Move dependency from KeychainSwift, and SamKaychain to main app, update with protocol definition #5255
Krypto Pank
2 years ago
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3d228a4dbd
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// |
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// KeychainStorage.swift |
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// AlphaWallet |
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// |
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// Created by Vladyslav Shepitko on 02.09.2022. |
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// |
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import Foundation |
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import KeychainSwift |
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import SAMKeychain |
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import AlphaWalletFoundation |
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import LocalAuthentication |
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final class KeychainStorage: SecuredStorage, SecuredPasswordStorage { |
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private let keychain: KeychainSwift |
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init(keyPrefix: String = Constants.keychainKeyPrefix) throws { |
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let keychain = KeychainSwift(keyPrefix: Constants.keychainKeyPrefix) |
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keychain.synchronizable = false |
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self.keychain = keychain |
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if !UIApplication.shared.isProtectedDataAvailable { |
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throw EtherKeystoreError.protectionDisabled |
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} |
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} |
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var hasUserCancelledLastAccess: Bool { |
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return keychain.lastResultCode == errSecUserCanceled |
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} |
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var isDataNotFoundForLastAccess: Bool { |
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return keychain.lastResultCode == errSecItemNotFound |
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} |
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func set(_ value: String, forKey key: String, withAccess access: AccessOptions?) -> Bool { |
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return keychain.set(value, forKey: key, withAccess: access?.asKeychainOptions) |
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} |
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func set(_ value: Data, forKey key: String, withAccess access: AccessOptions?) -> Bool { |
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return keychain.set(value, forKey: key, withAccess: access?.asKeychainOptions) |
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} |
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func get(_ key: String, prompt: String?, withContext context: LAContext?) -> String? { |
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return keychain.get(key, prompt: prompt, withContext: context) |
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} |
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func getData(_ key: String, prompt: String?, withContext context: LAContext?) -> Data? { |
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return keychain.getData(key, prompt: prompt, withContext: context) |
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} |
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func delete(_ key: String) -> Bool { |
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return keychain.delete(key) |
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} |
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func password(forService service: String, account: String) -> String? { |
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return SAMKeychain.password(forService: service, account: account) |
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} |
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func setPasword(_ pasword: String, forService service: String, account: String) { |
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SAMKeychain.setPassword(pasword, forService: service, account: account) |
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} |
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func deletePasword(forService service: String, account: String) { |
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SAMKeychain.deletePassword(forService: service, account: account) |
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} |
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} |
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fileprivate extension AccessOptions { |
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var asKeychainOptions: KeychainSwiftAccessOptions { |
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switch self { |
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case .accessibleWhenUnlocked: |
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return .accessibleWhenUnlocked |
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case .accessibleWhenUnlockedThisDeviceOnly(let userPresenceRequired): |
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return .accessibleWhenUnlockedThisDeviceOnly(userPresenceRequired: userPresenceRequired) |
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case .accessibleAfterFirstUnlock: |
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return .accessibleAfterFirstUnlock |
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case .accessibleAfterFirstUnlockThisDeviceOnly: |
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return .accessibleAfterFirstUnlockThisDeviceOnly |
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case .accessibleAlways: |
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return .accessibleAlways |
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case .accessibleWhenPasscodeSetThisDeviceOnly: |
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return .accessibleWhenPasscodeSetThisDeviceOnly |
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case .accessibleAlwaysThisDeviceOnly: |
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return .accessibleAlwaysThisDeviceOnly |
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} |
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} |
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} |
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@ -1,9 +1,27 @@ |
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// Copyright SIX DAY LLC. All rights reserved. |
// Copyright SIX DAY LLC. All rights reserved. |
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import Foundation |
import Foundation |
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import LocalAuthentication |
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class LockEnterPasscodeViewModel: LockViewModel { |
class LockEnterPasscodeViewModel: LockViewModel { |
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let initialLabelText = R.string.localizable.lockEnterPasscodeViewModelInitial() |
let initialLabelText = R.string.localizable.lockEnterPasscodeViewModelInitial() |
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let tryAfterOneMinute = R.string.localizable.lockEnterPasscodeViewModelTryAfterOneMinute() |
let tryAfterOneMinute = R.string.localizable.lockEnterPasscodeViewModelTryAfterOneMinute() |
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let loginReason = R.string.localizable.lockEnterPasscodeViewModelTouchId() |
let loginReason = R.string.localizable.lockEnterPasscodeViewModelTouchId() |
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private var context: LAContext! |
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var canEvaluatePolicy: Bool { |
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return context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: nil) |
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} |
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func invalidateContext() { |
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context = LAContext() |
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} |
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func evaluatePolicy(completion: @escaping (Bool) -> Void) { |
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context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: loginReason) { success, _ in |
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DispatchQueue.main.async { |
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completion(success) |
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} |
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} |
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} |
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} |
} |
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