ios proxy pass domains (#527)

ios/ProxyPin/PacketTunnelProvider.swift

@@ -24,6 +24,15 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
         let proxyPort = conf["proxyPort"] as! Int
         let ipProxy = conf["ipProxy"] as! Bool? ?? false
 
+        // parse proxyPassDomains: accept either [String] or comma-separated String
+        var proxyPassDomains: [String]? = nil
+        if let arr = conf["proxyPassDomains"] as? [String] {
+            proxyPassDomains = arr.map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }.filter { !$0.isEmpty }
+        } else if let csv = conf["proxyPassDomains"] as? String {
+            let list = csv.components(separatedBy: ",").map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }.filter { !$0.isEmpty }
+            proxyPassDomains = list.isEmpty ? nil : list
+        }
+
 //        let networkSettings = NEPacketTunnelNetworkSettings(tunnelRemoteAddress: "127.0.0.1")
         let networkSettings = NEPacketTunnelNetworkSettings(tunnelRemoteAddress: host)
         NSLog(conf.debugDescription)
@@ -57,8 +66,12 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
         proxySettings.httpServer = NEProxyServer(address: host, port: proxyPort)
         proxySettings.httpsEnabled = true
         proxySettings.httpsServer = NEProxyServer(address: host, port: proxyPort)
+        // If a proxyPassDomains list was provided, use it as the exceptionList so these domains bypass the proxy.
+        if let pass = proxyPassDomains {
+            proxySettings.exceptionList = pass
+        } 
+
         proxySettings.matchDomains = [""]
-        
         networkSettings.proxySettings =  proxySettings
 
         networkSettings.ipv4Settings = ipv4Settings

ios/Runner/AppDelegate.swift

@@ -21,10 +21,10 @@ import NetworkExtension
                 } else if ("restartVpn" == call.method){
                     let arguments = call.arguments as? Dictionary<String, AnyObject>
 //                     VpnManager.shared.disconnect()
-                    VpnManager.shared.restartConnect(host: arguments?["proxyHost"] as? String ,port: arguments?["proxyPort"] as? Int, ipProxy: arguments?["ipProxy"] as? Bool)
+                    VpnManager.shared.restartConnect(host: arguments?["proxyHost"] as? String ,port: arguments?["proxyPort"] as? Int, ipProxy: arguments?["ipProxy"] as? Bool, proxyPassDomains: arguments?["proxyPassDomains"] as? [String])
                 } else {
                     let arguments = call.arguments as? Dictionary<String, AnyObject>
-                    VpnManager.shared.connect(host: arguments?["proxyHost"] as? String ,port: arguments?["proxyPort"] as? Int, ipProxy: arguments?["ipProxy"] as? Bool)
+                    VpnManager.shared.connect(host: arguments?["proxyHost"] as? String ,port: arguments?["proxyPort"] as? Int, ipProxy: arguments?["ipProxy"] as? Bool, proxyPassDomains: arguments?["proxyPassDomains"] as? [String])
               }
           })
       

ios/Runner/VpnManager.swift

@@ -17,6 +17,7 @@ class VpnManager{
     public var proxyHost: String = "127.0.0.1"
     public var proxyPort: Int = 9099
     public var ipProxy: Bool = false
+    public var proxyPassDomains: [String]?
 
     static let shared = VpnManager()
     var observerAdded: Bool = false
@@ -103,7 +104,11 @@ extension VpnManager{
             conf["proxyHost"] = self.proxyHost as AnyObject
             conf["proxyPort"] = self.proxyPort as AnyObject
             conf["ipProxy"] = self.ipProxy as AnyObject
-            
+            // Bridge Swift [String] to NSArray (Objective-C) before inserting into AnyObject dictionary
+            if let passDomains = self.proxyPassDomains {
+                conf["proxyPassDomains"] = passDomains as NSArray
+            }
+
             let orignConf = manager.protocolConfiguration as! NETunnelProviderProtocol
  
             orignConf.providerConfiguration = conf
@@ -147,10 +152,11 @@ extension VpnManager{
 // Actions
 extension VpnManager{
     
