mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
synced 2026-06-20 23:54:26 +08:00
345 lines
11 KiB
C#
345 lines
11 KiB
C#
using System.Diagnostics;
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using Microsoft.Win32;
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namespace LanMountainDesktop.Launcher.Deployment;
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/// <summary>
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/// 老版本检测器 - 检测 0.8.x 及更早的单应用模式安装
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/// </summary>
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internal sealed class LegacyVersionDetector
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{
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private const string LegacyAppName = "LanMountainDesktop";
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private const string LegacyExeName = "LanMountainDesktop.exe";
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/// <summary>
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/// 检测是否存在老版本安装
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/// </summary>
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public static LegacyVersionInfo? DetectLegacyInstallation()
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{
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// 1. 检查注册表（安装版）
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var registryInfo = DetectFromRegistry();
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if (registryInfo != null)
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{
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return registryInfo;
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}
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// 2. 检查常见安装目录
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var commonPaths = DetectFromCommonPaths();
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if (commonPaths != null)
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{
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return commonPaths;
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}
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// 3. 检查便携版位置
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var portableInfo = DetectPortableInstallation();
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if (portableInfo != null)
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{
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return portableInfo;
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}
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return null;
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}
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/// <summary>
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/// 从注册表检测安装信息
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/// </summary>
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private static LegacyVersionInfo? DetectFromRegistry()
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{
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try
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{
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// 检查 HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall
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using var key = Registry.LocalMachine.OpenSubKey(
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@$"Software\Microsoft\Windows\CurrentVersion\Uninstall\{LegacyAppName}");
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if (key != null)
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{
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var installLocation = key.GetValue("InstallLocation") as string;
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var displayVersion = key.GetValue("DisplayVersion") as string;
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var uninstallString = key.GetValue("UninstallString") as string;
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if (!string.IsNullOrWhiteSpace(installLocation) &&
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File.Exists(Path.Combine(installLocation, LegacyExeName)))
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{
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return new LegacyVersionInfo
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{
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Version = displayVersion ?? "0.8.x",
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InstallPath = installLocation,
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UninstallCommand = uninstallString,
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InstallType = LegacyInstallType.Registry
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};
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}
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}
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// 检查 HKCU（用户级安装）
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using var userKey = Registry.CurrentUser.OpenSubKey(
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@$"Software\Microsoft\Windows\CurrentVersion\Uninstall\{LegacyAppName}");
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if (userKey != null)
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{
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var installLocation = userKey.GetValue("InstallLocation") as string;
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var displayVersion = userKey.GetValue("DisplayVersion") as string;
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var uninstallString = userKey.GetValue("UninstallString") as string;
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if (!string.IsNullOrWhiteSpace(installLocation) &&
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File.Exists(Path.Combine(installLocation, LegacyExeName)))
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{
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return new LegacyVersionInfo
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{
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Version = displayVersion ?? "0.8.x",
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InstallPath = installLocation,
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UninstallCommand = uninstallString,
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InstallType = LegacyInstallType.Registry
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};
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[LegacyVersionDetector] Registry detection failed: {ex.Message}");
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}
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return null;
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}
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/// <summary>
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/// 从常见安装路径检测
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/// </summary>
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private static LegacyVersionInfo? DetectFromCommonPaths()
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{
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var commonPaths = new[]
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{
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Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), LegacyAppName),
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Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86), LegacyAppName),
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Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), LegacyAppName),
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Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), LegacyAppName),
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};
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foreach (var path in commonPaths)
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{
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try
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{
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if (Directory.Exists(path))
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{
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// 检查是否存在老版本的特征文件（没有 app-* 目录）
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var exePath = Path.Combine(path, LegacyExeName);
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var hasAppDirs = Directory.GetDirectories(path, "app-*").Length > 0;
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if (File.Exists(exePath) && !hasAppDirs)
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{
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// 尝试读取版本信息
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var version = TryGetFileVersion(exePath);
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return new LegacyVersionInfo
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{
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Version = version ?? "0.8.x",
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InstallPath = path,
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UninstallCommand = FindUninstaller(path),
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InstallType = LegacyInstallType.CommonPath
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};
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[LegacyVersionDetector] Path detection failed for {path}: {ex.Message}");
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}
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}
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return null;
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}
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/// <summary>
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/// 检测便携版安装
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/// </summary>
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private static LegacyVersionInfo? DetectPortableInstallation()
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{
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try
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{
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// 检查启动器所在目录的父目录（便携版常见布局）
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var launcherDir = AppContext.BaseDirectory;
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var parentDir = Path.GetFullPath(Path.Combine(launcherDir, ".."));
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if (Directory.Exists(parentDir))
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{
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var exePath = Path.Combine(parentDir, LegacyExeName);
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var hasAppDirs = Directory.GetDirectories(parentDir, "app-*").Length > 0;
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// 如果存在 exe 且没有 app-* 目录，可能是老版本
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if (File.Exists(exePath) && !hasAppDirs)
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{
