<?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; } }