100 lines
3.3 KiB
C#
100 lines
3.3 KiB
C#
using Microsoft.AspNetCore.Http;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace Yi.Framework.Infrastructure.AspNetCore
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{
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public static class HttpContextExtensions
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{
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/// <summary>
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/// 设置文件下载名称
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/// </summary>
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/// <param name="httpContext"></param>
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/// <param name="fileName"></param>
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public static void FileInlineHandle(this HttpContext httpContext, string fileName)
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{
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string encodeFilename = System.Web.HttpUtility.UrlEncode(fileName, Encoding.GetEncoding("UTF-8"));
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httpContext.Response.Headers.Add("Content-Disposition", "inline;filename=" + encodeFilename);
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}
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/// <summary>
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/// 设置文件附件名称
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/// </summary>
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/// <param name="httpContext"></param>
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/// <param name="fileName"></param>
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public static void FileAttachmentHandle(this HttpContext httpContext, string fileName)
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{
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string encodeFilename = System.Web.HttpUtility.UrlEncode(fileName, Encoding.GetEncoding("UTF-8"));
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httpContext.Response.Headers.Add("Content-Disposition", "attachment;filename=" + encodeFilename);
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}
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/// <summary>
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/// 获取语言种类
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/// </summary>
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/// <param name="httpContext"></param>
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/// <returns></returns>
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public static string GetLanguage(this HttpContext httpContext)
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{
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string res = "zh-CN";
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var str = httpContext.Request.Headers["Accept-Language"].FirstOrDefault();
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if (str is not null)
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{
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res = str.Split(",")[0];
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}
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return res;
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}
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/// <summary>
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/// 判断是否为异步请求
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static bool IsAjaxRequest(this HttpRequest request)
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{
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string header = request.Headers["X-Requested-With"];
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return "XMLHttpRequest".Equals(header);
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}
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/// <summary>
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/// 获取客户端IP
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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 GetClientIp(this HttpContext context)
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{
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if (context == null) return "";
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var result = context.Request.Headers["X-Forwarded-For"].FirstOrDefault();
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if (string.IsNullOrEmpty(result))
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{
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result = context.Connection.RemoteIpAddress?.ToString();
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}
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if (string.IsNullOrEmpty(result) || result.Contains("::1"))
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result = "127.0.0.1";
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result = result.Replace("::ffff:", "127.0.0.1");
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//Ip规则效验
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var regResult = Regex.IsMatch(result, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
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result = regResult ? result : "127.0.0.1";
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return result;
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}
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/// <summary>
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/// 获取浏览器标识
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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 GetUserAgent(this HttpContext context)
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{
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return context.Request.Headers["User-Agent"];
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}
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}
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}
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