Файловый менеджер

Файловый менеджер - Редактировать - /home/infrafs/INFRABIKEUS/wp-content/plugins/sg-cachepress/core/Memcache/Memcache.php

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<?php namespace SiteGround_Optimizer\Memcache; use SiteGround_Optimizer\Options\Options; use SiteGround_Helper\Helper_Service; /** * The class responsible for obejct cache. / class Memcache { /* * Memcached excludes filename. * * @since 5.6.1 * * @var string Path to the excludes filename. / const EXCLUDES_FILENAME = WP_CONTENT_DIR . '/.sgo-memcache-excludes'; /* * Memcached crashed filename. * * @since 5.6.1 * * @var string Path to the crashed filename. / const CRASHED_FILENAME = WP_CONTENT_DIR . '/memcache-crashed.txt'; /* * Memcached Unix Socket. * * @since 7.2.2 * * @var string Path to the memcached UNIX socket file. / const UNIX_SOCK_FILE = '/home/.tmp/memcached.sock'; /* * Check if the memcache connection is working * and reinitialize the dropin if not. * * @since 5.0.0 / public function status_healthcheck() { if ( Options::is_enabled( 'siteground_optimizer_enable_memcached' ) ) { // Check if the droping exists. if ( $this->dropin_exists() ) { if ( ! $this->is_connection_working() ) { Options::disable_option( 'siteground_optimizer_enable_memcached' ); Options::enable_option( 'siteground_optimizer_memcache_notice' ); // Remove the dropin since we are disabling the option. $this->remove_memcached_dropin(); } } else { Options::disable_option( 'siteground_optimizer_enable_memcached' ); Options::enable_option( 'siteground_optimizer_memcache_notice' ); if ( $this->is_connection_working() ) { if ( file_exists( WP_CONTENT_DIR . '/object-cache-crashed.php' ) ) { Options::enable_option( 'siteground_optimizer_memcache_crashed' ); } else { Options::enable_option( 'siteground_optimizer_memcache_dropin_crashed' ); } } } } } /* * Check if the object-cache.php dropin file exists (is readable). * * @since 5.0.0 * * @return bool\|string The file path if file exists and it's readable, false otherwise. / public function dropin_exists() { $file = $this->get_object_cache_file(); if ( file_exists( $file ) && is_readable( $file ) ) { return $file; } return false; } /* * Get the path to where the object cache dropin should be. * * @since 5.0.0 / protected function get_object_cache_file() { return trailingslashit( WP_CONTENT_DIR ) . 'object-cache.php'; } /* * Check if a Memcached connection is working by setting and immediately getting a value. * * @since 5.0.0 * * @return bool True on retrieving exactly the value set, false otherwise. / public function is_connection_working() { if ( ! file_exists( self::UNIX_SOCK_FILE ) ) { return false; } $stat = stat( self::UNIX_SOCK_FILE ); if ( false === $stat ) { return false; } if ( ( $stat['mode'] & 0140000 ) !== 0140000 ) { return false; } $memcache = new \Memcached(); $memcache->addServer( self::UNIX_SOCK_FILE, 0 ); $memcache->set( 'SGCP_Memcached_Test', 'Test!1', 50 ); if ( 'Test!1' === $memcache->get( 'SGCP_Memcached_Test' ) ) { $memcache->flush(); return true; } return false; } /* * Copy the Memcache template contents into object-cache.php, replacing IP and Port where needed. * * @since 5.0.0 * * @return bool True if the template was successfully copied, false otherwise. / public function create_memcached_dropin() { // Bail if the connection is not working. if ( ! $this->is_connection_working() ) { return false; } // Remove crashed dropin. @unlink( WP_CONTENT_DIR . '/object-cache-crashed.php' ); if ( ! function_exists( 'wp_generate_password' ) ) { require_once ABSPATH . '/wp-includes/pluggable.php'; } // The new object cache. $new_object_cache = str_replace( 'SG_OPTIMIZER_CACHE_KEY_SALT', str_replace( ' ', '', \wp_generate_password( 64, true, true ) ), file_get_contents( \SiteGround_Optimizer\DIR . '/templates/memcached.tpl' ) ); // Write the new obejct cache in the cache file. $result = file_put_contents( $this->get_object_cache_file(), $new_object_cache ); return boolval( $result ); } /* * Remove the object-cache.php file. * * @since 5.0.0 / public function remove_memcached_dropin() { $dropin = $this->dropin_exists(); // Enable the memcache if the file is not readable. if ( false !