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|
<?php
/**
* Smarty Internal Plugin Compile Special Smarty Variable
* Compiles the special $smarty variables
*
* @author Uwe Tews
*/
namespace Smarty\Compile;
use Smarty\Compile\Base;
use Smarty\Compile\Tag\Capture;
use Smarty\Compile\Tag\ForeachTag;
use Smarty\Compile\Tag\Section;
use Smarty\Compiler\Template;
use Smarty\CompilerException;
/**
* Smarty Internal Plugin Compile special Smarty Variable Class
*
*/
class SpecialVariableCompiler extends Base {
/**
* Compiles code for the special $smarty variables
*
* @param array $args array with attributes from parser
* @param Template $compiler compiler object
* @param array $parameter
* @param null $tag
* @param null $function
*
* @return string compiled code
* @throws CompilerException
*/
public function compile($args, \Smarty\Compiler\Template $compiler, $parameter = [], $tag = null, $function = null): string
{
$_index = preg_split("/\]\[/", substr($parameter, 1, strlen($parameter) - 2));
$variable = smarty_strtolower_ascii($compiler->getId($_index[0]));
if ($variable === false) {
$compiler->trigger_template_error("special \$Smarty variable name index can not be variable", null, true);
}
if (!isset($compiler->getSmarty()->security_policy)
|| $compiler->getSmarty()->security_policy->isTrustedSpecialSmartyVar($variable, $compiler)
) {
switch ($variable) {
case 'foreach':
return (new ForeachTag())->compileSpecialVariable($compiler, $_index);
case 'section':
return (new Section())->compileSpecialVariable($compiler, $_index);
case 'capture':
return (new Capture())->compileSpecialVariable($compiler, $_index);
case 'now':
return 'time()';
case 'cookies':
if (isset($compiler->getSmarty()->security_policy)
&& !$compiler->getSmarty()->security_policy->allow_super_globals
) {
$compiler->trigger_template_error("(secure mode) super globals not permitted");
break;
}
$compiled_ref = '$_COOKIE';
break;
case 'get':
case 'post':
case 'env':
case 'server':
case 'session':
case 'request':
if (isset($compiler->getSmarty()->security_policy)
&& !$compiler->getSmarty()->security_policy->allow_super_globals
) {
$compiler->trigger_template_error("(secure mode) super globals not permitted");
break;
}
$compiled_ref = '$_' . smarty_strtoupper_ascii($variable);
break;
case 'template':
return '$_smarty_tpl->template_resource';
case 'template_object':
if (isset($compiler->getSmarty()->security_policy)) {
$compiler->trigger_template_error("(secure mode) template_object not permitted");
break;
}
return '$_smarty_tpl';
case 'current_dir':
return '$_smarty_current_dir';
case 'version':
return "\\Smarty\\Smarty::SMARTY_VERSION";
case 'const':
if (isset($compiler->getSmarty()->security_policy)
&& !$compiler->getSmarty()->security_policy->allow_constants
) {
$compiler->trigger_template_error("(secure mode) constants not permitted");
break;
}
if (strpos($_index[1], '$') === false && strpos($_index[1], '\'') === false) {
return "(defined('{$_index[1]}') ? constant('{$_index[1]}') : null)";
} else {
return "(defined({$_index[1]}) ? constant({$_index[1]}) : null)";
}
// no break
case 'config':
if (isset($_index[2])) {
return "(is_array(\$tmp = \$_smarty_tpl->getConfigVariable($_index[1])) ? \$tmp[$_index[2]] : null)";
} else {
return "\$_smarty_tpl->getConfigVariable($_index[1])";
}
// no break
case 'ldelim':
return "\$_smarty_tpl->getLeftDelimiter()";
case 'rdelim':
return "\$_smarty_tpl->getRightDelimiter()";
default:
$compiler->trigger_template_error('$smarty.' . trim($_index[0], "'") . ' is not defined');
break;
}
if (isset($_index[1])) {
array_shift($_index);
foreach ($_index as $_ind) {
$compiled_ref = $compiled_ref . "[$_ind]";
}
}
return $compiled_ref;
}
return '';
}
}
|
