56 lines
2.0 KiB
Swift
56 lines
2.0 KiB
Swift
import Foundation
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import Security
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enum KeychainStore {
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private static let service = "net.absdev.RsyncStudio"
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static func string(for account: String) -> String {
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let query: [String: Any] = [
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kSecClass as String: kSecClassGenericPassword,
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kSecAttrService as String: service,
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kSecAttrAccount as String: account,
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kSecReturnData as String: true,
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kSecMatchLimit as String: kSecMatchLimitOne
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]
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var item: CFTypeRef?
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guard SecItemCopyMatching(query as CFDictionary, &item) == errSecSuccess,
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let data = item as? Data,
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let value = String(data: data, encoding: .utf8) else { return "" }
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return value
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}
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@discardableResult
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static func set(_ value: String, for account: String) -> OSStatus {
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let base: [String: Any] = [
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kSecClass as String: kSecClassGenericPassword,
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kSecAttrService as String: service,
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kSecAttrAccount as String: account
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]
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if value.isEmpty { return delete(account) }
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let data = Data(value.utf8)
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let update: [String: Any] = [
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kSecValueData as String: data,
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kSecAttrAccessible as String: kSecAttrAccessibleWhenUnlocked
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]
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let updateStatus = SecItemUpdate(base as CFDictionary, update as CFDictionary)
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if updateStatus != errSecItemNotFound { return updateStatus }
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var add = base
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add[kSecValueData as String] = data
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add[kSecAttrAccessible as String] = kSecAttrAccessibleWhenUnlocked
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return SecItemAdd(add as CFDictionary, nil)
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}
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@discardableResult
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static func delete(_ account: String) -> OSStatus {
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let query: [String: Any] = [
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kSecClass as String: kSecClassGenericPassword,
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kSecAttrService as String: service,
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kSecAttrAccount as String: account
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]
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let status = SecItemDelete(query as CFDictionary)
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return status == errSecItemNotFound ? errSecSuccess : status
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}
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}
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