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2809 rexy 1
<?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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    /**
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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 \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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     * @param                                       $parameter
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     *
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     * @return string compiled code
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     * @throws \SmartyCompilerException
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     */
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    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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    {
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        $_index = preg_split("/\]\[/", substr($parameter, 1, strlen($parameter) - 2));
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        $variable = strtolower($compiler->getId($_index[ 0 ]));
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        if ($variable === false) {
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            $compiler->trigger_template_error("special \$Smarty variable name index can not be variable", null, true);
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        }
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        if (!isset($compiler->smarty->security_policy)
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            || $compiler->smarty->security_policy->isTrustedSpecialSmartyVar($variable, $compiler)
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        ) {
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            switch ($variable) {
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                case 'foreach':
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                case 'section':
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                    if (!isset(Smarty_Internal_TemplateCompilerBase::$_tag_objects[ $variable ])) {
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                        $class = 'Smarty_Internal_Compile_' . ucfirst($variable);
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                        Smarty_Internal_TemplateCompilerBase::$_tag_objects[ $variable ] = new $class;
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                    }
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                    return Smarty_Internal_TemplateCompilerBase::$_tag_objects[ $variable ]->compileSpecialVariable(
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                        array(),
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                        $compiler,
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                        $_index
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                    );
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                case 'capture':
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                    if (class_exists('Smarty_Internal_Compile_Capture')) {
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                        return Smarty_Internal_Compile_Capture::compileSpecialVariable(array(), $compiler, $_index);
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                    }
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                    return '';
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                case 'now':
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                    return 'time()';
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                case 'cookies':
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                    if (isset($compiler->smarty->security_policy)
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                        && !$compiler->smarty->security_policy->allow_super_globals
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                    ) {
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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($compiler->smarty->security_policy)
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                        && !$compiler->smarty->security_policy->allow_super_globals
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                    ) {
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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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                    return "Smarty::SMARTY_VERSION";
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                case 'const':
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                    if (isset($compiler->smarty->security_policy)
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                        && !$compiler->smarty->security_policy->allow_constants
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                    ) {
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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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                // no break
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                case 'config':
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                    if (isset($_index[ 2 ])) {
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                        return "(is_array(\$tmp = \$_smarty_tpl->smarty->ext->configload->_getConfigVariable(\$_smarty_tpl, $_index[1])) ? \$tmp[$_index[2]] : null)";
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                    } else {
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                        return "\$_smarty_tpl->smarty->ext->configload->_getConfigVariable(\$_smarty_tpl, $_index[1])";
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                    }
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                // no break
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                case 'ldelim':
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                    return "\$_smarty_tpl->smarty->left_delimiter";
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                case 'rdelim':
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                    return "\$_smarty_tpl->smarty->right_delimiter";
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                default:
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                    $compiler->trigger_template_error('$smarty.' . trim($_index[ 0 ], "'") . ' is not defined');
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                    break;
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            }
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            if (isset($_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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            return $compiled_ref;
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        }
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    }
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}