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116 lines
4.9 KiB
116 lines
4.9 KiB
7 years ago
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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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* Smarty escape modifier plugin
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* Type: modifier
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* Name: escape
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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 Smarty_Internal_TemplateCompilerBase $compiler
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*
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* @return string with compiled code
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* @throws \SmartyException
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*/
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function smarty_modifiercompiler_escape($params, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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static $_double_encode = null;
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static $is_loaded = false;
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$compiler->template->_checkPlugins(array(array('function' => 'smarty_literal_compiler_param',
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'file' => SMARTY_PLUGINS_DIR . 'shared.literal_compiler_param.php')));
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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(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($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(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($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(' . $params[ 0 ] . ', ENT_QUOTES, ' .
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var_export($char_set, true) . ', ' . var_export($double_encode, true) .
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'), "HTML-ENTITIES", ' . var_export($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(' . $params[ 0 ] . ', ENT_QUOTES, ' .
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var_export($char_set, true) . '), "HTML-ENTITIES", ' . 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(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($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(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($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 ] .
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', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r", "\\n" => "\\\n", "</" => "<\/" ))';
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}
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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->required_plugins[ 'nocache' ][ 'escape' ][ 'modifier' ][ 'file' ] =
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SMARTY_PLUGINS_DIR . 'modifier.escape.php';
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$compiler->required_plugins[ 'nocache' ][ 'escape' ][ 'modifier' ][ 'function' ] =
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'smarty_modifier_escape';
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} else {
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$compiler->required_plugins[ 'compiled' ][ 'escape' ][ 'modifier' ][ 'file' ] =
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SMARTY_PLUGINS_DIR . 'modifier.escape.php';
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$compiler->required_plugins[ 'compiled' ][ 'escape' ][ 'modifier' ][ 'function' ] =
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'smarty_modifier_escape';
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}
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return 'smarty_modifier_escape(' . join(', ', $params) . ')';
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}
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