| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/spdy/hpack/hpack_decoder.h" |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "net/spdy/hpack/hpack_encoder.h" |
| #include "net/spdy/hpack/hpack_input_stream.h" |
| #include "net/spdy/hpack/hpack_output_stream.h" |
| #include "net/spdy/spdy_flags.h" |
| #include "net/spdy/spdy_protocol.h" |
| #include "net/spdy/spdy_test_utils.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace net { |
| namespace test { |
| |
| using std::string; |
| |
| class HpackDecoderPeer { |
| public: |
| explicit HpackDecoderPeer(HpackDecoder* decoder) : decoder_(decoder) {} |
| |
| void HandleHeaderRepresentation(SpdyStringPiece name, SpdyStringPiece value) { |
| decoder_->HandleHeaderRepresentation(name, value); |
| } |
| bool DecodeNextName(HpackInputStream* in, SpdyStringPiece* out) { |
| return decoder_->DecodeNextName(in, out); |
| } |
| HpackHeaderTable* header_table() { return &decoder_->header_table_; } |
| |
| bool DecodeNextStringLiteral(HpackInputStream* in, |
| bool is_header_key, |
| SpdyStringPiece* str) { |
| return decoder_->DecodeNextStringLiteral(in, is_header_key, str); |
| } |
| |
| const string& headers_block_buffer() const { |
| return decoder_->headers_block_buffer_; |
| } |
| |
| private: |
| HpackDecoder* decoder_; |
| }; |
| |
| namespace { |
| |
| using std::string; |
| using test::a2b_hex; |
| |
| using testing::ElementsAre; |
| using testing::Pair; |
| |
| class HpackDecoderTest : public ::testing::TestWithParam<bool> { |
| protected: |
| HpackDecoderTest() : decoder_(), decoder_peer_(&decoder_) {} |
| |
| void SetUp() override { handler_exists_ = GetParam(); } |
| |
| bool DecodeHeaderBlock(SpdyStringPiece str) { |
| if (handler_exists_) { |
| decoder_.HandleControlFrameHeadersStart(&handler_); |
| } |
| return decoder_.HandleControlFrameHeadersData(str.data(), str.size()) && |
| decoder_.HandleControlFrameHeadersComplete(nullptr); |
| } |
| |
| bool HandleControlFrameHeadersData(SpdyStringPiece str) { |
| return decoder_.HandleControlFrameHeadersData(str.data(), str.size()); |
| } |
| |
| bool HandleControlFrameHeadersComplete(size_t* size) { |
| return decoder_.HandleControlFrameHeadersComplete(size); |
| } |
| |
| const SpdyHeaderBlock& decoded_block() const { |
| if (handler_exists_) { |
| return handler_.decoded_block(); |
| } else { |
| return decoder_.decoded_block(); |
| } |
| } |
| |
| const SpdyHeaderBlock& DecodeBlockExpectingSuccess(SpdyStringPiece str) { |
| EXPECT_TRUE(DecodeHeaderBlock(str)); |
| return decoded_block(); |
| } |
| |
| void expectEntry(size_t index, |
| size_t size, |
| const string& name, |
| const string& value) { |
| const HpackEntry* entry = decoder_peer_.header_table()->GetByIndex(index); |
| EXPECT_EQ(name, entry->name()) << "index " << index; |
| EXPECT_EQ(value, entry->value()); |
| EXPECT_EQ(size, entry->Size()); |
| EXPECT_EQ(index, decoder_peer_.header_table()->IndexOf(entry)); |
| } |
| |
| HpackDecoder decoder_; |
| test::HpackDecoderPeer decoder_peer_; |
| TestHeadersHandler handler_; |
| bool handler_exists_; |
| }; |
| |
| INSTANTIATE_TEST_CASE_P(WithAndWithoutHeadersHandler, |
| HpackDecoderTest, |
| ::testing::Bool()); |
| |
| TEST_P(HpackDecoderTest, AddHeaderDataWithHandleControlFrameHeadersData) { |
| // The hpack decode buffer size is limited in size. This test verifies that |
| // adding encoded data under that limit is accepted, and data that exceeds the |
| // limit is rejected. |
| const size_t kMaxBufferSizeBytes = 50; |
| decoder_.set_max_decode_buffer_size_bytes(kMaxBufferSizeBytes); |
| |
| // Strings under threshold are concatenated in the buffer. |
| string first_input; |
| first_input.push_back(0x00); // Literal name and value, unindexed |
