new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_cacheresource_file.php
@@ -0,0 +1,309 @@
+<?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 = $cached->exists = is_file($cached->filepath);
+ if ($cached->exists) {
+ $cached->timestamp = filemtime($cached->filepath);
+ }
+ }
+
+ /**
+ * 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 = $cached->exists = is_file($cached->filepath);
+ if ($cached->exists) {
+ $cached->timestamp = filemtime($cached->filepath);
+ }
+ }
+
+ /**
+ * Read the cached template and process its header
+ *
+ * @param Smarty_Internal_Template $_template template object
+ * @param Smarty_Template_Cached $cached cached object
+ *
+ * @return booleantrue or false if the cached content does not exist
+ */
+ public function process(Smarty_Internal_Template $_template, Smarty_Template_Cached $cached = null) {
+ /** @var Smarty_Internal_Template $_smarty_tpl
+ * used in included file
+ */
+ $_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) {
+ $obj = new Smarty_Internal_Write_File();
+ if ($obj->writeFile($_template->cached->filepath, $content, $_template->smarty) === true) {
+ $cached = $_template->cached;
+ $cached->timestamp = $cached->exists = is_file($cached->filepath);
+ if ($cached->exists) {
+ $cached->timestamp = filemtime($cached->filepath);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Read cached template from cache
+ *
+ * @param Smarty_Internal_Template $_template template object
+ *
+ * @return string content
+ */
+ public function readCachedContent(Smarty_Internal_Template $_template) {
+ if (is_file($_template->cached->filepath)) {
+ return file_get_contents($_template->cached->filepath);
+ }
+ return false;
+ }
+
+ /**
+ * Empty cache
+ *
+ * @param Smarty $smarty
+ * @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 $smarty
+ * @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;
+ $_dir = realpath($smarty->getCacheDir()) . '/';
+ if ($_dir == '/') { //We should never want to delete this!
+ return 0;
+ }
+ $_dir_length = strlen($_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 $_file) {
+ if (substr(basename($_file->getPathname()), 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($exp_time)) {
+ if ($exp_time < 0) {
+ preg_match('#\'cache_lifetime\' =>\s*(\d*)#', file_get_contents($_file), $match);
+ if ($_time < (@filemtime($_file) + $match[1])) {
+ continue;
+ }
+ } else {
+ if ($_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 boolean 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, $cached->lock_id);
+ } else {
+ clearstatcache();
+ }
+ if (is_file($cached->lock_id)) {
+ $t = @filemtime($cached->lock_id);
+ return $t && (time() - $t < $smarty->locking_timeout);
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Lock cache for this template
+ *
+ * @param Smarty $smarty Smarty object
+ * @param Smarty_Template_Cached $cached cached object
+ *
+ * @return bool|void
+ */
+ 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
+ *
+ * @return bool|void
+ */
+ public function releaseLock(Smarty $smarty, Smarty_Template_Cached $cached) {
+ $cached->is_locked = false;
+ @unlink($cached->lock_id);
+ }
+}