1<?php 2/** 3 * Smarty Internal Plugin Compile Modifier 4 * Compiles code for modifier execution 5 * 6 * @package Smarty 7 * @subpackage Compiler 8 * @author Uwe Tews 9 */ 10 11/** 12 * Smarty Internal Plugin Compile Modifier Class 13 * 14 * @package Smarty 15 * @subpackage Compiler 16 */ 17class Smarty_Internal_Compile_Private_Modifier extends Smarty_Internal_CompileBase 18{ 19 /** 20 * Compiles code for modifier execution 21 * 22 * @param array $args array with attributes from parser 23 * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object 24 * @param array $parameter array with compilation parameter 25 * 26 * @return string compiled code 27 * @throws \SmartyCompilerException 28 * @throws \SmartyException 29 */ 30 public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) 31 { 32 // check and get attributes 33 $_attr = $this->getAttributes($compiler, $args); 34 $output = $parameter[ 'value' ]; 35 // loop over list of modifiers 36 foreach ($parameter[ 'modifierlist' ] as $single_modifier) { 37 /* @var string $modifier */ 38 $modifier = $single_modifier[ 0 ]; 39 $single_modifier[ 0 ] = $output; 40 $params = implode(',', $single_modifier); 41 // check if we know already the type of modifier 42 if (isset($compiler->known_modifier_type[ $modifier ])) { 43 $modifier_types = array($compiler->known_modifier_type[ $modifier ]); 44 } else { 45 $modifier_types = array(1, 2, 3, 4, 5, 6); 46 } 47 foreach ($modifier_types as $type) { 48 switch ($type) { 49 case 1: 50 // registered modifier 51 if (isset($compiler->smarty->registered_plugins[ Smarty::PLUGIN_MODIFIER ][ $modifier ])) { 52 if (is_callable($compiler->smarty->registered_plugins[ Smarty::PLUGIN_MODIFIER ][ $modifier ][ 0 ])) { 53 $output = 54 sprintf( 55 'call_user_func_array($_smarty_tpl->registered_plugins[ \'%s\' ][ %s ][ 0 ], array( %s ))', 56 Smarty::PLUGIN_MODIFIER, 57 var_export($modifier, true), 58 $params 59 ); 60 $compiler->known_modifier_type[ $modifier ] = $type; 61 break 2; 62 } 63 } 64 break; 65 case 2: 66 // registered modifier compiler 67 if (isset($compiler->smarty->registered_plugins[ Smarty::PLUGIN_MODIFIERCOMPILER ][ $modifier ][ 0 ])) { 68 $output = 69 call_user_func( 70 $compiler->smarty->registered_plugins[ Smarty::PLUGIN_MODIFIERCOMPILER ][ $modifier ][ 0 ], 71 $single_modifier, 72 $compiler->smarty 73 ); 74 $compiler->known_modifier_type[ $modifier ] = $type; 75 break 2; 76 } 77 break; 78 case 3: 79 // modifiercompiler plugin 80 if ($compiler->smarty->loadPlugin('smarty_modifiercompiler_' . $modifier)) { 81 // check if modifier allowed 82 if (!is_object($compiler->smarty->security_policy) 83 || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler) 84 ) { 85 $plugin = 'smarty_modifiercompiler_' . $modifier; 86 $output = $plugin($single_modifier, $compiler); 87 } 88 $compiler->known_modifier_type[ $modifier ] = $type; 89 break 2; 90 } 91 break; 92 case 4: 93 // modifier plugin 94 if ($function = $compiler->getPlugin($modifier, Smarty::PLUGIN_MODIFIER)) { 95 // check if modifier allowed 96 if (!is_object($compiler->smarty->security_policy) 97 || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler) 98 ) { 99 $output = "{$function}({$params})"; 100 } 101 $compiler->known_modifier_type[ $modifier ] = $type; 102 break 2; 103 } 104 break; 105 case 5: 106 // PHP function 107 if (is_callable($modifier)) { 108 // check if modifier allowed 109 if (!is_object($compiler->smarty->security_policy) 110 || $compiler->smarty->security_policy->isTrustedPhpModifier($modifier, $compiler) 111 ) { 112 $output = "{$modifier}({$params})"; 113 } 114 $compiler->known_modifier_type[ $modifier ] = $type; 115 break 2; 116 } 117 break; 118 case 6: 119 // default plugin handler 120 if (isset($compiler->default_handler_plugins[ Smarty::PLUGIN_MODIFIER ][ $modifier ]) 121 || (is_callable($compiler->smarty->default_plugin_handler_func) 122 && $compiler->getPluginFromDefaultHandler($modifier, Smarty::PLUGIN_MODIFIER)) 123 ) { 124 $function = $compiler->default_handler_plugins[ Smarty::PLUGIN_MODIFIER ][ $modifier ][ 0 ]; 125 // check if modifier allowed 126 if (!is_object($compiler->smarty->security_policy) 127 || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler) 128 ) { 129 if (!is_array($function)) { 130 $output = "{$function}({$params})"; 131 } else { 132 if (is_object($function[ 0 ])) { 133 $output = $function[ 0 ] . '->' . $function[ 1 ] . '(' . $params . ')'; 134 } else { 135 $output = $function[ 0 ] . '::' . $function[ 1 ] . '(' . $params . ')'; 136 } 137 } 138 } 139 if (isset($compiler->required_plugins[ 'nocache' ][ $modifier ][ Smarty::PLUGIN_MODIFIER ][ 'file' ]) 140 || 141 isset($compiler->required_plugins[ 'compiled' ][ $modifier ][ Smarty::PLUGIN_MODIFIER ][ 'file' ]) 142 ) { 143 // was a plugin 144 $compiler->known_modifier_type[ $modifier ] = 4; 145 } else { 146 $compiler->known_modifier_type[ $modifier ] = $type; 147 } 148 break 2; 149 } 150 } 151 } 152 if (!isset($compiler->known_modifier_type[ $modifier ])) { 153 $compiler->trigger_template_error("unknown modifier '{$modifier}'", null, true); 154 } 155 } 156 return $output; 157 } 158} 159