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authenticator_impl_unittest.cc
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authenticator_impl_unittest.cc
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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/webauth/authenticator_impl.h"
#include <list>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/base64url.h"
#include "base/compiler_specific.h"
#include "base/containers/contains.h"
#include "base/containers/flat_set.h"
#include "base/files/file.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/memory/raw_ptr.h"
#include "base/path_service.h"
#include "base/rand_util.h"
#include "base/ranges/algorithm.h"
#include "base/run_loop.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/system/sys_info.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/bind.h"
#include "base/test/gtest_util.h"
#include "base/test/scoped_command_line.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_mock_time_task_runner.h"
#include "base/time/tick_clock.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "components/cbor/reader.h"
#include "components/cbor/values.h"
#include "components/webauthn/content/browser/internal_authenticator_impl.h"
#include "content/browser/webauth/authenticator_common_impl.h"
#include "content/browser/webauth/authenticator_environment_impl.h"
#include "content/browser/webauth/client_data_json.h"
#include "content/public/browser/authenticator_request_client_delegate.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test_utils.h"
#include "content/test/test_render_frame_host.h"
#include "crypto/sha2.h"
#include "device/base/features.h"
#include "device/bluetooth/bluetooth_adapter_factory.h"
#include "device/bluetooth/test/mock_bluetooth_adapter.h"
#include "device/fido/attested_credential_data.h"
#include "device/fido/authenticator_data.h"
#include "device/fido/cable/fido_tunnel_device.h"
#include "device/fido/cable/v2_authenticator.h"
#include "device/fido/cable/v2_constants.h"
#include "device/fido/cable/v2_discovery.h"
#include "device/fido/cable/v2_handshake.h"
#include "device/fido/cable/v2_test_util.h"
#include "device/fido/discoverable_credential_metadata.h"
#include "device/fido/fake_fido_discovery.h"
#include "device/fido/features.h"
#include "device/fido/fido_authenticator.h"
#include "device/fido/fido_constants.h"
#include "device/fido/fido_parsing_utils.h"
#include "device/fido/fido_test_data.h"
#include "device/fido/fido_transport_protocol.h"
#include "device/fido/fido_types.h"
#include "device/fido/filter.h"
#include "device/fido/hid/fake_hid_impl_for_testing.h"
#include "device/fido/large_blob.h"
#include "device/fido/mock_fido_device.h"
#include "device/fido/multiple_virtual_fido_device_factory.h"
#include "device/fido/pin.h"
#include "device/fido/public_key.h"
#include "device/fido/public_key_credential_descriptor.h"
#include "device/fido/test_callback_receiver.h"
#include "device/fido/virtual_ctap2_device.h"
#include "device/fido/virtual_fido_device.h"
#include "device/fido/virtual_fido_device_factory.h"
#include "mojo/public/cpp/base/big_buffer.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/functions.h"
#include "services/data_decoder/gzipper.h"
#include "services/data_decoder/public/cpp/test_support/in_process_data_decoder.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/webauthn/authenticator.mojom.h"
#include "third_party/boringssl/src/include/openssl/bytestring.h"
#include "third_party/boringssl/src/include/openssl/ec_key.h"
#include "third_party/boringssl/src/include/openssl/evp.h"
#include "third_party/boringssl/src/include/openssl/obj.h"
#include "third_party/zlib/google/compression_utils.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/resource/resource_scale_factor.h"
#include "ui/base/ui_base_paths.h"
#include "url/origin.h"
#include "url/url_util.h"
#if BUILDFLAG(IS_MAC)
#include "device/fido/mac/authenticator_config.h"
#include "device/fido/mac/credential_store.h"
#include "device/fido/mac/scoped_touch_id_test_environment.h"
#endif
#if BUILDFLAG(IS_WIN)
#include "device/fido/win/fake_webauthn_api.h"
#endif
#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/dbus/tpm_manager/tpm_manager_client.h"
#include "chromeos/dbus/u2f/u2f_client.h"
#endif
namespace content {
using ::testing::_;
using blink::mojom::AttestationConveyancePreference;
using blink::mojom::AuthenticatorSelectionCriteria;
using blink::mojom::AuthenticatorSelectionCriteriaPtr;
using blink::mojom::AuthenticatorStatus;
using blink::mojom::AuthenticatorTransport;
using blink::mojom::CableAuthentication;
using blink::mojom::CableAuthenticationPtr;
using blink::mojom::CommonCredentialInfo;
using blink::mojom::GetAssertionAuthenticatorResponse;
using blink::mojom::GetAssertionAuthenticatorResponsePtr;
using blink::mojom::MakeCredentialAuthenticatorResponse;
using blink::mojom::MakeCredentialAuthenticatorResponsePtr;
using blink::mojom::PublicKeyCredentialCreationOptions;
using blink::mojom::PublicKeyCredentialCreationOptionsPtr;
using blink::mojom::PublicKeyCredentialDescriptor;
using blink::mojom::PublicKeyCredentialDescriptorPtr;
using blink::mojom::PublicKeyCredentialParameters;
using blink::mojom::PublicKeyCredentialParametersPtr;
using blink::mojom::PublicKeyCredentialRequestOptions;
using blink::mojom::PublicKeyCredentialRequestOptionsPtr;
using blink::mojom::PublicKeyCredentialRpEntity;
using blink::mojom::PublicKeyCredentialRpEntityPtr;
using blink::mojom::PublicKeyCredentialType;
using blink::mojom::PublicKeyCredentialUserEntity;
using blink::mojom::PublicKeyCredentialUserEntityPtr;
using blink::mojom::RemoteDesktopClientOverride;
using blink::mojom::RemoteDesktopClientOverridePtr;
using blink::mojom::WebAuthnDOMExceptionDetails;
using blink::mojom::WebAuthnDOMExceptionDetailsPtr;
using cbor::Reader;
using cbor::Value;
using device::VirtualCtap2Device;
using device::VirtualFidoDevice;
namespace {
using InterestingFailureReason =
AuthenticatorRequestClientDelegate::InterestingFailureReason;
using FailureReasonCallbackReceiver =
::device::test::TestCallbackReceiver<InterestingFailureReason>;
constexpr base::TimeDelta kTestTimeout = base::Minutes(1);
// The size of credential IDs returned by GetTestCredentials().
