Insomnia 🌙 HMAC-SHA256 signature 🔏 generator

hmac-sha256.js

const crypto = require('crypto-js');

const appId = insomnia.collectionVariables.get('appId');
const method = insomnia.request.method;
const payload = insomnia.request.payload || '';
const sharedKey = insomnia.collectionVariables.get('sharedKey');
const timestamp = Math.round(Date.now() / 1000);
const url = insomnia.environment.replaceIn(
	insomnia.request.url.toString().replace(/\_\./gi, '')
);

console.log(appId, sharedKey, timestamp, url);

const msg = `${appId}${timestamp}${method}${url}${payload}`;
const hmac = crypto.HmacSHA256(msg, sharedKey);
const sig = crypto.enc.Base64.stringify(hmac);

console.log(hmac, sig);

insomnia.request.addHeader({ key: 'X-K1-ApplicationId', value: appId });
insomnia.request.addHeader({ key: 'X-K1-Hmac', value: sig });
insomnia.request.addHeader({ key: 'X-K1-Timestamp', value: timestamp });