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@@ -0,0 +1,636 @@
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+using System.Collections.Generic;
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+using System.IO;
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+using System.Net;
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+using System.Text;
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+using System.Web;
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+
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+using System;
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+using System.Text.RegularExpressions;
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+using System.Web.SessionState;
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+using System.Net.Security;
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+using System.Security.Cryptography.X509Certificates;
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+
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+namespace LeaRun.Util
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+{
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+
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+
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+
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+ public static class WebHelper
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+ {
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+ #region Host(获取主机名)
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+
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+
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+
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+
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+
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+
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+ public static string Host
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+ {
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+ get
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+ {
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+ return HttpContext.Current.Request.Url.Host;
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+ }
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+ }
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+ #endregion
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+
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+ #region ResolveUrl(解析相对Url)
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+
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+
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+
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+
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+
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+ public static string ResolveUrl(string relativeUrl)
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+ {
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+ if (string.IsNullOrWhiteSpace(relativeUrl))
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+ return string.Empty;
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+ relativeUrl = relativeUrl.Replace("\\", "/");
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+ if (relativeUrl.StartsWith("/"))
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+ return relativeUrl;
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+ if (relativeUrl.Contains("://"))
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+ return relativeUrl;
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+ return VirtualPathUtility.ToAbsolute(relativeUrl);
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+ }
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+
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+ #endregion
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+
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+ #region HtmlEncode(对html字符串进行编码)
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+
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+
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+
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+
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+
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+ public static string HtmlEncode(string html)
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+ {
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+ return HttpUtility.HtmlEncode(html);
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+ }
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+
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+
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+
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+
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+ public static string HtmlDecode(string html)
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+ {
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+ return HttpUtility.HtmlDecode(html);
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+ }
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+
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+ #endregion
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+
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+ #region UrlEncode(对Url进行编码)
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+
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+
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+
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+
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+
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+
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+ public static string UrlEncode(string url, bool isUpper = false)
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+ {
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+ return UrlEncode(url, Encoding.UTF8, isUpper);
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+ }
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+
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+
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+
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+
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+
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+
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+
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+ public static string UrlEncode(string url, Encoding encoding, bool isUpper = false)
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+ {
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+ var result = HttpUtility.UrlEncode(url, encoding);
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+ if (!isUpper)
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+ return result;
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+ return GetUpperEncode(result);
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+ }
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+
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+
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+
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+
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+ private static string GetUpperEncode(string encode)
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+ {
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+ var result = new StringBuilder();
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+ int index = int.MinValue;
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+ for (int i = 0; i < encode.Length; i++)
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+ {
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+ string character = encode[i].ToString();
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+ if (character == "%")
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+ index = i;
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+ if (i - index == 1 || i - index == 2)
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+ character = character.ToUpper();
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+ result.Append(character);
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+ }
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+ return result.ToString();
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+ }
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+
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+ #endregion
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+
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+ #region UrlDecode(对Url进行解码)
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+
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+
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+
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+
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+
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+ public static string UrlDecode(string url)
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+ {
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+ return HttpUtility.UrlDecode(url);
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+ }
