cybersource-rest-client/src/utilities/flex/TokenVerification.js

Node.js SDK for the CyberSource REST API

// 'use strict';

// const crypto = require('crypto');
// const jwkToPem = require('jwk-to-pem');

// /**
//  * This function has all the merchentConfig properties getters and setters methods
//  * 
//  * @param  result 
//  */
// function TokenVerification() {

// }

// function isPemFormattedString(input) {
//   	return typeof input === 'string' && /^-----BEGIN PUBLIC KEY-----[\S\s]*-----END PUBLIC KEY-----/.test(input);
//   }
   
//   function isBase64String(input) {
//   	return typeof input === 'string' && /^[a-zA-Z0-9+/=]*$/g.test(input);
//   }
   
//   function base64toPem(base64) {
//   	const urlDecoded = base64.replace(/-/g, '+').replace(/_/g, '/');
   
//   	return [
//   		'-----BEGIN PUBLIC KEY-----',
//   		...urlDecoded.match(/.{1,64}/g),
//   		'-----END PUBLIC KEY-----',
//   	].join('\n');
//   }

// TokenVerification.prototype.verifyToken = function verifyToken(publicKey, token) {
//     if (typeof token !== 'object' || !token) throw new Error('Invalid token object');
// 	if (!Object.prototype.hasOwnProperty.call(token, 'signature')) throw new Error('token.signature is missing');
// 	if (!Object.prototype.hasOwnProperty.call(token, 'signedFields')) throw new Error('token.signedFields is missing');
 
// 	let pem;
// 	if (typeof publicKey === 'object') pem = jwkToPem(publicKey);
// 	else if (isPemFormattedString(publicKey)) pem = publicKey;
// 	else if (isBase64String(publicKey)) pem = base64toPem(publicKey);
// 	else {
// 		throw new Error('Invalid publicKey parameter');
// 	}
 
// 	const dataToVerify = token.signedFields.split(',').map(field => token[field]).join(',');
// 	return crypto.createVerify('RSA-SHA512').update(dataToVerify).verify(pem, token.signature, 'base64');
// };

// module.exports = TokenVerification;