LeadKit/TIAuth/Sources/TokenStorage/DefaultEncryptedTokenStorag...

69 lines
3.0 KiB
Swift

//
// Copyright (c) 2022 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import Foundation
import TIFoundationUtils
import KeychainAccess
open class DefaultEncryptedTokenStorage: SingleValueAuthKeychainStorage<StringEncryptionResult> {
open class Defaults: SingleValueAuthKeychainStorage<StringEncryptionResult>.Defaults {
public static var encryptedTokenStorageKey: StorageKey<StringEncryptionResult> {
.init(rawValue: keychainServiceIdentifier + ".encryptedToken")
}
}
public init(keychain: Keychain = Keychain(service: Defaults.keychainServiceIdentifier),
encryptedTokenStorageKey: StorageKey<StringEncryptionResult> = Defaults.encryptedTokenStorageKey,
appFirstRunCheckStorage: BoolValueDefaultsStorage = DefaultResetAuthSettingsStorage()) {
let getValueClosure: GetValueClosure = { keychain, storageKey in
do {
guard let value = try keychain.getData(storageKey.rawValue) else {
return .failure(.valueNotFound)
}
do {
return .success(try StringEncryptionResult(storableData: value))
} catch {
return .failure(.unableToDecode(underlyingError: error))
}
} catch {
return .failure(.unableToExtractData(underlyingError: error))
}
}
let storeValueClosure: StoreValueClosure = { keychain, value, storageKey in
do {
return .success(try keychain.set(value.asStorableData(), key: storageKey.rawValue))
} catch {
return .failure(.unableToWriteData(underlyingError: error))
}
}
super.init(keychain: keychain,
storageKey: encryptedTokenStorageKey,
getValueClosure: getValueClosure,
storeValueClosure: storeValueClosure,
appFirstRunCheckStorage: appFirstRunCheckStorage)
}
}