private string _getFileName(WebResponse res)
{
string result;
if (res.Headers["Content-Disposition"] != null)
{
// File name header is set, extract actual file name
result = res.Headers["Content-Disposition"].Substring(res.Headers["Content-Disposition"].IndexOf("filename=") + 10).Replace("\"", "");
// Remove excessive `;` at end if present
if (result.Substring(result.Length - 1) == ";")
{
result = result.Substring(0, result.Length - 1);
}
// Remove file name encoding string at end if present
if (result.Contains("; filename*=UTF-8"))
{
result = result.Substring(0, result.IndexOf(".osz") + 4);
}
}
else
{
// File name not set by server. Use beatmap id as fallback
result = Convert.ToString(beatmapItemImporter.Beatmap.Id) + ".osz";
}
result = GlobalVar.PathSanitize(result); // Issue #23: Replace invalid characters
return(result);
}
