404 lines
13 KiB
PHP
404 lines
13 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Created by PhpStorm.
|
||
|
|
* User: Uwe Tews
|
||
|
|
* Date: 04.12.2014
|
||
|
|
* Time: 06:08
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Smarty Resource Data Object
|
||
|
|
* Cache Data Container for Template Files
|
||
|
|
*
|
||
|
|
* @package Smarty
|
||
|
|
* @subpackage TemplateResources
|
||
|
|
* @author Rodney Rehm
|
||
|
|
*/
|
||
|
|
class Smarty_Template_Cached
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* Source Filepath
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public $filepath = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Source Content
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public $content = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Source Timestamp
|
||
|
|
*
|
||
|
|
* @var integer
|
||
|
|
*/
|
||
|
|
public $timestamp = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Source Existence
|
||
|
|
*
|
||
|
|
* @var boolean
|
||
|
|
*/
|
||
|
|
public $exists = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cache Is Valid
|
||
|
|
*
|
||
|
|
* @var boolean
|
||
|
|
*/
|
||
|
|
public $valid = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cache was processed
|
||
|
|
*
|
||
|
|
* @var boolean
|
||
|
|
*/
|
||
|
|
public $processed = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* CacheResource Handler
|
||
|
|
*
|
||
|
|
* @var Smarty_CacheResource
|
||
|
|
*/
|
||
|
|
public $handler = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Template Compile Id (Smarty_Internal_Template::$compile_id)
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public $compile_id = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Template Cache Id (Smarty_Internal_Template::$cache_id)
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public $cache_id = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Id for cache locking
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public $lock_id = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* flag that cache is locked by this instance
|
||
|
|
*
|
||
|
|
* @var bool
|
||
|
|
*/
|
||
|
|
public $is_locked = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Source Object
|
||
|
|
*
|
||
|
|
* @var Smarty_Template_Source
|
||
|
|
*/
|
||
|
|
public $source = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* create Cached Object container
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template template object
|
||
|
|
*/
|
||
|
|
public function __construct(Smarty_Internal_Template $_template)
|
||
|
|
{
|
||
|
|
$this->compile_id = $_template->compile_id;
|
||
|
|
$this->cache_id = $_template->cache_id;
|
||
|
|
if (!isset($_template->source)) {
|
||
|
|
$_template->loadSource();
|
||
|
|
}
|
||
|
|
$this->source = $_template->source;
|
||
|
|
if (!class_exists('Smarty_CacheResource', false)) {
|
||
|
|
require SMARTY_SYSPLUGINS_DIR . 'smarty_cacheresource.php';
|
||
|
|
}
|
||
|
|
$this->handler = Smarty_CacheResource::load($_template->smarty);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param Smarty_Internal_Template $_template
|
||
|
|
*
|
||
|
|
* @return Smarty_Template_Cached
|
||
|
|
*/
|
||
|
|
static function load(Smarty_Internal_Template $_template)
|
||
|
|
{
|
||
|
|
$_template->cached = $cached = new Smarty_Template_Cached($_template);
|
||
|
|
$cached->handler->populate($cached, $_template);
|
||
|
|
// caching enabled ?