| first_input.push_back(0x7f); // Name length = 127 |
| ASSERT_EQ(2u, first_input.size()); |
| EXPECT_TRUE(decoder_.HandleControlFrameHeadersData(first_input.data(), |
| first_input.size())); |
| // Further 38 bytes to make 40 total buffered bytes. |
| string second_input = string(38, 'x'); |
| EXPECT_TRUE(decoder_.HandleControlFrameHeadersData(second_input.data(), |
| second_input.size())); |
| // A string which would push the buffer over the threshold is refused. |
| const int kThirdInputSize = |
| kMaxBufferSizeBytes - (first_input.size() + second_input.size()) + 1; |
| string third_input = string(kThirdInputSize, 'y'); |
| ASSERT_GT(first_input.size() + second_input.size() + third_input.size(), |
| kMaxBufferSizeBytes); |
| EXPECT_FALSE(decoder_.HandleControlFrameHeadersData(third_input.data(), |
| third_input.size())); |
| |
| string expected(first_input); |
| expected.append(second_input); |
| EXPECT_EQ(expected, decoder_peer_.headers_block_buffer()); |
| } |
| |
| // Decode with incomplete data in buffer. |
| TEST_P(HpackDecoderTest, DecodeWithIncompleteData) { |
| // No need to wait for more data. |
| EXPECT_TRUE(HandleControlFrameHeadersData("\x82\x85\x82")); |
| EXPECT_EQ("", decoder_peer_.headers_block_buffer()); |
| |
| // Need to wait for more data. |
| EXPECT_TRUE( |
| HandleControlFrameHeadersData("\x40\x03goo" |
| "\x03gar\xbe\x40\x04spam")); |
| EXPECT_EQ("\x40\x04spam", decoder_peer_.headers_block_buffer()); |
| |
| // Add the needed data. |
| EXPECT_TRUE(HandleControlFrameHeadersData("\x04gggs")); |
| EXPECT_EQ("", decoder_peer_.headers_block_buffer()); |
| |
| size_t size = 0; |
| EXPECT_TRUE(HandleControlFrameHeadersComplete(&size)); |
| EXPECT_EQ(24u, size); |
| } |
| |
| TEST_P(HpackDecoderTest, HandleHeaderRepresentation) { |
| if (handler_exists_) { |
| decoder_.HandleControlFrameHeadersStart(&handler_); |
| } |
| |
| // All cookie crumbs are joined. |
| decoder_peer_.HandleHeaderRepresentation("cookie", " part 1"); |
| decoder_peer_.HandleHeaderRepresentation("cookie", "part 2 "); |
| decoder_peer_.HandleHeaderRepresentation("cookie", "part3"); |
| |
| // Already-delimited headers are passed through. |
| decoder_peer_.HandleHeaderRepresentation("passed-through", |
| string("foo\0baz", 7)); |
| |
| // Other headers are joined on \0. Case matters. |
| decoder_peer_.HandleHeaderRepresentation("joined", "not joined"); |
| decoder_peer_.HandleHeaderRepresentation("joineD", "value 1"); |
| decoder_peer_.HandleHeaderRepresentation("joineD", "value 2"); |
| |
| // Empty headers remain empty. |
| decoder_peer_.HandleHeaderRepresentation("empty", ""); |
| |
| // Joined empty headers work as expected. |
| decoder_peer_.HandleHeaderRepresentation("empty-joined", ""); |
| decoder_peer_.HandleHeaderRepresentation("empty-joined", "foo"); |
| decoder_peer_.HandleHeaderRepresentation("empty-joined", ""); |
| decoder_peer_.HandleHeaderRepresentation("empty-joined", ""); |
| |
| // Non-contiguous cookie crumb. |
| decoder_peer_.HandleHeaderRepresentation("cookie", " fin!"); |
| |
| // Finish and emit all headers. |
| decoder_.HandleControlFrameHeadersComplete(nullptr); |
| |
| // Resulting decoded headers are in the same order as input. |
| EXPECT_THAT( |
| decoded_block(), |
| ElementsAre(Pair("cookie", " part 1; part 2 ; part3; fin!"), |
| Pair("passed-through", SpdyStringPiece("foo\0baz", 7)), |
| Pair("joined", "not joined"), |
| Pair("joineD", SpdyStringPiece("value 1\0value 2", 15)), |
| Pair("empty", ""), |
| Pair("empty-joined", SpdyStringPiece("\0foo\0\0", 6)))); |
| } |
| |
| // Decoding an encoded name with a valid string literal should work. |
| TEST_P(HpackDecoderTest, DecodeNextNameLiteral) { |
