private static MimePart ConvertAttachmentToMimePart(NotifyMessageAttachment attachment)
{
try
{
if (attachment == null || string.IsNullOrEmpty(attachment.FileName) || string.IsNullOrEmpty(attachment.ContentId) || attachment.Content == null)
{
return(null);
}
var extension = Path.GetExtension(attachment.FileName);
if (string.IsNullOrEmpty(extension))
{
return(null);
}
return(new MimePart("image", extension.TrimStart('.'))
{
ContentId = attachment.ContentId,
Content = new MimeContent(new MemoryStream(attachment.Content)),
ContentDisposition = new ContentDisposition(ContentDisposition.Attachment),
ContentTransferEncoding = ContentEncoding.Base64,
FileName = attachment.FileName
});
}
catch (Exception)
{
return(null);
}
}
private static void AddLetterLogo(NotifyRequest request)
{
if (TenantExtra.Enterprise || CoreContext.Configuration.CustomMode)
{
try
{
var logoData = TenantLogoManager.GetMailLogoDataFromCache();
if (logoData == null)
{
var logoStream = TenantLogoManager.GetWhitelabelMailLogo();
logoData = ReadStreamToByteArray(logoStream) ?? GetDefaultMailLogo();
if (logoData != null)
{
TenantLogoManager.InsertMailLogoDataToCache(logoData);
}
}
if (logoData != null)
{
var attachment = new NotifyMessageAttachment
{
FileName = "logo.png",
Content = ByteString.CopyFrom(logoData),
ContentId = MimeUtils.GenerateMessageId()
};
request.Arguments.Add(new TagValue(CommonTags.LetterLogo, "cid:" + attachment.ContentId));
request.Arguments.Add(new TagValue(CommonTags.EmbeddedAttachments, new[] { attachment }));
return;
}
}
catch (Exception error)
{
LogManager.GetLogger("ASC").Error(error);
}
}
var logoUrl = CommonLinkUtility.GetFullAbsolutePath(TenantLogoManager.GetLogoDark(true));
request.Arguments.Add(new TagValue(CommonTags.LetterLogo, logoUrl));
}
