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The following commit(s) were added to refs/heads/master by this push:
new d7d4374 Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=63710
d7d4374 is described below
commit d7d4374d3f6726758e2bb61a553aa783ebfd565b
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Sep 12 21:05:11 2019 +0100
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=63710
No content-length on 304 responses (and other status codes)
---
java/org/apache/coyote/http2/StreamProcessor.java | 23 +++++++----
.../apache/coyote/http2/TestStreamProcessor.java | 47 ++++++++++++++++++++++
webapps/docs/changelog.xml | 5 +++
3 files changed, 67 insertions(+), 8 deletions(-)
diff --git a/java/org/apache/coyote/http2/StreamProcessor.java
b/java/org/apache/coyote/http2/StreamProcessor.java
index 1e8f6a7..c550f19 100644
--- a/java/org/apache/coyote/http2/StreamProcessor.java
+++ b/java/org/apache/coyote/http2/StreamProcessor.java
@@ -145,7 +145,7 @@ class StreamProcessor extends AbstractProcessor {
headers.addValue(":status").setString(Integer.toString(statusCode));
// Check to see if a response body is present
- if (!(statusCode < 200 || statusCode == 205 || statusCode == 304)) {
+ if (!(statusCode < 200 || statusCode == 204 || statusCode == 205 ||
statusCode == 304)) {
String contentType = coyoteResponse.getContentType();
if (contentType != null) {
headers.setValue("content-type").setString(contentType);
@@ -154,13 +154,20 @@ class StreamProcessor extends AbstractProcessor {
if (contentLanguage != null) {
headers.setValue("content-language").setString(contentLanguage);
}
- }
-
- // Add a content-length header if a content length has been set unless
- // the application has already added one
- long contentLength = coyoteResponse.getContentLengthLong();
- if (contentLength != -1 && headers.getValue("content-length") == null)
{
- headers.addValue("content-length").setLong(contentLength);
+ // Add a content-length header if a content length has been set
unless
+ // the application has already added one
+ long contentLength = coyoteResponse.getContentLengthLong();
+ if (contentLength != -1 && headers.getValue("content-length") ==
null) {
+ headers.addValue("content-length").setLong(contentLength);
+ }
+ } else {
+ if (statusCode == 205) {
+ // RFC 7231 requires the server to explicitly signal an empty
+ // response in this case
+ coyoteResponse.setContentLength(0);
+ } else {
+ coyoteResponse.setContentLength(-1);
+ }
}
// Add date header unless it is an informational response or the
diff --git a/test/org/apache/coyote/http2/TestStreamProcessor.java
b/test/org/apache/coyote/http2/TestStreamProcessor.java
index 6c85992..821fa40 100644
--- a/test/org/apache/coyote/http2/TestStreamProcessor.java
+++ b/test/org/apache/coyote/http2/TestStreamProcessor.java
@@ -16,9 +16,12 @@
*/
package org.apache.coyote.http2;
+import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
import javax.servlet.AsyncContext;
import javax.servlet.ServletException;
@@ -32,6 +35,7 @@ import org.junit.Test;
import org.apache.catalina.Context;
import org.apache.catalina.Wrapper;
import org.apache.catalina.startup.Tomcat;
+import org.apache.tomcat.util.http.FastHttpDateFormat;
public class TestStreamProcessor extends Http2TestBase {
@@ -111,6 +115,49 @@ public class TestStreamProcessor extends Http2TestBase {
}
+ @Test
+ public void testPrepareHeaders() throws Exception {
+ enableHttp2();
+
+ Tomcat tomcat = getTomcatInstance();
+
+ File appDir = new File("test/webapp");
+ Context ctxt = tomcat.addWebapp(null, "", appDir.getAbsolutePath());
+
+ Tomcat.addServlet(ctxt, "simple", new SimpleServlet());
+ ctxt.addServletMappingDecoded("/simple", "simple");
+
+ tomcat.start();
+
+ openClientConnection();
+ doHttpUpgrade();
+ sendClientPreface();
+ validateHttp2InitialResponse();
+
+ byte[] frameHeader = new byte[9];
+ ByteBuffer headersPayload = ByteBuffer.allocate(128);
+
+ List<Header> headers = new ArrayList<>(3);
+ headers.add(new Header(":method", "GET"));
+ headers.add(new Header(":scheme", "http"));
+ headers.add(new Header(":path", "/index.html"));
+ headers.add(new Header(":authority", "localhost:" + getPort()));
+ headers.add(new Header("if-modified-since",
FastHttpDateFormat.getCurrentDate()));
+
+ buildGetRequest(frameHeader, headersPayload, null, headers, 3);
+
+ writeFrame(frameHeader, headersPayload);
+
+ parser.readFrame(true);
+
+ Assert.assertEquals("3-HeadersStart\n" +
+ "3-Header-[:status]-[304]\n" +
+ "3-Header-[etag]-[W/\"934-1567674491000\"]\n" +
+ "3-Header-[date]-[Wed, 11 Nov 2015 19:18:42 GMT]\n" +
+ "3-HeadersEnd\n", output.getTrace());
+ }
+
+
private static final class AsyncComplete extends HttpServlet {
private static final long serialVersionUID = 1L;
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index cb4ea48..7bdf0e7 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -92,6 +92,11 @@
connection is consistent with the increased value. (markt)
</fix>
<fix>
+ <bug>63710</bug>: When using HTTP/2, ensure that a
+ <code>content-length</code> header is not set for those responses with
+ status codes that do not permit one. (markt)
+ </fix>
+ <fix>
<bug>63737</bug>: Correct various issues when parsing the
<code>accept-encoding</code> header to determine if gzip encoding is
supported including only parsing the first header found. (markt)
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