constexpr size_t kTestCredentialIdLength = 32u;
constexpr char kTestOrigin1[] = "https://a.google.com";
constexpr char kTestOrigin2[] = "https://acme.org";
constexpr char kTestRelyingPartyId[] = "google.com";
constexpr char kExtensionScheme[] = "chrome-extension";
static constexpr char kCorpCrdOrigin[] =
"https://remotedesktop.corp.google.com";
constexpr uint8_t kTestChallengeBytes[] = {
0x68, 0x71, 0x34, 0x96, 0x82, 0x22, 0xEC, 0x17, 0x20, 0x2E, 0x42,
0x50, 0x5F, 0x8E, 0xD2, 0xB1, 0x6A, 0xE2, 0x2F, 0x16, 0xBB, 0x05,
0xB8, 0x8C, 0x25, 0xDB, 0x9E, 0x60, 0x26, 0x45, 0xF1, 0x41};
constexpr char kTestRegisterClientDataJsonString[] =
R"({"challenge":"aHE0loIi7BcgLkJQX47SsWriLxa7BbiMJdueYCZF8UE","origin":)"
R"("https://a.google.com", "type":"webauthn.create"})";
constexpr char kTestSignClientDataJsonString[] =
R"({"challenge":"aHE0loIi7BcgLkJQX47SsWriLxa7BbiMJdueYCZF8UE","origin":)"
R"("https://a.google.com", "type":"webauthn.get"})";
typedef struct {
const char* origin;
// Either a relying party ID or a U2F AppID.
const char* claimed_authority;
AuthenticatorStatus expected_status;
} OriginClaimedAuthorityPair;
constexpr OriginClaimedAuthorityPair kValidRelyingPartyTestCases[] = {
{"http://localhost", "localhost", AuthenticatorStatus::SUCCESS},
{"https://myawesomedomain", "myawesomedomain",
AuthenticatorStatus::SUCCESS},
{"https://foo.bar.google.com", "foo.bar.google.com",
AuthenticatorStatus::SUCCESS},
{"https://foo.bar.google.com", "bar.google.com",
AuthenticatorStatus::SUCCESS},
{"https://foo.bar.google.com", "google.com", AuthenticatorStatus::SUCCESS},
{"https://earth.login.awesomecompany", "login.awesomecompany",
AuthenticatorStatus::SUCCESS},
{"https://google.com:1337", "google.com", AuthenticatorStatus::SUCCESS},
// Hosts with trailing dot valid for rpIds with or without trailing dot.
// Hosts without trailing dots only matches rpIDs without trailing dot.
// Two trailing dots only matches rpIDs with two trailing dots.
{"https://google.com.", "google.com", AuthenticatorStatus::SUCCESS},
{"https://google.com.", "google.com.", AuthenticatorStatus::SUCCESS},
{"https://google.com..", "google.com..", AuthenticatorStatus::SUCCESS},
// Leading dots are ignored in canonicalized hosts.
