public void DisableHeaderValidation()
{
IByteBuffer input = Unpooled.Buffer(200);
try
{
HpackEncoder hpackEncoder = new HpackEncoder(true);
IHttp2Headers toEncode = new DefaultHttp2Headers();
toEncode.Add((AsciiString)":test", (AsciiString)"1");
toEncode.Add((AsciiString)":status", (AsciiString)"200");
toEncode.Add((AsciiString)":method", (AsciiString)"GET");
hpackEncoder.EncodeHeaders(1, input, toEncode, NeverSensitiveDetector.Instance);
IHttp2Headers decoded = new DefaultHttp2Headers();
hpackDecoder.Decode(1, input, decoded, false);
Assert.Equal("1", decoded.GetAll((AsciiString)":test")[0]);
Assert.Equal("200", decoded.Status);
Assert.Equal("GET", decoded.Method);
}
finally
{
input.Release();
}
}
public void TestAccountForHeaderOverhead()
{
IByteBuffer input = Unpooled.Buffer(100);
try
{
string headerName = "12345";
string headerValue = "56789";
long headerSize = headerName.Length + headerValue.Length;
hpackDecoder.SetMaxHeaderListSize(headerSize);
HpackEncoder hpackEncoder = new HpackEncoder(true);
IHttp2Headers toEncode = new DefaultHttp2Headers();
toEncode.Add((AsciiString)headerName, (AsciiString)headerValue);
hpackEncoder.EncodeHeaders(1, input, toEncode, NeverSensitiveDetector.Instance);
IHttp2Headers decoded = new DefaultHttp2Headers();
// SETTINGS_MAX_HEADER_LIST_SIZE is big enough for the header to fit...
Assert.True(hpackDecoder.GetMaxHeaderListSize() >= headerSize);
// ... but decode should fail because we add some overhead for each header entry
Assert.Throws <HeaderListSizeException>(() => hpackDecoder.Decode(1, input, decoded, true));
}
finally
{
input.Release();
}
}
public DefaultHttp2FrameReaderTest()
{
this.listener = new Mock <IHttp2FrameListener>();
this.ctx = new Mock <IChannelHandlerContext>();
this.ctx.Setup(x => x.Allocator).Returns(UnpooledByteBufferAllocator.Default);
this.frameReader = new DefaultHttp2FrameReader();
this.hpackEncoder = new HpackEncoder();
}
private static IByteBuffer Encode(params byte[][] entries)
{
HpackEncoder hpackEncoder = Http2TestUtil.NewTestEncoder();
var output = Unpooled.Buffer();
var http2Headers = new DefaultHttp2Headers(false);
for (int ix = 0; ix < entries.Length;)
{
http2Headers.Add(new AsciiString(entries[ix++], false), new AsciiString(entries[ix++], false));
}
hpackEncoder.EncodeHeaders(3 /* randomly chosen */, output, http2Headers, NeverSensitiveDetector.Instance);
return(output);
}
internal static HpackEncoder NewTestEncoder(bool ignoreMaxHeaderListSize, long maxHeaderListSize, long maxHeaderTableSize)
{
HpackEncoder hpackEncoder = new HpackEncoder(false, 16, 0);
var buf = Unpooled.Buffer();
try
{
hpackEncoder.SetMaxHeaderTableSize(buf, maxHeaderTableSize);
hpackEncoder.SetMaxHeaderListSize(maxHeaderListSize);
}
finally
{
buf.Release();
}
return(hpackEncoder);
}
public void UnknownPseudoHeader()
{
IByteBuffer input = Unpooled.Buffer(200);
try
{
HpackEncoder hpackEncoder = new HpackEncoder(true);
IHttp2Headers toEncode = new DefaultHttp2Headers();
toEncode.Add((AsciiString)":test", (AsciiString)"1");
hpackEncoder.EncodeHeaders(1, input, toEncode, NeverSensitiveDetector.Instance);
IHttp2Headers decoded = new DefaultHttp2Headers();
Assert.Throws <StreamException>(() => hpackDecoder.Decode(1, input, decoded, true));
}
finally
{
input.Release();
}
}
internal void TestCompress()
{
HpackEncoder hpackEncoder = this.CreateEncoder();
foreach (HeaderBlock headerBlock in this.headerBlocks)
{
byte[] actual =
Encode(hpackEncoder, headerBlock.GetHeaders(), headerBlock.GetMaxHeaderTableSize(),
this.sensitiveHeaders);
if (!(actual.Length == headerBlock.encodedBytes.Length && PlatformDependent.ByteArrayEquals(actual, 0, headerBlock.encodedBytes, 0, actual.Length)))
{
throw new Exception(
"\nEXPECTED:\n" + headerBlock.GetEncodedStr() +
"\nACTUAL:\n" + StringUtil.ToHexString(actual));
}
List <HpackHeaderField> actualDynamicTable = new List <HpackHeaderField>();
for (int index = 0; index < hpackEncoder.Length(); index++)
{
actualDynamicTable.Add(hpackEncoder.GetHeaderField(index));
}
List <HpackHeaderField> expectedDynamicTable = headerBlock.GetDynamicTable();
if (!HeadersEqual(expectedDynamicTable, actualDynamicTable))
{
throw new Exception(
"\nEXPECTED DYNAMIC TABLE:\n" + expectedDynamicTable +
"\nACTUAL DYNAMIC TABLE:\n" + actualDynamicTable);
}
