private void decode_attachment()
{
byte[] buf=new byte[4096];
int len;
int d = geti32();
switch (d)
{
case ASUBJECT:
len = geti32();
StreamReadBytes(buf,len);
byte[] _subjectBuffer=new byte[len-1];
Array.Copy(buf,_subjectBuffer,(long)len-1);
strSubject=Encoding.Default.GetString(_subjectBuffer);
PrintResult("Found subject: {0}", strSubject);
geti16(); /* checksum */
break;
case AFILENAME:
len = geti32();
StreamReadBytes(buf,len);
//PrintResult("File-Name: {0}\n", buf);
byte[] _fileNameBuffer=new byte[len-1];
Array.Copy(buf,_fileNameBuffer,(long)len-1);
string strFileName=Encoding.Default.GetString(_fileNameBuffer);
//new attachment found because attachment data goes before attachment name
_attachment.FileName=strFileName;
_attachment.Subject=strSubject;
_attachments.Add(_attachment);
geti16(); /* checksum */
break;
case ATTACHDATA:
len = geti32();
PrintResult("ATTACH-DATA: {0} bytes\n", len);
_attachment=new TNEFAttachment();
_attachment.FileContent=new byte[len];
_attachment.FileLength=len;
for (int i = 0; i < len; )
{
int chunk = len-i;
if (chunk > buf.Length) chunk = buf.Length;
StreamReadBytes(buf,chunk);
Array.Copy(buf,0,_attachment.FileContent,i,chunk);
i += chunk;
}
geti16(); /* checksum */
break;
default:
decode_attribute(d);
break;
}
}
/// <summary>
/// save a decoded attachment to file
/// </summary>
/// <param name="attachment">decoded attachment</param>
/// <param name="pathToSaveTo">Where to save the attachment to</param>
/// <returns>true is succeded, vice versa</returns>
public static bool SaveAttachment(TNEFAttachment attachment, string pathToSaveTo)
{
try
{
string strOutFile = pathToSaveTo + attachment.FileName;
if(File.Exists(strOutFile))
File.Delete(strOutFile);
FileStream fsData=new FileStream(strOutFile,FileMode.CreateNew,FileAccess.Write);
fsData.Write(attachment.FileContent,0,(int)attachment.FileLength);
fsData.Close();
return true;
}
catch(Exception e)
{
Utility.LogError("SaveAttachment():"+e.Message);
return false;
}
}
