public bool Prepare(IUpdateSource source)
{
try
{
if (!Directory.Exists(UpdateManager.Instance.TempPath))
Directory.CreateDirectory(UpdateManager.Instance.TempPath);
//download zip file to tmp folder
if (!source.DownloadUpdate(RemotePath, PathToZippedUpdate))
throw new Exception("Impossible de télécharger la mise à jour");
//check file checksum
if (!string.IsNullOrEmpty(Checksum))
{
string checksum = FileChecksum.GetSHA256Checksum(PathToZippedUpdate);
if (!checksum.Equals(Checksum))
throw new Exception("Le fichier de mise à jour téléchargé n'est pas valide");
}
//extract file to temp folder and delete the zip file.
ZipFileUil.Extract(PathToZippedUpdate, UpdateManager.Instance.TempPath);
//delete the zipped file
if (File.Exists(PathToZippedUpdate))
File.Delete(PathToZippedUpdate);
}
catch (Exception)
{
Clear();
throw;
}
return true;
}
public async Task<IUpdatePackage> DownloadUpdate(IUpdateSource source)
{
try
{
var tempDir = Path.GetTempPath();
var location = new DirectoryInfo(Path.Combine(tempDir,"Revise",source.Name,Guid.NewGuid().ToString()));
return await source.DownloadUpdate(location);
}
catch (Exception e)
{
Log.Warn("[DownloadUpdate] Error download update for " + source.Name,e);
return null;
}
}