fox-send/server/fxa.js

47 lines
1.1 KiB
JavaScript

const fetch = require('node-fetch');
const config = require('./config');
const KEY_SCOPE = 'https://identity.mozilla.com/apps/send';
let fxaConfig = null;
let lastConfigRefresh = 0;
async function getFxaConfig() {
if (fxaConfig && Date.now() - lastConfigRefresh < 1000 * 60 * 5) {
return fxaConfig;
}
const res = await fetch(`${config.fxa_url}/.well-known/openid-configuration`);
fxaConfig = await res.json();
lastConfigRefresh = Date.now();
return fxaConfig;
}
module.exports = {
getFxaConfig,
verify: async function(token) {
if (!token) {
return null;
}
const c = await getFxaConfig();
try {
const verifyUrl = c.jwks_uri.replace('jwks', 'verify'); //HACK
const result = await fetch(verifyUrl, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ token })
});
const info = await result.json();
if (
info.scope &&
Array.isArray(info.scope) &&
info.scope.includes(KEY_SCOPE)
) {
return info.user;
}
} catch (e) {
// gulp
}
return null;
}
};