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TwitterLinkController.php in Open Social 8.5

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modules/custom/social_auth_twitter/src/Controller/TwitterLinkController.php
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<?php

namespace Drupal\social_auth_twitter\Controller;

use Drupal\Core\Controller\ControllerBase;
use Drupal\social_api\Plugin\NetworkManager;
use Drupal\social_auth_twitter\TwitterAuthManager;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\user\Entity\User;
use Drupal\Core\Routing\TrustedRedirectResponse;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\RedirectResponse;

/**
 * Class TwitterLinkController.
 *
 * @package Drupal\social_auth_twitter\Controller
 */
class TwitterLinkController extends ControllerBase {
  protected $networkManager;
  protected $authManager;
  protected $request;

  /**
   * TwitterLinkController constructor.
   */
  public function __construct(NetworkManager $network_manager, TwitterAuthManager $auth_manager, RequestStack $request_stack) {
    $this->networkManager = $network_manager;
    $this->authManager = $auth_manager;
    $this->request = $request_stack
      ->getCurrentRequest();
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('plugin.network.manager'), $container
      ->get('social_auth_twitter.auth_manager'), $container
      ->get('request_stack'));
  }

  /**
   * Response for path 'social-api/link/linkedin'.
   *
   * Redirects the user to Twitter for joining accounts.
   */
  public function linkAccount() {
    $sdk = $this
      ->getSdk();
    if ($sdk instanceof RedirectResponse) {
      return $sdk;
    }
    $this->authManager
      ->setSdk($sdk);
    $url = $this->authManager
      ->getAuthenticationUrl('link');
    return new TrustedRedirectResponse($url);
  }

  /**
   * Makes joining between account on this site and account on social network.
   *
   * @return \Symfony\Component\HttpFoundation\RedirectResponse
   *   A RedirectResponse pointing to the user edit form.
   */
  public function linkAccountCallback() {
    $sdk = $this
      ->getSdk();
    if ($sdk instanceof RedirectResponse) {
      return $sdk;
    }
    $network_manager = $this->networkManager
      ->createInstance('social_auth_twitter');
    $data_handler = $network_manager
      ->getDataHandler();

    // Get the Twitter OAuth token from storage.
    if (!($oauth_token = $data_handler
      ->get('oauth_token')) || !($oauth_token_secret = $data_handler
      ->get('oauth_token_secret'))) {
      drupal_set_message($this
        ->t('Twitter login failed. Token or Token Secret is not valid.'), 'error');
      return $this
        ->redirect('entity.user.edit_form', [
        'user' => $this
          ->currentUser()
          ->id(),
      ]);
    }
    $this->authManager
      ->setSdk($sdk);
    $this->authManager
      ->setAccessToken([
      'oauth_token' => $oauth_token,
      'oauth_token_secret' => $oauth_token_secret,
    ]);

    // Get the permanent access token.
    $access_token = $sdk
      ->oauth('oauth/access_token', [
      'oauth_verifier' => $this->request
        ->get('oauth_verifier'),
    ]);
    $this->authManager
      ->setAccessToken([
      'oauth_token' => $access_token['oauth_token'],
      'oauth_token_secret' => $access_token['oauth_token_secret'],
    ]);

    // Get user's profile from Twitter API.
    if (!$this->authManager
      ->getProfile() || !($account_id = $this->authManager
      ->getAccountId())) {
      drupal_set_message($this
        ->t('@network login failed, could not load @network profile. Contact site administrator.', [
        '@network' => $this
          ->t('Twitter'),
      ]), 'error');
      return $this
        ->redirect('entity.user.edit_form', [
        'user' => $this
          ->currentUser()
          ->id(),
      ]);
    }

    // Check whether any another user account already connected.
    $account = $this
      ->entityTypeManager()
      ->getStorage('user')
      ->loadByProperties([
      'twitter_id' => $account_id,
    ]);
    $account = current($account);

    // Check whether another account was connected to this Twitter account.
    if ($account && (int) $account
      ->id() !== (int) $this
      ->currentUser()
      ->id()) {
      drupal_set_message($this
        ->t('Your @network account has already connected to another account on this site.', [
        '@network' => $this
          ->t('Twitter'),
      ]), 'warning');
      return $this
        ->redirect('entity.user.edit_form', [
        'user' => $this
          ->currentUser()
          ->id(),
      ]);
    }
    $account = User::load($this
      ->currentUser()
      ->id());
    $account
      ->get('twitter_id')
      ->setValue($account_id);
    $account
      ->save();
    drupal_set_message($this
      ->t('You are now able to log in with @network', [
      '@network' => $this
        ->t('Twitter'),
    ]));
    return $this
      ->redirect('entity.user.edit_form', [
      'user' => $account
        ->id(),
    ]);
  }

  /**
   * Returns the SDK instance or RedirectResponse when error occurred.
   *
   * @return mixed|\Symfony\Component\HttpFoundation\RedirectResponse
   *   Can return an SDK instance or a RedirectResponse to the user edit form.
   */
  public function getSdk() {
    $network_manager = $this->networkManager
      ->createInstance('social_auth_twitter');
    if (!$network_manager
      ->isActive()) {
      drupal_set_message($this
        ->t('@network is disallowed. Contact site administrator.', [
        '@network' => $this
          ->t('Twitter'),
      ]), 'error');
      return $this
        ->redirect('entity.user.edit_form', [
        'user' => $this
          ->currentUser()
          ->id(),
      ]);
    }
    if (!($sdk = $network_manager
      ->getSdk())) {
      drupal_set_message($this
        ->t('@network Auth not configured properly. Contact site administrator.', [
        '@network' => $this
          ->t('Twitter'),
      ]), 'error');
      return $this
        ->redirect('entity.user.edit_form', [
        'user' => $this
          ->currentUser()
          ->id(),
      ]);
    }
    return $sdk;
  }

}

Classes

Namesort descending Description
TwitterLinkController Class TwitterLinkController.