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// Copyright 2014 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/ash/policy/invalidation/affiliated_cloud_policy_invalidator.h"
#include <stdint.h>
#include <memory>
#include <string>
#include <utility>
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "chrome/browser/ash/policy/invalidation/fake_affiliated_invalidation_service_provider.h"
#include "chrome/browser/policy/cloud/cloud_policy_invalidator.h"
#include "chromeos/ash/components/policy/device_policy/device_policy_builder.h"
#include "components/invalidation/impl/fake_invalidation_service.h"
#include "components/invalidation/public/invalidation.h"
#include "components/invalidation/public/invalidation_util.h"
#include "components/policy/core/common/cloud/cloud_policy_constants.h"
#include "components/policy/core/common/cloud/cloud_policy_core.h"
#include "components/policy/core/common/cloud/cloud_policy_store.h"
#include "components/policy/core/common/cloud/mock_cloud_policy_client.h"
#include "components/policy/core/common/cloud/mock_cloud_policy_store.h"
#include "components/policy/core/common/cloud/test/policy_builder.h"
#include "components/policy/proto/chrome_device_policy.pb.h"
#include "content/public/test/browser_task_environment.h"
#include "services/network/test/test_network_connection_tracker.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace em = enterprise_management;
using testing::_;
using testing::Invoke;
using testing::Mock;
using testing::WithArgs;
namespace policy {
namespace {
const char kPolicyInvalidationTopic[] = "policy_invalidation_topic";
} // namespace
// Verifies that an invalidator is created/destroyed as an invalidation service
// becomes available/unavailable. Also verifies that invalidations are handled
// correctly and the highest handled invalidation version is preserved when
// switching invalidation services.
TEST(AffiliatedCloudPolicyInvalidatorTest, CreateUseDestroy) {
content::BrowserTaskEnvironment task_environment;
// Set up a CloudPolicyCore backed by a simple CloudPolicyStore that does no
// signature verification and stores policy in memory.
MockCloudPolicyStore store;
ON_CALL(store, Load()).WillByDefault([&store]() {
store.NotifyStoreLoaded();
});
ON_CALL(store, Store(testing::_))
.WillByDefault([&store](const em::PolicyFetchResponse& policy) {
auto policy_data = std::make_unique<em::PolicyData>();
ASSERT_TRUE(policy_data->ParseFromString(policy.policy_data()));
store.set_policy_data_for_testing(std::move(policy_data));
store.Load();
});
CloudPolicyCore core(dm_protocol::kChromeDevicePolicyType, std::string(),
&store,
base::SingleThreadTaskRunner::GetCurrentDefault(),
network::TestNetworkConnectionTracker::CreateGetter());
// Connect |core|. Expect it to send a registration request. Let the
// registration succeed.
std::unique_ptr<MockCloudPolicyClient> policy_client_owner(
new MockCloudPolicyClient);
MockCloudPolicyClient* policy_client = policy_client_owner.get();
EXPECT_CALL(
*policy_client,
SetupRegistration(PolicyBuilder::kFakeToken, PolicyBuilder::kFakeDeviceId,
PolicyBuilder::GetUserAffiliationIds()))
.WillOnce(WithArgs<1>(
Invoke(policy_client, &MockCloudPolicyClient::SetDMToken)));
core.Connect(std::move(policy_client_owner));
Mock::VerifyAndClearExpectations(&policy_client);
core.StartRefreshScheduler();
DevicePolicyBuilder policy;
policy.policy_data().set_policy_invalidation_topic(kPolicyInvalidationTopic);
policy.Build();
store.Store(policy.policy());
FakeAffiliatedInvalidationServiceProvider provider;
AffiliatedCloudPolicyInvalidator affiliated_invalidator(
PolicyInvalidationScope::kDevice, &core, &provider);
// Verify that no invalidator exists initially.
EXPECT_FALSE(affiliated_invalidator.GetInvalidatorForTest());
// Make a first invalidation service available.
invalidation::FakeInvalidationService invalidation_service_1;
affiliated_invalidator.OnInvalidationServiceSet(&invalidation_service_1);
// Verify that an invalidator backed by the first invalidation service has
// been created and its highest handled invalidation version starts out as
// zero.
CloudPolicyInvalidator* invalidator =
affiliated_invalidator.GetInvalidatorForTest();
ASSERT_TRUE(invalidator);
EXPECT_EQ(0, invalidator->highest_handled_invalidation_version());
EXPECT_EQ(&invalidation_service_1,
invalidator->invalidation_service_for_test());
// Trigger an invalidation. The invalidation version is interpreted as a
// timestamp in microseconds. The policy blob contains a timestamp in
// milliseconds. Convert from one to the other by multiplying by 1000.
const int64_t invalidation_version = policy.policy_data().timestamp() * 1000;
invalidation::Invalidation invalidation = invalidation::Invalidation(
kPolicyInvalidationTopic, invalidation_version, "dummy payload");
invalidator->OnIncomingInvalidation(invalidation);
// Allow the invalidation to be handled.
policy_client->SetFetchedInvalidationVersion(invalidation_version);
policy.payload().mutable_reboot_on_shutdown()->set_reboot_on_shutdown(true);
policy.Build();
policy_client->SetPolicy(dm_protocol::kChromeDevicePolicyType, std::string(),
policy.policy());
// TODO(b/298336121) Adjust expected argument once an appropriate
// PolicyFetchReason can be passed through.
EXPECT_CALL(*policy_client, FetchPolicy(_))
.WillOnce(
Invoke(policy_client, &MockCloudPolicyClient::NotifyPolicyFetched));
base::RunLoop().RunUntilIdle();
// Verify that the invalidator's highest handled invalidation version was
// updated and the new policy was stored.
EXPECT_EQ(invalidation_version,
invalidator->highest_handled_invalidation_version());
ASSERT_TRUE(store.policy());
em::ChromeDeviceSettingsProto device_policy;
device_policy.ParseFromString(store.policy()->policy_value());
EXPECT_EQ(true, device_policy.reboot_on_shutdown().reboot_on_shutdown());
// Make the first invalidation service unavailable. Verify that the
// invalidator is destroyed.
affiliated_invalidator.OnInvalidationServiceSet(nullptr);
EXPECT_FALSE(affiliated_invalidator.GetInvalidatorForTest());
// Make a second invalidation service available.
invalidation::FakeInvalidationService invalidation_service_2;
affiliated_invalidator.OnInvalidationServiceSet(&invalidation_service_2);
// Verify that an invalidator backed by the second invalidation service has
// been created and its highest handled invalidation version does not start
// out as zero.
invalidator = affiliated_invalidator.GetInvalidatorForTest();
ASSERT_TRUE(invalidator);
EXPECT_EQ(invalidation_version,
invalidator->highest_handled_invalidation_version());
EXPECT_EQ(&invalidation_service_2,
invalidator->invalidation_service_for_test());
// Make the first invalidation service available again. This implies that the
// second invalidation service is no longer available.
affiliated_invalidator.OnInvalidationServiceSet(&invalidation_service_1);
// Verify that the invalidator backed by the second invalidation service was
// destroyed and an invalidation backed by the first invalidation service has
// been created instead. Also verify that its highest handled invalidation
// version does not start out as zero.
invalidator = affiliated_invalidator.GetInvalidatorForTest();
ASSERT_TRUE(invalidator);
EXPECT_EQ(invalidation_version,
invalidator->highest_handled_invalidation_version());
EXPECT_EQ(&invalidation_service_1,
invalidator->invalidation_service_for_test());
provider.Shutdown();
affiliated_invalidator.OnInvalidationServiceSet(nullptr);
}
} // namespace policy
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