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Add support for Face ID/Touch ID to app lock. (#1966)

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* Fix biometrics with low grace period and backgrounding before unlocked.

* Trigger permissions alert when enabling Face ID.
This commit is contained in:
Doug
2023-10-27 10:09:12 +01:00
committed by GitHub
parent 2eb8945824
commit 11563c6297
27 changed files with 598 additions and 92 deletions
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ElementX/Sources/Services/Keychain/KeychainController.swift
+36 -5
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@@ -38,7 +38,8 @@ class KeychainController: KeychainControllerProtocol {
private let mainKeychain: Keychain
private enum Key: String {
case pinCode
case appLockPINCode
case appLockBiometricState
}
init(service: KeychainControllerService, accessGroup: String) {
@@ -129,16 +130,16 @@ class KeychainController: KeychainControllerProtocol {
}
func containsPINCode() throws -> Bool {
try mainKeychain.contains(Key.pinCode.rawValue)
try mainKeychain.contains(Key.appLockPINCode.rawValue)
}
func setPINCode(_ pinCode: String) throws {
try mainKeychain.set(pinCode, key: Key.pinCode.rawValue)
try mainKeychain.set(pinCode, key: Key.appLockPINCode.rawValue)
}
func pinCode() -> String? {
do {
return try mainKeychain.getString(Key.pinCode.rawValue)
return try mainKeychain.getString(Key.appLockPINCode.rawValue)
} catch {
MXLog.error("Failed retrieving the PIN code.")
return nil
@@ -147,9 +148,39 @@ class KeychainController: KeychainControllerProtocol {
func removePINCode() {
do {
try mainKeychain.remove(Key.pinCode.rawValue)
try mainKeychain.remove(Key.appLockPINCode.rawValue)
} catch {
MXLog.error("Failed removing the PIN code.")
}
}
func containsPINCodeBiometricState() -> Bool {
do {
return try mainKeychain.contains(Key.appLockBiometricState.rawValue)
} catch {
MXLog.error("Failed checking for biometric state.")
return false // No need to re-throw the error, we can fall back to the PIN code.
}
}
func setPINCodeBiometricState(_ state: Data) throws {
try mainKeychain.set(state, key: Key.appLockBiometricState.rawValue)
}
func pinCodeBiometricState() -> Data? {
do {
return try mainKeychain.getData(Key.appLockBiometricState.rawValue)
} catch {
MXLog.error("Failed setting the PIN code biometric state.")
return nil
}
}
func removePINCodeBiometricState() {
do {
try mainKeychain.remove(Key.appLockBiometricState.rawValue)
} catch {
MXLog.error("Failed removing the PIN code biometric state.")
}
}
}