From b8146f623f70c8c1e74b86c8544948511d6f3fb5 Mon Sep 17 00:00:00 2001
From: kmicki <kamil.mickiewicz@gmail.com>
Date: Tue, 21 Feb 2017 09:21:37 +0100
Subject: [PATCH] Ensure proper filename of generated torrent (#1085)

Ensure that the filename of a torrent file sent to browser client
doesn't contain invalid character and thus preventing HTTP Error 500.
---
 src/Jackett/Controllers/DownloadController.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Jackett/Controllers/DownloadController.cs b/src/Jackett/Controllers/DownloadController.cs
index e3cdc9686..05edde180 100644
--- a/src/Jackett/Controllers/DownloadController.cs
+++ b/src/Jackett/Controllers/DownloadController.cs
@@ -56,6 +56,12 @@ namespace Jackett.Controllers
                 var torrentDictionary = BEncodedDictionary.DecodeTorrent(downloadBytes);
                 downloadBytes = torrentDictionary.Encode();
 
+				char[] invalidChars = System.IO.Path.GetInvalidFileNameChars();
+				for(int i=0;i<file.Count();i++)
+					if(invalidChars.Contains(file[i])) {
+						file = file.Remove(i, 1).Insert(i, " ");
+					}
+				
                 var result = new HttpResponseMessage(HttpStatusCode.OK);
                 result.Content = new ByteArrayContent(downloadBytes);
                 result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/x-bittorrent");