@uppy/companion/lib/server/controllers/preauth.js

OAuth helper and remote fetcher for Uppy's (https://uppy.io) extensible file upload widget with support for drag&drop, resumable uploads, previews, restrictions, file processing/encoding, remote providers like Dropbox and Google Drive, S3 and more :dog:

import * as tokenService from '../helpers/jwt.js';
import logger from '../logger.js';
export default function preauth(req, res) {
    if (!req.body || !req.body.params) {
        logger.info('invalid request data received', 'preauth.bad');
        return res.sendStatus(400);
    }
    const providerConfig = req.companion.options.providerOptions[req.params.providerName];
    if (!providerConfig?.credentialsURL) {
        return res.sendStatus(501);
    }
    const preAuthToken = tokenService.generateEncryptedToken(req.body.params, req.companion.options.preAuthSecret);
    return res.json({ token: preAuthToken });
}