// Token: 0x06001AD3 RID: 6867 RVA: 0x00065D98 File Offset: 0x00063F98
        private static IdAndSession GetIdAndSession(CallContext callContext, string id, bool isAttachmentId)
        {
            IdAndSession idAndSession;

            try
            {
                if (isAttachmentId)
                {
                    idAndSession = new IdConverter(callContext).ConvertAttachmentIdToIdAndSessionReadOnly(id);
                }
                else
                {
                    idAndSession = new IdConverter(callContext).ConvertItemIdToIdAndSessionReadOnly(id);
                }
                if (idAndSession == null)
                {
                    List <AttachmentId> attachmentIds       = new List <AttachmentId>();
                    IdHeaderInformation idHeaderInformation = IdConverter.ConvertFromConcatenatedId(id, BasicTypes.Attachment, attachmentIds, false);
                    throw new OwaInvalidRequestException("Unsupported Attachment ID. Storage type: " + idHeaderInformation.IdStorageType);
                }
            }
            catch (InvalidStoreIdException)
            {
                throw new OwaInvalidRequestException("Invalid attachment ID: " + id);
            }
            catch (AccessDeniedException)
            {
                throw new OwaInvalidRequestException("You do not have permission to access this mailbox.");
            }
            if (idAndSession.Session == null)
            {
                throw new OwaInvalidRequestException("The mailbox was not specified.");
            }
            return(idAndSession);
        }