-    func connect(host: String?, port: Int?, ipProxy: Bool? = false) {
+    func connect(host: String?, port: Int?, ipProxy: Bool? = false, proxyPassDomains: [String]? = nil) {
         self.proxyHost = host ?? self.proxyHost
         self.proxyPort = port ?? self.proxyPort
         self.ipProxy = ipProxy ?? false
+        self.proxyPassDomains = proxyPassDomains ?? self.proxyPassDomains
 
         self.loadAndCreatePrividerManager { (manager) in
             guard let manager = manager else{return}
@@ -163,7 +169,7 @@ extension VpnManager{
         }
     }
     
-    func restartConnect(host: String?, port: Int?, ipProxy: Bool? = false) {
+    func restartConnect(host: String?, port: Int?, ipProxy: Bool? = false, proxyPassDomains: [String]? = nil) {
         self.proxyHost = host ?? self.proxyHost
         self.proxyPort = port ?? self.proxyPort
         self.ipProxy = ipProxy ?? false
@@ -173,7 +179,7 @@ extension VpnManager{
             activeVPN = nil
         }
         
-        self.connect(host: host, port: port, ipProxy: ipProxy)
+        self.connect(host: host, port: port, ipProxy: ipProxy, proxyPassDomains: proxyPassDomains)
     }
 
     func disconnect() {

lib/network/util/system_proxy.dart

@@ -55,6 +55,9 @@ class SystemProxy {
     if (Platform.isAndroid) {
       return '192.168.0.0/16;10.0.0.0/8;172.16.0.0/12;127.0.0.1;localhost';
     }
+    if (Platform.isIOS) {
+      return '192.168.0.0/16;10.0.0.0/8;172.16.0.0/12;127.0.0.1;localhost;*.local;timestamp.apple.com';
+    }
 
     return '';
   }

lib/ui/mobile/menu/bottom_navigation.dart

@@ -280,7 +280,8 @@ class SettingPage extends StatelessWidget {
                         children: [
                           Text(localizations.proxyIgnoreDomain, style: const TextStyle(fontSize: 14)),
                           const SizedBox(height: 3),
-                          Text(isEn ? "Use ';' to separate multiple entries": "多个使用;分割", style: TextStyle(fontSize: 11, color: Colors.grey.shade600)),
+                          Text(isEn ? "Use ';' to separate multiple entries" : "多个使用;分割",
+                              style: TextStyle(fontSize: 11, color: Colors.grey.shade600)),
                         ],
                       ),
                       Padding(
@@ -299,10 +300,14 @@ class SettingPage extends StatelessWidget {
                         textInputAction: TextInputAction.done,
                         style: const TextStyle(fontSize: 13),
                         controller: textEditingController,
+                        onSubmitted: (_) {
+                          configuration.proxyPassDomains = textEditingController.text;
+                          proxyServer.configuration.flushConfig();
+                        },
                         decoration: const InputDecoration(
-                            contentPadding: EdgeInsets.all(10),
-                            border: OutlineInputBorder(),
-                           ),
+                          contentPadding: EdgeInsets.all(10),
+                          border: OutlineInputBorder(),
+                        ),
                         maxLines: 5,
                         minLines: 1)),
                 // const SizedBox(height: 10),

lib/ui/mobile/menu/drawer.dart

@@ -289,6 +289,10 @@ class _SettingPage extends StatelessWidget {
                         textInputAction: TextInputAction.done,
                         style: const TextStyle(fontSize: 13),
                         controller: textEditingController,
+                        onSubmitted: (_) {
+                          configuration.proxyPassDomains = textEditingController.text;
+                          proxyServer.configuration.flushConfig();
+                        },
                         decoration: const InputDecoration(
                             contentPadding: EdgeInsets.all(10),
                             border: OutlineInputBorder()),