/// <summary>
/// Begins a new asynchronous HTTP Post request. This function is not thread safe.
/// </summary>
/// <param name="uriString"> The URL string.</param>
/// <param name="clientSettings"> The client settings.</param>
/// <param name="form"> The HTML Form tag.</param>
/// <param name="cookies"> The cookies collection.</param>
/// <param name="decodeUrl"> Decodes the url in Url and Html decoding.</param>
public void StartAsyncHttpPost(string uriString, HttpProperties clientSettings, HtmlFormTag form, CookieCollection cookies, bool decodeUrl)
{
HtmlParser parser = new HtmlParser();
ArrayList values = parser.GetArrayList(form);
httpRequestState = new HttpState();
if ( decodeUrl )
{
uriString = EncodeDecode.UrlDecode(uriString);
uriString = EncodeDecode.HtmlDecode(uriString);
}
// create webrequest
try
{
//this.ValidateIPAddress(new Uri(uriString));
httpRequestState.HttpRequest = (HttpWebRequest)WebRequest.Create(uriString);
// Set HttpWebRequestProperties
SetHttpWebRequestProperties(httpRequestState.HttpRequest, clientSettings);
// Apply proxy settings
if ( this.ProxySettings != null )
{
SetProxy(httpRequestState.HttpRequest,this.ProxySettings);
}
//httpRequestState.httpRequest.Referer = postUri;
// Continue headers
//hwr.ContinueDelegate = getRedirectHeaders;
// save cookies
httpRequestState.HttpRequest.CookieContainer=new CookieContainer();
if ( cookies!=null )
{
httpRequestState.HttpRequest.CookieContainer.Add(cookies);
}
byte[] data=null;
if (values!=null)
{
// transform to postdata and encode in bytes
string postData = GetPostData(values);
data = Encoding.UTF8.GetBytes(postData);
// set properties
httpRequestState.HttpRequest.Method="POST";
httpRequestState.HttpRequest.ContentType="application/x-www-form-urlencoded";
httpRequestState.HttpRequest.ContentLength=data.Length;
// get request stream
Stream stm = httpRequestState.HttpRequest.GetRequestStream();
stm.Write(data,0,data.Length);
stm.Flush();
stm.Close();
}
// Get Response
IAsyncResult ar = httpRequestState.HttpRequest.BeginGetResponse(new AsyncCallback(FastResponseCallback),httpRequestState);
// register a timeout
ThreadPool.RegisterWaitForSingleObject(ar.AsyncWaitHandle, new WaitOrTimerCallback(BaseHttpForm.RequestTimeoutCallback), httpRequestState, this.GetTimeout(), true);
}
catch
{
throw;
}
finally
{
if ( httpRequestState.HttpResponse != null )
{
httpRequestState.HttpResponse.Close();
}
}
}
/// <summary>
/// Begins a new HTTP Post request. This function is not thread safe.
/// </summary>
/// <param name="context"> The HttpRequestResponseContext type.</param>
public ResponseBuffer ExecutePostWebRequestSync(HttpRequestResponseContext context)
{
ResponseBuffer result = null;
HtmlParser parser = new HtmlParser();
ArrayList values = parser.GetArrayList(context.Request.Form.WriteHtmlFormTag());
ScriptingHttpState httpRequestState = new ScriptingHttpState();
httpRequestState.HttpRequestResponseContext = context;
string uriString = context.Request.Url;
if (context.DecodeUrl)
{
uriString = EncodeDecode.UrlDecode(uriString);
}
bool isException = false;
// create webrequest
try
{
//this.ValidateIPAddress(new Uri(uriString));
httpRequestState.HttpRequest = (HttpWebRequest)System.Net.WebRequest.Create(uriString);
// Set HttpWebRequestProperties
SetHttpWebRequestProperties(httpRequestState.HttpRequest, context.Request.RequestHttpSettings);
// Apply proxy settings
if (this.ProxySettings != null)
{
SetProxy(httpRequestState.HttpRequest, this.ProxySettings);
}
//httpRequestState.httpRequest.Referer = postUri;
// Continue headers
//hwr.ContinueDelegate = getRedirectHeaders;
// Save cookies
httpRequestState.HttpRequest.CookieContainer = new CookieContainer();
if (context.Request.Cookies != null)
{
