/*
* 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.coyote;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.junit.Assert;
import org.junit.Test;
import org.apache.catalina.Context;
import org.apache.catalina.startup.Tomcat;
import org.apache.catalina.startup.TomcatBaseTest;
import org.apache.tomcat.util.buf.ByteChunk;
public class TestResponse extends TomcatBaseTest {
/*
* https://bz.apache.org/bugzilla/show_bug.cgi?id=61197
*/
@Test
public void testUserCharsetIsRetained() throws Exception {
Tomcat tomcat = getTomcatInstance();
// No file system docBase required
Context ctx = getProgrammaticRootContext();
// Add servlet
Tomcat.addServlet(ctx, "CharsetServlet", new CharsetServlet());
ctx.addServletMappingDecoded("/*", "CharsetServlet");
tomcat.start();
ByteChunk responseBody = new ByteChunk();
Map<String,List<String>> responseHeaders = new HashMap<>();
int rc = getUrl("http://localhost:" + getPort() + "/test?charset=uTf-8", responseBody,
responseHeaders);
Assert.assertEquals(HttpServletResponse.SC_OK, rc);
String contentType = getSingleHeader("Content-Type", responseHeaders);
Assert.assertEquals("text/plain;charset=uTf-8", contentType);
}
private static class CharsetServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setContentType("text/plain");
resp.setCharacterEncoding(req.getParameter("charset"));
resp.getWriter().print("OK");
}
}
@Test
public void testContentTypeWithSpace() throws Exception {
doTestContentTypeSpacing(true);
}
@Test
public void testContentTypeWithoutSpace() throws Exception {
doTestContentTypeSpacing(false);
}
private void doTestContentTypeSpacing(boolean withSpace) throws Exception {
Tomcat tomcat = getTomcatInstance();
// No file system docBase required
Context ctx = getProgrammaticRootContext();
// Add servlet
Tomcat.addServlet(ctx, "ContentTypeServlet", new ContentTypeServlet());
ctx.addServletMappingDecoded("/*", "ContentTypeServlet");
tomcat.start();
ByteChunk responseBody = new ByteChunk();
Map<String,List<String>> responseHeaders = new HashMap<>();
StringBuilder uri = new StringBuilder("http://localhost:");
uri.append(getPort());
uri.append("/test");
if (withSpace) {
uri.append("?withSpace=true");
}
int rc = getUrl(uri.toString(), responseBody, responseHeaders);
Assert.assertEquals(HttpServletResponse.SC_OK, rc);
String contentType = getSingleHeader("Content-Type", responseHeaders);
StringBuilder expected = new StringBuilder("text/plain;");
if (withSpace) {
expected.append(' ');
}
expected.append("v=1;charset=UTF-8");
Assert.assertEquals(expected.toString() , contentType);
}
private static class ContentTypeServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
if (req.getParameter("withSpace") == null) {
resp.setContentType("text/plain;v=1");
} else {
resp.setContentType("text/plain; v=1");
}
resp.setCharacterEncoding("UTF-8");
resp.getWriter().print("OK");
}
}
}