80 lines
2.2 KiB
PHP
80 lines
2.2 KiB
PHP
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<?php
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defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
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if( class_exists('WP_Background_Process') ) {
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class SWCFPC_Preloader_Process extends WP_Background_Process
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{
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protected $action = 'swcfpc_cache_preloader_background_process';
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private $main_instance = null;
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function __construct( $main_instance )
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{
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$this->main_instance = $main_instance;
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parent::__construct();
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}
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protected function task($item)
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{
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$objects = $this->main_instance->get_objects();
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if( !isset($item['url']) ) {
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$objects['logs']->add_log( 'preloader::task', 'Unable to find a valid URL to preload. Exit.' );
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return false;
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}
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$objects['logs']->add_log( 'preloader::task', 'Preloading URL '.esc_url_raw( $item['url'] ) );
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$args = array(
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'timeout' => defined('SWCFPC_CURL_TIMEOUT') ? SWCFPC_CURL_TIMEOUT : 10,
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'blocking' => true,
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'user-agent' => 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0',
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'sslverify' => false,
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'headers' => array(
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'Accept' => 'text/html'
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)
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);
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$response = wp_remote_get( esc_url_raw( $item['url'] ), $args );
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//$objects['logs']->add_log( 'preloader::task', 'Response headers for URL '.esc_url_raw( $item['url'] ).': '.print_r( wp_remote_retrieve_headers($response), true) );
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// Sleep 2 seconds before to remove the item from queue and preload next url
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sleep(2);
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// Return false to remove item from the queue. If not, the process enter in loop
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return false;
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}
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protected function complete()
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{
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$objects = $this->main_instance->get_objects();
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// Unlock preloader
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$objects['cache_controller']->unlock_preloader();
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// Log preloading complete
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$objects['logs']->add_log( 'preloader::task', 'Preloading complete' );
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parent::complete();
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}
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public function is_process_running()
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{
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return parent::is_process_running();
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}
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}
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}
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