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<?php |
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/** |
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* @package Oauth |
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* @author Iurii Makukh <[email protected]> |
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* @copyright Copyright (c) 2018, Iurii Makukh <[email protected]> |
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* @license https://www.gnu.org/licenses/gpl-3.0.en.html GPL-3.0-or-later |
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*/ |
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namespace gplcart\modules\oauth\controllers; |
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use Exception; |
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use gplcart\core\controllers\frontend\Controller; |
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use gplcart\modules\oauth\models\Oauth as OauthModel; |
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use InvalidArgumentException; |
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use OutOfRangeException; |
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/** |
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* Handles incoming requests and outputs data related to Oauth functionality |
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*/ |
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class Oauth extends Controller |
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{ |
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/** |
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* Oauth model instance |
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* @var \gplcart\modules\oauth\models\Oauth $oauth |
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*/ |
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protected $oauth; |
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/** |
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* The current Oauth provider |
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* @var array |
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*/ |
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protected $data_provider; |
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/** |
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* A code received from a provider |
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* @var string |
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*/ |
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protected $data_code; |
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/** |
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* A state hash received from a provider |
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* @var string |
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*/ |
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protected $data_state; |
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/** |
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* An array of data parsed from a received state |
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* @var array |
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*/ |
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protected $data_decoded_state; |
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/** |
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* An array of token data |
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* @var array |
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*/ |
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protected $data_token; |
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/** |
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* A processed authorization result |
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* @var mixed |
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*/ |
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protected $data_result; |
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/** |
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* @param OauthModel $oauth |
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*/ |
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public function __construct(OauthModel $oauth) |
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{ |
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parent::__construct(); |
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$this->oauth = $oauth; |
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} |
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/** |
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* Callback for Oauth returning URL |
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*/ |
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public function callbackOauth() |
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{ |
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try { |
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$this->setResponseOauth(); |
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$this->setTokenOauth(); |
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$this->setResultOauth(); |
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$this->redirectOauth(); |
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} catch (Exception $ex) { |
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trigger_error($ex->getMessage()); |
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$this->outputHttpStatus(403); |
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} |
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} |
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/** |
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* Set and validates received data from Oauth provider |
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* @throws InvalidArgumentException |
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*/ |
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protected function setResponseOauth() |
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{ |
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$this->data_code = $this->getQuery('code', ''); |
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$this->data_state = $this->getQuery('state', ''); |
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$this->data_decoded_state = $this->oauth->decodeState($this->data_state); |
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$this->data_provider = $this->oauth->getProvider($this->data_decoded_state['id']); |
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if (!$this->oauth->isValidState($this->data_state, $this->data_decoded_state['id'])) { |
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throw new InvalidArgumentException('Invalid state code'); |
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} |
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$domain = parse_url($this->data_decoded_state['url'], PHP_URL_HOST); |
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if (empty($domain)) { |
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throw new InvalidArgumentException('Unknown redirect domain'); |
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} |
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$store = $this->store->get($domain); |
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if (empty($store['status'])) { |
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throw new InvalidArgumentException('Invalid redirect domain'); |
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} |
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} |
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/** |
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* Does final redirect after authorization |
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*/ |
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protected function redirectOauth() |
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{ |
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if (isset($this->data_result['message'])) { |
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$this->setMessage($this->data_result['message'], $this->data_result['severity'], true); |
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} |
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if (isset($this->data_result['redirect'])) { |
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$this->redirect($this->data_result['redirect']); |
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} |
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$this->redirect($this->data_decoded_state['url']); |
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} |
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/** |
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* Set received token data |
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* @throws OutOfRangeException |
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*/ |
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protected function setTokenOauth() |
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{ |
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$query = $this->oauth->getQueryToken($this->data_provider, array('code' => $this->data_code)); |
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$this->data_token = $this->oauth->exchangeToken($this->data_provider, $query); |
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} |
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/** |
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* Set authorization result |
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*/ |
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protected function setResultOauth() |
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{ |
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if (empty($this->data_token['access_token'])) { |
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throw new OutOfRangeException('Empty Oauth access token'); |
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} |
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$this->data_result = $this->oauth->authorize($this->data_provider, array('token' => $this->data_token)); |
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$this->data_result += array( |
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'severity' => 'warning', |
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'message' => $this->text('An error occurred') |
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); |
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} |
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} |
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gplcart /
oauth