|
||
|
|
if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || $_template->source->recompiled) {
|
||
|
|
$cached->valid = false;
|
||
|
|
}
|
||
|
|
return $cached;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if cache is valid, lock cache if required
|
||
|
|
*
|
||
|
|
* @param \Smarty_Internal_Template $_template
|
||
|
|
*
|
||
|
|
* @return bool flag true if cache is valid
|
||
|
|
*/
|
||
|
|
public function isCached(Smarty_Internal_Template $_template)
|
||
|
|
{
|
||
|
|
if ($this->valid !== null) {
|
||
|
|
return $this->valid;
|
||
|
|
}
|
||
|
|
while (true) {
|
||
|
|
while (true) {
|
||
|
|
if ($this->exists === false || $_template->smarty->force_compile || $_template->smarty->force_cache) {
|
||
|
|
$this->valid = false;
|
||
|
|
} else {
|
||
|
|
$this->valid = true;
|
||
|
|
}
|
||
|
|
if ($this->valid && $_template->caching == Smarty::CACHING_LIFETIME_CURRENT && $_template->cache_lifetime >= 0 && time() > ($this->timestamp + $_template->cache_lifetime)) {
|
||
|
|
// lifetime expired
|
||
|
|
$this->valid = false;
|
||
|
|
}
|
||
|
|
if ($this->valid && $_template->source->timestamp > $this->timestamp) {
|
||
|
|
$this->valid = false;
|
||
|
|
}
|
||
|
|
if ($this->valid || !$_template->smarty->cache_locking) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (!$this->handler->locked($_template->smarty, $this)) {
|
||
|
|
$this->handler->acquireLock($_template->smarty, $this);
|
||
|
|
break 2;
|
||
|
|
}
|
||
|
|
$this->handler->populate($this, $_template);
|
||
|
|
}
|
||
|
|
if ($this->valid) {
|
||
|
|
if (!$_template->smarty->cache_locking || $this->handler->locked($_template->smarty, $this) === null) {
|
||
|
|
// load cache file for the following checks
|
||
|
|
if ($_template->smarty->debugging) {
|
||
|
|
Smarty_Internal_Debug::start_cache($_template);
|
||
|
|
}
|
||
|
|
if ($this->handler->process($_template, $this) === false) {
|
||
|
|
$this->valid = false;
|
||
|
|
} else {
|
||
|
|
$this->processed = true;
|
||
|
|
}
|
||
|
|
if ($_template->smarty->debugging) {
|
||
|
|
Smarty_Internal_Debug::end_cache($_template);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$this->is_locked = true;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
return $this->valid;
|
||
|
|
}
|
||
|
|
if ($this->valid && $_template->caching === Smarty::CACHING_LIFETIME_SAVED && $_template->properties['cache_lifetime'] >= 0 && (time() > ($_template->cached->timestamp + $_template->properties['cache_lifetime']))) {
|
||
|
|
$this->valid = false;
|
||
|
|
}
|
||
|
|
if ($_template->smarty->cache_locking) {
|
||
|
|
if (!$this->valid) {
|
||
|
|
$this->handler->acquireLock($_template->smarty, $this);
|
||
|
|
} elseif ($this->is_locked) {
|
||
|
|
$this->handler->releaseLock($_template->smarty, $this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $this->valid;
|
||
|
|
}
|
||
|
|
return $this->valid;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Process cached template
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template template object
|
||
|
|
*/
|
||
|
|
public function process(Smarty_Internal_Template $_template)
|
||
|
|
{
|
||
|
|
if ($this->handler->process($_template, $this) === false) {
|
||
|
|
$this->valid = false;
|
||
|
|
}
|
||
|
|
if ($this->valid) {
|
||
|
|
$this->processed = true;
|
||
|
|
} else {
|
||
|
|
$this->processed = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Render cached template
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
* @throws Exception
|
||
|
|
*/
|
||
|
|
public function render(Smarty_Internal_Template $_template)
|
||
|
|
{
|
||
|
|
if (!$this->processed) {
|
||
|
|
$this->process($_template);
|
||
|
|
}
|
||
|
|
return $_template->getRenderedTemplateCode();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Write this cache object to handler
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template template object
|
||
|
|
* @param string $content content to cache
|
||
|
|
*
|
||
|
|
* @return boolean success
|
||
|
|
*/
|
||
|
|
public function write(Smarty_Internal_Template $_template, $content)
|
||
|
|
{
|
||
|
|
if (!$_template->source->recompiled) {
|
||
|
|
if ($this->handler->writeCachedContent($_template, $content)) {
|
||
|
|
$this->content = null;
|
||
|
|
$this->timestamp = time();
|
||
|
|
$this->exists = true;
|
||
|
|
$this->valid = true;
|
||
|
|
$this->processed = false;
|
||
|
|
if ($_template->smarty->cache_locking) {
|
||
|
|
$this->handler->releaseLock($_template->smarty, $this);
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
$this->content = null;
|
||
|
|
$this->timestamp = false;
|
||
|
|
$this->exists = false;
|
||
|
|
$this->valid = false;
|
||
|
|
$this->processed = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Read cache content from handler
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template template object
|
||
|
|
*
|
||
|
|
* @return string content
|
||
|
|
