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mock_fido_device.cc
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mock_fido_device.cc
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// Copyright 2017 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 "device/fido/mock_fido_device.h"
#include <utility>
#include "base/bind.h"
#include "base/location.h"
#include "base/strings/strcat.h"
#include "base/threading/thread_task_runner_handle.h"
#include "components/apdu/apdu_response.h"
#include "device/fido/device_response_converter.h"
#include "device/fido/fido_constants.h"
#include "device/fido/fido_parsing_utils.h"
#include "device/fido/fido_test_data.h"
namespace device {
namespace {
AuthenticatorGetInfoResponse DefaultAuthenticatorInfo() {
return *ReadCTAPGetInfoResponse(test_data::kTestAuthenticatorGetInfoResponse);
}
} // namespace
// static
std::unique_ptr<MockFidoDevice> MockFidoDevice::MakeU2f() {
return std::make_unique<MockFidoDevice>(ProtocolVersion::kU2f, base::nullopt);
}
// static
std::unique_ptr<MockFidoDevice> MockFidoDevice::MakeCtap(
base::Optional<AuthenticatorGetInfoResponse> device_info) {
if (!device_info) {
device_info = DefaultAuthenticatorInfo();
}
return std::make_unique<MockFidoDevice>(ProtocolVersion::kCtap,
std::move(*device_info));
}
// static
std::unique_ptr<MockFidoDevice>
MockFidoDevice::MakeU2fWithGetInfoExpectation() {
auto device = std::make_unique<MockFidoDevice>();
device->StubGetId();
device->ExpectCtap2CommandAndRespondWith(
CtapRequestCommand::kAuthenticatorGetInfo, base::nullopt);
return device;
}
// static
std::unique_ptr<MockFidoDevice> MockFidoDevice::MakeCtapWithGetInfoExpectation(
base::Optional<base::span<const uint8_t>> get_info_response) {
auto device = std::make_unique<MockFidoDevice>();
device->StubGetId();
if (!get_info_response) {
get_info_response = test_data::kTestAuthenticatorGetInfoResponse;
}
device->ExpectCtap2CommandAndRespondWith(
CtapRequestCommand::kAuthenticatorGetInfo, std::move(get_info_response));
return device;
}
// Matcher to compare the fist byte of the incoming requests.
MATCHER_P(IsCtap2Command, expected_command, "") {
return !arg.empty() && arg[0] == base::strict_cast<uint8_t>(expected_command);
}
MockFidoDevice::MockFidoDevice() : weak_factory_(this) {}
MockFidoDevice::MockFidoDevice(
ProtocolVersion protocol_version,
base::Optional<AuthenticatorGetInfoResponse> device_info)
: MockFidoDevice() {
set_supported_protocol(protocol_version);
if (device_info) {
SetDeviceInfo(std::move(*device_info));
}
}
MockFidoDevice::~MockFidoDevice() = default;
void MockFidoDevice::TryWink(WinkCallback cb) {
TryWinkRef(cb);
}
void MockFidoDevice::DeviceTransact(std::vector<uint8_t> command,
DeviceCallback cb) {
DeviceTransactPtr(command, cb);
}
FidoTransportProtocol MockFidoDevice::DeviceTransport() const {
return transport_protocol_;
}
base::WeakPtr<FidoDevice> MockFidoDevice::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void MockFidoDevice::ExpectWinkedAtLeastOnce() {
EXPECT_CALL(*this, TryWinkRef(::testing::_)).Times(::testing::AtLeast(1));
}
void MockFidoDevice::StubGetId() {
// Use a counter to keep the device ID unique.
static size_t i = 0;
EXPECT_CALL(*this, GetId())
.WillRepeatedly(
testing::Return(base::StrCat({"mockdevice", std::to_string(i++)})));
}
void MockFidoDevice::ExpectCtap2CommandAndRespondWith(
CtapRequestCommand command,
base::Optional<base::span<const uint8_t>> response,
base::TimeDelta delay) {
auto data = fido_parsing_utils::MaterializeOrNull(response);
auto send_response = [ data(std::move(data)), delay ](DeviceCallback & cb) {
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::BindOnce(std::move(cb), std::move(data)), delay);
};
EXPECT_CALL(*this, DeviceTransactPtr(IsCtap2Command(command), ::testing::_))
.WillOnce(::testing::WithArg<1>(::testing::Invoke(send_response)));
}
void MockFidoDevice::ExpectCtap2CommandAndRespondWithError(
CtapRequestCommand command,
CtapDeviceResponseCode response_code,
base::TimeDelta delay) {
std::array<uint8_t, 1> data{base::strict_cast<uint8_t>(response_code)};
return ExpectCtap2CommandAndRespondWith(std::move(command), data, delay);
}
void MockFidoDevice::ExpectRequestAndRespondWith(
base::span<const uint8_t> request,
base::Optional<base::span<const uint8_t>> response,
base::TimeDelta delay) {
auto data = fido_parsing_utils::MaterializeOrNull(response);
auto send_response = [ data(std::move(data)), delay ](DeviceCallback & cb) {
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::BindOnce(std::move(cb), std::move(data)), delay);
};
auto request_as_vector = fido_parsing_utils::Materialize(request);
EXPECT_CALL(*this,
DeviceTransactPtr(std::move(request_as_vector), ::testing::_))
.WillOnce(::testing::WithArg<1>(::testing::Invoke(send_response)));
}
void MockFidoDevice::ExpectCtap2CommandAndDoNotRespond(
CtapRequestCommand command) {
EXPECT_CALL(*this, DeviceTransactPtr(IsCtap2Command(command), ::testing::_));
}
void MockFidoDevice::ExpectRequestAndDoNotRespond(
base::span<const uint8_t> request) {
auto request_as_vector = fido_parsing_utils::Materialize(request);
EXPECT_CALL(*this,
DeviceTransactPtr(std::move(request_as_vector), ::testing::_));
}
void MockFidoDevice::SetDeviceTransport(
FidoTransportProtocol transport_protocol) {
transport_protocol_ = transport_protocol;
}
} // namespace device