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// Copyright (c) 2012 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 "third_party/blink/public/platform/web_resource_request_sender.h"
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#include "base/feature_list.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/net_errors.h"
#include "net/base/request_priority.h"
#include "net/http/http_response_headers.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/url_loader_completion_status.h"
#include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
#include "services/network/public/mojom/url_loader.mojom.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/loader/referrer_utils.h"
#include "third_party/blink/public/platform/resource_load_info_notifier_wrapper.h"
#include "third_party/blink/public/platform/scheduler/test/renderer_scheduler_test_support.h"
#include "third_party/blink/public/platform/web_back_forward_cache_loader_helper.h"
#include "third_party/blink/public/platform/web_request_peer.h"
#include "third_party/blink/public/platform/web_resource_request_sender_delegate.h"
#include "third_party/blink/public/platform/web_url_request_extra_data.h"
#include "third_party/blink/renderer/platform/testing/testing_platform_support.h"
#include "url/gurl.h"
namespace blink {
namespace {
static constexpr char kTestPageUrl[] = "http://www.google.com/";
static constexpr char kTestPageHeaders[] =
"HTTP/1.1 200 OK\nContent-Type:text/html\n\n";
static constexpr char kTestPageMimeType[] = "text/html";
static constexpr char kTestPageCharset[] = "";
static constexpr char kTestPageContents[] =
"<html><head><title>Google</title></head><body><h1>Google</h1></body></"
"html>";
constexpr size_t kDataPipeCapacity = 4096;
std::string ReadOneChunk(mojo::ScopedDataPipeConsumerHandle* handle) {
char buffer[kDataPipeCapacity];
uint32_t read_bytes = kDataPipeCapacity;
MojoResult result =
(*handle)->ReadData(buffer, &read_bytes, MOJO_READ_DATA_FLAG_NONE);
if (result != MOJO_RESULT_OK)
return "";
return std::string(buffer, read_bytes);
}
// Returns a fake TimeTicks based on the given microsecond offset.
base::TimeTicks TicksFromMicroseconds(int64_t micros) {
return base::TimeTicks() + base::TimeDelta::FromMicroseconds(micros);
}
} // namespace
class TestResourceRequestSenderDelegate
: public WebResourceRequestSenderDelegate {
public:
TestResourceRequestSenderDelegate() = default;
TestResourceRequestSenderDelegate(const TestResourceRequestSenderDelegate&) =
delete;
TestResourceRequestSenderDelegate& operator=(
const TestResourceRequestSenderDelegate&) = delete;
~TestResourceRequestSenderDelegate() override = default;
void OnRequestComplete() override {}
scoped_refptr<WebRequestPeer> OnReceivedResponse(
scoped_refptr<WebRequestPeer> current_peer,
const WebString& mime_type,
const WebURL& url) override {
return base::MakeRefCounted<WrapperPeer>(std::move(current_peer));
}
class WrapperPeer : public WebRequestPeer {
public:
explicit WrapperPeer(scoped_refptr<WebRequestPeer> original_peer)
: original_peer_(std::move(original_peer)) {}
WrapperPeer(const WrapperPeer&) = delete;
WrapperPeer& operator=(const WrapperPeer&) = delete;
// WebRequestPeer overrides:
void OnUploadProgress(uint64_t position, uint64_t size) override {}
bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
network::mojom::URLResponseHeadPtr head,
std::vector<std::string>*) override {
return false;
}
void OnReceivedResponse(network::mojom::URLResponseHeadPtr head) override {
response_head_ = std::move(head);
}
void OnStartLoadingResponseBody(
mojo::ScopedDataPipeConsumerHandle body) override {
body_handle_ = std::move(body);
}
void OnTransferSizeUpdated(int transfer_size_diff) override {}
void OnCompletedRequest(
const network::URLLoaderCompletionStatus& status) override {
original_peer_->OnReceivedResponse(std::move(response_head_));
original_peer_->OnStartLoadingResponseBody(std::move(body_handle_));
original_peer_->OnCompletedRequest(status);
}
private:
scoped_refptr<WebRequestPeer> original_peer_;
network::mojom::URLResponseHeadPtr response_head_;
mojo::ScopedDataPipeConsumerHandle body_handle_;
};
};
// A mock WebRequestPeer to receive messages from the WebResourceRequestSender.
