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  • C# 伪造 referer 提交数据

     private string SendRequest(string account, string cardNumber, string cardPass)
         {
             
    string targetUrl = https://xxx.com/;//要提交数据的目标网站

                
    //提交的数据
             string postData = string.Format("ursName={0}&userName2={0}&cardNo={1}&cardPass={2}", account, cardNumber, cardPass);
     
             HttpWebRequest request 
    = (HttpWebRequest)WebRequest.Create(targetUrl);
             request.Method 
    = "POST";
             request.Referer 
    = http://www.xxx.com/jsp/xxx.jsp;
             byte[] bytes = Encoding.UTF8.GetBytes(postData);
             request.ContentType 
    = "application/x-www-form-urlencoded";
             request.ContentLength 
    = bytes.Length;
             Stream requestStream 
    = request.GetRequestStream();
             requestStream.Write(bytes, 
    0, bytes.Length);
     
             HttpWebResponse response 
    = (HttpWebResponse)request.GetResponse();
             StreamReader reader 
    = new StreamReader(response.GetResponseStream(), Encoding.Default);
             
    string responseText = reader.ReadToEnd();
     
             
    string res = "成功!";
             
    if (responseText.Contains("errorID"))
             {
                 
    string errorDetailPage = new System.Text.RegularExpressions.Regex(@"URL=(?<url>.*?)"">",
                     System.Text.RegularExpressions.RegexOptions.IgnoreCase 
    | System.Text.RegularExpressions.RegexOptions.Multiline
                     ).Match(responseText).Groups[
    "url"].Value;
     
                 HttpWebRequest requestErrorInfo 
    = (HttpWebRequest)WebRequest.Create(errorDetailPage);
                 requestErrorInfo.Method 
    = "GET";
                 requestErrorInfo.Proxy 
    = request.Proxy;
                 HttpWebResponse responseErrorInfo 
    = (HttpWebResponse)requestErrorInfo.GetResponse();
                 StreamReader readerErrorInfo 
    = new StreamReader(responseErrorInfo.GetResponseStream(), Encoding.Default);
                 
    string responseTextErrorInfo = readerErrorInfo.ReadToEnd();
                 
    string errorDetailMessage = new System.Text.RegularExpressions.Regex(@"<h3>(?<info>.*?)<.*?</h3>",
                     System.Text.RegularExpressions.RegexOptions.IgnoreCase 
    | System.Text.RegularExpressions.RegexOptions.Multiline
                     ).Match(responseTextErrorInfo).Groups[
    "info"].Value.Replace("&nbsp;""");
     
     
                 res 
    = string.Format(@"失败!<br />错误信息:{0}<br /><a href=""{1}"" target=""_blank"">查看错误详情</a>", errorDetailMessage, errorDetailPage);
             }
     
             
    return res;
         }
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  • 原文地址:https://www.cnblogs.com/love2wllw/p/1504689.html
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