using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System;
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using System.Net;
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using System.Text;
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using System.IO;
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using System.Net.Security;
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using System.Security.Cryptography.X509Certificates;
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public class HttpBehaviour : MonoBehaviour
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{
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string url;
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string method;
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string content;
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string contentType;
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int totalRetryTimes = 3;
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Action<bool, string> callBack;
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bool getResult = false;
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float timeOut = 0f;
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CookieContainer cookie;
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HttpWebRequest request;
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bool ok = false;
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string message = string.Empty;
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public static int ConnectAllTimes = 0;
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static HttpBehaviour()
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{
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ServicePointManager.ServerCertificateValidationCallback += RemoteCertificateValidationCallback;
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}
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public static void Create(string _url, string _method, string _content, string _contentType, int _retry = 3, Action<bool, string> _result = null)
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{
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var carrier = new GameObject();
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GameObject.DontDestroyOnLoad(carrier);
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carrier.hideFlags = HideFlags.HideInHierarchy;
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var behaviour = carrier.AddComponent<HttpBehaviour>();
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behaviour.Begin(_url, _method, _content, _contentType, _retry, _result);
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}
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void Begin(string _url, string _method, string _content, string _contentType, int _retry = 3, Action<bool, string> _result = null)
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{
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this.url = _url;
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this.method = _method;
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this.content = _content;
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this.contentType = _contentType;
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this.totalRetryTimes = _retry;
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this.callBack = _result;
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this.timeOut = Time.time + 5f;
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try
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{
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cookie = new CookieContainer();
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request = (HttpWebRequest)WebRequest.Create(_url);
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request.ServicePoint.Expect100Continue = false;
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request.Method = _method;
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request.ContentType = _contentType;
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request.CookieContainer = cookie;
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request.Timeout = 2000;
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request.ReadWriteTimeout = 2000;
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request.Proxy = null;
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request.KeepAlive = true; //设置为true，部分请求节点大文件会有问题，在请求完成后手动Abort释放
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}
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catch (Exception ex)
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{
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if (request != null)
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{
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request.Abort();
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}
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ok = false;
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message = ex.Message;
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getResult = true;
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}
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if (_method == "POST")
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{
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var data = Encoding.UTF8.GetBytes(_content);
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request.ContentLength = data.Length;
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try
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{
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var stream = request.BeginGetRequestStream(GetRequestStreamCallback, null);
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}
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catch (System.Exception ex)
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{
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if (request != null)
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{
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request.Abort();
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}
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ok = false;
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message = ex.Message;
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getResult = true;
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}
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}
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else
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{
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try
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{
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request.BeginGetResponse(OnHttpWebResponse, null);
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}
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catch (System.Exception ex)
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{
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if (request != null)
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{
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request.Abort();
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}
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ok = false;
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message = ex.Message;
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getResult = true;
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}
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}
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}
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private static bool RemoteCertificateValidationCallback(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
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{
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if (sslPolicyErrors == SslPolicyErrors.None)
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{
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return true;
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}
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var acceptCertificate = true;
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if ((sslPolicyErrors & SslPolicyErrors.RemoteCertificateNotAvailable) == SslPolicyErrors.RemoteCertificateNotAvailable)
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{
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acceptCertificate = false;
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}
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else
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{
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if ((sslPolicyErrors & SslPolicyErrors.RemoteCertificateNameMismatch) == SslPolicyErrors.RemoteCertificateNameMismatch)
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{
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acceptCertificate = false;
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}
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if ((sslPolicyErrors & SslPolicyErrors.RemoteCertificateChainErrors) == SslPolicyErrors.RemoteCertificateChainErrors)
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{
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foreach (X509ChainStatus item in chain.ChainStatus)
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{
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if (item.Status != X509ChainStatusFlags.RevocationStatusUnknown &&
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item.Status != X509ChainStatusFlags.OfflineRevocation)
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{
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break;
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}
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if (item.Status != X509ChainStatusFlags.NoError)
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{
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acceptCertificate = false;
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}
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}
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}
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}
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if (acceptCertificate == false)
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{
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acceptCertificate = true;
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}
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return acceptCertificate;
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}
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void Update()
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{
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if (Time.time > timeOut && !getResult)
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{
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if (request != null)
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{
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request.Abort();
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}
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ok = false;
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message = "TimeOut";
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getResult = true;
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}
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if (getResult)
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{
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try
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{
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DebugEx.LogFormat("Http 数据通信 {0},请求数据结果：{1},内容：{2}", this.url, ok, message);
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if (ok)
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{
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ConnectAllTimes = 0;
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}
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else
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{
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ConnectAllTimes++;
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}
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if (callBack != null)
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{
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callBack(ok, message);
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}
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}
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catch (Exception ex)
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{
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Debug.LogError(ex);
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}
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finally
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{
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callBack = null;
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request?.Abort();
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Destroy(this.gameObject);
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}
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}
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}
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private void GetRequestStreamCallback(IAsyncResult ar)
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{
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Stream postStream;
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try
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{
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postStream = request.EndGetRequestStream(ar);
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byte[] byteArray = Encoding.UTF8.GetBytes(content);
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postStream.Write(byteArray, 0, byteArray.Length);
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postStream.Close();
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request.BeginGetResponse(OnHttpWebResponse, request);
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}
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catch (Exception ex)
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{
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if (request != null)
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{
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request.Abort();
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}
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ok = false;
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message = ex.Message;
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getResult = true;
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}
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}
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private void OnHttpWebResponse(IAsyncResult _result)
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{
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HttpWebResponse response = null;
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try
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{
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response = request.EndGetResponse(_result) as HttpWebResponse;
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response.Cookies = cookie.GetCookies(response.ResponseUri);
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Stream myResponseStream = response.GetResponseStream();
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StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);
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string retString = myStreamReader.ReadToEnd();
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myStreamReader.Close();
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myResponseStream.Close();
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response.Close();
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request.Abort();
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ok = true;
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message = retString;
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}
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catch (System.Exception ex)
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{
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if (response != null)
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{
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response.Close();
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}
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if (request != null)
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{
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request.Abort();
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}
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ok = false;
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message = ex.Message;
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getResult = true;
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}
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finally
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{
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getResult = true;
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}
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}
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}
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