软件升级相关代码

Update/Update/WebClientUtils.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Cache;
+using System.Net.Security;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+
+namespace Update
+{
+    public class WebClientUtils : WebClient
+    {/// <summary>
+     /// 默认超时多少秒
+     /// </summary>
+        public int Timeout = 100;
+        /// <summary>
+        /// 允许自动重定向
+        /// </summary>
+        public bool AllowAutoRedirect = true;
+        public bool IsDelete = false;
+
+        private string OutIP = "";
+        /// <summary>
+        /// 证书列表
+        /// </summary>
+        public static List<Certificate> X509List = new List<Certificate>();
+        /// <summary>
+        /// 绑定IP
+        /// </summary>
+        /// <param name="outIp"></param>
+        public WebClientUtils(string outIp)
+        {
+            OutIP = outIp;
+            CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
+        }
+
+        public WebClientUtils()
+        {
+        }
+        /// <summary>
+        /// 重写
+        /// </summary>
+        /// <param name="address"></param>
+        /// <returns></returns>
+        protected override WebRequest GetWebRequest(Uri address)
+        {
+            string s = address.ToString();
+            if (string.IsNullOrEmpty(s) || s.Length < 7 || !(s.Substring(0, 7).ToLower() == "http://" || s.Substring(0, 8).ToLower() == "https://"))
+                return null;
+            var request = (HttpWebRequest)base.GetWebRequest(address);
+            request.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
+            request.Timeout = 1000 * Timeout;
+            request.ReadWriteTimeout = 500 * Timeout;
+            request.AllowAutoRedirect = AllowAutoRedirect;
+            ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(ValidateServerCertificate);
+            if (IsDelete)
+                request.Method = "DELETE";
+            if (!string.IsNullOrEmpty(OutIP))
+            {
+                request.ServicePoint.BindIPEndPointDelegate = (servicePoint, remoteEndPoint, retryCount) =>
+                {
+                    servicePoint.MaxIdleTime = 20;
+                    return new IPEndPoint(IPAddress.Parse(OutIP), 0);
+                };
+            }
+            if (request.RequestUri.Scheme == "https") //挂接验证服务端证书的回调
+            {
+                X509Certificate2 x509c = null;
+                for (int i = 0; i < X509List.Count; i++)
+                {
+                    if (X509List[i].Domain.ToLower() == address.Host.ToLower())
+                    {
+                        x509c = X509List[i].X509;
+                        break;
+                    }
+                }
+                if (x509c == null)
+                {
+                    ServicePointManager.ServerCertificateValidationCallback =
+                        new RemoteCertificateValidationCallback(RemoteCertificateValidationCallback);
+                    try
+                    {
+                        X509Store _store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
+                        _store.Open(OpenFlags.ReadWrite);
+                        string findValue = Dns.GetHostName(); //获取本地主机名称作为证书查找的参数
+                        X509Certificate2Collection _certsCollection =
+                            _store.Certificates.Find(X509FindType.FindByIssuerName, findValue, false);
+                        if (_certsCollection.Count > 0)
+                        {
+                            x509c = _certsCollection[0];
+                            request.ClientCertificates.Add(x509c);
+                        }
+                    }
+                    catch { }
+
+                }
+            }
+            return request;
+        }
+
+        /// <summary>
+        /// 获取证书
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="certificate"></param>
+        /// <param name="chain"></param>
+        /// <param name="sslPolicyErrors"></param>
+        /// <returns></returns>
+        public bool RemoteCertificateValidationCallback(Object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
+        {
+            return true;
+        }
+
+        public static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
+        {
+            //if (sslPolicyErrors == SslPolicyErrors.None) {
+            //  return true;
+            //}
+
+            //Console.WriteLine("Certificate error: {0}", sslPolicyErrors);
+
+            //// Do not allow this client to communicate with unauthenticated servers.
+            //return false;
+
+            return true;
+        }
+    }
+
+    /// <summary>
+    /// 网站证书
+    /// </summary>
+    public class Certificate
+    {
+        /// <summary>
+        /// 域名
+        /// </summary>
+        public string Domain { get; set; }
+        /// <summary>
+        /// 证书
+        /// </summary>
+        public X509Certificate2 X509 { get; set; }
+    }
+}