freeCodeCamp/api-server/server/component-passport.js

143 lines
3.5 KiB
JavaScript

import passport from 'passport';
// eslint-disable-next-line
import {
// prettier ignore
PassportConfigurator
} from '@freecodecamp/loopback-component-passport';
import url from 'url';
import dedent from 'dedent';
import { getUserById } from './utils/user-stats';
import { homeLocation } from '../../config/env';
import passportProviders from './passport-providers';
import { setAccessTokenToResponse } from './utils/getSetAccessToken';
const passportOptions = {
emailOptional: true,
profileToUser: null
};
PassportConfigurator.prototype.init = function passportInit(noSession) {
this.app.middleware('session:after', passport.initialize());
if (noSession) {
return;
}
this.app.middleware('session:after', passport.session());
// Serialization and deserialization is only required if passport session is
// enabled
passport.serializeUser((user, done) => done(null, user.id));
passport.deserializeUser(async (id, done) => {
const user = await getUserById(id).catch(done);
return done(null, user);
});
};
export function setupPassport(app) {
const configurator = new PassportConfigurator(app);
configurator.setupModels({
userModel: app.models.user,
userIdentityModel: app.models.userIdentity,
userCredentialModel: app.models.userCredential
});
configurator.init();
Object.keys(passportProviders).map(function(strategy) {
let config = passportProviders[strategy];
config.session = config.session !== false;
config.customCallback = !config.useCustomCallback
? null
: createPassportCallbackAuthenticator(strategy, config);
configurator.configureProvider(strategy, {
...config,
...passportOptions
});
});
}
export const saveResponseAuthCookies = () => {
return (req, res, next) => {
const user = req.user;
if (!user) {
return res.redirect('/signin');
}
const { accessToken } = user;
setAccessTokenToResponse({ accessToken }, req, res);
return next();
};
};
export const loginRedirect = () => {
return (req, res) => {
const successRedirect = req => {
if (!!req && req.session && req.session.returnTo) {
delete req.session.returnTo;
return `${homeLocation}/welcome`;
}
return `${homeLocation}/welcome`;
};
let redirect = url.parse(successRedirect(req), true);
delete redirect.search;
redirect = url.format(redirect);
return res.redirect(redirect);
};
};
export const createPassportCallbackAuthenticator = (strategy, config) => (
req,
res,
next
) => {
return passport.authenticate(
strategy,
{ session: false },
(err, user, userInfo) => {
if (err) {
return next(err);
}
if (!user || !userInfo) {
return res.redirect('/signin');
}
const redirect = `${homeLocation}/welcome`;
const { accessToken } = userInfo;
const { provider } = config;
if (accessToken && accessToken.id) {
if (provider === 'auth0') {
req.flash(
'success',
dedent`
Success! You have signed in to your account. Happy Coding!
`
);
} else if (user.email) {
req.flash(
'info',
dedent`
We are moving away from social authentication for privacy reasons. Next time
we recommend using your email address: ${user.email} to sign in instead.
`
);
}
setAccessTokenToResponse({ accessToken }, req, res);
req.login(user);
}
return res.redirectWithFlash(redirect);
}
)(req, res, next);
};