| HpackInputStream input_stream(SpdyStringPiece("\x00\x04name", 6)); |
| |
| SpdyStringPiece string_piece; |
| EXPECT_TRUE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_EQ("name", string_piece); |
| EXPECT_FALSE(input_stream.HasMoreData()); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(6u, input_stream.ParsedBytes()); |
| } |
| |
| // Decoding an encoded name with an incomplete string literal. |
| TEST_P(HpackDecoderTest, DecodeNextNameLiteralWithIncompleteHeader) { |
| HpackInputStream input_stream(SpdyStringPiece("\x00\x04name\x00\x02g", 9)); |
| |
| SpdyStringPiece string_piece; |
| EXPECT_TRUE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(6u, input_stream.ParsedBytes()); |
| |
| EXPECT_FALSE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_TRUE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(8u, input_stream.ParsedBytes()); |
| } |
| |
| TEST_P(HpackDecoderTest, DecodeNextNameLiteralWithHuffmanEncoding) { |
| string input = a2b_hex("008825a849e95ba97d7f"); |
| HpackInputStream input_stream(input); |
| |
| SpdyStringPiece string_piece; |
| EXPECT_TRUE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_EQ("custom-key", string_piece); |
| EXPECT_FALSE(input_stream.HasMoreData()); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(input.size(), input_stream.ParsedBytes()); |
| } |
| |
| // Decode with incomplete huffman encoding. |
| TEST_P(HpackDecoderTest, DecodeNextNameLiteralWithIncompleteHuffmanEncoding) { |
| // CHECK(huffman_table_.Initialize(kHpackHuffmanCode, |
| // arraysize(kHpackHuffmanCode))); |
| // Put two copies of the same huffman encoding into input. |
| string input = a2b_hex("008825a849e95ba97d7f008825a849e95ba97d7f"); |
| input.resize(input.size() - 1); // Remove the last byte. |
| HpackInputStream input_stream(input); |
| |
| SpdyStringPiece string_piece; |
| EXPECT_TRUE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(10u, input_stream.ParsedBytes()); |
| |
| EXPECT_FALSE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_TRUE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(12u, input_stream.ParsedBytes()); |
| } |
| |
| // Decoding an encoded name with a valid index should work. |
| TEST_P(HpackDecoderTest, DecodeNextNameIndexed) { |
| HpackInputStream input_stream("\x01"); |
| |
| SpdyStringPiece string_piece; |
| EXPECT_TRUE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_EQ(":authority", string_piece); |
| EXPECT_FALSE(input_stream.HasMoreData()); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(1u, input_stream.ParsedBytes()); |
| } |
| |
| // Decoding an encoded name with an invalid index should fail. |
| TEST_P(HpackDecoderTest, DecodeNextNameInvalidIndex) { |
| // One more than the number of static table entries. |
| HpackInputStream input_stream("\x3e"); |
| |
| SpdyStringPiece string_piece; |
| EXPECT_FALSE(decoder_peer_.DecodeNextName(&input_stream, &string_piece)); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(1u, input_stream.ParsedBytes()); |
| } |
| |
| // Decoding indexed static table field should work. |
| TEST_P(HpackDecoderTest, IndexedHeaderStatic) { |
| // Reference static table entries #2 and #5. |
| const SpdyHeaderBlock& header_set1 = DecodeBlockExpectingSuccess("\x82\x85"); |
| SpdyHeaderBlock expected_header_set1; |
| expected_header_set1[":method"] = "GET"; |
| expected_header_set1[":path"] = "/index.html"; |
| EXPECT_EQ(expected_header_set1, header_set1); |
| |
| // Reference static table entry #2. |
| const SpdyHeaderBlock& header_set2 = DecodeBlockExpectingSuccess("\x82"); |
| SpdyHeaderBlock expected_header_set2; |
| expected_header_set2[":method"] = "GET"; |
| EXPECT_EQ(expected_header_set2, header_set2); |
| } |
| |
| TEST_P(HpackDecoderTest, IndexedHeaderDynamic) { |
