v2rayN/v2rayN/ServiceLib/Handler/CoreHandler.cs
2025-04-12 11:24:12 +08:00

409 lines
13 KiB
C#

using System.Diagnostics;
using System.Text;
namespace ServiceLib.Handler;
/// <summary>
/// Core process processing class
/// </summary>
public class CoreHandler
{
private static readonly Lazy<CoreHandler> _instance = new(() => new());
public static CoreHandler Instance => _instance.Value;
private Config _config;
private Process? _process;
private Process? _processPre;
private int _linuxSudoPid = -1;
private Action<bool, string>? _updateFunc;
private const string _tag = "CoreHandler";
public async Task Init(Config config, Action<bool, string> updateFunc)
{
_config = config;
_updateFunc = updateFunc;
Environment.SetEnvironmentVariable(Global.V2RayLocalAsset, Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
Environment.SetEnvironmentVariable(Global.XrayLocalAsset, Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
Environment.SetEnvironmentVariable(Global.XrayLocalCert, Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
//Copy the bin folder to the storage location (for init)
if (Environment.GetEnvironmentVariable(Global.LocalAppData) == "1")
{
var fromPath = Utils.GetBaseDirectory("bin");
var toPath = Utils.GetBinPath("");
if (fromPath != toPath)
{
FileManager.CopyDirectory(fromPath, toPath, true, false);
}
}
if (Utils.IsNonWindows())
{
var coreInfo = CoreInfoHandler.Instance.GetCoreInfo();
foreach (var it in coreInfo)
{
if (it.CoreType == ECoreType.v2rayN)
{
if (Utils.UpgradeAppExists(out var upgradeFileName))
{
await Utils.SetLinuxChmod(upgradeFileName);
}
continue;
}
foreach (var name in it.CoreExes)
{
var exe = Utils.GetBinPath(Utils.GetExeName(name), it.CoreType.ToString());
if (File.Exists(exe))
{
await Utils.SetLinuxChmod(exe);
}
}
}
}
}
public async Task LoadCore(ProfileItem? node)
{
if (node == null)
{
UpdateFunc(false, ResUI.CheckServerSettings);
return;
}
var fileName = Utils.GetBinConfigPath(Global.CoreConfigFileName);
var result = await CoreConfigHandler.GenerateClientConfig(node, fileName);
if (result.Success != true)
{
UpdateFunc(true, result.Msg);
return;
}
UpdateFunc(false, $"{node.GetSummary()}");
UpdateFunc(false, $"{Utils.GetRuntimeInfo()}");
UpdateFunc(false, string.Format(ResUI.StartService, DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
await CoreStop();
await Task.Delay(100);
if (Utils.IsWindows() && _config.TunModeItem.EnableTun)
{
await Task.Delay(100);
await WindowsUtils.RemoveTunDevice();
}
await CoreStart(node);
await CoreStartPreService(node);
if (_process != null)
{
UpdateFunc(true, $"{node.GetSummary()}");
}
}
public async Task<int> LoadCoreConfigSpeedtest(List<ServerTestItem> selecteds)
{
var coreType = selecteds.Exists(t => t.ConfigType is EConfigType.Hysteria2 or EConfigType.TUIC or EConfigType.Anytls) ? ECoreType.sing_box : ECoreType.Xray;
var fileName = string.Format(Global.CoreSpeedtestConfigFileName, Utils.GetGuid(false));
var configPath = Utils.GetBinConfigPath(fileName);
var result = await CoreConfigHandler.GenerateClientSpeedtestConfig(_config, configPath, selecteds, coreType);
UpdateFunc(false, result.Msg);
if (result.Success != true)
{
return -1;
}
UpdateFunc(false, string.Format(ResUI.StartService, DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
UpdateFunc(false, configPath);
