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const FacebookStrategy = require('passport-facebook').Strategy;
const User = require('../models/User');
const config = require('../../config/loader');
const domains = config.domains;
const facebookLogin = async (accessToken, refreshToken, profile, cb) => {
try {
const email = profile.emails[0]?.value;
const facebookId = profile.id;
const oldUser = await User.findOne({
email,
});
const ALLOW_SOCIAL_REGISTRATION =
process.env.ALLOW_SOCIAL_REGISTRATION?.toLowerCase() === 'true';
if (oldUser) {
oldUser.avatar = profile.photo;
await oldUser.save();
return cb(null, oldUser);
} else if (ALLOW_SOCIAL_REGISTRATION) {
const newUser = await new User({
provider: 'facebook',
facebookId,
username: profile.displayName,
email,
name: profile.name?.givenName + ' ' + profile.name?.familyName,
avatar: profile.photos[0]?.value,
}).save();
return cb(null, newUser);
}
return cb(null, false, {
message: 'User not found.',
});
} catch (err) {
console.error(err);
return cb(err);
}
};
module.exports = () =>
new FacebookStrategy(
{
clientID: process.env.FACEBOOK_CLIENT_ID,
clientSecret: process.env.FACEBOOK_CLIENT_SECRET,
callbackURL: `${domains.server}${process.env.FACEBOOK_CALLBACK_URL}`,
proxy: true,
scope: ['public_profile'],
profileFields: ['id', 'email', 'name'],
},
facebookLogin,
);
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