class MockRequestPeer : public WebRequestPeer {
public:
explicit MockRequestPeer(WebResourceRequestSender* resource_request_sender)
: resource_request_sender_(resource_request_sender) {}
// WebRequestPeer overrides:
void OnUploadProgress(uint64_t position, uint64_t size) override {}
bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
network::mojom::URLResponseHeadPtr head,
std::vector<std::string>* removed_headers) override {
last_load_timing_ = head->load_timing;
return true;
}
void OnReceivedResponse(network::mojom::URLResponseHeadPtr head) override {
last_load_timing_ = head->load_timing;
received_response_ = true;
if (cancel_on_receive_response_) {
resource_request_sender_->Cancel(
scheduler::GetSingleThreadTaskRunnerForTesting());
}
}
void OnStartLoadingResponseBody(
mojo::ScopedDataPipeConsumerHandle body) override {
if (cancel_on_receive_response_)
return;
if (body) {
data_ += ReadOneChunk(&body);
}
}
void OnTransferSizeUpdated(int transfer_size_diff) override {}
void OnReceivedCachedMetadata(mojo_base::BigBuffer data) override {}
void OnCompletedRequest(
const network::URLLoaderCompletionStatus& status) override {
if (cancel_on_receive_response_)
return;
completion_status_ = status;
complete_ = true;
}
std::string data() { return data_; }
bool received_response() { return received_response_; }
bool complete() { return complete_; }
net::LoadTimingInfo last_load_timing() { return last_load_timing_; }
network::URLLoaderCompletionStatus completion_status() {
return completion_status_;
}
void SetCancelOnReceiveResponse(bool cancel_on_receive_response) {
cancel_on_receive_response_ = cancel_on_receive_response;
}
private:
// Data received. If downloading to file, remains empty.
std::string data_;
bool received_response_ = false;
bool complete_ = false;
bool cancel_on_receive_response_ = false;
net::LoadTimingInfo last_load_timing_;
network::URLLoaderCompletionStatus completion_status_;
WebResourceRequestSender* resource_request_sender_ = nullptr;
}; // namespace blink
// Sets up the message sender override for the unit test.
class WebResourceRequestSenderTest : public testing::Test,
public network::mojom::URLLoaderFactory {
public:
explicit WebResourceRequestSenderTest()
: platform_(&delegate_),
resource_request_sender_(new WebResourceRequestSender()) {}
~WebResourceRequestSenderTest() override {
resource_request_sender_.reset();
base::RunLoop().RunUntilIdle();
}
void CreateLoaderAndStart(
mojo::PendingReceiver<network::mojom::URLLoader> receiver,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& url_request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& annotation) override {
loader_and_clients_.emplace_back(std::move(receiver), std::move(client));
}
void Clone(mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver)
override {
NOTREACHED();
}
void CallOnReceiveResponse(network::mojom::URLLoaderClient* client) {
auto head = network::mojom::URLResponseHead::New();
std::string raw_headers(kTestPageHeaders);
std::replace(raw_headers.begin(), raw_headers.end(), '\n', '\0');
head->headers = new net::HttpResponseHeaders(raw_headers);
head->mime_type = kTestPageMimeType;
head->charset = kTestPageCharset;
client->OnReceiveResponse(std::move(head));
}
std::unique_ptr<network::ResourceRequest> CreateResourceRequest() {
std::unique_ptr<network::ResourceRequest> request(
new network::ResourceRequest());
request->method = "GET";
request->url = GURL(kTestPageUrl);
request->site_for_cookies =
net::SiteForCookies::FromUrl(GURL(kTestPageUrl));
request->referrer_policy = ReferrerUtils::GetDefaultNetReferrerPolicy();
request->resource_type =
