46 lines
1.8 KiB
Plaintext
46 lines
1.8 KiB
Plaintext
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import { decode as decodeBase64URL } from '../runtime/base64url.js';
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import { fromSPKI, fromPKCS8, fromX509 } from '../runtime/asn1.js';
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import asKeyObject from '../runtime/jwk_to_key.js';
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import { JOSENotSupported } from '../util/errors.js';
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import isObject from '../lib/is_object.js';
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export async function importSPKI(spki, alg, options) {
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if (typeof spki !== 'string' || spki.indexOf('-----BEGIN PUBLIC KEY-----') !== 0) {
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throw new TypeError('"spki" must be SPKI formatted string');
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}
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return fromSPKI(spki, alg, options);
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}
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export async function importX509(x509, alg, options) {
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if (typeof x509 !== 'string' || x509.indexOf('-----BEGIN CERTIFICATE-----') !== 0) {
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throw new TypeError('"x509" must be X.509 formatted string');
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}
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return fromX509(x509, alg, options);
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}
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export async function importPKCS8(pkcs8, alg, options) {
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if (typeof pkcs8 !== 'string' || pkcs8.indexOf('-----BEGIN PRIVATE KEY-----') !== 0) {
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throw new TypeError('"pkcs8" must be PKCS#8 formatted string');
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}
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return fromPKCS8(pkcs8, alg, options);
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}
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export async function importJWK(jwk, alg) {
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if (!isObject(jwk)) {
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throw new TypeError('JWK must be an object');
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}
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alg || (alg = jwk.alg);
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switch (jwk.kty) {
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case 'oct':
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if (typeof jwk.k !== 'string' || !jwk.k) {
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throw new TypeError('missing "k" (Key Value) Parameter value');
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}
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return decodeBase64URL(jwk.k);
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case 'RSA':
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if (jwk.oth !== undefined) {
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throw new JOSENotSupported('RSA JWK "oth" (Other Primes Info) Parameter value is not supported');
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}
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case 'EC':
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case 'OKP':
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return asKeyObject({ ...jwk, alg });
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default:
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throw new JOSENotSupported('Unsupported "kty" (Key Type) Parameter value');
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}
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}
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