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147 lines
4.8 KiB
147 lines
4.8 KiB
using System;
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using System.Diagnostics;
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using System.IO;
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using System.Threading.Tasks;
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using TrustedUninstaller.Shared.Exceptions;
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using TrustedUninstaller.Shared.Tasks;
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using YamlDotNet.Serialization;
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namespace TrustedUninstaller.Shared.Actions
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{
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public class CmdAction : ITaskAction
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{
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[YamlMember(typeof(string), Alias = "command")]
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public string Command { get; set; }
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[YamlMember(typeof(string), Alias = "timeout")]
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public int? Timeout { get; set; }
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[YamlMember(typeof(string), Alias = "wait")]
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public bool Wait { get; set; } = true;
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[YamlMember(typeof(bool), Alias = "exeDir")]
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public bool ExeDir { get; set; } = false;
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[YamlMember(typeof(string), Alias = "weight")]
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public int ProgressWeight { get; set; } = 1;
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public int GetProgressWeight() => ProgressWeight;
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private bool InProgress { get; set; }
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public void ResetProgress() => InProgress = false;
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private int? ExitCode { get; set; }
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public string? StandardError { get; set; }
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public string StandardOutput { get; set; }
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public string ErrorString() => $"CmdAction failed to run command '{Command}'.";
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public UninstallTaskStatus GetStatus()
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{
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if (InProgress)
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{
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return UninstallTaskStatus.InProgress;
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}
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return ExitCode == null ? UninstallTaskStatus.ToDo: UninstallTaskStatus.Completed;
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}
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public async Task<bool> RunTask()
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{
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if (InProgress) throw new TaskInProgressException("Another Cmd action was called while one was in progress.");
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InProgress = true;
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Console.WriteLine($"Running cmd command '{Command}'...");
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ExitCode = null;
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var process = new Process();
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var startInfo = new ProcessStartInfo
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{
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WindowStyle = ProcessWindowStyle.Normal,
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FileName = "cmd.exe",
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Arguments = "/C " + $"\"{Environment.ExpandEnvironmentVariables(this.Command)}\"",
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UseShellExecute = false,
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RedirectStandardError = true,
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RedirectStandardOutput = true,
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CreateNoWindow = true
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};
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if (ExeDir) startInfo.WorkingDirectory = AmeliorationUtil.Playbook.Path + "\\Executables";
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if (!Wait)
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{
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startInfo.RedirectStandardError = false;
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startInfo.RedirectStandardOutput = false;
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startInfo.WindowStyle = ProcessWindowStyle.Hidden;
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startInfo.UseShellExecute = true;
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}
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process.StartInfo = startInfo;
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process.Start();
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if (!Wait)
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{
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process.Dispose();
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return true;
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}
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process.OutputDataReceived += ProcOutputHandler;
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process.BeginOutputReadLine();
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if (Timeout != null)
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{
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var exited = process.WaitForExit(Timeout.Value);
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if (!exited)
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{
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process.Kill();
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throw new TimeoutException($"Command '{Command}' timeout exceeded.");
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}
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}
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else process.WaitForExit();
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if (process.ExitCode != 0)
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{
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StandardError = process.StandardError.ReadToEnd();
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Console.WriteLine($"cmd instance exited with error code: {process.ExitCode}");
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if (!String.IsNullOrEmpty(StandardError)) Console.WriteLine($"Error message: {StandardError}");
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ErrorLogger.WriteToErrorLog("Cmd exited with a non-zero exit code: " + process.ExitCode, null, "CmdAction Error", Command);
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this.ExitCode = process.ExitCode;
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}
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else
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{
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ExitCode = 0;
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}
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process.CancelOutputRead();
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process.Dispose();
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InProgress = false;
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return true;
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}
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private static void ProcOutputHandler(object sendingProcess,
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DataReceivedEventArgs outLine)
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{
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var outputString = outLine.Data;
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// Collect the sort command output.
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if (!String.IsNullOrEmpty(outLine.Data))
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{
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if (outputString.Contains("\\AME"))
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{
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outputString = outputString.Substring(outputString.IndexOf('>') + 1);
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}
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Console.WriteLine(outputString);
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}
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else
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{
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Console.WriteLine();
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}
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}
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}
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}
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