private static ResponseInfo SendData(
bool returnBytes,
string method,
string url,
PostContentData[] postDatas = null,
FileContentData[] fileDatas = null,
HeaderData[] headers = null,
string userAgent = null,
NetworkCredential credential = null,
ProxySettings proxySettings = null,
int timeout = TIMEOUT,
int maxAttempts = CONNECTION_ATTEMPTS,
bool getResponse = true
)
{
ResponseInfo result = null;
int attempts = 0;
bool success = false;
string message = null;
// Try to send data for number of connectionAttempts
while (attempts < maxAttempts && !success)
{
attempts += 1;
try
{
// Create HTTP request and define Header info
var request = (HttpWebRequest)WebRequest.Create(url);
string boundary = String_Functions.RandomString(10);
request.Timeout = timeout;
request.ReadWriteTimeout = timeout;
if (method == "POST") request.ContentType = "multipart/form-data; boundary=" + boundary;
else request.ContentType = "application/x-www-form-urlencoded";
// Set the Method
request.Method = method;
// Set the UserAgent
if (userAgent != null) request.UserAgent = userAgent;
else request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
// Add Header data to request stream (if present)
if (headers != null)
{
foreach (var header in headers)
{
request.Headers[header.Id] = header.Text;
}
}
// set NetworkCredentials
if (credential != null)
{
request.Credentials = credential;
request.PreAuthenticate = true;
}
// Get Default System Proxy (Windows Internet Settings -> Proxy Settings)
var proxy = WebRequest.GetSystemWebProxy();
// Get Custom Proxy Settings from Argument (overwrite default proxy settings)
if (proxySettings != null)
{
if (proxySettings.Address != null && proxySettings.Port > 0)
{
var customProxy = new WebProxy(proxySettings.Address, proxySettings.Port);
customProxy.BypassProxyOnLocal = false;
proxy = customProxy;
}
}
request.Proxy = proxy;
var bytes = new List<byte>();
// Add Post Name/Value Pairs
if (postDatas != null)
{
string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";
foreach (var postData in postDatas)
{
string formitem = string.Format(formdataTemplate, postData.Name, postData.Value);
bytes.AddRange(GetBytes("\r\n--" + boundary + "\r\n"));
bytes.AddRange(GetBytes(formitem));
}
}
// Add File data
if (fileDatas != null)
{
bytes.AddRange(GetFileContents(fileDatas, boundary));
}
if (bytes.Count > 0)
{
// Write Trailer Boundary
string trailer = "\r\n--" + boundary + "--\r\n";
bytes.AddRange(GetBytes(trailer));
var byteArray = bytes.ToArray();
// Write Data to Request Stream
request.ContentLength = byteArray.Length;
using (var requestStream = request.GetRequestStream())
{
requestStream.Write(byteArray, 0, byteArray.Length);
}
}
// Get Response Message from HTTP Request
if (getResponse)
{
result = new ResponseInfo();
using (var response = (HttpWebResponse)request.GetResponse())
{
// Get HTTP Response Body
using (var responseStream = response.GetResponseStream())
using (var memStream = new MemoryStream())
{
byte[] buffer = new byte[10240];
int read;
while ((read = responseStream.Read(buffer, 0, buffer.Length)) > 0)
{
memStream.Write(buffer, 0, read);
}
result.Body = memStream.ToArray();
success = true;
}
var responseHeaders = new List<ReponseHeaderInfo>();
// Get HTTP Response Headers
foreach (var key in response.Headers.AllKeys)
{
var header = new ReponseHeaderInfo();
header.Key = key;
header.Value = response.Headers.Get(key);
responseHeaders.Add(header);
}
result.Headers = responseHeaders.ToArray();
}
}
else success = true;
}
catch (WebException wex) { message = wex.Message; }
catch (Exception ex) { message = ex.Message; }
if (!success) System.Threading.Thread.Sleep(500);
}
if (!success) Logger.Log("Send :: " + attempts.ToString() + " Attempts :: URL = " + url + " :: " + message);
return result;
}
public static string PUT(string url, NameValueCollection postValues)
{
return(SendData("PUT", url, PostContentData.FromNamedValueCollection(postValues)));
}
private static string SendData(
string method,
string url,
PostContentData[] postDatas = null,
FileContentData[] fileDatas = null,
HeaderData[] headers = null,
string userAgent = null,
NetworkCredential credential = null,
ProxySettings proxySettings = null,
int timeout = TIMEOUT,
int maxAttempts = CONNECTION_ATTEMPTS,
bool getResponse = true)
{
var response = SendData(false, method, url, postDatas, fileDatas, headers, userAgent, credential, proxySettings, timeout, maxAttempts, getResponse);
if (response != null && response.Body != null) return Encoding.ASCII.GetString(response.Body);
else return null;
}
public static string PUT(string url, PostContentData[] postContentData, HeaderData[] headers, string userAgent, NetworkCredential credential)
{
return SendData("PUT", url, postContentData, null, headers, userAgent, credential);
}
public static string PUT(string url, PostContentData[] postContentData, HeaderData[] headers, string userAgent)
{
return SendData("PUT", url, postContentData, null, headers, userAgent);
}
public static string POST(string url, PostContentData[] postContentData, HeaderData[] headers)
{
return SendData("POST", url, postContentData, null, headers);
}
public static string POST(string url, PostContentData[] postContentData)
{
return SendData("POST", url, postContentData);
}
