/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.gateway.filter.rewrite.impl;
import org.apache.hadoop.gateway.filter.GatewayResponseWrapper;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.OutputStream;
public class CookieScopeResponseWrapper extends GatewayResponseWrapper {
private static final String SET_COOKIE = "Set-Cookie";
private static final String COOKIE_PATH = "Path=/";
private final String scopePath;
public CookieScopeResponseWrapper(HttpServletResponse response, String gatewayPath) {
super(response);
this.scopePath = COOKIE_PATH + gatewayPath + "/";
}
@Override
public void addHeader(String name, String value) {
if (SET_COOKIE.equals(name)) {
String updatedCookie;
if (value.contains(COOKIE_PATH)) {
updatedCookie = value.replace(COOKIE_PATH, scopePath);
} else {
// append the scope path
updatedCookie = String.format("%s %s;", value, scopePath);
}
super.addHeader(name, updatedCookie);
} else {
super.addHeader(name, value);
}
}
@Override
public OutputStream getRawOutputStream() throws IOException {
return getResponse().getOutputStream();
}
}