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+
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+
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+
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+
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+
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+
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+ public static string UrlDecode(string url, Encoding encoding)
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+ {
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+ return HttpUtility.UrlDecode(url, encoding);
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+ }
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+
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+ #endregion
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+
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+ #region Session操作
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+
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+
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+
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+
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+
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+
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+ public static void WriteSession<T>(string key, T value)
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+ {
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+
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+
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+ HttpContext.Current.Session[key] = value;
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+ HttpContext.Current.Session.Timeout = 60;
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+ }
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+
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+
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+
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+
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+
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+
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+ public static void WriteSession(string key, string value)
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+ {
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+ WriteSession<string>(key, value);
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+ }
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+
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+
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+
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+
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+
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+ public static string GetSession(string key)
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+ {
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+
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+
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+ if (HttpContext.Current.Session[key] != null)
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+ return HttpContext.Current.Session[key] as string;
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+ else
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+ return "";
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+ }
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+
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+
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+
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+
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+ public static void RemoveSession(string key)
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+ {
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+
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+
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+ HttpContext.Current.Session.Contents.Remove(key);
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+ }
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+
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+ #endregion
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+
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+ #region Cookie操作
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+
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+
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+
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+
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+
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+ public static void WriteCookie(string strName, string strValue)
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+ {
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+ HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
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+ if (cookie == null)
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+ {
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+ cookie = new HttpCookie(strName);
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+ }
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+ cookie.Value = strValue;
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+ HttpContext.Current.Response.AppendCookie(cookie);
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+ }
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+
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+
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+
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+
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+
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+
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+ public static void WriteCookie(string strName, string strValue, int expires)
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+ {
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+ HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
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+ if (cookie == null)
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+ {
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+ cookie = new HttpCookie(strName);
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+ }
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+ cookie.Value = strValue;
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+ cookie.Expires = DateTime.Now.AddMinutes(expires);
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+ HttpContext.Current.Response.AppendCookie(cookie);
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+ }
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+
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+
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+
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+
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+
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+ public static string GetCookie(string strName)
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+ {
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+ if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null)
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+ {
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+ return HttpContext.Current.Request.Cookies[strName].Value.ToString();
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+ }
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+ return "";
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+ }
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+
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+
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+
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+
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+ public static void RemoveCookie(string CookiesName)
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+ {
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+ HttpCookie objCookie = new HttpCookie(CookiesName.Trim());
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+ objCookie.Expires = DateTime.Now.AddYears(-5);
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+ HttpContext.Current.Response.Cookies.Add(objCookie);
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+ }
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+ #endregion
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+
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+ #region GetFileControls(获取客户端文件控件集合)
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+
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+
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+
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+
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+
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+ public static List<HttpPostedFile> GetFileControls()
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+ {
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+ var result = new List<HttpPostedFile>();
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+ var files = HttpContext.Current.Request.Files;
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+ if (files.Count == 0)
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+ return result;
