Feature: Add iOS VPN profile support

ios/Runner/AppDelegate.swift

@@ -1,50 +1,75 @@
 import Flutter
 import UIKit
-///VPN
-///import Foundation
 import NetworkExtension
 
-class VpnConfigurator {
-    static func setupTunnel() {
-        let manager = NEVPNManager.shared()
-        manager.loadFromPreferences { error in
-            if let error = error {
-                print("Failed to load VPN preferences: \(error)")
-                return
-            }
+@UIApplicationMain
+@objc class AppDelegate: FlutterAppDelegate {
+    override func application(
+        _ application: UIApplication,
+        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+    ) -> Bool {
+        GeneratedPluginRegistrant.register(with: self)
 
-            let proto = NETunnelProviderProtocol()
-            proto.providerBundleIdentifier = "com.vpnclient.VPNclientTunnel"
-            proto.serverAddress = "VPNclient"
+        let controller = window?.rootViewController as! FlutterViewController
+        let vpnChannel = FlutterMethodChannel(
+            name: "com.vpnclient/vpn_control",
+            binaryMessenger: controller.binaryMessenger
+        )
 
-            manager.protocolConfiguration = proto
-            manager.localizedDescription = "VPNclient"
-            manager.isEnabled = true
+        vpnChannel.setMethodCallHandler { [weak self] (call: FlutterMethodCall, result: @escaping FlutterResult) in
+            guard let self = self else { return }
+            switch call.method {
+            case "setupVPN":
+                guard let args = call.arguments as? [String: String],
+                      let tunAddr = args["tunAddr"],
+                      let tunMask = args["tunMask"],
+                      let tunDns = args["tunDns"],
+                      let socks5Proxy = args["socks5Proxy"] else {
+                    result(FlutterError(code: "INVALID_ARGS", message: "Invalid arguments", details: nil))
+                    return
+                }
+                print("AppDelegate: Setting up VPN with tunAddr=\(tunAddr), socks5Proxy=\(socks5Proxy)")
+                let vpnManager = VPNManager.sharedInstance ?? VPNManager()
+                vpnManager.setupVPNConfiguration(tunAddr: tunAddr, tunMask: tunMask, tunDns: tunDns, socks5Proxy: socks5Proxy) { error in
+                    if let error = error {
+                        print("AppDelegate: Setup VPN failed: \(error.localizedDescription)")
+                        result(FlutterError(code: "SETUP_FAILED", message: error.localizedDescription, details: nil))
+                    } else {
+                        print("AppDelegate: Setup VPN succeeded")
+                        result(nil)
+                    }
+                }
 
-            manager.saveToPreferences { error in
-                if let error = error {
-                    print("Failed to save VPN configuration: \(error)")
-                } else {
-                    print("VPN configuration saved successfully.")
+            case "startVPN":
+                let vpnManager = VPNManager.sharedInstance ?? VPNManager()
+                vpnManager.startVPN { error in
+                    if let error = error {
+                        print("AppDelegate: Start VPN failed: \(error.localizedDescription)")
+                        result(FlutterError(code: "START_FAILED", message: error.localizedDescription, details: nil))
+                    } else {
+                        print("AppDelegate: Start VPN succeeded")
+                        result(nil)
+                    }
                 }
-            }
-        }
-    }
-}
-///VPN
 
+            case "stopVPN":
+                let vpnManager = VPNManager.sharedInstance ?? VPNManager()
+                vpnManager.stopVPN {
+                    print("AppDelegate: Stop VPN succeeded")
+                    result(nil)
+                }
 
+            case "getVPNStatus":
+                let vpnManager = VPNManager.sharedInstance ?? VPNManager()
+                let status = vpnManager.vpnStatus.description
+                print("AppDelegate: VPN status: \(status)")
+                result(status)
 
