/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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 io.netty.handler.codec.http;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.DecoderResult;
import io.netty.util.CharsetUtil;
import org.junit.Test;
import java.util.Random;
import static org.junit.Assert.*;
public class HttpInvalidMessageTest {
private final Random rnd = new Random();
@Test
public void testRequestWithBadInitialLine() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpRequestDecoder());
ch.writeInbound(Unpooled.copiedBuffer("GET / HTTP/1.0 with extra\r\n", CharsetUtil.UTF_8));
HttpRequest req = ch.readInbound();
DecoderResult dr = req.decoderResult();
assertFalse(dr.isSuccess());
assertTrue(dr.isFailure());
ensureInboundTrafficDiscarded(ch);
}
@Test
public void testRequestWithBadHeader() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpRequestDecoder());
ch.writeInbound(Unpooled.copiedBuffer("GET /maybe-something HTTP/1.0\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("Good_Name: Good Value\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("Bad=Name: Bad Value\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("\r\n", CharsetUtil.UTF_8));
HttpRequest req = ch.readInbound();
DecoderResult dr = req.decoderResult();
assertFalse(dr.isSuccess());
assertTrue(dr.isFailure());
assertEquals("Good Value", req.headers().get("Good_Name"));
assertEquals("/maybe-something", req.uri());
ensureInboundTrafficDiscarded(ch);
}
@Test
public void testResponseWithBadInitialLine() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.copiedBuffer("HTTP/1.0 BAD_CODE Bad Server\r\n", CharsetUtil.UTF_8));
HttpResponse res = ch.readInbound();
DecoderResult dr = res.decoderResult();
assertFalse(dr.isSuccess());
assertTrue(dr.isFailure());
ensureInboundTrafficDiscarded(ch);
}
@Test
public void testResponseWithBadHeader() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.copiedBuffer("HTTP/1.0 200 Maybe OK\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("Good_Name: Good Value\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("Bad=Name: Bad Value\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("\r\n", CharsetUtil.UTF_8));
HttpResponse res = ch.readInbound();
DecoderResult dr = res.decoderResult();
assertFalse(dr.isSuccess());
assertTrue(dr.isFailure());
assertEquals("Maybe OK", res.status().reasonPhrase());
assertEquals("Good Value", res.headers().get("Good_Name"));
ensureInboundTrafficDiscarded(ch);
}
@Test
public void testBadChunk() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpRequestDecoder());
ch.writeInbound(Unpooled.copiedBuffer("GET / HTTP/1.0\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("Transfer-Encoding: chunked\r\n\r\n", CharsetUtil.UTF_8));
ch.writeInbound(Unpooled.copiedBuffer("BAD_LENGTH\r\n", CharsetUtil.UTF_8));
HttpRequest req = ch.readInbound();
assertTrue(req.decoderResult().isSuccess());
LastHttpContent chunk = ch.readInbound();
DecoderResult dr = chunk.decoderResult();
assertFalse(dr.isSuccess());
assertTrue(dr.isFailure());
ensureInboundTrafficDiscarded(ch);
}
private void ensureInboundTrafficDiscarded(EmbeddedChannel ch) {
// Generate a lot of random traffic to ensure that it's discarded silently.
byte[] data = new byte[1048576];
rnd.nextBytes(data);
ByteBuf buf = Unpooled.wrappedBuffer(data);
for (int i = 0; i < 4096; i ++) {
buf.setIndex(0, data.length);
ch.writeInbound(buf.retain());
ch.checkException();
assertNull(ch.readInbound());
}
buf.release();
}
}