@Test
public void testWebSocketResponse() {
byte[] data =
("HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
+ "Upgrade: WebSocket\r\n"
+ "Connection: Upgrade\r\n"
+ "Sec-WebSocket-Origin: http://localhost:8080\r\n"
+ "Sec-WebSocket-Location: ws://localhost/some/path\r\n"
+ "\r\n"
+ "1234567812345678")
.getBytes();
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.wrappedBuffer(data));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.SWITCHING_PROTOCOLS));
HttpContent content = ch.readInbound();
assertThat(content.content().readableBytes(), is(16));
content.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testLargeFileRegionChunked() throws Exception {
EmbeddedChannel channel = new EmbeddedChannel(new HttpResponseEncoder());
HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
response.headers().set(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
assertTrue(channel.writeOutbound(response));
ByteBuf buffer = channel.readOutbound();
assertEquals(
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n",
buffer.toString(CharsetUtil.US_ASCII));
buffer.release();
assertTrue(channel.writeOutbound(FILE_REGION));
buffer = channel.readOutbound();
assertEquals("80000000\r\n", buffer.toString(CharsetUtil.US_ASCII));
buffer.release();
FileRegion region = channel.readOutbound();
assertSame(FILE_REGION, region);
region.release();
buffer = channel.readOutbound();
assertEquals("\r\n", buffer.toString(CharsetUtil.US_ASCII));
buffer.release();
assertTrue(channel.writeOutbound(LastHttpContent.EMPTY_LAST_CONTENT));
buffer = channel.readOutbound();
assertEquals("0\r\n\r\n", buffer.toString(CharsetUtil.US_ASCII));
buffer.release();
assertFalse(channel.finish());
}
@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()));
}
@Test
public void testResponseWithContentLength() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\n" + "Content-Length: 10\r\n" + "\r\n", CharsetUtil.US_ASCII));
byte[] data = new byte[10];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) i;
}
ch.writeInbound(Unpooled.wrappedBuffer(data, 0, data.length / 2));
ch.writeInbound(Unpooled.wrappedBuffer(data, 5, data.length / 2));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
HttpContent firstContent = ch.readInbound();
assertThat(firstContent.content().readableBytes(), is(5));
assertEquals(Unpooled.wrappedBuffer(data, 0, 5), firstContent.content());
firstContent.release();
LastHttpContent lastContent = ch.readInbound();
assertEquals(5, lastContent.content().readableBytes());
assertEquals(Unpooled.wrappedBuffer(data, 5, 5), lastContent.content());
lastContent.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testLastResponseWithTrailingHeader() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\n"
+ "Transfer-Encoding: chunked\r\n"
+ "\r\n"
+ "0\r\n"
+ "Set-Cookie: t1=t1v1\r\n"
+ "Set-Cookie: t2=t2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT\r\n"
+ "\r\n",
CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
HttpHeaders headers = lastContent.trailingHeaders();
assertEquals(1, headers.names().size());
List<String> values = headers.getAll("Set-Cookie");
assertEquals(2, values.size());
assertTrue(values.contains("t1=t1v1"));
assertTrue(values.contains("t2=t2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT"));
lastContent.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
private static void testLastResponseWithTrailingHeaderFragmented(
byte[] content, int fragmentSize) {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
int headerLength = 47;
// split up the header
for (int a = 0; a < headerLength; ) {
int amount = fragmentSize;
if (a + amount > headerLength) {
amount = headerLength - a;
}
// if header is done it should produce a HttpRequest
boolean headerDone = a + amount == headerLength;
assertEquals(headerDone, ch.writeInbound(Unpooled.wrappedBuffer(content, a, amount)));
a += amount;
}
ch.writeInbound(Unpooled.wrappedBuffer(content, headerLength, content.length - headerLength));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
HttpHeaders headers = lastContent.trailingHeaders();
assertEquals(1, headers.names().size());
List<String> values = headers.getAll("Set-Cookie");
assertEquals(2, values.size());
assertTrue(values.contains("t1=t1v1"));
assertTrue(values.contains("t2=t2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT"));
lastContent.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testLastResponseWithHeaderRemoveTrailingSpaces() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nX-Header: h2=h2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT \r\n\r\n",
CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(res.headers().get("X-Header"), is("h2=h2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT"));
assertThat(ch.readInbound(), is(nullValue()));
ch.writeInbound(Unpooled.wrappedBuffer(new byte[1024]));
HttpContent content = ch.readInbound();
assertThat(content.content().readableBytes(), is(1024));
content.release();
assertThat(ch.finish(), is(true));
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
lastContent.release();
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testPrematureClosureWithChunkedEncoding2() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
// Write the partial response.
