nl_tokens: ===================== populate var session ; returns boolean on whether newly formed
pl_tokens: function getSession ( req , res , cb ) { const now = new Date ( ) ; const cookies = getCookies ( req . headers . cookie ) ; // cookies.na_session  :: session._id // cookies.na_user     :: session.user // Establish session: new/old session? new/old user? if ( cookies . na_session ) { if ( opts . log_all ) log ( 'Session cookie found:' , cookies . na_session ) ; Session . findById ( cookies . na_session , session_fields ) . lean ( ) . exec ( function ( err , session ) { if ( err ) { log . error ( 'getSession error' , err ) ; return cb ( err ) ; } if ( ! session ) { log . error ( 'Session not found :: id[cookie]:' , this . cookies . na_session ) ; // send to check if user instead if ( cookies . na_user ) userSession ( ) ; else newSession ( ) ; } else { Update . session ( session , { $set : { last : Date . now ( ) } } , ( err , session ) => { if ( err ) { log . error ( 'establish session / update error' ) ; return cb ( true ) ; } session . continued = true ; cb ( err , this . req , this . res , session ) } ) ; } } . bind ( { cookies : cookies , req : req , res : res } ) ) } else if ( cookies . na_user ) userSession ( ) ; else newSession ( ) ; // ==================== function userSession ( ) { // OLD USER, NEW SESSION cb ( null , req , res , new Session ( { user : cookies . na_user , new_session : true } ) . toObject ( { virtuals : true } ) ) ; if ( opts . log_all ) log . timer ( 'getSession 1' , now ) ; } function newSession ( ) { // NEW USER, NEW SESSION // Initiate session to get _id let session = new Session ( ) ; session . user = session . _id . toString ( ) ; session . new_user = true ; session = <mask> . toObject ( { virtuals : true } ) ; cb ( null , req , res , session ) ; if ( opts . log_all ) log . timer ( 'getSession 2' , now ) ; } }