{"https://.google.com", "google.com", AuthenticatorStatus::SUCCESS},
{"https://..google.com", "google.com", AuthenticatorStatus::SUCCESS},
{"https://.google.com", ".google.com", AuthenticatorStatus::SUCCESS},
{"https://..google.com", ".google.com", AuthenticatorStatus::SUCCESS},
{"https://accounts.google.com", ".google.com",
AuthenticatorStatus::SUCCESS},
};
constexpr OriginClaimedAuthorityPair kInvalidRelyingPartyTestCases[] = {
{"https://google.com", "com", AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"http://google.com", "google.com", AuthenticatorStatus::INVALID_DOMAIN},
{"http://myawesomedomain", "myawesomedomain",
AuthenticatorStatus::INVALID_DOMAIN},
{"https://google.com", "foo.bar.google.com",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"http://myawesomedomain", "randomdomain",
AuthenticatorStatus::INVALID_DOMAIN},
{"https://myawesomedomain", "randomdomain",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://notgoogle.com", "google.com)",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://not-google.com", "google.com)",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://evil.appspot.com", "appspot.com",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://evil.co.uk", "co.uk", AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://google.com", "google.com.",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://google.com", "google.com..",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://google.com", ".google.com",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://google.com..", "google.com",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://.com", "com.", AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://.co.uk", "co.uk.", AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://1.2.3", "1.2.3", AuthenticatorStatus::INVALID_DOMAIN},
{"https://1.2.3", "2.3", AuthenticatorStatus::INVALID_DOMAIN},
{"https://127.0.0.1", "127.0.0.1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://127.0.0.1", "27.0.0.1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://127.0.0.1", ".0.0.1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://127.0.0.1", "0.0.1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[::127.0.0.1]", "127.0.0.1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[::127.0.0.1]", "[127.0.0.1]",
AuthenticatorStatus::INVALID_DOMAIN},
{"https://[::1]", "1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[::1]", "1]", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[::1]", "::1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[::1]", "[::1]", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[1::1]", "::1", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[1::1]", "::1]", AuthenticatorStatus::INVALID_DOMAIN},
{"https://[1::1]", "[::1]", AuthenticatorStatus::INVALID_DOMAIN},
{"http://google.com:443", "google.com",
AuthenticatorStatus::INVALID_DOMAIN},
{"data:google.com", "google.com", AuthenticatorStatus::OPAQUE_DOMAIN},
{"data:text/html,google.com", "google.com",
AuthenticatorStatus::OPAQUE_DOMAIN},
{"ws://google.com", "google.com", AuthenticatorStatus::INVALID_PROTOCOL},
{"gopher://google.com", "google.com", AuthenticatorStatus::OPAQUE_DOMAIN},
{"ftp://google.com", "google.com", AuthenticatorStatus::INVALID_PROTOCOL},
{"file:///google.com", "google.com", AuthenticatorStatus::INVALID_PROTOCOL},
// Use of webauthn from a WSS origin may be technically valid, but we
// prohibit use on non-HTTPS origins. (At least for now.)
{"wss://google.com", "google.com", AuthenticatorStatus::INVALID_PROTOCOL},
{"data:,", "", AuthenticatorStatus::OPAQUE_DOMAIN},
{"https://google.com", "", AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"ws:///google.com", "", AuthenticatorStatus::INVALID_PROTOCOL},
{"wss:///google.com", "", AuthenticatorStatus::INVALID_PROTOCOL},
{"gopher://google.com", "", AuthenticatorStatus::OPAQUE_DOMAIN},
{"ftp://google.com", "", AuthenticatorStatus::INVALID_PROTOCOL},
{"file:///google.com", "", AuthenticatorStatus::INVALID_PROTOCOL},
// This case is acceptable according to spec, but both renderer
// and browser handling currently do not permit it.
{"https://login.awesomecompany", "awesomecompany",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
// These are AppID test cases, but should also be invalid relying party
// examples too.
{"https://example.com", "https://com/",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://example.com", "https://com/foo",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://example.com", "https://foo.com/",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://example.com", "http://example.com",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"http://example.com", "https://example.com",
AuthenticatorStatus::INVALID_DOMAIN},
{"https://127.0.0.1", "https://127.0.0.1",
AuthenticatorStatus::INVALID_DOMAIN},
{"https://www.notgoogle.com",
"https://www.gstatic.com/securitykey/origins.json",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://www.google.com",
"https://www.gstatic.com/securitykey/origins.json#x",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://www.google.com",
"https://www.gstatic.com/securitykey/origins.json2",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://www.google.com", "https://gstatic.com/securitykey/origins.json",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://ggoogle.com", "https://www.gstatic.com/securitykey/origi",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
{"https://com", "https://www.gstatic.com/securitykey/origins.json",
AuthenticatorStatus::BAD_RELYING_PARTY_ID},
};
using TestIsUvpaaCallback = device::test::ValueCallbackReceiver<bool>;
