vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_private_special_variable.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Compile Special Smarty Variable
   4  * Compiles the special $smarty variables
   5  *
   6  * @package    Smarty
   7  * @subpackage Compiler
   8  * @author     Uwe Tews
   9  */
  10
  11 /**
  12  * Smarty Internal Plugin Compile special Smarty Variable Class
  13  *
  14  * @package    Smarty
  15  * @subpackage Compiler
  16  */
  17 class Smarty_Internal_Compile_Private_Special_Variable extends Smarty_Internal_CompileBase
  18 {
  19     /**
  20      * Compiles code for the special $smarty variables
  21      *
  22      * @param  array                                       $args     array with attributes from parser
  23      * @param \Smarty_Internal_TemplateCompilerBase        $compiler compiler object
  24      * @param                                              $parameter
  25      *
  26      * @return string compiled code
  27      * @throws \SmartyCompilerException
  28      */
  29     public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
  30     {
  31         $_index = preg_split("/\]\[/", substr($parameter, 1, strlen($parameter) - 2));
  32         $variable = strtolower($compiler->getId($_index[ 0 ]));
  33         if ($variable === false) {
  34             $compiler->trigger_template_error("special \$Smarty variable name index can not be variable", null, true);
  35         }
  36         if (!isset($compiler->smarty->security_policy) ||
  37             $compiler->smarty->security_policy->isTrustedSpecialSmartyVar($variable, $compiler)
  38         ) {
  39             switch ($variable) {
  40                 case 'foreach':
  41                 case 'section':
  42                     if (!isset(Smarty_Internal_TemplateCompilerBase::$_tag_objects[ $variable ])) {
  43                         $class = 'Smarty_Internal_Compile_' . ucfirst($variable);
  44                         Smarty_Internal_TemplateCompilerBase::$_tag_objects[ $variable ] = new $class;
  45                     }
  46                     return Smarty_Internal_TemplateCompilerBase::$_tag_objects[ $variable ]->compileSpecialVariable(array(), $compiler, $_index);
  47                 case 'capture':
  48                     if (class_exists('Smarty_Internal_Compile_Capture')) {
  49                         return Smarty_Internal_Compile_Capture::compileSpecialVariable(array(), $compiler, $_index);
  50                     }
  51                     return '';
  52                 case 'now':
  53                     return 'time()';
  54                 case 'cookies':
  55                     if (isset($compiler->smarty->security_policy) &&
  56                         !$compiler->smarty->security_policy->allow_super_globals
  57                     ) {
  58                         $compiler->trigger_template_error("(secure mode) super globals not permitted");
  59                         break;
  60                     }
  61                     $compiled_ref = '$_COOKIE';
  62                     break;
  63                 case 'get':
  64                 case 'post':
  65                 case 'env':
  66                 case 'server':
  67                 case 'session':
  68                 case 'request':
  69                     if (isset($compiler->smarty->security_policy) &&
  70                         !$compiler->smarty->security_policy->allow_super_globals
  71                     ) {
  72                         $compiler->trigger_template_error("(secure mode) super globals not permitted");
  73                         break;
  74                     }
  75                     $compiled_ref = '$_' . strtoupper($variable);
  76                     break;
  77
  78                 case 'template':
  79                     return 'basename($_smarty_tpl->source->filepath)';
  80
  81                 case 'template_object':
  82                     return '$_smarty_tpl';
  83
  84                 case 'current_dir':
  85                     return 'dirname($_smarty_tpl->source->filepath)';
  86
  87                 case 'version':
  88                     return "Smarty::SMARTY_VERSION";
  89
  90                 case 'const':
  91                     if (isset($compiler->smarty->security_policy) &&
  92                         !$compiler->smarty->security_policy->allow_constants
  93                     ) {
  94                         $compiler->trigger_template_error("(secure mode) constants not permitted");
  95                         break;
  96                     }
  97                     if (strpos($_index[ 1 ], '$') === false && strpos($_index[ 1 ], '\'') === false) {
  98                         return "@constant('{$_index[1]}')";
  99                     } else {
 100                         return "@constant({$_index[1]})";
 101                     }
 102
 103                 case 'config':
 104                     if (isset($_index[ 2 ])) {
 105                         return "(is_array(\$tmp = \$_smarty_tpl->smarty->ext->configload->_getConfigVariable(\$_smarty_tpl, $_index[1])) ? \$tmp[$_index[2]] : null)";
 106                     } else {
 107                         return "\$_smarty_tpl->smarty->ext->configload->_getConfigVariable(\$_smarty_tpl, $_index[1])";
 108                     }
 109                 case 'ldelim':
 110                     return "\$_smarty_tpl->smarty->left_delimiter";
 111                 case 'rdelim':
 112                     return "\$_smarty_tpl->smarty->right_delimiter";
 113                 default:
 114                     $compiler->trigger_template_error('$smarty.' . trim($_index[ 0 ], "'") . ' is not defined');
 115                     break;
 116             }
 117             if (isset($_index[ 1 ])) {
 118                 array_shift($_index);
 119                 foreach ($_index as $_ind) {
 120                     $compiled_ref = $compiled_ref . "[$_ind]";
 121                 }
 122             }
 123             return $compiled_ref;
 124         }
 125     }
 126 }