/// <summary>
/// Forces a POST of data to a specified URL.
/// A HTTP POST is a combination of a write to the Web Server
/// and an immediate read from the Web server.
/// </summary>
/// <param name="url"></param>
/// <param name="data"></param>
/// <param name="logIn"></param>
/// <returns></returns>
public string PostToUrl(string url, string data, bool logIn)
{
string username = String.Empty;
string password = String.Empty;
url = HttpHelper.GetHTTPAuthenticationInfo(url, out username, out password);
// Create the Web Request Object
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
// Specify that you want to POST data
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.Headers.Add("Accept-Charset", "ISO-8859-1,utf-8");
//httpauthentication
byte[] credentialBuffer = new UTF8Encoding().GetBytes(
username + ":" +
password);
request.Headers["Authorization"] = "Basic " + Convert.ToBase64String(credentialBuffer);
CookieContainer cc = new CookieContainer();
CookieCollection cCollection = cookieManager.GetCookieCollectionByUserId(_userID);
if (cCollection != null)
{
cc.Add(cCollection);
}
else
{
cc.Add(new CookieCollection());
}
request.CookieContainer = cc;
this.LogCookieCollection(cc.GetCookies(request.RequestUri));
if (url != null)
{
// write out the data to the web server
WriteToUrl(request, data);
}
else
{
request.ContentLength = 0;
}
// read the response from the Web Server
string htmlContent = RetrieveFromUrl(request, logIn, this._charset);
return(htmlContent);
}
/// <summary>
/// Determines if we have a file stream set, and returns either
/// the HttpWebRequest stream of the file.
/// </summary>
/// <returns></returns>
public virtual System.IO.Stream GetStream( )
{
System.IO.Stream io;
if (null == coFileStream)
{
CookieContainer cc = new CookieContainer();
CookieManager cookieManager = CookieManager.Instance();
CookieCollection cCollection = cookieManager.GetCookieCollectionByUserId(this._connectionID);
if (cCollection != null)
{
cc.Add(cCollection);
}
else
{
cc.Add(new CookieCollection());
}
coRequest.CookieContainer = cc;
io = coRequest.GetRequestStream();
}
else
{
io = coFileStream;
}
return(io);
}
