696 lines
24 KiB
Swift
696 lines
24 KiB
Swift
import Combine
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import Foundation
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struct VPNEvent: Decodable {
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let event: String
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var ip: String?
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var expires: String?
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var remaining_sec: Int?
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var attempt: Int?
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var delay: Int?
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var reason: String?
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var message: String?
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var source: String?
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var tier: Int?
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var modules: ModuleStatus?
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}
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struct VPNStatusResponse: Decodable {
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var modules: ModuleStatus?
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}
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struct ModuleStatus: Decodable {
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struct Core: Decodable {
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var openconnect: Bool
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var openconnect_lite: Bool
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var config: Bool
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var openconnect_lite_config: Bool
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}
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struct ToggleModule: Decodable {
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var enabled: Bool
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var installed: Bool
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}
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struct Credentials: Decodable {
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var source: String
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var keychain_ready: Bool
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}
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struct Keychain: Decodable {
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var password: Bool
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var totp_seed: Bool
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}
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struct DnsCleanup: Decodable {
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var installed: Bool
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}
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struct Patches: Decodable {
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var active: Bool
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var backup: Bool
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}
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struct AppModule: Decodable {
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var installed: Bool
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var autostart: Bool
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}
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var core: Core
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var credentials: Credentials?
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var bitwarden: ToggleModule
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var touchid: ToggleModule
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var keychain: Keychain
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var dns_cleanup: DnsCleanup
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var patches: Patches
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var app: AppModule?
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var hasWarnings: Bool {
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let coreReady = core.openconnect && core.openconnect_lite && core.openconnect_lite_config
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let bitwardenReady = !bitwarden.enabled || bitwarden.installed
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let touchReady = !touchid.enabled || touchid.installed
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let keychainReady = keychain.password && keychain.totp_seed
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let appReady = app?.installed ?? true
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return !coreReady
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|| !bitwardenReady
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|| !touchReady
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|| !keychainReady
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|| !dns_cleanup.installed
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|| !patches.active
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|| !appReady
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}
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var systemImage: String {
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hasWarnings ? "exclamationmark.triangle" : "checkmark.circle"
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}
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var summary: String {
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let coreState = core.openconnect && core.openconnect_lite && core.openconnect_lite_config ? "✅ core" : "⚠️ core"
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let credentialState = credentials.map { "🔐 \($0.source)" } ?? "🔐 legacy"
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let bwState = bitwarden.enabled ? (bitwarden.installed ? "✅ bw" : "⚠️ bw") : "⏭️ bw"
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let touchState = touchid.enabled ? (touchid.installed ? "✅ touch" : "⚠️ touch") : "⏭️ touch"
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let dnsState = dns_cleanup.installed ? "✅ dns" : "⚠️ dns"
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let appState = app.map { $0.installed ? "✅ app" : "⚠️ app" } ?? "❔ app"
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let autostartState = app.map { $0.autostart ? "✅ autostart" : "⏭️ autostart" } ?? "❔ autostart"
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let patchState = patches.active ? "✅ patches" : "⚠️ patches"
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let keychainState = "\(keychain.password && keychain.totp_seed ? "✅" : "⚠️") kc \(keychain.password ? "pass" : "-")/\(keychain.totp_seed ? "totp" : "-")"
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return [coreState, credentialState, bwState, touchState, dnsState, appState, autostartState, patchState, keychainState].joined(separator: " | ")
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}
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}
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enum VPNState: Equatable {
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case disconnected
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case unlocking(tier: String)
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case connecting
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case connected(ip: String, expiresAt: Date?, remainingSec: Int)
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case reconnecting(attempt: Int)
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case error(message: String)
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var label: String {
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switch self {
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case .disconnected: return "disconnected"
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case .unlocking(let t): return "unlocking(\(t))"
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case .connecting: return "connecting"
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case .connected(let ip, _, let r): return "connected(ip=\(ip), remaining=\(r)s)"
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case .reconnecting(let a): return "reconnecting(#\(a))"
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case .error(let m): return "error(\(m))"
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}
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}
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}
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enum VPNLaunchMode: String {
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case auto
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case manual
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var cliArgument: String {
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switch self {
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case .auto: return "--auto"
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case .manual: return "--manual"
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}
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}
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}
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@MainActor
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class VPNManager: ObservableObject {
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@Published var state: VPNState = .disconnected
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@Published var lastError: String?
