VandyHacks/vaken

import { Express } from 'express';
import passport from 'passport';

export interface StrategyNames {
    displayName: string;
    name: string;
    scopes: string[];
}

export const registerAuthRoutes = (app: Express, strategies: StrategyNames[]): void => {
    passport.serializeUser((user, done) => void done(null, user));
    passport.deserializeUser((user, done) => void done(null, user));

    strategies.forEach(({ name: authName, scopes }) => {
        app.get(`/api/auth/${authName}`, passport.authenticate(authName, { scope: scopes }));
        app.get(
            `/api/auth/${authName}/callback`,
            passport.authenticate(authName, {
                failureRedirect: '/login',
            }),
            (_, res) => void res.redirect('/')
        );
    });

    app.get('/api/logout', (req, res) => {
        req.logout();
        res.redirect('/');
    });

    // register master route that gives all providers
    // using restful because it's weird for part of auth to not be restful
    app.get('/api/auth', (_, res) => {
        res.send(strategies);
    });
};

export default {
    registerAuthRoutes,
};