new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/plugins/modifier.escape.php
@@ -0,0 +1,197 @@
+<?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/docs/en/language.modifier.escape
+ * @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;
+ }
+}