-@main
-@objc class AppDelegate: FlutterAppDelegate {
-  override func application(
-    _ application: UIApplication,
-    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
-  ) -> Bool {
-    GeneratedPluginRegistrant.register(with: self)
-     ///vpn
-      VpnConfigurator.setupTunnel()
-      ///vpn
-    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
-  }
-}
+            default:
+                result(FlutterMethodNotImplemented)
+            }
+        }
+
+        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+    }
+}

ios/Runner/Base.lproj/Main.storyboard

@@ -1,8 +1,10 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23504" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23506"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
         <!--Flutter View Controller-->
@@ -14,13 +16,14 @@
                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     </view>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
             </objects>
+            <point key="canvasLocation" x="-16" y="-40"/>
         </scene>
     </scenes>
 </document>

ios/Runner/Info.plist

@@ -33,6 +33,11 @@
 	</dict>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>fetch</string>
+		<string>remote-notification</string>
+	</array>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
@@ -50,5 +55,9 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+	<key>com.apple.developer.networking.vpn.api</key>
+	<array>
+		<string>allow-vpn</string>
+	</array>
 </dict>
 </plist>

ios/Runner/Runner.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.developer.networking.networkextension</key>
+	<array>
+		<string>packet-tunnel-provider</string>
+	</array>
+</dict>
+</plist>

ios/Runner/RunnerRelease.entitlements

@@ -1,18 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
-	<key>com.apple.developer.networking.networkextension</key>
-	<array>
-		<string>dns-settings</string>
-		<string>packet-tunnel-provider</string>
-		<string>dns-proxy</string>
-		<string>app-proxy-provider</string>
-		<string>content-filter-provider</string>
-	</array>
-	<key>com.apple.developer.networking.vpn.api</key>
-	<array>
-		<string>allow-vpn</string>
-	</array>
-</dict>
+<dict/>
 </plist>

