Simplify X-Forwarded-For handling

This happens in asp.net middleware now

Co-Authored-By: ta264 <ta264@users.noreply.github.com>

(cherry picked from commit 16e2d130e6a2e7239bcfe92187a7f990f93eff00)
pull/3119/head
Qstick 2 years ago
parent 980f8f0408
commit 73a3e3f4e3

@ -162,39 +162,7 @@ namespace Lidarr.Http.Extensions
remoteIP = remoteIP.MapToIPv4();
}
var remoteAddress = remoteIP.ToString();
// Only check if forwarded by a local network reverse proxy
if (remoteIP.IsLocalAddress())
{
var realIPHeader = request.Headers["X-Real-IP"];
if (realIPHeader.Any())
{
return realIPHeader.First().ToString();
}
var forwardedForHeader = request.Headers["X-Forwarded-For"];
if (forwardedForHeader.Any())
{
// Get the first address that was forwarded by a local IP to prevent remote clients faking another proxy
foreach (var forwardedForAddress in forwardedForHeader.SelectMany(v => v.Split(',')).Select(v => v.Trim()).Reverse())
{
if (!IPAddress.TryParse(forwardedForAddress, out remoteIP))
{
return remoteAddress;
}
if (!remoteIP.IsLocalAddress())
{
return forwardedForAddress;
}
remoteAddress = forwardedForAddress;
}
}
}
return remoteAddress;
return remoteIP.ToString();
}
public static void DisableCache(this IHeaderDictionary headers)

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