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StompDecoder handles partial headers correctly 

Issue: SPR-13416
This commit is contained in:
Rossen Stoyanchev 2015-09-23 16:50:46 -04:00
parent 54d3d782a9
commit daa49c9bcd
2 changed files with 31 additions and 7 deletions
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9
spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompDecoder.java
View File

@ -208,10 +208,15 @@ public class StompDecoder {
private void readHeaders(ByteBuffer buffer, StompHeaderAccessor headerAccessor) {
while (true) {
ByteArrayOutputStream headerStream = new ByteArrayOutputStream(256);
while (buffer.remaining() > 0 && !tryConsumeEndOfLine(buffer)) {
boolean headerComplete = false;
while (buffer.hasRemaining()) {
if (tryConsumeEndOfLine(buffer)) {
headerComplete = true;
break;
}
headerStream.write(buffer.get());
}
if (headerStream.size() > 0) {
if (headerStream.size() > 0 && headerComplete) {
String header = new String(headerStream.toByteArray(), UTF8_CHARSET);
int colonIndex = header.indexOf(':');
if (colonIndex <= 0) {

29
spring-messaging/src/test/java/org/springframework/messaging/simp/stomp/BufferingStompDecoderTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -25,7 +25,9 @@ import org.junit.Test;
import org.springframework.messaging.Message;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
/**
* Unit tests for {@link BufferingStompDecoder}.
@ -177,14 +179,31 @@ public class BufferingStompDecoderTests {
assertEquals(0, messages.size());
}
@Test(expected = StompConversionException.class) // SPR-12418
public void endingBackslashHeaderValueCheck() {
// SPR-13416
@Test
public void incompleteHeaderWithPartialEscapeSequence() throws Exception {
BufferingStompDecoder stompDecoder = new BufferingStompDecoder(STOMP_DECODER, 128);
String chunk = "SEND\na:long\\";
List<Message<byte[]>> messages = stompDecoder.decode(toByteBuffer(chunk));
assertEquals(0, messages.size());
}
@Test(expected = StompConversionException.class)
public void invalidEscapeSequence() {
BufferingStompDecoder stompDecoder = new BufferingStompDecoder(STOMP_DECODER, 128);
String payload = "SEND\na:alpha\\x\\n\nMessage body\0";
stompDecoder.decode(toByteBuffer(payload));
}
@Test(expected = StompConversionException.class)
public void invalidEscapeSequenceWithSingleSlashAtEndOfHeaderValue() {
BufferingStompDecoder stompDecoder = new BufferingStompDecoder(STOMP_DECODER, 128);
String payload = "SEND\na:alpha\\\n\nMessage body\0";
stompDecoder.decode(toByteBuffer(payload));
}
private ByteBuffer toByteBuffer(String chunk) {
return ByteBuffer.wrap(chunk.getBytes(Charset.forName("UTF-8")));
}