266 lines
No EOL
10 KiB
PHP
266 lines
No EOL
10 KiB
PHP
<?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);
|
|
}
|
|
}
|
|
|
|
?>
|