== $dropin ) { // Delete the file. $is_removed = unlink( $dropin ); if ( false === $is_removed ) { // Enable memcache if the dropin cannot be removed. Options::enable_option( 'siteground_optimizer_enable_memcached' ); return false; } } return true; } /* * Check if there are any options that should be excluded from the memcache. * * @since 5.6.1 * * @param array $alloptions Array of all autoload options. * * @return array Array without excluded autload options. / public function maybe_exclude( $alloptions ) { // Bail if the excludes files doesn't exists. if ( ! file_exists( self::EXCLUDES_FILENAME ) ) { return $alloptions; } // Get the content of the excludes file. $excludes = $this->get_excludes_content(); // Bail if the excludes file is empty. if ( empty( $excludes ) ) { return $alloptions; } foreach ( $excludes as $option ) { // Bail if the option name is empty. if ( empty( $option ) ) { continue; } // Unset the option from the cache. unset( $alloptions[ $option ] ); } // Return the options. return $alloptions; } /* * Prepare memcache excludes. * * @since 5.6.1 / public function prepare_memcache_excludes() { global $wp_filesystem; // Bail if the crashed file doesn't exists. if ( ! $wp_filesystem->exists( self::CRASHED_FILENAME ) ) { return; } // Remove the error flag file. $wp_filesystem->delete( self::CRASHED_FILENAME ); // Create the excludes file if doesn't exists. if ( ! file_exists( self::EXCLUDES_FILENAME ) ) { $wp_filesystem->touch( self::EXCLUDES_FILENAME ); } // Get the content of the excludes file. $excludes = $this->get_excludes_content(); // Load the wpdb. global $wpdb; // Get the biggest option from the database. $result = $wpdb->get_results( " SELECT option_name FROM $wpdb->options WHERE autoload = 'yes' AND option_name NOT IN ( " . implode( ',', array_map( function( $item ) { return "'" . esc_sql( $item ) . "'"; }, $excludes ) ) . " ) ORDER BY LENGTH(option_value) DESC LIMIT 1" ); // Bail if the query doesn't return results. if ( empty( $result[0]->option_name ) ) { return; } // Add the option to the exclude list. $excludes[] = $result[0]->option_name; // Open the exclude list file. $handle = fopen( self::EXCLUDES_FILENAME, 'a' ); // Write the option to the exclude list. fputcsv( $handle, array( $result[0]->option_name ) ); // Close the file. fclose( $handle ); } /* * Get the content of the excludes file. * * @since 5.6.1 * * @return array Content of the excludes file in array. / public function get_excludes_content() { // Get the content of the excludes file. $excludes_content = file_get_contents( self::EXCLUDES_FILENAME ); // Convert the csv to array. return str_getcsv( $excludes_content, "\n" ); } /* * Enable memcached. * * @since @version / public function enable_memcache() { // Bail if we cannot create a dropin. if ( ! $this->create_memcached_dropin() ) { return false; } Options::enable_option( 'siteground_optimizer_enable_memcached' ); // Remove notices. Options::disable_option( 'siteground_optimizer_memcache_notice' ); Options::disable_option( 'siteground_optimizer_memcache_crashed' ); Options::disable_option( 'siteground_optimizer_memcache_dropin_crashed' ); // Remove the transient if woo is present. if ( class_exists( 'WooCommerce' ) ) { delete_transient( 'wc_attribute_taxonomies' ); } return true; } /* * Disable memcached. * * @since @version */ public function disable_memcache() { // First disable the option. $result = Options::disable_option( 'siteground_optimizer_enable_memcached' ); // True if the option has been disabled and the dropin doesn't exist. if ( ! $this->dropin_exists() ) { return true; } // Try to remove the dropin. $is_dropin_removed = $this->remove_memcached_dropin(); // Remove notices. Options::disable_option( 'siteground_optimizer_memcache_notice' ); Options::disable_option( 'siteground_optimizer_memcache_crashed' ); Options::disable_option( 'siteground_optimizer_memcache_dropin_crashed' ); // Remove the transient if woo is present. if ( class_exists( 'WooCommerce' ) ) { delete_transient( 'wc_attribute_taxonomies' ); } // True if the droping has been removed. if ( $is_dropin_removed ) { return true; } // Bail if the dropin could not be removed. return false; } }

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