wcf 代理实例

通过过代理调用 wcf服务 

using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.ServiceModel;
using System.Threading.Tasks;

namespace wcfproxy.Common
{
    public interface IProxy
    {
        T SetProxy<T>();
    }
    public class Proxy : IProxy
    {
        private readonly IProxyOptions _proxyOptions;

        public Proxy(IOptionsSnapshot<IProxyOptions> proxyOptionsAccessor)
        {
            _proxyOptions = proxyOptionsAccessor.Value;
        }

        public T SetProxy<T>()
        {
            return GetHttpsProxy<T>();

        }
//HTTPS 请求
        private T GetHttpsProxy<T>() {

            var bindingHttps = new BasicHttpsBinding();
            bindingHttps.UseDefaultWebProxy = false;
            string proxyAdress = _proxyOptions.ProcyAdress;

            bindingHttps.ProxyAddress = new Uri(proxyAdress);//代理
            bindingHttps.Security.Mode = BasicHttpsSecurityMode.Transport;
            bindingHttps.Security.Transport.ClientCredentialType = HttpClientCredentialType.None;
            bindingHttps.Security.Transport.ProxyCredentialType = HttpProxyCredentialType.Basic;

            var endpointAddress = new EndpointAddress(_proxyOptions.EndpointAddress);

            var factory = new ChannelFactory<T>(bindingHttps, endpointAddress);
//安全证书
            factory.Credentials.ServiceCertificate.SslCertificateAuthentication = new System.ServiceModel.Security.X509ServiceCertificateAuthentication();
            factory.Credentials.ServiceCertificate.SslCertificateAuthentication.CertificateValidationMode = System.ServiceModel.Security.X509CertificateValidationMode.None;

            var serviceClient = (T)factory.CreateChannel();

            return serviceClient;
        }
//http 请求
        private T GetHttpProxy<T>() {
            var binding = new BasicHttpBinding();
            binding.UseDefaultWebProxy = false;

            string proxyAdress = _proxyOptions.ProcyAdress;

            binding.ProxyAddress = new Uri(proxyAdress);//代理
            binding.Security.Mode = BasicHttpSecurityMode.TransportCredentialOnly;
            binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.None;
            binding.Security.Transport.ProxyCredentialType = HttpProxyCredentialType.Basic;

            var endpointAddress = new EndpointAddress(_proxyOptions.EndpointAddress);

            var factory = new ChannelFactory<T>(binding, endpointAddress);

            var serviceClient = (T)factory.CreateChannel();

            return serviceClient;
        }

    }
    public static class Util
    {

        public static void SetCertificatePolicy()
        {
            ServicePointManager.ServerCertificateValidationCallback

                       += RemoteCertificateValidate;
        }

        private static bool RemoteCertificateValidate(

           object sender, X509Certificate cert,

            X509Chain chain, SslPolicyErrors error)

        {

            // trust any certificate!!!

            System.Console.WriteLine("Warning, trust any certificate");

            return true;

        }

    }
}

   public class IProxyOptions
    {
        /// <summary>
        /// 代理地址
        /// </summary>
        public string ProcyAdress { get; set; }

        /// <summary>
        /// EndpointAddress
        /// </summary>
        public string EndpointAddress { get; set; }
    }