using TestMakeCredentialCallback =
device::test::StatusAndValuesCallbackReceiver<
AuthenticatorStatus,
MakeCredentialAuthenticatorResponsePtr,
WebAuthnDOMExceptionDetailsPtr>;
using TestGetAssertionCallback = device::test::StatusAndValuesCallbackReceiver<
AuthenticatorStatus,
GetAssertionAuthenticatorResponsePtr,
WebAuthnDOMExceptionDetailsPtr>;
using TestRequestStartedCallback = device::test::TestCallbackReceiver<>;
std::vector<uint8_t> GetTestChallengeBytes() {
return std::vector<uint8_t>(std::begin(kTestChallengeBytes),
std::end(kTestChallengeBytes));
}
device::PublicKeyCredentialRpEntity GetTestPublicKeyCredentialRPEntity() {
device::PublicKeyCredentialRpEntity entity;
entity.id = std::string(kTestRelyingPartyId);
entity.name = "TestRP@example.com";
return entity;
}
device::PublicKeyCredentialUserEntity GetTestPublicKeyCredentialUserEntity() {
device::PublicKeyCredentialUserEntity entity;
entity.display_name = "User A. Name";
std::vector<uint8_t> id(32, 0x0A);
entity.id = id;
entity.name = "username@example.com";
return entity;
}
std::vector<device::PublicKeyCredentialParams::CredentialInfo>
GetTestPublicKeyCredentialParameters(int32_t algorithm_identifier) {
std::vector<device::PublicKeyCredentialParams::CredentialInfo> parameters;
device::PublicKeyCredentialParams::CredentialInfo fake_parameter;
fake_parameter.type = device::CredentialType::kPublicKey;
fake_parameter.algorithm = algorithm_identifier;
parameters.push_back(std::move(fake_parameter));
return parameters;
}
device::AuthenticatorSelectionCriteria GetTestAuthenticatorSelectionCriteria() {
return device::AuthenticatorSelectionCriteria(
device::AuthenticatorAttachment::kAny,
device::ResidentKeyRequirement::kDiscouraged,
device::UserVerificationRequirement::kPreferred);
}
std::vector<device::PublicKeyCredentialDescriptor> GetTestCredentials(
size_t num_credentials = 1) {
std::vector<device::PublicKeyCredentialDescriptor> descriptors;
for (size_t i = 0; i < num_credentials; i++) {
DCHECK(i <= std::numeric_limits<uint8_t>::max());
std::vector<uint8_t> id(kTestCredentialIdLength, static_cast<uint8_t>(i));
base::flat_set<device::FidoTransportProtocol> transports{
device::FidoTransportProtocol::kUsbHumanInterfaceDevice,
device::FidoTransportProtocol::kBluetoothLowEnergy};
descriptors.emplace_back(device::CredentialType::kPublicKey, std::move(id),
std::move(transports));
}
return descriptors;
}
PublicKeyCredentialCreationOptionsPtr
GetTestPublicKeyCredentialCreationOptions() {
auto options = PublicKeyCredentialCreationOptions::New();
options->relying_party = GetTestPublicKeyCredentialRPEntity();
options->user = GetTestPublicKeyCredentialUserEntity();
options->public_key_parameters = GetTestPublicKeyCredentialParameters(
static_cast<int32_t>(device::CoseAlgorithmIdentifier::kEs256));
options->challenge.assign(32, 0x0A);
options->timeout = base::Minutes(1);
options->authenticator_selection = GetTestAuthenticatorSelectionCriteria();
return options;
}
PublicKeyCredentialRequestOptionsPtr
GetTestPublicKeyCredentialRequestOptions() {
auto options = PublicKeyCredentialRequestOptions::New();
options->relying_party_id = std::string(kTestRelyingPartyId);
options->challenge.assign(32, 0x0A);
options->timeout = base::Minutes(1);
options->user_verification = device::UserVerificationRequirement::kPreferred;
options->allow_credentials = GetTestCredentials();
return options;
}
std::vector<device::CableDiscoveryData> GetTestCableExtension() {
device::CableDiscoveryData cable;
cable.version = device::CableDiscoveryData::Version::V1;
cable.v1.emplace();
cable.v1->client_eid.fill(0x01);
cable.v1->authenticator_eid.fill(0x02);
cable.v1->session_pre_key.fill(0x03);
std::vector<device::CableDiscoveryData> ret;
ret.emplace_back(std::move(cable));
return ret;
}
device::AuthenticatorData AuthDataFromMakeCredentialResponse(
const MakeCredentialAuthenticatorResponsePtr& response) {
absl::optional<Value> attestation_value =
Reader::Read(response->attestation_object);
CHECK(attestation_value);
const auto& attestation = attestation_value->GetMap();
const auto auth_data_it = attestation.find(Value(device::kAuthDataKey));
CHECK(auth_data_it != attestation.end());
const std::vector<uint8_t>& auth_data = auth_data_it->second.GetBytestring();
absl::optional<device::AuthenticatorData> parsed_auth_data =
device::AuthenticatorData::DecodeAuthenticatorData(auth_data);
return std::move(parsed_auth_data.value());
}
url::Origin GetTestOrigin() {
const GURL test_relying_party_url(kTestOrigin1);
CHECK(test_relying_party_url.is_valid());
return url::Origin::Create(test_relying_party_url);
}
std::string GetTestClientDataJSON(ClientDataRequestType type) {
return BuildClientDataJson({std::move(type), GetTestOrigin(),
GetTestChallengeBytes(),
/*is_cross_origin_iframe=*/false});
}
device::LargeBlob CompressLargeBlob(base::span<const uint8_t> blob) {
data_decoder::Gzipper gzipper;
std::vector<uint8_t> compressed;
base::RunLoop run_loop;
gzipper.Deflate(
blob, base::BindLambdaForTesting(
[&](absl::optional<mojo_base::BigBuffer> result) {
compressed = device::fido_parsing_utils::Materialize(*result);
run_loop.Quit();
}));
run_loop.Run();
return device::LargeBlob(std::move(compressed), blob.size());
}
std::vector<uint8_t> UncompressLargeBlob(device::LargeBlob blob) {
data_decoder::Gzipper gzipper;
std::vector<uint8_t> uncompressed;
base::RunLoop run_loop;
gzipper.Inflate(blob.compressed_data, blob.original_size,
base::BindLambdaForTesting(
[&](absl::optional<mojo_base::BigBuffer> result) {
if (result) {
uncompressed =
device::fido_parsing_utils::Materialize(*result);
} else {
// Magic value to indicate failure.
