HTTPHelper.cs
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using NCC.Code;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
//using System.Net.Http.Formatting;
using System.Net.Http.Headers;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;
using System.Web;
namespace Antis.Pay.Core
{
public static class HTTPHelper
{
private static string USER_AGENT = string.Format("WXPaySDK/{3} ({0}) .net/{1} {2}", Environment.OSVersion, Environment.Version, WepayConfig.WEPAY_APP_MCH_ID, typeof(HTTPHelper).Assembly.GetName().Version);
public static string Post(string url, string content, string contentType = "application/x-www-form-urlencoded")
{
string result = string.Empty;
try
{
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(contentType));
var stringContent = new StringContent(content, Encoding.UTF8);
var response = client.PostAsync(url, stringContent).Result;
result = response.Content.ReadAsStringAsync().Result;
}
}
catch (Exception e)
{
throw new Exception("POST请求错误" + e.ToString());
}
return result;
}
public static string Post(string url, string xml, bool isUseCert, int timeout)
{
System.GC.Collect();//垃圾回收，回收没有正常关闭的http连接
string result = "";//返回结果
HttpWebRequest request = null;
HttpWebResponse response = null;
Stream reqStream = null;
try
{
//设置最大连接数
ServicePointManager.DefaultConnectionLimit = 200;
Log4jHelper.LogInfo($"https验证方式之前");
//设置https验证方式
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
Log4jHelper.LogInfo($"进入https验证方式");
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback(CheckValidationResult);
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3
| SecurityProtocolType.Tls
| (SecurityProtocolType)0x300 //Tls11
| (SecurityProtocolType)0xC00; //Tls12
}
/***************************************************************
* 下面设置HttpWebRequest的相关属性
* ************************************************************/
request = (HttpWebRequest)WebRequest.Create(url);
request.UserAgent = USER_AGENT;
request.Method = "POST";
request.Timeout = timeout * 1000;
//设置代理服务器
//WebProxy proxy = new WebProxy(); //定义一个网关对象
//proxy.Address = new Uri(WxPayConfig.PROXY_URL); //网关服务器端口:端口
//request.Proxy = proxy;
//设置POST的数据类型和长度
request.ContentType = "text/xml";
byte[] data = System.Text.Encoding.UTF8.GetBytes(xml);
request.ContentLength = data.Length;
//是否使用证书
if (isUseCert)
{
string path = HttpContext.Current.Request.PhysicalApplicationPath;
X509Certificate2 cert = new X509Certificate2(path + WepayConfig.WECHAT_SSlCertPath, WepayConfig.WECHAT_SSlCertPass);
request.ClientCertificates.Add(cert);
Log4jHelper.LogInfo($"使用证书"+cert);
}
//往服务器写入数据
reqStream = request.GetRequestStream();
reqStream.Write(data, 0, data.Length);
reqStream.Close();
//获取服务端返回
response = (HttpWebResponse)request.GetResponse();
//获取服务端返回数据
StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
result = sr.ReadToEnd().Trim();
sr.Close();
}
catch (System.Threading.ThreadAbortException e)
{
Log4jHelper.LogInfo($"ThreadAbortException异常 {e.Message}");
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
Log4jHelper.LogInfo($"WebException异常 {e.Message}");
if (e.Status == WebExceptionStatus.ProtocolError)
{
//Log.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
//Log.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw;
}
catch (Exception e)
{
Log4jHelper.LogInfo($"Exception异常 {e.Message}");
throw;
}
finally
{
//关闭连接和流
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
}
return result;
}
public static string Get(string url, int timeout, string contentType = "application/x-www-form-urlencoded")
{
string result = string.Empty;
try
{
using (var client = new HttpClient())
{
client.Timeout = new TimeSpan(0, 0, 0, 0, timeout);
var response = client.GetAsync(url).Result;
result = response.Content.ReadAsStringAsync().Result;
};
}
catch (Exception e)
{
throw new Exception("GET请求错误" + e.ToString());
}
return result;
}
public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
//直接确认，否则打不开
return true;
}
}
}