/*
* 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.http2;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.junit.Assert;
import org.junit.Test;
import org.apache.catalina.Context;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.startup.Tomcat;
public class TestAbortedUpload extends Http2TestBase {
@Test
public void testAbortedRequest() throws Exception {
http2Connect();
Http2Protocol http2Protocol =
(Http2Protocol) getTomcatInstance().getConnector().findUpgradeProtocols()[0];
http2Protocol.setAllowedTrailerHeaders(TRAILER_HEADER_NAME);
int bodySize = 8192;
int bodyCount = 20;
byte[] headersFrameHeader = new byte[9];
ByteBuffer headersPayload = ByteBuffer.allocate(128);
byte[] dataFrameHeader = new byte[9];
ByteBuffer dataPayload = ByteBuffer.allocate(bodySize);
byte[] trailerFrameHeader = new byte[9];
ByteBuffer trailerPayload = ByteBuffer.allocate(256);
buildPostRequest(headersFrameHeader, headersPayload, false, dataFrameHeader, dataPayload,
null, trailerFrameHeader, trailerPayload, 3);
// Write the headers
writeFrame(headersFrameHeader, headersPayload);
// Body
for (int i = 0; i < bodyCount; i++) {
writeFrame(dataFrameHeader, dataPayload);
}
// Trailers
writeFrame(trailerFrameHeader, trailerPayload);
// The actual response depends on timing issues. Particularly how much
// data is transferred in StreamInputBuffer inBuffer to outBuffer on the
// first read.
while (output.getTrace().length() == 0) {
try {
parser.readFrame(true);
if ("3-RST-[3]\n".equals(output.getTrace())) {
output.clearTrace();
}
} catch (IOException ioe) {
// Might not be any further frames after the reset
break;
}
}
if (output.getTrace().startsWith("0-WindowSize-[")) {
String trace = output.getTrace();
int size = Integer.parseInt(trace.substring(14, trace.length() - 2));
output.clearTrace();
// Window updates always come in pairs
parser.readFrame(true);
Assert.assertEquals("3-WindowSize-[" + size + "]\n", output.getTrace());
}
}
@Override
protected void configureAndStartWebApplication() throws LifecycleException {
Tomcat tomcat = getTomcatInstance();
// Retain '/simple' url-pattern since it enables code re-use
Context ctxt = tomcat.addContext("", null);
Tomcat.addServlet(ctxt, "abort", new AbortServlet());
ctxt.addServletMappingDecoded("/simple", "abort");
tomcat.start();
}
private static class AbortServlet extends SimpleServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// Read upto 128 bytes and then return a 403 response
InputStream is = req.getInputStream();
byte[] buf = new byte[128];
int toRead = 128;
int read = is.read(buf);
while (read != -1 && toRead > 0) {
toRead -= read;
read = is.read(buf);
}
if (toRead == 0) {
resp.setStatus(HttpServletResponse.SC_FORBIDDEN);
} else {
resp.setStatus(HttpServletResponse.SC_OK);
}
}
}
}