123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266 |
- <?php
- /**
- * Smarty Internal Plugin CacheResource File
- *
- * @package Smarty
- * @subpackage Cacher
- * @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 extends Smarty_CacheResource {
- /**
- * 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 populate(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template)
- {
- $_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 = $_template->source->uid;
- // if use_sub_dirs, break file into directories
- if ($_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 = $_template->smarty->use_sub_dirs ? DS : '^';
- if (isset($_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 = $_template->smarty->getCacheDir();
- if ($_template->smarty->cache_locking) {
- // create locking file name
- // relative file name?
- if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_cache_dir)) {
- $_lock_dir = rtrim(getcwd(), '/\\') . DS . $_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;
- }
- /**
- * populate Cached Object with timestamp and exists from Resource
- *
- * @param Smarty_Template_Cached $cached cached object
- * @return void
- */
- public function populateTimestamp(Smarty_Template_Cached $cached)
- {
- $cached->timestamp = @filemtime($cached->filepath);
- $cached->exists = !!$cached->timestamp;
- }
- /**
- * 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 process(Smarty_Internal_Template $_template, Smarty_Template_Cached $cached=null)
- {
- $_smarty_tpl = $_template;
- return @include $_template->cached->filepath;
- }
- /**
- * 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(Smarty_Internal_Template $_template, $content)
- {
- if (Smarty_Internal_Write_File::writeFile($_template->cached->filepath, $content, $_template->smarty) === true) {
- $_template->cached->timestamp = @filemtime($_template->cached->filepath);
- $_template->cached->exists = !!$_template->cached->timestamp;
- if ($_template->cached->exists) {
- return true;
- }
- }
- return false;
- }
- /**
- * 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(Smarty $smarty, $exp_time = null)
- {
- return $this->clear($smarty, null, null, null, $exp_time);
- }
- /**
- * Empty cache for a specific template
- *
- * @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(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 = $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 ($smarty->use_sub_dirs) {
- foreach ($_cache_id_parts as $id_part) {
- $_dir .= $id_part . DS;
- }
- }
- }
- if (isset($resource_name)) {
- $_save_stat = $smarty->caching;
- $smarty->caching = true;
- $tpl = new $smarty->template_class($resource_name, $smarty);
- $smarty->caching = $_save_stat;
- // remove from template cache
- $tpl->source; // have the template registered before unset()
- if ($smarty->allow_ambiguous_resources) {
- $_templateId = $tpl->source->unique_resource . $tpl->cache_id . $tpl->compile_id;
- } else {
- $_templateId = $smarty->joined_template_dir . '#' . $resource_name . $tpl->cache_id . $tpl->compile_id;
- }
- if (isset($_templateId[150])) {
- $_templateId = sha1($_templateId);
- }
- unset($smarty->template_objects[$_templateId]);
- if ($tpl->source->exists) {
- $_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath));
- } else {
- 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) == '.' || 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);
- // 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) {
- 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);
- }
- }
- ?>
|