private static bool CompareChecksum(string fileName, string checksum)
{
using (var hashAlgorithm = HashAlgorithm.Create(AutoUpdater.HashingAlgorithm))
{
using (var stream = File.OpenRead(fileName))
{
if (hashAlgorithm != null)
{
var hash = hashAlgorithm.ComputeHash(stream);
var fileChecksum = BitConverter.ToString(hash).Replace("-", String.Empty).ToLowerInvariant();
if (fileChecksum == checksum.ToLower())
{
return(true);
}
if (!AutoUpdater.IsSilentMode)
{
MessageBox.Show(Resources.FileIntegrityCheckFailedMessage,
Resources.FileIntegrityCheckFailedCaption, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
AutoUpdater.LogMessage(LogMessageEventArgs.Type.Error, $"DownloadUpdateDialog", "CompareChecksum",
Resources.FileIntegrityCheckFailedMessage);
}
else
{
if (AutoUpdater.ReportErrors)
{
if (!AutoUpdater.IsSilentMode)
{
MessageBox.Show(Resources.HashAlgorithmNotSupportedMessage,
Resources.HashAlgorithmNotSupportedCaption, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
AutoUpdater.LogMessage(LogMessageEventArgs.Type.Error, $"DownloadUpdateDialog", "CompareChecksum",
Resources.HashAlgorithmNotSupportedMessage);
}
}
return(false);
}
}
}
private void WebClientOnDownloadFileCompleted(object sender, AsyncCompletedEventArgs asyncCompletedEventArgs)
{
if (asyncCompletedEventArgs.Cancelled)
{
return;
}
if (asyncCompletedEventArgs.Error != null)
{
if (!AutoUpdater.IsSilentMode)
{
MessageBox.Show(asyncCompletedEventArgs.Error.Message,
asyncCompletedEventArgs.Error.GetType().ToString(), MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
AutoUpdater.LogMessage($"{this.GetType()}", "WebClientOnDownloadFileCompleted",
asyncCompletedEventArgs.Error);
_webClient = null;
Close();
return;
}
if (!string.IsNullOrEmpty(AutoUpdater.Checksum))
{
if (!CompareChecksum(_tempFile, AutoUpdater.Checksum))
{
_webClient = null;
Close();
return;
}
}
ContentDisposition contentDisposition = null;
if (_webClient.ResponseHeaders["Content-Disposition"] != null)
{
contentDisposition = new ContentDisposition(_webClient.ResponseHeaders["Content-Disposition"]);
}
var fileName = string.IsNullOrEmpty(contentDisposition?.FileName)
? Path.GetFileName(_webClient.ResponseUri.LocalPath)
: contentDisposition.FileName;
var tempPath =
Path.Combine(
string.IsNullOrEmpty(AutoUpdater.DownloadPath) ? Path.GetTempPath() : AutoUpdater.DownloadPath,
fileName);
try
{
if (File.Exists(tempPath))
{
File.Delete(tempPath);
}
File.Move(_tempFile, tempPath);
}
catch (Exception e)
{
if (!AutoUpdater.IsSilentMode)
{
MessageBox.Show(e.Message, e.GetType().ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error);
}
AutoUpdater.LogMessage($"{this.GetType()}", "WebClientOnDownloadFileCompleted", e);
_webClient = null;
Close();
return;
}
AutoUpdater.InstallerArgs = AutoUpdater.InstallerArgs.Replace("%path%",
Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName));
var processStartInfo = new ProcessStartInfo
{
FileName = tempPath,
UseShellExecute = true,
Arguments = AutoUpdater.InstallerArgs
};
var extension = Path.GetExtension(tempPath);
if (extension.Equals(".zip", StringComparison.OrdinalIgnoreCase))
{
string installerPath = Path.Combine(Path.GetDirectoryName(tempPath), "ZipExtractor.exe");
try
{
File.WriteAllBytes(installerPath, Resources.ZipExtractor);
}
catch (Exception e)
{
if (!AutoUpdater.IsSilentMode)
{
MessageBox.Show(e.Message, e.GetType().ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error);
}
AutoUpdater.LogMessage($"{this.GetType()}", "WebClientOnDownloadFileCompleted", e);
_webClient = null;
Close();
return;
}
StringBuilder arguments =
new StringBuilder($"\"{tempPath}\" \"{Process.GetCurrentProcess().MainModule.FileName}\"");
string[] args = Environment.GetCommandLineArgs();
for (int i = 1; i < args.Length; i++)
{
if (i.Equals(1))
{
arguments.Append(" \"");
}
arguments.Append(args[i]);
arguments.Append(i.Equals(args.Length - 1) ? "\"" : " ");
}
processStartInfo = new ProcessStartInfo
{
FileName = installerPath,
UseShellExecute = true,
Arguments = arguments.ToString()
};
}
else if (extension.Equals(".msi", StringComparison.OrdinalIgnoreCase))
{
processStartInfo = new ProcessStartInfo
{
FileName = "msiexec",
Arguments = $"/i \"{tempPath}\""
};
if (!string.IsNullOrEmpty(AutoUpdater.InstallerArgs))
{
processStartInfo.Arguments += " " + AutoUpdater.InstallerArgs;
}
}
if (AutoUpdater.RunUpdateAsAdmin)
{
processStartInfo.Verb = "runas";
}
try
{
Process.Start(processStartInfo);
}
catch (Win32Exception exception)
{
_webClient = null;
AutoUpdater.LogMessage($"{this.GetType()}", "WebClientOnDownloadFileCompleted", exception);
if (exception.NativeErrorCode != 1223)
{
throw;
}
}
Close();
}