public Task<QQHttpResponse> ExecuteHttpRequest(QQHttpRequest request, IQQHttpListener listener)
{
return Task.Run(() =>
{
try
{
var httpItem = new HttpItem()
{
KeepAlive = true,
ProtocolVersion = HttpVersion.Version10,
ContentType = "application/x-www-form-urlencoded; charset=UTF-8", // post方法的时候必须填写，要不然服务器无法解析
Encoding = Encoding.UTF8,
Allowautoredirect = true,
Method = request.Method,
URL = request.Url,
ReadWriteTimeout = (request.ReadTimeout > 0) ? request.ReadTimeout : 100000,
Timeout = (request.ConnectTimeout > 0) ? request.ConnectTimeout : 30000,
ResultType = ResultType.Byte,
};
if (request.HeaderMap.ContainsKey("User-Agent"))
{
httpItem.UserAgent = request.HeaderMap["User-Agent"];
request.HeaderMap.Remove("User-Agent");
}
if (request.HeaderMap.ContainsKey("Referer"))
{
httpItem.Referer = request.HeaderMap["Referer"];
request.HeaderMap.Remove("Referer");
}
foreach (var header in request.HeaderMap)
{
httpItem.Header.Add(header.Key, header.Value);
}
httpItem.CookieContainer = _cookieContainer;
if (request.Method.Equals("POST"))
{
if (request.FileMap.Count > 0)
{
httpItem.PostDataType = PostDataType.FilePath;
httpItem.Postdata = "";
}
else if (request.PostMap.Count > 0)
{
httpItem.PostDataType = PostDataType.String;
httpItem.Postdata = request.InputString;
}
}
else if (request.Method.Equals("GET"))
{
}
else
{
throw new QQException(QQErrorCode.IO_ERROR, "not support http method:" + request.Method);
}
HttpResult result = new HttpHelper().GetHtml(httpItem);
QQHttpResponse response = new QQHttpResponse()
{
ResponseMessage = result.StatusDescription,
ResponseCode = (int)result.StatusCode,
ResponseData = result.ResultByte,
Headers = new Dictionary<string, List<string>>(),
};
if (result.Header != null)
{
foreach (string header in result.Header)
{
response.Headers.Add(header, result.Header[header]);
}
}
if (result.CookieCollection != null)
{
_cookieContainer.Add(result.CookieCollection);
}
if (listener != null)
{
listener.OnHttpHeader(response);
listener.OnHttpRead(0, response.GetContentLength());
listener.OnHttpFinish(response);
}
return response;
}
catch (IOException e)
{
throw new QQException(QQErrorCode.IO_ERROR, e);
}
catch (Exception e)
{
throw new QQException(QQErrorCode.UNKNOWN_ERROR, e);
}
});
}
/// <summary>
/// 设置代理
/// </summary>
/// <param name="item">参数对象</param>
private void SetProxy(HttpItem item)
{
if (!string.IsNullOrWhiteSpace(item.ProxyIp))
{
//设置代理服务器
if (item.ProxyIp.Contains(":"))
{
string[] plist = item.ProxyIp.Split(':');
WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim()));
//建议连接
myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
//给当前请求对象
request.Proxy = myProxy;
}
else
{
WebProxy myProxy = new WebProxy(item.ProxyIp, false);
//建议连接
myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
//给当前请求对象
request.Proxy = myProxy;
}
}
else if (item.WebProxy != null)
{
request.Proxy = item.WebProxy;
}
}
/// <summary>
/// 根据相传入的数据，得到相应页面数据
/// </summary>
/// <param name="item">参数类对象</param>
/// <returns>返回HttpResult类型</returns>
public HttpResult GetHtml(HttpItem item)
{
//返回参数
HttpResult result = new HttpResult();
result.Success = false;
try
{
//准备参数
SetRequest(item);
}
catch (Exception ex)
{
return new HttpResult()
{
Success = false,
Cookie = string.Empty,
Header = null,
Html = "配置参数时出错：" + ex.Message,
StatusDescription = "配置参数时出错：" + ex.Message
};
}
try
{
#region 得到请求的response
using (response = (HttpWebResponse)request.GetResponse())
{
result.StatusCode = response.StatusCode;
result.StatusDescription = response.StatusDescription;
result.Header = response.Headers;
if (response.Cookies != null) result.CookieCollection = response.Cookies;
if (response.Headers["set-cookie"] != null) result.Cookie = response.Headers["set-cookie"];
byte[] ResponseByte = null;
using (MemoryStream _stream = new MemoryStream())
{
//GZIIP处理
if (response.ContentEncoding != null && response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase))
{
//开始读取流并设置编码方式
new GZipStream(response.GetResponseStream(), CompressionMode.Decompress).CopyTo(_stream, 10240);
}
else
{
//开始读取流并设置编码方式
response.GetResponseStream().CopyTo(_stream, 10240);
}
//获取Byte
ResponseByte = _stream.ToArray();
}
if (ResponseByte != null & ResponseByte.Length > 0)
{
//是否返回Byte类型数据
if (item.ResultType == ResultType.Byte) result.ResultByte = ResponseByte;
//从这里开始我们要无视编码了
if (encoding == null)
{
Match meta = Regex.Match(Encoding.Default.GetString(ResponseByte), "<meta([^<]*)charset=([^<]*)[\"']", RegexOptions.IgnoreCase);
string c = (meta.Groups.Count > 1) ? meta.Groups[2].Value.ToLower().Trim() : string.Empty;
if (c.Length > 2)
{
try
{
if (c.IndexOf(" ") > 0) c = c.Substring(0, c.IndexOf(" "));
