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Cleanse remote IP Address from trace log file

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This commit is contained in:
Taloth Saldono
2020-06-02 20:54:22 +02:00
committed by Qstick
parent 1fcb927b3b
commit 9ca291ecaf
2 changed files with 46 additions and 1 deletions
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26
src/NzbDrone.Common/Instrumentation/CleanseLogMessage.cs
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@@ -1,4 +1,6 @@
using System.Linq;
using System;
using System.Linq;
using System.Net;
using System.Text.RegularExpressions;
using NzbDrone.Common.Extensions;
@@ -41,6 +43,8 @@ namespace NzbDrone.Common.Instrumentation
new Regex(@"(?<=\?|&)(authkey|torrent_pass)=(?<secret>[^&=]+?)(?=""|&|$)", RegexOptions.Compiled | RegexOptions.IgnoreCase)
};
private static readonly Regex CleanseRemoteIPRegex = new Regex(@"(?:Auth-\w+(?<!Failure|Unauthorized) ip|from) (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})", RegexOptions.Compiled);
public static string Cleanse(string message)
{
if (message.IsNullOrWhiteSpace())
@@ -62,7 +66,27 @@ namespace NzbDrone.Common.Instrumentation
});
}
message = CleanseRemoteIPRegex.Replace(message, CleanseRemoteIP);
return message;
}
private static string CleanseRemoteIP(Match match)
{
var group = match.Groups[1];
var valueAll = match.Value;
var valueIP = group.Value;
if (IPAddress.TryParse(valueIP, out var address) && !address.IsLocalAddress())
{
var prefix = match.Value.Substring(0, group.Index - match.Index);
var postfix = match.Value.Substring(group.Index + group.Length - match.Index);
var items = valueIP.Split('.');
return $"{prefix}{items[0]}.*.*.{items[3]}{postfix}";
}
return match.Value;
}
}
}