mirror of
https://github.com/klzgrad/naiveproxy.git
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309 lines
9.8 KiB
C++
309 lines
9.8 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/http2/hpack/decoder/hpack_entry_collector.h"
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#include <sstream>
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#include "base/logging.h"
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#include "net/http2/hpack/decoder/hpack_string_collector.h"
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#include "net/http2/hpack/http2_hpack_constants.h"
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#include "net/http2/platform/api/http2_string_utils.h"
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#include "net/http2/tools/failure.h"
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#include "testing/gtest/include/gtest/gtest.h"
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using ::testing::AssertionResult;
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namespace net {
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namespace test {
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namespace {
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const HpackEntryType kInvalidHeaderType = static_cast<HpackEntryType>(99);
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const size_t kInvalidIndex = 99999999;
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} // namespace
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HpackEntryCollector::HpackEntryCollector() {
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Clear();
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}
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HpackEntryCollector::HpackEntryCollector(const HpackEntryCollector& other)
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: header_type_(other.header_type_),
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index_(other.index_),
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name_(other.name_),
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value_(other.value_),
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started_(other.started_),
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ended_(other.ended_) {}
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HpackEntryCollector::HpackEntryCollector(HpackEntryType type,
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size_t index_or_size)
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: header_type_(type), index_(index_or_size), started_(true), ended_(true) {}
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HpackEntryCollector::HpackEntryCollector(HpackEntryType type,
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size_t index,
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bool value_huffman,
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const Http2String& value)
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: header_type_(type),
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index_(index),
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value_(value, value_huffman),
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started_(true),
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ended_(true) {}
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HpackEntryCollector::HpackEntryCollector(HpackEntryType type,
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bool name_huffman,
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const Http2String& name,
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bool value_huffman,
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const Http2String& value)
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: header_type_(type),
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index_(0),
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name_(name, name_huffman),
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value_(value, value_huffman),
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started_(true),
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ended_(true) {}
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HpackEntryCollector::~HpackEntryCollector() {}
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void HpackEntryCollector::OnIndexedHeader(size_t index) {
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ASSERT_FALSE(started_);
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ASSERT_TRUE(IsClear()) << ToString();
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Init(HpackEntryType::kIndexedHeader, index);
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ended_ = true;
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}
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void HpackEntryCollector::OnStartLiteralHeader(HpackEntryType header_type,
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size_t maybe_name_index) {
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ASSERT_FALSE(started_);
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ASSERT_TRUE(IsClear()) << ToString();
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Init(header_type, maybe_name_index);
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}
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void HpackEntryCollector::OnNameStart(bool huffman_encoded, size_t len) {
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ASSERT_TRUE(started_);
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ASSERT_FALSE(ended_);
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ASSERT_FALSE(IsClear());
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ASSERT_TRUE(LiteralNameExpected()) << ToString();
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name_.OnStringStart(huffman_encoded, len);
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}
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void HpackEntryCollector::OnNameData(const char* data, size_t len) {
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ASSERT_TRUE(started_);
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ASSERT_FALSE(ended_);
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ASSERT_TRUE(LiteralNameExpected()) << ToString();
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ASSERT_TRUE(name_.IsInProgress());
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name_.OnStringData(data, len);
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}
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void HpackEntryCollector::OnNameEnd() {
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ASSERT_TRUE(started_);
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ASSERT_FALSE(ended_);
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ASSERT_TRUE(LiteralNameExpected()) << ToString();
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ASSERT_TRUE(name_.IsInProgress());
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name_.OnStringEnd();
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}
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void HpackEntryCollector::OnValueStart(bool huffman_encoded, size_t len) {
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ASSERT_TRUE(started_);
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ASSERT_FALSE(ended_);
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if (LiteralNameExpected()) {
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ASSERT_TRUE(name_.HasEnded());
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}
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ASSERT_TRUE(LiteralValueExpected()) << ToString();
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ASSERT_TRUE(value_.IsClear()) << value_.ToString();
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value_.OnStringStart(huffman_encoded, len);
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}
