39 lines
1.2 KiB
C#
39 lines
1.2 KiB
C#
using Microsoft.AspNetCore.Http;
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namespace MareSynchronosShared;
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public static class Extensions
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{
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private static long _noIpCntr = 0;
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public static string GetIpAddress(this IHttpContextAccessor accessor)
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{
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try
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{
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if (!string.IsNullOrEmpty(accessor.HttpContext.Request.Headers["CF-CONNECTING-IP"]))
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return accessor.HttpContext.Request.Headers["CF-CONNECTING-IP"];
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if (!string.IsNullOrEmpty(accessor.HttpContext.Request.Headers["X-Forwarded-For"]))
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{
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return accessor.HttpContext.Request.Headers["X-Forwarded-For"];
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}
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var ipAddress = accessor.HttpContext.GetServerVariable("HTTP_X_FORWARDED_FOR");
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if (!string.IsNullOrWhiteSpace(ipAddress))
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{
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var addresses = ipAddress.Split(',', StringSplitOptions.RemoveEmptyEntries);
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var lastEntry = addresses.LastOrDefault();
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if (lastEntry != null)
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{
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return lastEntry;
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}
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}
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return accessor.HttpContext.Connection.RemoteIpAddress?.ToString() ?? "NoIp";
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}
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catch
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{
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return "NoIp" + _noIpCntr++;
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}
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}
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} |