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<?php
/**
* Project: Smarty: the PHP compiling template engine
* File: smarty_internal_utility.php
* SVN: $Id: $
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* For questions, help, comments, discussion, etc., please join the
* Smarty mailing list. Send a blank e-mail to
* smarty-discussion-subscribe@googlegroups.com
*
* @link http://www.smarty.net/
* @copyright 2008 New Digital Group, Inc.
* @author Monte Ohrt <monte at ohrt dot com>
* @author Uwe Tews
* @package Smarty
* @subpackage PluginsInternal
* @version 3-SVN$Rev: 3286 $
*/
/**
* Utility class
*
* @package Smarty
* @subpackage Security
*/
class Smarty_Internal_Utility
{
/**
* private constructor to prevent calls creation of new instances
*/
final private function __construct()
{
// intentionally left blank
}
/**
* Compile all template files
*
* @param string $extension template file name extension
* @param bool $force_compile force all to recompile
* @param int $time_limit set maximum execution time
* @param int $max_errors set maximum allowed errors
* @param Smarty $smarty Smarty instance
*
* @return integer number of template files compiled
*/
public static function compileAllTemplates($extension, $force_compile, $time_limit, $max_errors, Smarty $smarty)
{
// switch off time limit
if (function_exists('set_time_limit')) {
@set_time_limit($time_limit);
}
$smarty->force_compile = $force_compile;
$_count = 0;
$_error_count = 0;
// loop over array of template directories
foreach ($smarty->getTemplateDir() as $_dir) {
$_compileDirs = new RecursiveDirectoryIterator($_dir);
$_compile = new RecursiveIteratorIterator($_compileDirs);
foreach ($_compile as $_fileinfo) {
$_file = $_fileinfo->getFilename();
if (substr(basename($_fileinfo->getPathname()), 0, 1) == '.' || strpos($_file, '.svn') !== false) {
continue;
}
if (!substr_compare($_file, $extension, - strlen($extension)) == 0) {
continue;
}
if ($_fileinfo->getPath() == substr($_dir, 0, - 1)) {
$_template_file = $_file;
} else {
$_template_file = substr($_fileinfo->getPath(), strlen($_dir)) . DS . $_file;
}
echo '<br>', $_dir, '---', $_template_file;
flush();
$_start_time = microtime(true);
try {
$_tpl = $smarty->createTemplate($_template_file, null, null, null, false);
if ($_tpl->mustCompile()) {
$_tpl->compileTemplateSource();
$_count ++;
echo ' compiled in ', microtime(true) - $_start_time, ' seconds';
flush();
} else {
echo ' is up to date';
flush();
}
}
catch (Exception $e) {
echo 'Error: ', $e->getMessage(), "<br><br>";
$_error_count ++;
}
// free memory
$smarty->template_objects = array();
$_tpl->smarty->template_objects = array();
$_tpl = null;
if ($max_errors !== null && $_error_count == $max_errors) {
echo '<br><br>too many errors';
exit();
}
}
}
return $_count;
}
/**
* Compile all config files
*
* @param string $extension config file name extension
* @param bool $force_compile force all to recompile
* @param int $time_limit set maximum execution time
* @param int $max_errors set maximum allowed errors
* @param Smarty $smarty Smarty instance
*
* @return integer number of config files compiled
*/
public static function compileAllConfig($extension, $force_compile, $time_limit, $max_errors, Smarty $smarty)
{
// switch off time limit
if (function_exists('set_time_limit')) {
@set_time_limit($time_limit);
}
$smarty->force_compile = $force_compile;
$_count = 0;
$_error_count = 0;
// loop over array of template directories
foreach ($smarty->getConfigDir() as $_dir) {
$_compileDirs = new RecursiveDirectoryIterator($_dir);
$_compile = new RecursiveIteratorIterator($_compileDirs);
foreach ($_compile as $_fileinfo) {
$_file = $_fileinfo->getFilename();
if (substr(basename($_fileinfo->getPathname()), 0, 1) == '.' || strpos($_file, '.svn') !== false) {
continue;
}
if (!substr_compare($_file, $extension, - strlen($extension)) == 0) {
continue;
}
if ($_fileinfo->getPath() == substr($_dir, 0, - 1)) {
$_config_file = $_file;
} else {
$_config_file = substr($_fileinfo->getPath(), strlen($_dir)) . DS . $_file;
}
echo '<br>', $_dir, '---', $_config_file;
flush();
$_start_time = microtime(true);
try {
$_config = new Smarty_Internal_Config($_config_file, $smarty);
if ($_config->mustCompile()) {
$_config->compileConfigSource();
$_count ++;
echo ' compiled in ', microtime(true) - $_start_time, ' seconds';
flush();
} else {
echo ' is up to date';
flush();
}
}
catch (Exception $e) {
echo 'Error: ', $e->getMessage(), "<br><br>";
$_error_count ++;
}
if ($max_errors !== null && $_error_count == $max_errors) {
echo '<br><br>too many errors';
exit();
}
}
}
return $_count;
}
/**
* Delete compiled template file
*
* @param string $resource_name template name
* @param string $compile_id compile id
* @param integer $exp_time expiration time
* @param Smarty $smarty Smarty instance
*
* @return integer number of template files deleted
*/
public static function clearCompiledTemplate($resource_name, $compile_id, $exp_time, Smarty $smarty)
{
$_compile_dir = realpath($smarty->getCompileDir()) . '/';
if ($_compile_dir == '/') { //We should never want to delete this!
