93 lines
2.7 KiB
Swift
93 lines
2.7 KiB
Swift
//
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// VPNManager.swift
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// sdlan
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//
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// Created by 安礼成 on 2024/1/17.
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//
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import Foundation
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import NetworkExtension
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import SwiftUI
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// vpn管理类
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class VPNManager {
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static let shared = VPNManager()
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private var observation: NSKeyValueObservation?
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var vpnStatus: VPNStatus = .disconnected
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enum VPNStatus {
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case connected
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case disconnected
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}
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private init() {
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}
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// 开启vpn
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func enableVpn(options: [String : NSObject]) async throws {
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NSLog("enable vpn with options: \(options)")
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let manager = try await loadAndCreateProviderManager()
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try await manager.loadFromPreferences()
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self.addVPNStatusObserver(manager)
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try manager.connection.startVPNTunnel(options: options)
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}
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// 关闭vpn
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func disableVpn() async throws {
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let managers = try await NETunnelProviderManager.loadAllFromPreferences()
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managers.first?.connection.stopVPNTunnel()
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}
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// MARK: - Private Methods
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// 监控系统VPN的状态的变化
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private func addVPNStatusObserver(_ manager: NETunnelProviderManager) {
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self.observation = manager.connection.observe(\.status, options: [.initial, .new]) {[weak self] connection, change in
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guard let status = change.newValue else {
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return
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}
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switch status {
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case .invalid, .disconnected, .disconnecting:
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self?.vpnStatus = .disconnected
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case .connecting, .connected, .reasserting:
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self?.vpnStatus = .connected
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@unknown default:
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self?.vpnStatus = .disconnected
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}
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}
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}
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// MARK: - Private Methods
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// 加载或者创建相关的配置
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private func loadAndCreateProviderManager() async throws -> NETunnelProviderManager {
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let managers = try await NETunnelProviderManager.loadAllFromPreferences()
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let manager = managers.first ?? NETunnelProviderManager()
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manager.localizedDescription = "punchnetmac"
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manager.isEnabled = true
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// 设置相关参数，在PacketTunnel中可以用
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let protocolConfiguration = NETunnelProviderProtocol()
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protocolConfiguration.serverAddress = "punchnetmac"
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protocolConfiguration.providerConfiguration = [String:AnyObject]()
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protocolConfiguration.providerBundleIdentifier = "com.jihe.punchnetmac.tun"
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manager.protocolConfiguration = protocolConfiguration
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manager.isOnDemandEnabled = false
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manager.isEnabled = true
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try await manager.saveToPreferences()
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return manager
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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}
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