@uppy/companion/lib/server/controllers/logout.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 { respondWithError } from '../provider/error.js';
/**
 *
 * @param {object} req
 * @param {object} res
 */
export default async function logout(req, res, next) {
    const cleanSession = () => {
        if (req.session.grant) {
            req.session.grant.state = null;
            req.session.grant.dynamic = null;
        }
    };
    const { companion } = req;
    const { providerUserSession } = companion;
    if (!providerUserSession) {
        cleanSession();
        res.json({ ok: true, revoked: false });
        return;
    }
    try {
        const data = await companion.provider.logout({
            providerUserSession,
            companion,
        });
        delete companion.providerUserSession;
        tokenService.removeFromCookies(res, companion.options, companion.providerClass.oauthProvider);
        cleanSession();
        res.json({ ok: true, ...data });
    }
    catch (err) {
        if (respondWithError(err, res))
            return;
        next(err);
    }
}