/*
* 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.http11;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.apache.catalina.Context;
import org.apache.catalina.startup.SimpleHttpClient;
import org.apache.catalina.startup.TesterServlet;
import org.apache.catalina.startup.Tomcat;
import org.apache.catalina.startup.TomcatBaseTest;
public class TestInternalInputBuffer extends TomcatBaseTest {
/**
* Test case for https://issues.apache.org/bugzilla/show_bug.cgi?id=48839
*/
@Test
public void testBug48839() {
Bug48839Client client = new Bug48839Client();
client.doRequest();
assertTrue(client.isResponse200());
assertTrue(client.isResponseBodyOK());
}
/**
* Bug 48839 test client.
*/
private class Bug48839Client extends SimpleHttpClient {
private Exception doRequest() {
Tomcat tomcat = getTomcatInstance();
Context root = tomcat.addContext("", TEMP_DIR);
Tomcat.addServlet(root, "Bug48839", new Bug48839Servlet());
root.addServletMapping("/test", "Bug48839");
try {
tomcat.start();
setPort(tomcat.getConnector().getLocalPort());
// Open connection
connect();
String[] request = new String[1];
request[0] =
"GET http://localhost:8080/test HTTP/1.1" + CRLF +
"X-Bug48839: abcd" + CRLF +
"\tefgh" + CRLF +
"Connection: close" + CRLF +
CRLF;
setRequest(request);
processRequest(); // blocks until response has been read
// Close the connection
disconnect();
} catch (Exception e) {
return e;
}
return null;
}
@Override
public boolean isResponseBodyOK() {
if (getResponseBody() == null) {
return false;
}
if (!getResponseBody().contains("abcd\tefgh")) {
return false;
}
return true;
}
}
private static class Bug48839Servlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* Only interested in the request headers from a GET request
*/
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// Just echo the header value back as plain text
resp.setContentType("text/plain");
PrintWriter out = resp.getWriter();
Enumeration<String> values = req.getHeaders("X-Bug48839");
while (values.hasMoreElements()) {
out.println(values.nextElement());
}
}
}
@Test
public void testBug51557NoColon() {
Bug51557Client client = new Bug51557Client("X-Bug51557NoColon");
client.doRequest();
assertTrue(client.isResponse200());
assertEquals("abcd", client.getResponseBody());
assertTrue(client.isResponseBodyOK());
}
@Test
public void testBug51557Separators() throws Exception {
char httpSeparators[] = new char[] {
'\t', ' ', '\"', '(', ')', ',', '/', ':', ';', '<',
'=', '>', '?', '@', '[', '\\', ']', '{', '}' };
for (char s : httpSeparators) {
doTestBug51557Char(s);
tearDown();
setUp();
}
}
@Test
public void testBug51557Ctl() throws Exception {
for (int i = 0; i < 31; i++) {
doTestBug51557Char((char) i);
tearDown();
setUp();
}
doTestBug51557Char((char) 127);
}
@Test
public void testBug51557Continuation() {
Bug51557Client client = new Bug51557Client("X-Bug=51557NoColon",
"foo" + SimpleHttpClient.CRLF + " bar");
client.doRequest();
assertTrue(client.isResponse200());
assertEquals("abcd", client.getResponseBody());
assertTrue(client.isResponseBodyOK());
}
@Test
public void testBug51557BoundaryStart() {
Bug51557Client client = new Bug51557Client("=X-Bug51557",
"invalid");
client.doRequest();
assertTrue(client.isResponse200());
assertEquals("abcd", client.getResponseBody());
assertTrue(client.isResponseBodyOK());
}
@Test
public void testBug51557BoundaryEnd() {
Bug51557Client client = new Bug51557Client("X-Bug51557=",
"invalid");
client.doRequest();
assertTrue(client.isResponse200());
assertEquals("abcd", client.getResponseBody());
assertTrue(client.isResponseBodyOK());
}
private void doTestBug51557Char(char s) {
Bug51557Client client =
new Bug51557Client("X-Bug" + s + "51557", "invalid");
client.doRequest();
assertTrue(client.isResponse200());
assertEquals("abcd", client.getResponseBody());
assertTrue(client.isResponseBodyOK());
}
/**
* Bug 51557 test client.
