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Diffstat (limited to 'library/vendor/Zend/Mail/Header/HeaderName.php')
-rw-r--r-- | library/vendor/Zend/Mail/Header/HeaderName.php | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/library/vendor/Zend/Mail/Header/HeaderName.php b/library/vendor/Zend/Mail/Header/HeaderName.php new file mode 100644 index 0000000..1284c3c --- /dev/null +++ b/library/vendor/Zend/Mail/Header/HeaderName.php @@ -0,0 +1,91 @@ +<?php +/** + * Zend Framework + * + * LICENSE + * + * This source file is subject to the new BSD license that is bundled + * with this package in the file LICENSE.txt. + * It is also available through the world-wide-web at this URL: + * http://framework.zend.com/license/new-bsd + * If you did not receive a copy of the license and are unable to + * obtain it through the world-wide-web, please send an email + * to license@zend.com so we can send you a copy immediately. + * + * @category Zend + * @package Zend_Mail + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + + +/** + * @category Zend + * @package Zend_Mail + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +final class Zend_Mail_Header_HeaderName +{ + /** + * No public constructor. + */ + private function __construct() + { + } + + /** + * Filter the header name according to RFC 2822 + * + * @see http://www.rfc-base.org/txt/rfc-2822.txt (section 2.2) + * @param string $name + * @return string + */ + public static function filter($name) + { + $result = ''; + $tot = strlen($name); + for ($i = 0; $i < $tot; $i += 1) { + $ord = ord($name[$i]); + if ($ord > 32 && $ord < 127 && $ord !== 58) { + $result .= $name[$i]; + } + } + return $result; + } + + /** + * Determine if the header name contains any invalid characters. + * + * @param string $name + * @return bool + */ + public static function isValid($name) + { + $tot = strlen($name); + for ($i = 0; $i < $tot; $i += 1) { + $ord = ord($name[$i]); + if ($ord < 33 || $ord > 126 || $ord === 58) { + return false; + } + } + return true; + } + + /** + * Assert that the header name is valid. + * + * Raises an exception if invalid. + * + * @param string $name + * @throws Exception\RuntimeException + * @return void + */ + public static function assertValid($name) + { + if (! self::isValid($name)) { + throw new Zend_Mail_Exception('Invalid header name detected'); + } + } +} |