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@Published var tunnelHealthy: Bool = true
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@Published var moduleSummary: String = "modules loading..."
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@Published var moduleStatusSystemImage: String = "hourglass"
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private var process: Process?
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private var outputPipe: Pipe?
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private var stderrPipe: Pipe?
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private var timer: Timer?
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private var healthTimer: Timer?
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private var healthCheckTarget: String?
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private var sessionExpiresAt: Date?
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private var currentIP: String = ""
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private var userInitiatedDisconnect: Bool = false
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private var autoReconnectAttempts: Int = 0
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private var reconnectTimer: Timer?
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private var consecutiveHealthFailures: Int = 0
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private var currentLaunchMode: VPNLaunchMode = .auto
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private let healthCheckInterval: TimeInterval = 10
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private let maxAutoReconnectAttempts: Int = 3
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private let maxHealthFailuresBeforeKill: Int = 3
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private let autoReconnectDelay: TimeInterval = 5
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private let scriptPath: String = {
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let home = FileManager.default.homeDirectoryForCurrentUser.path
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return "\(home)/bin/vpn-lemanapro.sh"
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}()
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init() {
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refreshStatus()
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}
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var isRunning: Bool {
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process?.isRunning ?? false
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}
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var remainingTime: String {
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guard let expires = sessionExpiresAt else { return "" }
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let remaining = Int(expires.timeIntervalSinceNow)
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guard remaining > 0 else { return "expired" }
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let h = remaining / 3600
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let m = (remaining % 3600) / 60
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return String(format: "%d:%02d", h, m)
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}
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var statusBarTitle: String {
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switch state {
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case .connected:
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return remainingTime
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default:
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return ""
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}
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}
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func refreshStatus() {
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let proc = Process()
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proc.executableURL = URL(fileURLWithPath: "/bin/bash")
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proc.arguments = ["-l", scriptPath, "--status", "--json"]
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proc.environment = processEnvironment()
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let pipe = Pipe()
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proc.standardOutput = pipe
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proc.standardError = FileHandle.nullDevice
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proc.terminationHandler = { [weak self] _ in
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let data = pipe.fileHandleForReading.readDataToEndOfFile()
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guard let self = self else { return }
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let text = String(data: data, encoding: .utf8) ?? ""
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let lastLine = text.split(separator: "\n").map(String.init).last ?? ""
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Task { @MainActor in
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guard !lastLine.isEmpty, let jsonData = lastLine.data(using: .utf8) else {
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self.moduleSummary = "modules unavailable"
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self.moduleStatusSystemImage = "questionmark.circle"
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self.log("[modules] status refresh returned no JSON output")
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return
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}
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let response: VPNStatusResponse
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do {
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response = try JSONDecoder().decode(VPNStatusResponse.self, from: jsonData)
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} catch {
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self.moduleSummary = "modules unavailable"
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self.moduleStatusSystemImage = "exclamationmark.triangle"
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let compact = text.replacingOccurrences(of: "\n", with: "\\n")
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let preview = compact.count > 500 ? String(compact.prefix(500)) + "..." : compact
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self.log("[modules] status decode failed: \(error.localizedDescription); output=\(preview)")
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return
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}
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guard let modules = response.modules else {
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self.moduleSummary = "modules unavailable: update CLI"
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self.moduleStatusSystemImage = "exclamationmark.triangle"
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self.log("[modules] status has no modules field; reinstall CLI with install.sh")
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return
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}
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self.moduleSummary = modules.summary
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self.moduleStatusSystemImage = modules.systemImage
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}
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}
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do {
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try proc.run()
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} catch {
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log("[modules] status refresh failed: \(error.localizedDescription)")
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}
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}
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func connect(mode: VPNLaunchMode = .auto) {
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guard !isRunning else {
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log("connect() called but process already running")
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return
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}
