From 42c80841c846610be280218d53fcde06b0f0063b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= Date: Fri, 6 Dec 2013 09:45:27 +0100 Subject: [change] we now use Full-Text RSS 3.1, thank you so much @fivefilters --- .../Zend/Cache/Backend/ExtendedInterface.php | 127 +++ inc/3rdparty/libraries/Zend/Cache/Backend/File.php | 1034 ++++++++++++++++++++ .../libraries/Zend/Cache/Backend/Interface.php | 99 ++ 3 files changed, 1260 insertions(+) create mode 100644 inc/3rdparty/libraries/Zend/Cache/Backend/ExtendedInterface.php create mode 100644 inc/3rdparty/libraries/Zend/Cache/Backend/File.php create mode 100644 inc/3rdparty/libraries/Zend/Cache/Backend/Interface.php (limited to 'inc/3rdparty/libraries/Zend/Cache/Backend') diff --git a/inc/3rdparty/libraries/Zend/Cache/Backend/ExtendedInterface.php b/inc/3rdparty/libraries/Zend/Cache/Backend/ExtendedInterface.php new file mode 100644 index 00000000..c192baaf --- /dev/null +++ b/inc/3rdparty/libraries/Zend/Cache/Backend/ExtendedInterface.php @@ -0,0 +1,127 @@ + (string) cache_dir : + * - Directory where to put the cache files + * + * =====> (boolean) file_locking : + * - Enable / disable file_locking + * - Can avoid cache corruption under bad circumstances but it doesn't work on multithread + * webservers and on NFS filesystems for example + * + * =====> (boolean) read_control : + * - Enable / disable read control + * - If enabled, a control key is embeded in cache file and this key is compared with the one + * calculated after the reading. + * + * =====> (string) read_control_type : + * - Type of read control (only if read control is enabled). Available values are : + * 'md5' for a md5 hash control (best but slowest) + * 'crc32' for a crc32 hash control (lightly less safe but faster, better choice) + * 'adler32' for an adler32 hash control (excellent choice too, faster than crc32) + * 'strlen' for a length only test (fastest) + * + * =====> (int) hashed_directory_level : + * - Hashed directory level + * - Set the hashed directory structure level. 0 means "no hashed directory + * structure", 1 means "one level of directory", 2 means "two levels"... + * This option can speed up the cache only when you have many thousands of + * cache file. Only specific benchs can help you to choose the perfect value + * for you. Maybe, 1 or 2 is a good start. + * + * =====> (int) hashed_directory_umask : + * - deprecated + * - Permissions for hashed directory structure + * + * =====> (int) hashed_directory_perm : + * - Permissions for hashed directory structure + * + * =====> (string) file_name_prefix : + * - prefix for cache files + * - be really carefull with this option because a too generic value in a system cache dir + * (like /tmp) can cause disasters when cleaning the cache + * + * =====> (int) cache_file_umask : + * - deprecated + * - Permissions for cache files + * + * =====> (int) cache_file_perm : + * - Permissions for cache files + * + * =====> (int) metatadatas_array_max_size : + * - max size for the metadatas array (don't change this value unless you + * know what you are doing) + * + * @var array available options + */ + protected $_options = array( + 'cache_dir' => null, + 'file_locking' => true, + 'read_control' => true, + 'read_control_type' => 'crc32', + 'hashed_directory_level' => 0, + 'hashed_directory_perm' => 0700, + 'file_name_prefix' => 'zend_cache', + 'cache_file_perm' => 0600, + 'metadatas_array_max_size' => 100 + ); + + /** + * Array of metadatas (each item is an associative array) + * + * @var array + */ + protected $_metadatasArray = array(); + + + /** + * Constructor + * + * @param array $options associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + parent::__construct($options); + if ($this->_options['cache_dir'] !== null) { // particular case for this option + $this->setCacheDir($this->_options['cache_dir']); + } else { + $this->setCacheDir(self::getTmpDir() . DIRECTORY_SEPARATOR, false); + } + if (isset($this->_options['file_name_prefix'])) { // particular case for this option + if (!preg_match('~^[a-zA-Z0-9_]+$~D', $this->_options['file_name_prefix'])) { + Zend_Cache::throwException('Invalid file_name_prefix : must use only [a-zA-Z0-9_]'); + } + } + if ($this->_options['metadatas_array_max_size'] < 10) { + Zend_Cache::throwException('Invalid metadatas_array_max_size, must be > 10'); + } + + if (isset($options['hashed_directory_umask'])) { + // See #ZF-12047 + trigger_error("'hashed_directory_umask' is deprecated -> please use 'hashed_directory_perm' instead", E_USER_NOTICE); + if (!isset($options['hashed_directory_perm'])) { + $options['hashed_directory_perm'] = $options['hashed_directory_umask']; + } + } + if (isset($options['hashed_directory_perm']) && is_string($options['hashed_directory_perm'])) { + // See #ZF-4422 + $this->_options['hashed_directory_perm'] = octdec($this->_options['hashed_directory_perm']); + } + + if (isset($options['cache_file_umask'])) { + // See #ZF-12047 + trigger_error("'cache_file_umask' is deprecated -> please use 'cache_file_perm' instead", E_USER_NOTICE); + if (!isset($options['cache_file_perm'])) { + $options['cache_file_perm'] = $options['cache_file_umask']; + } + } + if (isset($options['cache_file_perm']) && is_string($options['cache_file_perm'])) { + // See #ZF-4422 + $this->_options['cache_file_perm'] = octdec($this->_options['cache_file_perm']); + } + } + + /** + * Set the cache_dir (particular case of setOption() method) + * + * @param string $value + * @param boolean $trailingSeparator If true, add a trailing separator is necessary + * @throws Zend_Cache_Exception + * @return void + */ + public function setCacheDir($value, $trailingSeparator = true) + { + if (!is_dir($value)) { + Zend_Cache::throwException(sprintf('cache_dir "%s" must be a directory', $value)); + } + if (!is_writable($value)) { + Zend_Cache::throwException(sprintf('cache_dir "%s" is not writable', $value)); + } + if ($trailingSeparator) { + // add a trailing DIRECTORY_SEPARATOR if necessary + $value = rtrim(realpath($value), '\\/') . DIRECTORY_SEPARATOR; + } + $this->_options['cache_dir'] = $value; + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id cache id + * @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested + * @return string|false cached datas + */ + public function load($id, $doNotTestCacheValidity = false) + { + if (!($this->_test($id, $doNotTestCacheValidity))) { + // The cache is not hit ! + return false; + } + $metadatas = $this->_getMetadatas($id); + $file = $this->_file($id); + $data = $this->_fileGetContents($file); + if ($this->_options['read_control']) { + $hashData = $this->_hash($data, $this->_options['read_control_type']); + $hashControl = $metadatas['hash']; + if ($hashData != $hashControl) { + // Problem detected by the read control ! + $this->_log('Zend_Cache_Backend_File::load() / read_control : stored hash and computed hash do not match'); + $this->remove($id); + return false; + } + } + return $data; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id cache id + * @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + clearstatcache(); + return $this->_test($id, false); + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data Datas to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + clearstatcache(); + $file = $this->_file($id); + $path = $this->_path($id); + if ($this->_options['hashed_directory_level'] > 0) { + if (!is_writable($path)) { + // maybe, we just have to build the directory structure + $this->_recursiveMkdirAndChmod($id); + } + if (!is_writable($path)) { + return false; + } + } + if ($this->_options['read_control']) { + $hash = $this->_hash($data, $this->_options['read_control_type']); + } else { + $hash = ''; + } + $metadatas = array( + 'hash' => $hash, + 'mtime' => time(), + 'expire' => $this->_expireTime($this->getLifetime($specificLifetime)), + 'tags' => $tags + ); + $res = $this->_setMetadatas($id, $metadatas); + if (!$res) { + $this->_log('Zend_Cache_Backend_File::save() / error on saving metadata'); + return false; + } + $res = $this->_filePutContents($file, $data); + return $res; + } + + /** + * Remove a cache record + * + * @param string $id cache id + * @return boolean true if no problem + */ + public function remove($id) + { + $file = $this->_file($id); + $boolRemove = $this->_remove($file); + $boolMetadata = $this->_delMetadatas($id); + return $boolMetadata && $boolRemove; + } + + /** + * Clean some cache records + * + * Available modes are : + * + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode clean mode + * @param tags array $tags array of tags + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + // We use this protected method to hide the recursive stuff + clearstatcache(); + return $this->_clean($this->_options['cache_dir'], $mode, $tags); + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + return $this->_get($this->_options['cache_dir'], 'ids', array()); + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + return $this->_get($this->_options['cache_dir'], 'tags', array()); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + return $this->_get($this->_options['cache_dir'], 'matching', $tags); + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + return $this->_get($this->_options['cache_dir'], 'notMatching', $tags); + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + return $this->_get($this->_options['cache_dir'], 'matchingAny', $tags); + } + + /** + * Return the filling percentage of the backend storage + * + * @throws Zend_Cache_Exception + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + $free = disk_free_space($this->_options['cache_dir']); + $total = disk_total_space($this->_options['cache_dir']); + if ($total == 0) { + Zend_Cache::throwException('can\'t get disk_total_space'); + } else { + if ($free >= $total) { + return 100; + } + return ((int) (100. * ($total - $free) / $total)); + } + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + $metadatas = $this->_getMetadatas($id); + if (!