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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/ip_protection/common/ip_protection_config_http.h"
#include <map>
#include <memory>
#include <string>
#include <utility>
#include "base/memory/scoped_refptr.h"
#include "base/strings/strcat.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "base/test/test_future.h"
#include "net/base/features.h"
#include "net/base/net_errors.h"
#include "net/http/http_status_code.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_response_head.mojom.h"
#include "services/network/test/test_url_loader_factory.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ip_protection {
namespace {
const char kProtobufContentType[] = "application/x-protobuf";
class IpProtectionConfigHttpTest : public testing::Test {
protected:
void SetUp() override {
http_fetcher_ = std::make_unique<IpProtectionConfigHttp>(
base::MakeRefCounted<network::WeakWrapperSharedURLLoaderFactory>(
&test_url_loader_factory_));
token_server_get_initial_data_url_ = GURL(base::StrCat(
{net::features::kIpPrivacyTokenServer.Get(),
net::features::kIpPrivacyTokenServerGetInitialDataPath.Get()}));
ASSERT_TRUE(token_server_get_initial_data_url_.is_valid());
token_server_get_tokens_url_ = GURL(base::StrCat(
{net::features::kIpPrivacyTokenServer.Get(),
net::features::kIpPrivacyTokenServerGetTokensPath.Get()}));
ASSERT_TRUE(token_server_get_tokens_url_.is_valid());
token_server_get_proxy_config_url_ = GURL(base::StrCat(
{net::features::kIpPrivacyTokenServer.Get(),
net::features::kIpPrivacyTokenServerGetProxyConfigPath.Get()}));
ASSERT_TRUE(token_server_get_proxy_config_url_.is_valid());
}
base::test::TaskEnvironment task_environment_;
network::TestURLLoaderFactory test_url_loader_factory_;
std::unique_ptr<IpProtectionConfigHttp> http_fetcher_;
GURL token_server_get_initial_data_url_;
GURL token_server_get_tokens_url_;
GURL token_server_get_proxy_config_url_;
};
TEST_F(IpProtectionConfigHttpTest, DoRequestSendsCorrectRequestInitialData) {
auto request_type = quiche::BlindSignMessageRequestType::kGetInitialData;
std::string authorization_header = "token";
std::string body = "body";
// Set up the response to return from the mock.
test_url_loader_factory_.SetInterceptor(
base::BindLambdaForTesting([&](const network::ResourceRequest& request) {
ASSERT_TRUE(request.url.is_valid());
ASSERT_EQ(request.url, token_server_get_initial_data_url_);
ASSERT_THAT(
request.headers.GetHeader(net::HttpRequestHeaders::kAuthorization),
testing::Optional(base::StrCat({"Bearer ", authorization_header})));
EXPECT_FALSE(
request.headers.HasHeader("Ip-Protection-Debug-Experiment-Arm"));
ASSERT_THAT(request.headers.GetHeader(net::HttpRequestHeaders::kAccept),
testing::Optional(std::string(kProtobufContentType)));
std::string response_str = "Response body";
auto head = network::mojom::URLResponseHead::New();
test_url_loader_factory_.AddResponse(
request.url, std::move(head), response_str,
network::URLLoaderCompletionStatus(net::OK));
}));
base::test::TestFuture<absl::StatusOr<quiche::BlindSignMessageResponse>>
result_future;
// Note: We use a lambda expression and `TestFuture::SetValue()` instead of
// `TestFuture::GetCallback()` to avoid having to convert the
// `base::OnceCallback` to a `quiche::SignedTokenCallback` (an
// `absl::AnyInvocable` behind the scenes).
auto callback =
[&result_future](
absl::StatusOr<quiche::BlindSignMessageResponse> response) {
result_future.SetValue(std::move(response));
};
http_fetcher_->DoRequest(request_type, authorization_header, body,
std::move(callback));
absl::StatusOr<quiche::BlindSignMessageResponse> result = result_future.Get();
ASSERT_TRUE(result.ok());
EXPECT_EQ("Response body", result->body());
}
TEST_F(IpProtectionConfigHttpTest,
DoRequestSendsCorrectRequestAuthAndSignAndExperimentArm) {
std::map<std::string, std::string> parameters;
parameters["IpPrivacyDebugExperimentArm"] = "42";
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndEnableFeatureWithParameters(
net::features::kEnableIpProtectionProxy, std::move(parameters));
auto request_type = quiche::BlindSignMessageRequestType::kAuthAndSign;
std::string authorization_header = "token";
std::string body = "body";
// Set up the response to return from the mock.
