lib/csp.js

// Copyright (c) 2018, Rubén Rincón
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice,
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

const _ = require('underscore');

const data = {
    'default-src': ["'self'", 'https://*.godbolt.org', 'localhost:*', 'https://*.compiler-explorer.com'],
    'style-src': ["'self'", "'unsafe-inline'", 'https://*.godbolt.org', 'localhost:*',
        'https://*.compiler-explorer.com'],
    'script-src': ["'self'", "'unsafe-inline'", 'data:', 'https://*.godbolt.org', 'localhost:*',
        'https://*.compiler-explorer.com',
        'https://*.twitter.com', 'https://www.google-analytics.com',
        'https://apis.google.com', 'https://ssl.google-analytics.com', 'https://sentry.io/'],
    'img-src': ["'self'", 'https://*.godbolt.org', 'localhost:*',
        'https://*.compiler-explorer.com', 'data:', 'https://www.google-analytics.com/',
        'https://syndication.twitter.com', 'https://ssl.google-analytics.com', 'https://csi.gstatic.com'],
    'font-src': ["'self'", 'data:', 'https://*.godbolt.org', 'localhost:*',
        'https://*.compiler-explorer.com', 'https://fonts.gstatic.com',
        'https://themes.googleusercontent.com'],
    'frame-src': ["'self'", 'https://*.godbolt.org', 'localhost:*',
        'https://*.compiler-explorer.com', 'https://www.google-analytics.com',
        'https://accounts.google.com/', 'https://content.googleapis.com/',
        'https://sentry.io', 'https://platform.twitter.com/', 'https://syndication.twitter.com/'],
    'connect-src': ["'self'", '*', 'https://*.godbolt.org', 'localhost:*',
        'https://*.compiler-explorer.com', 'https://api.github.com'],
    'media-src': ["'self'", 'https://ssl.gstatic.com', 'https://*.godbolt.org', 'localhost:*',
        'https://*.compiler-explorer.com']
};

module.exports = {
    data: data,
    policy: _.map(data, (value, policyKey) => `${policyKey} ${value.join(' ')}`).join(';')
};