static_cast<int>(mojom::ResourceType::kSubResource);
request->priority = net::LOW;
request->mode = network::mojom::RequestMode::kNoCors;
auto url_request_extra_data =
base::MakeRefCounted<WebURLRequestExtraData>();
url_request_extra_data->CopyToResourceRequest(request.get());
return request;
}
WebResourceRequestSender* sender() { return resource_request_sender_.get(); }
void StartAsync(std::unique_ptr<network::ResourceRequest> request,
scoped_refptr<WebRequestPeer> peer) {
sender()->SendAsync(
std::move(request), scheduler::GetSingleThreadTaskRunnerForTesting(),
TRAFFIC_ANNOTATION_FOR_TESTS, false, WebVector<WebString>(),
std::move(peer),
base::MakeRefCounted<network::WeakWrapperSharedURLLoaderFactory>(this),
std::vector<std::unique_ptr<URLLoaderThrottle>>(),
std::make_unique<ResourceLoadInfoNotifierWrapper>(
/*resource_load_info_notifier=*/nullptr),
WebBackForwardCacheLoaderHelper());
}
static MojoCreateDataPipeOptions DataPipeOptions() {
MojoCreateDataPipeOptions options;
options.struct_size = sizeof(MojoCreateDataPipeOptions);
options.flags = MOJO_CREATE_DATA_PIPE_FLAG_NONE;
options.element_num_bytes = 1;
options.capacity_num_bytes = kDataPipeCapacity;
return options;
}
class TestPlatform final : public TestingPlatformSupport {
public:
explicit TestPlatform(WebResourceRequestSenderDelegate* delegate)
: delegate_(delegate) {}
WebResourceRequestSenderDelegate* GetResourceRequestSenderDelegate()
override {
return delegate_;
}
private:
WebResourceRequestSenderDelegate* delegate_;
};
protected:
std::vector<std::pair<mojo::PendingReceiver<network::mojom::URLLoader>,
mojo::PendingRemote<network::mojom::URLLoaderClient>>>
loader_and_clients_;
TestResourceRequestSenderDelegate delegate_;
base::test::SingleThreadTaskEnvironment task_environment_;
ScopedTestingPlatformSupport<TestPlatform, WebResourceRequestSenderDelegate*>
platform_;
std::unique_ptr<WebResourceRequestSender> resource_request_sender_;
scoped_refptr<MockRequestPeer> mock_peer_;
};
// Tests the generation of unique request ids.
TEST_F(WebResourceRequestSenderTest, MakeRequestID) {
int first_id = WebResourceRequestSender::MakeRequestID();
int second_id = WebResourceRequestSender::MakeRequestID();
// Child process ids are unique (per process) and counting from 0 upwards:
EXPECT_GT(second_id, first_id);
EXPECT_GE(first_id, 0);
}
TEST_F(WebResourceRequestSenderTest, DelegateTest) {
std::unique_ptr<network::ResourceRequest> request(CreateResourceRequest());
mock_peer_ =
base::MakeRefCounted<MockRequestPeer>(resource_request_sender_.get());
StartAsync(std::move(request), mock_peer_);
ASSERT_EQ(1u, loader_and_clients_.size());
mojo::Remote<network::mojom::URLLoaderClient> client(
std::move(loader_and_clients_[0].second));
loader_and_clients_.clear();
// The wrapper eats all messages until RequestComplete message is sent.
CallOnReceiveResponse(client.get());
mojo::ScopedDataPipeProducerHandle producer_handle;
mojo::ScopedDataPipeConsumerHandle consumer_handle;
auto options = DataPipeOptions();
ASSERT_EQ(mojo::CreateDataPipe(&options, producer_handle, consumer_handle),
MOJO_RESULT_OK);
client->OnStartLoadingResponseBody(std::move(consumer_handle));
uint32_t size = static_cast<uint32_t>(strlen(kTestPageContents));
auto result = producer_handle->WriteData(kTestPageContents, &size,
MOJO_WRITE_DATA_FLAG_NONE);
ASSERT_EQ(result, MOJO_RESULT_OK);
ASSERT_EQ(size, strlen(kTestPageContents));
producer_handle.reset();
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(mock_peer_->received_response());
// This lets the wrapper peer pass all the messages to the original
// peer at once.
