using Microsoft.AspNetCore.Http;
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namespace Admin.NET.Core
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{
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public static class IPUtil
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{
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/// <summary>
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/// 获取请求的ip4
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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public static string GetRequestIPv4(this HttpContext context)
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{
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string ip = string.Empty;
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if (context.Connection.RemoteIpAddress != null)
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{
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if (context.Request.Headers.ContainsKey("X-Real-IP"))
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{
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ip = context.Request.Headers["X-Real-IP"].FirstOrDefault();
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}
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if (context.Request.Headers.ContainsKey("X-Forwarded-For"))
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{
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ip = context.Request.Headers["X-Forwarded-For"].FirstOrDefault();
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}
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if (string.IsNullOrEmpty(ip))
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{
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ip = context.Connection.RemoteIpAddress?.MapToIPv4()?.ToString();
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}
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}
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return ip;
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}
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}
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}
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