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116 lines
3.9 KiB
116 lines
3.9 KiB
<?php
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// $Id$
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/**
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* Smarty plugin
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* @package Smarty
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* @subpackage plugins
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*/
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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 the string according to escapement type
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* @link http://smarty.php.net/manual/en/language.modifier.escape.php
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* escape (Smarty online manual)
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* @author Monte Ohrt <monte at ohrt dot com>
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* @param html|htmlall|url|quotes|hex|hexentity|javascript
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* @param string $esc_type
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* @param string $char_set
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* @param bool $double_encode
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* @return string
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*/
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function smarty_modifier_escape($string, $esc_type = 'html', $char_set = 'UTF-8', $double_encode = true)
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{
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switch ($esc_type) {
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case 'html':
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if (is_array($string)) {
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$string = implode(',', $string);
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}
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$return = htmlspecialchars($string ?? '', ENT_QUOTES, $char_set, $double_encode);
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// Convert back sanitization tags into real tags to avoid them to be displayed
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$return = str_replace('<x>', '<x>', $return);
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// Convert back sanitization tags into real tags for no wrap space
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$return = str_replace('&nbsp;', ' ', $return);
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return $return;
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case 'htmlall':
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$return = htmlentities($string ?? '', ENT_QUOTES, $char_set);
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if (! strlen($return) && strlen($string)) { // Bug php when there is non utf8 characters in the string(http://bugs.php.net/bug.php?id=43549, http://bugs.php.net/bug.php?id=43294)
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$return = htmlentities($string, ENT_QUOTES);
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}
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// Convert back sanitization tags into real tags to avoid them to be displayed
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$return = str_replace('<x>', '<x>', $return);
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return $return;
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case 'url':
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return rawurlencode($string);
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case 'urlpathinfo':
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return str_replace('%2F', '/', rawurlencode($string));
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case 'quotes':
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// escape unescaped single quotes
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return preg_replace("%(?<!\\\\)'%", "\\'", $string);
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case 'hex':
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// escape every character into hex
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$return = '';
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for ($x = 0, $xstrlen_string = strlen($string); $x < $xstrlen_string; $x++) {
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$return .= '%' . bin2hex($string[$x]);
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}
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return $return;
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case 'hexentity':
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$return = '';
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for ($x = 0, $x_strlen_string = strlen($string); $x < $x_strlen_string; $x++) {
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$return .= '&#x' . bin2hex($string[$x]) . ';';
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}
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return $return;
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case 'decentity':
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$return = '';
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for ($x = 0, $x_strlen_string = strlen($string); $x < $x_strlen_string; $x++) {
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$return .= '&#' . ord($string[$x]) . ';';
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}
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return $return;
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case 'javascript':
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// escape quotes and backslashes, newlines, etc.
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return strtr($string, ['\\' => '\\\\', "'" => "\\'", '"' => '\\"', "\r" => '\\r', "\n" => '\\n', '</' => '<\/']);
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case 'mail':
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// safe way to display e-mail address on a web page
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return str_replace(['@', '.'], [' [AT] ', ' [DOT] '], $string);
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case 'nonstd':
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// escape non-standard chars, such as ms document quotes
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$_res = '';
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for ($_i = 0, $_len = strlen($string); $_i < $_len; $_i++) {
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$_ord = ord(substr($string, $_i, 1));
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// non-standard char, escape it
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if ($_ord >= 126) {
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$_res .= '&#' . $_ord . ';';
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} else {
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$_res .= substr($string, $_i, 1);
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}
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}
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return $_res;
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case 'unescape':
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return rawurldecode($string);
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case 'attr':
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$esc = new Laminas\Escaper\Escaper();
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return $esc->escapeHtmlAttr((string) $string);
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default:
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return $string;
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}
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}
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