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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="UpdateVersionService.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Defines the UpdateVersionService type.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Services
{
using System;
using System.Diagnostics;
using System.IO;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using System.Windows;
using HandBrake.ApplicationServices;
using HandBrake.ApplicationServices.Services.Interfaces;
using HandBrakeWPF.Services.Interfaces;
/// <summary>
/// Update Version Service - Handlers Update and Versioning.
/// </summary>
public class UpdateVersionService : IUpdateVersionService
{
/// <summary>
/// The Backing field for the user setting service
/// </summary>
private readonly IUserSettingService userSettingService;
/// <summary>
/// The Error Service Backing field.
/// </summary>
private readonly IErrorService errorService;
/// <summary>
/// Initializes a new instance of the <see cref="UpdateVersionService"/> class.
/// </summary>
/// <param name="userSettingService">
/// The user setting service.
/// </param>
/// <param name="errorService">
/// The error Service.
/// </param>
public UpdateVersionService(IUserSettingService userSettingService, IErrorService errorService)
{
this.userSettingService = userSettingService;
this.errorService = errorService;
}
/// <summary>
/// Get's HandBrakes version data from the CLI.
/// </summary>
public void SetCliVersionData()
{
string line;
// 0 = SVN Build / Version
// 1 = Build Date
// Get the SHA1 Hash of HandBrakeCLI
byte[] hash;
string starupPath = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
using (Stream stream = File.OpenRead(Path.Combine(starupPath, "HandBrakeCLI.exe")))
{
hash = SHA1.Create().ComputeHash(stream);
}
string base64Hash = Convert.ToBase64String(hash);
// Compare the hash with the last known hash. If it's the same, return.
if (userSettingService.GetUserSetting<string>(UserSettingConstants.CliExeHash) == base64Hash)
{
return;
}
// It's not the same, so start the CLI to get it's version data.
Process cliProcess = new Process();
ProcessStartInfo handBrakeCli = new ProcessStartInfo("HandBrakeCLI.exe", " -u -v0")
{
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardOutput = true,
CreateNoWindow = true
};
cliProcess.StartInfo = handBrakeCli;
try
{
cliProcess.Start();
// Retrieve standard output and report back to parent thread until the process is complete
TextReader stdOutput = cliProcess.StandardError;
while (!cliProcess.HasExited)
{
line = stdOutput.ReadLine() ?? string.Empty;
Match m = Regex.Match(line, @"HandBrake ([svnM0-9.]*) \(([0-9]*)\)");
Match platform = Regex.Match(line, @"- ([A-Za-z0-9\s ]*) -");
if (m.Success)
{
string version = m.Groups[1].Success ? m.Groups[1].Value : string.Empty;
string build = m.Groups[2].Success ? m.Groups[2].Value : string.Empty;
int buildValue;
int.TryParse(build, out buildValue);
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakeBuild, buildValue);
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakeVersion, version);
}
if (platform.Success)
{
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakePlatform, platform.Value.Replace("-", string.Empty).Trim());
}
if (cliProcess.TotalProcessorTime.Seconds > 10) // Don't wait longer than 10 seconds.
{
Process cli = Process.GetProcessById(cliProcess.Id);
if (!cli.HasExited)
{
cli.Kill();
}
}
}
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakeExeHash, base64Hash);
}
catch (Exception e)
{
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakeBuild, string.Empty);
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakePlatform, string.Empty);
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakeVersion, string.Empty);
userSettingService.SetUserSetting(ASUserSettingConstants.HandBrakeExeHash, string.Empty);
this.errorService.ShowError("Unable to Initialise HandBrake", "This error is unrecoverable. Maybe try restarting.", e);
Application.Current.Shutdown();
}
}
}
}
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