const char kErrorMsg[] = "decompress error";
uncompressed.assign(
reinterpret_cast<const uint8_t*>(kErrorMsg),
reinterpret_cast<const uint8_t*>(
std::end(kErrorMsg)));
}
run_loop.Quit();
}));
run_loop.Run();
return uncompressed;
}
// Convert a blink::mojom::AttestationConveyancePreference to a
// device::AtttestationConveyancePreference.
device::AttestationConveyancePreference ConvertAttestationConveyancePreference(
AttestationConveyancePreference in) {
switch (in) {
case AttestationConveyancePreference::NONE:
return ::device::AttestationConveyancePreference::kNone;
case AttestationConveyancePreference::INDIRECT:
return ::device::AttestationConveyancePreference::kIndirect;
case AttestationConveyancePreference::DIRECT:
return ::device::AttestationConveyancePreference::kDirect;
case AttestationConveyancePreference::ENTERPRISE:
return ::device::AttestationConveyancePreference::
kEnterpriseIfRPListedOnAuthenticator;
}
}
} // namespace
class AuthenticatorTestBase : public RenderViewHostTestHarness {
protected:
AuthenticatorTestBase()
: RenderViewHostTestHarness(
base::test::TaskEnvironment::TimeSource::MOCK_TIME) {}
~AuthenticatorTestBase() override = default;
static void SetUpTestSuite() {
#if BUILDFLAG(IS_MAC)
// Load fido_strings, which can be required for exercising the Touch ID
// authenticator.
base::FilePath path;
ASSERT_TRUE(base::PathService::Get(base::DIR_ASSETS, &path));
base::FilePath fido_test_strings =
path.Append(FILE_PATH_LITERAL("fido_test_strings.pak"));
ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
fido_test_strings, ui::kScaleFactorNone);
#endif
}
void SetUp() override {
RenderViewHostTestHarness::SetUp();
mojo::SetDefaultProcessErrorHandler(base::BindRepeating(
&AuthenticatorTestBase::OnMojoError, base::Unretained(this)));
#if BUILDFLAG(IS_CHROMEOS)
chromeos::TpmManagerClient::InitializeFake();
chromeos::U2FClient::InitializeFake();
#endif
#if BUILDFLAG(IS_WIN)
// Disable the Windows WebAuthn API integration by default. Individual tests
// can modify this.
fake_win_webauthn_api_.set_available(false);
AuthenticatorEnvironmentImpl::GetInstance()->SetWinWebAuthnApiForTesting(
&fake_win_webauthn_api_);
#endif
ResetVirtualDevice();
}
void TearDown() override {
RenderViewHostTestHarness::TearDown();
mojo::SetDefaultProcessErrorHandler(base::NullCallback());
#if BUILDFLAG(IS_CHROMEOS)
chromeos::U2FClient::Shutdown();
chromeos::TpmManagerClient::Shutdown();
#endif
#if BUILDFLAG(IS_WIN)
AuthenticatorEnvironmentImpl::GetInstance()
->ClearWinWebAuthnApiForTesting();
#endif
}
virtual void ResetVirtualDevice() {
auto virtual_device_factory =
std::make_unique<device::test::VirtualFidoDeviceFactory>();
virtual_device_factory_ = virtual_device_factory.get();
AuthenticatorEnvironmentImpl::GetInstance()
->ReplaceDefaultDiscoveryFactoryForTesting(
std::move(virtual_device_factory));
#if BUILDFLAG(IS_WIN)
virtual_device_factory_->set_win_webauthn_api(&fake_win_webauthn_api_);
#endif
}
void SetMojoErrorHandler(
base::RepeatingCallback<void(const std::string&)> callback) {
mojo_error_handler_ = callback;
}
raw_ptr<device::test::VirtualFidoDeviceFactory> virtual_device_factory_;
#if BUILDFLAG(IS_WIN)
device::FakeWinWebAuthnApi fake_win_webauthn_api_;
#endif
private:
void OnMojoError(const std::string& error) {
if (mojo_error_handler_) {
mojo_error_handler_.Run(error);
return;
}
FAIL() << "Unhandled mojo error: " << error;
}
base::RepeatingCallback<void(const std::string&)> mojo_error_handler_;
};
class AuthenticatorImplTest : public AuthenticatorTestBase {
protected:
AuthenticatorImplTest() {
url::AddStandardScheme("chrome-extension", url::SCHEME_WITH_HOST);
}
~AuthenticatorImplTest() override = default;
void SetUp() override {
AuthenticatorTestBase::SetUp();
bluetooth_global_values_->SetLESupported(true);
