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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | 2x 2x 2x 2x 2x 2x 9x 1x 8x 8x 8x 7x 2x 5x 5x 3x 2x | import { ArgumentError } from '../errors';
import { JwksClient } from '../JwksClient';
const handleSigningKeyError = (err, cb) => {
// If we didn't find a match, can't provide a key.
Eif (err && err.name === 'SigningKeyNotFoundError') {
return cb(null);
}
// If an error occured like rate limiting or HTTP issue, we'll bubble up the error.
if (err) {
return cb(err);
}
};
module.exports.expressJwtSecret = (options) => {
if (options === null || options === undefined) {
throw new ArgumentError('An options object must be provided when initializing expressJwtSecret');
}
const client = new JwksClient(options);
const onError = options.handleSigningKeyError ||Â handleSigningKeyError;
return function secretProvider(req, header, payload, cb) {
// Only RS256 is supported.
if (!header ||Â header.alg !== 'RS256') {
return cb(null, null);
}
client.getSigningKey(header.kid, (err, key) => {
if (err) {
return onError(err, (newError) => cb(newError, null));
}
// Provide the key.
return cb(null, key.publicKey || key.rsaPublicKey);
});
};
};
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