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59 lines
2.4 KiB
Swift
59 lines
2.4 KiB
Swift
//
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// This file is part of the 2FAS iOS app (https://github.com/twofas/2fas-ios)
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// Copyright © 2023 Two Factor Authentication Service, Inc.
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// Contributed by Zbigniew Cisiński. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>
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//
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import Foundation
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public enum ServiceRules {
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public static let labelMaxLength = 2
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public static let serviceNameMaxLength = 50
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public static let serviceNameMinLength = 1
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public static let privateKeyMaxLength = 512
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public static let privateKeyRegex = "^[a-zA-Z2-7]*$"
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public static let privateKeyAllowedCharacters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz234567"
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public static let additionalInfoMaxLength = 50
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public static let minKeyLength: Int = 4
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public static let maxSectionNameLength: Int = 32
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public static let defaultTwoLetters = "MN"
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public static func isPrivateKeyTooShort(privateKey: String) -> Bool {
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privateKey.count < minKeyLength
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}
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public static func isPrivateKeyTooLong(privateKey: String) -> Bool {
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privateKey.count > privateKeyMaxLength
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}
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public static func isPrivateKeyValid(privateKey: String) -> Bool {
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guard privateKey.count >= minKeyLength && privateKey.count <= privateKeyMaxLength else { return false }
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let disallowedCharacterSet = CharacterSet(charactersIn: privateKeyAllowedCharacters).inverted
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let keyIsValid = privateKey.rangeOfCharacter(from: disallowedCharacterSet) == nil
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return keyIsValid
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}
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public static func isServiceNameValid(serviceName: String) -> Bool {
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!serviceName.isEmpty && serviceName.count <= serviceNameMaxLength
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}
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public static func isSectionNameValid(sectionName: String) -> Bool {
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!sectionName.isEmpty && sectionName.count <= maxSectionNameLength
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}
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}
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