/// <summary>
/// save a decoded attachment to file
/// </summary>
/// <param name="attachment">decoded attachment</param>
/// <param name="pathToSaveTo">Where to save the attachment to</param>
/// <param name="logger">The object to use for logging output</param>
/// <returns><see langword="true"/> if succeeded, <see langword="false"/> otherwise</returns>
/// <exception cref="ArgumentNullException">If <paramref name="attachment"/>, <paramref name="pathToSaveTo"/> or <paramref name="logger"/> is <see langword="null"/></exception>
/// <exception cref="ArgumentException">If <paramref name="pathToSaveTo"/> does not exist</exception>
public static bool SaveAttachment(WinMailAttachment attachment, DirectoryInfo pathToSaveTo, ILogger logger)
{
if (attachment == null)
{
throw new ArgumentNullException("attachment");
}
if (pathToSaveTo == null)
{
throw new ArgumentNullException("pathToSaveTo");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
if (!pathToSaveTo.Exists)
{
throw new ArgumentException("The path " + pathToSaveTo.FullName + " does not exist");
}
try
{
FileInfo outFile = new FileInfo(Path.Combine(pathToSaveTo.FullName, attachment.FileName));
if (outFile.Exists)
{
outFile.Delete();
}
using (FileStream fsData = outFile.Create())
{
fsData.Write(attachment.Content, 0, (int)attachment.Length);
}
return(true);
}
catch (Exception e)
{
logger.LogError("SaveAttachment(): " + e.Message);
return(false);
}
}
/// <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><see langword="true"/> if succeeded, <see langword="false"/> otherwise</returns>
/// <exception cref="ArgumentNullException">If <paramref name="attachment"/> or <paramref name="pathToSaveTo"/> is <see langword="null"/></exception>
/// <exception cref="ArgumentException">If <paramref name="pathToSaveTo"/> does not exist</exception>
public static bool SaveAttachment(WinMailAttachment attachment, DirectoryInfo pathToSaveTo)
{
if (attachment == null)
{
throw new ArgumentNullException("attachment");
}
if (pathToSaveTo == null)
{
throw new ArgumentNullException("pathToSaveTo");
}
if (!pathToSaveTo.Exists)
{
throw new ArgumentException("The path " + pathToSaveTo.FullName + " does not exist");
}
return(SaveAttachment(attachment, pathToSaveTo, DefaultLogger.Create()));
}
private void decode_attachment()
{
byte[] buffer = new byte[4096];
int length;
int d = geti32();
switch (d)
{
case ATTACHREND:
_attachment = new WinMailAttachment();
_attachments.Add(_attachment);
length = geti32();
StreamReadBytes(buffer, length);
geti16(); /* checksum */
break;
case ASUBJECT:
length = geti32();
StreamReadBytes(buffer, length);
byte[] _subjectBuffer = new byte[length - 1];
Array.Copy(buffer, _subjectBuffer, (long)length - 1);
subject = Encoding.Default.GetString(_subjectBuffer);
PrintResult("Found subject: {0}", subject);
geti16(); /* checksum */
break;
case AFILENAME:
length = geti32();
StreamReadBytes(buffer, length);
//PrintResult("File-Name: {0}\n", buf);
byte[] _fileNameBuffer = new byte[length - 1];
Array.Copy(buffer, _fileNameBuffer, (long)length - 1);
string strFileName = Encoding.Default.GetString(_fileNameBuffer);
//new attachment found because attachment data goes before attachment name
_attachment.FileName = strFileName;
_attachment.Subject = subject;
geti16(); /* checksum */
break;
case ATTACHDATA:
length = geti32();
PrintResult("ATTACH-DATA: {0} bytes\n", length);
_attachment.Content = new byte[length];
_attachment.Length = length;
for (int i = 0; i < length;)
{
int chunk = length - i;
if (chunk > buffer.Length)
{
chunk = buffer.Length;
}
StreamReadBytes(buffer, chunk);
Array.Copy(buffer, 0, _attachment.Content, i, chunk);
i += chunk;
}
geti16(); /* checksum */
break;
default:
decode_attribute(d);
break;
}
}
