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89 lines
3.0 KiB
89 lines
3.0 KiB
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <android-base/logging.h>
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#include <random>
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namespace aidl::android::hardware::biometrics::fingerprint {
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class FakeFingerprintEngine {
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public:
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FakeFingerprintEngine() : mRandom(std::mt19937::default_seed) {}
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void generateChallengeImpl(ISessionCallback* cb) {
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LOG(INFO) << "generateChallengeImpl";
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std::uniform_int_distribution<int64_t> dist;
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auto challenge = dist(mRandom);
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cb->onChallengeGenerated(challenge);
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}
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void revokeChallengeImpl(ISessionCallback* cb, int64_t challenge) {
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LOG(INFO) << "revokeChallengeImpl";
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cb->onChallengeRevoked(challenge);
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}
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void enrollImpl(ISessionCallback* cb, const keymaster::HardwareAuthToken& hat) {
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LOG(INFO) << "enrollImpl";
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// Do proper HAT verification in the real implementation.
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if (hat.mac.empty()) {
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cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */);
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return;
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}
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cb->onEnrollmentProgress(0 /* enrollmentId */, 0 /* remaining */);
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}
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void authenticateImpl(ISessionCallback* cb, int64_t /* operationId */) {
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LOG(INFO) << "authenticateImpl";
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cb->onAuthenticationSucceeded(0 /* enrollmentId */, {} /* hat */);
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}
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void detectInteractionImpl(ISessionCallback* cb) {
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LOG(INFO) << "detectInteractionImpl";
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cb->onInteractionDetected();
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}
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void enumerateEnrollmentsImpl(ISessionCallback* cb) {
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LOG(INFO) << "enumerateEnrollmentsImpl";
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cb->onEnrollmentsEnumerated({} /* enrollmentIds */);
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}
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void removeEnrollmentsImpl(ISessionCallback* cb, const std::vector<int32_t>& enrollmentIds) {
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LOG(INFO) << "removeEnrollmentsImpl";
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cb->onEnrollmentsRemoved(enrollmentIds);
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}
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void getAuthenticatorIdImpl(ISessionCallback* cb) {
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LOG(INFO) << "getAuthenticatorIdImpl";
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cb->onAuthenticatorIdRetrieved(0 /* authenticatorId */);
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}
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void invalidateAuthenticatorIdImpl(ISessionCallback* cb) {
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LOG(INFO) << "invalidateAuthenticatorIdImpl";
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cb->onAuthenticatorIdInvalidated(0 /* newAuthenticatorId */);
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}
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void resetLockoutImpl(ISessionCallback* cb, const keymaster::HardwareAuthToken& /*hat*/) {
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LOG(INFO) << "resetLockoutImpl";
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cb->onLockoutCleared();
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}
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std::mt19937 mRandom;
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};
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} // namespace aidl::android::hardware::biometrics::fingerprint
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