/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.hdfsproxy;
import org.apache.hadoop.security.UserGroupInformation;
import javax.servlet.http.HttpServletRequest;
public class ProxyFileForward extends ProxyForwardServlet {
/** For java.io.Serializable */
private static final long serialVersionUID = 1L;
/** {@inheritDoc} */
@Override
protected String buildForwardPath(HttpServletRequest request, String pathInfo) {
String path = "/streamFile";
path += "?filename=" + request.getPathInfo();
String userID = (String) request.
getAttribute("org.apache.hadoop.hdfsproxy.authorized.userID");
UserGroupInformation ugi = ProxyUtil.getProxyUGIFor(userID);
if (ugi != null) {
path += "&ugi=" + ugi.getShortUserName();
}
return path;
}
}