/*
* Aipo is a groupware program developed by TOWN, Inc.
* Copyright (C) 2004-2015 TOWN, Inc.
* http://www.aipo.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.aimluck.eip.modules.screens;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import org.apache.jetspeed.om.security.JetspeedUser;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.turbine.util.RunData;
import org.apache.velocity.context.Context;
import com.aimluck.eip.util.ALEipUtils;
import com.aimluck.eip.util.ALURLConnectionUtils;
/**
* 各ポートレットでの添付ファイルを表示させるクラスです。 <br />
*
*/
public class ProxyScreen extends ALVelocityScreen {
/** logger */
private static final JetspeedLogger logger = JetspeedLogFactoryService
.getLogger(ProxyScreen.class.getName());
/**
*
* @param rundata
* @param context
* @throws Exception
*/
@Override
protected void doOutput(RunData rundata, Context context) throws Exception {
JetspeedUser loginuser = (JetspeedUser) rundata.getUser();
if (loginuser == null || !loginuser.hasLoggedIn()) {
return;
}
String urlString = ALEipUtils.getParameter(rundata, context, "url");
if (urlString == null || urlString.equals("")) {
return;
}
// normalize()でエラーが起きないようにurlStringから改行コードを排除する処理
urlString = urlString.replaceAll("\\n", "");
URI uri = new URI(urlString).normalize();
String path =
uri.getPath().replaceAll("\\.\\./", "").replaceAll("\\./", "");
URL url =
new URL(String.format(
"%s://%s%s",
uri.getScheme(),
uri.getAuthority(),
path));
URLConnection urlCon = ALURLConnectionUtils.openUrlConnection(url);
urlCon.addRequestProperty("User-Agent", ALURLConnectionUtils.USER_AGENT);
urlCon.addRequestProperty(
"Accept-Encoding",
ALURLConnectionUtils.ACCEPT_ENCODING);
InputStream in = urlCon.getInputStream();
ServletOutputStream out = null;
HttpServletResponse response = rundata.getResponse();
out = response.getOutputStream();
try {
byte[] buf = new byte[1024];
int len = 0;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
out.flush();
} finally {
out.close();
in.close();
}
}
/**
* @return
*/
@Override
protected String getPortletName() {
return null;
}
}