fix: macOS ssh term unusable (#838)

lib/data/model/app/scripts/script_consts.dart

@@ -0,0 +1,100 @@
+import 'package:server_box/data/res/build_data.dart';
+
+/// Constants used throughout the script system
+class ScriptConstants {
+  const ScriptConstants._();
+
+  // Script file names
+  static const String scriptFile = 'srvboxm_v${BuildData.script}.sh';
+  static const String scriptFileWindows = 'srvboxm_v${BuildData.script}.ps1';
+
+  // Script directories
+  static const String scriptDirHome = '~/.config/server_box';
+  static const String scriptDirTmp = '/tmp/server_box';
+  static const String scriptDirHomeWindows = '%USERPROFILE%/.config/server_box';
+  static const String scriptDirTmpWindows = '%TEMP%/server_box';
+
+  // Command separators and dividers
+  static const String separator = 'SrvBoxSep';
+
+  /// The suffix `\t` is for formatting
+  static const String cmdDivider = '\necho $separator\n\t';
+
+  // Path separators
+  static const String unixPathSeparator = '/';
+  static const String windowsPathSeparator = '\\';
+
+  // Script headers
+  static const String unixScriptHeader =
+      '''
+#!/bin/sh
+# Script for ServerBox app v1.0.${BuildData.build}
+# DO NOT delete this file while app is running
+
+export LANG=en_US.UTF-8
+
+# If macSign & bsdSign are both empty, then it's linux
+macSign=\$(uname -a 2>&1 | grep "Darwin")
+bsdSign=\$(uname -a 2>&1 | grep "BSD")
+
+# Link /bin/sh to busybox?
+isBusybox=\$(ls -l /bin/sh | grep "busybox")
+
+userId=\$(id -u)
+
+exec 2>/dev/null
+
+''';
+
+  static const String windowsScriptHeader =
+      '''
+# PowerShell script for ServerBox app v1.0.${BuildData.build}
+# DO NOT delete this file while app is running
+
+\$ErrorActionPreference = "SilentlyContinue"
+
+''';
+}
+
+/// Script path configuration and management
+class ScriptPaths {
+  ScriptPaths._();
+
+  static final Map<String, String> _scriptDirMap = <String, String>{};
+
+  /// Get the script directory for the given [id].
+  ///
+  /// Default is [ScriptConstants.scriptDirTmp]/[ScriptConstants.scriptFile],
+  /// if this path is not accessible, it will be changed to
+  /// [ScriptConstants.scriptDirHome]/[ScriptConstants.scriptFile].
+  static String getScriptDir(String id, {bool isWindows = false}) {
+    final defaultTmpDir = isWindows ? ScriptConstants.scriptDirTmpWindows : ScriptConstants.scriptDirTmp;
+    _scriptDirMap[id] ??= defaultTmpDir;
+    return _scriptDirMap[id]!;
+  }
+
+  /// Switch between tmp and home directories for script storage
+  static String switchScriptDir(String id, {bool isWindows = false}) {
+    return switch (_scriptDirMap[id]) {
+      ScriptConstants.scriptDirTmp => _scriptDirMap[id] = ScriptConstants.scriptDirHome,
+      ScriptConstants.scriptDirTmpWindows => _scriptDirMap[id] = ScriptConstants.scriptDirHomeWindows,
+      ScriptConstants.scriptDirHome => _scriptDirMap[id] = ScriptConstants.scriptDirTmp,
+      ScriptConstants.scriptDirHomeWindows => _scriptDirMap[id] = ScriptConstants.scriptDirTmpWindows,
+      _ =>
+        _scriptDirMap[id] = isWindows ? ScriptConstants.scriptDirHomeWindows : ScriptConstants.scriptDirHome,
+    };
+  }
+
+  /// Get the full script path for the given [id]
+  static String getScriptPath(String id, {bool isWindows = false}) {
+    final dir = getScriptDir(id, isWindows: isWindows);
+    final fileName = isWindows ? ScriptConstants.scriptFileWindows : ScriptConstants.scriptFile;
+    final separator = isWindows ? ScriptConstants.windowsPathSeparator : ScriptConstants.unixPathSeparator;
+    return '$dir$separator$fileName';
+  }
+
+  /// Clear cached script directories (useful for testing)
+  static void clearCache() {
+    _scriptDirMap.clear();
+  }
+}