fix: jump server (#190)

lib/core/utils/server.dart

@@ -44,63 +44,78 @@ String getPrivateKey(String id) {
 Future<SSHClient> genClient(
   ServerPrivateInfo spi, {
   void Function(GenSSHClientStatus)? onStatus,
+
+  /// Must pass this param when use multi-thread and key login
   String? privateKey,
+
+  /// Must pass this param when use multi-thread and key login
+  String? jumpPrivateKey,
   Duration timeout = const Duration(seconds: 5),
 
   /// [ServerPrivateInfo] of the jump server
+  ///
+  /// Must pass this param when use multi-thread and key login
   ServerPrivateInfo? jumpSpi,
-  String? jumpPrivateKey,
 }) async {
   onStatus?.call(GenSSHClientStatus.socket);
-  SSHSocket? socket;
-  try {
-    socket = await SSHSocket.connect(
-      spi.ip,
-      spi.port,
-      timeout: timeout,
-    );
-  } catch (e) {
-    if (spi.alterUrl == null) rethrow;
-    try {
-      final ipPort = spi.fromStringUrl();
-      socket = await SSHSocket.connect(
-        ipPort.ip,
-        ipPort.port,
-        timeout: timeout,
-      );
-    } catch (e) {
-      rethrow;
-    }
-  }
 
-  final forward = await () async {
+  final socket = await () async {
-    if (jumpSpi != null) {
+    // Proxy
+    final jumpSpi_ = () {
+      // Multi-thread or key login
+      if (jumpSpi != null) return jumpSpi;
+      // Main thread
+      if (spi.jumpId != null) return Stores.server.box.get(spi.jumpId);
+    }();
+    if (jumpSpi_ != null) {
       final jumpClient = await genClient(
-        jumpSpi,
+        jumpSpi_,
         privateKey: jumpPrivateKey,
         timeout: timeout,
       );
-      // Use `0.0.0.0` as localhost to use all interfaces.
+      
       return await jumpClient.forwardLocal(
         spi.ip,
         spi.port,
       );
     }
+
+    // Direct
+    try {
+      return await SSHSocket.connect(
+        spi.ip,
+        spi.port,
+        timeout: timeout,
+      );
+    } catch (e) {
+      if (spi.alterUrl == null) rethrow;
+      try {
+        final ipPort = spi.fromStringUrl();
+        return await SSHSocket.connect(
+          ipPort.ip,
+          ipPort.port,
+          timeout: timeout,
+        );
+      } catch (e) {
+        rethrow;
+      }
+    }
   }();
 
-  if (spi.pubKeyId == null) {
+  final keyId = spi.keyId;
+  if (keyId == null) {
     onStatus?.call(GenSSHClientStatus.pwd);
     return SSHClient(
-      forward ?? socket,
+      socket,
       username: spi.user,
       onPasswordRequest: () => spi.pwd,
     );
   }
-  privateKey ??= getPrivateKey(spi.pubKeyId!);
+  privateKey ??= getPrivateKey(keyId);
 
   onStatus?.call(GenSSHClientStatus.key);
   return SSHClient(
-    forward ?? socket,
+    socket,
     username: spi.user,
     identities: await compute(loadIndentity, privateKey),
   );

lib/data/model/server/server_private_info.dart

@@ -18,8 +18,9 @@ class ServerPrivateInfo {
   final String user;
   @HiveField(4)
   final String? pwd;
+  /// [id] of private key
   @HiveField(5)
-  final String? pubKeyId;
+  final String? keyId;
   @HiveField(6)
   final List<String>? tags;
   @HiveField(7)
@@ -39,7 +40,7 @@ class ServerPrivateInfo {
     required this.port,
     required this.user,
     required this.pwd,
-    this.pubKeyId,
+    this.keyId,
     this.tags,
     this.alterUrl,
     this.autoConnect,
@@ -55,7 +56,7 @@ class ServerPrivateInfo {
         name = json["name"]?.toString() ??
             '${json["user"]?.toString() ?? 'root'}@${json["ip"].toString()}:${json["port"] ?? 22}',
         pwd = json["authorization"]?.toString(),
-        pubKeyId = json["pubKeyId"]?.toString(),
+        keyId = json["pubKeyId"]?.toString(),
         tags = json["tags"]?.cast<String>(),
         alterUrl = json["alterUrl"]?.toString(),
         autoConnect = json["autoConnect"],
@@ -68,7 +69,7 @@ class ServerPrivateInfo {
     data["port"] = port;
     data["user"] = user;
     data["authorization"] = pwd;
-    data["pubKeyId"] = pubKeyId;
+    data["pubKeyId"] = keyId;
     data["tags"] = tags;
     data["alterUrl"] = alterUrl;
     data["autoConnect"] = autoConnect;
@@ -82,7 +83,7 @@ class ServerPrivateInfo {
   bool shouldReconnect(ServerPrivateInfo old) {
     return id != old.id ||
         pwd != old.pwd ||
-        pubKeyId != old.pubKeyId ||
+        keyId != old.keyId ||
         alterUrl != old.alterUrl ||
         jumpId != old.jumpId;
   }

