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benzerbett/SessionPersistence.js

Forked from HarshithaKP/SessionPersistence.js
Created April 17, 2021 21:49
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Revisions

  1. @HarshithaKP HarshithaKP revised this gist Nov 8, 2019. 1 changed file with 35 additions and 30 deletions.
    65 changes: 35 additions & 30 deletions SessionPersistence.js
    View file
    Original file line number Diff line number Diff line change
    @@ -1,41 +1,46 @@
    var express = require('express')
    var session = require('express-session')
    var app = express()
    var r = require('request')
    var request = r.defaults({jar:true}) // By default cookies are disabled, To make use of cookies set cookie jar to true

    app.use(session({ secret: 'keyboard cat',saveUninitialized : false, resave : false, cookie: { maxAge: 60000 }}));
    // By default cookies are disabled, switch it on
    var request = r.defaults( { jar:true } )

    app.use(session({ secret: 'keyboard cat',saveUninitialized : false, resave : false, cookie: { maxAge: 60000 }}))

    app.get('/', function(req, res, next) {
    if(!req.session.views){
    req.session.views = 1;
    console.log('Session views :'+ req.session.views);
    res.end('First Timer');
    }
    else{
    req.session.views++
    console.log('req.session.views : '+req.session.views);
    req.session.extra = "Some extra data"
    if(!req.session.views) {
    req.session.views = 1
    console.log('first timer : '+ req.session.views)
    res.end('first timer')
    } else {
    req.session.views++
    console.log('subsequent views: ' + req.session.views)
    req.session.extra = "some extra data"

    /* While sessions with memoryStore may work fine with multiple requests/redirects, external stores can cause race conditions - between next client request and the store, depending on who runs faster. So save the session explicitly, prior to the response/redirect. */
    req.session.save(function(err){
    if(!err){
    res.redirect('/admin');
    }
    });
    // While sessions with memoryStore may work fine with multiple requests/redirects, external
    // stores can cause race conditions - between next client request and the store, depending
    // on who runs faster. So save the session explicitly, prior to the response/redirect.
    req.session.save(function(err) {
    if(err) {
    res.end('session save error: ' + err)
    return
    }
    res.redirect('/admin')
    })
    }
    });
    })

    app.get('/admin', function(req, res, next) {
    console.log(req.session);
    res.end('Redirected response');
    });
    console.log(`in redirected route, views: ${req.session.views} and extra: ${req.session.extra}`)
    res.end('redirected response')
    })

    app.listen(8000, ()=> {
    app.listen(8000, () => {
    request.get('http://localhost:8000', (err,res,body) => {
    console.log('First response :');
    console.log(body);
    request.get('http://localhost:8000', (err,res,body) => {
    console.log('Second response :');
    console.log(body);
    });
    });
    });
    console.log(`first response : ${body}`)
    request.get('http://localhost:8000', (err,res,body) => {
    console.log(`second response : ${body}`)
    })
    })
    })
  2. @HarshithaKP HarshithaKP created this gist Nov 8, 2019.
    41 changes: 41 additions & 0 deletions SessionPersistence.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,41 @@
    var app = express()
    var r = require('request')
    var request = r.defaults({jar:true}) // By default cookies are disabled, To make use of cookies set cookie jar to true

    app.use(session({ secret: 'keyboard cat',saveUninitialized : false, resave : false, cookie: { maxAge: 60000 }}));

    app.get('/', function(req, res, next) {
    if(!req.session.views){
    req.session.views = 1;
    console.log('Session views :'+ req.session.views);
    res.end('First Timer');
    }
    else{
    req.session.views++
    console.log('req.session.views : '+req.session.views);
    req.session.extra = "Some extra data"

    /* While sessions with memoryStore may work fine with multiple requests/redirects, external stores can cause race conditions - between next client request and the store, depending on who runs faster. So save the session explicitly, prior to the response/redirect. */
    req.session.save(function(err){
    if(!err){
    res.redirect('/admin');
    }
    });
    }
    });

    app.get('/admin', function(req, res, next) {
    console.log(req.session);
    res.end('Redirected response');
    });

    app.listen(8000, ()=> {
    request.get('http://localhost:8000', (err,res,body) => {
    console.log('First response :');
    console.log(body);
    request.get('http://localhost:8000', (err,res,body) => {
    console.log('Second response :');
    console.log(body);
    });
    });
    });