diff options
Diffstat (limited to 'libs/sysplugins/smarty_internal_cacheresource_file.php')
| -rw-r--r-- | libs/sysplugins/smarty_internal_cacheresource_file.php | 280 |
1 files changed, 164 insertions, 116 deletions
diff --git a/libs/sysplugins/smarty_internal_cacheresource_file.php b/libs/sysplugins/smarty_internal_cacheresource_file.php index 512f6fbf..35b1be3a 100644 --- a/libs/sysplugins/smarty_internal_cacheresource_file.php +++ b/libs/sysplugins/smarty_internal_cacheresource_file.php @@ -1,207 +1,255 @@ <?php - /** * Smarty Internal Plugin CacheResource File - * - * Implements the file system as resource for the HTML cache - * Version ussing nocache inserts - * + * * @package Smarty * @subpackage Cacher - * @author Uwe Tews + * @author Uwe Tews + * @author Rodney Rehm */ /** * This class does contain all necessary methods for the HTML cache on file system + * + * Implements the file system as resource for the HTML cache Version ussing nocache inserts. + * + * @package Smarty + * @subpackage Cacher */ -class Smarty_Internal_CacheResource_File { - function __construct($smarty) - { - $this->smarty = $smarty; - } +class Smarty_Internal_CacheResource_File extends Smarty_CacheResource { + /** - * Returns the filepath of the cached template output - * - * @param object $_template current template - * @return string the cache filepath + * populate Cached Object with meta data from Resource + * + * @param Smarty_Template_Cached $cached cached object + * @param Smarty_Internal_Template $_template template object + * @return void */ - public function getCachedFilepath($_template) + public function populate(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template) { - $_source_file_path = str_replace(':', '.', $_template->getTemplateFilepath()); + $_source_file_path = str_replace(':', '.', $_template->source->filepath); $_cache_id = isset($_template->cache_id) ? preg_replace('![^\w\|]+!', '_', $_template->cache_id) : null; $_compile_id = isset($_template->compile_id) ? preg_replace('![^\w\|]+!', '_', $_template->compile_id) : null; - $_filepath = $_template->templateUid; + $_filepath = $_template->source->uid; // if use_sub_dirs, break file into directories - if ($this->smarty->use_sub_dirs) { + if ($_template->smarty->use_sub_dirs) { $_filepath = substr($_filepath, 0, 2) . DS - . substr($_filepath, 2, 2) . DS - . substr($_filepath, 4, 2) . DS - . $_filepath; - } - $_compile_dir_sep = $this->smarty->use_sub_dirs ? DS : '^'; + . substr($_filepath, 2, 2) . DS + . substr($_filepath, 4, 2) . DS + . $_filepath; + } + $_compile_dir_sep = $_template->smarty->use_sub_dirs ? DS : '^'; if (isset($_cache_id)) { $_cache_id = str_replace('|', $_compile_dir_sep, $_cache_id) . $_compile_dir_sep; } else { $_cache_id = ''; - } + } if (isset($_compile_id)) { $_compile_id = $_compile_id . $_compile_dir_sep; } else { $_compile_id = ''; - } - $_cache_dir = $this->smarty->cache_dir; - if (strpos('/\\', substr($_cache_dir, -1)) === false) { - $_cache_dir .= DS; - } - return $_cache_dir . $_cache_id . $_compile_id . $_filepath . '.' . basename($_source_file_path) . '.php'; - } + } + $_cache_dir = $_template->smarty->getCacheDir(); + if ($_template->smarty->cache_locking) { + // create locking file name + // relative file name? + if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_cache_dir)) { + $_lock_dir = getcwd().$_cache_dir; + } else { + $_lock_dir = $_cache_dir; + } + $cached->lock_id = $_lock_dir.sha1($_cache_id.$_compile_id.$_template->source->uid).'.lock'; + } + $cached->filepath = $_cache_dir . $_cache_id . $_compile_id . $_filepath . '.' . basename($_source_file_path) . '.php'; + $cached->timestamp = @filemtime($cached->filepath); + $cached->exists = !!$cached->timestamp; + } /** - * Returns the timpestamp of the cached template output - * - * @param object $_template current template - * @return integer |booelan the template timestamp or false if the file does not exist + * populate Cached Object with timestamp and exists from Resource + * + * @param Smarty_Template_Cached $cached cached object + * @return void */ - public function getCachedTimestamp($_template) - { - // return @filemtime ($_template->getCachedFilepath()); - return ($_template->getCachedFilepath() && file_exists($_template->getCachedFilepath())) ? filemtime($_template->getCachedFilepath()) : false ; - } + public function populateTimestamp(Smarty_Template_Cached $cached) + { + $cached->timestamp = @filemtime($cached->filepath); + $cached->exists = !!