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n8\r\n12345678",
CharsetUtil.US_ASCII));
// Read the response headers.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(res.headers().get(Names.TRANSFER_ENCODING), is("chunked"));
// Read the partial content.
HttpContent content = ch.readInbound();
assertThat(content.content().toString(CharsetUtil.US_ASCII), is("12345678"));
assertThat(content, is(not(instanceOf(LastHttpContent.class))));
content.release();
assertThat(ch.readInbound(), is(nullValue()));
// Close the connection.
ch.finish();
// The decoder should not generate the last chunk because it's closed prematurely.
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testClosureWithoutContentLength2() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
// Write the partial response.
ch.writeInbound(Unpooled.copiedBuffer("HTTP/1.1 200 OK\r\n\r\n12345678", CharsetUtil.US_ASCII));
// Read the response headers.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
// Read the partial content.
HttpContent content = ch.readInbound();
assertThat(content.content().toString(CharsetUtil.US_ASCII), is("12345678"));
assertThat(content, is(not(instanceOf(LastHttpContent.class))));
content.release();
assertThat(ch.readInbound(), is(nullValue()));
// Close the connection.
assertTrue(ch.finish());
// The decoder should still produce the last content.
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
lastContent.release();
// But nothing more.
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testResponseChunkedExceedMaxChunkSize() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder(4096, 8192, 32));
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n", CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
byte[] data = new byte[64];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) i;
}
for (int i = 0; i < 10; i++) {
assertFalse(
ch.writeInbound(
Unpooled.copiedBuffer(
Integer.toHexString(data.length) + "\r\n", CharsetUtil.US_ASCII)));
assertTrue(ch.writeInbound(Unpooled.wrappedBuffer(data)));
byte[] decodedData = new byte[data.length];
HttpContent content = ch.readInbound();
assertEquals(32, content.content().readableBytes());
content.content().readBytes(decodedData, 0, 32);
content.release();
content = ch.readInbound();
assertEquals(32, content.content().readableBytes());
content.content().readBytes(decodedData, 32, 32);
assertArrayEquals(data, decodedData);
content.release();
assertFalse(ch.writeInbound(Unpooled.copiedBuffer("\r\n", CharsetUtil.US_ASCII)));
}
// Write the last chunk.
ch.writeInbound(Unpooled.copiedBuffer("0\r\n\r\n", CharsetUtil.US_ASCII));
// Ensure the last chunk was decoded.
LastHttpContent content = ch.readInbound();
assertFalse(content.content().isReadable());
content.release();
ch.finish();
assertNull(ch.readInbound());
}
@Test
public void testLastResponseWithEmptyHeaderAndEmptyContent() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.copiedBuffer("HTTP/1.1 200 OK\r\n\r\n", CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(ch.readInbound(), is(nullValue()));
assertThat(ch.finish(), is(true));
LastHttpContent content = ch.readInbound();
assertThat(content.content().isReadable(), is(false));
content.release();
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testPrematureClosureWithChunkedEncoding1() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n", CharsetUtil.US_ASCII));
// Read the response headers.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(res.headers().get(Names.TRANSFER_ENCODING), is("chunked"));
assertThat(ch.readInbound(), is(nullValue()));
// Close the connection without sending anything.
ch.finish();
// The decoder should not generate the last chunk because it's closed prematurely.
assertThat(ch.readInbound(), is(nullValue()));
}
private static void testResponseWithContentLengthFragmented(byte[] header, int fragmentSize) {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
// split up the header
for (int a = 0; a < header.length; ) {
int amount = fragmentSize;
if (a + amount > header.length) {
amount = header.length - a;
}
ch.writeInbound(Unpooled.wrappedBuffer(header, a, amount));
a += amount;
}
byte[] data = new byte[10];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) i;
}
ch.writeInbound(Unpooled.wrappedBuffer(data, 0, data.length / 2));
ch.writeInbound(Unpooled.wrappedBuffer(data, 5, data.length / 2));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
HttpContent firstContent = ch.readInbound();
assertThat(firstContent.content().readableBytes(), is(5));
assertEquals(Unpooled.wrappedBuffer(data, 0, 5), firstContent.content());
firstContent.release();
LastHttpContent lastContent = ch.readInbound();
assertEquals(5, lastContent.content().readableBytes());
assertEquals(Unpooled.wrappedBuffer(data, 5, 5), lastContent.content());
lastContent.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}