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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/proximity_auth/remote_device_loader.h"
#include <stddef.h>
#include "base/bind.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "components/proximity_auth/cryptauth/fake_secure_message_delegate.h"
#include "components/proximity_auth/proximity_auth_pref_manager.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace proximity_auth {
namespace {
// Prefixes for RemoteDevice fields.
const char kDeviceNamePrefix[] = "device";
const char kPublicKeyPrefix[] = "pk";
const char kBluetoothAddressPrefix[] = "11:22:33:44:55:0";
// 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";
// Creates and returns an ExternalDeviceInfo proto with the fields appended with
// |suffix|.
cryptauth::ExternalDeviceInfo CreateUnlockKey(const std::string& suffix) {
cryptauth::ExternalDeviceInfo unlock_key;
unlock_key.set_friendly_device_name(std::string(kDeviceNamePrefix) + suffix);
unlock_key.set_public_key(std::string(kPublicKeyPrefix) + suffix);
unlock_key.set_bluetooth_address(std::string(kBluetoothAddressPrefix) +
suffix);
return unlock_key;
}
class MockProximityAuthPrefManager : public ProximityAuthPrefManager {
public:
MockProximityAuthPrefManager() : ProximityAuthPrefManager(nullptr) {}
~MockProximityAuthPrefManager() override {}
MOCK_CONST_METHOD1(GetDeviceAddress, std::string(const std::string&));
};
} // namespace
class ProximityAuthRemoteDeviceLoaderTest : public testing::Test {
public:
ProximityAuthRemoteDeviceLoaderTest()
: secure_message_delegate_(new FakeSecureMessageDelegate()),
user_private_key_(secure_message_delegate_->GetPrivateKeyForPublicKey(
kUserPublicKey)),
pref_manager_(new MockProximityAuthPrefManager()) {}
~ProximityAuthRemoteDeviceLoaderTest() {}
void OnRemoteDevicesLoaded(const std::vector<RemoteDevice>& 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.
scoped_ptr<FakeSecureMessageDelegate> secure_message_delegate_;
// The private key of the user local device.
std::string user_private_key_;
// Stores the result of the RemoteDeviceLoader.
std::vector<RemoteDevice> remote_devices_;
// Stores the bluetooth address for BLE devices.
scoped_ptr<MockProximityAuthPrefManager> pref_manager_;
DISALLOW_COPY_AND_ASSIGN(ProximityAuthRemoteDeviceLoaderTest);
};
TEST_F(ProximityAuthRemoteDeviceLoaderTest, LoadZeroDevices) {
std::vector<cryptauth::ExternalDeviceInfo> unlock_keys;
RemoteDeviceLoader loader(unlock_keys, user_private_key_, kUserId,
secure_message_delegate_.Pass(),
pref_manager_.get());
std::vector<RemoteDevice> result;
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
base::Bind(&ProximityAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(0u, remote_devices_.size());
}
TEST_F(ProximityAuthRemoteDeviceLoaderTest, LoadOneClassicRemoteDevice) {
std::vector<cryptauth::ExternalDeviceInfo> unlock_keys(1,
CreateUnlockKey("1"));
RemoteDeviceLoader loader(unlock_keys, user_private_key_, kUserId,
secure_message_delegate_.Pass(),
pref_manager_.get());
std::vector<RemoteDevice> result;
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
base::Bind(&ProximityAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(1u, remote_devices_.size());
EXPECT_FALSE(remote_devices_[0].persistent_symmetric_key.empty());
EXPECT_EQ(unlock_keys[0].friendly_device_name(), remote_devices_[0].name);
EXPECT_EQ(unlock_keys[0].public_key(), remote_devices_[0].public_key);
EXPECT_EQ(unlock_keys[0].bluetooth_address(),
remote_devices_[0].bluetooth_address);
EXPECT_EQ(RemoteDevice::BLUETOOTH_CLASSIC, remote_devices_[0].bluetooth_type);
}
TEST_F(ProximityAuthRemoteDeviceLoaderTest, LoadOneBLERemoteDevice) {
std::vector<cryptauth::ExternalDeviceInfo> unlock_keys(1,
CreateUnlockKey("1"));
unlock_keys[0].set_bluetooth_address(std::string());
RemoteDeviceLoader loader(unlock_keys, user_private_key_, kUserId,
secure_message_delegate_.Pass(),
pref_manager_.get());
std::string ble_address = "00:00:00:00:00:00";
EXPECT_CALL(*pref_manager_, GetDeviceAddress(testing::_))
.WillOnce(testing::Return(ble_address));
std::vector<RemoteDevice> result;
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
base::Bind(&ProximityAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(1u, remote_devices_.size());
EXPECT_FALSE(remote_devices_[0].persistent_symmetric_key.empty());
EXPECT_EQ(unlock_keys[0].friendly_device_name(), remote_devices_[0].name);
EXPECT_EQ(unlock_keys[0].public_key(), remote_devices_[0].public_key);
EXPECT_EQ(ble_address, remote_devices_[0].bluetooth_address);
EXPECT_EQ(RemoteDevice::BLUETOOTH_LE, remote_devices_[0].bluetooth_type);
}
TEST_F(ProximityAuthRemoteDeviceLoaderTest, LoadThreeRemoteDevice) {
std::vector<cryptauth::ExternalDeviceInfo> unlock_keys;
unlock_keys.push_back(CreateUnlockKey("1"));
unlock_keys.push_back(CreateUnlockKey("2"));
unlock_keys.push_back(CreateUnlockKey("3"));
RemoteDeviceLoader loader(unlock_keys, user_private_key_, kUserId,
secure_message_delegate_.Pass(),
pref_manager_.get());
std::vector<RemoteDevice> result;
EXPECT_CALL(*this, LoadCompleted());
loader.Load(
base::Bind(&ProximityAuthRemoteDeviceLoaderTest::OnRemoteDevicesLoaded,
base::Unretained(this)));
EXPECT_EQ(3u, remote_devices_.size());
for (size_t i = 0; i < 3; ++i) {
EXPECT_FALSE(remote_devices_[i].persistent_symmetric_key.empty());
EXPECT_EQ(unlock_keys[i].friendly_device_name(), remote_devices_[i].name);
EXPECT_EQ(unlock_keys[i].public_key(), remote_devices_[i].public_key);
EXPECT_EQ(unlock_keys[i].bluetooth_address(),
remote_devices_[i].bluetooth_address);
}
}
} // namespace proximity_auth
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