$cached->timestamp; + } /** - * Returns the cached template output - * - * @param object $_template current template - * @return string |booelan the template content or false if the file does not exist + * Read the cached template and process its header + * + * @param Smarty_Internal_Template $_template template object + * @param Smarty_Template_Cached $cached cached object + * @return booelan true or false if the cached content does not exist */ - public function getCachedContents($_template, $no_render = false) + public function process(Smarty_Internal_Template $_template, Smarty_Template_Cached $cached=null) { - if (!$no_render) { - ob_start(); - } $_smarty_tpl = $_template; - include $_template->getCachedFilepath(); - if ($no_render) { - return null; - } else { - return ob_get_clean(); - } - } + return @include $_template->cached->filepath; + } /** - * Writes the rendered template output to cache file - * - * @param object $_template current template - * @return boolean status + * Write the rendered template output to cache + * + * @param Smarty_Internal_Template $_template template object + * @param string $content content to cache + * @return boolean success */ - public function writeCachedContent($_template, $content) + public function writeCachedContent(Smarty_Internal_Template $_template, $content) { - if (!$_template->resource_object->isEvaluated) { - if (Smarty_Internal_Write_File::writeFile($_template->getCachedFilepath(), $content, $this->smarty) === true) { - $_template->cached_timestamp = filemtime($_template->getCachedFilepath()); - return true; - } - } + if (Smarty_Internal_Write_File::writeFile($_template->cached->filepath, $content, $_template->smarty) === true) { + $_template->cached->timestamp = filemtime($_template->cached->filepath); + $_template->cached->exists = !!$_template->cached->timestamp; + return true; + } return false; - } + } /** - * Empty cache folder - * - * @param integer $exp_time expiration time + * Empty cache + * + * @param Smarty_Internal_Template $_template template object + * @param integer $exp_time expiration time (number of seconds, not timestamp) * @return integer number of cache files deleted */ - public function clearAll($exp_time = null) + public function clearAll(Smarty $smarty, $exp_time = null) { - return $this->clear(null, null, null, $exp_time); - } + return $this->clear($smarty, null, null, null, $exp_time); + } + /** * Empty cache for a specific template - * - * @param string $resource_name template name - * @param string $cache_id cache id - * @param string $compile_id compile id - * @param integer $exp_time expiration time + * + * @param Smarty $_template template object + * @param string $resource_name template name + * @param string $cache_id cache id + * @param string $compile_id compile id + * @param integer $exp_time expiration time (number of seconds, not timestamp) * @return integer number of cache files deleted - */ - public function clear($resource_name, $cache_id, $compile_id, $exp_time) + */ + public function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time) { $_cache_id = isset($cache_id) ? preg_replace('![^\w\|]+!', '_', $cache_id) : null; $_compile_id = isset($compile_id) ? preg_replace('![^\w\|]+!', '_', $compile_id) : null; - $_dir_sep = $this->smarty->use_sub_dirs ? '/' : '^'; - $_compile_id_offset = $this->smarty->use_sub_dirs ? 3 : 0; - $_dir = rtrim($this->smarty->cache_dir, '/\\') . DS; + $_dir_sep = $smarty->use_sub_dirs ? '/' : '^'; + $_compile_id_offset = $smarty->use_sub_dirs ? 3 : 0; + $_dir = $smarty->getCacheDir(); $_dir_length = strlen($_dir); if (isset($_cache_id)) { $_cache_id_parts = explode('|', $_cache_id); $_cache_id_parts_count = count($_cache_id_parts); - if ($this->smarty->use_sub_dirs) { + if ($smarty->use_sub_dirs) { foreach ($_cache_id_parts as $id_part) { $_dir .