private Stream AttachmentsStreamCallback(object context)
{
if (this.decryptedItem == null)
{
throw new StoragePermanentException(ServerStrings.FailedToAddAttachments);
}
this.SaveAndCloseCurrentAttachment();
AttachmentType attachmentType = (AttachmentType)context;
AttachmentType attachmentType2 = attachmentType;
AttachmentType attachmentType3;
if (attachmentType2 != AttachmentType.OleObject)
{
if (attachmentType2 != AttachmentType.ByValue)
{
if (attachmentType2 != AttachmentType.EmbeddedMessage)
{
throw new StoragePermanentException(ServerStrings.InvalidAttachmentType);
}
attachmentType3 = AttachmentType.EmbeddedMessage;
}
else
{
attachmentType3 = AttachmentType.Stream;
}
}
else
{
attachmentType3 = AttachmentType.Ole;
}
AttachmentCollection attachmentCollection = this.decryptedItem.AttachmentCollection;
this.currentAttachment = attachmentCollection.Create(attachmentType3);
ExTraceGlobals.RightsManagementTracer.TraceDebug <AttachmentType>((long)this.GetHashCode(), "Decrypting Attachment. AttachmentType {0}", attachmentType3);
StreamAttachmentBase streamAttachmentBase = this.currentAttachment as StreamAttachmentBase;
if (streamAttachmentBase != null)
{
return(streamAttachmentBase.GetContentStream(PropertyOpenMode.Create));
}
this.temporaryStreamForEmbeddedMessage = Streams.CreateTemporaryStorageStream();
return(this.temporaryStreamForEmbeddedMessage);
}
protected static IAttachment CreateCopy(Attachment attachment, AttachmentCollection collection, AttachmentType?newAttachmentType)
{
return(collection.Create(newAttachmentType, attachment));
}