| // First header block: add an entry to header table. |
| const SpdyHeaderBlock& header_set1 = DecodeBlockExpectingSuccess( |
| "\x40\x03" |
| "foo" |
| "\x03" |
| "bar"); |
| SpdyHeaderBlock expected_header_set1; |
| expected_header_set1["foo"] = "bar"; |
| EXPECT_EQ(expected_header_set1, header_set1); |
| |
| // Second header block: add another entry to header table. |
| const SpdyHeaderBlock& header_set2 = DecodeBlockExpectingSuccess( |
| "\xbe\x40\x04" |
| "spam" |
| "\x04" |
| "eggs"); |
| SpdyHeaderBlock expected_header_set2; |
| expected_header_set2["foo"] = "bar"; |
| expected_header_set2["spam"] = "eggs"; |
| EXPECT_EQ(expected_header_set2, header_set2); |
| |
| // Third header block: refer to most recently added entry. |
| const SpdyHeaderBlock& header_set3 = DecodeBlockExpectingSuccess("\xbe"); |
| SpdyHeaderBlock expected_header_set3; |
| expected_header_set3["spam"] = "eggs"; |
| EXPECT_EQ(expected_header_set3, header_set3); |
| } |
| |
| // Test a too-large indexed header. |
| TEST_P(HpackDecoderTest, InvalidIndexedHeader) { |
| // High-bit set, and a prefix of one more than the number of static entries. |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece("\xbe", 1))); |
| } |
| |
| TEST_P(HpackDecoderTest, ContextUpdateMaximumSize) { |
| EXPECT_EQ(kDefaultHeaderTableSizeSetting, |
| decoder_peer_.header_table()->max_size()); |
| string input; |
| { |
| // Maximum-size update with size 126. Succeeds. |
| HpackOutputStream output_stream; |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(126); |
| |
| output_stream.TakeString(&input); |
| EXPECT_TRUE(DecodeHeaderBlock(SpdyStringPiece(input))); |
| EXPECT_EQ(126u, decoder_peer_.header_table()->max_size()); |
| } |
| { |
| // Maximum-size update with kDefaultHeaderTableSizeSetting. Succeeds. |
| HpackOutputStream output_stream; |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(kDefaultHeaderTableSizeSetting); |
| |
| output_stream.TakeString(&input); |
| EXPECT_TRUE(DecodeHeaderBlock(SpdyStringPiece(input))); |
| EXPECT_EQ(kDefaultHeaderTableSizeSetting, |
| decoder_peer_.header_table()->max_size()); |
| } |
| { |
| // Maximum-size update with kDefaultHeaderTableSizeSetting + 1. Fails. |
| HpackOutputStream output_stream; |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(kDefaultHeaderTableSizeSetting + 1); |
| |
| output_stream.TakeString(&input); |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece(input))); |
| EXPECT_EQ(kDefaultHeaderTableSizeSetting, |
| decoder_peer_.header_table()->max_size()); |
| } |
| } |
| |
| // Two HeaderTableSizeUpdates may appear at the beginning of the block |
| TEST_P(HpackDecoderTest, TwoTableSizeUpdates) { |
| string input; |
| { |
| // Should accept two table size updates, update to second one |
| HpackOutputStream output_stream; |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(0); |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(122); |
| |
| output_stream.TakeString(&input); |
| EXPECT_TRUE(DecodeHeaderBlock(SpdyStringPiece(input))); |
| EXPECT_EQ(122u, decoder_peer_.header_table()->max_size()); |
| } |
| } |
| |
| // Three HeaderTableSizeUpdates should result in an error |
| TEST_P(HpackDecoderTest, ThreeTableSizeUpdatesError) { |
| string input; |
| { |
| // Should reject three table size updates, update to second one |
| HpackOutputStream output_stream; |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(5); |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(10); |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(15); |
| |
| output_stream.TakeString(&input); |
| |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece(input))); |
| EXPECT_EQ(10u, decoder_peer_.header_table()->max_size()); |
| } |
| } |
| |
