library/smarty/libs/plugins/modifiercompiler.escape.php
author Markus Bröker <broeker.markus@googlemail.com>
Thu, 12 Nov 2015 21:59:18 +0100
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Aktualisierung des Frameworks * find, store und delete beziehen sich auf den aktuellen Datensatz * namespaces werden effizienter genutzt
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<?php
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/**
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 * Smarty plugin
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 *
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 * @package    Smarty
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 * @subpackage PluginsModifierCompiler
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 */
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/**
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 * @ignore
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 */
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require_once(SMARTY_PLUGINS_DIR . 'shared.literal_compiler_param.php');
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/**
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 * Smarty escape modifier plugin
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 * Type:     modifier<br>
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 * Name:     escape<br>
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 * Purpose:  escape string for output
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 *
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 * @link   http://www.smarty.net/docsv2/en/language.modifier.escape count_characters (Smarty online manual)
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 * @author Rodney Rehm
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 *
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 * @param array $params parameters
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 * @param       $compiler
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 *
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 * @return string with compiled code
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 */
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function smarty_modifiercompiler_escape($params, $compiler) {
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    static $_double_encode = null;
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    if ($_double_encode === null) {
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        $_double_encode = version_compare(PHP_VERSION, '5.2.3', '>=');
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    }
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    try {
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        $esc_type = smarty_literal_compiler_param($params, 1, 'html');
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        $char_set = smarty_literal_compiler_param($params, 2, Smarty::$_CHARSET);
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        $double_encode = smarty_literal_compiler_param($params, 3, true);
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        if (!$char_set) {
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            $char_set = Smarty::$_CHARSET;
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        }
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        switch ($esc_type) {
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            case 'html':
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                if ($_double_encode) {
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                    return 'htmlspecialchars('
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                    . $params[0] . ', ENT_QUOTES, '
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                    . var_export($char_set, true) . ', '
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                    . var_export($double_encode, true) . ')';
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                } elseif ($double_encode) {
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                    return 'htmlspecialchars('
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                    . $params[0] . ', ENT_QUOTES, '
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                    . var_export($char_set, true) . ')';
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                } else {
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                    // fall back to modifier.escape.php
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                }
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            case 'htmlall':
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                if (Smarty::$_MBSTRING) {
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                    if ($_double_encode) {
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                        // php >=5.2.3 - go native
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                        return 'mb_convert_encoding(htmlspecialchars('
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                        . $params[0] . ', ENT_QUOTES, '
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                        . var_export($char_set, true) . ', '
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                        . var_export($double_encode, true)
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                        . '), "HTML-ENTITIES", '
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                        . var_export($char_set, true) . ')';
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                    } elseif ($double_encode) {
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                        // php <5.2.3 - only handle double encoding
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                        return 'mb_convert_encoding(htmlspecialchars('
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                        . $params[0] . ', ENT_QUOTES, '
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                        . var_export($char_set, true)
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                        . '), "HTML-ENTITIES", '
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                        . var_export($char_set, true) . ')';
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                    } else {
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                        // fall back to modifier.escape.php
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                    }
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                }
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                // no MBString fallback
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                if ($_double_encode) {
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                    // php >=5.2.3 - go native
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                    return 'htmlentities('
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                    . $params[0] . ', ENT_QUOTES, '
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                    . var_export($char_set, true) . ', '
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                    . var_export($double_encode, true) . ')';
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                } elseif ($double_encode) {
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                    // php <5.2.3 - only handle double encoding
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                    return 'htmlentities('
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                    . $params[0] . ', ENT_QUOTES, '
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                    . var_export($char_set, true) . ')';
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                } else {
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                    // fall back to modifier.escape.php
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                }
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            case 'url':
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                return 'rawurlencode(' . $params[0] . ')';
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            case 'urlpathinfo':
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                return 'str_replace("%2F", "/", rawurlencode(' . $params[0] . '))';
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            case 'quotes':
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                // escape unescaped single quotes
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                return 'preg_replace("%(?<!\\\\\\\\)\'%", "\\\'",' . $params[0] . ')';
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            case 'javascript':
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                // escape quotes and backslashes, newlines, etc.
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                return 'strtr(' . $params[0] . ', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r", "\\n" => "\\\n", "</" => "<\/" ))';
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        }
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    } catch (SmartyException $e) {
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        // pass through to regular plugin fallback
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    }
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    // could not optimize |escape call, so fallback to regular plugin
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    if ($compiler->template->caching && ($compiler->tag_nocache | $compiler->nocache)) {
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        $compiler->template->required_plugins['nocache']['escape']['modifier']['file'] = SMARTY_PLUGINS_DIR . 'modifier.escape.php';
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        $compiler->template->required_plugins['nocache']['escape']['modifier']['function'] = 'smarty_modifier_escape';
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    } else {
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        $compiler->template->required_plugins['compiled']['escape']['modifier']['file'] = SMARTY_PLUGINS_DIR . 'modifier.escape.php';
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        $compiler->template->required_plugins['compiled']['escape']['modifier']['function'] = 'smarty_modifier_escape';
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    }
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    return 'smarty_modifier_escape(' . join(', ', $params) . ')';
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}