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+ for (int i = 0; i < files.Count; i++)
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+ {
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+ var file = files[i];
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+ if (file.ContentLength == 0)
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+ continue;
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+ result.Add(files[i]);
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+ }
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+ return result;
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+ }
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+
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+ #endregion
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+
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+ #region GetFileControl(获取第一个有效客户端文件控件)
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+
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+
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+
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+
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+
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+ public static HttpPostedFile GetFileControl()
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+ {
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+ var files = GetFileControls();
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+ if (files == null || files.Count == 0)
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+ return null;
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+ return files[0];
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+ }
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+
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+ #endregion
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+
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+ #region HttpWebRequest(请求网络资源)
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+
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+
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+
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+
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+
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+ public static string HttpWebRequest(string url)
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+ {
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+ return HttpWebRequest(url, string.Empty, Encoding.GetEncoding("utf-8"));
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+ }
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+
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+
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+
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+
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+
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+
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+ public static string HttpWebRequest(string url, string parameters)
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+ {
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+ return HttpWebRequest(url, parameters, Encoding.GetEncoding("utf-8"), "POST");
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+ }
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+
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+
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+
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+
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+
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+
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+ public static string HttpWebRequest(string url, string parameters, string contentType, string Authorization, string app_key)
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+ {
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+ return HttpWebRequest(url, parameters, Encoding.GetEncoding("utf-8"), "POST", contentType, Authorization, app_key);
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+ }
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+
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+
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+
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+
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+
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+
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+ public static string HttpWebRequest(string url, string parameters, string mehtod, string contentType, string Authorization, string app_key)
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+ {
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+ return HttpWebRequest(url, parameters, Encoding.GetEncoding("utf-8"), mehtod, contentType, Authorization, app_key);
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+ }
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+ public static string HttpWebRequest(string url, string parameters, Encoding encoding, string mehtod = "POST",
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+ string contentType = "application/x-www-form-urlencoded", string Authorization = null, string app_key = null, CookieContainer cookie = null, int timeout = 120000)
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+ {
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+ HttpWebRequest request = null;
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+ try
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+ {
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+
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+ if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
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+ {
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+
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+
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+
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+
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+
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+
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+
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+
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+ }
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+ else
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+ {
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+ request = WebRequest.Create(url) as HttpWebRequest;
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+ }
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+
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+ request.Timeout = timeout;
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+ if (!string.IsNullOrEmpty(Authorization))
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+ {
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+ request.Headers["Authorization"] = Authorization;
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+ }
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+ if (!string.IsNullOrEmpty(app_key))
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+ {
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+ request.Headers["app_key"] = app_key;
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+ }
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+ request.CookieContainer = cookie;
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+ request.ContentType = contentType;
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+ request.Method = mehtod;
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+ if (mehtod == "POST")
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+ {
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+ byte[] postData = encoding.GetBytes(parameters);
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+ request.Method = "POST";
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+ request.ContentType = contentType;
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+ request.ContentLength = postData.Length;
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+ using (Stream stream = request.GetRequestStream())
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+ {
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+ stream.Write(postData, 0, postData.Length);
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+ }
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+ }
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+ if (mehtod == "PUT")
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+ {
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+ using (StreamWriter requestStream = new StreamWriter(request.GetRequestStream()))
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+ {
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+ requestStream.Write(parameters);
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+ }
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+ }
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+
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+ var response = (HttpWebResponse)request.GetResponse();
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+ string result;