return 0;
}
$_compile_id = isset($compile_id) ? preg_replace('![^\w\|]+!', '_', $compile_id) : null;
$_dir_sep = $smarty->use_sub_dirs ? '/' : '^';
if (isset($resource_name)) {
$_save_stat = $smarty->caching;
$smarty->caching = false;
$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) {
$_resource_part_1 = basename(str_replace('^', '/', $tpl->compiled->filepath));
$_resource_part_1_length = strlen($_resource_part_1);
} else {
return 0;
}
$_resource_part_2 = str_replace('.php', '.cache.php', $_resource_part_1);
$_resource_part_2_length = strlen($_resource_part_2);
}
$_dir = $_compile_dir;
if ($smarty->use_sub_dirs && isset($_compile_id)) {
$_dir .= $_compile_id . $_dir_sep;
}
if (isset($_compile_id)) {
$_compile_id_part = str_replace('\\', '/', $_compile_dir . $_compile_id . $_dir_sep);
$_compile_id_part_length = strlen($_compile_id_part);
}
$_count = 0;
try {
$_compileDirs = new RecursiveDirectoryIterator($_dir);
// NOTE: UnexpectedValueException thrown for PHP >= 5.3
}
catch (Exception $e) {
return 0;
}
$_compile = new RecursiveIteratorIterator($_compileDirs, RecursiveIteratorIterator::CHILD_FIRST);
foreach ($_compile as $_file) {
if (substr(basename($_file->getPathname()), 0, 1) == '.' || strpos($_file, '.svn') !== false) {
continue;
}
$_filepath = str_replace('\\', '/', (string) $_file);
if ($_file->isDir()) {
if (!$_compile->isDot()) {
// delete folder if empty
@rmdir($_file->getPathname());
}
} else {
$unlink = false;
if ((!isset($_compile_id) || (isset($_filepath[$_compile_id_part_length]) && $a = !strncmp($_filepath, $_compile_id_part, $_compile_id_part_length)))
&& (!isset($resource_name)
|| (isset($_filepath[$_resource_part_1_length])
&& substr_compare($_filepath, $_resource_part_1, - $_resource_part_1_length, $_resource_part_1_length) == 0)
|| (isset($_filepath[$_resource_part_2_length])
&& substr_compare($_filepath, $_resource_part_2, - $_resource_part_2_length, $_resource_part_2_length) == 0))
) {
if (isset($exp_time)) {
if (time() - @filemtime($_filepath) >= $exp_time) {
$unlink = true;
}
} else {
$unlink = true;
}
}
if ($unlink && @unlink($_filepath)) {
$_count ++;
}
}
}
// clear compiled cache
Smarty_Resource::$sources = array();
Smarty_Resource::$compileds = array();
return $_count;
}
/**
* Return array of tag/attributes of all tags used by an template
*
* @param Smarty_Internal_Template $template
*
* @throws Exception
* @throws SmartyException
* @return array of tag/attributes
*/
public static function getTags(Smarty_Internal_Template $template)
{
$template->smarty->get_used_tags = true;
$template->compileTemplateSource();
return $template->used_tags;
}
}
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