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currentLaunchMode = mode
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log("-- VPN connect requested (\(mode.rawValue)) --")
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refreshStatus()
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state = .connecting
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lastError = nil
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sessionExpiresAt = nil
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currentIP = ""
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userInitiatedDisconnect = false
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reconnectTimer?.invalidate()
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reconnectTimer = nil
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let proc = Process()
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proc.executableURL = URL(fileURLWithPath: "/bin/bash")
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proc.arguments = ["-l", scriptPath, "--json", mode.cliArgument]
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proc.environment = processEnvironment()
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let stdoutPipe = Pipe()
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proc.standardOutput = stdoutPipe
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let errPipe = Pipe()
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proc.standardError = errPipe
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self.process = proc
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self.outputPipe = stdoutPipe
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self.stderrPipe = errPipe
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stdoutPipe.fileHandleForReading.readabilityHandler = { [weak self] handle in
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let data = handle.availableData
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guard !data.isEmpty else {
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handle.readabilityHandler = nil
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return
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}
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if let text = String(data: data, encoding: .utf8) {
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let lines = text.split(separator: "\n").map(String.init)
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Task { @MainActor in
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for jsonLine in lines {
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self?.parseEvent(jsonLine)
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}
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}
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}
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}
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errPipe.fileHandleForReading.readabilityHandler = { [weak self] handle in
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let data = handle.availableData
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guard !data.isEmpty else {
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handle.readabilityHandler = nil
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return
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}
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if let text = String(data: data, encoding: .utf8) {
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let lines = text.split(separator: "\n", omittingEmptySubsequences: true).map(String.init)
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Task { @MainActor in
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for line in lines {
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self?.log("[script] \(line)")
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}
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}
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}
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}
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proc.terminationHandler = { [weak self] proc in
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Task { @MainActor in
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self?.handleTermination(exitCode: proc.terminationStatus)
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}
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}
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do {
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try proc.run()
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log("Process started (pid=\(proc.processIdentifier))")
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} catch {
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log("Process launch failed: \(error.localizedDescription)")
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state = .error(message: error.localizedDescription)
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}
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}
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func disconnect() {
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guard let proc = process, proc.isRunning else {
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log("disconnect() called but no running process")
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reconnectTimer?.invalidate()
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reconnectTimer = nil
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if case .reconnecting = state { state = .disconnected }
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return
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}
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userInitiatedDisconnect = true
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log("-- VPN disconnect requested (SIGINT -> pid \(proc.processIdentifier)) --")
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proc.interrupt()
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}
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func quit() {
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log("-- App quit --")
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userInitiatedDisconnect = true
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reconnectTimer?.invalidate()
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reconnectTimer = nil
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disconnect()
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stopTimer()
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stopHealthCheck()
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}
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private func parseEvent(_ jsonString: String) {
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guard let data = jsonString.data(using: .utf8),
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let event = try? JSONDecoder().decode(VPNEvent.self, from: data) else {
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log("[stdout] (non-JSON) \(jsonString)")
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return
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}
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if let modules = event.modules {
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moduleSummary = modules.summary
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moduleStatusSystemImage = modules.systemImage
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}
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log("[event] \(event.event)" + {
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var extras: [String] = []
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if let ip = event.ip { extras.append("ip=\(ip)") }
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if let exp = event.expires { extras.append("expires=\(exp)") }
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if let r = event.remaining_sec { extras.append("remaining=\(r)s") }
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if let a = event.attempt { extras.append("attempt=\(a)") }
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if let m = event.message { extras.append("msg=\(m)") }
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if let r = event.reason { extras.append("reason=\(r)") }
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return extras.isEmpty ? "" : " (\(extras.joined(separator: ", ")))"
