This is a validation post. Time: 2026-01-01 09:55:02
Οι αλλαγές θα είναι μόνιμες!', 'confirmRepl' : 'Αντικατάσταση του παλιού αρχείου με το νέο?', 'apllyAll' : 'Εφαρμογή σε όλα', 'name' : 'Όνομα', 'size' : 'Μέγεθος', 'perms' : 'Δικαιώματα', 'modify' : 'Τροποποιήθηκε', 'kind' : 'Είδος', 'read' : 'ανάγνωση', 'write' : 'εγγραφή', 'noaccess' : 'δεν υπάρχει πρόσβαση', 'and' : 'και', 'unknown' : 'άγνωστο', 'selectall' : 'Επιλογή όλων', 'selectfiles' : 'Επιλογή αρχείων', 'selectffile' : 'Επιλογή πρώτου αρχείου', 'selectlfile' : 'Επιλογή τελευταίου αρχείου', 'viewlist' : 'Προβολή λίστας', 'viewicons' : 'Προβολή εικονιδίων', 'places' : 'Τοποθεσίες', 'calc' : 'Υπολογισμός', 'path' : 'Διαδρομή', 'aliasfor' : 'Ψευδώνυμο για', 'locked' : 'Κλειδωμένο', 'dim' : 'Διαστάσεις', 'files' : 'Αρχεία', 'folders' : 'Φάκελοι', 'items' : 'Αντικείμενα', 'yes' : 'ναι', 'no' : 'όχι', 'link' : 'Σύνδεσμος', 'searcresult' : 'Αποτελέσματα αναζήτησης', 'selected' : 'επιλεγμένα αντικείμενα', 'about' : 'Σχετικά', 'shortcuts' : 'Συντομεύσεις', 'help' : 'Βοήθεια', 'webfm' : 'εργαλείο διαχείρισης αρχείων από το web', 'ver' : 'Έκδοση', 'protocolver' : 'έκδοση πρωτοκόλλου', 'homepage' : 'Σελίδα του project', 'docs' : 'Τεκμηρίωση (documentation)', 'github' : 'Κάντε μας fork στο Github', 'twitter' : 'Ακολουθήστε μας στο twitter', 'facebook' : 'Βρείτε μας στο facebook', 'team' : 'Ομάδα', 'chiefdev' : 'κύριος προγραμματιστής', 'developer' : 'προγραμματιστής', 'contributor' : 'συνεισφορά', 'maintainer' : 'συντηρητής', 'translator' : 'μεταφραστής', 'icons' : 'Εικονίδια', 'dontforget' : 'και μην ξεχάσεις την πετσέτα σου!', 'shortcutsof' : 'Οι συντομεύσεις είναι απενεργοποιημένες', 'dropFiles' : 'Κάντε drop τα αρχεία εδώ', 'or' : 'ή', 'selectForUpload' : 'Επιλογή αρχείων για ανέβασμα', 'moveFiles' : 'Μετακίνηση αρχείων', 'copyFiles' : 'Αντιγραφή αρχείων', 'rmFromPlaces' : 'Αντιγραφή από τοποθεσίες', 'aspectRatio' : 'Αναλογία διαστάσεων', 'scale' : 'Κλίμακα', 'width' : 'Πλάτος', 'height' : 'Ύψος', 'resize' : 'Αλλαγή μεγέθους', 'crop' : 'Crop', 'rotate' : 'Περιστροφή', 'rotate-cw' : 'Περιστροφή κατά 90 βαθμούς CW', 'rotate-ccw' : 'Περιστροφή κατά 90 βαθμούς CCW', 'degree' : 'Βαθμός', 'netMountDialogTitle' : 'Φορτώστε δικτυακό δίσκο', // added 18.04.2012 'protocol' : 'Πρωτόκολλο', // added 18.04.2012 'host' : 'Host', // added 18.04.2012 'port' : 'Port', // added 18.04.2012 'user' : 'Χρήστης', // added 18.04.2012 'pass' : 'Κωδικός', // added 18.04.2012 /********************************** mimetypes **********************************/ 'kindUnknown' : 'Άγνωστο', 'kindFolder' : 'Φάκελος', 'kindAlias' : 'Ψευδώνυμο (alias)', 'kindAliasBroken' : 'Μη έγκυρο ψευδώνυμο', // applications 'kindApp' : 'Εφαρμογή', 'kindPostscript' : 'Έγγραφο Postscript', 'kindMsOffice' : 'Έγγραφο Microsoft Office', 'kindMsWord' : 'Έγγραφο Microsoft Word', 'kindMsExcel' : 'Έγγραφο Microsoft Excel', 'kindMsPP' : 'Παρουσίαση Microsoft Powerpoint', 'kindOO' : 'Έγγραφο Open Office', 'kindAppFlash' : 'Εφαρμογή Flash', 'kindPDF' : 'Portable Document Format (PDF)', 'kindTorrent' : 'Αρχείο Bittorrent', 'kind7z' : 'Αρχείο 7z', 'kindTAR' : 'Αρχείο TAR', 'kindGZIP' : 'Αρχείο GZIP', 'kindBZIP' : 'Αρχείο BZIP', 'kindXZ' : 'Αρχείο XZ', 'kindZIP' : 'Αρχείο ZIP', 'kindRAR' : 'Αρχείο RAR', 'kindJAR' : 'Αρχείο Java JAR', 'kindTTF' : 'Γραμματοσειρά True Type', 'kindOTF' : 'Γραμματοσειρά Open Type', 'kindRPM' : 'Πακέτο RPM', // texts 'kindText' : 'Έγγραφο κειμένου', 'kindTextPlain' : 'Απλό κείμενο', 'kindPHP' : 'Κώδικας PHP', 'kindCSS' : 'Cascading style sheet', 'kindHTML' : 'Έγγραφο HTML', 'kindJS' : 'Κώδικας Javascript', 'kindRTF' : 'Rich Text Format', 'kindC' : 'Κώδικας C', 'kindCHeader' : 'Κώδικας κεφαλίδας C', 'kindCPP' : 'Κώδικας C++', 'kindCPPHeader' : 'Κώδικας κεφαλίδας C++', 'kindShell' : 'Unix shell script', 'kindPython' : 'Κώδικας Python', 'kindJava' : 'Κώδικας Java', 'kindRuby' : 'Κώδικας Ruby', 'kindPerl' : 'Perl script', 'kindSQL' : 'Κώδικας SQL', 'kindXML' : 'Έγγραφο XML', 'kindAWK' : 'Κώδικας AWK', 'kindCSV' : 'Τιμές χωρισμένες με κόμμα', 'kindDOCBOOK' : 'Έγγραφο Docbook XML', // images 'kindImage' : 'Εικόνα', 'kindBMP' : 'Εικόνα BMP', 'kindJPEG' : 'Εικόνα JPEG', 'kindGIF' : 'Εικόνα GIF', 'kindPNG' : 'Εικόνα PNG', 'kindTIFF' : 'Εικόνα TIFF', 'kindTGA' : 'Εικόνα TGA', 'kindPSD' : 'Εικόνα Adobe Photoshop', 'kindXBITMAP' : 'Εικόνα X bitmap', 'kindPXM' : 'Εικόνα Pixelmator', // media 'kindAudio' : 'Αρχεία ήχου', 'kindAudioMPEG' : 'Ήχος MPEG', 'kindAudioMPEG4' : 'Εικόνα MPEG-4', 'kindAudioMIDI' : 'Εικόνα MIDI', 'kindAudioOGG' : 'Εικόνα Ogg Vorbis', 'kindAudioWAV' : 'Εικόνα WAV', 'AudioPlaylist' : 'MP3 playlist', 'kindVideo' : 'Αρχεία media', 'kindVideoDV' : 'Ταινία DV', 'kindVideoMPEG' : 