test_url_loader_factory_.SetInterceptor(
base::BindLambdaForTesting([&](const network::ResourceRequest& request) {
ASSERT_TRUE(request.url.is_valid());
ASSERT_EQ(request.url, token_server_get_tokens_url_);
ASSERT_THAT(
request.headers.GetHeader(net::HttpRequestHeaders::kAuthorization),
testing::Optional(base::StrCat({"Bearer ", authorization_header})));
ASSERT_THAT(
request.headers.GetHeader("Ip-Protection-Debug-Experiment-Arm"),
testing::Optional(std::string("42")));
ASSERT_THAT(request.headers.GetHeader(net::HttpRequestHeaders::kAccept),
testing::Optional(std::string(kProtobufContentType)));
std::string response_str = "Response body";
auto head = network::mojom::URLResponseHead::New();
test_url_loader_factory_.AddResponse(
request.url, std::move(head), response_str,
network::URLLoaderCompletionStatus(net::OK));
}));
base::test::TestFuture<absl::StatusOr<quiche::BlindSignMessageResponse>>
result_future;
// Note: We use a lambda expression and `TestFuture::SetValue()` instead of
// `TestFuture::GetCallback()` to avoid having to convert the
// `base::OnceCallback` to a `quiche::SignedTokenCallback` (an
// `absl::AnyInvocable` behind the scenes).
auto callback =
[&result_future](
absl::StatusOr<quiche::BlindSignMessageResponse> response) {
result_future.SetValue(std::move(response));
};
http_fetcher_->DoRequest(request_type, authorization_header, body,
std::move(callback));
absl::StatusOr<quiche::BlindSignMessageResponse> result = result_future.Get();
ASSERT_TRUE(result.ok());
EXPECT_EQ("Response body", result->body());
}
TEST_F(IpProtectionConfigHttpTest,
DoRequestFailsToConnectReturnsFailureStatus) {
auto request_type = quiche::BlindSignMessageRequestType::kAuthAndSign;
std::string authorization_header = "token";
std::string body = "body";
// Mock no response from Authentication Server (such as a network error).
std::string response_body;
auto head = network::mojom::URLResponseHead::New();
test_url_loader_factory_.AddResponse(
token_server_get_tokens_url_, std::move(head), response_body,
network::URLLoaderCompletionStatus(net::ERR_FAILED));
base::test::TestFuture<absl::StatusOr<quiche::BlindSignMessageResponse>>
result_future;
auto callback =
[&result_future](
absl::StatusOr<quiche::BlindSignMessageResponse> response) {
result_future.SetValue(std::move(response));
};
http_fetcher_->DoRequest(request_type, authorization_header, body,
std::move(callback));
absl::StatusOr<quiche::BlindSignMessageResponse> result = result_future.Get();
EXPECT_EQ("Failed Request to Authentication Server",
result.status().message());
EXPECT_EQ(absl::StatusCode::kInternal, result.status().code());
}
TEST_F(IpProtectionConfigHttpTest,
DoRequestInvalidFinchParametersFailsGracefully) {
std::map<std::string, std::string> parameters;
parameters["IpPrivacyTokenServer"] = "<(^_^)>";
parameters["IpPrivacyTokenServerGetInitialDataPath"] = "(>_<)";
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndEnableFeatureWithParameters(
net::features::kEnableIpProtectionProxy, std::move(parameters));
// Create a new IpProtectionConfigHttp for this test so that the new
// FeatureParams get used.
std::unique_ptr<IpProtectionConfigHttp> http_fetcher =
std::make_unique<IpProtectionConfigHttp>(
test_url_loader_factory_.GetSafeWeakWrapper());
auto request_type = quiche::BlindSignMessageRequestType::kGetInitialData;
std::string authorization_header = "token";
std::string body = "body";
base::test::TestFuture<absl::StatusOr<quiche::BlindSignMessageResponse>>
result_future;
auto callback =
[&result_future](
absl::StatusOr<quiche::BlindSignMessageResponse> response) {
result_future.SetValue(std::move(response));
};
http_fetcher->DoRequest(request_type, authorization_header, body,
std::move(callback));
absl::StatusOr<quiche::BlindSignMessageResponse> result = result_future.Get();
EXPECT_EQ("Invalid IP Protection Token URL", result.status().message());
EXPECT_EQ(absl::StatusCode::kInternal, result.status().code());
}
TEST_F(IpProtectionConfigHttpTest, DoRequestHttpFailureStatus) {
auto request_type = quiche::BlindSignMessageRequestType::kAuthAndSign;
std::string authorization_header = "token";
std::string body = "body";
// Mock a non-200 HTTP response from Authentication Server.
std::string response_body;
auto head = network::mojom::URLResponseHead::New();
test_url_loader_factory_.AddResponse(token_server_get_tokens_url_.spec(),
response_body, net::HTTP_BAD_REQUEST);
base::test::TestFuture<absl::StatusOr<quiche::BlindSignMessageResponse>>
result_future;
auto callback =
[&result_future](
absl::StatusOr<quiche::BlindSignMessageResponse> response) {
result_future.SetValue(std::move(response));
};
http_fetcher_->DoRequest(request_type, authorization_header, body,
std::move(callback));
absl::StatusOr<quiche::BlindSignMessageResponse> result = result_future.Get();
EXPECT_TRUE(result.ok());
EXPECT_EQ(quiche::BlindSignMessageResponse::HttpCodeToStatusCode(
net::HTTP_BAD_REQUEST),
result.value().status_code());
}
} // namespace
} // namespace ip_protection
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