| // Copyright 2017 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/third_party/quic/http/decoder/payload_decoders/quic_http_push_promise_payload_decoder.h" |
| |
| #include <stddef.h> |
| |
| #include <cstdint> |
| |
| #include "base/logging.h" |
| #include "net/third_party/quic/http/decoder/payload_decoders/quic_http_payload_decoder_base_test_util.h" |
| #include "net/third_party/quic/http/decoder/quic_http_frame_decoder_listener.h" |
| #include "net/third_party/quic/http/quic_http_constants.h" |
| #include "net/third_party/quic/http/quic_http_structures_test_util.h" |
| #include "net/third_party/quic/http/test_tools/quic_http_frame_parts.h" |
| #include "net/third_party/quic/http/test_tools/quic_http_frame_parts_collector.h" |
| #include "net/third_party/quic/http/tools/quic_http_frame_builder.h" |
| #include "net/third_party/quic/http/tools/quic_http_random_decoder_test.h" |
| #include "net/third_party/quic/platform/api/quic_string.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace quic { |
| namespace test { |
| |
| // Provides friend access to an instance of the payload decoder, and also |
| // provides info to aid in testing. |
| class QuicHttpPushPromiseQuicHttpPayloadDecoderPeer { |
| public: |
| static constexpr QuicHttpFrameType FrameType() { |
| return QuicHttpFrameType::PUSH_PROMISE; |
| } |
| |
| // Returns the mask of flags that affect the decoding of the payload (i.e. |
| // flags that that indicate the presence of certain fields or padding). |
| static constexpr uint8_t FlagsAffectingPayloadDecoding() { |
| return QuicHttpFrameFlag::QUIC_HTTP_PADDED; |
| } |
| |
| static void Randomize(QuicHttpPushPromiseQuicHttpPayloadDecoder* p, |
| QuicTestRandomBase* rng) { |
| VLOG(1) << "QuicHttpPushPromiseQuicHttpPayloadDecoderPeer::Randomize"; |
| CorruptEnum(&p->payload_state_, rng); |
| test::Randomize(&p->push_promise_fields_, rng); |
| } |
| }; |
| |
| namespace { |
| |
| // Listener listens for only those methods expected by the payload decoder |
| // under test, and forwards them onto the QuicHttpFrameParts instance for the |
| // current frame. |
| struct Listener : public QuicHttpFramePartsCollector { |
| void OnPushPromiseStart(const QuicHttpFrameHeader& header, |
| const QuicHttpPushPromiseFields& promise, |
| size_t total_padding_length) override { |
| VLOG(1) << "OnPushPromiseStart header: " << header |
| << " promise: " << promise |
| << " total_padding_length: " << total_padding_length; |
| EXPECT_EQ(QuicHttpFrameType::PUSH_PROMISE, header.type); |
| StartFrame(header)->OnPushPromiseStart(header, promise, |
| total_padding_length); |
| } |
| |
| void OnHpackFragment(const char* data, size_t len) override { |
| VLOG(1) << "OnHpackFragment: len=" << len; |
| CurrentFrame()->OnHpackFragment(data, len); |
| } |
| |
| void OnPushPromiseEnd() override { |
| VLOG(1) << "OnPushPromiseEnd"; |
| EndFrame()->OnPushPromiseEnd(); |
| } |
| |
| void OnPadding(const char* padding, size_t skipped_length) override { |
| VLOG(1) << "OnPadding: " << skipped_length; |
| CurrentFrame()->OnPadding(padding, skipped_length); |
| } |
| |
| void OnPaddingTooLong(const QuicHttpFrameHeader& header, |
| size_t missing_length) override { |
| VLOG(1) << "OnPaddingTooLong: " << header |
| << "; missing_length: " << missing_length; |
| FrameError(header)->OnPaddingTooLong(header, missing_length); |
| } |
| |
| void OnFrameSizeError(const QuicHttpFrameHeader& header) override { |
| VLOG(1) << "OnFrameSizeError: " << header; |
| FrameError(header)->OnFrameSizeError(header); |
| } |
| }; |
| |
| class QuicHttpPushPromiseQuicHttpPayloadDecoderTest |
| : public AbstractPaddableQuicHttpPayloadDecoderTest< |
| QuicHttpPushPromiseQuicHttpPayloadDecoder, |
| QuicHttpPushPromiseQuicHttpPayloadDecoderPeer, |
| Listener> {}; |
| |
| INSTANTIATE_TEST_CASE_P(VariousPadLengths, |
| QuicHttpPushPromiseQuicHttpPayloadDecoderTest, |
| ::testing::Values(0, 1, 2, 3, 4, 254, 255, 256)); |
| |
| // Payload contains the required QuicHttpPushPromiseFields, followed by some |
| // (fake) HPQUIC_HTTP_ACK payload. |
| TEST_P(QuicHttpPushPromiseQuicHttpPayloadDecoderTest, |
| VariousHpackPayloadSizes) { |
| for (size_t hpack_size : {0, 1, 2, 3, 255, 256, 1024}) { |
| LOG(INFO) << "########### hpack_size = " << hpack_size << " ###########"; |
| Reset(); |
| QuicString hpack_payload = Random().RandString(hpack_size); |
| QuicHttpPushPromiseFields push_promise{RandStreamId()}; |
| frame_builder_.Append(push_promise); |
| frame_builder_.Append(hpack_payload); |
| MaybeAppendTrailingPadding(); |
| QuicHttpFrameHeader frame_header(frame_builder_.size(), |
| QuicHttpFrameType::PUSH_PROMISE, |
| RandFlags(), RandStreamId()); |
| set_frame_header(frame_header); |
| QuicHttpFrameParts expected(frame_header, hpack_payload, total_pad_length_); |
| expected.opt_push_promise = push_promise; |
| EXPECT_TRUE( |
| DecodePayloadAndValidateSeveralWays(frame_builder_.buffer(), expected)); |
| } |
| } |
| |
| // Confirm we get an error if the payload is not long enough for the required |
| // portion of the payload, regardless of the amount of (valid) padding. |
| TEST_P(QuicHttpPushPromiseQuicHttpPayloadDecoderTest, Truncated) { |
| auto approve_size = [](size_t size) { |
| return size != QuicHttpPushPromiseFields::EncodedSize(); |
| }; |
| QuicHttpPushPromiseFields push_promise{RandStreamId()}; |
| QuicHttpFrameBuilder fb; |
| fb.Append(push_promise); |
| EXPECT_TRUE(VerifyDetectsMultipleFrameSizeErrors(0, fb.buffer(), approve_size, |
| total_pad_length_)); |
| } |
| |
| // Confirm we get an error if the QUIC_HTTP_PADDED flag is set but the payload |
| // is not long enough to hold even the Pad Length amount of padding. |
| TEST_P(QuicHttpPushPromiseQuicHttpPayloadDecoderTest, PaddingTooLong) { |
| EXPECT_TRUE(VerifyDetectsPaddingTooLong()); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace quic |