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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/quick_start/quick_start_requests.h"
#include "components/cbor/reader.h"
#include "crypto/hash.h"
#include "testing/gtest/include/gtest/gtest.h"
using ash::quick_start::requests::CBOREncodeGetAssertionRequest;
using ash::quick_start::requests::GenerateGetAssertionRequest;
namespace {
// Used as a dummy client data hash when constructing test requests.
const std::array<uint8_t, crypto::hash::kSha256Size> kTestClientDataHash = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
};
} // namespace
class QuickStartRequestTest : public testing::Test {
public:
QuickStartRequestTest() = default;
QuickStartRequestTest(QuickStartRequestTest&) = delete;
QuickStartRequestTest& operator=(QuickStartRequestTest&) = delete;
~QuickStartRequestTest() override = default;
protected:
void SetUp() override {}
};
TEST_F(QuickStartRequestTest, GenerateGetAssertionRequest_ValidChallenge) {
cbor::Value request = GenerateGetAssertionRequest(kTestClientDataHash);
ASSERT_TRUE(request.is_map());
const cbor::Value::MapValue& request_map = request.GetMap();
// CBOR Index 0x01 stores the relying_party_id for the GetAssertionRequest.
EXPECT_EQ(request_map.find(cbor::Value(0x01))->second.GetString(),
"google.com");
// CBOR Index 0x02 stores the client data hash.
EXPECT_EQ(base::as_byte_span(
request_map.find(cbor::Value(0x02))->second.GetBytestring()),
kTestClientDataHash);
// CBOR Index 0x05 stores the options for the GetAssertionRequest.
const cbor::Value::MapValue& options_map =
request_map.find(cbor::Value(0x05))->second.GetMap();
// CBOR key "uv" stores the userVerification bit for the options.
EXPECT_TRUE(options_map.find(cbor::Value("uv"))->second.GetBool());
// CBOR key "up" stores the userPresence bit for the options.
EXPECT_TRUE(options_map.find(cbor::Value("up"))->second.GetBool());
EXPECT_GT(request_map.find(cbor::Value(0x02))->second.GetBytestring().size(),
0UL);
}
TEST_F(QuickStartRequestTest, CBOREncodeGetAssertionRequest) {
cbor::Value request = GenerateGetAssertionRequest(kTestClientDataHash);
std::vector<uint8_t> cbor_encoded_request =
CBOREncodeGetAssertionRequest(std::move(request));
std::optional<cbor::Value> cbor;
const base::span<const uint8_t> ctap_request_span =
base::span(cbor_encoded_request);
cbor = cbor::Reader::Read(ctap_request_span.subspan<1>());
ASSERT_TRUE(cbor);
ASSERT_TRUE(cbor->is_map());
const cbor::Value::MapValue& cbor_map = cbor->GetMap();
// CBOR Index 0x01 stores the relying_party_id for the GetAssertionRequest.
EXPECT_EQ(cbor_map.find(cbor::Value(0x01))->second.GetString(), "google.com");
}
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