if (headerBlock.GetTableSize() != hpackEncoder.Size())
{
throw new Exception(
"\nEXPECTED TABLE SIZE: " + headerBlock.GetTableSize() +
"\n ACTUAL TABLE SIZE : " + hpackEncoder.Size());
}
}
}
public void TestDecodeLargerThanMaxHeaderListSizeUpdatesDynamicTable()
{
IByteBuffer input = Unpooled.Buffer(300);
try
{
hpackDecoder.SetMaxHeaderListSize(200);
HpackEncoder hpackEncoder = new HpackEncoder(true);
// encode headers that are slightly larger than maxHeaderListSize
IHttp2Headers toEncode = new DefaultHttp2Headers();
toEncode.Add((AsciiString)"test_1", (AsciiString)"1");
toEncode.Add((AsciiString)"test_2", (AsciiString)"2");
toEncode.Add((AsciiString)"long", (AsciiString)"A".PadRight(100, 'A')); //string.Format("{0,0100:d}", 0).Replace('0', 'A')
toEncode.Add((AsciiString)"test_3", (AsciiString)"3");
hpackEncoder.EncodeHeaders(1, input, toEncode, NeverSensitiveDetector.Instance);
// decode the headers, we should get an exception
IHttp2Headers decoded = new DefaultHttp2Headers();
Assert.Throws <HeaderListSizeException>(() => hpackDecoder.Decode(1, input, decoded, true));
// but the dynamic table should have been updated, so that later blocks
// can refer to earlier headers
input.Clear();
// 0x80, "indexed header field representation"
// index 62, the first (most recent) dynamic table entry
input.WriteByte(0x80 | 62);
IHttp2Headers decoded2 = new DefaultHttp2Headers();
hpackDecoder.Decode(1, input, decoded2, true);
IHttp2Headers golden = new DefaultHttp2Headers();
golden.Add((AsciiString)"test_3", (AsciiString)"3");
Assert.Equal(golden, decoded2);
}
finally
{
input.Release();
}
}
private static byte[] Encode(HpackEncoder hpackEncoder, List <HpackHeaderField> headers, int maxHeaderTableSize, bool sensitive)
{
IHttp2Headers http2Headers = ToHttp2Headers(headers);
ISensitivityDetector sensitivityDetector = sensitive ? AlwaysSensitiveDetector.Instance : NeverSensitiveDetector.Instance;
var buffer = Unpooled.Buffer();
try
{
if (maxHeaderTableSize != -1)
{
hpackEncoder.SetMaxHeaderTableSize(buffer, maxHeaderTableSize);
}
hpackEncoder.EncodeHeaders(3 /* randomly chosen */, buffer, http2Headers, sensitivityDetector);
byte[] bytes = new byte[buffer.ReadableBytes];
buffer.ReadBytes(bytes);
return(bytes);
}
finally
{
buffer.Release();
}
}
public void FailedValidationDoesntCorruptHpack()
{
IByteBuffer in1 = Unpooled.Buffer(200);
IByteBuffer in2 = Unpooled.Buffer(200);
try
{
HpackEncoder hpackEncoder = new HpackEncoder(true);
IHttp2Headers toEncode = new DefaultHttp2Headers();
toEncode.Add((AsciiString)":method", (AsciiString)"GET");
toEncode.Add((AsciiString)":status", (AsciiString)"200");
toEncode.Add((AsciiString)"foo", (AsciiString)"bar");
hpackEncoder.EncodeHeaders(1, in1, toEncode, NeverSensitiveDetector.Instance);
IHttp2Headers decoded = new DefaultHttp2Headers();
var expected = Assert.Throws <StreamException>(() => hpackDecoder.Decode(1, in1, decoded, true));
Assert.Equal(1, expected.StreamId);
// Do it again, this time without validation, to make sure the HPACK state is still sane.
decoded.Clear();
hpackEncoder.EncodeHeaders(1, in2, toEncode, NeverSensitiveDetector.Instance);
hpackDecoder.Decode(1, in2, decoded, false);
Assert.Equal(3, decoded.Size);
Assert.Equal("GET", decoded.Method);
Assert.Equal("200", decoded.Status);
Assert.Equal("bar", decoded.Get((AsciiString)"foo", null));
}
finally
{
in1.Release();
in2.Release();
}
}
public void TestDecodeCountsNamesOnlyOnce()
{
IByteBuffer input = Unpooled.Buffer(200);
try
{
hpackDecoder.SetMaxHeaderListSize(3500);
HpackEncoder hpackEncoder = new HpackEncoder(true);
// encode headers that are slightly larger than maxHeaderListSize
IHttp2Headers toEncode = new DefaultHttp2Headers();
toEncode.Add((AsciiString)("0".PadRight(3000, '0').Replace('0', 'f')), (AsciiString)"value");
toEncode.Add((AsciiString)"accept", (AsciiString)"value");
hpackEncoder.EncodeHeaders(1, input, toEncode, NeverSensitiveDetector.Instance);
IHttp2Headers decoded = new DefaultHttp2Headers();
hpackDecoder.Decode(1, input, decoded, true);
Assert.Equal(2, decoded.Size);
}
finally
{
input.Release();
}
}
public HpackEncoderTest()
{
hpackEncoder = new HpackEncoder();
hpackDecoder = new HpackDecoder(Http2CodecUtil.DefaultHeaderListSize);
mockHeaders = new Mock <IHttp2Headers>(MockBehavior.Strict);
}