$metadatas) { + return false; + } + if (time() > $metadatas['expire']) { + return false; + } + return array( + 'expire' => $metadatas['expire'], + 'tags' => $metadatas['tags'], + 'mtime' => $metadatas['mtime'] + ); + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + $metadatas = $this->_getMetadatas($id); + if (!$metadatas) { + return false; + } + if (time() > $metadatas['expire']) { + return false; + } + $newMetadatas = array( + 'hash' => $metadatas['hash'], + 'mtime' => time(), + 'expire' => $metadatas['expire'] + $extraLifetime, + 'tags' => $metadatas['tags'] + ); + $res = $this->_setMetadatas($id, $newMetadatas); + if (!$res) { + return false; + } + return true; + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + return array( + 'automatic_cleaning' => true, + 'tags' => true, + 'expired_read' => true, + 'priority' => false, + 'infinite_lifetime' => true, + 'get_list' => true + ); + } + + /** + * PUBLIC METHOD FOR UNIT TESTING ONLY ! + * + * Force a cache record to expire + * + * @param string $id cache id + */ + public function ___expire($id) + { + $metadatas = $this->_getMetadatas($id); + if ($metadatas) { + $metadatas['expire'] = 1; + $this->_setMetadatas($id, $metadatas); + } + } + + /** + * Get a metadatas record + * + * @param string $id Cache id + * @return array|false Associative array of metadatas + */ + protected function _getMetadatas($id) + { + if (isset($this->_metadatasArray[$id])) { + return $this->_metadatasArray[$id]; + } else { + $metadatas = $this->_loadMetadatas($id); + if (!$metadatas) { + return false; + } + $this->_setMetadatas($id, $metadatas, false); + return $metadatas; + } + } + + /** + * Set a metadatas record + * + * @param string $id Cache id + * @param array $metadatas Associative array of metadatas + * @param boolean $save optional pass false to disable saving to file + * @return boolean True if no problem + */ + protected function _setMetadatas($id, $metadatas, $save = true) + { + if (count($this->_metadatasArray) >= $this->_options['metadatas_array_max_size']) { + $n = (int) ($this->_options['metadatas_array_max_size'] / 10); + $this->_metadatasArray = array_slice($this->_metadatasArray, $n); + } + if ($save) { + $result = $this->_saveMetadatas($id, $metadatas); + if (!$result) { + return false; + } + } + $this->_metadatasArray[$id] = $metadatas; + return true; + } + + /** + * Drop a metadata record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + protected function _delMetadatas($id) + { + if (isset($this->_metadatasArray[$id])) { + unset($this->_metadatasArray[$id]); + } + $file = $this->_metadatasFile($id); + return $this->_remove($file); + } + + /** + * Clear the metadatas array + * + * @return void + */ + protected function _cleanMetadatas() + { + $this->_metadatasArray = array(); + } + + /** + * Load metadatas from disk + * + * @param string $id Cache id + * @return array|false Metadatas associative array + */ + protected function _loadMetadatas($id) + { + $file = $this->_metadatasFile($id); + $result = $this->_fileGetContents($file); + if (!$result) { + return false; + } + $tmp = @unserialize($result); + return $tmp; + } + + /** + * Save metadatas to disk + * + * @param string $id Cache id + * @param array $metadatas Associative array + * @return boolean True if no problem + */ + protected function _saveMetadatas($id, $metadatas) + { + $file = $this->_metadatasFile($id); + $result = $this->_filePutContents($file, serialize($metadatas)); + if (!$result) { + return false; + } + return true; + } + + /** + * Make and return a file name (with path) for metadatas + * + * @param string $id Cache id + * @return string Metadatas file name (with path) + */ + protected function _metadatasFile($id) + { + $path = $this->_path($id); + $fileName = $this->_idToFileName('internal-metadatas---' . $id); + return $path . $fileName; + } + + /** + * Check if the given filename is a metadatas one + * + * @param string $fileName File name + * @return boolean True if it's a metadatas one + */ + protected function _isMetadatasFile($fileName) + { + $id = $this->_fileNameToId($fileName); + if (substr($id, 0, 21) == 'internal-metadatas---') { + return true; + } else { + return false; + } + } + + /** + * Remove a file + * + * If we can't remove the file (because of locks or any problem), we will touch + * the file to invalidate it + * + * @param string $file Complete file path + * @return boolean True if ok + */ + protected function _remove($file) + { + if (!is_file($file)) { + return false; + } + if (!