35 lines
1.0 KiB
Plaintext
35 lines
1.0 KiB
Plaintext
import { JOSEError, JWKSTimeout } from '../util/errors.js';
|
|
const fetchJwks = async (url, timeout, options) => {
|
|
let controller;
|
|
let id;
|
|
let timedOut = false;
|
|
if (typeof AbortController === 'function') {
|
|
controller = new AbortController();
|
|
id = setTimeout(() => {
|
|
timedOut = true;
|
|
controller.abort();
|
|
}, timeout);
|
|
}
|
|
const response = await fetch(url.href, {
|
|
signal: controller ? controller.signal : undefined,
|
|
redirect: 'manual',
|
|
headers: options.headers,
|
|
}).catch((err) => {
|
|
if (timedOut)
|
|
throw new JWKSTimeout();
|
|
throw err;
|
|
});
|
|
if (id !== undefined)
|
|
clearTimeout(id);
|
|
if (response.status !== 200) {
|
|
throw new JOSEError('Expected 200 OK from the JSON Web Key Set HTTP response');
|
|
}
|
|
try {
|
|
return await response.json();
|
|
}
|
|
catch {
|
|
throw new JOSEError('Failed to parse the JSON Web Key Set HTTP response as JSON');
|
|
}
|
|
};
|
|
export default fetchJwks;
|