wehub-resource-sync
37 lines
1.3 KiB
C#
37 lines
1.3 KiB
C#
using System.Text.RegularExpressions;
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namespace MCPForUnity.Editor.Security
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{
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/// <summary>
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/// Scrubs secrets out of text before it is logged or returned. Use on every error/log
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/// path that might contain an auth header or a key value.
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/// </summary>
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public static class SecretRedactor
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{
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private const string Mask = "***REDACTED***";
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// Authorization-scheme tokens: "Bearer xxx", "Key xxx", "Token xxx".
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private static readonly Regex SchemeToken = new Regex(
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@"\b(Bearer|Key|Token)\s+\S{6,}",
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RegexOptions.IgnoreCase | RegexOptions.Compiled);
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/// <summary>Redact auth-scheme tokens from arbitrary text (cheap; no store reads).</summary>
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public static string Scrub(string text)
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{
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if (string.IsNullOrEmpty(text)) return text;
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return SchemeToken.Replace(text, m => m.Groups[1].Value + " " + Mask);
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}
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/// <summary>Redact a specific known secret value as well as auth-scheme tokens.</summary>
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public static string Scrub(string text, string secret)
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{
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if (string.IsNullOrEmpty(text)) return text;
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if (!string.IsNullOrEmpty(secret) && secret.Length >= 4)
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{
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text = text.Replace(secret, Mask);
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}
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return Scrub(text);
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}
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}
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}
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