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Save app passcode in Keychain and migrate existing passcode from SharedDefaults

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This commit is contained in:
Danny Moesch 2019-07-10 21:57:15 +02:00 • committed by Mingshen Sun
parent cc493cb490
commit 8e8501abb0
3 changed files with 18 additions and 11 deletions
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2
passKit/Helpers/DefaultsKeys.swift
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@ -20,6 +20,7 @@ public extension DefaultsKeys {
static let pgpPublicKeyArmor = DefaultsKey<String?>("pgpPublicKeyArmor")
static let pgpPrivateKeyArmor = DefaultsKey<String?>("pgpPrivateKeyArmor")
static let gitSSHPrivateKeyArmor = DefaultsKey<String?>("gitSSHPrivateKeyArmor")
static let passcodeKey = DefaultsKey<String?>("passcodeKey")
static let gitURL = DefaultsKey<URL?>("gitURL")
static let gitAuthenticationMethod = DefaultsKey<String?>("gitAuthenticationMethod")
@ -33,7 +34,6 @@ public extension DefaultsKeys {
static let lastSyncedTime = DefaultsKey<Date?>("lastSyncedTime")
static let isTouchIDOn = DefaultsKey<Bool>("isTouchIDOn", defaultValue: false)
static let passcodeKey = DefaultsKey<String?>("passcodeKey")
static let isHideUnknownOn = DefaultsKey<Bool>("isHideUnknownOn", defaultValue: false)
static let isHideOTPOn = DefaultsKey<Bool>("isHideOTPOn", defaultValue: false)

25
passKit/Models/PasscodeLock.swift
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@ -6,15 +6,20 @@
// Copyright © 2017 Yishi Lin. All rights reserved.
//
import Foundation
import LocalAuthentication
open class PasscodeLock {
public class PasscodeLock {
public static let shared = PasscodeLock()
fileprivate let passcodeKey = "passcode.lock.passcode"
fileprivate var passcode: String? {
return SharedDefaults[.passcodeKey]
private static let identifier = Globals.bundleIdentifier + "passcode"
/// Cached passcode to avoid frequent access to Keychain
private var passcode: String? = AppKeychain.get(for: PasscodeLock.identifier)
/// Constructor used to migrate passcode from SharedDefaults to Keychain
private init() {
if let passcode = SharedDefaults[.passcodeKey] {
save(passcode: passcode)
SharedDefaults[.passcodeKey] = nil
}
}
public var hasPasscode: Bool {
@ -22,7 +27,8 @@ open class PasscodeLock {
}
public func save(passcode: String) {
SharedDefaults[.passcodeKey] = passcode
AppKeychain.add(string: passcode, for: PasscodeLock.identifier)
self.passcode = passcode
}
public func check(passcode: String) -> Bool {
@ -30,6 +36,7 @@ open class PasscodeLock {
}
public func delete() {
SharedDefaults[.passcodeKey] = nil
AppKeychain.removeContent(for: PasscodeLock.identifier)
passcode = nil
}
}