httpRequestState.HttpRequest.CookieContainer.Add(context.Request.GetCookieCollection());
}
byte[] data = null;
if (values != null)
{
PostWebRequest postWebRequest = (PostWebRequest)context.Request;
string postData = string.Empty;
if (postWebRequest.UsePostData)
{
postData = postWebRequest.PostData;
httpRequestState.HttpRequest.ContentType = context.Request.RequestHttpSettings.ContentType;
}
else
{
// transform to postdata and encode in bytes
postData = GetPostData(values);
httpRequestState.HttpRequest.ContentType = "application/x-www-form-urlencoded";
}
data = Encoding.UTF8.GetBytes(postData);
// set properties
//httpRequestState.HttpRequest.AllowWriteStreamBuffering = false;
httpRequestState.HttpRequest.KeepAlive = true;
//httpRequestState.HttpRequest.Timeout = 120000;
httpRequestState.HttpRequest.Method = "POST";
httpRequestState.HttpRequest.ContentLength = data.Length;
// get request stream
Stream stm = httpRequestState.HttpRequest.GetRequestStream();
stm.Write(data, 0, data.Length);
stm.Flush();
stm.Close();
}
result = CreateSyncResponse(httpRequestState);
// Get Response
// IAsyncResult ar = httpRequestState.HttpRequest.BeginGetResponse(new AsyncCallback(SessionScriptingCallback), httpRequestState);
// register a timeout
// ThreadPool.RegisterWaitForSingleObject(ar.AsyncWaitHandle, new WaitOrTimerCallback(BaseHttpForm.RequestTimeoutCallback), httpRequestState, this.GetTimeout(), true);
}
catch
{
isException = true;
throw;
}
finally
{
if (isException)
{
if (httpRequestState.HttpResponse != null)
{
httpRequestState.HttpResponse.Close();
}
}
}
return result;
}
/// <summary>
/// Generates a MIME multipart/form-data header.
/// </summary>
/// <param name="boundary"> The boundary.</param>
/// <param name="formTag"> The HtmlFormTag value.</param>
/// <param name="fileItems"> The UploadFileInfo items.</param>
/// <returns> A MIME multipart/form-data header string.</returns>
protected string GenerateMimeFormData(string boundary, Ecyware.GreenBlue.Engine.HtmlDom.HtmlFormTag formTag, UploadFileInfo[] fileItems)
{
// create hashtable for upload file infos.
Hashtable files = new Hashtable();
foreach ( UploadFileInfo fileInfo in fileItems )
{
files.Add(fileInfo.FormFieldName, fileInfo);
}
HtmlParser parser = new HtmlParser();
ArrayList values = parser.GetArrayList(formTag);
StringBuilder mimeData = new StringBuilder();
// Create form fields
foreach ( string nameValuePair in values )
{
string name = EncodeDecode.UrlDecode(nameValuePair.Split('=')[0]);
string value = EncodeDecode.UrlDecode(nameValuePair.Split('=')[1].Trim().Trim('\0')).Trim('\0');
// skip keys from UploadFileItems.
if ( files.ContainsKey(name) )
{
UploadFileInfo fileInfo = (UploadFileInfo)files[name];
//-----------------------------7d52903b1507ec
//\r\n
//Content-Disposition: form-data; name=\"oFile1\"; filename=\"C:\\images\\GB Splash Screen.psd\"
//\r\n
//Content-Type: application/octet-stream
//\r\n
//\r\n
mimeData.Append("--");
mimeData.Append(boundary);
mimeData.Append("\r\n");
mimeData.AppendFormat("Content-Disposition: form-data; name=\"{0}\"",name);
mimeData.AppendFormat("; filename=\"{0}\"",fileInfo.FileName);
mimeData.Append("\r\n");
mimeData.Append("Content-Type: ");
mimeData.Append(fileInfo.ContentType);
mimeData.Append("\r\n");
mimeData.Append("\r\n");
}
else
{
// Example
//-----------------------------7d52903b1507ec
//\r\n
//Content-Disposition: form-data;name="Hello23"
//\r\n
//\r\n
//Hello
//\r\n
mimeData.Append("--");
mimeData.Append(boundary);
mimeData.Append("\r\n");
mimeData.AppendFormat("Content-Disposition: form-data; name=\"{0}\"",name);
mimeData.Append("\r\n\r\n");
mimeData.Append(value);
mimeData.Append("\r\n");
}
}
//mimeData.Append("\0");
return mimeData.ToString();
}
