65 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Class for Background of Media Library images.
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 *
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 * @link https://ewww.io
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 * @package EWWW_Image_Optimizer
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 */
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namespace EWWW;
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if ( ! defined( 'ABSPATH' ) ) {
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	exit;
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}
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/**
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 * Handles an async request used to test the viability of using async requests
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 * elsewhere.
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 *
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 * During a plugin update, an async request is sent with a specific string
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 * value to validate that nothing is blocking admin-ajax.php requests from
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 * the server to itself. Once verified, full background/parallel processing
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 * can be used.
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 *
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 * @see EWWW\Async_Request
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 */
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class Async_Test_Request extends Async_Request {
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	/**
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	 * The action name used to trigger this class extension.
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	 *
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	 * @access protected
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	 * @var string $action
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	 */
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	protected $action = 'ewwwio_test_async';
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	/**
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	 * Handles the test async request.
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	 *
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	 * Called via a POST request to verify that nothing is blocking or altering requests from the server to itself.
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	 */
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	protected function handle() {
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		session_write_close();
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		ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
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		check_ajax_referer( $this->identifier, 'nonce' );
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		if ( empty( $_POST['ewwwio_test_verify'] ) ) {
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			return;
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		}
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		$item = sanitize_key( $_POST['ewwwio_test_verify'] );
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		ewwwio_debug_message( "testing async handling, received $item" );
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		if ( ewww_image_optimizer_detect_wpsf_location_lock() ) {
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			ewwwio_debug_message( 'detected location lock, not enabling background opt' );
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			return;
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		}
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		if ( '949c34123cf2a4e4ce2f985135830df4a1b2adc24905f53d2fd3f5df5b162932' !== $item ) {
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			ewwwio_debug_message( 'wrong item received, not enabling background opt' );
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			return;
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		}
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		ewwwio_debug_message( 'setting background option to true' );
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		$success = ewww_image_optimizer_set_option( 'ewww_image_optimizer_background_optimization', true );
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		if ( $success ) {
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			ewwwio_debug_message( 'hurrah, async enabled!' );
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		}
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	}
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}
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