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void HpackEntryCollector::OnValueData(const char* data, size_t len) {
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ASSERT_TRUE(started_);
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ASSERT_FALSE(ended_);
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ASSERT_TRUE(LiteralValueExpected()) << ToString();
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ASSERT_TRUE(value_.IsInProgress());
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value_.OnStringData(data, len);
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}
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void HpackEntryCollector::OnValueEnd() {
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ASSERT_TRUE(started_);
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ASSERT_FALSE(ended_);
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ASSERT_TRUE(LiteralValueExpected()) << ToString();
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ASSERT_TRUE(value_.IsInProgress());
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value_.OnStringEnd();
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ended_ = true;
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}
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void HpackEntryCollector::OnDynamicTableSizeUpdate(size_t size) {
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ASSERT_FALSE(started_);
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ASSERT_TRUE(IsClear()) << ToString();
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Init(HpackEntryType::kDynamicTableSizeUpdate, size);
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ended_ = true;
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}
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void HpackEntryCollector::Clear() {
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header_type_ = kInvalidHeaderType;
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index_ = kInvalidIndex;
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name_.Clear();
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value_.Clear();
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started_ = ended_ = false;
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}
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bool HpackEntryCollector::IsClear() const {
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return header_type_ == kInvalidHeaderType && index_ == kInvalidIndex &&
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name_.IsClear() && value_.IsClear() && !started_ && !ended_;
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}
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bool HpackEntryCollector::IsComplete() const {
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return started_ && ended_;
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}
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bool HpackEntryCollector::LiteralNameExpected() const {
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switch (header_type_) {
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case HpackEntryType::kIndexedLiteralHeader:
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case HpackEntryType::kUnindexedLiteralHeader:
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case HpackEntryType::kNeverIndexedLiteralHeader:
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return index_ == 0;
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default:
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return false;
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}
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}
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bool HpackEntryCollector::LiteralValueExpected() const {
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switch (header_type_) {
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case HpackEntryType::kIndexedLiteralHeader:
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case HpackEntryType::kUnindexedLiteralHeader:
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case HpackEntryType::kNeverIndexedLiteralHeader:
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return true;
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default:
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return false;
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}
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}
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AssertionResult HpackEntryCollector::ValidateIndexedHeader(
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size_t expected_index) const {
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VERIFY_TRUE(started_);
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VERIFY_TRUE(ended_);
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VERIFY_EQ(HpackEntryType::kIndexedHeader, header_type_);
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VERIFY_EQ(expected_index, index_);
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return ::testing::AssertionSuccess();
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}
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AssertionResult HpackEntryCollector::ValidateLiteralValueHeader(
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HpackEntryType expected_type,
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size_t expected_index,
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bool expected_value_huffman,
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Http2StringPiece expected_value) const {
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VERIFY_TRUE(started_);
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VERIFY_TRUE(ended_);
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VERIFY_EQ(expected_type, header_type_);
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VERIFY_NE(0u, expected_index);
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VERIFY_EQ(expected_index, index_);
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VERIFY_TRUE(name_.IsClear());
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VERIFY_SUCCESS(value_.Collected(expected_value, expected_value_huffman));
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return ::testing::AssertionSuccess();
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}
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AssertionResult HpackEntryCollector::ValidateLiteralNameValueHeader(
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HpackEntryType expected_type,
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bool expected_name_huffman,
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Http2StringPiece expected_name,
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bool expected_value_huffman,
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Http2StringPiece expected_value) const {
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VERIFY_TRUE(started_);
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VERIFY_TRUE(ended_);
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VERIFY_EQ(expected_type, header_type_);
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VERIFY_EQ(0u, index_);
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VERIFY_SUCCESS(name_.Collected(expected_name, expected_name_huffman));
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VERIFY_SUCCESS(value_.Collected(expected_value, expected_value_huffman));
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return ::testing::AssertionSuccess();
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}
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AssertionResult HpackEntryCollector::ValidateDynamicTableSizeUpdate(
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size_t size) const {
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VERIFY_TRUE(started_);
