/
ForceRequestHeaderValueRuleTest.java
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/
ForceRequestHeaderValueRuleTest.java
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//
// ========================================================================
// Copyright (c) 2015-2021 WebTide LLC and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.rewrite.handler;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.Collections;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.http.HttpTester;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.LocalConnector;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.eclipse.jetty.server.handler.HandlerList;
import org.eclipse.jetty.util.component.LifeCycle;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.not;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class ForceRequestHeaderValueRuleTest
{
private Server server;
private LocalConnector connector;
private ForceRequestHeaderValueRule rule;
@BeforeEach
public void setup() throws Exception
{
server = new Server();
connector = new LocalConnector(server);
server.addConnector(connector);
HandlerList handlers = new HandlerList();
RewriteHandler rewriteHandler = new RewriteHandler();
rule = new ForceRequestHeaderValueRule();
rewriteHandler.addRule(rule);
Handler handler = new AbstractHandler()
{
@Override
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
response.setContentType("text/plain");
response.setCharacterEncoding("utf-8");
OutputStream stream = response.getOutputStream();
OutputStreamWriter out = new OutputStreamWriter(stream);
out.append("Echo\n");
for (String headerName : Collections.list(request.getHeaderNames()))
{
// Combine all values for header into single output on response body
out.append("Request Header[").append(headerName).append("]: [")
.append(request.getHeader(headerName)).append("]\n");
}
out.flush();
baseRequest.setHandled(true);
}
};
handlers.addHandler(rewriteHandler);
handlers.addHandler(handler);
server.setHandler(handlers);
server.start();
}
@AfterEach
public void teardown()
{
LifeCycle.stop(server);
}
@Test
public void testNormalRequest() throws Exception
{
rule.setHeaderName("Accept");
rule.setForcedValue("*/*");
StringBuilder request = new StringBuilder();
request.append("GET /echo/foo HTTP/1.1\r\n");
request.append("Host: local\r\n");
request.append("Connection: closed\r\n");
request.append("\r\n");
HttpTester.Response response = HttpTester.parseResponse(connector.getResponse(request.toString()));
assertEquals(200, response.getStatus());
assertThat(response.getContent(), not(containsString("[Accept]")));
assertThat(response.getContent(), containsString("[Host]: [local]"));
assertThat(response.getContent(), containsString("[Connection]: [closed]"));
}
@Test
public void testOneAcceptHeaderRequest() throws Exception
{
rule.setHeaderName("Accept");
rule.setForcedValue("*/*");
StringBuilder request = new StringBuilder();
request.append("GET /echo/foo HTTP/1.1\r\n");
request.append("Host: local\r\n");
request.append("Accept: */*\r\n");
request.append("Connection: closed\r\n");
request.append("\r\n");
String rawResponse = connector.getResponse(request.toString());
HttpTester.Response response = HttpTester.parseResponse(rawResponse);
assertEquals(200, response.getStatus());
assertThat(response.getContent(), containsString("[Accept]: [*/*]"));
assertThat(response.getContent(), containsString("[Host]: [local]"));
assertThat(response.getContent(), containsString("[Connection]: [closed]"));
}
@Test
public void testThreeAcceptHeadersRequest() throws Exception
{
rule.setHeaderName("Accept");
rule.setForcedValue("*/*");
StringBuilder request = new StringBuilder();
request.append("GET /echo/foo HTTP/1.1\r\n");
request.append("Host: local\r\n");
request.append("Accept: images/jpeg\r\n");
request.append("Accept: text/plain\r\n");
request.append("Accept: */*\r\n");
request.append("Connection: closed\r\n");
request.append("\r\n");
String rawResponse = connector.getResponse(request.toString());
HttpTester.Response response = HttpTester.parseResponse(rawResponse);
assertEquals(200, response.getStatus());
assertThat(response.getContent(), containsString("[Accept]: [*/*]"));
assertThat(response.getContent(), containsString("[Host]: [local]"));
assertThat(response.getContent(), containsString("[Connection]: [closed]"));
}
@Test
public void testInterleavedAcceptHeadersRequest() throws Exception
{
rule.setHeaderName("Accept");
rule.setForcedValue("*/*");
StringBuilder request = new StringBuilder();
request.append("GET /echo/foo HTTP/1.1\r\n");
request.append("Host: local\r\n");
request.append("Accept: images/jpeg\r\n"); // not value intended to be forced
request.append("Accept-Encoding: gzip;q=1.0, identity; q=0.5, *;q=0\r\n");
request.append("accept: text/plain\r\n"); // interleaved with other headers shouldn't matter
request.append("Accept-Charset: iso-8859-5, unicode-1-1;q=0.8\r\n");
request.append("ACCEPT: */*\r\n"); // case shouldn't matter
request.append("Connection: closed\r\n");
request.append("\r\n");
String rawResponse = connector.getResponse(request.toString());
HttpTester.Response response = HttpTester.parseResponse(rawResponse);
assertEquals(200, response.getStatus());
assertThat(response.getContent(), containsString("[Accept]: [*/*]"));
assertThat(response.getContent(), containsString("[Accept-Charset]: [iso-8859-5, unicode-1-1;q=0.8]"));
assertThat(response.getContent(), containsString("[Accept-Encoding]: [gzip;q=1.0, identity; q=0.5, *;q=0]"));
assertThat(response.getContent(), containsString("[Host]: [local]"));
assertThat(response.getContent(), containsString("[Connection]: [closed]"));
}
}