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Code Issues Releases Wiki Activity

Fixed: Real IP Logging when IPv4 mapped as IPv6 (#6362)

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Robin Dadswell 2021-05-30 14:21:06 +01:00 committed by GitHub
parent ba1637087e
commit 6f0d5a0583
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1 changed files with 15 additions and 2 deletions
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17
src/Radarr.Http/Extensions/RequestExtensions.cs
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@ -95,10 +95,23 @@ public static string GetRemoteIP(this NancyContext context)
} }
var remoteAddress = context.Request.UserHostAddress; var remoteAddress = context.Request.UserHostAddress;
IPAddress remoteIP;
IPAddress.TryParse(remoteAddress, out IPAddress remoteIP);
if (remoteIP == null)
{
return remoteAddress;
}
if (remoteIP.IsIPv4MappedToIPv6)
{
remoteIP = remoteIP.MapToIPv4();
}
remoteAddress = remoteIP.ToString();
// Only check if forwarded by a local network reverse proxy // Only check if forwarded by a local network reverse proxy
if (IPAddress.TryParse(remoteAddress, out remoteIP) && remoteIP.IsLocalAddress()) if (remoteIP.IsLocalAddress())
{ {
var realIPHeader = context.Request.Headers["X-Real-IP"]; var realIPHeader = context.Request.Headers["X-Real-IP"];
if (realIPHeader.Any()) if (realIPHeader.Any())