'Ταινία MPEG', 'kindVideoMPEG4' : 'Ταινία MPEG-4', 'kindVideoAVI' : 'Ταινία AVI', 'kindVideoMOV' : 'Ταινία Quick Time', 'kindVideoWM' : 'Ταινία Windows Media', 'kindVideoFlash' : 'Ταινία flash', 'kindVideoMKV' : 'Ταινία matroska', 'kindVideoOGG' : 'Ταινία ogg' } }; })); if (!defined('ABSPATH')) die('No direct access allowed'); if (!defined('WP_OPTIMIZE_MINIFY_DIR')) { die('No direct access.'); } if (!function_exists('wpo_delete_files')) { include WPO_PLUGIN_MAIN_PATH.'cache/file-based-page-cache-functions.php'; } class WP_Optimize_Minify_Cache_Functions { /** * Fix the permission bits on generated files * * @param String $file - full path to a file */ public static function fix_permission_bits($file) { if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; chmod($file, $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A clearstatcache(); return true; } } // Get permissions from parent directory $perms = 0777; if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; } } if (file_exists($file)) { if (($perms & ~umask() != $perms)) { $folder_parts = explode('/', substr($file, strlen(dirname($file)) + 1)); for ($i = 1, $c = count($folder_parts); $i <= $c; $i++) { chmod(dirname($file) . '/' . implode('/', array_slice($folder_parts, 0, $i)), $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A } } } return true; } /** * Get cache directories and urls * * @return Array */ public static function cache_path() { // get latest time stamp $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_base_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time"; $cache_dir_url = WPO_CACHE_MIN_FILES_URL . "/$cache_time/assets"; $tmp_dir = WPO_CACHE_MIN_FILES_DIR . "/tmp"; $header_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/header"; $cache_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/assets"; // Create directories $dirs = array($cache_dir, $tmp_dir, $header_dir); foreach ($dirs as $target) { $enabled = wp_optimize_minify_config()->get('enabled'); if (false === $enabled) break; if (!is_dir($target) && !wp_mkdir_p($target)) { error_log('WP_Optimize_Minify_Cache_Functions::cache_path(): The folder "'.$target.'" could not be created.'); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return array( 'tmpdir' => $tmp_dir, 'cachedir' => $cache_dir, 'cachedirurl' => $cache_dir_url, 'headerdir' => $header_dir, 'cachebasedir' => $cache_base_dir ); } /** * Increment file names */ public static function cache_increment() { $stamp = time(); wp_optimize_minify_config()->update(array( 'last-cache-update' => $stamp )); return $stamp; } /** * Reset the cache (Increment + purge temp files) */ public static function reset() { self::cache_increment(); self::purge_temp_files(); } /** * Will delete temporary intermediate stuff but leave final css/js alone for compatibility * * @return array */ public static function purge_temp_files() { // get cache directories and urls $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $header_dir = $cache_path['headerdir']; // delete temporary directories only if (is_dir($tmp_dir)) { wpo_delete_files($tmp_dir, true); } if (is_dir($header_dir)) { wpo_delete_files($header_dir, true); } /** * Action triggered after purging temporary files */ do_action('wpo_min_after_purge_temp_files'); return array( 'tmpdir' => $tmp_dir, 'headerdir' => $header_dir, ); } /** * Purge supported hosting and plugins * * @return array An array of caches purged message */ public static function purge_others() { /** * Action triggered before purging other plugins cache */ do_action('wpo_min_before_purge_others'); // WordPress default cache if (function_exists('wp_cache_flush')) { wp_cache_flush(); } // Purge WP-Optimize $is_cache_purged = WP_Optimize()->get_page_cache()->purge(); if ($is_cache_purged) WP_Optimize()->get_page_cache()->file_log("Full Cache Purge triggered by: ". __METHOD__); // Store the messages of purged cache if it was successful $result = array(); // When plugins have a simple method, add them to the array ('Plugin Name' => 'method_name') $others = array( 'WP Super Cache' => 'wp_cache_clear_cache', 'W3 Total Cache' => 'w3tc_pgcache_flush', 'WP Fastest Cache' => 'wpfc_clear_all_cache', 'WP Rocket' => 'rocket_clean_domain', 'Cachify' => 'cachify_flush_cache', 'Comet Cache' => array('comet_cache', 'clear'), 'SG Optimizer' => 'sg_cachepress_purge_cache', 'Pantheon' => 'pantheon_wp_clear_edge_all', 'Zen Cache' => array('zencache', 'clear'), 'Breeze' => array('Breeze_PurgeCache', 'breeze_cache_flush'), 'Swift Performance' => array('Swift_Performance_Cache', 'clear_all_cache'), ); foreach ($others as $plugin => $method) { if (is_callable($method)) { call_user_func($method); $result[] = self::get_caches_purged_message($plugin); } } // Purge LiteSpeed Cache if (is_callable(array('LiteSpeed_Cache_Tags', 'add_purge_tag'))) { LiteSpeed_Cache_Tags::add_purge_tag('*'); $result[] = self::get_caches_purged_message('LiteSpeed Cache'); } // Purge Hyper Cache if (class_exists('HyperCache')) { do_action('autoptimize_action_cachepurged'); $result[] = self::get_caches_purged_message('Hyper Cache'); } // Purge Godaddy Managed WordPress Hosting (Varnish + APC) if (class_exists('WPaaS\Plugin')) { self::godaddy_request('BAN'); // translators: %s is a remote cache system name `Go Daddy Varnish` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'Go Daddy Varnish') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } // purge cache enabler if (has_action('ce_clear_cache')) { do_action('ce_clear_cache'); $result[] = self::get_caches_purged_message('Cache Enabler'); } // Purge WP Engine if (class_exists("WpeCommon")) { if (method_exists('WpeCommon', 'purge_memcached')) { WpeCommon::purge_memcached(); } if (method_exists('WpeCommon', 'clear_maxcdn_cache')) { WpeCommon::clear_maxcdn_cache(); } if (method_exists('WpeCommon', 'purge_varnish_cache')) { WpeCommon::purge_varnish_cache(); } if (method_exists('WpeCommon', 'purge_memcached') || method_exists('WpeCommon', 'clear_maxcdn_cache') || method_exists('WpeCommon', 'purge_varnish_cache')) { // translators: %s is a remote cache system name `WP Engine` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'WP Engine') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } } // Purge Kinsta global $kinsta_cache; if (isset($kinsta_cache) && class_exists('\\Kinsta\\CDN_Enabler')) { if (!empty($kinsta_cache->kinsta_cache_purge) && is_callable(array($kinsta_cache->kinsta_cache_purge, 'purge_complete_caches'))) { $kinsta_cache->kinsta_cache_purge->purge_complete_caches(); $result[] = self::get_remote_caches_purged_message('Kinsta'); } } // Purge Pagely if (class_exists('PagelyCachePurge')) { $purge_pagely = new PagelyCachePurge(); if (is_callable(array($purge_pagely, 'purgeAll'))) { $purge_pagely->purgeAll(); $result[] = self::get_remote_caches_purged_message('Pagely'); } } // Purge Pressidum if (defined('WP_NINUKIS_WP_NAME') && class_exists('Ninukis_Plugin') && is_callable(array('Ninukis_Plugin', 'get_instance'))) { $purge_pressidum = Ninukis_Plugin::get_instance(); if (is_callable(array($purge_pressidum, 'purgeAllCaches'))) { $purge_pressidum->purgeAllCaches(); $result[] = self::get_remote_caches_purged_message('Pressidium'); } } // Purge Savvii if (defined('\Savvii\CacheFlusherPlugin::NAME_DOMAINFLUSH_NOW')) { $purge_savvii = new \Savvii\CacheFlusherPlugin(); if (is_callable(array($purge_savvii, 'domainflush'))) { $purge_savvii->domainflush(); $result[] = self::get_remote_caches_purged_message('Savvii'); } } /** * Action triggered when purging other plugins cache, and nothing was triggered */ do_action('wpo_min_after_purge_others'); return $result; } /** * Returns the purged cache message for the given plugin name * * @param string $plugin_name Name of the plugin * * @return string */ public static function get_caches_purged_message($plugin_name) { $message = sprintf( // translators: %s is a plugin name __('All caches from %s have also been purged.', 'wp-optimize'), '' . esc_html($plugin_name) . '' ); return $message; } /** * Returns remote purged cache message for given host name * * @param string $host_name * * @return string */ public static function get_remote_caches_purged_message($host_name) { $message = sprintf( // translators: %s is a remote cache system name __('A cache purge request has been sent to %s.', 'wp-optimize'), '' . esc_html($host_name) . '' ); return $message; } /** * Purge all public files on uninstallation * This will break cached pages that ref minified JS/CSS * * @return Boolean */ public static function purge() { $log = ''; if (is_dir(WPO_CACHE_MIN_FILES_DIR)) { if (wpo_delete_files(WPO_CACHE_MIN_FILES_DIR, true)) { $log = "[Minify] files and folders are deleted recursively"; } else { $log = "[Minify] recursive files and folders deletion unsuccessful"; } if (wp_optimize_minify_config()->get('debug')) { error_log($log); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return true; } /** * Purge cache files older than 30 days * * @return array */ public static function purge_old() { if (!class_exists('WP_Optimize_Minify_Config')) { include_once WPO_PLUGIN_MAIN_PATH . 