homebrewery/server/middleware/check-client-version.js

import packageJSON from '../../package.json' with { type: "json" };

export default (req, res, next) => {
    const origin = req.get('Origin');
    const sameSite = req.get('Host');

    if (origin && origin !== `http://${sameSite}` && origin !== `https://${sameSite}`) {
        return next();  // Skip version check if the request is from another site, like naturalcrit.com
    }

    const userVersion = req.get('Homebrewery-Version');
    const version = packageJSON.version;

    if (userVersion !== version) {
        return res.status(412).send({
            message: `Client version ${userVersion} is out of date. Please save your changes elsewhere and refresh to pick up client version ${version}.`
        });
    }

    next();
};