@unlink($file)) { + # we can't remove the file (because of locks or any problem) + $this->_log("Zend_Cache_Backend_File::_remove() : we can't remove $file"); + return false; + } + return true; + } + + /** + * Clean some cache records (protected method used for recursive stuff) + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $dir Directory to clean + * @param string $mode Clean mode + * @param array $tags Array of tags + * @throws Zend_Cache_Exception + * @return boolean True if no problem + */ + protected function _clean($dir, $mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + if (!is_dir($dir)) { + return false; + } + $result = true; + $prefix = $this->_options['file_name_prefix']; + $glob = @glob($dir . $prefix . '--*'); + if ($glob === false) { + // On some systems it is impossible to distinguish between empty match and an error. + return true; + } + foreach ($glob as $file) { + if (is_file($file)) { + $fileName = basename($file); + if ($this->_isMetadatasFile($fileName)) { + // in CLEANING_MODE_ALL, we drop anything, even remainings old metadatas files + if ($mode != Zend_Cache::CLEANING_MODE_ALL) { + continue; + } + } + $id = $this->_fileNameToId($fileName); + $metadatas = $this->_getMetadatas($id); + if ($metadatas === FALSE) { + $metadatas = array('expire' => 1, 'tags' => array()); + } + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + $res = $this->remove($id); + if (!$res) { + // in this case only, we accept a problem with the metadatas file drop + $res = $this->_remove($file); + } + $result = $result && $res; + break; + case Zend_Cache::CLEANING_MODE_OLD: + if (time() > $metadatas['expire']) { + $result = $this->remove($id) && $result; + } + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + $matching = true; + foreach ($tags as $tag) { + if (!in_array($tag, $metadatas['tags'])) { + $matching = false; + break; + } + } + if ($matching) { + $result = $this->remove($id) && $result; + } + break; + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if (!$matching) { + $result = $this->remove($id) && $result; + } + break; + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if ($matching) { + $result = $this->remove($id) && $result; + } + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } + if ((is_dir($file)) and ($this->_options['hashed_directory_level']>0)) { + // Recursive call + $result = $this->_clean($file . DIRECTORY_SEPARATOR, $mode, $tags) && $result; + if ($mode == Zend_Cache::CLEANING_MODE_ALL) { + // we try to drop the structure too + @rmdir($file); + } + } + } + return $result; + } + + protected function _get($dir, $mode, $tags = array()) + { + if (!is_dir($dir)) { + return false; + } + $result = array(); + $prefix = $this->_options['file_name_prefix']; + $glob = @glob($dir . $prefix . '--*'); + if ($glob === false) { + // On some systems it is impossible to distinguish between empty match and an error. + return array(); + } + foreach ($glob as $file) { + if (is_file($file)) { + $fileName = basename($file); + $id = $this->_fileNameToId($fileName); + $metadatas = $this->_getMetadatas($id); + if ($metadatas === FALSE) { + continue; + } + if (time() > $metadatas['expire']) { + continue; + } + switch ($mode) { + case 'ids': + $result[] = $id; + break; + case 'tags': + $result = array_unique(array_merge($result, $metadatas['tags'])); + break; + case 'matching': + $matching = true; + foreach ($tags as $tag) { + if (!in_array($tag, $metadatas['tags'])) { + $matching = false; + break; + } + } + if ($matching) { + $result[] = $id; + } + break; + case 'notMatching': + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if (!$matching) { + $result[] = $id; + } + break; + case 'matchingAny': + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if ($matching) { + $result[] = $id; + } + break; + default: + Zend_Cache::throwException('Invalid mode for _get() method'); + break; + } + } + if ((is_dir($file)) and ($this->_options['hashed_directory_level']>0)) { + // Recursive call + $recursiveRs = $this->_get($file . DIRECTORY_SEPARATOR, $mode, $tags); + if ($recursiveRs === false) { + $this->_log('Zend_Cache_Backend_File::_get() / recursive call : can\'t list entries of "'.