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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/component_updater/crl_set_component_installer.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "build/build_config.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/test/browser_task_environment.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/test_data_directory.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
#include "services/cert_verifier/public/mojom/cert_verifier_service_factory.mojom.h"
#include "services/network/network_service.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "services/network/test/test_url_loader_client.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace component_updater {
class CRLSetComponentInstallerTest : public PlatformTest {
public:
CRLSetComponentInstallerTest()
: task_environment_(content::BrowserTaskEnvironment::IO_MAINLOOP),
test_server_(net::EmbeddedTestServer::TYPE_HTTPS),
network_service_(std::make_unique<network::NetworkService>(nullptr)) {}
CRLSetComponentInstallerTest(const CRLSetComponentInstallerTest&) = delete;
CRLSetComponentInstallerTest& operator=(const CRLSetComponentInstallerTest&) =
delete;
void SetUp() override {
PlatformTest::SetUp();
test_server_.SetSSLConfig(net::EmbeddedTestServer::CERT_OK);
test_server_.AddDefaultHandlers(
base::FilePath(FILE_PATH_LITERAL("chrome/test/data")));
ASSERT_TRUE(test_server_.Start());
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
policy_ = std::make_unique<CRLSetPolicy>();
}
void SimulateNetworkServiceCrash() {
network_service_.reset();
network_service_ = std::make_unique<network::NetworkService>(nullptr);
}
void LoadURL(const GURL& url) {
network::ResourceRequest request;
request.url = url;
request.method = "GET";
request.request_initiator = url::Origin();
client_ = std::make_unique<network::TestURLLoaderClient>();
mojo::Remote<network::mojom::URLLoaderFactory> loader_factory;
network::mojom::URLLoaderFactoryParamsPtr params =
network::mojom::URLLoaderFactoryParams::New();
params->process_id = 0;
params->is_orb_enabled = false;
network_context_->CreateURLLoaderFactory(
loader_factory.BindNewPipeAndPassReceiver(), std::move(params));
loader_.reset();
loader_factory->CreateLoaderAndStart(
loader_.BindNewPipeAndPassReceiver(), 1,
network::mojom::kURLLoadOptionSendSSLInfoWithResponse |
network::mojom::kURLLoadOptionSendSSLInfoForCertificateError,
request, client_->CreateRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
client_->RunUntilComplete();
}
void InstallCRLSet(const base::FilePath& raw_crl_file) {
base::CopyFile(raw_crl_file, temp_dir_.GetPath().AppendASCII("crl-set"));
ASSERT_TRUE(
policy_->VerifyInstallation(base::Value::Dict(), temp_dir_.GetPath()));
policy_->ComponentReady(base::Version("1.0"), temp_dir_.GetPath(),
base::Value::Dict());
task_environment_.RunUntilIdle();
}
network::mojom::NetworkContextParamsPtr CreateNetworkContextParams() {
auto params = network::mojom::NetworkContextParams::New();
params->cert_verifier_params = content::GetCertVerifierParams(
cert_verifier::mojom::CertVerifierCreationParams::New());
return params;
}
protected:
content::BrowserTaskEnvironment task_environment_;
net::EmbeddedTestServer test_server_;
std::unique_ptr<CRLSetPolicy> policy_;
std::unique_ptr<network::TestURLLoaderClient> client_;
std::unique_ptr<network::NetworkService> network_service_;
mojo::Remote<network::mojom::NetworkContext> network_context_;
mojo::Remote<network::mojom::URLLoader> loader_;
base::ScopedTempDir temp_dir_;
};
TEST_F(CRLSetComponentInstallerTest, ConfiguresOnInstall) {
network_service_->CreateNetworkContext(
network_context_.BindNewPipeAndPassReceiver(),
CreateNetworkContextParams());
// Ensure the test server can load by default.
LoadURL(test_server_.GetURL("/empty.html"));
ASSERT_EQ(net::OK, client_->completion_status().error_code);
// Simulate a CRLSet being installed.
ASSERT_NO_FATAL_FAILURE(
InstallCRLSet(net::GetTestCertsDirectory().AppendASCII(
"crlset_known_interception_by_root.raw")));
// Ensure the test server is now flagged as a known MITM certificate.
LoadURL(test_server_.GetURL("/empty.html"));
ASSERT_EQ(net::OK, client_->completion_status().error_code);
ASSERT_TRUE(client_->ssl_info());
EXPECT_TRUE(client_->ssl_info()->cert_status &
net::CERT_STATUS_KNOWN_INTERCEPTION_DETECTED);
}
// CRLSet updates do not go through the NetworkService anymore, but I guess
// it's still useful to test that after a network service restart the
// configured CRLSet is still honored.
TEST_F(CRLSetComponentInstallerTest,
StillConfiguredAfterNetworkServiceRestartWithCRLSet) {
network_service_->CreateNetworkContext(
network_context_.BindNewPipeAndPassReceiver(),
CreateNetworkContextParams());
// Ensure the test server can load by default.
LoadURL(test_server_.GetURL("/empty.html"));
ASSERT_EQ(net::OK, client_->completion_status().error_code);
// Simulate a CRLSet being installed.
ASSERT_NO_FATAL_FAILURE(
InstallCRLSet(net::GetTestCertsDirectory().AppendASCII(
"crlset_known_interception_by_root.raw")));
// Ensure the test server is now flagged as a known MITM certificate.
LoadURL(test_server_.GetURL("/empty.html"));
ASSERT_EQ(net::OK, client_->completion_status().error_code);
ASSERT_TRUE(client_->ssl_info());
EXPECT_TRUE(client_->ssl_info()->cert_status &
net::CERT_STATUS_KNOWN_INTERCEPTION_DETECTED);
// Simulate a Network Service crash
SimulateNetworkServiceCrash();
task_environment_.RunUntilIdle();
network_context_.reset();
network_service_->CreateNetworkContext(
network_context_.BindNewPipeAndPassReceiver(),
CreateNetworkContextParams());
// Ensure the test server is still flagged even with a new context and
// service.
LoadURL(test_server_.GetURL("/empty.html"));
ASSERT_EQ(net::OK, client_->completion_status().error_code);
ASSERT_TRUE(client_->ssl_info());
EXPECT_TRUE(client_->ssl_info()->cert_status &
net::CERT_STATUS_KNOWN_INTERCEPTION_DETECTED);
}
} // namespace component_updater
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