library/smarty/libs/sysplugins/smarty_internal_compile_private_special_variable.php
author Markus Bröker <broeker.markus@googlemail.com>
Fri, 13 Nov 2015 04:05:39 +0100
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<?php
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/**
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 * Smarty Internal Plugin Compile Special Smarty Variable
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 * Compiles the special $smarty variables
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 * @author     Uwe Tews
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 */
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/**
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 * Smarty Internal Plugin Compile special Smarty Variable Class
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Private_Special_Variable extends Smarty_Internal_CompileBase {
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    /**
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     * Compiles code for the special $smarty variables
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     *
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     * @param  array $args array with attributes from parser
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     * @param  object $compiler compiler object
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     * @param         $parameter
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     *
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     * @return string compiled code
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     */
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    public function compile($args, $compiler, $parameter) {
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        $_index = preg_split("/\]\[/", substr($parameter, 1, strlen($parameter) - 2));
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        $compiled_ref = ' ';
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        $variable = trim($_index[0], "'");
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        if (!isset($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedSpecialSmartyVar($variable, $compiler)) {
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            switch ($variable) {
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                case 'foreach':
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                    $name = trim($_index[1], "'");
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                    $foreachVar = "'__foreach_{$name}'";
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                    return "(isset(\$_smarty_tpl->tpl_vars[$foreachVar]->value[{$_index[2]}]) ? \$_smarty_tpl->tpl_vars[$foreachVar]->value[{$_index[2]}] : null)";
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                case 'section':
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                    return "\$_smarty_tpl->getVariable('smarty')->value$parameter";
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                case 'capture':
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                    return "Smarty::\$_smarty_vars$parameter";
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                case 'now':
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                    return 'time()';
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                case 'cookies':
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                    if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_super_globals) {
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                        $compiler->trigger_template_error("(secure mode) super globals not permitted");
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                        break;
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                    }
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                    $compiled_ref = '$_COOKIE';
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                    break;
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                case 'get':
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                case 'post':
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                case 'env':
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                case 'server':
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                case 'session':
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                case 'request':
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                    if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_super_globals) {
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                        $compiler->trigger_template_error("(secure mode) super globals not permitted");
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                        break;
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                    }
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                    $compiled_ref = '$_' . strtoupper($variable);
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                    break;
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                case 'template':
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                    return 'basename($_smarty_tpl->source->filepath)';
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                case 'template_object':
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                    return '$_smarty_tpl';
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                case 'current_dir':
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                    return 'dirname($_smarty_tpl->source->filepath)';
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                case 'version':
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                    $_version = Smarty::SMARTY_VERSION;
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                    return "'$_version'";
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                case 'const':
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                    if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_constants) {
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                        $compiler->trigger_template_error("(secure mode) constants not permitted");
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                        break;
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                    }
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                    if (strpos($_index[1], '$') === false && strpos($_index[1], '\'') === false) {
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                        return "@constant('{$_index[1]}')";
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                    } else {
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                        return "@constant({$_index[1]})";
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                    }
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                case 'config':
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                    if (isset($_index[2])) {
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                        return "(is_array(\$tmp = \$_smarty_tpl->getConfigVariable($_index[1])) ? \$tmp[$_index[2]] : null)";
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                    } else {
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                        return "\$_smarty_tpl->getConfigVariable($_index[1])";
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                    }
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                case 'ldelim':
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                    $_ldelim = $compiler->smarty->left_delimiter;
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                    return "'$_ldelim'";
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                case 'rdelim':
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                    $_rdelim = $compiler->smarty->right_delimiter;
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                    return "'$_rdelim'";
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                default:
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                    $compiler->trigger_template_error('$smarty.' . trim($_index[0], "'") . ' is invalid');
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                    break;
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            }
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            if (isset($_index[1])) {
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                array_shift($_index);
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                foreach ($_index as $_ind) {
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                    $compiled_ref = $compiled_ref . "[$_ind]";
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                }
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            }
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        }
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        return $compiled_ref;
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    }
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}