Fix non-ascii filename downloads

Follow https://tools.ietf.org/html/rfc5987#section-3.2.2 to encode
non-ascii filenames in HTTP Content-Disposition header.
This commit is contained in:
Jean-Samuel Aubry-Guzzi 2019-04-23 17:31:38 -04:00 committed by DrPandemic
parent e8196fed7c
commit 12721eb7dd

View File

@ -2,6 +2,8 @@ using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Api.Movies;
@ -828,7 +830,16 @@ namespace MediaBrowser.Api.Library
var filename = (Path.GetFileName(path) ?? string.Empty).Replace("\"", string.Empty);
if (!string.IsNullOrWhiteSpace(filename))
{
headers[HeaderNames.ContentDisposition] = "attachment; filename=\"" + filename + "\"";
// Kestrel doesn't support non-ASCII characters in headers
if (Regex.IsMatch(filename, "[^[:ascii:]]"))
{
// Manually encoding non-ASCII characters, following https://tools.ietf.org/html/rfc5987#section-3.2.2
headers[HeaderNames.ContentDisposition] = "attachment; filename*=UTF-8''" + WebUtility.UrlEncode(filename);
}
else
{
headers[HeaderNames.ContentDisposition] = "attachment; filename=\"" + filename + "\"";
}
}
return ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions