You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.4 KiB
64 lines
1.4 KiB
8 months ago
|
/*
|
||
|
|
* Copyright (C) 2024 The LineageOS Project
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "Fingerprint.h"
|
||
|
|
#include "LockoutTracker.h"
|
||
|
|
|
||
|
|
#include <util/Util.h>
|
||
|
|
|
||
|
|
namespace aidl {
|
||
|
|
namespace android {
|
||
|
|
namespace hardware {
|
||
|
|
namespace biometrics {
|
||
|
|
namespace fingerprint {
|
||
|
|
|
||
|
|
void LockoutTracker::reset(bool clearAttemptCounter) {
|
||
|
|
if (clearAttemptCounter)
|
||
|
|
mFailedCount = 0;
|
||
|
|
mLockoutTimedStart = 0;
|
||
|
|
mCurrentMode = LockoutMode::NONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
void LockoutTracker::addFailedAttempt() {
|
||
|
|
mFailedCount++;
|
||
|
|
|
||
|
|
if (mFailedCount >= LOCKOUT_PERMANENT_THRESHOLD)
|
||
|
|
mCurrentMode = LockoutMode::PERMANENT;
|
||
|
|
else if (mFailedCount >= LOCKOUT_TIMED_THRESHOLD) {
|
||
|
|
mCurrentMode = LockoutMode::TIMED;
|
||
|
|
mLockoutTimedStart = Util::getSystemNanoTime();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
LockoutMode LockoutTracker::getMode() {
|
||
|
|
if (mCurrentMode == LockoutMode::TIMED) {
|
||
|
|
if (Util::hasElapsed(mLockoutTimedStart, LOCKOUT_TIMED_DURATION)) {
|
||
|
|
mCurrentMode = LockoutMode::NONE;
|
||
|
|
mLockoutTimedStart = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return mCurrentMode;
|
||
|
|
}
|
||
|
|
|
||
|
|
int64_t LockoutTracker::getLockoutTimeLeft() {
|
||
|
|
int64_t res = 0;
|
||
|
|
|
||
|
|
if (mLockoutTimedStart > 0) {
|
||
|
|
auto now = Util::getSystemNanoTime();
|
||
|
|
auto elapsed = (now - mLockoutTimedStart) / 1000000LL;
|
||
|
|
res = LOCKOUT_TIMED_DURATION - elapsed;
|
||
|
|
}
|
||
|
|
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace fingerprint
|
||
|
|
} // namespace biometrics
|
||
|
|
} // namespace hardware
|
||
|
|
} // namespace android
|
||
|
|
} // namespace aidl
|