network::URLLoaderCompletionStatus status;
status.error_code = net::OK;
status.exists_in_cache = false;
status.encoded_data_length = strlen(kTestPageContents);
client->OnComplete(status);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(mock_peer_->received_response());
EXPECT_EQ(kTestPageContents, mock_peer_->data());
EXPECT_TRUE(mock_peer_->complete());
}
TEST_F(WebResourceRequestSenderTest, CancelDuringCallbackWithWrapperPeer) {
std::unique_ptr<network::ResourceRequest> request(CreateResourceRequest());
mock_peer_ =
base::MakeRefCounted<MockRequestPeer>(resource_request_sender_.get());
mock_peer_->SetCancelOnReceiveResponse(true);
StartAsync(std::move(request), mock_peer_);
ASSERT_EQ(1u, loader_and_clients_.size());
mojo::Remote<network::mojom::URLLoaderClient> client(
std::move(loader_and_clients_[0].second));
loader_and_clients_.clear();
CallOnReceiveResponse(client.get());
mojo::ScopedDataPipeProducerHandle producer_handle;
mojo::ScopedDataPipeConsumerHandle consumer_handle;
auto options = DataPipeOptions();
ASSERT_EQ(mojo::CreateDataPipe(&options, producer_handle, consumer_handle),
MOJO_RESULT_OK);
client->OnStartLoadingResponseBody(std::move(consumer_handle));
uint32_t size = static_cast<uint32_t>(strlen(kTestPageContents));
auto result = producer_handle->WriteData(kTestPageContents, &size,
MOJO_WRITE_DATA_FLAG_NONE);
ASSERT_EQ(result, MOJO_RESULT_OK);
ASSERT_EQ(size, strlen(kTestPageContents));
producer_handle.reset();
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(mock_peer_->received_response());
// This lets the wrapper peer pass all the messages to the original
// peer at once, but the original peer cancels right after it receives
// the response. (This will remove pending request info from
// WebResourceRequestSender while the wrapper peer is still running
// OnCompletedRequest, but it should not lead to crashes.)
network::URLLoaderCompletionStatus status;
status.error_code = net::OK;
status.exists_in_cache = false;
status.encoded_data_length = strlen(kTestPageContents);
client->OnComplete(status);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(mock_peer_->received_response());
// Request should have been cancelled with no additional messages.
// EXPECT_TRUE(peer_context.cancelled);
EXPECT_EQ("", mock_peer_->data());
EXPECT_FALSE(mock_peer_->complete());
}
class TimeConversionTest : public WebResourceRequestSenderTest {
public:
void PerformTest(network::mojom::URLResponseHeadPtr response_head) {
std::unique_ptr<network::ResourceRequest> request(CreateResourceRequest());
StartAsync(std::move(request), mock_peer_);
ASSERT_EQ(1u, loader_and_clients_.size());
mojo::Remote<network::mojom::URLLoaderClient> client(
std::move(loader_and_clients_[0].second));
loader_and_clients_.clear();
client->OnReceiveResponse(std::move(response_head));
}
const network::mojom::URLResponseHead& response_info() const {
return *response_info_;
}
private:
network::mojom::URLResponseHeadPtr response_info_ =
network::mojom::URLResponseHead::New();
};
// TODO(simonjam): Enable this when 10829031 lands.
