[Edit]

Express.js - get current session id

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Created by:

Laylah-Walsh

624

In this article, we would like to show you how to get current session id using Express.js.

Quick solution:

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app.get('/path/to/endpoint', (req, res) => {
    const sessionId = req.session.id;
    // ...
});

or:

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app.get('/path/to/endpoint', (req, res) => {
    const sessionId = req.sessionID;
    // ...
});

Practical example

Edit

In this example, we present how to get current session id using req.session.id and send it as a response of the HTTP GET request.

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const express = require('express');          // npm install express
const session = require('express-session');  // npm install express-session
​
const app = express();
​
app.use(
    session({
        secret: 'session-secret-here',
        resave: false,
        saveUninitialized: true
    })
);
​
app.get('/path/to/endpoint', (req, res) => {
    const sessionId = req.session.id;
    res.send(`Session ID: ${sessionId}`);
});
​
app.listen(8080, () => console.log('Server started on port 8080.'));