class Callback in Instagram API 8

Class Instagram Callback Controller.

@package Drupal\instagram_api\Controller

Hierarchy

• class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\instagram_api\Controller\Callback

File

src/Controller/Callback.php, line 20

Namespace

Drupal\instagram_api\Controller

class Callback extends ControllerBase {

  /**
   * The logger factory.
   *
   * @var \Drupal\Core\Logger\LoggerChannelFactoryInterface
   */
  protected $loggerFactory;

  /**
   * Callback Controller constructor.
   *
   * @param \Drupal\Core\Config\ConfigFactory $config
   *   An instance of ConfigFactory.
   * @param \Drupal\Core\Logger\LoggerChannelFactoryInterface $loggerFactory
   *   LoggerChannelFactoryInterface.
   */
  public function __construct(ConfigFactory $config, LoggerChannelFactoryInterface $loggerFactory) {
    $this->config = $config
      ->get('instagram_api.settings');
    $this->configEditable = $config
      ->getEditable('instagram_api.settings');
    $this->loggerFactory = $loggerFactory;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('config.factory'), $container
      ->get('logger.factory'));
  }

  /**
   * Callback URL for Instagram Auth.
   */
  public function callbackUrl(Request $request) {

    // TODO
    // Add a secure hash param to the previous request
    // And validate on return if this hash is valid.
    $code = $request
      ->get('code');

    // Try to get the token.
    $token = $this
      ->getToken($code);

    // If token is not empty.
    if ($token != FALSE) {

      // Save the token.
      $this->configEditable
        ->set('access_token', $token)
        ->save();
      $markup = $this
        ->t("Access token saved");
    }
    else {
      $markup = $this
        ->t("Failed to get access token. Check log messages.");
    }
    return [
      '#markup' => $markup,
    ];
  }

  /**
   * Fetch Instagram Token.
   */
  public function getToken($code) {

    // Guzzle Client.
    $guzzleClient = new GuzzleClient([
      'base_uri' => $this->config
        ->get('api_uri'),
    ]);

    // Params.
    $parameters = [
      'client_id' => $this->config
        ->get('client_id'),
      'client_secret' => $this->config
        ->get('client_secret'),
      'redirect_uri' => Url::fromUri('internal:/instagram_api/callback', [
        'absolute' => TRUE,
      ])
        ->toString(),
      'grant_type' => 'authorization_code',
      'code' => $code,
    ];
    try {
      $response = $guzzleClient
        ->request('POST', 'access_token', [
        'form_params' => $parameters,
      ]);
      if ($response
        ->getStatusCode() == 200) {

        // TODO Add debugging options.
        // kint($response->getBody()->getContents());
        $contents = $response
          ->getBody()
          ->getContents();
        return Json::decode($contents)['access_token'];
      }
    } catch (GuzzleException $e) {

      // TODO Add debugging options.
      // kint($e);
      $this->loggerFactory
        ->get('instagram_api')
        ->error("@message", [
        '@message' => $e
          ->getMessage(),
      ]);
      return FALSE;
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Callback::$loggerFactory	protected	property	The logger factory. Overrides LoggerChannelTrait::$loggerFactory
Callback::callbackUrl	public	function	Callback URL for Instagram Auth.
Callback::create	public static	function	Instantiates a new instance of this class. Overrides ControllerBase::create
Callback::getToken	public	function	Fetch Instagram Token.
Callback::__construct	public	function	Callback Controller constructor.
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	1
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityManager	protected	property	The entity manager.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	2
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	2
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::currentUser	protected	function	Returns the current user.	1
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityManager Deprecated	protected	function	Retrieves the entity manager service.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	2
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	2
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state	protected	function	Returns the state storage service.
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.