var coreInfo = CoreInfoHandler.Instance.GetCoreInfo(coreType);
var proc = await RunProcess(coreInfo, fileName, true, false);
if (proc is null)
{
return -1;
}
return proc.Id;
}
public async Task<int> LoadCoreConfigSpeedtest(ServerTestItem testItem)
{
var node = await AppHandler.Instance.GetProfileItem(testItem.IndexId);
if (node is null)
{
return -1;
}
var fileName = string.Format(Global.CoreSpeedtestConfigFileName, Utils.GetGuid(false));
var configPath = Utils.GetBinConfigPath(fileName);
var result = await CoreConfigHandler.GenerateClientSpeedtestConfig(_config, node, testItem, configPath);
if (result.Success != true)
{
return -1;
}
var coreType = AppHandler.Instance.GetCoreType(node, node.ConfigType);
var coreInfo = CoreInfoHandler.Instance.GetCoreInfo(coreType);
var proc = await RunProcess(coreInfo, fileName, true, false);
if (proc is null)
{
return -1;
}
return proc.Id;
}
public async Task CoreStop()
{
try
{
if (_process != null)
{
await ProcUtils.ProcessKill(_process, true);
_process = null;
}
if (_processPre != null)
{
await ProcUtils.ProcessKill(_processPre, true);
_processPre = null;
}
if (_linuxSudoPid > 0)
{
await KillProcessAsLinuxSudo();
}
_linuxSudoPid = -1;
}
catch (Exception ex)
{
Logging.SaveLog(_tag, ex);
}
}
#region Private
private async Task CoreStart(ProfileItem node)
{
var coreType = _config.RunningCoreType = AppHandler.Instance.GetCoreType(node, node.ConfigType);
var coreInfo = CoreInfoHandler.Instance.GetCoreInfo(coreType);
var displayLog = node.ConfigType != EConfigType.Custom || node.DisplayLog;
var proc = await RunProcess(coreInfo, Global.CoreConfigFileName, displayLog, true);
if (proc is null)
{
return;
}
_process = proc;
}
private async Task CoreStartPreService(ProfileItem node)
{
if (_process != null && !_process.HasExited)
{
var coreType = AppHandler.Instance.GetCoreType(node, node.ConfigType);
var itemSocks = await ConfigHandler.GetPreSocksItem(_config, node, coreType);
if (itemSocks != null)
{
var preCoreType = itemSocks.CoreType ?? ECoreType.sing_box;
var fileName = Utils.GetBinConfigPath(Global.CorePreConfigFileName);
var result = await CoreConfigHandler.GenerateClientConfig(itemSocks, fileName);
if (result.Success)
{
var coreInfo = CoreInfoHandler.Instance.GetCoreInfo(preCoreType);
var proc = await RunProcess(coreInfo, Global.CorePreConfigFileName, true, true);
if (proc is null)
{
return;
}
_processPre = proc;
}
}
}
}
private void UpdateFunc(bool notify, string msg)
{
_updateFunc?.Invoke(notify, msg);
}
private bool IsNeedSudo(ECoreType eCoreType)
{
return _config.TunModeItem.EnableTun
&& eCoreType == ECoreType.sing_box
&& (Utils.IsNonWindows())
//&& _config.TunModeItem.LinuxSudoPwd.IsNotEmpty()
;
}
#endregion Private
#region Process
private async Task<Process?> RunProcess(CoreInfo? coreInfo, string configPath, bool displayLog, bool mayNeedSudo)
{
var fileName = CoreInfoHandler.Instance.GetCoreExecFile(coreInfo, out var msg);
if (fileName.IsNullOrEmpty())
{
UpdateFunc(false, msg);
return null;
}
try
{
Process proc = new()
{
StartInfo = new()
{
FileName = fileName,
Arguments = string.Format(coreInfo.Arguments, coreInfo.AbsolutePath ? Utils.GetBinConfigPath(configPath).AppendQuotes() : configPath),
WorkingDirectory = Utils.GetBinConfigPath(),
UseShellExecute = false,
RedirectStandardOutput = displayLog,
RedirectStandardError = displayLog,
