SocialEmailMiddleware.php

<?php
/**
 * Copyright 2010 - 2019, Cake Development Corporation (https://www.cakedc.com)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright Copyright 2010 - 2018, Cake Development Corporation (https://www.cakedc.com)
 * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
 */

namespace CakeDC\Users\Middleware;

use CakeDC\Users\Utility\UsersUrl;
use Cake\Core\Configure;
use Cake\Http\Exception\NotFoundException;
use Cake\Http\ServerRequest;
use Psr\Http\Message\ResponseInterface;

class SocialEmailMiddleware extends SocialAuthMiddleware
{
    /**
     * Complete social auth with user without social e-mail
     *
     * @param \Psr\Http\Message\ServerRequestInterface $request The request.
     * @param \Psr\Http\Message\ResponseInterface $response The response.
     * @param callable $next Callback to invoke the next middleware.
     * @return \Psr\Http\Message\ResponseInterface A response
     */
    public function __invoke(ServerRequest $request, ResponseInterface $response, $next)
    {
        if (!(new UsersUrl())->checkActionOnRequest('socialEmail', $request)) {
            $request->getSession()->delete(Configure::read('Users.Key.Session.social'));

            return $next($request, $response);
        }

        if (!$request->getSession()->check(Configure::read('Users.Key.Session.social'))) {
            throw new NotFoundException();
        }

        return $this->goNext($request, $response, $next);
    }
}