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+ using (Stream stream = response.GetResponseStream())
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+ {
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+ if (stream == null)
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+ return string.Empty;
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+ using (var reader = new StreamReader(stream, encoding))
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+ {
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+ result = reader.ReadToEnd();
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+ }
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+ }
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+ return result;
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+ }
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+ catch (Exception ex)
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+ {
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+ throw ex;
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+ }
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+ }
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+
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+ private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
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+ {
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+ return true;
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+ }
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+ private static X509Certificate2 GetSentosaCertificate()
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+ {
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+ X509Store userCaStore = new X509Store(StoreName.My, StoreLocation.LocalMachine);
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+ try
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+ {
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+ userCaStore.Open(OpenFlags.ReadOnly);
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+ X509Certificate2Collection certificatesInStore = userCaStore.Certificates;
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+ X509Certificate2Collection findResult = certificatesInStore.Find(X509FindType.FindBySubjectName, "server", true);
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+ X509Certificate2 clientCertificate = null;
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+ if (findResult.Count == 1)
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+ {
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+ clientCertificate = findResult[0];
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+ }
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+ else
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+ {
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+ throw new Exception("Unable to locate the correct client certificate.");
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+ }
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+ return clientCertificate;
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+ }
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+ catch
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+ {
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+ throw;
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+ }
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+ finally
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+ {
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+ userCaStore.Close();
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+ }
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+ }
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+ #endregion
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+
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+ #region 去除HTML标记
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+
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+
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+
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+
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+
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+ public static string NoHtml(string Htmlstring)
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+ {
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+
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+ Htmlstring = Regex.Replace(Htmlstring, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
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+
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+ Htmlstring = Regex.Replace(Htmlstring, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"<!--.*", "", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"&#(\d+);", "", RegexOptions.IgnoreCase);
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+ Htmlstring = Regex.Replace(Htmlstring, @"…", "", RegexOptions.IgnoreCase);
|
|
|
+ Htmlstring = Regex.Replace(Htmlstring, @"—", "", RegexOptions.IgnoreCase);
|
|
|
+ Htmlstring = Regex.Replace(Htmlstring, @"“", "", RegexOptions.IgnoreCase);
|
|
|
+ Htmlstring.Replace("<", "");
|
|
|
+ Htmlstring = Regex.Replace(Htmlstring, @"”", "", RegexOptions.IgnoreCase);
|
|
|
+ Htmlstring.Replace(">", "");
|
|
|
+ Htmlstring.Replace("\r\n", "");
|
|
|
+ Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();
|
|
|
+ return Htmlstring;
|
|
|
+
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ #region 格式化文本（防止SQL注入）
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ public static string Formatstr(string html)
|
|
|
+ {
|
|
|
+ System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"<script[\s\S]+</script *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex(@" href *= *[\s\S]*script *:", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex(@" on[\s\S]*=", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex(@"<iframe[\s\S]+</iframe *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"<frameset[\s\S]+</frameset *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ System.Text.RegularExpressions.Regex regex10 = new System.Text.RegularExpressions.Regex(@"select", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ System.Text.RegularExpressions.Regex regex11 = new System.Text.RegularExpressions.Regex(@"update", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ System.Text.RegularExpressions.Regex regex12 = new System.Text.RegularExpressions.Regex(@"delete", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
|
+ html = regex1.Replace(html, "");
|
|
|
+ html = regex2.Replace(html, "");
|
|
|
+ html = regex3.Replace(html, " _disibledevent=");
|
|
|
+ html = regex4.Replace(html, "");
|
|
|
+ html = regex10.Replace(html, "s_elect");
|
|
|
+ html = regex11.Replace(html, "u_pudate");
|
|
|
+ html = regex12.Replace(html, "d_elete");
|
|
|
+ html = html.Replace("'", "’");
|
|
|
+ html = html.Replace(" ", " ");
|
|
|
+ return html;
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ #region 根据OneNet平台的鉴权修改Http请求
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ public static string HttpWebRequest_oneNet(string url, string parameters, Encoding encoding, string mehtod = "POST",
|
|
|
+ string contentType = "application/x-www-form-urlencoded", string Authorization = null, string api_key = null, CookieContainer cookie = null, int timeout = 120000)
|
|
|
+ {
|
|
|
+ mehtod = mehtod.ToUpper();
|
|
|
+ HttpWebRequest request = null;
|
|
|
+ try
|
|
|
+ {
|
|
|
+
|
|
|
+ if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
|
|
|
+ {
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ request = WebRequest.Create(url) as HttpWebRequest;
|
|
|
+ }
|
|
|
+
|
|
|
+ request.Timeout = timeout;
|
|
|
+ if (!string.IsNullOrEmpty(Authorization))
|
|
|
+ {
|
|
|
+ request.Headers["Authorization"] = Authorization;
|
|
|
+ }
|
|
|
+ if (!string.IsNullOrEmpty(api_key))
|
|
|
+ {
|
|
|
+ request.Headers["api-key"] = api_key;
|
|
|
+ }
|
|
|
+ request.CookieContainer = cookie;
|
|
|
+ request.ContentType = contentType;
|
|
|
+ request.Method = mehtod;
|
|
|
+ if (mehtod == "POST")
|
|
|
+ {
|
|
|
+ byte[] postData = encoding.GetBytes(parameters);
|
|
|
+ request.Method = "POST";
|
|
|
+ request.ContentType = contentType;
|
|
|
+ request.ContentLength = postData.Length;
|
|
|
+ using (Stream stream = request.GetRequestStream())
|
|
|
+ {
|
|
|
+ stream.Write(postData, 0, postData.Length);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (mehtod == "PUT")
|
|
|
+ {
|
|
|
+ using (StreamWriter requestStream = new StreamWriter(request.GetRequestStream()))
|
|
|
+ {
|
|
|
+ requestStream.Write(parameters);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ var response = (HttpWebResponse)request.GetResponse();
|
|
|
+ string result;
|
|
|
+ using (Stream stream = response.GetResponseStream())
|
|
|
+ {
|
|
|
+ if (stream == null)
|
|
|
+ return string.Empty;
|
|
|
+ using (var reader = new StreamReader(stream, encoding))
|
|
|
+ {
|
|
|
+ result = reader.ReadToEnd();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+ }
|
|
|
+ catch (Exception ex)
|
|
|
+ {
|
|
|
+ return "接口调用错误";
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ #endregion
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+}
|
