/usr/share/php/smarty3/plugins/modifier.escape.php is in smarty3 3.1.13-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | <?php
/**
* Smarty plugin
*
* @package Smarty
* @subpackage PluginsModifier
*/
/**
* Smarty escape modifier plugin
*
* Type: modifier<br>
* Name: escape<br>
* Purpose: escape string for output
*
* @link http://www.smarty.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com>
* @param string $string input string
* @param string $esc_type escape type
* @param string $char_set character set, used for htmlspecialchars() or htmlentities()
* @param boolean $double_encode encode already encoded entitites again, used for htmlspecialchars() or htmlentities()
* @return string escaped input string
*/
function smarty_modifier_escape($string, $esc_type = 'html', $char_set = null, $double_encode = true)
{
static $_double_encode = null;
if ($_double_encode === null) {
$_double_encode = version_compare(PHP_VERSION, '5.2.3', '>=');
}
if (!$char_set) {
$char_set = Smarty::$_CHARSET;
}
switch ($esc_type) {
case 'html':
if ($_double_encode) {
// php >=5.3.2 - go native
return htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
} else {
if ($double_encode) {
// php <5.2.3 - only handle double encoding
return htmlspecialchars($string, ENT_QUOTES, $char_set);
} else {
// php <5.2.3 - prevent double encoding
$string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
$string = htmlspecialchars($string, ENT_QUOTES, $char_set);
$string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
return $string;
}
}
case 'htmlall':
if (Smarty::$_MBSTRING) {
// mb_convert_encoding ignores htmlspecialchars()
if ($_double_encode) {
// php >=5.3.2 - go native
$string = htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
} else {
if ($double_encode) {
// php <5.2.3 - only handle double encoding
$string = htmlspecialchars($string, ENT_QUOTES, $char_set);
} else {
// php <5.2.3 - prevent double encoding
$string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
$string = htmlspecialchars($string, ENT_QUOTES, $char_set);
$string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
return $string;
}
}
// htmlentities() won't convert everything, so use mb_convert_encoding
return mb_convert_encoding($string, 'HTML-ENTITIES', $char_set);
}
// no MBString fallback
if ($_double_encode) {
return htmlentities($string, ENT_QUOTES, $char_set, $double_encode);
} else {
if ($double_encode) {
return htmlentities($string, ENT_QUOTES, $char_set);
} else {
$string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
$string = htmlentities($string, ENT_QUOTES, $char_set);
$string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
return $string;
}
}
case 'url':
return rawurlencode($string);
case 'urlpathinfo':
return str_replace('%2F', '/', rawurlencode($string));
case 'quotes':
// escape unescaped single quotes
return preg_replace("%(?<!\\\\)'%", "\\'", $string);
case 'hex':
// escape every byte into hex
// Note that the UTF-8 encoded character รค will be represented as %c3%a4
$return = '';
$_length = strlen($string);
for ($x = 0; $x < $_length; $x++) {
$return .= '%' . bin2hex($string[$x]);
}
return $return;
case 'hexentity':
$return = '';
if (Smarty::$_MBSTRING) {
require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
$return = '';
foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
$return .= '&#x' . strtoupper(dechex($unicode)) . ';';
}
return $return;
}
// no MBString fallback
$_length = strlen($string);
for ($x = 0; $x < $_length; $x++) {
$return .= '&#x' . bin2hex($string[$x]) . ';';
}
return $return;
case 'decentity':
$return = '';
if (Smarty::$_MBSTRING) {
require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
$return = '';
foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
$return .= '&#' . $unicode . ';';
}
return $return;
}
// no MBString fallback
$_length = strlen($string);
for ($x = 0; $x < $_length; $x++) {
$return .= '&#' . ord($string[$x]) . ';';
}
return $return;
case 'javascript':
// escape quotes and backslashes, newlines, etc.
return strtr($string, array('\\' => '\\\\', "'" => "\\'", '"' => '\\"', "\r" => '\\r', "\n" => '\\n', '</' => '<\/'));
case 'mail':
if (Smarty::$_MBSTRING) {
require_once(SMARTY_PLUGINS_DIR . 'shared.mb_str_replace.php');
return smarty_mb_str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
}
// no MBString fallback
return str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
case 'nonstd':
// escape non-standard chars, such as ms document quotes
$return = '';
if (Smarty::$_MBSTRING) {
require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
if ($unicode >= 126) {
$return .= '&#' . $unicode . ';';
} else {
$return .= chr($unicode);
}
}
return $return;
}
$_length = strlen($string);
for ($_i = 0; $_i < $_length; $_i++) {
$_ord = ord(substr($string, $_i, 1));
// non-standard char, escape it
if ($_ord >= 126) {
$return .= '&#' . $_ord . ';';
} else {
$return .= substr($string, $_i, 1);
}
}
return $return;
default:
return $string;
}
}
?>
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