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core: generate magnet link from infohash and vice versa. resolves #8590 (#10087)

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* global list of public trackers
* infohash => magnet link (only in public trackers)
* magnet link => infohash
This commit is contained in:
Diego Heras
2020-11-02 17:43:13 +01:00
committed by GitHub
parent 9bd8f4d014
commit 14fdea164c
5 changed files with 141 additions and 1 deletions
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48
src/Jackett.Common/Utils/MagnetUtil.cs Normal file
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using System;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using Jackett.Common.Helpers;
namespace Jackett.Common.Utils
{
public static class MagnetUtil
{
// Update best trackers from https://github.com/ngosang/trackerslist
private static readonly NameValueCollection _Trackers = new NameValueCollection
{
{"tr", "udp://tracker.opentrackr.org:1337/announce"},
{"tr", "udp://tracker.coppersurfer.tk:6969/announce"},
{"tr", "udp://9.rarbg.to:2710/announce"},
{"tr", "udp://tracker.internetwarriors.net:1337/announce"},
{"tr", "udp://tracker.cyberia.is:6969/announce"},
{"tr", "udp://exodus.desync.com:6969/announce"},
{"tr", "udp://explodie.org:6969/announce"},
{"tr", "http://tracker1.itzmx.com:8080/announce"},
{"tr", "udp://tracker.tiny-vps.com:6969/announce"},
{"tr", "udp://open.stealth.si:80/announce"}
};
private static readonly string _TrackersEncoded = _Trackers.GetQueryString();
public static Uri InfoHashToPublicMagnet(string infoHash, string title)
{
if (string.IsNullOrWhiteSpace(infoHash) || string.IsNullOrWhiteSpace(title))
return null;
return new Uri($"magnet:?xt=urn:btih:{infoHash}&dn={WebUtilityHelpers.UrlEncode(title, Encoding.UTF8)}&{_TrackersEncoded}");
}
public static string MagnetToInfoHash(Uri magnet)
{
try
{
var xt = ParseUtil.GetArgumentFromQueryString(magnet.ToString(), "xt");
return xt.Split(':').Last(); // remove prefix urn:btih:
}
catch (Exception)
{
return null;
}
}
}
}