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// Copyright 2015 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 "components/cryptauth/remote_device_loader.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/macros.h"
#include "components/cryptauth/fake_secure_message_delegate.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cryptauth {
namespace {
// Prefixes for RemoteDevice fields.
const char kDeviceNamePrefix[] = "device";
const char kPublicKeyPrefix[] = "pk";
// The id of the user who the remote devices belong to.
const char kUserId[] = "example@gmail.com";
// The public key of the user's local device.
const char kUserPublicKey[] = "User public key";
// BeaconSeed values.
const int64_t kBeaconSeedStartTimeMs = 1000;
const int64_t kBeaconSeedEndTimeMs = 2000;
const char kBeaconSeedData[] = "Beacon Seed Data";
// Creates and returns an ExternalDeviceInfo proto with the fields appended with
// |suffix|.
cryptauth::ExternalDeviceInfo CreateDeviceInfo(const std::string& suffix) {
cryptauth::ExternalDeviceInfo device_info;
device_info.set_friendly_device_name(std::string(kDeviceNamePrefix) + suffix);
device_info.set_public_key(std::string(kPublicKeyPrefix) + suffix);
device_info.add_beacon_seeds();
BeaconSeed* beacon_seed = device_info.mutable_beacon_seeds(0);
beacon_seed->set_start_time_millis(kBeaconSeedStartTimeMs);
beacon_seed->set_end_time_millis(kBeaconSeedEndTimeMs);
beacon_seed->set_data(kBeaconSeedData);
return device_info;
}
} // namespace
class CryptAuthRemoteDeviceLoaderTest : public testing::Test {
public:
CryptAuthRemoteDeviceLoaderTest()
: secure_message_delegate_(new cryptauth::FakeSecureMessageDelegate()),
user_private_key_(secure_message_delegate_->GetPrivateKeyForPublicKey(
kUserPublicKey)) {}
~CryptAuthRemoteDeviceLoaderTest() {}
void OnRemoteDevicesLoaded(
const cryptauth::RemoteDeviceList& remote_devices) {
remote_devices_ = remote_devices;
LoadCompleted();
}
MOCK_METHOD0(LoadCompleted, void());
protected:
// Handles deriving the PSK. Ownership will be passed to the
// RemoteDeviceLoader under test.
std::unique_ptr<cryptauth::FakeSecureMessageDelegate>
secure_message_delegate_;
// The private key of the user local device.
std::string user_private_key_;
// Stores the result of the RemoteDeviceLoader.
cryptauth::RemoteDeviceList remote_devices_;
DISALLOW_COPY_AND_ASSIGN(CryptAuthRemoteDeviceLoaderTest);
};
TEST_F(CryptAuthRemoteDeviceLoaderTest, LoadZeroDevices) {
std::vector<cryptauth::ExternalDeviceInfo> device_infos;
RemoteDeviceLoader loader(device_infos, user_private_key_, kUserId,
std::move(secure_message_delegate_));
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
false, base::Bind(&CryptAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(0u, remote_devices_.size());
}
TEST_F(CryptAuthRemoteDeviceLoaderTest, LoadOneDeviceWithBeaconSeeds) {
std::vector<cryptauth::ExternalDeviceInfo> device_infos(
1, CreateDeviceInfo("0"));
RemoteDeviceLoader loader(device_infos, user_private_key_, kUserId,
std::move(secure_message_delegate_));
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
true, base::Bind(&CryptAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(1u, remote_devices_.size());
EXPECT_FALSE(remote_devices_[0].persistent_symmetric_key.empty());
EXPECT_EQ(device_infos[0].friendly_device_name(), remote_devices_[0].name);
EXPECT_EQ(device_infos[0].public_key(), remote_devices_[0].public_key);
EXPECT_TRUE(remote_devices_[0].are_beacon_seeds_loaded);
ASSERT_EQ(1u, remote_devices_[0].beacon_seeds.size());
const BeaconSeed& beacon_seed = remote_devices_[0].beacon_seeds[0];
EXPECT_EQ(kBeaconSeedData, beacon_seed.data());
EXPECT_EQ(kBeaconSeedStartTimeMs, beacon_seed.start_time_millis());
EXPECT_EQ(kBeaconSeedEndTimeMs, beacon_seed.end_time_millis());
}
TEST_F(CryptAuthRemoteDeviceLoaderTest, LoadDevicesWithAndWithoutBeaconSeeds) {
std::vector<cryptauth::ExternalDeviceInfo> device_infos(
1, CreateDeviceInfo("0"));