lib/data/model/server/server_private_info.g.dart

@@ -22,7 +22,7 @@ class ServerPrivateInfoAdapter extends TypeAdapter<ServerPrivateInfo> {
       port: fields[2] as int,
       user: fields[3] as String,
       pwd: fields[4] as String?,
-      pubKeyId: fields[5] as String?,
+      keyId: fields[5] as String?,
       tags: (fields[6] as List?)?.cast<String>(),
       alterUrl: fields[7] as String?,
       autoConnect: fields[8] as bool?,
@@ -45,7 +45,7 @@ class ServerPrivateInfoAdapter extends TypeAdapter<ServerPrivateInfo> {
       ..writeByte(4)
       ..write(obj.pwd)
       ..writeByte(5)
-      ..write(obj.pubKeyId)
+      ..write(obj.keyId)
       ..writeByte(6)
       ..write(obj.tags)
       ..writeByte(7)

lib/data/model/sftp/req.dart

@@ -1,5 +1,8 @@
 import 'dart:async';
 
+import 'package:toolbox/data/res/logger.dart';
+import 'package:toolbox/data/res/store.dart';
+
 import '../../../core/utils/server.dart';
 import '../server/server_private_info.dart';
 import 'worker.dart';
@@ -10,6 +13,8 @@ class SftpReq {
   final String localPath;
   final SftpReqType type;
   String? privateKey;
+  ServerPrivateInfo? jumpSpi;
+  String? jumpPrivateKey;
 
   SftpReq(
     this.spi,
@@ -17,8 +22,13 @@ class SftpReq {
     this.localPath,
     this.type,
   ) {
-    if (spi.pubKeyId != null) {
+    final keyId = spi.keyId;
-      privateKey = getPrivateKey(spi.pubKeyId!);
+    if (keyId != null) {
+      privateKey = getPrivateKey(keyId);
+    }
+    if (spi.jumpId != null) {
+      jumpSpi = Stores.server.box.get(spi.jumpId);
+      jumpPrivateKey = Stores.key.get(jumpSpi?.keyId)?.key;
     }
   }
 }
@@ -83,7 +93,9 @@ class SftpReqStatus {
         break;
       default:
         error = Exception('sftp worker event: $event');
+        Loggers.app.warning(error);
         dispose();
+        break;
     }
     notifyListeners();
   }

lib/data/model/sftp/worker.dart

@@ -81,7 +81,12 @@ Future<void> _download(
   try {
     mainSendPort.send(SftpWorkerStatus.preparing);
     final watch = Stopwatch()..start();
-    final client = await genClient(req.spi, privateKey: req.privateKey);
+    final client = await genClient(
+      req.spi,
+      privateKey: req.privateKey,
+      jumpSpi: req.jumpSpi,
+      jumpPrivateKey: req.jumpPrivateKey,
+    );
     mainSendPort.send(SftpWorkerStatus.sshConnectted);
 
     /// Create the directory if not exists
@@ -131,7 +136,12 @@ Future<void> _upload(
   try {
     mainSendPort.send(SftpWorkerStatus.preparing);
     final watch = Stopwatch()..start();
-    final client = await genClient(req.spi, privateKey: req.privateKey);
+    final client = await genClient(
+      req.spi,
+      privateKey: req.privateKey,
+      jumpSpi: req.jumpSpi,
+      jumpPrivateKey: req.jumpPrivateKey,
+    );
     mainSendPort.send(SftpWorkerStatus.sshConnectted);
 
     final local = File(req.localPath);

lib/data/provider/server.dart

@@ -280,14 +280,11 @@ class ServerProvider extends ChangeNotifier {
       _setServerState(s, ServerState.connecting);
 
       final time1 = DateTime.now();
-      final jumpSpi =
-          spi.jumpId == null ? null : Stores.server.box.get(spi.jumpId);
 
       try {
         s.client = await genClient(
           spi,
           timeout: Stores.setting.timeoutD,
-          jumpSpi: jumpSpi,
         );
       } catch (e) {
         _limiter.inc(sid);
@@ -304,8 +301,8 @@ class ServerProvider extends ChangeNotifier {
       if (spi.jumpId == null) {
         Loggers.app.info('Connected to ${spi.name} in $spentTime ms.');
       } else {
-        Loggers.app.info(
+        Loggers.app
-            'Connected to ${spi.name} via ${jumpSpi?.name} in $spentTime ms.');
+            .info('Connected to ${spi.name} via jump server in $spentTime ms.');
       }
 
