/// <summary>
/// Uploads a file.
/// </summary>
/// <param name="fileInfo"> The UploadFileInfo item.</param>
/// <param name="boundaryBytes"> The boundary as bytes.</param>
/// <param name="currentStream"> The current stream.</param>
protected void UploadFile(UploadFileInfo fileInfo, byte[] boundaryBytes, Stream currentStream)
{
// Open file
FileStream fileStream = new FileStream(fileInfo.FileName,
FileMode.Open, FileAccess.Read);
// write out file
byte[] buffer = new Byte[checked((uint)Math.Min(4096,
(int)fileStream.Length))];
int bytesRead = 0;
while ( (bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0 )
{
// Begin Write
//currentStream.BeginWrite(data, 0, data.Length, requestState.WriteCallback, requestState);
currentStream.Write(buffer, 0, bytesRead);
}
// Write out the trailing boundary
// currentStream.Write(boundaryBytes, 0, boundaryBytes.Length);
fileStream.Close();
}
/// <summary>
/// Upload the file infos.
/// </summary>
/// <param name="formTag"> The form tag to get the UploadFileInfo items.</param>
/// <returns> An UploadFileInfo array.</returns>
public static UploadFileInfo[] GetUploadFiles(HtmlFormTag formTag)
{
ArrayList list = new ArrayList();
foreach ( HtmlTagBaseList tagBaseList in formTag.AllValues )
{
foreach ( HtmlTagBase tag in tagBaseList )
{
if ( tag is HtmlInputTag )
{
HtmlInputTag input = (HtmlInputTag)tag;
if ( input.Type == HtmlInputType.File )
{
UploadFileInfo fileInfo = new UploadFileInfo();
// get file name
fileInfo.FormFieldName = input.Name;
if ( input.Value == null )
{
input.Value = string.Empty;
}
fileInfo.FileName = input.Value.Trim('"').Trim('\0').Trim();
if ( fileInfo.FileName.Length > 0 )
{
fileInfo.ContentType = AppLocation.GetMIMEType(fileInfo.FileName);
list.Add(fileInfo);
}
}
}
}
}
return (UploadFileInfo[])list.ToArray(typeof(UploadFileInfo));
}
/// <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();
}