device::BluetoothAdapterFactory::SetAdapterForTesting(mock_adapter_);
}
void NavigateAndCommit(const GURL& url) {
RenderViewHostTestHarness::NavigateAndCommit(url);
}
mojo::Remote<blink::mojom::Authenticator> ConnectToAuthenticator() {
mojo::Remote<blink::mojom::Authenticator> authenticator;
static_cast<RenderFrameHostImpl*>(main_rfh())
->GetWebAuthenticationService(
authenticator.BindNewPipeAndPassReceiver());
return authenticator;
}
struct MakeCredentialResult {
AuthenticatorStatus status;
MakeCredentialAuthenticatorResponsePtr response;
};
MakeCredentialResult AuthenticatorMakeCredential() {
return AuthenticatorMakeCredential(
GetTestPublicKeyCredentialCreationOptions());
}
MakeCredentialResult AuthenticatorMakeCredential(
PublicKeyCredentialCreationOptionsPtr options) {
mojo::Remote<blink::mojom::Authenticator> authenticator =
ConnectToAuthenticator();
TestMakeCredentialCallback callback_receiver;
authenticator->MakeCredential(std::move(options),
callback_receiver.callback());
callback_receiver.WaitForCallback();
auto [status, response, dom_exception] = callback_receiver.TakeResult();
return {status, std::move(response)};
}
MakeCredentialResult AuthenticatorMakeCredentialAndWaitForTimeout(
PublicKeyCredentialCreationOptionsPtr options) {
mojo::Remote<blink::mojom::Authenticator> authenticator =
ConnectToAuthenticator();
TestMakeCredentialCallback callback_receiver;
authenticator->MakeCredential(std::move(options),
callback_receiver.callback());
task_environment()->FastForwardBy(kTestTimeout);
callback_receiver.WaitForCallback();
auto [status, response, dom_exception] = callback_receiver.TakeResult();
return {status, std::move(response)};
}
struct GetAssertionResult {
AuthenticatorStatus status;
GetAssertionAuthenticatorResponsePtr response;
};
GetAssertionResult AuthenticatorGetAssertion() {
return AuthenticatorGetAssertion(
GetTestPublicKeyCredentialRequestOptions());
}
GetAssertionResult AuthenticatorGetAssertion(
PublicKeyCredentialRequestOptionsPtr options) {
mojo::Remote<blink::mojom::Authenticator> authenticator =
ConnectToAuthenticator();
TestGetAssertionCallback callback_receiver;
authenticator->GetAssertion(std::move(options),
callback_receiver.callback());
callback_receiver.WaitForCallback();
auto [status, response, dom_exception] = callback_receiver.TakeResult();
return {status, std::move(response)};
}
GetAssertionResult AuthenticatorGetAssertionAndWaitForTimeout(
PublicKeyCredentialRequestOptionsPtr options) {
mojo::Remote<blink::mojom::Authenticator> authenticator =
ConnectToAuthenticator();
TestGetAssertionCallback callback_receiver;
authenticator->GetAssertion(std::move(options),
callback_receiver.callback());
task_environment()->FastForwardBy(kTestTimeout);
auto [status, response, dom_exception] = callback_receiver.TakeResult();
return {status, std::move(response)};
}
AuthenticatorStatus TryAuthenticationWithAppId(const std::string& origin,
const std::string& appid) {
const GURL origin_url(origin);
NavigateAndCommit(origin_url);
PublicKeyCredentialRequestOptionsPtr options =
GetTestPublicKeyCredentialRequestOptions();
options->relying_party_id = origin_url.host();
options->appid = appid;
return AuthenticatorGetAssertion(std::move(options)).status;
}
AuthenticatorStatus TryRegistrationWithAppIdExclude(
const std::string& origin,
const std::string& appid_exclude) {
const GURL origin_url(origin);
NavigateAndCommit(origin_url);
PublicKeyCredentialCreationOptionsPtr options =
GetTestPublicKeyCredentialCreationOptions();
options->relying_party.id = origin_url.host();
options->appid_exclude = appid_exclude;
return AuthenticatorMakeCredential(std::move(options)).status;
}
// HasDevicePublicKeyExtensionInAuthenticatorData returns true if `response`
// contains a DPK extension in the authenticator data of the response.
