generate token from instgram

token.js

#!/usr/bin/env node

/**
 * Instagram Token Refresher (CommonJS version)
 * Safer to run on standard server setups
 */
const fs = require('fs');
const path = require('path');
const https = require('https'); // Native node module, no extra npm install needed

// Defines where the token lives
const storeFile = path.join(__dirname, 'token-store.json');

// Helper function to fetch without installing 'node-fetch'
function httpsGet(url) {
    return new Promise((resolve, reject) => {
        https.get(url, (res) => {
            let data = '';
            res.on('data', (chunk) => data += chunk);
            res.on('end', () => resolve(JSON.parse(data)));
        }).on('error', (err) => reject(err));
    });
}

async function refresh() {
    try {
        // 1. Read the old token
        if (!fs.existsSync(storeFile)) {
            console.error('❌ token-store.json not found');
            process.exit(1);
        }
        
        const store = JSON.parse(fs.readFileSync(storeFile, 'utf-8'));
        const oldToken = store.access_token;

        if (!oldToken) {
            console.error('❌ No token inside JSON file');
            process.exit(1);
        }

        // 2. Call Instagram API
        // NOTE: This URL is for Basic Display. 
        // If using Business API, this URL needs to change.
        const url = `https://graph.instagram.com/refresh_access_token?grant_type=ig_refresh_token&access_token=${oldToken}`;
        
        const data = await httpsGet(url);

        if (data.error || !data.access_token) {
            console.error('❌ API Error:', data);
            return;
        }

        // 3. Save the new token
        store.access_token = data.access_token;
        store.expires_in = data.expires_in;
        store.last_refreshed = new Date().toISOString();

        fs.writeFileSync(storeFile, JSON.stringify(store, null, 2));

        console.log(`✅ Success! Token refreshed. Expires in ~${Math.round(data.expires_in / 86400)} days.`);

    } catch (err) {
        console.error('❌ Script Error:', err);
    }
}

refresh();