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<?php |
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|
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/** |
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* File: /helper/e2pdf-cache.php |
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* |
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* @package E2Pdf |
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* @license GPLv3 |
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* @link https://e2pdf.com |
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*/ |
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if (!defined('ABSPATH')) { |
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die('Access denied.'); |
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} |
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|
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class Helper_E2pdf_Cache { |
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|
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private $helper; |
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|
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public function __construct() { |
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$this->helper = Helper_E2pdf_Helper::instance(); |
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} |
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|
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public function purge_cache() { |
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$this->purge_objects_cache(); |
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$this->purge_fonts_cache(); |
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$this->purge_pdfs_cache(); |
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} |
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|
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public function pre_objects_cache() { |
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if (function_exists('w3tc_dbcache_flush')) { |
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w3tc_dbcache_flush(); |
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} |
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if ( |
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class_exists('SiteGround_Optimizer\Supercacher\Supercacher') && |
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class_exists('SitePress') && |
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get_option('siteground_optimizer_enable_memcached') && |
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function_exists('wp_cache_flush') |
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) { |
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wp_cache_flush(); |
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} |
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} |
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|
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public function purge_objects_cache() { |
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if (function_exists('w3tc_dbcache_flush')) { |
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w3tc_dbcache_flush(); |
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} |
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wp_cache_flush(); |
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} |
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|
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public function purge_fonts_cache() { |
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update_option('e2pdf_cached_fonts', []); |
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} |
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|
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public function cache_pdf($cached_pdf = '', $request = []) { |
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
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if ($cached_pdf && get_option('e2pdf_cache_pdfs', '0') && !@file_exists($this->helper->get('cache_dir') . $cached_pdf)) { |
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if (!isset($request['error']) && !empty($request['file'])) { |
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// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_file_put_contents |
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file_put_contents($this->helper->get('cache_dir') . $cached_pdf, $request['file'], LOCK_EX); |
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} |
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} |
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} |
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|
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public function get_cached_pdf($cached_pdf = '') { |
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$request = []; |
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
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if ($cached_pdf && get_option('e2pdf_cache_pdfs', '0') && @file_exists($this->helper->get('cache_dir') . $cached_pdf)) { |
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$request = [ |
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged, WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents |
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'file' => @file_get_contents($this->helper->get('cache_dir') . $cached_pdf), |
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]; |
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$this->purge_pdfs_cache_ttl(); |
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} |
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return $request; |
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} |
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|
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public function purge_pdfs_cache_ttl() { |
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$files = glob($this->helper->get('cache_dir') . '*', GLOB_MARK); |
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$ttl = max(10, (int) get_option('e2pdf_cache_pdfs_ttl', '180')); |
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foreach ($files as $file) { |
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if (false === strpos($file, 'index.php') && false === strpos($file, '.htaccess') && (time() - filectime($file)) > $ttl) { |
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
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@unlink($file); |
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} |
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} |
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} |
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|
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public function purge_pdfs_cache() { |
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$files = glob($this->helper->get('cache_dir') . '*', GLOB_MARK); |
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foreach ($files as $file) { |
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if (false === strpos($file, 'index.php') && false === strpos($file, '.htaccess')) { |
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
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@unlink($file); |
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} |
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} |
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} |
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|
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public function purge_tmp_cache() { |
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$files = glob($this->helper->get('tmp_dir') . '*', GLOB_MARK); |
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$ttl = (int) get_option('e2pdf_cache_tmp_ttl', '7200'); |
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foreach ($files as $file) { |
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if (0 === strpos(basename($file), 'e2pdf') && (time() - filectime($file)) > $ttl) { |
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$this->helper->delete_dir($file); |
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} |
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} |
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} |
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} |
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|