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}())
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Task { @MainActor in
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let prevState = state.label
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switch event.event {
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case "modules":
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return
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case "credential_source":
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if let message = event.message {
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log(" \(message)")
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} else if let source = event.source {
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log(" Credential source: \(source)")
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}
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return
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case "bw_cached":
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state = .unlocking(tier: "cached")
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case "bw_touchid":
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state = .unlocking(tier: "Touch ID")
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case "bw_manual":
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state = .unlocking(tier: "manual")
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case "bw_synced":
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log(" Credentials synced to Keychain")
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return
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case "keychain_ready":
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log(" LDAP credentials are ready in macOS Keychain")
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return
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case "keychain_required":
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log(" LDAP credentials are missing or incomplete")
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return
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case "log":
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if let message = event.message { log(" \(message)") }
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return
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case "waiting":
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if let message = event.message { log(" \(message)") }
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return
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case "connecting":
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state = .connecting
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case "connected":
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currentIP = event.ip ?? ""
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if let isoStr = event.expires {
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sessionExpiresAt = ISO8601DateFormatter().date(from: isoStr)
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}
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let remaining = event.remaining_sec ?? Int(sessionExpiresAt?.timeIntervalSinceNow ?? 0)
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state = .connected(ip: currentIP, expiresAt: sessionExpiresAt, remainingSec: remaining)
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autoReconnectAttempts = 0
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startTimer()
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detectVPNDNS()
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case "session_info":
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currentIP = event.ip ?? currentIP
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if let isoStr = event.expires {
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sessionExpiresAt = ISO8601DateFormatter().date(from: isoStr)
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}
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let remaining = event.remaining_sec ?? Int(sessionExpiresAt?.timeIntervalSinceNow ?? 0)
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state = .connected(ip: currentIP, expiresAt: sessionExpiresAt, remainingSec: remaining)
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case "disconnected":
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state = .disconnected
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stopTimer()
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stopHealthCheck()
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case "reconnecting":
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state = .reconnecting(attempt: event.attempt ?? 1)
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case "dns_cleanup":
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log(" DNS cleanup in progress")
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return
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case "error":
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lastError = event.message
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state = .error(message: event.message ?? "Unknown error")
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default:
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log(" Unknown event type, ignoring")
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return
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}
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if prevState != state.label {
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log("[state] \(prevState) -> \(state.label)")
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}
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}
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}
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private func handleTermination(exitCode: Int32) {
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log("-- Process terminated (exit=\(exitCode), userInitiated=\(userInitiatedDisconnect)) --")
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stopTimer()
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stopHealthCheck()
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process = nil
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outputPipe = nil
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stderrPipe = nil
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refreshStatus()
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let prevState = state.label
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if userInitiatedDisconnect {
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state = .disconnected
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userInitiatedDisconnect = false
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autoReconnectAttempts = 0
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} else if currentLaunchMode == .manual {
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log("Manual connection ended; auto-reconnect is disabled for manual mode")
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state = .disconnected
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autoReconnectAttempts = 0
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} else if [0, 2, 130, 143].contains(exitCode) {
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scheduleAutoReconnect(reason: "session ended (exit \(exitCode))")
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} else {
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scheduleAutoReconnect(reason: "process crashed (exit \(exitCode))")
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}
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if prevState != state.label {
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log("[state] \(prevState) -> \(state.label)")
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}
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}
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private func scheduleAutoReconnect(reason: String) {
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autoReconnectAttempts += 1
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if autoReconnectAttempts > maxAutoReconnectAttempts {
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log("Auto-reconnect limit reached (\(maxAutoReconnectAttempts) attempts). Giving up.")