*/
|
||
|
|
public function read(Smarty_Internal_Template $_template)
|
||
|
|
{
|
||
|
|
if (!$_template->source->recompiled) {
|
||
|
|
return $this->handler->readCachedContent($_template);
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sanitize content and write it to cache resource
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template
|
||
|
|
* @param string $content
|
||
|
|
* @param bool $no_output_filter
|
||
|
|
*
|
||
|
|
* @throws SmartyException
|
||
|
|
*/
|
||
|
|
public function updateCache(Smarty_Internal_Template $_template, $content, $no_output_filter)
|
||
|
|
{
|
||
|
|
$_template->properties['has_nocache_code'] = false;
|
||
|
|
// get text between non-cached items
|
||
|
|
$cache_split = preg_split("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $content);
|
||
|
|
// get non-cached items
|
||
|
|
preg_match_all("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $content, $cache_parts);
|
||
|
|
$output = '';
|
||
|
|
// loop over items, stitch back together
|
||
|
|
foreach ($cache_split as $curr_idx => $curr_split) {
|
||
|
|
// escape PHP tags in template content
|
||
|
|
$output .= preg_replace('/(<%|%>|<\?php|<\?|\?>|<script\s+language\s*=\s*[\"\']?\s*php\s*[\"\']?\s*>)/', "<?php echo '\$1'; ?>\n", $curr_split);
|
||
|
|
if (isset($cache_parts[0][$curr_idx])) {
|
||
|
|
$_template->properties['has_nocache_code'] = true;
|
||
|
|
$output .= $cache_parts[1][$curr_idx];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!$no_output_filter && !$_template->has_nocache_code && (isset($_template->smarty->autoload_filters['output']) || isset($_template->smarty->registered_filters['output']))) {
|
||
|
|
$output = Smarty_Internal_Filter_Handler::runFilter('output', $output, $_template);
|
||
|
|
}
|
||
|
|
// write cache file content
|
||
|
|
$this->writeCachedContent($_template, $output);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Writes the content to cache resource
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template
|
||
|
|
* @param string $content
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function writeCachedContent(Smarty_Internal_Template $_template, $content)
|
||
|
|
{
|
||
|
|
if ($_template->source->recompiled || !($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED)) {
|
||
|
|
// don't write cache file
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$_template->properties['cache_lifetime'] = $_template->cache_lifetime;
|
||
|
|
$_template->properties['unifunc'] = 'content_' . str_replace(array('.', ','), '_', uniqid('', true));
|
||
|
|
$content = Smarty_Internal_Extension_CodeFrame::create($_template, $content, true);
|
||
|
|
if (!empty($_template->properties['tpl_function'])) {
|
||
|
|
foreach ($_template->properties['tpl_function'] as $funcParam) {
|
||
|
|
if (is_file($funcParam['compiled_filepath'])) {
|
||
|
|
// read compiled file
|
||
|
|
$code = file_get_contents($funcParam['compiled_filepath']);
|
||
|
|
// grab template function
|
||
|
|
if (preg_match("/\/\* {$funcParam['call_name']} \*\/([\S\s]*?)\/\*\/ {$funcParam['call_name']} \*\//", $code, $match)) {
|
||
|
|
unset($code);
|
||
|
|
$content .= "<?php " . $match[0] . "?>\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $this->write($_template, $content);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* check client side cache
|
||
|
|
*
|
||
|
|
* @param Smarty_Internal_Template $_template
|
||
|
|
* @param string $content
|
||
|
|
*/
|
||
|
|
public function cacheModifiedCheck(Smarty_Internal_Template $_template, $content)
|
||
|
|
{
|
||
|
|
$_isCached = $_template->isCached() && !$_template->has_nocache_code;
|
||
|
|
$_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
|
||
|
|
if ($_isCached && $this->timestamp <= strtotime($_last_modified_date)) {
|
||
|
|
switch (PHP_SAPI) {
|
||
|
|
case 'cgi': // php-cgi < 5.3
|
||
|
|
case 'cgi-fcgi': // php-cgi >= 5.3
|
||
|
|
case 'fpm-fcgi': // php-fpm >= 5.3.3
|
||
|
|
header('Status: 304 Not Modified');
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'cli':
|
||
|
|
if ( /* ^phpunit */
|
||
|
|
!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS']) /* phpunit$ */
|
||
|
|
) {
|
||
|
|
$_SERVER['SMARTY_PHPUNIT_HEADERS'][] = '304 Not Modified';
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
header($_SERVER['SERVER_PROTOCOL'] . ' 304 Not Modified');
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
switch (PHP_SAPI) {
|
||
|
|
case 'cli':
|
||
|
|
if ( /* ^phpunit */
|
||
|
|
!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS']) /* phpunit$ */
|
||
|
|
) {
|
||
|
|
$_SERVER['SMARTY_PHPUNIT_HEADERS'][] = 'Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->timestamp) . ' GMT';
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->timestamp) . ' GMT');
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
echo $content;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|