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Don't allow to bypass passcode by changing time

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This commit is contained in:
Ali 2019-11-02 23:00:22 +04:00
parent 9978ef6725
commit be87379a4e
1 changed files with 15 additions and 4 deletions
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19
submodules/PasscodeUI/Sources/PasscodeEntryControllerNode.swift
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@ -11,6 +11,7 @@ import AccountContext
import LocalAuth
import AppBundle
import PasscodeInputFieldNode
import MonotonicTime
private let titleFont = Font.regular(20.0)
private let subtitleFont = Font.regular(15.0)
@ -194,7 +195,14 @@ final class PasscodeEntryControllerNode: ASDisplayNode {
private func shouldWaitBeforeNextAttempt() -> Bool {
if let attempts = self.invalidAttempts {
if attempts.count >= 6 {
if Int32(CFAbsoluteTimeGetCurrent()) - attempts.timestamp < waitInterval {
var bootTimestamp: Int32 = 0
let uptime = getDeviceUptimeSeconds(&bootTimestamp)
if attempts.bootTimestamp != bootTimestamp {
return true
}
if uptime - attempts.uptime < waitInterval {
return true
} else {
return false
@ -215,10 +223,13 @@ final class PasscodeEntryControllerNode: ASDisplayNode {
text = NSAttributedString(string: self.strings.PasscodeSettings_TryAgainIn1Minute, font: subtitleFont, textColor: .white)
self.timer?.invalidate()
let timer = SwiftSignalKit.Timer(timeout: Double(attempts.timestamp + waitInterval - Int32(CFAbsoluteTimeGetCurrent())), repeat: false, completion: { [weak self] in
let timer = SwiftSignalKit.Timer(timeout: 1.0, repeat: true, completion: { [weak self] in
if let strongSelf = self {
strongSelf.timer = nil
strongSelf.updateInvalidAttempts(strongSelf.invalidAttempts, animated: true)
if !strongSelf.shouldWaitBeforeNextAttempt() {
strongSelf.updateInvalidAttempts(strongSelf.invalidAttempts, animated: true)
strongSelf.timer?.invalidate()
strongSelf.timer = nil
}
}
}, queue: Queue.mainQueue())
self.timer = timer