modpacksio-common/index.js

Common code for Modpacks.io services

global.__shardId = require('node-machine-id').machineIdSync();

const permission = require('./src/permission');
const id = require('./src/id');
const security = require('./src/security');
const database = require('./src/database');
const mail = require('./src/mailer');

module.exports = Object.freeze({
    permission, id, security, ...database, handle, mail
});

function handle (controller) {
    return async (req, res) => {
        const type = req.params.type;
        if (req.params.type && type !== 'mods' && type !== 'modpacks')
            return res.send(404);
        try {
            const ip = req.headers['x-forwarded-for'] ? req.headers['x-forwarded-for'] : req.connection.remoteAddress;
            const response = await controller({
                headers: req.headers,
                params: req.params,
                query: req.query,
                cookies: req.cookies,
                ip: security.sanitize(ip.startsWith('::ffff:') ? ip.substring(7) : ip),
                body: req.body,
                type: type && type.substring(0, type.length - 1)
            });

            // Set Cookies
            if (response.cookies) {
                response.cookies.filter(cookie => !cookie.remove).forEach(cookie => res.setCookie(
                    cookie.key,
                    cookie.value,
                    cookie.options
                ));
                response.cookies.filter(cookie => cookie.remove).forEach(cookie => res.clearCookie(cookie.key));
            }

            res.headers = Object.assign({ 'Content-Type': 'application/json' }, response.headers || {});
            res.body = response.body;
            res.send(response.code || 200);
        } catch (e) {
            console.log(`Failed Request: ${e.message}`);
            console.error(e);
            res.send(400, { error: e.message || 'An unknown error has occurred.' });
        }
    }
}