Files
smarty/plugins/modifiercompiler.escape.php
2022-12-20 23:47:18 +01:00

61 lines
2.5 KiB
PHP

<?php
/**
* Smarty plugin
*
* @package Smarty
* @subpackage PluginsModifierCompiler
*/
/**
* Smarty escape modifier plugin
* Type: modifier
* Name: escape
* Purpose: escape string for output
*
* @link https://www.smarty.net/docsv2/en/language.modifier.escape count_characters (Smarty online manual)
* @author Rodney Rehm
*
* @param array $params parameters
* @param \Smarty\Compiler\Template $compiler
*
* @return string with compiled code
* @throws SmartyException
*/
function smarty_modifiercompiler_escape($params, \Smarty\Compiler\Template $compiler)
{
try {
$esc_type = smarty_literal_compiler_param($params, 1, 'html');
$char_set = smarty_literal_compiler_param($params, 2, \Smarty\Smarty::$_CHARSET);
$double_encode = smarty_literal_compiler_param($params, 3, true);
if (!$char_set) {
$char_set = \Smarty\Smarty::$_CHARSET;
}
switch ($esc_type) {
case 'html':
return 'htmlspecialchars((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
var_export($double_encode, true) . ')';
// no break
case 'htmlall':
return 'htmlentities(mb_convert_encoding((string)' . $params[ 0 ] . ', \'UTF-8\', ' .
var_export($char_set, true) . '), ENT_QUOTES, \'UTF-8\', ' .
var_export($double_encode, true) . ')';
// no break
case 'url':
return 'rawurlencode((string)' . $params[ 0 ] . ')';
case 'urlpathinfo':
return 'str_replace("%2F", "/", rawurlencode((string)' . $params[ 0 ] . '))';
case 'quotes':
// escape unescaped single quotes
return 'preg_replace("%(?<!\\\\\\\\)\'%", "\\\'", (string)' . $params[ 0 ] . ')';
case 'javascript':
// escape quotes and backslashes, newlines, etc.
// see https://html.spec.whatwg.org/multipage/scripting.html#restrictions-for-contents-of-script-elements
return 'strtr((string)' .
$params[ 0 ] .
', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r", "\\n" => "\\\n", "</" => "<\/", "<!--" => "<\!--", "<s" => "<\s", "<S" => "<\S" ))';
}
} catch (SmartyException $e) {
// pass through to regular plugin fallback
}
return 'smarty_modifier_escape(' . join(', ', $params) . ')';
}