TEST_F(TimeConversionTest, DISABLED_ProperlyInitialized) {
auto response_head = network::mojom::URLResponseHead::New();
response_head->request_start = TicksFromMicroseconds(5);
response_head->response_start = TicksFromMicroseconds(15);
response_head->load_timing.request_start_time = base::Time::Now();
response_head->load_timing.request_start = TicksFromMicroseconds(10);
response_head->load_timing.connect_timing.connect_start =
TicksFromMicroseconds(13);
auto request_start = response_head->load_timing.request_start;
PerformTest(std::move(response_head));
EXPECT_LT(base::TimeTicks(), response_info().load_timing.request_start);
EXPECT_EQ(base::TimeTicks(),
response_info().load_timing.connect_timing.dns_start);
EXPECT_LE(request_start,
response_info().load_timing.connect_timing.connect_start);
}
TEST_F(TimeConversionTest, PartiallyInitialized) {
auto response_head = network::mojom::URLResponseHead::New();
response_head->request_start = TicksFromMicroseconds(5);
response_head->response_start = TicksFromMicroseconds(15);
PerformTest(std::move(response_head));
EXPECT_EQ(base::TimeTicks(), response_info().load_timing.request_start);
EXPECT_EQ(base::TimeTicks(),
response_info().load_timing.connect_timing.dns_start);
}
TEST_F(TimeConversionTest, NotInitialized) {
auto response_head = network::mojom::URLResponseHead::New();
PerformTest(std::move(response_head));
EXPECT_EQ(base::TimeTicks(), response_info().load_timing.request_start);
EXPECT_EQ(base::TimeTicks(),
response_info().load_timing.connect_timing.dns_start);
}
class CompletionTimeConversionTest : public WebResourceRequestSenderTest {
public:
void PerformTest(base::TimeTicks remote_request_start,
base::TimeTicks completion_time,
base::TimeDelta delay) {
std::unique_ptr<network::ResourceRequest> request(CreateResourceRequest());
mock_peer_ =
base::MakeRefCounted<MockRequestPeer>(resource_request_sender_.get());
StartAsync(std::move(request), mock_peer_);
ASSERT_EQ(1u, loader_and_clients_.size());
mojo::Remote<network::mojom::URLLoaderClient> client(
std::move(loader_and_clients_[0].second));
auto response_head = network::mojom::URLResponseHead::New();
response_head->request_start = remote_request_start;
response_head->load_timing.request_start = remote_request_start;
response_head->load_timing.receive_headers_end = remote_request_start;
// We need to put something non-null time, otherwise no values will be
// copied.
response_head->load_timing.request_start_time =
base::Time() + base::TimeDelta::FromSeconds(99);
client->OnReceiveResponse(std::move(response_head));
mojo::ScopedDataPipeProducerHandle producer_handle;
mojo::ScopedDataPipeConsumerHandle consumer_handle;
ASSERT_EQ(mojo::CreateDataPipe(nullptr, producer_handle, consumer_handle),
MOJO_RESULT_OK);
client->OnStartLoadingResponseBody(std::move(consumer_handle));
producer_handle.reset(); // The response is empty.
network::URLLoaderCompletionStatus status;
status.completion_time = completion_time;
client->OnComplete(status);
const base::TimeTicks until = base::TimeTicks::Now() + delay;
while (base::TimeTicks::Now() < until)
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(1));
base::RunLoop().RunUntilIdle();
loader_and_clients_.clear();
}
base::TimeTicks request_start() const {
EXPECT_TRUE(mock_peer_->received_response());
return mock_peer_->last_load_timing().request_start;
}
base::TimeTicks completion_time() const {
EXPECT_TRUE(mock_peer_->complete());
return mock_peer_->completion_status().completion_time;
}
};
TEST_F(CompletionTimeConversionTest, NullCompletionTimestamp) {
const auto remote_request_start =
base::TimeTicks() + base::TimeDelta::FromMilliseconds(4);
PerformTest(remote_request_start, base::TimeTicks(), base::TimeDelta());
EXPECT_EQ(base::TimeTicks(), completion_time());
}
TEST_F(CompletionTimeConversionTest, RemoteRequestStartIsUnavailable) {
base::TimeTicks begin = base::TimeTicks::Now();
const auto remote_completion_time =
base::TimeTicks() + base::TimeDelta::FromMilliseconds(8);
PerformTest(base::TimeTicks(), remote_completion_time, base::TimeDelta());
base::TimeTicks end = base::TimeTicks::Now();
EXPECT_LE(begin, completion_time());
EXPECT_LE(completion_time(), end);
}
TEST_F(CompletionTimeConversionTest, Convert) {
const auto remote_request_start =
base::TimeTicks() + base::TimeDelta::FromMilliseconds(4);
const auto remote_completion_time =
remote_request_start + base::TimeDelta::FromMilliseconds(3);
PerformTest(remote_request_start, remote_completion_time,
base::TimeDelta::FromMilliseconds(15));
EXPECT_EQ(completion_time(),
request_start() + base::TimeDelta::FromMilliseconds(3));
}
} // namespace blink
|