       _setServerState(s, ServerState.connected);

lib/data/res/build_data.dart

@@ -2,9 +2,9 @@
 
 class BuildData {
   static const String name = "ServerBox";
-  static const int build = 612;
+  static const int build = 616;
   static const String engine = "3.13.8";
-  static const String buildAt = "2023-10-28 17:13:40";
+  static const String buildAt = "2023-10-30 14:48:00";
   static const int modifications = 5;
-  static const int script = 22;
+  static const int script = 23;
 }

lib/view/page/server/edit.dart

@@ -52,31 +52,26 @@ class _ServerEditPageState extends State<ServerEditPage> {
   void initState() {
     super.initState();
 
-    if (widget.spi != null) {
+    final spi = widget.spi;
-      _nameController.text = widget.spi?.name ?? '';
+    if (spi != null) {
-      _ipController.text = widget.spi?.ip ?? '';
+      _nameController.text = spi.name;
-      _portController.text = (widget.spi?.port ?? 22).toString();
+      _ipController.text = spi.ip;
-      _usernameController.text = widget.spi?.user ?? '';
+      _portController.text = spi.port.toString();
-      if (widget.spi?.pubKeyId == null) {
+      _usernameController.text = spi.user;
-        _passwordController.text = widget.spi?.pwd ?? '';
+      if (spi.keyId == null) {
+        _passwordController.text = spi.pwd ?? '';
       } else {
         _keyIdx.value = Pros.key.pkis.indexWhere(
-          (e) => e.id == widget.spi!.pubKeyId,
+          (e) => e.id == widget.spi!.keyId,
         );
       }
-      if (widget.spi?.tags != null) {
+
-        /// List in dart is passed by pointer, so you need to copy it here
+      /// List in dart is passed by pointer, so you need to copy it here
-        _tags.addAll(widget.spi!.tags!);
+      _tags.addAll(spi.tags ?? []);
-      }
+      
-      if (widget.spi?.alterUrl != null) {
+      _altUrlController.text = spi.alterUrl ?? '';
-        _altUrlController.text = widget.spi!.alterUrl!;
+      _autoConnect.value = spi.autoConnect ?? true;
-      }
+      _jumpServer.value = spi.jumpId;
-      if (widget.spi?.autoConnect != null) {
-        _autoConnect.value = widget.spi!.autoConnect!;
-      }
-      if (widget.spi?.jumpId != null) {
-        _jumpServer.value = widget.spi!.jumpId;
-      }
     }
   }
 
@@ -403,7 +398,7 @@ class _ServerEditPageState extends State<ServerEditPage> {
       port: int.parse(_portController.text),
       user: _usernameController.text,
       pwd: _passwordController.text.isEmpty ? null : _passwordController.text,
-      pubKeyId: _keyIdx.value != null
+      keyId: _keyIdx.value != null
           ? Pros.key.pkis.elementAt(_keyIdx.value!).id
           : null,
       tags: _tags,

lib/view/widget/server_func_btns.dart

@@ -151,18 +151,18 @@ Future<void> _gotoSSH(
   }
 
   final path = await () async {
-    final tempKeyFileName = 'srvbox_pk_${spi.pubKeyId}';
+    final tempKeyFileName = 'srvbox_pk_${spi.keyId}';
 
     /// For security reason, save the private key file to app doc path
     return joinPath(await Paths.doc, tempKeyFileName);
   }();
   final file = File(path);
-  final shouldGenKey = spi.pubKeyId != null;
+  final shouldGenKey = spi.keyId != null;
   if (shouldGenKey) {
     if (await file.exists()) {
       await file.delete();
     }
-    await file.writeAsString(getPrivateKey(spi.pubKeyId!));
+    await file.writeAsString(getPrivateKey(spi.keyId!));
     extraArgs.addAll(["-i", path]);
   }