Simulate finger touch with virtual fingerprint hal
Bug: 277780272
Test: atest BiometricsE2eTests
Change-Id: I9330b3eeca52321c59d0af63782d38cd3b5f901f
diff --git a/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp b/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp
index 90ec8f2..584d31f 100644
--- a/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp
+++ b/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp
@@ -31,6 +31,9 @@
namespace aidl::android::hardware::biometrics::fingerprint {
+FakeFingerprintEngine::FakeFingerprintEngine()
+ : mRandom(std::mt19937::default_seed), mWorkMode(WorkMode::kIdle) {}
+
void FakeFingerprintEngine::generateChallengeImpl(ISessionCallback* cb) {
BEGIN_OP(0);
std::uniform_int_distribution<int64_t> dist;
@@ -48,6 +51,64 @@
void FakeFingerprintEngine::enrollImpl(ISessionCallback* cb,
const keymaster::HardwareAuthToken& hat,
const std::future<void>& cancel) {
+ BEGIN_OP(0);
+ updateContext(WorkMode::kEnroll, cb, const_cast<std::future<void>&>(cancel), 0, hat);
+}
+
+void FakeFingerprintEngine::authenticateImpl(ISessionCallback* cb, int64_t operationId,
+ const std::future<void>& cancel) {
+ BEGIN_OP(0);
+ updateContext(WorkMode::kAuthenticate, cb, const_cast<std::future<void>&>(cancel), operationId,
+ keymaster::HardwareAuthToken());
+}
+
+void FakeFingerprintEngine::detectInteractionImpl(ISessionCallback* cb,
+ const std::future<void>& cancel) {
+ BEGIN_OP(0);
+
+ auto detectInteractionSupported =
+ FingerprintHalProperties::detect_interaction().value_or(false);
+ if (!detectInteractionSupported) {
+ LOG(ERROR) << "Detect interaction is not supported";
+ cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */);
+ return;
+ }
+
+ updateContext(WorkMode::kDetectInteract, cb, const_cast<std::future<void>&>(cancel), 0,
+ keymaster::HardwareAuthToken());
+}
+
+void FakeFingerprintEngine::updateContext(WorkMode mode, ISessionCallback* cb,
+ std::future<void>& cancel, int64_t operationId,
+ const keymaster::HardwareAuthToken& hat) {
+ mCancel = std::move(cancel);
+ mWorkMode = mode;
+ mCb = cb;
+ mOperationId = operationId;
+ mHat = hat;
+}
+
+void FakeFingerprintEngine::fingerDownAction() {
+ LOG(INFO) << __func__;
+ switch (mWorkMode) {
+ case WorkMode::kAuthenticate:
+ onAuthenticateFingerDown(mCb, mOperationId, mCancel);
+ break;
+ case WorkMode::kEnroll:
+ onEnrollFingerDown(mCb, mHat, mCancel);
+ break;
+ case WorkMode::kDetectInteract:
+ onDetectInteractFingerDown(mCb, mCancel);
+ break;
+ default:
+ LOG(WARNING) << "unexpected mode: on fingerDownAction(), " << (int)mWorkMode;
+ break;
+ }
+}
+
+void FakeFingerprintEngine::onEnrollFingerDown(ISessionCallback* cb,
+ const keymaster::HardwareAuthToken& hat,
+ const std::future<void>& cancel) {
BEGIN_OP(getLatency(FingerprintHalProperties::operation_enroll_latency()));
// Do proper HAT verification in the real implementation.
@@ -116,8 +177,9 @@
}
}
-void FakeFingerprintEngine::authenticateImpl(ISessionCallback* cb, int64_t /* operationId */,
- const std::future<void>& cancel) {
+void FakeFingerprintEngine::onAuthenticateFingerDown(ISessionCallback* cb,
+ int64_t /* operationId */,
+ const std::future<void>& cancel) {
BEGIN_OP(getLatency(FingerprintHalProperties::operation_authenticate_latency()));
int64_t now = Util::getSystemNanoTime();
@@ -197,21 +259,13 @@
}
}
-void FakeFingerprintEngine::detectInteractionImpl(ISessionCallback* cb,
- const std::future<void>& cancel) {
+void FakeFingerprintEngine::onDetectInteractFingerDown(ISessionCallback* cb,
+ const std::future<void>& cancel) {
BEGIN_OP(getLatency(FingerprintHalProperties::operation_detect_interaction_latency()));
int64_t duration =
FingerprintHalProperties::operation_detect_interaction_duration().value_or(10);
- auto detectInteractionSupported =
- FingerprintHalProperties::detect_interaction().value_or(false);
- if (!detectInteractionSupported) {
- LOG(ERROR) << "Detect interaction is not supported";
- cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */);
- return;
- }
-
auto acquired = FingerprintHalProperties::operation_detect_interaction_acquired().value_or("1");
auto acquiredInfos = parseIntSequence(acquired);
int N = acquiredInfos.size();
@@ -339,6 +393,7 @@
int32_t /*y*/, float /*minor*/,
float /*major*/) {
BEGIN_OP(0);
+ fingerDownAction();
return ndk::ScopedAStatus::ok();
}
@@ -369,7 +424,8 @@
if (dim.size() >= 4) {
d = dim[3];
}
- if (isValidStr) out = {0, x, y, r, d};
+ if (isValidStr)
+ out = {.sensorLocationX = x, .sensorLocationY = y, .sensorRadius = r, .display = d};
return isValidStr;
}
@@ -385,8 +441,7 @@
}
SensorLocation FakeFingerprintEngine::defaultSensorLocation() {
- return {0 /* displayId (not used) */, 0 /* sensorLocationX */, 0 /* sensorLocationY */,
- 0 /* sensorRadius */, "" /* display */};
+ return SensorLocation();
}
std::vector<int32_t> FakeFingerprintEngine::parseIntSequence(const std::string& str,