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state = .error(message: "Не удалось переподключиться (\(autoReconnectAttempts - 1) попыток)")
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autoReconnectAttempts = 0
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return
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}
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log("Auto-reconnect #\(autoReconnectAttempts)/\(maxAutoReconnectAttempts) in \(Int(autoReconnectDelay))s (reason: \(reason))")
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state = .reconnecting(attempt: autoReconnectAttempts)
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reconnectTimer?.invalidate()
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reconnectTimer = Timer.scheduledTimer(withTimeInterval: autoReconnectDelay, repeats: false) { [weak self] _ in
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Task { @MainActor in
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guard let self = self else { return }
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self.reconnectTimer = nil
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guard case .reconnecting = self.state else {
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self.log("Auto-reconnect cancelled (state changed)")
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return
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}
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self.connect(mode: self.currentLaunchMode)
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}
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}
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}
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private func startTimer() {
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stopTimer()
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timer = Timer.scheduledTimer(withTimeInterval: 60, repeats: true) { [weak self] _ in
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Task { @MainActor in
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guard let self = self else { return }
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if case .connected = self.state {
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let remaining = Int(self.sessionExpiresAt?.timeIntervalSinceNow ?? 0)
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self.state = .connected(
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ip: self.currentIP,
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expiresAt: self.sessionExpiresAt,
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remainingSec: remaining
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)
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}
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}
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}
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}
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private func stopTimer() {
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timer?.invalidate()
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timer = nil
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}
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private func detectVPNDNS() {
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log("[health] Detecting VPN DNS via scutil --dns...")
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let proc = Process()
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proc.executableURL = URL(fileURLWithPath: "/usr/sbin/scutil")
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proc.arguments = ["--dns"]
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let pipe = Pipe()
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proc.standardOutput = pipe
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proc.standardError = FileHandle.nullDevice
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proc.terminationHandler = { [weak self] _ in
|
||
let data = pipe.fileHandleForReading.readDataToEndOfFile()
|
||
guard let output = String(data: data, encoding: .utf8) else { return }
|
||
|
||
var dnsServer: String?
|
||
let resolvers = output.components(separatedBy: "resolver #")
|
||
for resolver in resolvers {
|
||
guard resolver.contains("Supplemental") else { continue }
|
||
for line in resolver.components(separatedBy: "\n") {
|
||
let trimmed = line.trimmingCharacters(in: .whitespaces)
|
||
if trimmed.hasPrefix("nameserver[0]"),
|
