0,0 → 1,239 |
<?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) |
{ |
$source = &$_template->source; |
$smarty = &$_template->smarty; |
$_compile_dir_sep = $smarty->use_sub_dirs ? DIRECTORY_SEPARATOR : '^'; |
$_filepath = sha1($source->uid . $smarty->_joined_template_dir); |
$cached->filepath = $smarty->getCacheDir(); |
if (isset($_template->cache_id)) { |
$cached->filepath .= preg_replace( |
array( |
'![^\w|]+!', |
'![|]+!' |
), |
array( |
'_', |
$_compile_dir_sep |
), |
$_template->cache_id |
) . $_compile_dir_sep; |
} |
if (isset($_template->compile_id)) { |
$cached->filepath .= preg_replace('![^\w]+!', '_', $_template->compile_id) . $_compile_dir_sep; |
} |
// if use_sub_dirs, break file into directories |
if ($smarty->use_sub_dirs) { |
$cached->filepath .= $_filepath[ 0 ] . $_filepath[ 1 ] . DIRECTORY_SEPARATOR . $_filepath[ 2 ] . |
$_filepath[ 3 ] . |
DIRECTORY_SEPARATOR . |
$_filepath[ 4 ] . $_filepath[ 5 ] . DIRECTORY_SEPARATOR; |
} |
$cached->filepath .= $_filepath; |
$basename = $source->handler->getBasename($source); |
if (!empty($basename)) { |
$cached->filepath .= '.' . $basename; |
} |
if ($smarty->cache_locking) { |
$cached->lock_id = $cached->filepath . '.lock'; |
} |
$cached->filepath .= '.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 $_smarty_tpl do not change variable name, is used by compiled template |
* @param Smarty_Template_Cached $cached cached object |
* @param bool $update flag if called because cache update |
* |
* @return boolean true or false if the cached content does not exist |
*/ |
public function process( |
Smarty_Internal_Template $_smarty_tpl, |
Smarty_Template_Cached $cached = null, |
$update = false |
) { |
$_smarty_tpl->cached->valid = false; |
if ($update && defined('HHVM_VERSION')) { |
eval('?>' . file_get_contents($_smarty_tpl->cached->filepath)); |
return true; |
} else { |
return @include $_smarty_tpl->cached->filepath; |
} |
} |
|
/** |
* Write the rendered template output to cache |
* |
* @param Smarty_Internal_Template $_template template object |
* @param string $content content to cache |
* |
* @return bool success |
* @throws \SmartyException |
*/ |
public function writeCachedContent(Smarty_Internal_Template $_template, $content) |
{ |
if ($_template->smarty->ext->_writeFile->writeFile( |
$_template->cached->filepath, |
$content, |
$_template->smarty |
) === true |
) { |
if (function_exists('opcache_invalidate') |
&& (!function_exists('ini_get') || strlen(ini_get('opcache.restrict_api'))) < 1 |
) { |
opcache_invalidate($_template->cached->filepath, true); |
} elseif (function_exists('apc_compile_file')) { |
apc_compile_file($_template->cached->filepath); |
} |
$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 $smarty->ext->_cacheResourceFile->clear($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) |
{ |
return $smarty->ext->_cacheResourceFile->clear($smarty, $resource_name, $cache_id, $compile_id, $exp_time); |
} |
|
/** |
* 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); |
} |
} |