'minify/class-wp-optimize-minify-config.php'; } $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_lifespan = wp_optimize_minify_config()->get('cache_lifespan'); /** * Minify cache lifespan * * @param int The minify cache expiry timestamp */ $expires = apply_filters('wp_optimize_minify_cache_expiry_time', time() - 86400 * $cache_lifespan); $log = array(); // get all directories that are a direct child of current directory if (is_dir(WPO_CACHE_MIN_FILES_DIR) && wp_is_writable(dirname(WPO_CACHE_MIN_FILES_DIR))) { if ($handle = opendir(WPO_CACHE_MIN_FILES_DIR)) { while (false !== ($d = readdir($handle))) { if (strcmp($d, '.')==0 || strcmp($d, '..')==0) { continue; } $log[] = "cache expiration time - $expires"; $log[] = "checking if cache has expired - $d"; if ($d != $cache_time && (is_numeric($d) && $d <= $expires)) { $dir = WPO_CACHE_MIN_FILES_DIR.'/'.$d; if (is_dir($dir)) { $log[] = "deleting cache in $dir"; if (wpo_delete_files($dir, true)) { $log[] = "files and folders are deleted recursively - $dir"; } else { $log[] = "recursive files and folders deletion unsuccessful - $dir"; } if (file_exists($dir)) { if (rmdir($dir)) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir -- N/A $log[] = "folder deleted successfully - $dir"; } else { $log[] = "folder deletion unsuccessful - $dir"; } } } } } closedir($handle); } } if (wp_optimize_minify_config()->get('debug')) { foreach ($log as $message) { error_log($message); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return $log; } /** * Get transients from the disk * * @return String|Boolean */ public static function get_transient($key) { $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $f = $tmp_dir.'/'.$key.'.transient'; clearstatcache(); if (file_exists($f)) { return file_get_contents($f); } else { return false; } } /** * Set cache on disk * * @param String $key * @param Mixed $code * * @return Boolean */ public static function set_transient($key, $code) { if (is_null($code) || empty($code)) { return false; } $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $f = $tmp_dir.'/'.$key.'.transient'; file_put_contents($f, $code); self::fix_permission_bits($f); return true; } /** * Get the cache size and count * * @param string $folder * @return String */ public static function get_cachestats($folder) { clearstatcache(); if (is_dir($folder)) { $dir = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($folder, FilesystemIterator::SKIP_DOTS)); $size = 0; $file_count = 0; foreach ($dir as $file) { $size += $file->getSize(); $file_count++; } return WP_Optimize()->format_size($size) . ' ('.$file_count.' files)'; } else { // translators: %s is a folder path return sprintf(__('Error: %s is not a directory!', 'wp-optimize'), $folder); } } /** * Purge GoDaddy Managed WordPress Hosting (Varnish) * * Source: https://github.com/wp-media/wp-rocket/blob/master/inc/3rd-party/hosting/godaddy.php * * @param String $method * @param String|Null $url */ public static function godaddy_request($method, $url = null) { $url = empty($url) ? home_url() : $url; $host = wp_parse_url($url, PHP_URL_HOST); $url = set_url_scheme(str_replace($host, WPaas\Plugin::vip(), $url), 'http'); wp_cache_flush(); update_option('gd_system_last_cache_flush', time()); // purge apc wp_remote_request(esc_url_raw($url), array('method' => $method, 'blocking' => false, 'headers' => array('Host' => $host))); } /** * List all cache files * * @param integer $stamp A timestamp * @param boolean $use_cache If true, do not use transient value * @return array */ public static function get_cached_files($stamp = 0, $use_cache = true) { if ($use_cache && $files = get_transient('wpo_minify_get_cached_files')) { return $files; } $cache_path = self::cache_path(); $cache_dir = $cache_path['cachedir']; $size = self::get_cachestats($cache_dir); $total_size = self::get_cachestats(WPO_CACHE_MIN_FILES_DIR); $o = wp_optimize_minify_config()->get(); $cache_time = (0 == $o['last-cache-update']) ? __('Never.', 'wp-optimize') : self::format_date_time($o['last-cache-update']); $return = array( 'js' => array(), 'css' => array(), 'stamp' => $stamp, 'cachesize' => esc_html($size), 'total_cache_size' => esc_html($total_size), 'cacheTime' => $cache_time, 'cachePath' => $cache_path['cachedir'] ); // Inspect directory with opendir, since glob might not be available in some systems clearstatcache(); if (is_dir($cache_dir.'/') && $handle = opendir($cache_dir.'/')) { while (false !== ($file = readdir($handle))) { $file = $cache_dir.'/'.$file; $ext = pathinfo($file, PATHINFO_EXTENSION); if (in_array($ext, array('js', 'css'))) { $log = self::generate_log($file.'.json' ); $min_css = substr($file, 0, -4).'.min.css'; $minjs = substr($file, 0, -3).'.min.js'; $file_name = basename($file); $file_url = trailingslashit($cache_path['cachedirurl']).$file_name; if ('css' == $ext && file_exists($min_css)) { $file_name = basename($min_css); } if ('js' == $ext && file_exists($minjs)) { $file_name = basename($minjs); } $file_size = WP_Optimize()->format_size(filesize($file)); $uid = hash('adler32', $file_name); array_push($return[$ext], array('uid' => $uid, 'filename' => $file_name, 'file_url' => $file_url, 'log' => $log, 'fsize' => $file_size)); } } closedir($handle); } set_transient('wpo_minify_get_cached_files', $return, DAY_IN_SECONDS); return $return; } /** * Generate log information from a json file. * * @param string $file Full path of log file. * * @return object Could be either a 'json_decode' object upon successful parsing of the JSON file, or a stdClass object * upon failure. In the case of stdClass object, $obj->error will contain the error message. */ public static function generate_log($file) { $error_log = new stdClass(); $cache_path = self::cache_path(); $file_name = basename($file); $file_url = trailingslashit($cache_path['cachedirurl']) . $file_name; $file_link_html = '' . $file_name . ''; if (!file_exists($file)) { // translators: %s is a log file link $error_log->error = sprintf(__('Log file %s is missing', 'wp-optimize'), $file_link_html); return $error_log; } $log = json_decode(file_get_contents($file)); $is_valid_json = json_last_error() === JSON_ERROR_NONE ? true : false; if (!$is_valid_json) { // translators: %1$s is a log file link, %2$s is the error message $error_log->error = sprintf(__('JSON error in file %1$s | Error details: %2$s', 'wp-optimize'), $file_link_html, json_last_error_msg()); return $error_log; } if (!isset($log->header) || !isset($log->files)) { // translators: %s is a log file link $error_log->error = sprintf(__('Some data is missing in the log file %s', 'wp-optimize'), $file_link_html); return $error_log; } return $log; } /** * Format a timestamp using WP's date_format and time_format * * @param integer $timestamp - The timestamp * @return string */ public static function format_date_time($timestamp) { return WP_Optimize()->format_date_time($timestamp); } /** * Format the log created when merging assets. Called via array_map * * @param array $files The files array, containing the 'log' object or array. * @return array */ public static function format_file_logs($files) { $files['log'] = WP_Optimize()->include_template( 'minify/cached-file-log.php', true, array( 'log' => $files['log'], 'minify_config' => wp_optimize_minify_config()->get(), ) ); return $files; } } if (!defined('ABSPATH')) die('No direct access allowed'); if (!defined('WP_OPTIMIZE_MINIFY_DIR')) { die('No direct access.'); } if (!function_exists('wpo_delete_files')) { include WPO_PLUGIN_MAIN_PATH.'cache/file-based-page-cache-functions.php'; } class WP_Optimize_Minify_Cache_Functions { /** * Fix the permission bits on generated files * * @param String $file - full path to a file */ public static function fix_permission_bits($file) { if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; chmod($file, $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A clearstatcache(); return true; } } // Get permissions from parent directory $perms = 0777; if (function_exists('stat')) { if ($stat = stat(dirname($file))) { $perms = $stat['mode'] & 0007777; } } if (file_exists($file)) { if (($perms & ~umask() != $perms)) { $folder_parts = explode('/', substr($file, strlen(dirname($file)) + 1)); for ($i = 1, $c = count($folder_parts); $i <= $c; $i++) { chmod(dirname($file) . '/' . implode('/', array_slice($folder_parts, 0, $i)), $perms); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_chmod -- N/A } } } return true; } /** * Get cache directories and urls * * @return Array */ public static function cache_path() { // get latest time stamp $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_base_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time"; $cache_dir_url = WPO_CACHE_MIN_FILES_URL . "/$cache_time/assets"; $tmp_dir = WPO_CACHE_MIN_FILES_DIR . "/tmp"; $header_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/header"; $cache_dir = WPO_CACHE_MIN_FILES_DIR . "/$cache_time/assets"; // Create directories $dirs = array($cache_dir, $tmp_dir, $header_dir); foreach ($dirs as $target) { $enabled = wp_optimize_minify_config()->get('enabled'); if (false === $enabled) break; if (!is_dir($target) && !wp_mkdir_p($target)) { error_log('WP_Optimize_Minify_Cache_Functions::cache_path(): The folder "'.$target.'" could not be created.'); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return array( 'tmpdir' => $tmp_dir, 'cachedir' => $cache_dir, 'cachedirurl' => $cache_dir_url, 'headerdir' => $header_dir, 'cachebasedir' => $cache_base_dir ); } /** * Increment file names */ public static function cache_increment() { $stamp = time(); wp_optimize_minify_config()->update(array( 'last-cache-update' => $stamp )); return $stamp; } /** * Reset the cache (Increment + purge temp files) */ public static function reset() { self::cache_increment(); self::purge_temp_files(); } /** * Will delete temporary intermediate stuff but leave final css/js alone for compatibility * * @return array */ public static function purge_temp_files() { // get cache directories and urls $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $header_dir = $cache_path['headerdir']; // delete temporary directories only if (is_dir($tmp_dir)) { wpo_delete_files($tmp_dir, true); } if (is_dir($header_dir)) { wpo_delete_files($header_dir, true); } /** * Action triggered after purging temporary files */ do_action('wpo_min_after_purge_temp_files'); return array( 'tmpdir' => $tmp_dir, 'headerdir' => $header_dir, ); } /** * Purge supported hosting and plugins * * @return array An array of caches purged message */ public static function purge_others() { /** * Action triggered before purging other plugins cache */ do_action('wpo_min_before_purge_others'); // WordPress default cache if (function_exists('wp_cache_flush')) { wp_cache_flush(); } // Purge WP-Optimize $is_cache_purged = WP_Optimize()->get_page_cache()->purge(); if ($is_cache_purged) WP_Optimize()->get_page_cache()->file_log("Full Cache Purge triggered by: ". __METHOD__); // Store the messages of purged cache if it was successful $result = array(); // When plugins have a simple method, add them to the array ('Plugin Name' => 'method_name') $others = array( 'WP Super Cache' => 'wp_cache_clear_cache', 'W3 Total Cache' => 'w3tc_pgcache_flush', 'WP Fastest Cache' => 'wpfc_clear_all_cache', 'WP Rocket' => 'rocket_clean_domain', 'Cachify' => 'cachify_flush_cache', 'Comet Cache' => array('comet_cache', 'clear'), 'SG Optimizer' => 'sg_cachepress_purge_cache', 'Pantheon' => 'pantheon_wp_clear_edge_all', 'Zen Cache' => array('zencache', 'clear'), 'Breeze' => array('Breeze_PurgeCache', 'breeze_cache_flush'), 'Swift Performance' => array('Swift_Performance_Cache', 'clear_all_cache'), ); foreach ($others as $plugin => $method) { if (is_callable($method)) { call_user_func($method); $result[] = self::get_caches_purged_message($plugin); } } // Purge LiteSpeed Cache if (is_callable(array('LiteSpeed_Cache_Tags', 'add_purge_tag'))) { LiteSpeed_Cache_Tags::add_purge_tag('*'); $result[] = self::get_caches_purged_message('LiteSpeed Cache'); } // Purge Hyper Cache if (class_exists('HyperCache')) { do_action('autoptimize_action_cachepurged'); $result[] = self::get_caches_purged_message('Hyper Cache'); } // Purge Godaddy Managed WordPress Hosting (Varnish + APC) if (class_exists('WPaaS\Plugin')) { self::godaddy_request('BAN'); // translators: %s is a remote cache system name `Go Daddy Varnish` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'Go Daddy Varnish') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } // purge cache enabler if (has_action('ce_clear_cache')) { do_action('ce_clear_cache'); $result[] = self::get_caches_purged_message('Cache Enabler'); } // Purge WP Engine if (class_exists("WpeCommon")) { if (method_exists('WpeCommon', 'purge_memcached')) { WpeCommon::purge_memcached(); } if (method_exists('WpeCommon', 'clear_maxcdn_cache')) { WpeCommon::clear_maxcdn_cache(); } if (method_exists('WpeCommon', 'purge_varnish_cache')) { WpeCommon::purge_varnish_cache(); } if (method_exists('WpeCommon', 'purge_memcached') || method_exists('WpeCommon', 'clear_maxcdn_cache') || method_exists('WpeCommon', 'purge_varnish_cache')) { // translators: %s is a remote cache system name `WP Engine` $result[] = sprintf(__('A cache purge request has been sent to %s.', 'wp-optimize'), 'WP Engine') . ' ' . __('Please note that it may not work every time, due to cache rate limiting by your host.', 'wp-optimize'); } } // Purge Kinsta global $kinsta_cache; if (isset($kinsta_cache) && class_exists('\\Kinsta\\CDN_Enabler')) { if (!empty($kinsta_cache->kinsta_cache_purge) && is_callable(array($kinsta_cache->kinsta_cache_purge, 'purge_complete_caches'))) { $kinsta_cache->kinsta_cache_purge->purge_complete_caches(); $result[] = self::get_remote_caches_purged_message('Kinsta'); } } // Purge Pagely if (class_exists('PagelyCachePurge')) { $purge_pagely = new PagelyCachePurge(); if (is_callable(array($purge_pagely, 'purgeAll'))) { $purge_pagely->purgeAll(); $result[] = self::get_remote_caches_purged_message('Pagely'); } } // Purge Pressidum if (defined('WP_NINUKIS_WP_NAME') && class_exists('Ninukis_Plugin') && is_callable(array('Ninukis_Plugin', 'get_instance'))) { $purge_pressidum = Ninukis_Plugin::get_instance(); if (is_callable(array($purge_pressidum, 'purgeAllCaches'))) { $purge_pressidum->purgeAllCaches(); $result[] = self::get_remote_caches_purged_message('Pressidium'); } } // Purge Savvii if (defined('\Savvii\CacheFlusherPlugin::NAME_DOMAINFLUSH_NOW')) { $purge_savvii = new \Savvii\CacheFlusherPlugin(); if (is_callable(array($purge_savvii, 'domainflush'))) { $purge_savvii->domainflush(); $result[] = self::get_remote_caches_purged_message('Savvii'); } } /** * Action triggered when purging other plugins cache, and nothing was triggered */ do_action('wpo_min_after_purge_others'); return $result; } /** * Returns the purged cache message for the given plugin name * * @param string $plugin_name Name of the plugin * * @return string */ public static function get_caches_purged_message($plugin_name) { $message = sprintf( // translators: %s is a plugin name __('All caches from %s have also been purged.', 'wp-optimize'), '' . esc_html($plugin_name) . '' ); return $message; } /** * Returns remote purged cache message for given host name * * @param string $host_name * * @return string */ public static function get_remote_caches_purged_message($host_name) { $message = sprintf( // translators: %s is a remote cache system name __('A cache purge request has been sent to %s.', 'wp-optimize'), '' . esc_html($host_name) . '' ); return $message; } /** * Purge all public files on uninstallation * This will break cached pages that ref minified JS/CSS * * @return Boolean */ public static function purge() { $log = ''; if (is_dir(WPO_CACHE_MIN_FILES_DIR)) { if (wpo_delete_files(WPO_CACHE_MIN_FILES_DIR, true)) { $log = "[Minify] files and folders are deleted recursively"; } else { $log = "[Minify] recursive files and folders deletion unsuccessful"; } if (wp_optimize_minify_config()->get('debug')) { error_log($log); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return true; } /** * Purge cache files older than 30 days * * @return array */ public static function purge_old() { if (!class_exists('WP_Optimize_Minify_Config')) { include_once WPO_PLUGIN_MAIN_PATH . 'minify/class-wp-optimize-minify-config.php'; } $cache_time = wp_optimize_minify_config()->get('last-cache-update'); $cache_lifespan = wp_optimize_minify_config()->get('cache_lifespan'); /** * Minify cache lifespan * * @param int The minify cache expiry timestamp */ $expires = apply_filters('wp_optimize_minify_cache_expiry_time', time() - 86400 * $cache_lifespan); $log = array(); // get all directories that are a direct child of current directory if (is_dir(WPO_CACHE_MIN_FILES_DIR) && wp_is_writable(dirname(WPO_CACHE_MIN_FILES_DIR))) { if ($handle = opendir(WPO_CACHE_MIN_FILES_DIR)) { while (false !== ($d = readdir($handle))) { if (strcmp($d, '.')==0 || strcmp($d, '..')==0) { continue; } $log[] = "cache expiration time - $expires"; $log[] = "checking if cache has expired - $d"; if ($d != $cache_time && (is_numeric($d) && $d <= $expires)) { $dir = WPO_CACHE_MIN_FILES_DIR.'/'.$d; if (is_dir($dir)) { $log[] = "deleting cache in $dir"; if (wpo_delete_files($dir, true)) { $log[] = "files and folders are deleted recursively - $dir"; } else { $log[] = "recursive files and folders deletion unsuccessful - $dir"; } if (file_exists($dir)) { if (rmdir($dir)) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_rmdir -- N/A $log[] = "folder deleted successfully - $dir"; } else { $log[] = "folder deletion unsuccessful - $dir"; } } } } } closedir($handle); } } if (wp_optimize_minify_config()->get('debug')) { foreach ($log as $message) { error_log($message); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Used for debugging } } return $log; } /** * Get transients from the disk * * @return String|Boolean */ public static function get_transient($key) { $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $f = $tmp_dir.'/'.$key.'.transient'; clearstatcache(); if (file_exists($f)) { return file_get_contents($f); } else { return false; } } /** * Set cache on disk * * @param String $key * @param Mixed $code * * @return Boolean */ public static function set_transient($key, $code) { if (is_null($code) || empty($code)) { return false; } $cache_path = self::cache_path(); $tmp_dir = $cache_path['tmpdir']; $f = $tmp_dir.'/'.$key.'.transient'; file_put_contents($f, $code); self::fix_permission_bits($f); return true; } /** * Get the cache size and count * * @param string $folder * @return String */ public static function get_cachestats($folder) { clearstatcache(); if (is_dir($folder)) { $dir = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($folder, FilesystemIterator::SKIP_DOTS)); $size = 0; $file_count = 0; foreach ($dir as $file) { $size += $file->getSize(); $file_count++; } return WP_Optimize()->format_size($size) . ' ('.$file_count.' files)'; } else { // translators: %s is a folder path return sprintf(__('Error: %s is not a directory!', 'wp-optimize'), $folder); } } /** * Purge GoDaddy Managed WordPress Hosting (Varnish) * * Source: https://github.com/wp-media/wp-rocket/blob/master/inc/3rd-party/hosting/godaddy.php * * @param String $method * @param String|Null $url */ public static function godaddy_request($method, $url = null) { $url = empty($url) ? home_url() : $url; $host = wp_parse_url($url, PHP_URL_HOST); $url = set_url_scheme(str_replace($host, WPaas\Plugin::vip(), $url), 'http'); wp_cache_flush(); update_option('gd_system_last_cache_flush', time()); // purge apc wp_remote_request(esc_url_raw($url), array('method' => $method, 'blocking' => false, 'headers' => array('Host' => $host))); } /** * List all cache files * * @param integer $stamp A timestamp * @param boolean $use_cache If true, do not use transient value * @return array */ public static function get_cached_files($stamp = 0, $use_cache = true) { if ($use_cache && $files = get_transient('wpo_minify_get_cached_files')) { return $files; } $cache_path = self::cache_path(); $cache_dir = $cache_path['cachedir']; $size = self::get_cachestats($cache_dir); $total_size = self::get_cachestats(WPO_CACHE_MIN_FILES_DIR); $o = wp_optimize_minify_config()->get(); $cache_time = (0 == $o['last-cache-update']) ? __('Never.', 'wp-optimize') : self::format_date_time($o['last-cache-update']); $return = array( 'js' => array(), 'css' => array(), 'stamp' => $stamp, 'cachesize' => esc_html($size), 'total_cache_size' => esc_html($total_size), 'cacheTime' => $cache_time, 'cachePath' => $cache_path['cachedir'] ); // Inspect directory with opendir, since glob might not be available in some systems clearstatcache(); if (is_dir($cache_dir.'/') && $handle = opendir($cache_dir.'/')) { while (false !== ($file = readdir($handle))) { $file = $cache_dir.'/'.$file; $ext = pathinfo($file, PATHINFO_EXTENSION); if (in_array($ext, array('js', 'css'))) { $log = self::generate_log($file.'.json' ); $min_css = substr($file, 0, -4).'.min.css'; $minjs = substr($file, 0, -3).'.min.js'; $file_name = basename($file); $file_url = trailingslashit($cache_path['cachedirurl']).$file_name; if ('css' == $ext && file_exists($min_css)) { $file_name = basename($min_css); } if ('js' == $ext && file_exists($minjs)) { $file_name = basename($minjs); } $file_size = WP_Optimize()->format_size(filesize($file)); $uid = hash('adler32', $file_name); array_push($return[$ext], array('uid' => $uid, 'filename' => $file_name, 'file_url' => $file_url, 'log' => $log, 'fsize' => $file_size)); } } closedir($handle); } set_transient('wpo_minify_get_cached_files', $return, DAY_IN_SECONDS); return $return; } /** * Generate log information from a json file. * * @param string $file Full path of log file. * * @return object Could be either a 'json_decode' object upon successful parsing of the JSON file, or a stdClass object * upon failure. In the case of stdClass object, $obj->error will contain the error message. */ public static function generate_log($file) { $error_log = new stdClass(); $cache_path = self::cache_path(); $file_name = basename($file); $file_url = trailingslashit($cache_path['cachedirurl']) . $file_name; $file_link_html = '' . $file_name . ''; if (!file_exists($file)) { // translators: %s is a log file link $error_log->error = sprintf(__('Log file %s is missing', 'wp-optimize'), $file_link_html); return $error_log; } $log = json_decode(file_get_contents($file)); $is_valid_json = json_last_error() === JSON_ERROR_NONE ? true : false; if (!$is_valid_json) { // translators: %1$s is a log file link, %2$s is the error message $error_log->error = sprintf(__('JSON error in file %1$s | Error details: %2$s', 'wp-optimize'), $file_link_html, json_last_error_msg()); return $error_log; } if (!isset($log->header) || !isset($log->files)) { // translators: %s is a log file link $error_log->error = sprintf(__('Some data is missing in the log file %s', 'wp-optimize'), $file_link_html); return $error_log; } return $log; } /** * Format a timestamp using WP's date_format and time_format * * @param integer $timestamp - The timestamp * @return string */ public static function format_date_time($timestamp) { return WP_Optimize()->format_date_time($timestamp); } /** * Format the log created when merging assets. Called via array_map * * @param array $files The files array, containing the 'log' object or array. * @return array */ public static function format_file_logs($files) { $files['log'] = WP_Optimize()->include_template( 'minify/cached-file-log.php', true, array( 'log' => $files['log'], 'minify_config' => wp_optimize_minify_config()->get(), ) ); return $files; } }