| // HeaderTableSizeUpdates may only appear at the beginning of the block |
| // Any other updates should result in an error |
| TEST_P(HpackDecoderTest, TableSizeUpdateSecondError) { |
| string input; |
| { |
| // Should reject a table size update appearing after a different entry |
| // The table size should remain as the default |
| HpackOutputStream output_stream; |
| output_stream.AppendBytes("\x82\x85"); |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(123); |
| |
| output_stream.TakeString(&input); |
| |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece(input))); |
| EXPECT_EQ(kDefaultHeaderTableSizeSetting, |
| decoder_peer_.header_table()->max_size()); |
| } |
| } |
| |
| // HeaderTableSizeUpdates may only appear at the beginning of the block |
| // Any other updates should result in an error |
| TEST_P(HpackDecoderTest, TableSizeUpdateFirstThirdError) { |
| string input; |
| { |
| // Should reject the second table size update |
| // if a different entry appears after the first update |
| // The table size should update to the first but not the second |
| HpackOutputStream output_stream; |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(60); |
| output_stream.AppendBytes("\x82\x85"); |
| output_stream.AppendPrefix(kHeaderTableSizeUpdateOpcode); |
| output_stream.AppendUint32(125); |
| |
| output_stream.TakeString(&input); |
| |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece(input))); |
| EXPECT_EQ(60u, decoder_peer_.header_table()->max_size()); |
| } |
| } |
| |
| // Decoding two valid encoded literal headers with no indexing should |
| // work. |
| TEST_P(HpackDecoderTest, LiteralHeaderNoIndexing) { |
| // First header with indexed name, second header with string literal |
| // name. |
| const char input[] = "\x04\x0c/sample/path\x00\x06:path2\x0e/sample/path/2"; |
| const SpdyHeaderBlock& header_set = |
| DecodeBlockExpectingSuccess(SpdyStringPiece(input, arraysize(input) - 1)); |
| |
| SpdyHeaderBlock expected_header_set; |
| expected_header_set[":path"] = "/sample/path"; |
| expected_header_set[":path2"] = "/sample/path/2"; |
| EXPECT_EQ(expected_header_set, header_set); |
| } |
| |
| // Decoding two valid encoded literal headers with incremental |
| // indexing and string literal names should work. |
| TEST_P(HpackDecoderTest, LiteralHeaderIncrementalIndexing) { |
| const char input[] = "\x44\x0c/sample/path\x40\x06:path2\x0e/sample/path/2"; |
| const SpdyHeaderBlock& header_set = |
| DecodeBlockExpectingSuccess(SpdyStringPiece(input, arraysize(input) - 1)); |
| |
| SpdyHeaderBlock expected_header_set; |
| expected_header_set[":path"] = "/sample/path"; |
| expected_header_set[":path2"] = "/sample/path/2"; |
| EXPECT_EQ(expected_header_set, header_set); |
| } |
| |
| TEST_P(HpackDecoderTest, LiteralHeaderWithIndexingInvalidNameIndex) { |
| decoder_.ApplyHeaderTableSizeSetting(0); |
| |
| // Name is the last static index. Works. |
| EXPECT_TRUE(DecodeHeaderBlock(SpdyStringPiece("\x7d\x03ooo"))); |
| // Name is one beyond the last static index. Fails. |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece("\x7e\x03ooo"))); |
| } |
| |
| TEST_P(HpackDecoderTest, LiteralHeaderNoIndexingInvalidNameIndex) { |
| // Name is the last static index. Works. |
| EXPECT_TRUE(DecodeHeaderBlock(SpdyStringPiece("\x0f\x2e\x03ooo"))); |
| // Name is one beyond the last static index. Fails. |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece("\x0f\x2f\x03ooo"))); |
| } |
| |
| TEST_P(HpackDecoderTest, LiteralHeaderNeverIndexedInvalidNameIndex) { |
| // Name is the last static index. Works. |
| EXPECT_TRUE(DecodeHeaderBlock(SpdyStringPiece("\x1f\x2e\x03ooo"))); |
| // Name is one beyond the last static index. Fails. |
