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app.js
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app.js
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// Copyright 2015-2016, Google, Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
'use strict';
const path = require('path');
const express = require('express');
const helmet = require('helmet');
const session = require('express-session');
const MemcachedStore = require('connect-memcached')(session);
const passport = require('passport');
const config = require('./config');
const nunjucks = require('nunjucks');
const nunjucksDateFilter = require('nunjucks-date-filter');
const app = express();
app.locals.date = new Date();
app.disable('etag');
const env = nunjucks.configure('templates', {
autoescape: false,
express: app
});
env.addFilter('date', nunjucksDateFilter);
app.use(helmet());
app.use(helmet.contentSecurityPolicy({
directives: {
defaultSrc: ["'self'"],
fontSrc: ["'self'", 'maxcdn.bootstrapcdn.com'],
scriptSrc: ["'self'", 'cdn.jsdelivr.net'],
styleSrc: ["'self'", 'maxcdn.bootstrapcdn.com', 'cdn.jsdelivr.net']
}
}))
app.disable('x-powered-by');
app.set('trust proxy', true);
// [START session]
// Configure the session and session storage.
const sessionConfig = {
resave: false,
saveUninitialized: false,
secret: config.get('SECRET'),
signed: true
};
// In production use the App Engine Memcache instance to store session data,
// otherwise fallback to the default MemoryStore in development.
if (config.get('NODE_ENV') === 'production') {
sessionConfig.store = new MemcachedStore({
hosts: [config.get('MEMCACHE_URL')]
});
}
app.use(session(sessionConfig));
// [END session]
// OAuth2
app.use(passport.initialize());
app.use(passport.session());
app.use(require('./lib/oauth2').router);
// Pages
app.use(express.static('static'))
app.use('/pages', require('./pages/templates'));
app.use('/admin', require('./pages/crud'));
app.use('/api/pages', require('./pages/api'));
// Redirect root to /pages
app.get('/', (req, res) => {
res.redirect('/pages');
});
// Basic 404 handler
app.use((req, res) => {
res.status(404).send('Not Found');
});
// Basic error handler
app.use((err, req, res, next) => {
/* jshint unused:false */
console.error(err);
// If our routes specified a specific response, then send that. Otherwise,
// send a generic message so as not to leak anything.
res.status(500).send(err.response || 'Something broke!');
});
if (module === require.main) {
// Start the server
const server = app.listen(config.get('PORT'), () => {
const port = server.address().port;
console.log(`App listening on port ${port}`);
});
}
module.exports = app;