bool HasDevicePublicKeyExtensionInAuthenticatorData(
const MakeCredentialAuthenticatorResponsePtr& response) {
device::AuthenticatorData parsed_auth_data =
AuthDataFromMakeCredentialResponse(response);
const auto& extensions = parsed_auth_data.extensions();
if (!extensions) {
return false;
}
const cbor::Value::MapValue& extensions_map = extensions->GetMap();
return extensions_map.find(cbor::Value(
device::kExtensionDevicePublicKey)) != extensions_map.end();
}
scoped_refptr<::testing::NiceMock<device::MockBluetoothAdapter>>
mock_adapter_ = base::MakeRefCounted<
::testing::NiceMock<device::MockBluetoothAdapter>>();
private:
std::unique_ptr<device::BluetoothAdapterFactory::GlobalValuesForTesting>
bluetooth_global_values_ =
device::BluetoothAdapterFactory::Get()->InitGlobalValuesForTesting();
data_decoder::test::InProcessDataDecoder data_decoder_service_;
url::ScopedSchemeRegistryForTests scoped_registry_;
};
TEST_F(AuthenticatorImplTest, ClientDataJSONSerialization) {
// First test that the output is in the expected form. Some verifiers may be
// depending on the exact JSON serialisation. Since the serialisation may add
// extra elements, this can only test that the expected value is a prefix of
// the returned value.
std::vector<uint8_t> challenge_bytes = {1, 2, 3};
EXPECT_EQ(
BuildClientDataJson({ClientDataRequestType::kWebAuthnCreate,
GetTestOrigin(), challenge_bytes, false})
.find(
"{\"type\":\"webauthn.create\",\"challenge\":\"AQID\",\"origin\":"
"\"https://a.google.com\",\"crossOrigin\":false"),
0u);
// Second, check that a generic JSON parser correctly parses the result.
static const struct {
const ClientDataRequestType type;
url::Origin origin;
std::vector<uint8_t> challenge;
bool is_cross_origin;
} kTestCases[] = {
{
ClientDataRequestType::kWebAuthnGet,
GetTestOrigin(),
{1, 2, 3},
false,
},
{
ClientDataRequestType::kPaymentGet,
GetTestOrigin(),
{1, 2, 3},
false,
},
};
size_t num = 0;
for (const auto& test : kTestCases) {
SCOPED_TRACE(num++);
const std::string json = BuildClientDataJson(
{test.type, test.origin, test.challenge, test.is_cross_origin});
const auto parsed = base::JSONReader::Read(json);
ASSERT_TRUE(parsed.has_value());
std::string type_key;
std::string expected_type;
switch (test.type) {
case ClientDataRequestType::kWebAuthnCreate:
type_key = "type";
expected_type = "webauthn.create";
break;
case ClientDataRequestType::kWebAuthnGet:
type_key = "type";
expected_type = "webauthn.get";
break;
case ClientDataRequestType::kPaymentGet:
type_key = "type";
expected_type = "payment.get";
break;
}
EXPECT_EQ(*parsed->FindStringKey(type_key), expected_type);
EXPECT_EQ(*parsed->FindStringKey("origin"), test.origin.Serialize());
std::string expected_challenge;
base::Base64UrlEncode(
base::StringPiece(reinterpret_cast<const char*>(test.challenge.data()),
test.challenge.size()),
base::Base64UrlEncodePolicy::OMIT_PADDING, &expected_challenge);
EXPECT_EQ(*parsed->FindStringKey("challenge"), expected_challenge);
EXPECT_EQ(*parsed->FindBoolKey("crossOrigin"), test.is_cross_origin);
}
}
// Verify behavior for various combinations of origins and RP IDs.
TEST_F(AuthenticatorImplTest, MakeCredentialOriginAndRpIds) {
std::vector<OriginClaimedAuthorityPair> tests(
&kValidRelyingPartyTestCases[0],
&kValidRelyingPartyTestCases[std::size(kValidRelyingPartyTestCases)]);
tests.insert(
tests.end(), &kInvalidRelyingPartyTestCases[0],
&kInvalidRelyingPartyTestCases[std::size(kInvalidRelyingPartyTestCases)]);
for (const auto& test_case : tests) {
SCOPED_TRACE(std::string(test_case.claimed_authority) + " " +
std::string(test_case.origin));
NavigateAndCommit(GURL(test_case.origin));
PublicKeyCredentialCreationOptionsPtr options =
GetTestPublicKeyCredentialCreationOptions();
options->relying_party.id = test_case.claimed_authority;
EXPECT_EQ(AuthenticatorMakeCredential(std::move(options)).status,
test_case.expected_status);
}
}
// Test that MakeCredential request times out with NOT_ALLOWED_ERROR if user
// verification is required for U2F devices.
TEST_F(AuthenticatorImplTest, MakeCredentialUserVerification) {
NavigateAndCommit(GURL(kTestOrigin1));
PublicKeyCredentialCreationOptionsPtr options =
GetTestPublicKeyCredentialCreationOptions();
options->authenticator_selection->user_verification_requirement =
device::UserVerificationRequirement::kRequired;
EXPECT_EQ(
AuthenticatorMakeCredentialAndWaitForTimeout(std::move(options)).status,
AuthenticatorStatus::NOT_ALLOWED_ERROR);
}
TEST_F(AuthenticatorImplTest, MakeCredentialResidentKeyUnsupported) {
NavigateAndCommit(GURL(kTestOrigin1));
PublicKeyCredentialCreationOptionsPtr options =
GetTestPublicKeyCredentialCreationOptions();
options->authenticator_selection->resident_key =
device::ResidentKeyRequirement::kRequired;
EXPECT_EQ(AuthenticatorMakeCredential(std::move(options)).status,
AuthenticatorStatus::RESIDENT_CREDENTIALS_UNSUPPORTED);
}
// Test that MakeCredential request times out with NOT_ALLOWED_ERROR if a
// platform authenticator is requested for U2F devices.
