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/*
* 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.PrintWriter;
import java.nio.ByteBuffer;
import java.util.concurrent.CountDownLatch;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.junit.Assert;
import org.junit.Test;
import org.apache.catalina.Context;
import org.apache.catalina.startup.Tomcat;
import org.apache.tomcat.util.http.Method;
import org.apache.tomcat.util.http.MimeHeaders;
public class TestStandardSessionIntegrationHttp2 extends Http2TestBase {
@Test
public void testSessionIsNew() throws Exception {
enableHttp2();
Tomcat tomcat = getTomcatInstance();
Context ctxt = getProgrammaticRootContext();
// Need simple servlet for the HTTP upgrade
Tomcat.addServlet(ctxt, "simple", new SimpleServlet());
ctxt.addServletMappingDecoded("/simple", "simple");
// Servlet for this test
Tomcat.addServlet(ctxt, "session", new SessionServlet());
ctxt.addServletMappingDecoded("/session", "session");
tomcat.start();
openClientConnection();
doHttpUpgrade();
sendClientPreface();
validateHttp2InitialResponse();
output.setTraceBody(true);
// Make first request
// Generate headers
byte[] headersFrameHeader = new byte[9];
ByteBuffer headersPayload = ByteBuffer.allocate(128);
MimeHeaders headers = new MimeHeaders();
headers.addValue(":method").setString(Method.GET);
headers.addValue(":scheme").setString("http");
headers.addValue(":path").setString("/session");
headers.addValue(":authority").setString("localhost:" + getPort());
hpackEncoder.encode(headers, headersPayload);
headersPayload.flip();
ByteUtil.setThreeBytes(headersFrameHeader, 0, headersPayload.limit());
headersFrameHeader[3] = FrameType.HEADERS.getIdByte();
// Flags. end of headers (0x04). end of stream (0x01)
headersFrameHeader[4] = 0x05;
// Stream id
ByteUtil.set31Bits(headersFrameHeader, 5, 3);
writeFrame(headersFrameHeader, headersPayload);
// Read headers from first request
parser.readFrame();
// extract the session ID
String trace = output.getTrace();
int index = trace.indexOf("JSESSIONID=");
String sessionID = trace.substring(index + 11, index + 11 + 32);
output.clearTrace();
// Make second request - can just 'update' first request
headersPayload.clear();
headers.addValue("cookie").setString("JSESSIONID=" + sessionID);
hpackEncoder.encode(headers, headersPayload);
headersPayload.flip();
ByteUtil.setThreeBytes(headersFrameHeader, 0, headersPayload.limit());
// Stream id
ByteUtil.set31Bits(headersFrameHeader, 5, 5);
writeFrame(headersFrameHeader, headersPayload);
// Request 2 headers
parser.readFrame();
// body (request 1 or 2)
parser.readFrame();
// body (request 1 or 2)
parser.readFrame();
trace = output.getTrace();
Assert.assertTrue(trace, trace.contains("3-Body-OK"));
Assert.assertTrue(trace, trace.contains("5-Body-OK"));
}
private static class SessionServlet 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("UTF-8");
PrintWriter pw = resp.getWriter();
boolean pass = true;
HttpSession s = req.getSession(false);
CountDownLatch latch;
if (s == null) {
s = req.getSession(true);
if (!s.isNew()) {
// This is first request so session must be new.
pass = false;
}
latch = new CountDownLatch(1);
s.setAttribute("latch", latch);
// Return the session ID to the client
resp.flushBuffer();
// Wait for the second request to this session
while (latch.getCount() > 0) {
try {
latch.await();
} catch (InterruptedException e) {
// Ignore. Only proceed one the latch has counted down.
}
}
// Second request has accessed session. Client has joined the session.
if (s.isNew()) {
// Session should not be new once client has joined it.
pass = false;
}
} else {
if (s.isNew()) {
// This is second (or later) request. Client has joined the session. Sessions should not be new.
pass = false;
}
// Release the first request if it is still waiting.
latch = (CountDownLatch) s.getAttribute("latch");
latch.countDown();
}
if (pass) {
pw.print("OK");
} else {
pw.print("FAIL");
}
}
}
}
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