public static AttachmentStream ToAttachmentStream(this MailAttachmentData mailAttachmentData, int offset = 0)
{
if (mailAttachmentData == null)
{
throw new InvalidOperationException("Attachment not found");
}
var storage = MailDataStore.GetDataStore(mailAttachmentData.tenant);
var attachmentPath = MailStoragePathCombiner.GerStoredFilePath(mailAttachmentData);
var result = new AttachmentStream
{
FileStream = storage.GetReadStream("", attachmentPath, offset),
FileName = mailAttachmentData.fileName,
FileSize = mailAttachmentData.size
};
return(result);
}
public void StoreAttachmentWithoutQuota(MailAttachmentData mailAttachmentData)
{
try
{
if ((mailAttachmentData.dataStream == null || mailAttachmentData.dataStream.Length == 0) && (mailAttachmentData.data == null || mailAttachmentData.data.Length == 0))
{
return;
}
if (string.IsNullOrEmpty(mailAttachmentData.fileName))
{
mailAttachmentData.fileName = "attachment.ext";
}
var storage = MailDataStore.GetDataStore(Tenant);
storage.QuotaController = null;
if (string.IsNullOrEmpty(mailAttachmentData.storedName))
{
mailAttachmentData.storedName = MailUtil.CreateStreamId();
var ext = Path.GetExtension(mailAttachmentData.fileName);
if (!string.IsNullOrEmpty(ext))
{
mailAttachmentData.storedName = Path.ChangeExtension(mailAttachmentData.storedName, ext);
}
}
mailAttachmentData.fileNumber =
!string.IsNullOrEmpty(mailAttachmentData.contentId) //Upload hack: embedded attachment have to be saved in 0 folder
? 0
: mailAttachmentData.fileNumber;
var attachmentPath = MailStoragePathCombiner.GerStoredFilePath(mailAttachmentData);
if (mailAttachmentData.data != null)
{
using (var reader = new MemoryStream(mailAttachmentData.data))
{
var uploadUrl = (mailAttachmentData.needSaveToTemp)
? storage.Save("attachments_temp", attachmentPath, reader, mailAttachmentData.fileName)
: storage.Save(attachmentPath, reader, mailAttachmentData.fileName);
mailAttachmentData.storedFileUrl = MailStoragePathCombiner.GetStoredUrl(uploadUrl);
}
}
else
{
var uploadUrl = (mailAttachmentData.needSaveToTemp)
? storage.Save("attachments_temp", attachmentPath, mailAttachmentData.dataStream, mailAttachmentData.fileName)
: storage.Save(attachmentPath, mailAttachmentData.dataStream, mailAttachmentData.fileName);
mailAttachmentData.storedFileUrl = MailStoragePathCombiner.GetStoredUrl(uploadUrl);
}
if (mailAttachmentData.needSaveToTemp)
{
mailAttachmentData.tempStoredUrl = mailAttachmentData.storedFileUrl;
}
}
catch (Exception e)
{
Log.ErrorFormat("StoreAttachmentWithoutQuota(). filename: {0}, ctype: {1} Exception:\r\n{2}\r\n",
mailAttachmentData.fileName,
mailAttachmentData.contentType,
e.ToString());
throw;
}
}