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var version = TryGetFileVersion(exePath);
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// 检查是否真的是老版本（通过文件版本或特定标记）
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if (IsLegacyVersion(version))
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{
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return new LegacyVersionInfo
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{
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Version = version ?? "0.8.x",
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InstallPath = parentDir,
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UninstallCommand = null, // 便携版没有卸载程序
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InstallType = LegacyInstallType.Portable
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};
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}
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[LegacyVersionDetector] Portable detection failed: {ex.Message}");
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}
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return null;
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}
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/// <summary>
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/// 查找卸载程序
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/// </summary>
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private static string? FindUninstaller(string installPath)
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{
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try
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{
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// 常见的卸载程序命名
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var uninstallerNames = new[] { "unins000.exe", "uninstall.exe", "Uninstall.exe" };
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foreach (var name in uninstallerNames)
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{
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var path = Path.Combine(installPath, name);
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if (File.Exists(path))
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{
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return path;
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}
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}
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}
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catch { }
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return null;
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}
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/// <summary>
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/// 获取文件版本
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/// </summary>
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private static string? TryGetFileVersion(string filePath)
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{
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try
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{
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var versionInfo = FileVersionInfo.GetVersionInfo(filePath);
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return versionInfo.FileVersion;
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}
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catch
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{
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return null;
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}
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}
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/// <summary>
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/// 判断是否为老版本（版本号 < 1.0.0）
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/// </summary>
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private static bool IsLegacyVersion(string? version)
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{
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if (string.IsNullOrWhiteSpace(version))
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{
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return true; // 无法确定版本时，保守认为是老版本
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}
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if (Version.TryParse(version.Split(' ')[0], out var v))
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{
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return v.Major < 1;
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}
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return true;
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}
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/// <summary>
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/// 打开卸载界面
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/// </summary>
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public static void OpenUninstallInterface(LegacyVersionInfo info)
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{
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try
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{
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if (!string.IsNullOrWhiteSpace(info.UninstallCommand))
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{
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// 有卸载命令，直接执行
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var parts = info.UninstallCommand.Split(new[] { ' ' }, 2);
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var fileName = parts[0].Trim('"');
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var arguments = parts.Length > 1 ? parts[1] : "";
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Logger.Info(
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$"Opening legacy uninstall interface with elevation reason 'legacy_uninstall'. " +
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$"InstallPath='{info.InstallPath}'; Version='{info.Version}'.");
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Process.Start(new ProcessStartInfo
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{
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FileName = fileName,
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Arguments = arguments,
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UseShellExecute = true,
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Verb = "runas" // 请求管理员权限
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});
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}
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else
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{
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// 没有卸载命令，打开系统卸载面板
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Process.Start(new ProcessStartInfo
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{
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FileName = "appwiz.cpl",
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UseShellExecute = true
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});
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}
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}
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catch (Exception ex)
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{
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Console.Error.WriteLine($"[LegacyVersionDetector] Failed to open uninstall: {ex.Message}");
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// 兜底：打开系统卸载面板
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try
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{
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Process.Start(new ProcessStartInfo
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{
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FileName = "appwiz.cpl",
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UseShellExecute = true
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});
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}
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catch { }
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}
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}
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/// <summary>
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/// 在资源管理器中显示老版本位置
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/// </summary>
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public static void ShowInExplorer(string path)
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{
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try
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{
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Process.Start(new ProcessStartInfo
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{
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FileName = "explorer.exe",
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Arguments = $"/select,\"{path}\"",
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UseShellExecute = false
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});
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}
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catch (Exception ex)
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{
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Console.Error.WriteLine($"[LegacyVersionDetector] Failed to show in explorer: {ex.Message}");
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}
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}
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}
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/// <summary>
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/// 老版本信息
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/// </summary>
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public class LegacyVersionInfo
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{
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public string Version { get; set; } = "0.8.x";
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public string InstallPath { get; set; } = "";
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public string? UninstallCommand { get; set; }
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public LegacyInstallType InstallType { get; set; }
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}
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/// <summary>
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/// 老版本安装类型
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/// </summary>
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public enum LegacyInstallType
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{
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Registry, // 注册表安装版
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CommonPath, // 常见路径安装
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Portable // 便携版
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}
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