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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Console.Network;
namespace Tango.Console
{
public class ConsoleExecutionEngine
{
private class ParsedCommand
{
public String Command { get; set; }
public String Arguments { get; set; }
public ParsedCommand(ConsoleCommandRequest request)
{
String[] s = request.Command.Split(' ');
Command = s.First();
Arguments = String.Join(" ", s.Skip(1));
}
}
public Task<ConsoleCommandExecutionResult> Execute(ConsoleCommandRequest request)
{
return Task.Factory.StartNew<ConsoleCommandExecutionResult>(() =>
{
ParsedCommand parsedCommand = new ParsedCommand(request);
if (parsedCommand.Command.ToLower() == "cd")
{
if (parsedCommand.Arguments.Contains(":\\") && Directory.Exists(parsedCommand.Arguments))
{
return CreateResult(parsedCommand.Arguments, String.Empty);
}
else if (Directory.Exists(Path.Combine(request.WorkingFolder, parsedCommand.Arguments)))
{
return CreateResult(Path.GetFullPath(Path.Combine(request.WorkingFolder, parsedCommand.Arguments)), String.Empty);
}
else
{
return CreateResult(null, "The directory does not exists.");
}
}
String output = String.Empty;
String error = String.Empty;
var process = new Process();
process.StartInfo.CreateNoWindow = true;
process.StartInfo.UseShellExecute = false;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.RedirectStandardOutput = true;
if (request.RunAsAdministrator)
{
process.StartInfo.Verb = "runas";
}
if (request.WorkingFolder != null)
{
process.StartInfo.WorkingDirectory = request.WorkingFolder;
}
if (ConsoleDictionary.GetKnownCommands().Exists(x => x.Name.ToLower() == parsedCommand.Command.ToLower()))
{
process.StartInfo.FileName = "cmd.exe";
process.StartInfo.Arguments = "/C " + request.Command;
}
else
{
process.StartInfo.FileName = parsedCommand.Command;
process.StartInfo.Arguments = parsedCommand.Arguments;
}
process.Start();
bool hasGuid = false;
try
{
process.WaitForInputIdle(5000);
hasGuid = true;
}
catch { }
if (!hasGuid)
{
output = process.StandardOutput.ReadToEnd();
error = process.StandardError.ReadToEnd();
}
return CreateResult(request.WorkingFolder, String.IsNullOrWhiteSpace(error) ? output.Replace(request.WorkingFolder + ">", "") : error);
});
}
public static List<ConsoleSuggestion> GetSuggestions(String folder)
{
List<ConsoleSuggestion> suggestions = new List<ConsoleSuggestion>();
foreach (var dir in Directory.GetDirectories(Path.GetFullPath(folder)))
{
suggestions.Add(new ConsoleSuggestion()
{
Type = ConsoleSuggestionType.Folder,
Name = Path.GetFileName(dir)
});
}
foreach (var file in Directory.GetFiles(Path.GetFullPath(folder)))
{
suggestions.Add(new ConsoleSuggestion()
{
Type = ConsoleSuggestionType.File,
Name = Path.GetFileName(file),
});
}
return suggestions;
}
private ConsoleCommandExecutionResult CreateResult(String workingFolder, String output)
{
ConsoleCommandExecutionResult result = new ConsoleCommandExecutionResult();
result.WorkingFolder = workingFolder;
result.Output = output;
result.Suggestions.AddRange(GetSuggestions(workingFolder));
return result;
}
}
}
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