public AttachmentBuilder(StreamAttachment streamAtt, Encoding characterEncoding, TransferEncoding textTransferEncoding,
TransferEncoding binaryTransferEncoding)
{
_attachment = new Attachment(streamAtt.Stream, streamAtt.DisplayName, streamAtt.MimeType)
{
ContentType = { MediaType = streamAtt.MimeType }
};
_attachment.ContentDisposition.Inline = false;
_attachment.ContentDisposition.FileName = streamAtt.DisplayName.Trim(new[] { '\\', '/', ':' });
_attachment.ContentDisposition.CreationDate = DateTime.Now;
_attachment.ContentDisposition.ModificationDate = _attachment.ContentDisposition.CreationDate;
_attachment.ContentDisposition.ReadDate = _attachment.ContentDisposition.CreationDate;
_attachment.NameEncoding = characterEncoding;
// Take care of correct encoding for the file name, otherwise
// _attachment.TransferEncoding will throw FormatException 'MailHeaderFieldInvalidCharacter'
// This also encodes spaces in the attachment name, because otherwise they would not be displayed correctly (RFC2047)
Bugfixer.CorrectAttachmentFileNameEncoding(_attachment, characterEncoding);
if (_attachment.ContentType.MediaType.ToLower().StartsWith("text/"))
{
_attachment.ContentType.CharSet = characterEncoding.HeaderName;
_attachment.TransferEncoding = textTransferEncoding;
}
else
{
_attachment.ContentType.CharSet = null;
_attachment.TransferEncoding = binaryTransferEncoding;
}
}
public AttachmentBuilder(StringAttachment stringAtt, Encoding characterEncoding, TransferEncoding textTransferEncoding,
TransferEncoding binaryTransferEncoding)
{
string displayName = ShortNameFromFile(stringAtt.DisplayName);
_attachment = Attachment.CreateAttachmentFromString(stringAtt.Content, displayName, characterEncoding,
stringAtt.MimeType);
_attachment.ContentType.MediaType = stringAtt.MimeType;
_attachment.ContentDisposition.Inline = false;
_attachment.ContentDisposition.FileName = displayName;
_attachment.ContentDisposition.CreationDate = DateTime.Now;
_attachment.ContentDisposition.ModificationDate = DateTime.Now;
_attachment.ContentDisposition.ReadDate = DateTime.Now;
// Use predefined att.ContentId
_attachment.NameEncoding = characterEncoding;
// Take care of correct encoding for the file name, otherwise
// _attachment.TransferEncoding will throw FormatException 'MailHeaderFieldInvalidCharacter'
Bugfixer.CorrectAttachmentFileNameEncoding(_attachment, characterEncoding);
if (_attachment.ContentType.MediaType.ToLower().StartsWith("text/"))
{
_attachment.ContentType.CharSet = characterEncoding.HeaderName;
_attachment.TransferEncoding = Tools.IsSevenBit(_attachment.ContentStream, characterEncoding)
? TransferEncoding.SevenBit
: textTransferEncoding;
}
else
{
_attachment.ContentType.CharSet = null;
_attachment.TransferEncoding = binaryTransferEncoding;
}
}
