CC.Common/Requests.cs

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namespace CC.Common
{
    using System;
    using System.Web;
    using System.Text.RegularExpressions;
    public class Requests
    {
        public static string Form(string name)
        {
            string str = HttpContext.Current.Request.Form[name];
            return ((str == null) ? string.Empty : str);
        }
        public static string Query(string name)
        {
            string str = HttpContext.Current.Request.QueryString[name];
            return ((str == null) ? string.Empty : str);
        }
        public static string All(string name)
        {
            string str2 = Form(name);
            if (str2 != string.Empty)
            {
                return str2;
            }
            str2 = Query(name);
            if (str2 != string.Empty)
            {
                return str2;
            }
            return "";
        }
        public static string GetPrevUrl()
        {
            string retVal = null;
            try
            {
                retVal = HttpContext.Current.Request.UrlReferrer.ToString();
            }
            catch { }

            if (retVal == null)
                return "";
            return retVal;
        }
        public static string GetIP()
        {
            string result = "0.0.0.0";
            try
            {
                result = HttpContext.Current.Request.Headers["Cdn-Src-Ip"];
                if (null == result || result == String.Empty)
                {
                    result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
                }
                if (null == result || result == String.Empty)
                {
                    result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
                }
                if (null == result || result == String.Empty)