TEST_F(AuthenticatorImplTest, MakeCredentialPlatformAuthenticator) {
NavigateAndCommit(GURL(kTestOrigin1));
PublicKeyCredentialCreationOptionsPtr options =
GetTestPublicKeyCredentialCreationOptions();
options->authenticator_selection->authenticator_attachment =
device::AuthenticatorAttachment::kPlatform;
EXPECT_EQ(
AuthenticatorMakeCredentialAndWaitForTimeout(std::move(options)).status,
AuthenticatorStatus::NOT_ALLOWED_ERROR);
}
// Parses its arguments as JSON and expects that all the keys in the first are
// also in the second, and with the same value.
static void CheckJSONIsSubsetOfJSON(base::StringPiece subset_str,
base::StringPiece test_str) {
absl::optional<base::Value> subset = base::JSONReader::Read(subset_str);
ASSERT_TRUE(subset);
ASSERT_TRUE(subset->is_dict());
const base::Value::Dict& subset_dict = subset->GetDict();
absl::optional<base::Value> test = base::JSONReader::Read(test_str);
ASSERT_TRUE(test);
ASSERT_TRUE(test->is_dict());
const base::Value::Dict& test_dict = test->GetDict();
for (auto item : subset_dict) {
const base::Value* test_value = test_dict.Find(item.first);
if (test_value == nullptr) {
ADD_FAILURE() << item.first << " does not exist in the test dictionary";
continue;
}
EXPECT_EQ(item.second, *test_value);
}
}
// Test that client data serializes to JSON properly.
TEST(ClientDataSerializationTest, Register) {
CheckJSONIsSubsetOfJSON(
kTestRegisterClientDataJsonString,
GetTestClientDataJSON(ClientDataRequestType::kWebAuthnCreate));
}
TEST(ClientDataSerializationTest, Sign) {
CheckJSONIsSubsetOfJSON(
kTestSignClientDataJsonString,
GetTestClientDataJSON(ClientDataRequestType::kWebAuthnGet));
}
TEST_F(AuthenticatorImplTest, TestMakeCredentialTimeout) {
// Don't provide an authenticator tap so the request times out.
virtual_device_factory_->mutable_state()->simulate_press_callback =
base::BindLambdaForTesting(
[&](device::VirtualFidoDevice* device) { return false; });
NavigateAndCommit(GURL(kTestOrigin1));
PublicKeyCredentialCreationOptionsPtr options =
GetTestPublicKeyCredentialCreationOptions();
EXPECT_EQ(
AuthenticatorMakeCredentialAndWaitForTimeout(std::move(options)).status,
AuthenticatorStatus::NOT_ALLOWED_ERROR);
}
// Verify behavior for various combinations of origins and RP IDs.
TEST_F(AuthenticatorImplTest, GetAssertionOriginAndRpIds) {
// These instances should return security errors (for circumstances
// that would normally crash the renderer).
for (const OriginClaimedAuthorityPair& test_case :
kInvalidRelyingPartyTestCases) {
SCOPED_TRACE(std::string(test_case.claimed_authority) + " " +
std::string(test_case.origin));
NavigateAndCommit(GURL(test_case.origin));
PublicKeyCredentialRequestOptionsPtr options =
GetTestPublicKeyCredentialRequestOptions();
options->relying_party_id = test_case.claimed_authority;
EXPECT_EQ(AuthenticatorGetAssertion(std::move(options)).status,
test_case.expected_status);
}
}
constexpr OriginClaimedAuthorityPair kValidAppIdCases[] = {
{"https://example.com", "https://example.com",
AuthenticatorStatus::SUCCESS},
{"https://www.example.com", "https://example.com",
AuthenticatorStatus::SUCCESS},
{"https://example.com", "https://www.example.com",
AuthenticatorStatus::SUCCESS},
{"https://example.com", "https://foo.bar.example.com",
AuthenticatorStatus::SUCCESS},
{"https://example.com", "https://foo.bar.example.com/foo/bar",
AuthenticatorStatus::SUCCESS},
{"https://google.com", "https://www.gstatic.com/securitykey/origins.json",
AuthenticatorStatus::SUCCESS},
{"https://www.google.com",
"https://www.gstatic.com/securitykey/origins.json",
AuthenticatorStatus::SUCCESS},
{"https://www.google.com",
"https://www.gstatic.com/securitykey/a/google.com/origins.json",
AuthenticatorStatus::SUCCESS},
{"https://accounts.google.com",
"https://www.gstatic.com/securitykey/origins.json",
AuthenticatorStatus::SUCCESS},
};
// Verify behavior for various combinations of origins and RP IDs.