| EXPECT_FALSE(DecodeHeaderBlock(SpdyStringPiece("\x1f\x2f\x03ooo"))); |
| } |
| |
| // Decode with incomplete string literal. |
| TEST_P(HpackDecoderTest, StringLiteralIncomplete) { |
| const char input[] = "\x0c/sample/path\x06:path2\x0e/sample/path/"; |
| HpackInputStream input_stream(input); |
| SpdyStringPiece str; |
| EXPECT_TRUE( |
| decoder_peer_.DecodeNextStringLiteral(&input_stream, false, &str)); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(13u, input_stream.ParsedBytes()); |
| |
| EXPECT_TRUE( |
| decoder_peer_.DecodeNextStringLiteral(&input_stream, false, &str)); |
| EXPECT_FALSE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(20u, input_stream.ParsedBytes()); |
| |
| EXPECT_FALSE( |
| decoder_peer_.DecodeNextStringLiteral(&input_stream, false, &str)); |
| EXPECT_TRUE(input_stream.NeedMoreData()); |
| input_stream.MarkCurrentPosition(); |
| EXPECT_EQ(21u, input_stream.ParsedBytes()); |
| } |
| |
| // Round-tripping the header set from RFC 7541 C.3.1 should work. |
| // http://httpwg.org/specs/rfc7541.html#rfc.section.C.3.1 |
| TEST_P(HpackDecoderTest, BasicC31) { |
| HpackEncoder encoder(ObtainHpackHuffmanTable()); |
| |
| SpdyHeaderBlock expected_header_set; |
| expected_header_set[":method"] = "GET"; |
| expected_header_set[":scheme"] = "http"; |
| expected_header_set[":path"] = "/"; |
| expected_header_set[":authority"] = "www.example.com"; |
| |
| string encoded_header_set; |
| EXPECT_TRUE( |
| encoder.EncodeHeaderSet(expected_header_set, &encoded_header_set)); |
| |
| EXPECT_TRUE(DecodeHeaderBlock(encoded_header_set)); |
| EXPECT_EQ(expected_header_set, decoded_block()); |
| } |
| |
| // RFC 7541, Section C.4: Request Examples with Huffman Coding |
| // http://httpwg.org/specs/rfc7541.html#rfc.section.C.4 |
| TEST_P(HpackDecoderTest, SectionC4RequestHuffmanExamples) { |
| // 82 | == Indexed - Add == |
| // | idx = 2 |
| // | -> :method: GET |
| // 86 | == Indexed - Add == |
| // | idx = 6 |
| // | -> :scheme: http |
| // 84 | == Indexed - Add == |
| // | idx = 4 |
| // | -> :path: / |
| // 41 | == Literal indexed == |
| // | Indexed name (idx = 1) |
| // | :authority |
| // 8c | Literal value (len = 15) |
| // | Huffman encoded: |
| // f1e3 c2e5 f23a 6ba0 ab90 f4ff | .....:k..... |
| // | Decoded: |
| // | www.example.com |
| // | -> :authority: www.example.com |
| string first = a2b_hex("828684418cf1e3c2e5f23a6ba0ab90f4ff"); |
| const SpdyHeaderBlock& first_header_set = DecodeBlockExpectingSuccess(first); |
| |
| EXPECT_THAT( |
| first_header_set, |
| ElementsAre(Pair(":method", "GET"), Pair(":scheme", "http"), |
| Pair(":path", "/"), Pair(":authority", "www.example.com"))); |
| |
| expectEntry(62, 57, ":authority", "www.example.com"); |
| EXPECT_EQ(57u, decoder_peer_.header_table()->size()); |
| |
| // 82 | == Indexed - Add == |
| // | idx = 2 |
| // | -> :method: GET |
| // 86 | == Indexed - Add == |
| // | idx = 6 |
| // | -> :scheme: http |
| // 84 | == Indexed - Add == |
| // | idx = 4 |
| // | -> :path: / |
| // be | == Indexed - Add == |
| // | idx = 62 |
| // | -> :authority: www.example.com |
| // 58 | == Literal indexed == |
| // | Indexed name (idx = 24) |
| // | cache-control |
| // 86 | Literal value (len = 8) |
| // | Huffman encoded: |
| // a8eb 1064 9cbf | ...d.. |
| // | Decoded: |
| // | no-cache |
| // | -> cache-control: no-cache |
| |
| string second = a2b_hex("828684be5886a8eb10649cbf"); |
| const SpdyHeaderBlock& second_header_set = |
| DecodeBlockExpectingSuccess(second); |
| |
| EXPECT_THAT( |
| second_header_set, |
| ElementsAre(Pair(":method", "GET"), Pair(":scheme", "http"), |
| Pair(":path", "/"), Pair(":authority", "www.example.com"), |
| Pair("cache-control", "no-cache"))); |
| |
| expectEntry(62, 53, "cache-control", "no-cache"); |
