diff options
Diffstat (limited to 'vendor/swiftmailer/swiftmailer/lib/classes/Swift/Signers/OpenDKIMSigner.php')
| -rw-r--r-- | vendor/swiftmailer/swiftmailer/lib/classes/Swift/Signers/OpenDKIMSigner.php | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Signers/OpenDKIMSigner.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Signers/OpenDKIMSigner.php new file mode 100644 index 0000000..8fdbaa4 --- /dev/null +++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Signers/OpenDKIMSigner.php @@ -0,0 +1,190 @@ +<?php + +/* + * This file is part of SwiftMailer. + * (c) 2004-2009 Chris Corbyn + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * DKIM Signer used to apply DKIM Signature to a message + * Takes advantage of pecl extension. + * + * @author Xavier De Cock <xdecock@gmail.com> + */ +class Swift_Signers_OpenDKIMSigner extends Swift_Signers_DKIMSigner +{ + private $_peclLoaded = false; + + private $_dkimHandler = null; + + private $dropFirstLF = true; + + const CANON_RELAXED = 1; + const CANON_SIMPLE = 2; + const SIG_RSA_SHA1 = 3; + const SIG_RSA_SHA256 = 4; + + public function __construct($privateKey, $domainName, $selector) + { + if (!extension_loaded('opendkim')) { + throw new Swift_SwiftException('php-opendkim extension not found'); + } + + $this->_peclLoaded = true; + + parent::__construct($privateKey, $domainName, $selector); + } + + public static function newInstance($privateKey, $domainName, $selector) + { + return new static($privateKey, $domainName, $selector); + } + + public function addSignature(Swift_Mime_HeaderSet $headers) + { + $header = new Swift_Mime_Headers_OpenDKIMHeader('DKIM-Signature'); + $headerVal = $this->_dkimHandler->getSignatureHeader(); + if (!$headerVal) { + throw new Swift_SwiftException('OpenDKIM Error: '.$this->_dkimHandler->getError()); + } + $header->setValue($headerVal); + $headers->set($header); + + return $this; + } + + public function setHeaders(Swift_Mime_HeaderSet $headers) + { + $bodyLen = $this->_bodyLen; + if (is_bool($bodyLen)) { + $bodyLen = -1; + } + $hash = $this->_hashAlgorithm == 'rsa-sha1' ? OpenDKIMSign::ALG_RSASHA1 : OpenDKIMSign::ALG_RSASHA256; + $bodyCanon = $this->_bodyCanon == 'simple' ? OpenDKIMSign::CANON_SIMPLE : OpenDKIMSign::CANON_RELAXED; + $headerCanon = $this->_headerCanon == 'simple' ? OpenDKIMSign::CANON_SIMPLE : OpenDKIMSign::CANON_RELAXED; + $this->_dkimHandler = new OpenDKIMSign($this->_privateKey, $this->_selector, $this->_domainName, $headerCanon, $bodyCanon, $hash, $bodyLen); + // Hardcode signature Margin for now + $this->_dkimHandler->setMargin(78); + + if (!is_numeric($this->_signatureTimestamp)) { + OpenDKIM::setOption(OpenDKIM::OPTS_FIXEDTIME, time()); + } else { + if (!OpenDKIM::setOption(OpenDKIM::OPTS_FIXEDTIME, $this->_signatureTimestamp)) { + throw new Swift_SwiftException('Unable to force signature timestamp ['.openssl_error_string().']'); + } + } + if (isset($this->_signerIdentity)) { + $this->_dkimHandler->setSigner($this->_signerIdentity); + } + $listHeaders = $headers->listAll(); + foreach ($listHeaders as $hName) { + // Check if we need to ignore Header + if (!isset($this->_ignoredHeaders[strtolower($hName)])) { + $tmp = $headers->getAll($hName); + if ($headers->has($hName)) { + foreach ($tmp as $header) { + if ($header->getFieldBody() != '') { + $htosign = $header->toString(); + $this->_dkimHandler->header($htosign); + $this->_signedHeaders[] = $header->getFieldName(); + } + } + } + } + } + + return $this; + } + + public function startBody() + { + if (!$this->_peclLoaded) { + return parent::startBody(); + } + $this->dropFirstLF = true; + $this->_dkimHandler->eoh(); + + return $this; + } + + public function endBody() + { + if (!$this->_peclLoaded) { + return parent::endBody(); + } + $this->_dkimHandler->eom(); + + return $this; + } + + public function reset() + { + $this->_dkimHandler = null; + parent::reset(); + + return $this; + } + + /** + * Set the signature timestamp. + * + * @param int $time + * + * @return $this + */ + public function setSignatureTimestamp($time) + { + $this->_signatureTimestamp = $time; + + return $this; + } + + /** + * Set the signature expiration timestamp. + * + * @param int $time + * + * @return $this + */ + public function setSignatureExpiration($time) + { + $this->_signatureExpiration = $time; + + return $this; + } + + /** + * Enable / disable the DebugHeaders. + * + * @param bool $debug + * + * @return $this + */ + public function setDebugHeaders($debug) + { + $this->_debugHeaders = (bool) $debug; + + return $this; + } + + // Protected + + protected function _canonicalizeBody($string) + { + if (!$this->_peclLoaded) { + return parent::_canonicalizeBody($string); + } + if (false && $this->dropFirstLF === true) { + if ($string[0] == "\r" && $string[1] == "\n") { + $string = substr($string, 2); + } + } + $this->dropFirstLF = false; + if (strlen($string)) { + $this->_dkimHandler->body($string); + } + } +} |