dbmedialab/reader-critics

//
// LESERKRITIKK v2 (aka Reader Critics)
// Copyright (C) 2017 DB Medialab/Aller Media AS, Oslo, Norway
// https://github.com/dbmedialab/reader-critics/
//
// This program is free software: you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation, either version 3 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with
// this program. If not, see <http://www.gnu.org/licenses/>.
//

import * as express from 'express';

import { Application, Request, Response } from 'express';
import { parse } from 'url';

import * as session from 'express-session';
import * as passport from 'passport';

import {
    deserializeUser,
    localStrategy,
    serializeUser,
} from 'app/middleware/config/passportConfig';

import adminRoute from './admin/adminRoute';
import adminApiRoute from './admin/api/adminApiRoute';
import apiRoute from './apiRoute';
import faviconRoute from './faviconRoute';
import fakeWidgetRoute from './fakeWidgetRoute';
import feedbackRoute from './feedbackRoute';
import homeRoute from './homeRoute';
import staticRoute from './staticRoute';
import suggestionRoute from './suggestionRoute';

import {
    catchAllErrorHandler,
    notFoundHandler,
} from './errorHandlers';

import { getSessionConfig } from 'app/middleware/config/sessionConfig';

import * as app from 'app/util/applib';

const log = app.createLog();

// Main

export default function (expressApp : Application) {
    if (!app.isProduction) {
        expressApp.use(logRequest);
    }

    expressApp.use(session(getSessionConfig()));

    // Passport init
    passport.use(localStrategy);
    passport.serializeUser(serializeUser);
    passport.deserializeUser(deserializeUser);

    expressApp.use(passport.initialize());
    expressApp.use(passport.session());

    setOptions(expressApp);
    setRoutes(expressApp);
    setErrorHandlers(expressApp);
}

// Express routes

function setRoutes (expressApp : express.Application) {
    log('Setting Express routes');

    expressApp.use(faviconRoute);

    expressApp.use('/static', staticRoute);

    expressApp.use('/api', apiRoute);
    expressApp.use('/fake-widget', fakeWidgetRoute);
    expressApp.use('/fb', feedbackRoute);
    expressApp.use('/suggestion-box', suggestionRoute);
    expressApp.use('/admin/api', adminApiRoute);
    expressApp.use('/admin', adminRoute);

    expressApp.use('/', homeRoute);

    expressApp.use(notFoundHandler);
}

// Express application options

function setOptions (expressApp : express.Application) {
    log('Setting Express options');

    expressApp.set('view', undefined);
    expressApp.set('views', undefined);

    expressApp.set('x-powered-by', false);
}

// Express error handlers

function setErrorHandlers (expressApp : express.Application) {
    expressApp.use(catchAllErrorHandler);
}

// Log all express requests

function logRequest (requ : Request, resp: Response, next : Function) {
    const url = parse(requ.url);

    if (url.query === null) {
        log(url.pathname);
    }
    else {
        log(url.pathname, requ.query);
    }

    next();
}