$file.'"'); + } else { + $result = array_unique(array_merge($result, $recursiveRs)); + } + } + } + return array_unique($result); + } + + /** + * Compute & return the expire time + * + * @return int expire time (unix timestamp) + */ + protected function _expireTime($lifetime) + { + if ($lifetime === null) { + return 9999999999; + } + return time() + $lifetime; + } + + /** + * Make a control key with the string containing datas + * + * @param string $data Data + * @param string $controlType Type of control 'md5', 'crc32' or 'strlen' + * @throws Zend_Cache_Exception + * @return string Control key + */ + protected function _hash($data, $controlType) + { + switch ($controlType) { + case 'md5': + return md5($data); + case 'crc32': + return crc32($data); + case 'strlen': + return strlen($data); + case 'adler32': + return hash('adler32', $data); + default: + Zend_Cache::throwException("Incorrect hash function : $controlType"); + } + } + + /** + * Transform a cache id into a file name and return it + * + * @param string $id Cache id + * @return string File name + */ + protected function _idToFileName($id) + { + $prefix = $this->_options['file_name_prefix']; + $result = $prefix . '---' . $id; + return $result; + } + + /** + * Make and return a file name (with path) + * + * @param string $id Cache id + * @return string File name (with path) + */ + protected function _file($id) + { + $path = $this->_path($id); + $fileName = $this->_idToFileName($id); + return $path . $fileName; + } + + /** + * Return the complete directory path of a filename (including hashedDirectoryStructure) + * + * @param string $id Cache id + * @param boolean $parts if true, returns array of directory parts instead of single string + * @return string Complete directory path + */ + protected function _path($id, $parts = false) + { + $partsArray = array(); + $root = $this->_options['cache_dir']; + $prefix = $this->_options['file_name_prefix']; + if ($this->_options['hashed_directory_level']>0) { + $hash = hash('adler32', $id); + for ($i=0 ; $i < $this->_options['hashed_directory_level'] ; $i++) { + $root = $root . $prefix . '--' . substr($hash, 0, $i + 1) . DIRECTORY_SEPARATOR; + $partsArray[] = $root; + } + } + if ($parts) { + return $partsArray; + } else { + return $root; + } + } + + /** + * Make the directory strucuture for the given id + * + * @param string $id cache id + * @return boolean true + */ + protected function _recursiveMkdirAndChmod($id) + { + if ($this->_options['hashed_directory_level'] <=0) { + return true; + } + $partsArray = $this->_path($id, true); + foreach ($partsArray as $part) { + if (!is_dir($part)) { + @mkdir($part, $this->_options['hashed_directory_perm']); + @chmod($part, $this->_options['hashed_directory_perm']); // see #ZF-320 (this line is required in some configurations) + } + } + return true; + } + + /** + * Test if the given cache id is available (and still valid as a cache record) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @return boolean|mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + protected function _test($id, $doNotTestCacheValidity) + { + $metadatas = $this->_getMetadatas($id); + if (!$metadatas) { + return false; + } + if ($doNotTestCacheValidity || (time() <= $metadatas['expire'])) { + return $metadatas['mtime']; + } + return false; + } + + /** + * Return the file content of the given file + * + * @param string $file File complete path + * @return string File content (or false if problem) + */ + protected function _fileGetContents($file) + { + $result = false; + if (!is_file($file)) { + return false; + } + $f = @fopen($file, 'rb'); + if ($f) { + if ($this->_options['file_locking']) @flock($f, LOCK_SH); + $result = stream_get_contents($f); + if ($this->_options['file_locking']) @flock($f, LOCK_UN); + @fclose($f); + } + return $result; + } + + /** + * Put the given string into the given file + * + * @param string $file File complete path + * @param string $string String to put in file + * @return boolean true if no problem + */ + protected function _filePutContents($file, $string) + { + $result = false; + $f = @fopen($file, 'ab+'); + if ($f) { + if ($this->_options['file_locking']) @flock($f, LOCK_EX); + fseek($f, 0); + ftruncate($f, 0); + $tmp = @fwrite($f, $string); + if (!($tmp === FALSE)) { + $result = true; + } + @fclose($f); + } + @chmod($file, $this->_options['cache_file_perm']); + return $result; + } + + /** + * Transform a file name into cache id and return it + * + * @param string $fileName File name + * @return string Cache id + */ + protected function _fileNameToId($fileName) + { + $prefix = $this->_options['file_name_prefix']; + return preg_replace('~^' . $prefix . '---(.*)$~', '$1', $fileName); + } + +} diff --git a/inc/3rdparty/libraries/Zend/Cache/Backend/Interface.php b/inc/3rdparty/libraries/Zend/Cache/Backend/Interface.php new file mode 100644 index 00000000..3f44e2e1 --- /dev/null +++ b/inc/3rdparty/libraries/Zend/Cache/Backend/Interface.php @@ -0,0 +1,99 @@ + infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false); + + /** + * Remove a cache record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id); + + /** + * Clean some cache records + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()); + +} -- cgit v1.2.3