| expectEntry(63, 57, ":authority", "www.example.com"); |
| EXPECT_EQ(110u, decoder_peer_.header_table()->size()); |
| |
| // 82 | == Indexed - Add == |
| // | idx = 2 |
| // | -> :method: GET |
| // 87 | == Indexed - Add == |
| // | idx = 7 |
| // | -> :scheme: https |
| // 85 | == Indexed - Add == |
| // | idx = 5 |
| // | -> :path: /index.html |
| // bf | == Indexed - Add == |
| // | idx = 63 |
| // | -> :authority: www.example.com |
| // 40 | == Literal indexed == |
| // 88 | Literal name (len = 10) |
| // | Huffman encoded: |
| // 25a8 49e9 5ba9 7d7f | %.I.[.}. |
| // | Decoded: |
| // | custom-key |
| // 89 | Literal value (len = 12) |
| // | Huffman encoded: |
| // 25a8 49e9 5bb8 e8b4 bf | %.I.[.... |
| // | Decoded: |
| // | custom-value |
| // | -> custom-key: custom-value |
| string third = a2b_hex( |
| "828785bf408825a849e95ba97d7f89" |
| "25a849e95bb8e8b4bf"); |
| const SpdyHeaderBlock& third_header_set = DecodeBlockExpectingSuccess(third); |
| |
| EXPECT_THAT(third_header_set, |
| ElementsAre(Pair(":method", "GET"), Pair(":scheme", "https"), |
| Pair(":path", "/index.html"), |
| Pair(":authority", "www.example.com"), |
| Pair("custom-key", "custom-value"))); |
| |
| expectEntry(62, 54, "custom-key", "custom-value"); |
| expectEntry(63, 53, "cache-control", "no-cache"); |
| expectEntry(64, 57, ":authority", "www.example.com"); |
| EXPECT_EQ(164u, decoder_peer_.header_table()->size()); |
| } |
| |
| // RFC 7541, Section C.6: Response Examples with Huffman Coding |
| // http://httpwg.org/specs/rfc7541.html#rfc.section.C.6 |
| TEST_P(HpackDecoderTest, SectionC6ResponseHuffmanExamples) { |
| decoder_.ApplyHeaderTableSizeSetting(256); |
| |
| // 48 | == Literal indexed == |
| // | Indexed name (idx = 8) |
| // | :status |
| // 82 | Literal value (len = 3) |
| // | Huffman encoded: |
| // 6402 | d. |
| // | Decoded: |
| // | 302 |
| // | -> :status: 302 |
| // 58 | == Literal indexed == |
| // | Indexed name (idx = 24) |
| // | cache-control |
| // 85 | Literal value (len = 7) |
| // | Huffman encoded: |
| // aec3 771a 4b | ..w.K |
| // | Decoded: |
| // | private |
| // | -> cache-control: private |
| // 61 | == Literal indexed == |
| // | Indexed name (idx = 33) |
| // | date |
| // 96 | Literal value (len = 29) |
| // | Huffman encoded: |
| // d07a be94 1054 d444 a820 0595 040b 8166 | .z...T.D. .....f |
| // e082 a62d 1bff | ...-.. |
| // | Decoded: |
| // | Mon, 21 Oct 2013 20:13:21 |
| // | GMT |
| // | -> date: Mon, 21 Oct 2013 |
| // | 20:13:21 GMT |
| // 6e | == Literal indexed == |
| // | Indexed name (idx = 46) |
| // | location |
| // 91 | Literal value (len = 23) |
| // | Huffman encoded: |
| // 9d29 ad17 1863 c78f 0b97 c8e9 ae82 ae43 | .)...c.........C |
| // d3 | . |
| // | Decoded: |
| // | https://www.example.com |
| // | -> location: https://www.e |
| // | xample.com |
| |
| string first = a2b_hex( |
| "488264025885aec3771a4b6196d07abe" |
| "941054d444a8200595040b8166e082a6" |
| "2d1bff6e919d29ad171863c78f0b97c8" |
| "e9ae82ae43d3"); |
| const SpdyHeaderBlock& first_header_set = DecodeBlockExpectingSuccess(first); |
| |
| EXPECT_THAT( |
| first_header_set, |
| ElementsAre(Pair(":status", "302"), Pair("cache-control", "private"), |
| Pair("date", "Mon, 21 Oct 2013 20:13:21 GMT"), |
| Pair("location", "https://www.example.com"))); |
| |
| expectEntry(62, 63, "location", "https://www.example.com"); |
| expectEntry(63, 65, "date", "Mon, 21 Oct 2013 20:13:21 GMT"); |
| expectEntry(64, 52, "cache-control", "private"); |
| expectEntry(65, 42, ":status", "302"); |
| EXPECT_EQ(222u, decoder_peer_.header_table()->size()); |
| |
| // 48 | == Literal indexed == |
| // | Indexed name (idx = 8) |
| // | :status |
