send/server/routes/fxa.js
2018-08-30 22:10:08 -07:00

96 lines
2.5 KiB
JavaScript

const { URLSearchParams } = require('url');
const fetch = require('node-fetch');
const config = require('../config');
const pages = require('./pages');
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(`${config.fxa_url}/.well-known/openid-configuration`);
fxaConfig = await res.json();
lastConfigRefresh = Date.now();
return fxaConfig;
}
module.exports = {
login: async function(req, res) {
const query = req.query;
if (!query || !query.keys_jwk) {
return res.sendStatus(400);
}
const c = await getFxaConfig();
const params = new URLSearchParams({
client_id: config.fxa_client_id,
redirect_uri: `${config.base_url}/api/fxa/oauth`,
state: 'todo',
scope: `profile ${KEY_SCOPE}`,
action: 'email',
keys_jwk: query.keys_jwk
});
res.redirect(`${c.authorization_endpoint}?${params.toString()}`);
},
oauth: async function(req, res) {
const query = req.query;
if (!query || !query.code || !query.state || !query.action) {
return res.sendStatus(400);
}
const c = await getFxaConfig();
const x = await fetch(c.token_endpoint, {
method: 'POST',
body: JSON.stringify({
code: query.code,
client_id: config.fxa_client_id,
client_secret: config.fxa_client_secret
}),
headers: {
'content-type': 'application/json'
}
});
const zzz = await x.json();
console.error(zzz);
const p = await fetch(c.userinfo_endpoint, {
method: 'GET',
headers: {
authorization: `Bearer ${zzz.access_token}`
}
});
const userInfo = await p.json();
userInfo.keys_jwe = zzz.keys_jwe;
userInfo.access_token = zzz.access_token;
req.userInfo = userInfo;
pages.index(req, res);
},
verify: async function(token) {
if (!token) {
return null;
}
const c = await getFxaConfig();
try {
const verifyUrl = c.jwks_uri.replace('jwks', 'verify');
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;
}
};