= $id_part . DS; - } - } - } + } + } + } if (isset($resource_name)) { - $_save_stat = $this->smarty->caching; - $this->smarty->caching = true; - $tpl = new $this->smarty->template_class($resource_name, $this->smarty); - $this->smarty->caching = $_save_stat; - if ($tpl->isExisting()) { - $_resourcename_parts = basename(str_replace('^', '/', $tpl->getCachedFilepath())); - // remove from template cache - unset($this->smarty->template_objects[sha1($tpl->template_resource . $tpl->cache_id . $tpl->compile_id)]); + $_save_stat = $smarty->caching; + $smarty->caching = true; + $tpl = new $smarty->template_class($resource_name, $smarty); + $smarty->caching = $_save_stat; + if ($tpl->source->exists) { + $_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath)); + // remove from template cache + unset($smarty->template_objects[sha1($tpl->template_resource . $tpl->cache_id . $tpl->compile_id)]); } else { - // remove from template cache - unset($this->smarty->template_objects[sha1($tpl->template_resource . $tpl->cache_id . $tpl->compile_id)]); + // remove from template cache + unset($smarty->template_objects[sha1($tpl->template_resource . $tpl->cache_id . $tpl->compile_id)]); return 0; - } - } + } + } $_count = 0; + $_time = time(); if (file_exists($_dir)) { $_cacheDirs = new RecursiveDirectoryIterator($_dir); $_cache = new RecursiveIteratorIterator($_cacheDirs, RecursiveIteratorIterator::CHILD_FIRST); foreach ($_cache as $_file) { - if (substr($_file->getBasename(),0,1) == '.') continue; + if (substr($_file->getBasename(),0,1) == '.' || strpos($_file, '.svn') !== false) continue; // directory ? if ($_file->isDir()) { if (!$_cache->isDot()) { // delete folder if empty @rmdir($_file->getPathname()); - } + } } else { $_parts = explode($_dir_sep, str_replace('\\', '/', substr((string)$_file, $_dir_length))); - $_parts_count = count($_parts); + $_parts_count = count($_parts); // check name if (isset($resource_name)) { if ($_parts[$_parts_count-1] != $_resourcename_parts) { continue; - } - } + } + } // check compile id if (isset($_compile_id) && (!isset($_parts[$_parts_count-2 - $_compile_id_offset]) || $_parts[$_parts_count-2 - $_compile_id_offset] != $_compile_id)) { continue; - } + } // check cache id if (isset($_cache_id)) { // count of cache id parts $_parts_count = (isset($_compile_id)) ? $_parts_count - 2 - $_compile_id_offset : $_parts_count - 1 - $_compile_id_offset; if ($_parts_count < $_cache_id_parts_count) { continue; - } + } for ($i = 0; $i < $_cache_id_parts_count; $i++) { if ($_parts[$i] != $_cache_id_parts[$i]) continue 2; - } - } + } + } // expired ? - if (isset($exp_time) && time() - @filemtime($_file) < $exp_time) { + if (isset($exp_time) && $_time - @filemtime($_file) < $exp_time) { continue; - } + } $_count += @unlink((string) $_file) ? 1 : 0; - } - } - } + } + } + } return $_count; - } -} + } + + /** + * Check is cache is locked for this template + * + * @param Smarty $smarty Smarty object + * @param Smarty_Template_Cached $cached cached object + * @return booelan true or false if cache is locked + */ + public function hasLock(Smarty $smarty, Smarty_Template_Cached $cached) + { + if (version_compare(PHP_VERSION, '5.3.0', '>=')) { + clearstatcache(true, $cached->lock_id); + } else { + clearstatcache(); + } + $t = @filemtime($cached->lock_id); + return $t && (time() - $t < $smarty->locking_timeout); + } + + /** + * Lock cache for this template + * + * @param Smarty $smarty Smarty object + * @param Smarty_Template_Cached $cached cached object + */ + public function acquireLock(Smarty $smarty, Smarty_Template_Cached $cached) + { + $cached->is_locked = true; + touch($cached->lock_id); + } + + /** + * Unlock cache for this template + * + * @param Smarty $smarty Smarty object + * @param Smarty_Template_Cached $cached cached object + */ + public function releaseLock(Smarty $smarty, Smarty_Template_Cached $cached) + { + $cached->is_locked = false; + @unlink($cached->lock_id); + } +} ?>
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