CreateNoWindow = true,
StandardOutputEncoding = displayLog ? Encoding.UTF8 : null,
StandardErrorEncoding = displayLog ? Encoding.UTF8 : null,
}
};
var isNeedSudo = mayNeedSudo && IsNeedSudo(coreInfo.CoreType);
if (isNeedSudo)
{
await RunProcessAsLinuxSudo(proc, fileName, coreInfo, configPath);
}
if (displayLog)
{
proc.OutputDataReceived += (sender, e) =>
{
if (e.Data.IsNullOrEmpty())
return;
UpdateFunc(false, e.Data + Environment.NewLine);
};
proc.ErrorDataReceived += (sender, e) =>
{
if (e.Data.IsNullOrEmpty())
return;
UpdateFunc(false, e.Data + Environment.NewLine);
};
}
proc.Start();
if (isNeedSudo && _config.TunModeItem.LinuxSudoPwd.IsNotEmpty())
{
var pwd = DesUtils.Decrypt(_config.TunModeItem.LinuxSudoPwd);
await Task.Delay(10);
await proc.StandardInput.WriteLineAsync(pwd);
await Task.Delay(10);
await proc.StandardInput.WriteLineAsync(pwd);
}
if (isNeedSudo)
_linuxSudoPid = proc.Id;
if (displayLog)
{
proc.BeginOutputReadLine();
proc.BeginErrorReadLine();
}
await Task.Delay(500);
AppHandler.Instance.AddProcess(proc.Handle);
if (proc is null or { HasExited: true })
{
throw new Exception(ResUI.FailedToRunCore);
}
return proc;
}
catch (Exception ex)
{
Logging.SaveLog(_tag, ex);
UpdateFunc(mayNeedSudo, ex.Message);
return null;
}
}
#endregion Process
#region Linux
private async Task RunProcessAsLinuxSudo(Process proc, string fileName, CoreInfo coreInfo, string configPath)
{
var cmdLine = $"{fileName.AppendQuotes()} {string.Format(coreInfo.Arguments, Utils.GetBinConfigPath(configPath).AppendQuotes())}";
var shFilePath = await CreateLinuxShellFile(cmdLine, "run_as_sudo.sh");
proc.StartInfo.FileName = shFilePath;
proc.StartInfo.Arguments = "";
proc.StartInfo.WorkingDirectory = "";
if (_config.TunModeItem.LinuxSudoPwd.IsNotEmpty())
{
proc.StartInfo.StandardInputEncoding = Encoding.UTF8;
proc.StartInfo.RedirectStandardInput = true;
}
}
private async Task KillProcessAsLinuxSudo()
{
var cmdLine = $"kill {_linuxSudoPid}";
var shFilePath = await CreateLinuxShellFile(cmdLine, "kill_as_sudo.sh");
Process proc = new()
{
StartInfo = new()
{
FileName = shFilePath,
UseShellExecute = false,
CreateNoWindow = true,
StandardInputEncoding = Encoding.UTF8,
RedirectStandardInput = true
}
};
proc.Start();
if (_config.TunModeItem.LinuxSudoPwd.IsNotEmpty())
{
try
{
var pwd = DesUtils.Decrypt(_config.TunModeItem.LinuxSudoPwd);
await Task.Delay(10);
await proc.StandardInput.WriteLineAsync(pwd);
await Task.Delay(10);
await proc.StandardInput.WriteLineAsync(pwd);
}
catch (Exception)
{
// ignored
}
}
var timeout = new CancellationTokenSource(TimeSpan.FromSeconds(10));
await proc.WaitForExitAsync(timeout.Token);
await Task.Delay(3000);
}
private async Task<string> CreateLinuxShellFile(string cmdLine, string fileName)
{
//Shell scripts
var shFilePath = Utils.GetBinConfigPath(AppHandler.Instance.IsAdministrator ? "root_" + fileName : fileName);
File.Delete(shFilePath);
var sb = new StringBuilder();
sb.AppendLine("#!/bin/sh");
if (AppHandler.Instance.IsAdministrator)
{
sb.AppendLine($"{cmdLine}");
}
else if (_config.TunModeItem.LinuxSudoPwd.IsNullOrEmpty())
{
sb.AppendLine($"pkexec {cmdLine}");
}
else
{
sb.AppendLine($"sudo -S {cmdLine}");
}
await File.WriteAllTextAsync(shFilePath, sb.ToString());
await Utils.SetLinuxChmod(shFilePath);
Logging.SaveLog(shFilePath);
return shFilePath;
}
#endregion Linux
}