mirror of https://github.com/friendica/friendica
125 lines
5.0 KiB
PHP
125 lines
5.0 KiB
PHP
<?php
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/**
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* Smarty plugin
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*
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* @package Smarty
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* @subpackage PluginsModifierCompiler
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*/
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/**
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* @ignore
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*/
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require_once( SMARTY_PLUGINS_DIR .'shared.literal_compiler_param.php' );
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/**
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* Smarty escape modifier plugin
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*
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* Type: modifier<br>
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* Name: escape<br>
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* Purpose: escape string for output
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*
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* @link http://www.smarty.net/docsv2/en/language.modifier.escape count_characters (Smarty online manual)
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* @author Rodney Rehm
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* @param array $params parameters
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* @return string with compiled code
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*/
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function smarty_modifiercompiler_escape($params, $compiler)
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{
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static $_double_encode = null;
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if ($_double_encode === null) {
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$_double_encode = version_compare(PHP_VERSION, '5.2.3', '>=');
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}
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try {
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$esc_type = smarty_literal_compiler_param($params, 1, 'html');
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$char_set = smarty_literal_compiler_param($params, 2, Smarty::$_CHARSET);
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$double_encode = smarty_literal_compiler_param($params, 3, true);
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if (!$char_set) {
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$char_set = Smarty::$_CHARSET;
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}
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switch ($esc_type) {
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case 'html':
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if ($_double_encode) {
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return 'htmlspecialchars('
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. $params[0] .', ENT_QUOTES, '
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. var_export($char_set, true) . ', '
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. var_export($double_encode, true) . ')';
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} else if ($double_encode) {
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return 'htmlspecialchars('
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. $params[0] .', ENT_QUOTES, '
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. var_export($char_set, true) . ')';
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} else {
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// fall back to modifier.escape.php
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}
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case 'htmlall':
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if (Smarty::$_MBSTRING) {
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if ($_double_encode) {
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// php >=5.3.2 - go native
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return 'mb_convert_encoding(htmlspecialchars('
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. $params[0] .', ENT_QUOTES, '
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. var_export($char_set, true) . ', '
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. var_export($double_encode, true)
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. '), "HTML-ENTITIES", '
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. var_export($char_set, true) . ')';
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} else if ($double_encode) {
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// php <5.3.2 - only handle double encoding
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return 'mb_convert_encoding(htmlspecialchars('
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. $params[0] .', ENT_QUOTES, '
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. var_export($char_set, true)
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. '), "HTML-ENTITIES", '
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. var_export($char_set, true) . ')';
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} else {
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// fall back to modifier.escape.php
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}
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}
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// no MBString fallback
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if ($_double_encode) {
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// php >=5.3.2 - go native
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return 'htmlentities('
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. $params[0] .', ENT_QUOTES, '
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. var_export($char_set, true) . ', '
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. var_export($double_encode, true) . ')';
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} else if ($double_encode) {
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// php <5.3.2 - only handle double encoding
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return 'htmlentities('
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. $params[0] .', ENT_QUOTES, '
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. var_export($char_set, true) . ')';
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} else {
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// fall back to modifier.escape.php
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}
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case 'url':
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return 'rawurlencode(' . $params[0] . ')';
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case 'urlpathinfo':
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return 'str_replace("%2F", "/", rawurlencode(' . $params[0] . '))';
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case 'quotes':
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// escape unescaped single quotes
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return 'preg_replace("%(?<!\\\\\\\\)\'%", "\\\'",' . $params[0] . ')';
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case 'javascript':
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// escape quotes and backslashes, newlines, etc.
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return 'strtr(' . $params[0] . ', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r", "\\n" => "\\\n", "</" => "<\/" ))';
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}
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} catch(SmartyException $e) {
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// pass through to regular plugin fallback
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}
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// could not optimize |escape call, so fallback to regular plugin
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if ($compiler->tag_nocache | $compiler->nocache) {
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$compiler->template->required_plugins['nocache']['escape']['modifier']['file'] = SMARTY_PLUGINS_DIR .'modifier.escape.php';
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$compiler->template->required_plugins['nocache']['escape']['modifier']['function'] = 'smarty_modifier_escape';
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} else {
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$compiler->template->required_plugins['compiled']['escape']['modifier']['file'] = SMARTY_PLUGINS_DIR .'modifier.escape.php';
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$compiler->template->required_plugins['compiled']['escape']['modifier']['function'] = 'smarty_modifier_escape';
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}
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return 'smarty_modifier_escape(' . join( ', ', $params ) . ')';
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}
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?>
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