/*
* 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.catalina.connector;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.nio.charset.MalformedInputException;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
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;
import org.apache.tomcat.util.buf.TestUtf8;
import org.apache.tomcat.util.buf.TestUtf8.Utf8TestCase;
public class TestInputBuffer extends TomcatBaseTest {
@Test
public void testUtf8Body() throws Exception {
Tomcat tomcat = getTomcatInstance();
Context root = tomcat.addContext("", TEMP_DIR);
Tomcat.addServlet(root, "Echo", new Utf8Echo());
root.addServletMappingDecoded("/test", "Echo");
tomcat.start();
for (Utf8TestCase testCase : TestUtf8.TEST_CASES) {
String expected = null;
if (testCase.invalidIndex == -1) {
expected = testCase.outputReplaced;
}
doUtf8BodyTest(testCase.description, testCase.input, expected);
}
}
@Test
public void testBug60400() throws Exception {
Tomcat tomcat = getTomcatInstance();
Context root = tomcat.addContext("", TEMP_DIR);
Tomcat.addServlet(root, "Bug60400Servlet", new Bug60400Servlet());
root.addServletMappingDecoded("/", "Bug60400Servlet");
Assert.assertTrue(tomcat.getConnector().setProperty("socket.appReadBufSize", "9000"));
tomcat.start();
ByteChunk bc = new ByteChunk();
byte[] requestBody = new byte[9500];
Arrays.fill(requestBody, (byte) 1);
int rc = postUrl(requestBody, "http://localhost:" + getPort() + "/", bc, null);
Assert.assertEquals(HttpServletResponse.SC_OK, rc);
Assert.assertEquals(requestBody.length, bc.getLength());
}
private void doUtf8BodyTest(String description, int[] input, String expected) throws Exception {
byte[] bytes = new byte[input.length];
for (int i = 0; i < input.length; i++) {
bytes[i] = (byte) input[i];
}
ByteChunk bc = new ByteChunk();
int rc = postUrl(bytes, "http://localhost:" + getPort() + "/test", bc, null);
if (expected == null) {
Assert.assertEquals(description, HttpServletResponse.SC_OK, rc);
Assert.assertEquals(description, "FAILED", bc.toString());
} else if (expected.length() == 0) {
Assert.assertNull(description, bc.toString());
} else {
bc.setCharset(StandardCharsets.UTF_8);
Assert.assertEquals(description, expected, bc.toString());
}
}
private static class Utf8Echo extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// Should use POST
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
req.setCharacterEncoding("UTF-8");
Reader r = req.getReader();
resp.setCharacterEncoding("UTF-8");
resp.setContentType("text/plain");
Writer w = resp.getWriter();
try {
// Copy one character at a time
int c = r.read();
while (c != -1) {
w.write(c);
c = r.read();
}
w.close();
} catch (MalformedInputException mie) {
resp.resetBuffer();
w.write("FAILED");
}
}
}
private static class Bug60400Servlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
StringBuilder builder = new StringBuilder();
try (BufferedReader reader = req.getReader()) {
String line;
while ((line = reader.readLine()) != null) {
builder.append(line);
}
}
resp.getWriter().print(builder);
}
}
}