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34 lines
760 B
PHP
34 lines
760 B
PHP
<?php
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/**
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* Copyright © Magento, Inc. All rights reserved.
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* See COPYING.txt for license details.
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*/
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namespace Magento\PageCache\Model\App\Response;
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use Magento\Framework\App\PageCache\NotCacheableInterface;
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use Magento\Framework\App\Response\Http as HttpResponse;
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/**
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* HTTP response plugin for frontend.
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*/
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class HttpPlugin
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{
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/**
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* Set proper value of X-Magento-Vary cookie.
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*
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* @param HttpResponse $subject
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* @return void
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*/
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public function beforeSendResponse(HttpResponse $subject)
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{
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if ($subject instanceof NotCacheableInterface
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|| $subject->headersSent()
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|| $subject->getMetadata("NotCacheable")
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) {
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return;
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}
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$subject->sendVary();
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}
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}
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