RemoteDeviceLoader loader1(device_infos, user_private_key_, kUserId,
std::make_unique<FakeSecureMessageDelegate>());
EXPECT_CALL(*this, LoadCompleted());
loader1.Load(
false /* should_load_beacon_seeds */,
base::Bind(&CryptAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
RemoteDevice remote_device_without_beacon_seed = remote_devices_[0];
RemoteDeviceLoader loader2(device_infos, user_private_key_, kUserId,
std::make_unique<FakeSecureMessageDelegate>());
EXPECT_CALL(*this, LoadCompleted());
loader2.Load(
true /* should_load_beacon_seeds */,
base::Bind(&CryptAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
RemoteDevice remote_device_with_beacon_seed = remote_devices_[0];
EXPECT_EQ(remote_device_without_beacon_seed,
remote_device_without_beacon_seed);
EXPECT_EQ(remote_device_with_beacon_seed, remote_device_with_beacon_seed);
EXPECT_FALSE(remote_device_with_beacon_seed ==
remote_device_without_beacon_seed);
}
TEST_F(CryptAuthRemoteDeviceLoaderTest, BooleanAttributes) {
cryptauth::ExternalDeviceInfo first = CreateDeviceInfo("0");
first.set_unlock_key(true);
first.set_mobile_hotspot_supported(true);
cryptauth::ExternalDeviceInfo second = CreateDeviceInfo("1");
second.set_unlock_key(false);
second.set_mobile_hotspot_supported(false);
std::vector<cryptauth::ExternalDeviceInfo> device_infos{first, second};
RemoteDeviceLoader loader(device_infos, user_private_key_, kUserId,
std::move(secure_message_delegate_));
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
false, base::Bind(&CryptAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(2u, remote_devices_.size());
EXPECT_FALSE(remote_devices_[0].persistent_symmetric_key.empty());
EXPECT_TRUE(remote_devices_[0].unlock_key);
EXPECT_TRUE(remote_devices_[0].supports_mobile_hotspot);
EXPECT_FALSE(remote_devices_[1].persistent_symmetric_key.empty());
EXPECT_FALSE(remote_devices_[1].unlock_key);
EXPECT_FALSE(remote_devices_[1].supports_mobile_hotspot);
}
TEST_F(CryptAuthRemoteDeviceLoaderTest, LastUpdateTimeMillis) {
cryptauth::ExternalDeviceInfo first = CreateDeviceInfo("0");
first.set_last_update_time_millis(1000);
cryptauth::ExternalDeviceInfo second = CreateDeviceInfo("1");
second.set_last_update_time_millis(2000);
std::vector<cryptauth::ExternalDeviceInfo> device_infos{first, second};
RemoteDeviceLoader loader(device_infos, user_private_key_, kUserId,
std::move(secure_message_delegate_));
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
false, base::Bind(&CryptAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(2u, remote_devices_.size());
EXPECT_EQ(1000, remote_devices_[0].last_update_time_millis);
EXPECT_EQ(2000, remote_devices_[1].last_update_time_millis);
}
TEST_F(CryptAuthRemoteDeviceLoaderTest, SoftwareFeatures) {
const std::vector<SoftwareFeature> kSupportedSoftwareFeatures{
BETTER_TOGETHER_HOST, BETTER_TOGETHER_CLIENT};
const std::vector<SoftwareFeature> kEnabledSoftwareFeatures{
BETTER_TOGETHER_HOST};
cryptauth::ExternalDeviceInfo first = CreateDeviceInfo("0");
for (const auto& software_feature : kSupportedSoftwareFeatures)
first.add_supported_software_features(software_feature);
for (const auto& software_feature : kEnabledSoftwareFeatures)
first.add_enabled_software_features(software_feature);
std::vector<cryptauth::ExternalDeviceInfo> device_infos{first};
RemoteDeviceLoader loader(device_infos, user_private_key_, kUserId,
std::move(secure_message_delegate_));
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
false, base::Bind(&CryptAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(1u, remote_devices_.size());
EXPECT_EQ(SoftwareFeatureState::kSupported,
remote_devices_[0].software_features[BETTER_TOGETHER_CLIENT]);
EXPECT_EQ(SoftwareFeatureState::kEnabled,
remote_devices_[0].software_features[BETTER_TOGETHER_HOST]);
EXPECT_EQ(SoftwareFeatureState::kNotSupported,
remote_devices_[0].software_features[MAGIC_TETHER_HOST]);
}
} // namespace cryptauth
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