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VERIFY_TRUE(ended_);
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VERIFY_EQ(HpackEntryType::kDynamicTableSizeUpdate, header_type_);
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VERIFY_EQ(index_, size);
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return ::testing::AssertionSuccess();
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}
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void HpackEntryCollector::AppendToHpackBlockBuilder(
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HpackBlockBuilder* hbb) const {
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ASSERT_TRUE(started_ && ended_) << *this;
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switch (header_type_) {
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case HpackEntryType::kIndexedHeader:
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hbb->AppendIndexedHeader(index_);
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return;
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case HpackEntryType::kDynamicTableSizeUpdate:
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hbb->AppendDynamicTableSizeUpdate(index_);
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return;
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case HpackEntryType::kIndexedLiteralHeader:
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case HpackEntryType::kUnindexedLiteralHeader:
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case HpackEntryType::kNeverIndexedLiteralHeader:
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ASSERT_TRUE(value_.HasEnded()) << *this;
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if (index_ != 0) {
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CHECK(name_.IsClear());
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hbb->AppendNameIndexAndLiteralValue(header_type_, index_,
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value_.huffman_encoded, value_.s);
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} else {
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CHECK(name_.HasEnded()) << *this;
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hbb->AppendLiteralNameAndValue(header_type_, name_.huffman_encoded,
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name_.s, value_.huffman_encoded,
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value_.s);
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}
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return;
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default:
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ADD_FAILURE() << *this;
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}
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}
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Http2String HpackEntryCollector::ToString() const {
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Http2String result("Type=");
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switch (header_type_) {
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case HpackEntryType::kIndexedHeader:
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result += "IndexedHeader";
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break;
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case HpackEntryType::kDynamicTableSizeUpdate:
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result += "DynamicTableSizeUpdate";
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break;
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case HpackEntryType::kIndexedLiteralHeader:
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result += "IndexedLiteralHeader";
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break;
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case HpackEntryType::kUnindexedLiteralHeader:
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result += "UnindexedLiteralHeader";
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break;
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case HpackEntryType::kNeverIndexedLiteralHeader:
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result += "NeverIndexedLiteralHeader";
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break;
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default:
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if (header_type_ == kInvalidHeaderType) {
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result += "<unset>";
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} else {
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Http2StrAppend(&result, header_type_);
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}
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}
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if (index_ != 0) {
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Http2StrAppend(&result, " Index=", index_);
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}
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if (!name_.IsClear()) {
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Http2StrAppend(&result, " Name", name_.ToString());
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}
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if (!value_.IsClear()) {
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Http2StrAppend(&result, " Value", value_.ToString());
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}
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if (!started_) {
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EXPECT_FALSE(ended_);
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Http2StrAppend(&result, " !started");
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} else if (!ended_) {
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Http2StrAppend(&result, " !ended");
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} else {
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Http2StrAppend(&result, " Complete");
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}
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return result;
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}
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void HpackEntryCollector::Init(HpackEntryType type, size_t maybe_index) {
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ASSERT_TRUE(IsClear()) << ToString();
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header_type_ = type;
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index_ = maybe_index;
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started_ = true;
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}
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bool operator==(const HpackEntryCollector& a, const HpackEntryCollector& b) {
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return a.name() == b.name() && a.value() == b.value() &&
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a.index() == b.index() && a.header_type() == b.header_type() &&
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a.started() == b.started() && a.ended() == b.ended();
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}
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bool operator!=(const HpackEntryCollector& a, const HpackEntryCollector& b) {
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return !(a == b);
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}
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std::ostream& operator<<(std::ostream& out, const HpackEntryCollector& v) {
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return out << v.ToString();
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}
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} // namespace test
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} // namespace net
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