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// Copyright 2021 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/enterprise/remote_commands/rotate_attestation_credential_job.h"
#include "base/functional/callback.h"
#include "base/json/json_writer.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "base/values.h"
#include "chrome/browser/enterprise/connectors/device_trust/device_trust_features.h"
#include "chrome/browser/enterprise/connectors/device_trust/key_management/browser/mock_device_trust_key_manager.h"
#include "components/enterprise/browser/device_trust/device_trust_key_manager.h"
#include "components/policy/proto/device_management_backend.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using KeyRotationResult =
enterprise_connectors::DeviceTrustKeyManager::KeyRotationResult;
using testing::_;
using testing::Invoke;
namespace enterprise_commands {
namespace {
constexpr policy::RemoteCommandJob::UniqueIDType kUniqueID = 123456789;
const char kNonceField[] = "nonce";
const char kNonceValue[] = "some nonce value";
enterprise_management::RemoteCommand CreateCommand() {
enterprise_management::RemoteCommand command_proto;
command_proto.set_type(
enterprise_management::
RemoteCommand_Type_BROWSER_ROTATE_ATTESTATION_CREDENTIAL);
command_proto.set_command_id(kUniqueID);
return command_proto;
}
std::string GetPayloadWithNonce() {
base::Value::Dict root;
root.Set(kNonceField, kNonceValue);
std::string payload;
base::JSONWriter::Write(root, &payload);
return payload;
}
std::string GetEmptyPayload() {
return "{}";
}
} // namespace
class RotateAttestationCredentialJobTest
: public testing::Test,
public testing::WithParamInterface<bool> {
protected:
RotateAttestationCredentialJobTest() {
feature_list_.InitWithFeatureState(
enterprise_connectors::kDTCKeyRotationEnabled,
is_key_rotation_enabled());
}
void MockKeyRotationWith(KeyRotationResult result) {
EXPECT_CALL(mock_key_manager_, RotateKey(kNonceValue, _))
.WillOnce(Invoke(
[result](const std::string& nonce,
base::OnceCallback<void(KeyRotationResult)> callback) {
std::move(callback).Run(result);
}));
}
std::unique_ptr<RotateAttestationCredentialJob> CreateJob(
enterprise_management::RemoteCommand command_proto) {
auto job =
std::make_unique<RotateAttestationCredentialJob>(&mock_key_manager_);
EXPECT_TRUE(job->Init(base::TimeTicks::Now(), command_proto,
enterprise_management::SignedData{}));
EXPECT_EQ(kUniqueID, job->unique_id());
EXPECT_EQ(policy::RemoteCommandJob::NOT_STARTED, job->status());
return job;
}
bool is_key_rotation_enabled() { return GetParam(); }
base::test::SingleThreadTaskEnvironment task_environment_;
base::test::ScopedFeatureList feature_list_;
testing::StrictMock<enterprise_connectors::test::MockDeviceTrustKeyManager>
mock_key_manager_;
};
// Tests that a job conveys a successful key rotation properly.
TEST_P(RotateAttestationCredentialJobTest, SuccessRun) {
if (is_key_rotation_enabled()) {
MockKeyRotationWith(KeyRotationResult::SUCCESS);
}
auto command_proto = CreateCommand();
auto json_payload = GetPayloadWithNonce();
command_proto.set_payload(json_payload);
base::RunLoop run_loop;
auto job = CreateJob(std::move(command_proto));
EXPECT_TRUE(job->Run(base::Time::Now(), base::TimeTicks::Now(),
run_loop.QuitClosure()));
run_loop.Run();
if (is_key_rotation_enabled()) {
EXPECT_EQ(job->status(), policy::RemoteCommandJob::SUCCEEDED);
} else {
EXPECT_EQ(job->status(), policy::RemoteCommandJob::FAILED);
}
}
// Tests that a job conveys a failed key rotation properly.
TEST_P(RotateAttestationCredentialJobTest, FailedRun) {
if (is_key_rotation_enabled()) {
MockKeyRotationWith(KeyRotationResult::FAILURE);
}
auto command_proto = CreateCommand();
auto json_payload = GetPayloadWithNonce();
command_proto.set_payload(json_payload);
base::RunLoop run_loop;
auto job = CreateJob(std::move(command_proto));
EXPECT_TRUE(job->Run(base::Time::Now(), base::TimeTicks::Now(),
run_loop.QuitClosure()));
run_loop.Run();
EXPECT_EQ(job->status(), policy::RemoteCommandJob::FAILED);
}
// Tests that a job conveys a cancelled key rotation properly.
TEST_P(RotateAttestationCredentialJobTest, CancelledRun) {
if (is_key_rotation_enabled()) {
MockKeyRotationWith(KeyRotationResult::CANCELLATION);
}
auto command_proto = CreateCommand();
auto json_payload = GetPayloadWithNonce();
command_proto.set_payload(json_payload);
base::RunLoop run_loop;
auto job = CreateJob(std::move(command_proto));
EXPECT_TRUE(job->Run(base::Time::Now(), base::TimeTicks::Now(),
run_loop.QuitClosure()));
run_loop.Run();
EXPECT_EQ(job->status(), policy::RemoteCommandJob::FAILED);
}
// Tests that a job handles a bad payload properly.
TEST_P(RotateAttestationCredentialJobTest, BadPayload) {
auto command_proto = CreateCommand();
auto json_payload = GetEmptyPayload();
command_proto.set_payload(json_payload);
auto job =
std::make_unique<RotateAttestationCredentialJob>(&mock_key_manager_);
EXPECT_FALSE(job->Init(base::TimeTicks::Now(), command_proto,
enterprise_management::SignedData{}));
}
INSTANTIATE_TEST_SUITE_P(, RotateAttestationCredentialJobTest, testing::Bool());
} // namespace enterprise_commands
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