48 lines
1.8 KiB
Swift
48 lines
1.8 KiB
Swift
//
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// NEPacketTunnelProvider+Expiration.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 12/23/23.
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// Copyright (c) 2024 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout 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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// (at your option) any later version.
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//
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// Passepartout 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 Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import Foundation
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import NetworkExtension
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extension NEPacketTunnelProvider {
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func tryStartGivenExpirationDate(withTimeIntervalKey key: String) throws {
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if let protocolConfiguration = protocolConfiguration as? NETunnelProviderProtocol,
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let expirationDateInterval = protocolConfiguration.providerConfiguration?[key] as? TimeInterval {
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let expirationDate = Date(timeIntervalSinceReferenceDate: expirationDateInterval)
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// already expired?
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let delay = Int(expirationDate.timeIntervalSinceNow)
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if delay < .zero {
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throw TunnelError.expired
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}
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// schedule connection expiration
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DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(delay)) { [weak self] in
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self?.cancelTunnelWithError(TunnelError.expired)
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}
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}
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}
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}
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