*/
private class Bug51557Client extends SimpleHttpClient {
private String headerName;
private String headerLine;
public Bug51557Client(String headerName) {
this.headerName = headerName;
this.headerLine = headerName;
}
public Bug51557Client(String headerName, String headerValue) {
this.headerName = headerName;
this.headerLine = headerName + ": " + headerValue;
}
private Exception doRequest() {
Tomcat tomcat = getTomcatInstance();
Context root = tomcat.addContext("", TEMP_DIR);
Tomcat.addServlet(root, "Bug51557",
new Bug51557Servlet(headerName));
root.addServletMapping("/test", "Bug51557");
try {
tomcat.start();
setPort(tomcat.getConnector().getLocalPort());
// Open connection
connect();
String[] request = new String[1];
request[0] =
"GET http://localhost:8080/test HTTP/1.1" + CRLF +
headerLine + CRLF +
"X-Bug51557: abcd" + CRLF +
"Connection: close" + CRLF +
CRLF;
setRequest(request);
processRequest(); // blocks until response has been read
// Close the connection
disconnect();
} catch (Exception e) {
return e;
}
return null;
}
@Override
public boolean isResponseBodyOK() {
if (getResponseBody() == null) {
return false;
}
if (!getResponseBody().contains("abcd")) {
return false;
}
return true;
}
}
private static class Bug51557Servlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private String invalidHeaderName;
/**
* @param invalidHeaderName The header name should be invalid and
* therefore ignored by the header parsing code
*/
public Bug51557Servlet(String invalidHeaderName) {
this.invalidHeaderName = invalidHeaderName;
}
/**
* Only interested in the request headers from a GET request
*/
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// Just echo the header value back as plain text
resp.setContentType("text/plain");
PrintWriter out = resp.getWriter();
processHeaders(invalidHeaderName, req, out);
processHeaders("X-Bug51557", req, out);
}
private void processHeaders(String header, HttpServletRequest req,
PrintWriter out) {
Enumeration<String> values = req.getHeaders(header);
while (values.hasMoreElements()) {
out.println(values.nextElement());
}
}
}
/**
* Test case for new lines at the start of a request. RFC2616
* does not permit any, but Tomcat is tolerant of them if they are present.
*/
@Test
public void testNewLines() {
NewLinesClient client = new NewLinesClient(10);
client.doRequest();
assertTrue(client.isResponse200());
assertTrue(client.isResponseBodyOK());
}
/**
* Test case for new lines at the start of a request. RFC2616
* does not permit any, but Tomcat is tolerant of them if they are present.
*/
@Test
public void testNewLinesExcessive() {
NewLinesClient client = new NewLinesClient(10000);
// If the connection is closed fast enough, writing the request will
// fail and the response won't be read.
Exception e = client.doRequest();
if (e == null) {
assertTrue(client.isResponse400());
}
assertFalse(client.isResponseBodyOK());
}
private class NewLinesClient extends SimpleHttpClient {
private final String newLines;
private NewLinesClient(int count) {
StringBuilder sb = new StringBuilder(count * 2);
for (int i = 0; i < count; i++) {
sb.append(CRLF);
}
newLines = sb.toString();
}
private Exception doRequest() {
Tomcat tomcat = getTomcatInstance();
Context root = tomcat.addContext("", TEMP_DIR);
Tomcat.addServlet(root, "test", new TesterServlet());
root.addServletMapping("/test", "test");
try {
tomcat.start();
setPort(tomcat.getConnector().getLocalPort());
// Open connection
connect();
String[] request = new String[1];
request[0] =
newLines +
"GET http://localhost:8080/test HTTP/1.1" + CRLF +
"X-Bug48839: abcd" + CRLF +
"\tefgh" + CRLF +
"Connection: close" + CRLF +
CRLF;
setRequest(request);
processRequest(); // blocks until response has been read
// Close the connection
disconnect();
} catch (Exception e) {
return e;
}
return null;
}
@Override
public boolean isResponseBodyOK() {
if (getResponseBody() == null) {
return false;
}
if (!getResponseBody().contains("OK")) {
return false;
}
return true;
}
}
/**
* Test case for https://issues.apache.org/bugzilla/show_bug.cgi?id=54947
*/
@Test
public void testBug54947() {
Bug54947Client client = new Bug54947Client();
client.doRequest();
assertTrue(client.isResponse200());
assertTrue(client.isResponseBodyOK());
}
/**
* Bug 54947 test client.
*/
private class Bug54947Client extends SimpleHttpClient {
private Exception doRequest() {
Tomcat tomcat = getTomcatInstance();
Context root = tomcat.addContext("", TEMP_DIR);
Tomcat.addServlet(root, "Bug54947", new TesterServlet());
root.addServletMapping("/test", "Bug54947");
try {
tomcat.start();
setPort(tomcat.getConnector().getLocalPort());
// Open connection
connect();
String[] request = new String[2];
request[0] = "GET http://localhost:8080/test HTTP/1.1" + CR;
request[1] = LF +
"Connection: close" + CRLF +
CRLF;
setRequest(request);
processRequest(); // blocks until response has been read
// Close the connection
disconnect();
} catch (Exception e) {
return e;
}
return null;
}
@Override
public boolean isResponseBodyOK() {
if (getResponseBody() == null) {
return false;
}
if (!getResponseBody().contains("OK")) {
return false;
}
return true;
}
}
}