passepartout-apple/PassepartoutLibrary/Sources/PassepartoutUtils/Utils/Utils+Network.swift

132 lines
4.0 KiB
Swift

//
// Utils+Network.swift
// Passepartout
//
// Created by Davide De Rosa on 2/26/22.
// Copyright (c) 2022 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import Foundation
#if os(iOS)
import NetworkExtension
#else
import CoreWLAN
#endif
extension Utils {
#if targetEnvironment(simulator)
public static func hasCellularData() -> Bool {
true
}
#else
public static func hasCellularData() -> Bool {
var addrs: UnsafeMutablePointer<ifaddrs>?
guard getifaddrs(&addrs) == 0 else {
return false
}
var isFound = false
var cursor = addrs?.pointee
while let ifa = cursor {
let name = String(cString: ifa.ifa_name)
if name == "pdp_ip0" {
isFound = true
break
}
cursor = ifa.ifa_next?.pointee
}
freeifaddrs(addrs)
return isFound
}
#endif
public static func hasEthernet() -> Bool {
#if targetEnvironment(macCatalyst) || os(macOS)
true
#else
false
#endif
}
public static func currentWifiSSID() async -> String? {
#if targetEnvironment(simulator)
["My Home Network", "Safe Wi-Fi", "Friend's House"].randomElement()
#elseif os(iOS)
await withCheckedContinuation { continuation in
NEHotspotNetwork.fetchCurrent {
guard let network = $0 else {
continuation.resume(with: .success(nil))
return
}
continuation.resume(with: .success(network.ssid))
}
}
#else
CWWiFiClient.shared().interface()?.ssid()
#endif
}
}
extension Utils {
public static func string(fromIPv4 ipv4: UInt32) -> String {
var remainder = ipv4
var groups: [UInt32] = []
var base: UInt32 = 1 << 24
while base > 0 {
groups.append(remainder / base)
remainder %= base
base >>= 8
}
return groups.map { "\($0)" }.joined(separator: ".")
}
public static func ipv4(fromString string: String) -> UInt32? {
var addr = in_addr()
let result = string.withCString {
inet_pton(AF_INET, $0, &addr)
}
guard result > 0 else {
return nil
}
return CFSwapInt32BigToHost(addr.s_addr)
}
}
//extension Utils {
// public static func checkConnectivityURL(_ url: URL, timeout: TimeInterval, completionHandler: @escaping (Bool) -> Void) {
// let session = URLSession(configuration: .ephemeral)
// let request = URLRequest(url: url, cachePolicy: .reloadIgnoringLocalAndRemoteCacheData, timeoutInterval: timeout)
//
// pp_log.info("Check connectivity via \(url)")
// session.dataTask(with: request) { (_, response, error) in
// if let response = response as? HTTPURLResponse {
// pp_log.debug("Response code: \(response.statusCode)")
// }
// if let error = error {
// pp_log.error("Connectivity failed: \(error)")
// } else {
// pp_log.info("Connectivity succeeded!")
// }
// DispatchQueue.main.async {
// completionHandler(error == nil)
// }
// }.resume()
// }
//}