| // 83 | Literal value (len = 3) |
| // | Huffman encoded: |
| // 640e ff | d.. |
| // | Decoded: |
| // | 307 |
| // | - evict: :status: 302 |
| // | -> :status: 307 |
| // c1 | == Indexed - Add == |
| // | idx = 65 |
| // | -> cache-control: private |
| // c0 | == Indexed - Add == |
| // | idx = 64 |
| // | -> date: Mon, 21 Oct 2013 |
| // | 20:13:21 GMT |
| // bf | == Indexed - Add == |
| // | idx = 63 |
| // | -> location: |
| // | https://www.example.com |
| string second = a2b_hex("4883640effc1c0bf"); |
| const SpdyHeaderBlock& second_header_set = |
| DecodeBlockExpectingSuccess(second); |
| |
| EXPECT_THAT( |
| second_header_set, |
| ElementsAre(Pair(":status", "307"), Pair("cache-control", "private"), |
| Pair("date", "Mon, 21 Oct 2013 20:13:21 GMT"), |
| Pair("location", "https://www.example.com"))); |
| |
| expectEntry(62, 42, ":status", "307"); |
| expectEntry(63, 63, "location", "https://www.example.com"); |
| expectEntry(64, 65, "date", "Mon, 21 Oct 2013 20:13:21 GMT"); |
| expectEntry(65, 52, "cache-control", "private"); |
| EXPECT_EQ(222u, decoder_peer_.header_table()->size()); |
| |
| // 88 | == Indexed - Add == |
| // | idx = 8 |
| // | -> :status: 200 |
| // c1 | == Indexed - Add == |
| // | idx = 65 |
| // | -> cache-control: private |
| // 61 | == Literal indexed == |
| // | Indexed name (idx = 33) |
| // | date |
| // 96 | Literal value (len = 22) |
| // | Huffman encoded: |
| // d07a be94 1054 d444 a820 0595 040b 8166 | .z...T.D. .....f |
| // e084 a62d 1bff | ...-.. |
| // | Decoded: |
| // | Mon, 21 Oct 2013 20:13:22 |
| // | GMT |
| // | - evict: cache-control: |
| // | private |
| // | -> date: Mon, 21 Oct 2013 |
| // | 20:13:22 GMT |
| // c0 | == Indexed - Add == |
| // | idx = 64 |
| // | -> location: |
| // | https://www.example.com |
| // 5a | == Literal indexed == |
| // | Indexed name (idx = 26) |
| // | content-encoding |
| // 83 | Literal value (len = 3) |
| // | Huffman encoded: |
| // 9bd9 ab | ... |
| // | Decoded: |
| // | gzip |
| // | - evict: date: Mon, 21 Oct |
| // | 2013 20:13:21 GMT |
| // | -> content-encoding: gzip |
| // 77 | == Literal indexed == |
| // | Indexed name (idx = 55) |
| // | set-cookie |
| // ad | Literal value (len = 45) |
| // | Huffman encoded: |
| // 94e7 821d d7f2 e6c7 b335 dfdf cd5b 3960 | .........5...[9` |
| // d5af 2708 7f36 72c1 ab27 0fb5 291f 9587 | ..'..6r..'..)... |
| // 3160 65c0 03ed 4ee5 b106 3d50 07 | 1`e...N...=P. |
| // | Decoded: |
| // | foo=ASDJKHQKBZXOQWEOPIUAXQ |
| // | WEOIU; max-age=3600; versi |
| // | on=1 |
| // | - evict: location: |
| // | https://www.example.com |
| // | - evict: :status: 307 |
| // | -> set-cookie: foo=ASDJKHQ |
| // | KBZXOQWEOPIUAXQWEOIU; |
| // | max-age=3600; version=1 |
| string third = a2b_hex( |
| "88c16196d07abe941054d444a8200595" |
| "040b8166e084a62d1bffc05a839bd9ab" |
| "77ad94e7821dd7f2e6c7b335dfdfcd5b" |
| "3960d5af27087f3672c1ab270fb5291f" |
| "9587316065c003ed4ee5b1063d5007"); |
| const SpdyHeaderBlock& third_header_set = DecodeBlockExpectingSuccess(third); |
| |
| EXPECT_THAT( |
| third_header_set, |
| ElementsAre(Pair(":status", "200"), Pair("cache-control", "private"), |
| Pair("date", "Mon, 21 Oct 2013 20:13:22 GMT"), |
| Pair("location", "https://www.example.com"), |
| Pair("content-encoding", "gzip"), |
| Pair("set-cookie", |
| "foo=ASDJKHQKBZXOQWEOPIUAXQWEOIU;" |
| " max-age=3600; version=1"))); |
| |
| expectEntry(62, 98, "set-cookie", |
| "foo=ASDJKHQKBZXOQWEOPIUAXQWEOIU;" |
| " max-age=3600; version=1"); |
| expectEntry(63, 52, "content-encoding", "gzip"); |
| expectEntry(64, 65, "date", "Mon, 21 Oct 2013 20:13:22 GMT"); |
| EXPECT_EQ(215u, decoder_peer_.header_table()->size()); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace net |
