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36 lines
1.3 KiB
Swift
36 lines
1.3 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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#if os(iOS)
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import Common
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#elseif os(watchOS)
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import CommonWatch
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#endif
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enum SecretValidation {
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private static let maxLenght: Int = 255
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private static let forbiddenFirstChar: String = "_"
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static func isValid(_ secret: String) -> Bool {
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guard let first = secret.first else { return false }
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return secret.count <= maxLenght && secret.count > 0 && String(first) != forbiddenFirstChar && secret.isBase32()
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}
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}
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