using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Net.Http;
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using System.Net.Security;
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using System.Security.Cryptography.X509Certificates;
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using System.Text;
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using System.Threading.Tasks;
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namespace iWareCommon.Utils
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{
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public static class SSLUtil
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{
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public static void SetCertificatePolicy_New()
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{
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//当在浏览器中可以正常访问，而code中出现错误时，可以用fiddle看下正常访问的SSl加密认证的版本号
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ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
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ServicePointManager.ServerCertificateValidationCallback =
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new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
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}
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public 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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/// <summary>
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/// Sets the cert policy.
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/// </summary>
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public static WebRequestHandler SetCertificatePolicy2()
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{
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var handler = new WebRequestHandler();
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ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
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handler.ServerCertificateValidationCallback += RemoteCertificateValidate;
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return handler;
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}
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/// <summary>
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/// Sets the cert policy.
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/// </summary>
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public static HttpClientHandler SetCertificatePolicy3()
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{
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HttpClientHandler clientHandler = new HttpClientHandler();
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ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
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//clientHandler.ServerCertificateCustomValidationCallback = (sender, cert, chain, sslPolicyErrors) => { return true; };
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return clientHandler;
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}
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/// <summary>
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/// Sets the cert policy.
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/// </summary>
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public static void SetCertificatePolicy()
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{
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ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
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ServicePointManager.ServerCertificateValidationCallback
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+= RemoteCertificateValidate;
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}
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/// <summary>
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/// Remotes the certificate validate.
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/// </summary>
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private static bool RemoteCertificateValidate(
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object sender, X509Certificate cert,
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X509Chain chain, SslPolicyErrors error)
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{
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// trust any certificate!!!
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System.Console.WriteLine("Warning, trust any certificate");
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return true;
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}
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}
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}
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