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Fix a bug where HttpObjectDecoder produces LastHttpContent after entering BAD_MESSAGE state

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- Fixes #2103
- Added LastHttpContent.EMPTY_LAST_CONTENT.toString() for athestic reasons.
This commit is contained in:
Trustin Lee 2014-01-10 16:16:02 +09:00
parent 5dd5e6abaf
commit 0244e35fa6
3 changed files with 41 additions and 1 deletions
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5
codec-http/src/main/java/io/netty/handler/codec/http/HttpObjectDecoder.java
View File

@ -438,7 +438,10 @@ public abstract class HttpObjectDecoder extends ReplayingDecoder<HttpObjectDecod
message = createInvalidMessage();
message.setDecoderResult(DecoderResult.failure(cause));
}
return message;
HttpMessage ret = message;
message = null;
return ret;
}
private HttpContent invalidChunk(Exception cause) {

5
codec-http/src/main/java/io/netty/handler/codec/http/LastHttpContent.java
View File

@ -83,6 +83,11 @@ public interface LastHttpContent extends HttpContent {
public boolean release(int decrement) {
return false;
}
@Override
public String toString() {
return "EmptyLastHttpContent";
}
};
HttpHeaders trailingHeaders();

32
codec-http/src/test/java/io/netty/handler/codec/http/HttpResponseDecoderTest.java
View File

@ -478,4 +478,36 @@ public class HttpResponseDecoderTest {
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testGarbageHeaders() {
// A response without headers - from https://github.com/netty/netty/issues/2103
byte[] data = ("<html>\r\n" +
"<head><title>400 Bad Request</title></head>\r\n" +
"<body bgcolor=\"white\">\r\n" +
"<center><h1>400 Bad Request</h1></center>\r\n" +
"<hr><center>nginx/1.1.19</center>\r\n" +
"</body>\r\n" +
"</html>\r\n").getBytes();
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.wrappedBuffer(data));
// Garbage input should generate the 999 Unknown response.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_0));
assertThat(res.getStatus().code(), is(999));
assertThat(res.getDecoderResult().isFailure(), is(true));
assertThat(res.getDecoderResult().isFinished(), is(true));
assertThat(ch.readInbound(), is(nullValue()));
// More garbage should not generate anything (i.e. the decoder discards anything beyond this point.)
ch.writeInbound(Unpooled.wrappedBuffer(data));
assertThat(ch.readInbound(), is(nullValue()));
// Closing the connection should not generate anything since the protocol has been violated.
ch.finish();
assertThat(ch.readInbound(), is(nullValue()));
}
}