encoding = Encoding.GetEncoding(c.Replace("\"", "").Replace("'", "").Replace(";", "").Replace("iso-8859-1", "gbk").Trim());
}
catch
{
if (string.IsNullOrEmpty(response.CharacterSet)) encoding = Encoding.UTF8;
else encoding = Encoding.GetEncoding(response.CharacterSet);
}
}
else
{
if (string.IsNullOrEmpty(response.CharacterSet)) encoding = Encoding.UTF8;
else encoding = Encoding.GetEncoding(response.CharacterSet);
}
}
//得到返回的HTML
result.Html = encoding.GetString(ResponseByte);
}
else
{
//得到返回的HTML
result.Html = "本次请求并未返回任何数据";
}
result.Success = true;
}
#endregion
}
catch (WebException ex)
{
//这里是在发生异常时返回的错误信息
result.Success = false;
response = (HttpWebResponse)ex.Response;
if (response != null)
{
result.Html = string.Format("异常：{0}；状态码：{1}；状态信息：{2}", ex.Message, response.StatusCode, response.StatusDescription);
result.StatusCode = response.StatusCode;
result.StatusDescription = response.StatusDescription;
}
else
{
result.Html = ex.Message;
result.StatusCode = HttpStatusCode.NotFound;
result.StatusDescription = ex.Message;
}
}
catch (Exception ex)
{
result.StatusDescription = ex.Message;
result.Success = false;
result.Html = ex.Message;
result.StatusCode = HttpStatusCode.NotFound;
}
if (item.IsToLower) result.Html = result.Html.ToLower();
return result;
}
/// <summary>
/// 设置Post数据
/// </summary>
/// <param name="item">Http参数</param>
private void SetPostData(HttpItem item)
{
//验证在得到结果时是否有传入数据
if (request.Method.Trim().ToLower().Contains("post"))
{
if (item.PostEncoding != null)
{
postencoding = item.PostEncoding;
}
byte[] buffer = null;
//写入Byte类型
if (item.PostDataType == PostDataType.Byte && item.PostdataByte != null && item.PostdataByte.Length > 0)
{
//验证在得到结果时是否有传入数据
buffer = item.PostdataByte;
}//写入文件
else if (item.PostDataType == PostDataType.FilePath && !string.IsNullOrWhiteSpace(item.Postdata))
{
StreamReader r = new StreamReader(item.Postdata, postencoding);
buffer = postencoding.GetBytes(r.ReadToEnd());
r.Close();
} //写入字符串
else if (!string.IsNullOrWhiteSpace(item.Postdata))
{
buffer = postencoding.GetBytes(item.Postdata);
}
if (buffer != null)
{
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
}
}
}
/// <summary>
/// 设置Cookie
/// </summary>
/// <param name="item">Http参数</param>
private void SetCookie(HttpItem item)
{
if (!string.IsNullOrEmpty(item.Cookie)) request.Headers[HttpRequestHeader.Cookie] = item.Cookie;
//设置CookieCollection
if (item.ResultCookieType == ResultCookieType.CookieCollection)
{
if (item.CookieContainer == null)
{
request.CookieContainer = new CookieContainer();
if (item.CookieCollection != null && item.CookieCollection.Count > 0)
request.CookieContainer.Add(item.CookieCollection);
}
else
{
request.CookieContainer = item.CookieContainer;
}
}
}
/// <summary>
/// 设置多个证书
/// </summary>
/// <param name="item"></param>
private void SetCerList(HttpItem item)
{
if (item.ClentCertificates != null && item.ClentCertificates.Count > 0)
{
foreach (X509Certificate c in item.ClentCertificates)
{
request.ClientCertificates.Add(c);
}
}
}
/// <summary>
/// 设置证书
/// </summary>
/// <param name="item"></param>
private void SetCer(HttpItem item)
{
if (!string.IsNullOrWhiteSpace(item.CerPath))
{
//这一句一定要写在创建连接的前面。使用回调的方法进行证书验证。
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
//初始化对像，并设置请求的URL地址
request = (HttpWebRequest)WebRequest.Create(item.URL);
SetCerList(item);
//将证书添加到请求里
request.ClientCertificates.Add(new X509Certificate(item.CerPath));
}
else
{
//初始化对像，并设置请求的URL地址
request = (HttpWebRequest)WebRequest.Create(item.URL);
SetCerList(item);
}
}
/// <summary>
/// 为请求准备参数
/// </summary>
///<param name="item">参数列表</param>
private void SetRequest(HttpItem item)
{
// 验证证书
SetCer(item);
//设置Header参数
if (item.Header != null && item.Header.Count > 0) foreach (string key in item.Header.AllKeys)
{
request.Headers.Add(key, item.Header[key]);
}
// 设置代理
SetProxy(item);
if (item.ProtocolVersion != null) request.ProtocolVersion = item.ProtocolVersion;
request.ServicePoint.Expect100Continue = item.Expect100Continue;
//请求方式Get或者Post
request.Method = item.Method;
request.Timeout = item.Timeout;
request.KeepAlive = item.KeepAlive;
request.ReadWriteTimeout = item.ReadWriteTimeout;
if (!string.IsNullOrWhiteSpace(item.Host))
{
request.Host = item.Host;
}
//Accept
request.Accept = item.Accept;
//ContentType返回类型
request.ContentType = item.ContentType;
//UserAgent客户端的访问类型，包括浏览器版本和操作系统信息
request.UserAgent = item.UserAgent;
// 编码
encoding = item.Encoding;
//设置安全凭证
request.Credentials = item.ICredentials;
//设置Cookie
SetCookie(item);
//来源地址
request.Referer = item.Referer;
//是否执行跳转功能
request.AllowAutoRedirect = item.Allowautoredirect;
//设置Post数据
SetPostData(item);
//设置最大连接
if (item.Connectionlimit > 0) request.ServicePoint.ConnectionLimit = item.Connectionlimit;
}
