67 lines
2.4 KiB
PHP
67 lines
2.4 KiB
PHP
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<?php
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namespace Smarty\Compile\Modifier;
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use Smarty\Exception;
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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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* @author Rodney Rehm
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*/
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class EscapeModifierCompiler extends Base {
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public function compile($params, \Smarty\Compiler\Template $compiler) {
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try {
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$esc_type = $this->literal_compiler_param($params, 1, 'html');
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$char_set = $this->literal_compiler_param($params, 2, \Smarty\Smarty::$_CHARSET);
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$double_encode = $this->literal_compiler_param($params, 3, true);
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if (!$char_set) {
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$char_set = \Smarty\Smarty::$_CHARSET;
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}
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switch ($esc_type) {
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case 'html':
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case 'force':
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// in case of auto-escaping, and without the 'force' option, no double-escaping
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if ($compiler->getSmarty()->escape_html && $esc_type != 'force')
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return $params[0];
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// otherwise, escape the variable
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return 'htmlspecialchars((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
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var_export($double_encode, true) . ')';
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// no break
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case 'htmlall':
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$compiler->setRawOutput(true);
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return 'htmlentities(mb_convert_encoding((string)' . $params[ 0 ] . ', \'UTF-8\', ' .
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var_export($char_set, true) . '), ENT_QUOTES, \'UTF-8\', ' .
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var_export($double_encode, true) . ')';
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// no break
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case 'url':
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$compiler->setRawOutput(true);
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return 'rawurlencode((string)' . $params[ 0 ] . ')';
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case 'urlpathinfo':
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$compiler->setRawOutput(true);
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return 'str_replace("%2F", "/", rawurlencode((string)' . $params[ 0 ] . '))';
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case 'quotes':
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$compiler->setRawOutput(true);
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// escape unescaped single quotes
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return 'preg_replace("%(?<!\\\\\\\\)\'%", "\\\'", (string)' . $params[ 0 ] . ')';
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case 'javascript':
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$compiler->setRawOutput(true);
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// escape quotes and backslashes, newlines, etc.
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// see https://html.spec.whatwg.org/multipage/scripting.html#restrictions-for-contents-of-script-elements
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return 'strtr((string)' .
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$params[ 0 ] .
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', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r",
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"\\n" => "\\\n", "</" => "<\/", "<!--" => "<\!--", "<s" => "<\s", "<S" => "<\S",
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"`" => "\\\\`", "\${" => "\\\\\\$\\{"))';
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}
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} catch (Exception $e) {
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// pass through to regular plugin fallback
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}
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return '$_smarty_tpl->getSmarty()->getModifierCallback(\'escape\')(' . join(', ', $params) . ')';
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}
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}
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