Created
March 28, 2019 18:05
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ios swift keyChainMabager for GenericPassword
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| class KeyChainManager { | |
| static func saveGenericPassword(service:String, account:String, password:String) -> Void { | |
| let account = userNameTextField.text | |
| let passwordUtf8 = password.data(using: String.Encoding.utf8)! | |
| let addquery: [String: Any] = [kSecClass as String: kSecClassGenericPassword, | |
| kSecAttrAccount as String: account!, | |
| kSecAttrService as String: service , | |
| kSecValueData as String: passwordUtf8!] | |
| let status = SecItemAdd(addquery as CFDictionary, nil) | |
| guard status == errSecSuccess else { | |
| os_log("%{public}@", type: .debug, "Error saving to keychain \(status)") | |
| return | |
| } | |
| os_log("%{public}@", type: .debug, "success saving to keychain \(status)") | |
| } | |
| static func retrieveGenericPassword(service:String, account:String, password:String) -> String { | |
| let user = account | |
| let getquery: [String: Any] = [kSecClass as String: kSecClassGenericPassword, | |
| kSecAttrAccount as String: user!, | |
| kSecAttrService as String: service, | |
| kSecMatchLimit as String: kSecMatchLimitOne, | |
| kSecReturnAttributes as String: true, | |
| kSecReturnData as String: true] | |
| var item: CFTypeRef? | |
| let status = SecItemCopyMatching(getquery as CFDictionary, &item) | |
| guard status != errSecItemNotFound else { | |
| os_log("%{public}@", type: .debug, "Error: \(KeychainError.noPassword)") | |
| return | |
| } | |
| guard status == errSecSuccess else { | |
| os_log("%{public}@", type: .debug, "unhandledError: \(KeychainError.unhandledError(status: status))") | |
| return | |
| } | |
| guard let existingItem = item as? [String : Any], | |
| let passwordData = existingItem[kSecValueData as String] as? Data, | |
| let password = String(data: passwordData, encoding: String.Encoding.utf8), | |
| let accountRetrieved = existingItem[kSecAttrAccount as String] as? String | |
| else { | |
| os_log("%{public}@", type: .debug, "unexpectedPasswordData: \(KeychainError.unexpectedPasswordData)") | |
| return | |
| } | |
| return password | |
| } | |
| } |
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