public static IAsyncResult HttpPost(string uri, Dictionary <string, string> data, HttpWebRequestAsyncCallback callback)
{
return(RequestHttp(HttpHelper.HttpMethod_POST, uri, DefaultEncoding, DefaultTimeOut, DefaultCookies, data, callback));
}
public static IAsyncResult RequestHttp(string httpMethod, string uri, Encoding encoding, int timeOut, CookieContainer cookies, Dictionary <string, string> data, HttpWebRequestAsyncCallback callback)
{
var postParams = string.Empty;
if (httpMethod.ToLower() == HttpHelper.HttpMethod_POST.ToLower())
{
var paramArray = uri.Split('?');
var postUri = paramArray[0];
postParams = paramArray.Length > 1 ? paramArray[1] : "";
uri = postUri;
var buffer = new StringBuilder();
var i = 0;
foreach (var key in data.Keys)
{
var dataValue = HttpUtility.UrlEncode(data[key]);
var newKey = HttpUtility.UrlEncode(key);
if (i > 0)
{
buffer.Append("&");
}
buffer.AppendFormat("{0}={1}", newKey, dataValue);
i++;
}
if (buffer.Length > 0)
{
buffer.Append("&");
}
buffer.Append(postParams);
postParams = buffer.ToString();
}
return(RequestHttp(httpMethod, uri, encoding, timeOut, cookies, postParams, callback));
}
public static IAsyncResult RequestHttp(string httpMethod, string uri, HttpWebRequestAsyncCallback callback)
{
return(RequestHttp(httpMethod, uri, DefaultEncoding, DefaultTimeOut, DefaultCookies, DefaultData, callback));
}
public static IAsyncResult HttpPost(string uri, string body, HttpWebRequestInitiator initiator, HttpWebRequestAsyncCallback callback)
{
return(RequestHttp(HttpHelper.HttpMethod_POST, uri, DefaultEncoding, DefaultTimeOut, DefaultCookies, body, initiator, callback));
}
public static IAsyncResult HttpGet(string uri, HttpWebRequestAsyncCallback callback)
{
return(RequestHttp(HttpHelper.HttpMethod_GET, uri, DefaultEncoding, DefaultTimeOut, DefaultCookies, DefaultData, callback));
}
public static IAsyncResult RequestHttp(string httpMethod, string uri, Encoding encoding, int timeOut, CookieContainer cookies, string body, HttpWebRequestInitiator initiator, HttpWebRequestAsyncCallback callback)
{
var postParams = string.Empty;
var request = (HttpWebRequest)WebRequest.Create(uri);
if (cookies != null)
{
request.CookieContainer = cookies;
}
request.Timeout = timeOut;
request.Method = httpMethod;
request.UserAgent = "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.1667.0 Safari/537.36 GeckoDotnetHttpClient";
request.ContentType = "application/x-www-form-urlencoded";
if (initiator != null)
{
initiator(request);
}
if (httpMethod.ToLower() == HttpHelper.HttpMethod_POST.ToLower())
{
if (request.ContentType == "application/json" || request.ContentType == "text/json")
{
using (var streamWriter = new StreamWriter(request.GetRequestStream()))
{
streamWriter.Write(body);
streamWriter.Close();
}
}
else
{
var postData = encoding.GetBytes(body);
request.ContentLength = postData.Length;
using (var stream = request.GetRequestStream())
{
stream.Write(postData, 0, postData.Length);
stream.Close();
}
}
}
var asyncCallback = new AsyncCallback(ar => {
var serverResponse = string.Empty;
var isOK = false;
try
{
using (var response = request.EndGetResponse(ar) as HttpWebResponse)
{
var statusCode = response.StatusCode;
if (statusCode == HttpStatusCode.OK || statusCode == HttpStatusCode.Created || statusCode == HttpStatusCode.Accepted)
{
isOK = true;
}
callback(ar, new WebRequestCallbackData()
{
IsOK = isOK,
Encoding = encoding,
Response = response
});
}
}
catch (Exception)
{
callback(ar, new WebRequestCallbackData()
{
IsOK = false,
Encoding = encoding,
Response = null,
});
}
});
return(request.BeginGetResponse(asyncCallback, string.Empty));
}
public static IAsyncResult RequestHttp(string httpMethod, string uri, Encoding encoding, int timeOut, CookieContainer cookies, string body, HttpWebRequestAsyncCallback callback)
{
return(RequestHttp(httpMethod, uri, encoding, timeOut, cookies, body, null, callback));
}