||
let ip = trimmed.components(separatedBy: " : ").last?
|
||
.trimmingCharacters(in: .whitespaces),
|
||
ip.hasPrefix("10.") {
|
||
dnsServer = ip
|
||
break
|
||
}
|
||
}
|
||
if dnsServer != nil { break }
|
||
}
|
||
|
||
Task { @MainActor in
|
||
guard let self = self else { return }
|
||
self.healthCheckTarget = dnsServer
|
||
if let dns = dnsServer {
|
||
self.log("[health] VPN DNS discovered: \(dns)")
|
||
self.startHealthCheck()
|
||
} else {
|
||
self.log("[health] No VPN DNS found (no Supplemental 10.x resolver)")
|
||
}
|
||
}
|
||
}
|
||
|
||
do {
|
||
try proc.run()
|
||
} catch {
|
||
log("[health] scutil failed: \(error.localizedDescription)")
|
||
}
|
||
}
|
||
|
||
private func startHealthCheck() {
|
||
healthTimer?.invalidate()
|
||
healthTimer = nil
|
||
tunnelHealthy = true
|
||
consecutiveHealthFailures = 0
|
||
guard let target = healthCheckTarget else { return }
|
||
log("[health] Started: ping \(target) every \(Int(healthCheckInterval))s")
|
||
healthTimer = Timer.scheduledTimer(withTimeInterval: healthCheckInterval, repeats: true) { [weak self] _ in
|
||
Task { @MainActor in
|
||
self?.checkTunnelHealth()
|
||
}
|
||
}
|
||
}
|
||
|
||
private func stopHealthCheck() {
|
||
if healthTimer != nil {
|
||
log("[health] Stopped")
|
||
}
|
||
healthTimer?.invalidate()
|
||
healthTimer = nil
|
||
healthCheckTarget = nil
|
||
tunnelHealthy = true
|
||
consecutiveHealthFailures = 0
|
||
}
|
||
|
||
private func checkTunnelHealth() {
|
||
guard case .connected = state, let target = healthCheckTarget else { return }
|
||
|
||
let proc = Process()
|
||
proc.executableURL = URL(fileURLWithPath: "/sbin/ping")
|
||
proc.arguments = ["-c", "1", "-W", "2000", target]
|
||
proc.standardOutput = FileHandle.nullDevice
|
||
proc.standardError = FileHandle.nullDevice
|
||
|
||
let wasHealthy = tunnelHealthy
|
||
proc.terminationHandler = { [weak self] p in
|
||
Task { @MainActor in
|
||
guard let self = self, case .connected = self.state else { return }
|
||
let nowHealthy = p.terminationStatus == 0
|
||
|
||
if nowHealthy {
|
||
self.consecutiveHealthFailures = 0
|
||
if !wasHealthy {
|
||
self.log("[health] Recovered - ping \(target)")
|
||
}
|
||
} else {
|
||
self.consecutiveHealthFailures += 1
|
||
if wasHealthy {
|
||
self.log("[health] Unreachable - ping \(target) (fail #\(self.consecutiveHealthFailures))")
|
||
} else {
|
||
self.log("[health] Still unreachable (fail #\(self.consecutiveHealthFailures)/\(self.maxHealthFailuresBeforeKill))")
|
||
}
|
||
|
||
if self.consecutiveHealthFailures >= self.maxHealthFailuresBeforeKill {
|
||
self.log("[health] Tunnel dead after \(self.consecutiveHealthFailures) failures - killing process for reconnect")
|
||
self.stopHealthCheck()
|
||
if let proc = self.process, proc.isRunning {
|
||
proc.terminate()
|
||
}
|
||
return
|
||
}
|
||
}
|
||
self.tunnelHealthy = nowHealthy
|
||
}
|
||
}
|
||
|
||
do {
|
||
try proc.run()
|
||
} catch {
|
||
consecutiveHealthFailures += 1
|
||
if tunnelHealthy {
|
||
log("[health] ping failed to launch: \(error.localizedDescription)")
|
||
}
|
||
tunnelHealthy = false
|
||
}
|
||
}
|
||
|
||
private func processEnvironment() -> [String: String] {
|
||
var env = ProcessInfo.processInfo.environment
|
||
let home = FileManager.default.homeDirectoryForCurrentUser.path
|
||
let extraPaths = [
|
||
"\(home)/bin",
|
||
"\(home)/.local/bin",
|
||
"/opt/homebrew/bin",
|
||
"/opt/homebrew/sbin",
|
||
"/usr/local/bin",
|
||
"/usr/local/sbin"
|
||
]
|
||
let existingPath = env["PATH"] ?? "/usr/bin:/bin:/usr/sbin:/sbin"
|
||
env["PATH"] = (extraPaths + [existingPath]).joined(separator: ":")
|
||
env["HOME"] = home
|
||
return env
|
||
}
|
||
|
||
private static let logURL: URL = {
|
||
FileManager.default.homeDirectoryForCurrentUser
|
||
.appendingPathComponent("Library/Logs/LemanaVPN.log")
|
||
}()
|
||
|
||
private static let tsFormatter: DateFormatter = {
|
||
let f = DateFormatter()
|
||
f.dateFormat = "yyyy-MM-dd HH:mm:ss"
|
||
f.locale = Locale(identifier: "en_US_POSIX")
|
||
return f
|
||
}()
|
||
|
||
func log(_ message: String) {
|
||
let ts = Self.tsFormatter.string(from: Date())
|
||
let line = "[\(ts)] \(message)\n"
|
||
|
||
let path = Self.logURL.path
|
||
if !FileManager.default.fileExists(atPath: path) {
|
||
FileManager.default.createFile(atPath: path, contents: nil)
|
||
}
|
||
if let handle = FileHandle(forWritingAtPath: path) {
|
||
handle.seekToEndOfFile()
|
||
handle.write(line.data(using: .utf8) ?? Data())
|
||
handle.closeFile()
|
||
}
|
||
}
|
||
}
|