirectPage() {
return errorRedirectPage;
}
public void setErrorRedirectPage(String errorRedirectPage) {
this.errorRedirectPage = errorRedirectPage;
}
/**
* Make required processing of request.
*
* @return true if processing must continue, false otherwise.
*/
protected boolean processRequest() throws Exception {
/*
* Hack for handling multipart requests.
*/
String contentType = getRequest().getContentType();
String method = getRequest().getMethod();
HTTPSettings webSettings = HTTPSettings.lookup();
if ("POST".equalsIgnoreCase(method) && contentType != null && contentType.startsWith("multipart") && webSettings.isMultipartProcessing()) {
log.debug("Found multipart request. Building wrapper");
String tmpDir = SessionTmpDirFactory.getTmpDir(getRequest());
if (log.isDebugEnabled())
log.debug("Extracting to dir " + tmpDir);
int maxSize = webSettings.getMaxPostSize() * 1024;
if (log.isDebugEnabled()) {
log.debug("Max post size is : " + maxSize + " bytes");
log.debug("Encoding is: " + webSettings.getEncoding());
}
try {
RequestMultipartWrapper wrap = new RequestMultipartWrapper(getRequest(), tmpDir, maxSize, webSettings.getEncoding());
log.debug("Multipart request parsed: ");
log.debug("getting files from request");
ControllerServletHelper.lookup().initThreadLocal(wrap, getResponse());
}
catch (IOException ioe) {
log.warn("IOException processing multipart ", ioe);
log.warn("Invalid " + method + ": URL=" + getRequest().getRequestURL() + ". QueryString=" + getRequest().getQueryString());
URLMarkupGenerator markupGenerator = UIServices.lookup().getUrlMarkupGenerator();
if (markupGenerator != null) {
Map paramsMap = new HashMap();
paramsMap.put(RedirectionHandler.PARAM_PAGE_TO_REDIRECT, getErrorRedirectPage());
String uri = ContextTag.getContextPath(markupGenerator.getMarkup("org.jboss.dashboard.ui.components.RedirectionHandler", "redirectToSection", paramsMap), getRequest());
uri = StringEscapeUtils.unescapeHtml(uri);
getControllerStatus().setResponse(new RedirectToURLResponse(uri, !uri.startsWith(getRequest().getContextPath())));
}
return false;
}
}
return true;
}
}