Edit File: koa.js
const { ArgumentError } = require('../errors'); const { JwksClient } = require('../JwksClient'); const supportedAlg = require('./config'); module.exports.koaJwtSecret = function (options = {}) { if (!options.jwksUri) { throw new ArgumentError('No JWKS provided. Please provide a jwksUri'); } const client = new JwksClient(options); return function secretProvider({ alg, kid } = {}) { return new Promise((resolve, reject) => { if (!supportedAlg.includes(alg)) { return reject(new Error('Missing / invalid token algorithm')); } client.getSigningKey(kid) .then(key => { resolve(key.publicKey || key.rsaPublicKey); }).catch(err => { if (options.handleSigningKeyError) { return options.handleSigningKeyError(err).then(reject); } return reject(err); }); }); }; };
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