static private (Version, string) GetVersionAndChecksum(WebClientEx client, bool useGitHub)
{
SystemManager.CheckServerCertificate(useGitHub ? Globals.CheckUpdateGitHubURL : Globals.CheckUpdateURL, useGitHub, true);
List <string> lines;
try
{
string path = useGitHub ? Globals.CheckUpdateGitHubURL : Globals.CheckUpdateURL;
lines = client.DownloadString(path).SplitNoEmptyLines(useGitHub).Take(2).ToList();
}
catch (Exception ex)
{
throw new WebException(SysTranslations.CheckUpdateReadError.GetLang(ex.Message));
}
LoadingForm.Instance.DoProgress();
var list = new NullSafeOfStringDictionary <string>();
foreach (string line in lines)
{
var parts = line.Split(':');
if (parts.Length != 2)
{
continue;
}
list.Add(parts[0].Trim(), parts[1].Trim());
}
string fileVersion = list["Version"];
string fileChecksum = list["Checksum"];
if (fileVersion.IsNullOrEmpty() || fileChecksum.IsNullOrEmpty())
{
throw new WebException(SysTranslations.CheckUpdateFileError.GetLang(lines.AsMultiLine()));
}
var partsVersion = fileVersion.Split('.');
Version version;
try
{
version = partsVersion.Length switch
{
2 => new Version(Convert.ToInt32(partsVersion[0]),
Convert.ToInt32(partsVersion[1])),
3 => new Version(Convert.ToInt32(partsVersion[0]),
Convert.ToInt32(partsVersion[1]),
Convert.ToInt32(partsVersion[2])),
4 => new Version(Convert.ToInt32(partsVersion[0]),
Convert.ToInt32(partsVersion[1]),
Convert.ToInt32(partsVersion[2]),
Convert.ToInt32(partsVersion[3])),
_ => throw new ArgumentException(SysTranslations.CheckUpdateFileError.GetLang(lines.AsMultiLine())),
};
}
catch (Exception ex)
{
throw new WebException(SysTranslations.CheckUpdateFileError.GetLang(lines.AsMultiLine()) + Globals.NL2 +
ex.Message);
}
LoadingForm.Instance.DoProgress();
return(version, fileChecksum);
}