/// <summary>
/// 执行HTTP GET请求。
/// </summary>
/// <param name="url">请求地址</param>
/// <param name="textParams">请求文本参数</param>
/// <param name="headerParams">请求头部参数</param>
/// <returns>HTTP响应</returns>
public string DoGet(string url, IDictionary <string, string> textParams, IDictionary <string, string> headerParams, out string proxyIp, bool useProxy = false)
{
if (textParams != null && textParams.Count > 0)
{
url = BuildRequestUrl(url, textParams);
}
HttpWebRequest req = GetWebRequest(url, "GET", headerParams, out proxyIp, useProxy);
req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
HttpWebResponse rsp;
try
{
rsp = req.GetResponse() as HttpWebResponse;
}
catch (WebException ex)
{
ProxyIpHelper.RemoveIp(proxyIp);
throw new BaseException($"{ex.Message}{proxyIp}");
}
Encoding encoding = GetResponseEncoding(rsp);
return(GetResponseAsString(rsp, encoding));
}
public HttpWebRequest GetWebRequest(string url, string method, IDictionary <string, string> headerParams, out string proxyIp, bool useProxy = false)
{
proxyIp = "";
HttpWebRequest req = null;
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
if (this._ignoreSSLCheck)
{
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(TrustAllValidationCallback);
}
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
req = (HttpWebRequest)WebRequest.CreateDefault(new Uri(url));
}
else
{
req = (HttpWebRequest)WebRequest.Create(url);
}
if (useProxy)
{
proxyIp = ProxyIpHelper.GetProxyIp();
WebProxy proxyObject = new WebProxy($"http://{proxyIp}/", true);
req.ProtocolVersion = HttpVersion.Version10;
req.Proxy = proxyObject;
}
if (headerParams != null && headerParams.Count > 0)
{
foreach (string key in headerParams.Keys)
{
req.Headers.Add(key, headerParams[key]);
}
}
req.ServicePoint.Expect100Continue = false;
req.Method = method;
req.KeepAlive = true;
//req.UserAgent = "top-sdk-net";
req.UserAgent = "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36";
//req.Accept = "text/xml,text/javascript";
req.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8";
req.Timeout = this._timeout;
req.ReadWriteTimeout = this._readWriteTimeout;
return(req);
}
public Task Execute(IJobExecutionContext context)
{
if (!isRun)
{
return(Task.Run(() =>
{
isRun = true;
Console.WriteLine($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")} 定时任务开始执行");
ProxyIpHelper proxyhelper = new ProxyIpHelper();
proxyhelper.start();
Console.WriteLine($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")} 定时任务执行完毕");
isRun = false;
}));
}
else
{
return(Task.Run(() =>
{
}));
}
}
