mrnodebot/scripts/owner/expose.js

Your Friendly NodeJS IRC Bot

const scriptInfo = {
    name: 'Expose',
    desc: 'Open a web server and advertise it in a channel for a specified period of time. ' +
    'Any IRC client that is auto pulling websites will get their IP posted back',
    createdBy: 'IronY',
};
const randToken = require('rand-token');
const mapSearch = require('../../helpers').MapSearch;

module.exports = (app) => {
    const tokens = new Map();

    // Register Route with Application
    const exposeRoute = (req, res) => {
        const token = req.params.token;
        const ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
        if (!tokens.has(token) || !ip) {
            res.status(503).send({
                status: 503,
                message: 'unauthorized',
                type: 'unauthorized',
            });
            return;
        }
        app.say(tokens.get(token), `${ip} is currently logging this channel.`);
        res.status(404).send({
            status: 404,
            message: 'Not Found',
            type: 'notfound',
        });
    };
    app.WebRoutes.set('expose', {
        handler: exposeRoute,
        desc: 'Image Front End',
        path: '/expose/:token',
        name: 'expose',
    });

    const expose = (to, from, text, message) => {
        // Make sure we do not already have the token
        if (mapSearch(tokens, to)) {
            app.say(to, `${to} is already exposed ${from}`);
            return;
        }

        let token = '';
        do {
            token = randToken.generate(8);
        } while (tokens.has(token));

        tokens.set(token, to);

        const path = app.WebServer.namedRoutes.build('expose', {
            token,
        });

        const url = `${app.Config.express.address}${path}`;

        app.say(to, `-- Do not click this link if you do not wish to be Exposed -- ${app.nick} ${url}`);

        setTimeout(() => {
            tokens.delete(token);
            app.say(to, `Expose is no longer listening on ${to}.`);
        }, 60000);
    };
    app.Commands.set('expose', {
        desc: 'See who is listening to your channel via a link callback',
        access: app.Config.accessLevels.owner,
        call: expose,
    });

    return scriptInfo;
};