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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Superdesk Web Publisher Facebook Instant Articles Bundle. |
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* |
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* Copyright 2016 Sourcefabric z.ú. and contributors. |
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* |
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* For the full copyright and license information, please see the |
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* AUTHORS and LICENSE files distributed with this source code. |
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* |
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* @copyright 2016 Sourcefabric z.ú |
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* @license http://www.superdesk.org/license |
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*/ |
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namespace SWP\Bundle\FacebookInstantArticlesBundle\Manager; |
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use Facebook; |
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class FacebookInstantArticlesManager implements FacebookInstantArticlesManagerInterface |
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{ |
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/** |
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* @var FacebookManagerInterface |
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*/ |
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protected $facebookManager; |
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/** |
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* FacebookInstantArticlesManager constructor. |
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* |
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* @param FacebookManagerInterface $facebookManager |
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*/ |
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public function __construct(FacebookManagerInterface $facebookManager) |
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{ |
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$this->facebookManager = $facebookManager; |
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} |
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/** |
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* @return FacebookManagerInterface |
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*/ |
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public function getFacebookManager() |
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{ |
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return $this->facebookManager; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getPageAccessToken(Facebook\Facebook $facebook, $pageId) |
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{ |
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return $this->loopThroughPagesAndFindOneById($facebook, $this->getPagesAndTokens($facebook), $pageId); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getPagesAndTokens(Facebook\Facebook $facebook) |
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{ |
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$userAccessToken = $facebook->getRedirectLoginHelper()->getAccessToken(); |
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$helper = new Facebook\InstantArticles\Client\Helper($facebook); |
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return $helper->getPagesAndTokens($userAccessToken); |
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} |
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/** |
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* @param Facebook\Facebook $facebook |
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* @param Facebook\GraphNodes\GraphEdge $pagesAndAccessTokens |
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* @param string $pageId |
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* |
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* @return string|null |
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*/ |
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private function loopThroughPagesAndFindOneById($facebook, $pagesAndAccessTokens, $pageId) |
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{ |
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foreach ($pagesAndAccessTokens as $page) { |
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/** @var Facebook\GraphNodes\GraphNode $page */ |
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$page = $page->asArray(); |
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if ($page['id'] == $pageId) { |
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return $page['access_token']; |
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} |
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} |
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if (null !== $nextPagesAndAccessTokens = $facebook->next($pagesAndAccessTokens)) { |
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return $this->loopThroughPagesAndFindOneById($facebook, $nextPagesAndAccessTokens, $pageId); |
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} |
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return; |
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} |
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} |
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Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: