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PK��]!]��b �� CacheStorageHelper.phpnu�&1i��<?php /** * Joomla! Content Management System * * @copyright (C) 2010 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; /* * Cache storage helper functions. * * @since 1.7.0 / class CacheStorageHelper { /* * Cache data group * * @var string * @since 1.7.0 / public $group = ''; /* * Cached item size * * @var string * @since 1.7.0 / public $size = 0; /* * Counter * * @var integer * @since 1.7.0 / public $count = 0; /* * Constructor * * @param string $group The cache data group * * @since 1.7.0 / public function __construct($group) { $this->group = $group; } /* * Increase cache items count. * * @param string $size Cached item size * * @return void * * @since 1.7.0 / public function updateSize($size) { $this->size += $size; $this->count++; } } PK��]!] ����WincacheStorage.phpnu�&1i��<?php /** * Joomla! Content Management System * * @copyright (C) 2010 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\CacheStorage; /* * WinCache cache storage handler * * @link https://www.php.net/manual/en/book.wincache.php * @since 1.7.0 / class WincacheStorage extends CacheStorage { /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { return wincache_ucache_exists($this->_getCacheId($id, $group)); } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function get($id, $group, $checkTime = true) { return wincache_ucache_get($this->_getCacheId($id, $group)); } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function getAll() { $allinfo = wincache_ucache_info(); $keys = $allinfo['ucache_entries']; $secret = $this->_hash; $data = array(); foreach ($keys as $key) { $name = $key['key_name']; $namearr = explode('-', $name); if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache') { $group = $namearr[2]; if (!isset($data[$group])) { $item = new CacheStorageHelper($group); } else { $item = $data[$group]; } if (isset($key['value_size'])) { $item->updateSize($key['value_size']); } else { // Dummy, WINCACHE version is too low. $item->updateSize(1); } $data[$group] = $item; } } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 1.7.0 / public function store($id, $group, $data) { return wincache_ucache_set($this->_getCacheId($id, $group), $data, $this->_lifetime); } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function remove($id, $group) { return wincache_ucache_delete($this->_getCacheId($id, $group)); } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 1.7.0 / public function clean($group, $mode = null) { $allinfo = wincache_ucache_info(); $keys = $allinfo['ucache_entries']; $secret = $this->_hash; foreach ($keys as $key) { if (strpos($key['key_name'], $secret . '-cache-' . $group . '-') === 0 xor $mode != 'group') { wincache_ucache_delete($key['key_name']); } } return true; } /* * Garbage collect expired cache data * * @return boolean * * @since 1.7.0 / public function gc() { $allinfo = wincache_ucache_info(); $keys = $allinfo['ucache_entries']; $secret = $this->_hash; foreach ($keys as $key) { if (strpos($key['key_name'], $secret . '-cache-')) { wincache_ucache_get($key['key_name']); } } return true; } /* * Test to see if the storage handler is available. * * @return boolean * * @since 3.0.0 / public static function isSupported() { return extension_loaded('wincache') && function_exists('wincache_ucache_get') && !strcmp(ini_get('wincache.ucenabled'), '1'); } } PK��]!]F��XcacheStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2007 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\CacheStorage; /* * XCache cache storage handler * * @link https://xcache.lighttpd.net/ * @since 1.7.0 * @deprecated 4.0 The XCache PHP extension is not compatible with PHP 7 / class XcacheStorage extends CacheStorage { /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { return xcache_isset($this->_getCacheId($id, $group)); } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function get($id, $group, $checkTime = true) { // Make sure XCache is configured properly if (static::isSupported() == false) { return false; } $cache_id = $this->_getCacheId($id, $group); $cache_content = xcache_get($cache_id); if ($cache_content === null) { return false; } return $cache_content; } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 * @note This requires the php.ini setting xcache.admin.enable_auth = Off. / public function getAll() { // Make sure XCache is configured properly if (static::isSupported() == false) { return array(); } $allinfo = xcache_list(XC_TYPE_VAR, 0); $keys = $allinfo['cache_list']; $secret = $this->_hash; $data = array(); foreach ($keys as $key) { $namearr = explode('-', $key['name']); if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache') { $group = $namearr[2]; if (!isset($data[$group])) { $item = new CacheStorageHelper($group); } else { $item = $data[$group]; } $item->updateSize($key['size']); $data[$group] = $item; } } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 1.7.0 / public function store($id, $group, $data) { // Make sure XCache is configured properly if (static::isSupported() == false) { return false; } return xcache_set($this->_getCacheId($id, $group), $data, $this->_lifetime); } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function remove($id, $group) { // Make sure XCache is configured properly if (static::isSupported() == false) { return false; } $cache_id = $this->_getCacheId($id, $group); if (!xcache_isset($cache_id)) { return true; } return xcache_unset($cache_id); } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 1.7.0 / public function clean($group, $mode = null) { // Make sure XCache is configured properly if (static::isSupported() == false) { return true; } $allinfo = xcache_list(XC_TYPE_VAR, 0); $keys = $allinfo['cache_list']; $secret = $this->_hash; foreach ($keys as $key) { if (strpos($key['name'], $secret . '-cache-' . $group . '-') === 0 xor $mode != 'group') { xcache_unset($key['name']); } } return true; } /* * Test to see if the storage handler is available. * * @return boolean * * @since 3.0.0 / public static function isSupported() { if (extension_loaded('xcache')) { // XCache Admin must be disabled for Joomla to use XCache $xcache_admin_enable_auth = ini_get('xcache.admin.enable_auth'); // Some extensions ini variables are reported as strings if ($xcache_admin_enable_auth == 'Off') { return true; } // We require a string with contents 0, not a null value because it is not set since that then defaults to On/True if ($xcache_admin_enable_auth === '0') { return true; } // In some enviorments empty is equivalent to Off; See JC: #34044 && Github: #4083 if ($xcache_admin_enable_auth === '') { return true; } } // If the settings are not correct, give up return false; } } PK��]!] O2ծ&��&��MemcachedStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2012 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\Cache; use Joomla\CMS\Cache\CacheStorage; use Joomla\CMS\Cache\Exception\CacheConnectingException; /* * Memcached cache storage handler * * @link https://www.php.net/manual/en/book.memcached.php * @since 3.0.0 / class MemcachedStorage extends CacheStorage { /* * Memcached connection object * * @var \Memcached * @since 3.0.0 / protected static $_db = null; /* * Payload compression level * * @var integer * @since 3.0.0 / protected $_compress = 0; /* * Constructor * * @param array $options Optional parameters. * * @since 3.0.0 / public function __construct($options = array()) { parent::__construct($options); $this->_compress = \JFactory::getConfig()->get('memcached_compress', false) ? \Memcached::OPT_COMPRESSION : 0; if (static::$_db === null) { $this->getConnection(); } } /* * Create the Memcached connection * * @return void * * @since 3.0.0 * @throws \RuntimeException / protected function getConnection() { if (!static::isSupported()) { throw new \RuntimeException('Memcached Extension is not available'); } $config = \JFactory::getConfig(); $host = $config->get('memcached_server_host', 'localhost'); $port = $config->get('memcached_server_port', 11211); // Create the memcached connection if ($config->get('memcached_persist', true)) { static::$_db = new \Memcached($this->_hash); $servers = static::$_db->getServerList(); if ($servers && ($servers[0]['host'] != $host \|\| $servers[0]['port'] != $port)) { static::$_db->resetServerList(); $servers = array(); } if (!$servers) { static::$_db->addServer($host, $port); } } else { static::$_db = new \Memcached; static::$_db->addServer($host, $port); } static::$_db->setOption(\Memcached::OPT_COMPRESSION, $this->_compress); $stats = static::$_db->getStats(); $result = !empty($stats["$host:$port"]) && $stats["$host:$port"]['pid'] > 0; if (!$result) { // Null out the connection to inform the constructor it will need to attempt to connect if this class is instantiated again static::$_db = null; throw new CacheConnectingException('Could not connect to memcached server'); } } /* * Get a cache_id string from an id/group pair * * @param string $id The cache data id * @param string $group The cache data group * * @return string The cache_id string * * @since 1.7.0 / protected function _getCacheId($id, $group) { $prefix = Cache::getPlatformPrefix(); $length = strlen($prefix); $cache_id = parent::_getCacheId($id, $group); if ($length) { // Memcached use suffix instead of prefix $cache_id = substr($cache_id, $length) . strrev($prefix); } return $cache_id; } /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { static::$_db->get($this->_getCacheId($id, $group)); return static::$_db->getResultCode() !== \Memcached::RES_NOTFOUND; } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 3.0.0 / public function get($id, $group, $checkTime = true) { return static::$_db->get($this->_getCacheId($id, $group)); } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 3.0.0 / public function getAll() { $keys = static::$_db->get($this->_hash . '-index'); $secret = $this->_hash; $data = array(); if (is_array($keys)) { foreach ($keys as $key) { if (empty($key)) { continue; } $namearr = explode('-', $key->name); if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache') { $group = $namearr[2]; if (!isset($data[$group])) { $item = new CacheStorageHelper($group); } else { $item = $data[$group]; } $item->updateSize($key->size); $data[$group] = $item; } } } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 3.0.0 / public function store($id, $group, $data) { $cache_id = $this->_getCacheId($id, $group); if (!$this->lockindex()) { return false; } $index = static::$_db->get($this->_hash . '-index'); if (!is_array($index)) { $index = array(); } $tmparr = new \stdClass; $tmparr->name = $cache_id; $tmparr->size = strlen($data); $index[] = $tmparr; static::$_db->set($this->_hash . '-index', $index, 0); $this->unlockindex(); static::$_db->set($cache_id, $data, $this->_lifetime); return true; } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.0.0 / public function remove($id, $group) { $cache_id = $this->_getCacheId($id, $group); if (!$this->lockindex()) { return false; } $index = static::$_db->get($this->_hash . '-index'); if (is_array($index)) { foreach ($index as $key => $value) { if ($value->name == $cache_id) { unset($index[$key]); static::$_db->set($this->_hash . '-index', $index, 0); break; } } } $this->unlockindex(); return static::$_db->delete($cache_id); } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 3.0.0 / public function clean($group, $mode = null) { if (!$this->lockindex()) { return false; } $index = static::$_db->get($this->_hash . '-index'); if (is_array($index)) { $prefix = $this->_hash . '-cache-' . $group . '-'; foreach ($index as $key => $value) { if (strpos($value->name, $prefix) === 0 xor $mode != 'group') { static::$_db->delete($value->name); unset($index[$key]); } } static::$_db->set($this->_hash . '-index', $index, 0); } $this->unlockindex(); return true; } /* * Flush all existing items in storage. * * @return boolean * * @since 3.6.3 / public function flush() { if (!$this->lockindex()) { return false; } return static::$_db->flush(); } /* * Test to see if the storage handler is available. * * @return boolean * * @since 3.0.0 / public static function isSupported() { / * GAE and HHVM have both had instances where Memcached the class was defined but no extension was loaded. * If the class is there, we can assume support. / return class_exists('Memcached'); } /* * Lock cached item * * @param string $id The cache data ID * @param string $group The cache data group * @param integer $locktime Cached item max lock time * * @return mixed Boolean false if locking failed or an object containing properties lock and locklooped * * @since 3.0.0 / public function lock($id, $group, $locktime) { $returning = new \stdClass; $returning->locklooped = false; $looptime = $locktime 10; $cache_id = $this->_getCacheId($id, $group); $data_lock = static::$_db->add($cache_id . '_lock', 1, $locktime); if ($data_lock === false) { $lock_counter = 0; // Loop until you find that the lock has been released. // That implies that data get from other thread has finished. while ($data_lock === false) { if ($lock_counter > $looptime) { break; } usleep(100); $data_lock = static::$_db->add($cache_id . '_lock', 1, $locktime); $lock_counter++; } $returning->locklooped = true; } $returning->locked = $data_lock; return $returning; } /** * Unlock cached item * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.0.0 / public function unlock($id, $group = null) { $cache_id = $this->_getCacheId($id, $group) . '_lock'; return static::$_db->delete($cache_id); } /* * Lock cache index * * @return boolean * * @since 3.0.0 / protected function lockindex() { $looptime = 300; $data_lock = static::$_db->add($this->_hash . '-index_lock', 1, 30); if ($data_lock === false) { $lock_counter = 0; // Loop until you find that the lock has been released. that implies that data get from other thread has finished while ($data_lock === false) { if ($lock_counter > $looptime) { return false; } usleep(100); $data_lock = static::$_db->add($this->_hash . '-index_lock', 1, 30); $lock_counter++; } } return true; } /* * Unlock cache index * * @return boolean * * @since 3.0.0 / protected function unlockindex() { return static::$_db->delete($this->_hash . '-index_lock'); } } PK��]!]�>!d��d��CacheliteStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2010 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\CacheStorage; /* * Cache lite storage handler * * @link http://pear.php.net/package/Cache_Lite/ * @since 1.7.0 * @deprecated 4.0 Deprecated without replacement / class CacheliteStorage extends CacheStorage { /* * Singleton Cache_Lite instance * * @var \Cache_Lite * @since 1.7.0 / protected static $CacheLiteInstance = null; /* * Root path * * @var string * @since 1.7.0 / protected $_root; /* * Constructor * * @param array $options Optional parameters. * * @since 1.7.0 / public function __construct($options = array()) { parent::__construct($options); $this->_root = $options['cachebase']; $cloptions = array( 'cacheDir' => $this->_root . '/', 'lifeTime' => $this->_lifetime, 'fileLocking' => $this->_locking, 'automaticCleaningFactor' => isset($options['autoclean']) ? $options['autoclean'] : 200, 'fileNameProtection' => false, 'hashedDirectoryLevel' => 0, 'caching' => $options['caching'], ); if (static::$CacheLiteInstance === null) { $this->initCache($cloptions); } } /* * Instantiates the Cache_Lite object. Only initializes the engine if it does not already exist. * * @param array $cloptions optional parameters * * @return \Cache_Lite * * @since 1.7.0 / protected function initCache($cloptions) { if (!class_exists('\\Cache_Lite')) { require_once 'Cache/Lite.php'; } static::$CacheLiteInstance = new \Cache_Lite($cloptions); return static::$CacheLiteInstance; } /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { return $this->get($id, $group) !== false; } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function get($id, $group, $checkTime = true) { static::$CacheLiteInstance->setOption('cacheDir', $this->_root . '/' . $group . '/'); // This call is needed to ensure $this->rawname is set $this->_getCacheId($id, $group); return static::$CacheLiteInstance->get($this->rawname, $group); } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function getAll() { $path = $this->_root; $folders = new \DirectoryIterator($path); $data = array(); foreach ($folders as $folder) { if (!$folder->isDir() \|\| $folder->isDot()) { continue; } $foldername = $folder->getFilename(); $files = new \DirectoryIterator($path . '/' . $foldername); $item = new CacheStorageHelper($foldername); foreach ($files as $file) { if (!$file->isFile()) { continue; } $filename = $file->getFilename(); $item->updateSize(filesize($path . '/' . $foldername . '/' . $filename)); } $data[$foldername] = $item; } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 1.7.0 / public function store($id, $group, $data) { $dir = $this->_root . '/' . $group; // If the folder doesn't exist try to create it if (!is_dir($dir)) { // Make sure the index file is there $indexFile = $dir . '/index.html'; @mkdir($dir) && file_put_contents($indexFile, '<!DOCTYPE html><title></title>'); } // Make sure the folder exists if (!is_dir($dir)) { return false; } static::$CacheLiteInstance->setOption('cacheDir', $this->_root . '/' . $group . '/'); // This call is needed to ensure $this->rawname is set $this->_getCacheId($id, $group); return static::$CacheLiteInstance->save($data, $this->rawname, $group); } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function remove($id, $group) { static::$CacheLiteInstance->setOption('cacheDir', $this->_root . '/' . $group . '/'); // This call is needed to ensure $this->rawname is set $this->_getCacheId($id, $group); return static::$CacheLiteInstance->remove($this->rawname, $group); } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 1.7.0 / public function clean($group, $mode = null) { \JLoader::import('joomla.filesystem.folder'); \JLoader::import('joomla.filesystem.file'); switch ($mode) { case 'notgroup': $clmode = 'notingroup'; $success = static::$CacheLiteInstance->clean($group, $clmode); break; case 'group': if (is_dir($this->_root . '/' . $group)) { $clmode = $group; static::$CacheLiteInstance->setOption('cacheDir', $this->_root . '/' . $group . '/'); $success = static::$CacheLiteInstance->clean($group, $clmode); // Remove sub-folders of folder; disable all filtering $folders = \JFolder::folders($this->_root . '/' . $group, '.', false, true, array(), array()); foreach ($folders as $folder) { if (is_link($folder)) { if (\JFile::delete($folder) !== true) { return false; } } elseif (\JFolder::delete($folder) !== true) { return false; } } } else { $success = true; } break; default: if (is_dir($this->_root . '/' . $group)) { $clmode = $group; static::$CacheLiteInstance->setOption('cacheDir', $this->_root . '/' . $group . '/'); $success = static::$CacheLiteInstance->clean($group, $clmode); } else { $success = true; } break; } return $success; } /* * Garbage collect expired cache data * * @return boolean * * @since 1.7.0 / public function gc() { $result = true; static::$CacheLiteInstance->setOption('automaticCleaningFactor', 1); static::$CacheLiteInstance->setOption('hashedDirectoryLevel', 1); $success1 = static::$CacheLiteInstance->_cleanDir($this->_root . '/', false, 'old'); if (!($dh = opendir($this->_root . '/'))) { return false; } while ($file = readdir($dh)) { if (($file != '.') && ($file != '..') && ($file != '.svn')) { $file2 = $this->_root . '/' . $file; if (is_dir($file2)) { $result = ($result && (static::$CacheLiteInstance->_cleanDir($file2 . '/', false, 'old'))); } } } $success = ($success1 && $result); return $success; } /* * Test to see if the storage handler is available. * * @return boolean * * @since 3.0.0 / public static function isSupported() { @include_once 'Cache/Lite.php'; return class_exists('\Cache_Lite'); } } PK��]!]nt�U`$��`$��MemcacheStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2007 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\Cache; use Joomla\CMS\Cache\CacheStorage; use Joomla\CMS\Cache\Exception\CacheConnectingException; /* * Memcache cache storage handler * * @link https://www.php.net/manual/en/book.memcache.php * @since 1.7.0 * @deprecated 4.0 Use the Memcached handler instead / class MemcacheStorage extends CacheStorage { /* * Memcache connection object * * @var \Memcache * @since 1.7.0 / protected static $_db = null; /* * Payload compression level * * @var integer * @since 1.7.0 / protected $_compress = 0; /* * Constructor * * @param array $options Optional parameters. * * @since 1.7.0 / public function __construct($options = array()) { parent::__construct($options); $this->_compress = \JFactory::getConfig()->get('memcache_compress', false) ? MEMCACHE_COMPRESSED : 0; if (static::$_db === null) { $this->getConnection(); } } /* * Create the Memcache connection * * @return void * * @since 1.7.0 * @throws \RuntimeException / protected function getConnection() { if (!static::isSupported()) { throw new \RuntimeException('Memcache Extension is not available'); } $config = \JFactory::getConfig(); $host = $config->get('memcache_server_host', 'localhost'); $port = $config->get('memcache_server_port', 11211); // Create the memcache connection static::$_db = new \Memcache; if ($config->get('memcache_persist', true)) { $result = @static::$_db->pconnect($host, $port); } else { $result = @static::$_db->connect($host, $port); } if (!$result) { // Null out the connection to inform the constructor it will need to attempt to connect if this class is instantiated again static::$_db = null; throw new CacheConnectingException('Could not connect to memcache server'); } } /* * Get a cache_id string from an id/group pair * * @param string $id The cache data id * @param string $group The cache data group * * @return string The cache_id string * * @since 1.7.0 / protected function _getCacheId($id, $group) { $prefix = Cache::getPlatformPrefix(); $length = strlen($prefix); $cache_id = parent::_getCacheId($id, $group); if ($length) { // Memcache use suffix instead of prefix $cache_id = substr($cache_id, $length) . strrev($prefix); } return $cache_id; } /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { return $this->get($id, $group) !== false; } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function get($id, $group, $checkTime = true) { return static::$_db->get($this->_getCacheId($id, $group)); } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function getAll() { $keys = static::$_db->get($this->_hash . '-index'); $secret = $this->_hash; $data = array(); if (is_array($keys)) { foreach ($keys as $key) { if (empty($key)) { continue; } $namearr = explode('-', $key->name); if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache') { $group = $namearr[2]; if (!isset($data[$group])) { $item = new CacheStorageHelper($group); } else { $item = $data[$group]; } $item->updateSize($key->size); $data[$group] = $item; } } } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 1.7.0 / public function store($id, $group, $data) { $cache_id = $this->_getCacheId($id, $group); if (!$this->lockindex()) { return false; } $index = static::$_db->get($this->_hash . '-index'); if (!is_array($index)) { $index = array(); } $tmparr = new \stdClass; $tmparr->name = $cache_id; $tmparr->size = strlen($data); $index[] = $tmparr; static::$_db->set($this->_hash . '-index', $index, 0, 0); $this->unlockindex(); static::$_db->set($cache_id, $data, $this->_compress, $this->_lifetime); return true; } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function remove($id, $group) { $cache_id = $this->_getCacheId($id, $group); if (!$this->lockindex()) { return false; } $index = static::$_db->get($this->_hash . '-index'); if (is_array($index)) { foreach ($index as $key => $value) { if ($value->name == $cache_id) { unset($index[$key]); static::$_db->set($this->_hash . '-index', $index, 0, 0); break; } } } $this->unlockindex(); return static::$_db->delete($cache_id); } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 1.7.0 / public function clean($group, $mode = null) { if (!$this->lockindex()) { return false; } $index = static::$_db->get($this->_hash . '-index'); if (is_array($index)) { $prefix = $this->_hash . '-cache-' . $group . '-'; foreach ($index as $key => $value) { if (strpos($value->name, $prefix) === 0 xor $mode != 'group') { static::$_db->delete($value->name); unset($index[$key]); } } static::$_db->set($this->_hash . '-index', $index, 0, 0); } $this->unlockindex(); return true; } /* * Flush all existing items in storage. * * @return boolean * * @since 3.6.3 / public function flush() { if (!$this->lockindex()) { return false; } return static::$_db->flush(); } /* * Test to see if the storage handler is available. * * @return boolean * * @since 3.0.0 / public static function isSupported() { return extension_loaded('memcache') && class_exists('\\Memcache'); } /* * Lock cached item * * @param string $id The cache data ID * @param string $group The cache data group * @param integer $locktime Cached item max lock time * * @return mixed Boolean false if locking failed or an object containing properties lock and locklooped * * @since 1.7.0 / public function lock($id, $group, $locktime) { $returning = new \stdClass; $returning->locklooped = false; $looptime = $locktime 10; $cache_id = $this->_getCacheId($id, $group); $data_lock = static::$_db->add($cache_id . '_lock', 1, 0, $locktime); if ($data_lock === false) { $lock_counter = 0; // Loop until you find that the lock has been released. // That implies that data get from other thread has finished. while ($data_lock === false) { if ($lock_counter > $looptime) { break; } usleep(100); $data_lock = static::$_db->add($cache_id . '_lock', 1, 0, $locktime); $lock_counter++; } $returning->locklooped = true; } $returning->locked = $data_lock; return $returning; } /** * Unlock cached item * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function unlock($id, $group = null) { $cache_id = $this->_getCacheId($id, $group) . '_lock'; return static::$_db->delete($cache_id); } /* * Lock cache index * * @return boolean * * @since 1.7.0 / protected function lockindex() { $looptime = 300; $data_lock = static::$_db->add($this->_hash . '-index_lock', 1, 0, 30); if ($data_lock === false) { $lock_counter = 0; // Loop until you find that the lock has been released. that implies that data get from other thread has finished while ($data_lock === false) { if ($lock_counter > $looptime) { return false; } usleep(100); $data_lock = static::$_db->add($this->_hash . '-index_lock', 1, 0, 30); $lock_counter++; } } return true; } /* * Unlock cache index * * @return boolean * * @since 1.7.0 / protected function unlockindex() { return static::$_db->delete($this->_hash . '-index_lock'); } } PK��]!],n��RedisStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2014 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\CacheStorage; use Joomla\CMS\Log\Log; /* * Redis cache storage handler for PECL * * @since 3.4 / class RedisStorage extends CacheStorage { /* * Redis connection object * * @var \Redis * @since 3.4 / protected static $_redis = null; /* * Persistent session flag * * @var boolean * @since 3.4 / protected $_persistent = false; /* * Constructor * * @param array $options Optional parameters. * * @since 3.4 / public function __construct($options = array()) { parent::__construct($options); if (static::$_redis === null) { $this->getConnection(); } } /* * Create the Redis connection * * @return \Redis\|boolean Redis connection object on success, boolean on failure * * @since 3.4 * @note As of 4.0 this method will throw a JCacheExceptionConnecting object on connection failure / protected function getConnection() { if (static::isSupported() == false) { return false; } $config = \JFactory::getConfig(); $this->_persistent = $config->get('redis_persist', true); $server = array( 'host' => $config->get('redis_server_host', 'localhost'), 'port' => $config->get('redis_server_port', 6379), 'auth' => $config->get('redis_server_auth', null), 'db' => (int) $config->get('redis_server_db', null), ); // If you are trying to connect to a socket file, ignore the supplied port if ($server['host'][0] === '/') { $server['port'] = 0; } static::$_redis = new \Redis; try { if ($this->_persistent) { $connection = static::$_redis->pconnect($server['host'], $server['port']); } else { $connection = static::$_redis->connect($server['host'], $server['port']); } } catch (\RedisException $e) { Log::add($e->getMessage(), Log::DEBUG); } if ($connection == false) { static::$_redis = null; // Because the application instance may not be available on cli script, use it only if needed if (\JFactory::getApplication()->isClient('administrator')) { \JError::raiseWarning(500, 'Redis connection failed'); } return false; } try { $auth = $server['auth'] ? static::$_redis->auth($server['auth']) : true; } catch (\RedisException $e) { $auth = false; Log::add($e->getMessage(), Log::DEBUG); } if ($auth === false) { static::$_redis = null; // Because the application instance may not be available on cli script, use it only if needed if (\JFactory::getApplication()->isClient('administrator')) { \JError::raiseWarning(500, 'Redis authentication failed'); } return false; } $select = static::$_redis->select($server['db']); if ($select == false) { static::$_redis = null; // Because the application instance may not be available on cli script, use it only if needed if (\JFactory::getApplication()->isClient('administrator')) { \JError::raiseWarning(500, 'Redis failed to select database'); } return false; } try { static::$_redis->ping(); } catch (\RedisException $e) { static::$_redis = null; // Because the application instance may not be available on cli script, use it only if needed if (\JFactory::getApplication()->isClient('administrator')) { \JError::raiseWarning(500, 'Redis ping failed'); } return false; } return static::$_redis; } /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { if (static::isConnected() == false) { return false; } // Redis exists returns integer values lets convert that to boolean see: https://redis.io/commands/exists return (bool) static::$_redis->exists($this->_getCacheId($id, $group)); } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 3.4 / public function get($id, $group, $checkTime = true) { if (static::isConnected() == false) { return false; } return static::$_redis->get($this->_getCacheId($id, $group)); } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 3.4 / public function getAll() { if (static::isConnected() == false) { return false; } $allKeys = static::$_redis->keys(''); $data = array(); $secret = $this->_hash; if (!empty($allKeys)) { foreach ($allKeys as $key) { $namearr = explode('-', $key); if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache') { $group = $namearr[2]; if (!isset($data[$group])) { $item = new CacheStorageHelper($group); } else { $item = $data[$group]; } $item->updateSize(strlen($key)8); $data[$group] = $item; } } } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 3.4 / public function store($id, $group, $data) { if (static::isConnected() == false) { return false; } static::$_redis->setex($this->_getCacheId($id, $group), $this->_lifetime, $data); return true; } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.4 / public function remove($id, $group) { if (static::isConnected() == false) { return false; } return (bool) static::$_redis->del($this->_getCacheId($id, $group)); } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 3.4 / public function clean($group, $mode = null) { if (static::isConnected() == false) { return false; } $allKeys = static::$_redis->keys(''); if ($allKeys === false) { $allKeys = array(); } $secret = $this->_hash; foreach ($allKeys as $key) { if (strpos($key, $secret . '-cache-' . $group . '-') === 0 && $mode == 'group') { static::$_redis->del($key); } if (strpos($key, $secret . '-cache-' . $group . '-') !== 0 && $mode != 'group') { static::$_redis->del($key); } } return true; } /** * Test to see if the storage handler is available. * * @return boolean * * @since 3.4 / public static function isSupported() { return class_exists('\\Redis'); } /* * Test to see if the Redis connection is available. * * @return boolean * * @since 3.4 / public static function isConnected() { return static::$_redis instanceof \Redis; } } PK��]!]d죥��ApcStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2007 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\CacheStorage; /* * APC cache storage handler * * @link https://www.php.net/manual/en/book.apc.php * @since 1.7.0 * @deprecated 4.0 Use the APCu handler instead / class ApcStorage extends CacheStorage { /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { return apc_exists($this->_getCacheId($id, $group)); } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function get($id, $group, $checkTime = true) { return apc_fetch($this->_getCacheId($id, $group)); } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function getAll() { $allinfo = apc_cache_info('user'); $keys = $allinfo['cache_list']; $secret = $this->_hash; $data = array(); foreach ($keys as $key) { if (isset($key['info'])) { // If APCu is being used for this adapter, the internal key name changed with APCu 4.0.7 from key to info $name = $key['info']; } elseif (isset($key['entry_name'])) { // Some APC modules changed the internal key name from key to entry_name, HHVM is one such case $name = $key['entry_name']; } else { // A fall back for the old internal key name $name = $key['key']; } $namearr = explode('-', $name); if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache') { $group = $namearr[2]; if (!isset($data[$group])) { $item = new CacheStorageHelper($group); } else { $item = $data[$group]; } $item->updateSize($key['mem_size']); $data[$group] = $item; } } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 1.7.0 / public function store($id, $group, $data) { return apc_store($this->_getCacheId($id, $group), $data, $this->_lifetime); } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function remove($id, $group) { return apc_delete($this->_getCacheId($id, $group)); } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 1.7.0 / public function clean($group, $mode = null) { $allinfo = apc_cache_info('user'); $keys = $allinfo['cache_list']; $secret = $this->_hash; foreach ($keys as $key) { if (isset($key['info'])) { // If APCu is being used for this adapter, the internal key name changed with APCu 4.0.7 from key to info $internalKey = $key['info']; } elseif (isset($key['entry_name'])) { // Some APC modules changed the internal key name from key to entry_name, HHVM is one such case $internalKey = $key['entry_name']; } else { // A fall back for the old internal key name $internalKey = $key['key']; } if (strpos($internalKey, $secret . '-cache-' . $group . '-') === 0 xor $mode != 'group') { apc_delete($internalKey); } } return true; } /* * Garbage collect expired cache data * * @return boolean * * @since 1.7.0 / public function gc() { $allinfo = apc_cache_info('user'); $keys = $allinfo['cache_list']; $secret = $this->_hash; foreach ($keys as $key) { if (isset($key['info'])) { // If APCu is being used for this adapter, the internal key name changed with APCu 4.0.7 from key to info $internalKey = $key['info']; } elseif (isset($key['entry_name'])) { // Some APC modules changed the internal key name from key to entry_name, HHVM is one such case $internalKey = $key['entry_name']; } else { // A fall back for the old internal key name $internalKey = $key['key']; } if (strpos($internalKey, $secret . '-cache-')) { apc_fetch($internalKey); } } } /* * Test to see if the storage handler is available. * * @return boolean * * @since 3.0.0 / public static function isSupported() { $supported = extension_loaded('apc') && ini_get('apc.enabled'); // If on the CLI interface, the `apc.enable_cli` option must also be enabled if ($supported && php_sapi_name() === 'cli') { $supported = ini_get('apc.enable_cli'); } return (bool) $supported; } /* * Lock cached item * * @param string $id The cache data ID * @param string $group The cache data group * @param integer $locktime Cached item max lock time * * @return mixed Boolean false if locking failed or an object containing properties lock and locklooped * * @since 1.7.0 / public function lock($id, $group, $locktime) { $returning = new \stdClass; $returning->locklooped = false; $looptime = $locktime 10; $cache_id = $this->_getCacheId($id, $group) . '_lock'; $data_lock = apc_add($cache_id, 1, $locktime); if ($data_lock === false) { $lock_counter = 0; // Loop until you find that the lock has been released. That implies that data get from other thread has finished while ($data_lock === false) { if ($lock_counter > $looptime) { $returning->locked = false; $returning->locklooped = true; break; } usleep(100); $data_lock = apc_add($cache_id, 1, $locktime); $lock_counter++; } } $returning->locked = $data_lock; return $returning; } /** * Unlock cached item * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function unlock($id, $group = null) { return apc_delete($this->_getCacheId($id, $group) . '_lock'); } } PK��]!]��%��%��ApcuStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2016 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\CacheStorage; /* * APCu cache storage handler * * @link https://www.php.net/manual/en/ref.apcu.php * @since 3.5 / class ApcuStorage extends CacheStorage { /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { return apcu_exists($this->_getCacheId($id, $group)); } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 3.5 / public function get($id, $group, $checkTime = true) { return apcu_fetch($this->_getCacheId($id, $group)); } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 3.5 / public function getAll() { $allinfo = apcu_cache_info(); $keys = $allinfo['cache_list']; $secret = $this->_hash; $data = array(); foreach ($keys as $key) { if (isset($key['info'])) { // The internal key name changed with APCu 4.0.7 from key to info $name = $key['info']; } elseif (isset($key['entry_name'])) { // Some APCu modules changed the internal key name from key to entry_name $name = $key['entry_name']; } else { // A fall back for the old internal key name $name = $key['key']; } $namearr = explode('-', $name); if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache') { $group = $namearr[2]; if (!isset($data[$group])) { $item = new CacheStorageHelper($group); } else { $item = $data[$group]; } $item->updateSize($key['mem_size']); $data[$group] = $item; } } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 3.5 / public function store($id, $group, $data) { return apcu_store($this->_getCacheId($id, $group), $data, $this->_lifetime); } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.5 / public function remove($id, $group) { $cache_id = $this->_getCacheId($id, $group); // The apcu_delete function returns false if the ID does not exist if (apcu_exists($cache_id)) { return apcu_delete($cache_id); } return true; } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 3.5 / public function clean($group, $mode = null) { $allinfo = apcu_cache_info(); $keys = $allinfo['cache_list']; $secret = $this->_hash; foreach ($keys as $key) { if (isset($key['info'])) { // The internal key name changed with APCu 4.0.7 from key to info $internalKey = $key['info']; } elseif (isset($key['entry_name'])) { // Some APCu modules changed the internal key name from key to entry_name $internalKey = $key['entry_name']; } else { // A fall back for the old internal key name $internalKey = $key['key']; } if (strpos($internalKey, $secret . '-cache-' . $group . '-') === 0 xor $mode != 'group') { apcu_delete($internalKey); } } return true; } /* * Garbage collect expired cache data * * @return boolean * * @since 3.5 / public function gc() { $allinfo = apcu_cache_info(); $keys = $allinfo['cache_list']; $secret = $this->_hash; foreach ($keys as $key) { if (isset($key['info'])) { // The internal key name changed with APCu 4.0.7 from key to info $internalKey = $key['info']; } elseif (isset($key['entry_name'])) { // Some APCu modules changed the internal key name from key to entry_name $internalKey = $key['entry_name']; } else { // A fall back for the old internal key name $internalKey = $key['key']; } if (strpos($internalKey, $secret . '-cache-')) { apcu_fetch($internalKey); } } return true; } /* * Test to see if the storage handler is available. * * @return boolean * * @since 3.5 / public static function isSupported() { $supported = extension_loaded('apcu') && ini_get('apc.enabled'); // If on the CLI interface, the `apc.enable_cli` option must also be enabled if ($supported && php_sapi_name() === 'cli') { $supported = ini_get('apc.enable_cli'); } return (bool) $supported; } /* * Lock cached item * * @param string $id The cache data ID * @param string $group The cache data group * @param integer $locktime Cached item max lock time * * @return mixed Boolean false if locking failed or an object containing properties lock and locklooped * * @since 3.5 / public function lock($id, $group, $locktime) { $returning = new \stdClass; $returning->locklooped = false; $looptime = $locktime 10; $cache_id = $this->_getCacheId($id, $group) . '_lock'; $data_lock = apcu_add($cache_id, 1, $locktime); if ($data_lock === false) { $lock_counter = 0; // Loop until you find that the lock has been released. // That implies that data get from other thread has finished while ($data_lock === false) { if ($lock_counter > $looptime) { $returning->locked = false; $returning->locklooped = true; break; } usleep(100); $data_lock = apcu_add($cache_id, 1, $locktime); $lock_counter++; } } $returning->locked = $data_lock; return $returning; } /** * Unlock cached item * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.5 / public function unlock($id, $group = null) { $cache_id = $this->_getCacheId($id, $group) . '_lock'; // The apcu_delete function returns false if the ID does not exist if (apcu_exists($cache_id)) { return apcu_delete($cache_id); } return true; } } PK��]!]�:�sD��D��FileStorage.phpnu�&1i��<?php /* * Joomla! Content Management System * * @copyright (C) 2007 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Cache\Storage; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Cache\CacheStorage; use Joomla\CMS\Log\Log; /* * File cache storage handler * * @since 1.7.0 * @note For performance reasons this class does not use the Filesystem package's API / class FileStorage extends CacheStorage { /* * Root path * * @var string * @since 1.7.0 / protected $_root; /* * Locked resources * * @var array * @since 3.7.0 * / protected $_locked_files = array(); /* * Constructor * * @param array $options Optional parameters * * @since 1.7.0 / public function __construct($options = array()) { parent::__construct($options); $this->_root = $options['cachebase']; // Workaround for php 5.3 $locked_files = &$this->_locked_files; // Remove empty locked files at script shutdown. $clearAtShutdown = function () use (&$locked_files) { foreach ($locked_files as $path => $handle) { if (is_resource($handle)) { @flock($handle, LOCK_UN); @fclose($handle); } // Delete only the existing file if it is empty. if (@filesize($path) === 0) { @unlink($path); } unset($locked_files[$path]); } }; register_shutdown_function($clearAtShutdown); } /* * Check if the cache contains data stored by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 3.7.0 / public function contains($id, $group) { return $this->_checkExpire($id, $group); } /* * Get cached data by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param boolean $checkTime True to verify cache time expiration threshold * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function get($id, $group, $checkTime = true) { $path = $this->_getFilePath($id, $group); $close = false; if ($checkTime == false \|\| ($checkTime == true && $this->_checkExpire($id, $group) === true)) { if (file_exists($path)) { if (isset($this->_locked_files[$path])) { $_fileopen = $this->_locked_files[$path]; } else { $_fileopen = @fopen($path, 'rb'); // There is no lock, we have to close file after store data $close = true; } if ($_fileopen) { // On Windows system we can not use file_get_contents on the file locked by yourself $data = stream_get_contents($_fileopen); if ($close) { @fclose($_fileopen); } if ($data !== false) { // Remove the initial die() statement return str_replace('<?php die("Access Denied"); ?>#x#', '', $data); } } } } return false; } /* * Get all cached data * * @return mixed Boolean false on failure or a cached data object * * @since 1.7.0 / public function getAll() { $path = $this->_root; $folders = $this->_folders($path); $data = array(); foreach ($folders as $folder) { $files = $this->_filesInFolder($path . '/' . $folder); $item = new CacheStorageHelper($folder); foreach ($files as $file) { $item->updateSize(filesize($path . '/' . $folder . '/' . $file)); } $data[$folder] = $item; } return $data; } /* * Store the data to cache by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * @param string $data The data to store in cache * * @return boolean * * @since 1.7.0 / public function store($id, $group, $data) { $path = $this->_getFilePath($id, $group); $close = false; // Prepend a die string $data = '<?php die("Access Denied"); ?>#x#' . $data; if (isset($this->_locked_files[$path])) { $_fileopen = $this->_locked_files[$path]; // Because lock method uses flag c+b we have to truncate it manually @ftruncate($_fileopen, 0); } else { $_fileopen = @fopen($path, 'wb'); // There is no lock, we have to close file after store data $close = true; } if ($_fileopen) { $length = strlen($data); $result = @fwrite($_fileopen, $data, $length); if ($close) { @fclose($_fileopen); } return $result === $length; } return false; } /* * Remove a cached data entry by ID and group * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function remove($id, $group) { $path = $this->_getFilePath($id, $group); if (!@unlink($path)) { return false; } return true; } /* * Clean cache for a group given a mode. * * group mode : cleans all cache in the group * notgroup mode : cleans all cache not in the group * * @param string $group The cache data group * @param string $mode The mode for cleaning cache [group\|notgroup] * * @return boolean * * @since 1.7.0 / public function clean($group, $mode = null) { $return = true; $folder = $group; if (trim($folder) == '') { $mode = 'notgroup'; } switch ($mode) { case 'notgroup' : $folders = $this->_folders($this->_root); for ($i = 0, $n = count($folders); $i < $n; $i++) { if ($folders[$i] != $folder) { $return \|= $this->_deleteFolder($this->_root . '/' . $folders[$i]); } } break; case 'group' : default : if (is_dir($this->_root . '/' . $folder)) { $return = $this->_deleteFolder($this->_root . '/' . $folder); } break; } return (bool) $return; } /* * Garbage collect expired cache data * * @return boolean * * @since 1.7.0 / public function gc() { $result = true; // Files older than lifeTime get deleted from cache $files = $this->_filesInFolder($this->_root, '', true, true, array('.svn', 'CVS', '.DS_Store', '__MACOSX', 'index.html')); foreach ($files as $file) { $time = @filemtime($file); if (($time + $this->_lifetime) < $this->_now \|\| empty($time)) { $result \|= @unlink($file); } } return (bool) $result; } /* * Lock cached item * * @param string $id The cache data ID * @param string $group The cache data group * @param integer $locktime Cached item max lock time * * @return mixed Boolean false if locking failed or an object containing properties lock and locklooped * * @since 1.7.0 / public function lock($id, $group, $locktime) { $returning = new \stdClass; $returning->locklooped = false; $looptime = $locktime 10; $path = $this->_getFilePath($id, $group); $_fileopen = @fopen($path, 'c+b'); if (!$_fileopen) { $returning->locked = false; return $returning; } $data_lock = (bool) @flock($_fileopen, LOCK_EX\|LOCK_NB); if ($data_lock === false) { $lock_counter = 0; // Loop until you find that the lock has been released. // That implies that data get from other thread has finished while ($data_lock === false) { if ($lock_counter > $looptime) { break; } usleep(100); $data_lock = (bool) @flock($_fileopen, LOCK_EX\|LOCK_NB); $lock_counter++; } $returning->locklooped = true; } if ($data_lock === true) { // Remember resource, flock release lock if you unset/close resource $this->_locked_files[$path] = $_fileopen; } $returning->locked = $data_lock; return $returning; } /** * Unlock cached item * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean * * @since 1.7.0 / public function unlock($id, $group = null) { $path = $this->_getFilePath($id, $group); if (isset($this->_locked_files[$path])) { $ret = (bool) @flock($this->_locked_files[$path], LOCK_UN); @fclose($this->_locked_files[$path]); unset($this->_locked_files[$path]); return $ret; } return true; } /* * Check if a cache object has expired * * Using @ error suppressor here because between if we did a file_exists() and then filemsize() there will * be a little time space when another process can delete the file and then you get PHP Warning * * @param string $id Cache ID to check * @param string $group The cache data group * * @return boolean True if the cache ID is valid * * @since 1.7.0 / protected function _checkExpire($id, $group) { $path = $this->_getFilePath($id, $group); // Check prune period if (file_exists($path)) { $time = @filemtime($path); if (($time + $this->_lifetime) < $this->_now \|\| empty($time)) { @unlink($path); return false; } // If, right now, the file does not exist then return false if (@filesize($path) == 0) { return false; } return true; } return false; } /* * Get a cache file path from an ID/group pair * * @param string $id The cache data ID * @param string $group The cache data group * * @return boolean\|string The path to the data object or boolean false if the cache directory does not exist * * @since 1.7.0 / protected function _getFilePath($id, $group) { $name = $this->_getCacheId($id, $group); $dir = $this->_root . '/' . $group; // If the folder doesn't exist try to create it if (!is_dir($dir)) { // Make sure the index file is there $indexFile = $dir . '/index.html'; @mkdir($dir) && file_put_contents($indexFile, '<!DOCTYPE html><title></title>'); } // Make sure the folder exists if (!is_dir($dir)) { return false; } return $dir . '/' . $name . '.php'; } /* * Quickly delete a folder of files * * @param string $path The path to the folder to delete. * * @return boolean * * @since 1.7.0 / protected function _deleteFolder($path) { // Sanity check if (!$path \|\| !is_dir($path) \|\| empty($this->_root)) { // Bad programmer! Bad, bad programmer! Log::add(__METHOD__ . ' ' . \JText::_('JLIB_FILESYSTEM_ERROR_DELETE_BASE_DIRECTORY'), Log::WARNING, 'jerror'); return false; } $path = $this->_cleanPath($path); // Check to make sure path is inside cache folder, we do not want to delete Joomla root! $pos = strpos($path, $this->_cleanPath($this->_root)); if ($pos === false \|\| $pos > 0) { Log::add(__METHOD__ . ' ' . \JText::sprintf('JLIB_FILESYSTEM_ERROR_PATH_IS_NOT_A_FOLDER', $path), Log::WARNING, 'jerror'); return false; } // Remove all the files in folder if they exist; disable all filtering $files = $this->_filesInFolder($path, '.', false, true, array(), array()); if (!empty($files) && !is_array($files)) { if (@unlink($files) !== true) { return false; } } elseif (!empty($files) && is_array($files)) { foreach ($files as $file) { $file = $this->_cleanPath($file); // In case of restricted permissions we zap it one way or the other as long as the owner is either the webserver or the ftp if (@unlink($file) !== true) { Log::add(__METHOD__ . ' ' . \JText::sprintf('JLIB_FILESYSTEM_DELETE_FAILED', basename($file)), Log::WARNING, 'jerror'); return false; } } } // Remove sub-folders of folder; disable all filtering $folders = $this->_folders($path, '.', false, true, array(), array()); foreach ($folders as $folder) { if (is_link($folder)) { // Don't descend into linked directories, just delete the link. if (@unlink($folder) !== true) { return false; } } elseif ($this->_deleteFolder($folder) !== true) { return false; } } // In case of restricted permissions we zap it one way or the other as long as the owner is either the webserver or the ftp if (@rmdir($path)) { return true; } Log::add(__METHOD__ . ' ' . \JText::sprintf('JLIB_FILESYSTEM_ERROR_FOLDER_DELETE', $path), Log::WARNING, 'jerror'); return false; } /* * Function to strip additional / or \ in a path name * * @param string $path The path to clean * @param string $ds Directory separator (optional) * * @return string The cleaned path * * @since 1.7.0 / protected function _cleanPath($path, $ds = DIRECTORY_SEPARATOR) { $path = trim($path); if (empty($path)) { return $this->_root; } // Remove double slashes and backslashes and convert all slashes and backslashes to DIRECTORY_SEPARATOR $path = preg_replace('#[/\\\\]+#', $ds, $path); return $path; } /* * Utility function to quickly read the files in a folder. * * @param string $path The path of the folder to read. * @param string $filter A filter for file names. * @param mixed $recurse True to recursively search into sub-folders, or an integer to specify the maximum depth. * @param boolean $fullpath True to return the full path to the file. * @param array $exclude Array with names of files which should not be shown in the result. * @param array $excludefilter Array of folder names to exclude * * @return array Files in the given folder. * * @since 1.7.0 / protected function _filesInFolder($path, $filter = '.', $recurse = false, $fullpath = false, $exclude = array('.svn', 'CVS', '.DS_Store', '__MACOSX'), $excludefilter = array('^\..', '.~')) { $arr = array(); // Check to make sure the path valid and clean $path = $this->_cleanPath($path); // Is the path a folder? if (!is_dir($path)) { Log::add(__METHOD__ . ' ' . \JText::sprintf('JLIB_FILESYSTEM_ERROR_PATH_IS_NOT_A_FOLDER', $path), Log::WARNING, 'jerror'); return false; } // Read the source directory. if (!($handle = @opendir($path))) { return $arr; } if (count($excludefilter)) { $excludefilter = '/(' . implode('\|', $excludefilter) . ')/'; } else { $excludefilter = ''; } while (($file = readdir($handle)) !== false) { if (($file != '.') && ($file != '..') && (!in_array($file, $exclude)) && (!$excludefilter \|\| !preg_match($excludefilter, $file))) { $dir = $path . '/' . $file; $isDir = is_dir($dir); if ($isDir) { if ($recurse) { if (is_int($recurse)) { $arr2 = $this->_filesInFolder($dir, $filter, $recurse - 1, $fullpath); } else { $arr2 = $this->_filesInFolder($dir, $filter, $recurse, $fullpath); } $arr = array_merge($arr, $arr2); } } else { if (preg_match("/$filter/", $file)) { if ($fullpath) { $arr[] = $path . '/' . $file; } else { $arr[] = $file; } } } } } closedir($handle); return $arr; } /* * Utility function to read the folders in a folder. * * @param string $path The path of the folder to read. * @param string $filter A filter for folder names. * @param mixed $recurse True to recursively search into sub-folders, or an integer to specify the maximum depth. * @param boolean $fullpath True to return the full path to the folders. * @param array $exclude Array with names of folders which should not be shown in the result. * @param array $excludefilter Array with regular expressions matching folders which should not be shown in the result. * * @return array Folders in the given folder. * * @since 1.7.0 / protected function _folders($path, $filter = '.', $recurse = false, $fullpath = false, $exclude = array('.svn', 'CVS', '.DS_Store', '__MACOSX'), $excludefilter = array('^\..')) { $arr = array(); // Check to make sure the path valid and clean $path = $this->_cleanPath($path); // Is the path a folder? if (!is_dir($path)) { Log::add(__METHOD__ . ' ' . \JText::sprintf('JLIB_FILESYSTEM_ERROR_PATH_IS_NOT_A_FOLDER', $path), Log::WARNING, 'jerror'); return false; } // Read the source directory if (!($handle = @opendir($path))) { return $arr; } if (count($excludefilter)) { $excludefilter_string = '/(' . implode('\|', $excludefilter) . ')/'; } else { $excludefilter_string = ''; } while (($file = readdir($handle)) !== false) { if (($file != '.') && ($file != '..') && (!in_array($file, $exclude)) && (empty($excludefilter_string) \|\| !preg_match($excludefilter_string, $file))) { $dir = $path . '/' . $file; $isDir = is_dir($dir); if ($isDir) { // Removes filtered directories if (preg_match("/$filter/", $file)) { if ($fullpath) { $arr[] = $dir; } else { $arr[] = $file; } } if ($recurse) { if (is_int($recurse)) { $arr2 = $this->_folders($dir, $filter, $recurse - 1, $fullpath, $exclude, $excludefilter); } else { $arr2 = $this->_folders($dir, $filter, $recurse, $fullpath, $exclude, $excludefilter); } $arr = array_merge($arr, $arr2); } } } } closedir($handle); return $arr; } } PK��]!]��b �� CacheStorageHelper.phpnu�&1i��PK��]!] ��*��P��WincacheStorage.phpnu�&1i��PK��]!]F��XcacheStorage.phpnu�&1i��PK��]!] O2ծ&��&��0)��MemcachedStorage.phpnu�&1i��PK��]!]�>!d��d��"P��CacheliteStorage.phpnu�&1i��PK��]!]nt�U`$��`$��n��MemcacheStorage.phpnu�&1i��PK��]!],n��m��RedisStorage.phpnu�&1i��PK��]!]d죥��h��ApcStorage.phpnu�&1i��PK��]!]��%��%��ApcuStorage.phpnu�&1i��PK��]!]�:�sD��D�� FileStorage.phpnu�&1i��PK�� 1��\,��

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