26 lines
880 B
C#
26 lines
880 B
C#
using System.Net;
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namespace LightlessSyncAuthService.Utils
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{
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public static class HttpContextAccessorExtensions
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{
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public static IPAddress? GetClientIpAddress(this IHttpContextAccessor accessor)
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{
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var context = accessor.HttpContext;
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if (context == null) return null;
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string[] headerKeys = { "CF-Connecting-IP", "X-Forwarded-For", "X-Real-IP" };
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foreach (var key in headerKeys)
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{
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if (context.Request.Headers.TryGetValue(key, out var values))
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{
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var ipCandidate = values.FirstOrDefault()?.Split(',').FirstOrDefault()?.Trim();
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if (IPAddress.TryParse(ipCandidate, out var parsed))
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return parsed;
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}
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}
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return context.Connection?.RemoteIpAddress;
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}
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}
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} |