ios/Runner/VPNManager.swift

@@ -0,0 +1,180 @@
+import NetworkExtension
+import Foundation
+
+class VPNManager {
+    private var vpnManager: NETunnelProviderManager?
+    private let profileName = "Controller"
+    private var isInitialized = false
+    private var initializationCompletion: ((Error?) -> Void)?
+    static var sharedInstance: VPNManager?
+
+    init() {
+        print("VPNManager: Initializing...")
+        loadVPNManager { error in
+            if let error = error {
+                print("VPNManager: Initialization failed with error: \(error.localizedDescription)")
+            } else {
+                print("VPNManager: Initialization completed successfully")
+            }
+            self.isInitialized = true
+            self.initializationCompletion?(error)
+            self.initializationCompletion = nil
+        }
+    }
+
+    private func loadVPNManager(completion: @escaping (Error?) -> Void) {
+        print("VPNManager: Loading existing VPN managers...")
+        NETunnelProviderManager.loadAllFromPreferences { managers, error in
+            if let error = error {
+                print("VPNManager: Error loading VPN managers: \(error.localizedDescription)")
+                self.vpnManager = NETunnelProviderManager()
+                self.vpnManager?.localizedDescription = self.profileName
+                print("VPNManager: Created new VPN profile due to error: \(self.profileName)")
+                completion(nil)
+                return
+            }
+
+            print("VPNManager: Loaded \(managers?.count ?? 0) VPN managers")
+            if let existingManager = managers?.first(where: { $0.localizedDescription == self.profileName }) {
+                self.vpnManager = existingManager
+                print("VPNManager: Found existing VPN profile: \(self.profileName)")
+            } else {
+                self.vpnManager = NETunnelProviderManager()
+                self.vpnManager?.localizedDescription = self.profileName
+                print("VPNManager: Created new VPN profile: \(self.profileName)")
+            }
+            print("VPNManager: vpnManager is \(self.vpnManager != nil ? "set" : "nil")")
+            completion(nil)
+        }
+
+        // Таймаут для loadAllFromPreferences
+        DispatchQueue.global().asyncAfter(deadline: .now() + 5) {
+            if !self.isInitialized {
+                print("VPNManager: loadAllFromPreferences timed out")
+                self.vpnManager = NETunnelProviderManager()
+                self.vpnManager?.localizedDescription = self.profileName
+                print("VPNManager: Created new VPN profile due to timeout: \(self.profileName)")
+                self.isInitialized = true
+                completion(nil)
+            }
+        }
+    }
+
+    private func waitForInitialization(completion: @escaping (Error?) -> Void) {
+        if isInitialized {
+            print("VPNManager: Already initialized")
+            completion(nil)
+            return
+        }
+        print("VPNManager: Waiting for initialization...")
+        initializationCompletion = completion
+    }
+
+    func setupVPNConfiguration(tunAddr: String, tunMask: String, tunDns: String, socks5Proxy: String, completion: @escaping (Error?) -> Void) {
+        print("VPNManager: Setting up VPN configuration with tunAddr=\(tunAddr), tunMask=\(tunMask), tunDns=\(tunDns), socks5Proxy=\(socks5Proxy)")
+        waitForInitialization { error in
+            if let error = error {
+                completion(error)
+                return
+            }
+            guard let vpnManager = self.vpnManager else {
+                print("VPNManager: VPN Manager not initialized")
+                completion(NSError(domain: "VPNError", code: -1, userInfo: [NSLocalizedDescriptionKey: "VPN Manager not initialized"]))
+                return
+            }
+
+            vpnManager.loadFromPreferences { error in
+                if let error = error {
+                    print("VPNManager: Load preferences error: \(error.localizedDescription)")
+                    completion(error)
+                    return
+                }
+
+                let tunnelProtocol = NETunnelProviderProtocol()
+                tunnelProtocol.providerBundleIdentifier = "click.vpnclient.VPNclientTunnel"
+                tunnelProtocol.serverAddress = socks5Proxy
+                tunnelProtocol.providerConfiguration = [
+                    "tunAddr": tunAddr,
+                    "tunMask": tunMask,
+                    "tunDns": tunDns,
+                    "socks5Proxy": socks5Proxy
+                ]
+
+                vpnManager.protocolConfiguration = tunnelProtocol
+                vpnManager.isEnabled = true
+                vpnManager.isOnDemandEnabled = false
+
+                print("VPNManager: Saving VPN configuration...")
+                vpnManager.saveToPreferences { error in
+                    if let error = error {
+                        print("VPNManager: Save preferences error: \(error.localizedDescription)")
+                        completion(error)
+                    } else {
+                        print("VPNManager: VPN configuration saved successfully")
+                        completion(nil)
+                    }
+                }
+            }
+        }
+    }
+
+    func startVPN(completion: @escaping (Error?) -> Void) {
+        print("VPNManager: Starting VPN...")
+        waitForInitialization { error in
+            if let error = error {
+                completion(error)
+                return
+            }
+            guard let vpnManager = self.vpnManager else {
+                print("VPNManager: VPN Manager not initialized")
+                completion(NSError(domain: "VPNError", code: -1, userInfo: [NSLocalizedDescriptionKey: "VPN Manager not initialized"]))
+                return
+            }
+            vpnManager.loadFromPreferences { error in
+                if let error = error {
+                    print("VPNManager: Load preferences error before start: \(error.localizedDescription)")
+                    completion(error)
+                    return
+                }
+                do {
+                    try vpnManager.connection.startVPNTunnel()
+                    print("VPNManager: VPN tunnel started successfully")
+                    completion(nil)
+                } catch {
+                    print("VPNManager: Start VPN error: \(error.localizedDescription)")
+                    completion(error)
+                }
+            }
+        }
+    }
+
+    func stopVPN(completion: @escaping () -> Void) {
+        print("VPNManager: Stopping VPN...")
+        waitForInitialization { _ in
+            self.vpnManager?.connection.stopVPNTunnel()
+            completion()
+        }
+    }
+
+    var vpnStatus: NEVPNStatus {
+        let status = vpnManager?.connection.status ?? .invalid
+        print("VPNManager: Current VPN status: \(status.description)")
+        return status
+    }
+
+    static func cleanup() {
+        sharedInstance = nil
+    }
+}
+
+extension NEVPNStatus {
+    var description: String {
+        switch self {
+        case .disconnected: return "Disconnected"
+        case .connecting: return "Connecting..."
+        case .connected: return "Connected"
+        case .disconnecting: return "Disconnecting..."
+        default: return "Not Added Profile"
+        }
+    }
+}