Matt Rubin
44 lines
2.0 KiB
Swift
44 lines
2.0 KiB
Swift
//
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// PersistentToken.swift
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// OneTimePassword
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//
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// Copyright (c) 2014-2018 Matt Rubin and the OneTimePassword authors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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/// A `PersistentToken` represents a `Token` stored in the `Keychain`. The keychain assigns each
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/// saved `token` a unique `identifier` which can be used to recover the token from the keychain at
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/// a later time.
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public struct PersistentToken: Equatable, Hashable {
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/// A `Token` stored in the keychain.
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public let token: Token
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/// The keychain's persistent identifier for the saved token.
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public let identifier: Data
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/// Hashes the persistent token's identifier into the given hasher, providing `Hashable` conformance.
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public func hash(into hasher: inout Hasher) {
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// Since we expect every `PersistentToken`s identifier to be unique, the identifier's hash
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// value makes a simple and adequate hash value for the struct as a whole.
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hasher.combine(identifier)
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}
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}
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