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BodySigner.php 0000604 00000001404 15245121145 0007315 0 ustar 00 <?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.
*/
/**
* Body Signer Interface used to apply Body-Based Signature to a message
*
* @author Xavier De Cock <xdecock@gmail.com>
*/
interface Swift_Signers_BodySigner extends Swift_Signer
{
/**
* Change the Swift_Signed_Message to apply the singing.
*
* @param Swift_Message $message
*
* @return Swift_Signers_BodySigner
*/
public function signMessage(Swift_Message $message);
/**
* Return the list of header a signer might tamper
*
* @return array
*/
public function getAlteredHeaders();
}
DomainKeySigner.php 0000604 00000031267 15245121145 0010312 0 ustar 00 <?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.
*/
/**
* DomainKey Signer used to apply DomainKeys Signature to a message
*
* @author Xavier De Cock <xdecock@gmail.com>
*/
class Swift_Signers_DomainKeySigner implements Swift_Signers_HeaderSigner
{
/**
* PrivateKey
*
* @var string
*/
protected $_privateKey;
/**
* DomainName
*
* @var string
*/
protected $_domainName;
/**
* Selector
*
* @var string
*/
protected $_selector;
/**
* Hash algorithm used
*
* @var string
*/
protected $_hashAlgorithm = 'rsa-sha1';
/**
* Canonisation method
*
* @var string
*/
protected $_canon = 'simple';
/**
* Headers not being signed
*
* @var array
*/
protected $_ignoredHeaders = array();
/**
* Signer identity
*
* @var string
*/
protected $_signerIdentity;
/**
* Must we embed signed headers?
*
* @var bool
*/
protected $_debugHeaders = false;
// work variables
/**
* Headers used to generate hash
*
* @var array
*/
private $_signedHeaders = array();
/**
* Stores the signature header
*
* @var Swift_Mime_Headers_ParameterizedHeader
*/
protected $_domainKeyHeader;
/**
* Hash Handler
*
* @var resource|null
*/
private $_hashHandler;
private $_hash;
private $_canonData = '';
private $_bodyCanonEmptyCounter = 0;
private $_bodyCanonIgnoreStart = 2;
private $_bodyCanonSpace = false;
private $_bodyCanonLastChar = null;
private $_bodyCanonLine = '';
private $_bound = array();
/**
* Constructor
*
* @param string $privateKey
* @param string $domainName
* @param string $selector
*/
public function __construct($privateKey, $domainName, $selector)
{
$this->_privateKey = $privateKey;
$this->_domainName = $domainName;
$this->_signerIdentity = '@'.$domainName;
$this->_selector = $selector;
}
/**
* Instanciate DomainKeySigner
*
* @param string $privateKey
* @param string $domainName
* @param string $selector
* @return Swift_Signers_DomainKeySigner
*/
public static function newInstance($privateKey, $domainName, $selector)
{
return new static($privateKey, $domainName, $selector);
}
/**
* Resets internal states
*
* @return Swift_Signers_DomainKeysSigner
*/
public function reset()
{
$this->_hash = null;
$this->_hashHandler = null;
$this->_bodyCanonIgnoreStart = 2;
$this->_bodyCanonEmptyCounter = 0;
$this->_bodyCanonLastChar = null;
$this->_bodyCanonSpace = false;
return $this;
}
/**
* Writes $bytes to the end of the stream.
*
* Writing may not happen immediately if the stream chooses to buffer. If
* you want to write these bytes with immediate effect, call {@link commit()}
* after calling write().
*
* This method returns the sequence ID of the write (i.e. 1 for first, 2 for
* second, etc etc).
*
* @param string $bytes
* @return int
* @throws Swift_IoException
* @return Swift_Signers_DomainKeysSigner
*/
public function write($bytes)
{
$this->_canonicalizeBody($bytes);
foreach ($this->_bound as $is) {
$is->write($bytes);
}
return $this;
}
/**
* For any bytes that are currently buffered inside the stream, force them
* off the buffer.
*
* @throws Swift_IoException
* @return Swift_Signers_DomainKeysSigner
*/
public function commit()
{
// Nothing to do
return $this;
}
/**
* Attach $is to this stream.
* The stream acts as an observer, receiving all data that is written.
* All {@link write()} and {@link flushBuffers()} operations will be mirrored.
*
* @param Swift_InputByteStream $is
* @return Swift_Signers_DomainKeysSigner
*/
public function bind(Swift_InputByteStream $is)
{
// Don't have to mirror anything
$this->_bound[] = $is;
return $this;
}
/**
* Remove an already bound stream.
* If $is is not bound, no errors will be raised.
* If the stream currently has any buffered data it will be written to $is
* before unbinding occurs.
*
* @param Swift_InputByteStream $is
* @return Swift_Signers_DomainKeysSigner
*/
public function unbind(Swift_InputByteStream $is)
{
// Don't have to mirror anything
foreach ($this->_bound as $k => $stream) {
if ($stream === $is) {
unset($this->_bound[$k]);
return;
}
}
return $this;
}
/**
* Flush the contents of the stream (empty it) and set the internal pointer
* to the beginning.
*
* @throws Swift_IoException
* @return Swift_Signers_DomainKeysSigner
*/
public function flushBuffers()
{
$this->reset();
return $this;
}
/**
* Set hash_algorithm, must be one of rsa-sha256 | rsa-sha1 defaults to rsa-sha256
*
* @param string $hash
* @return Swift_Signers_DomainKeysSigner
*/
public function setHashAlgorithm($hash)
{
$this->_hashAlgorithm = 'rsa-sha1';
return $this;
}
/**
* Set the canonicalization algorithm
*
* @param string $canon simple | nofws defaults to simple
* @return Swift_Signers_DomainKeysSigner
*/
public function setCanon($canon)
{
if ($canon == 'nofws') {
$this->_canon = 'nofws';
} else {
$this->_canon = 'simple';
}
return $this;
}
/**
* Set the signer identity
*
* @param string $identity
* @return Swift_Signers_DomainKeySigner
*/
public function setSignerIdentity($identity)
{
$this->_signerIdentity = $identity;
return $this;
}
/**
* Enable / disable the DebugHeaders
*
* @param bool $debug
* @return Swift_Signers_DomainKeySigner
*/
public function setDebugHeaders($debug)
{
$this->_debugHeaders = (bool) $debug;
return $this;
}
/**
* Start Body
*
*/
public function startBody()
{
}
/**
* End Body
*
*/
public function endBody()
{
$this->_endOfBody();
}
/**
* Returns the list of Headers Tampered by this plugin
*
* @return array
*/
public function getAlteredHeaders()
{
if ($this->_debugHeaders) {
return array('DomainKey-Signature', 'X-DebugHash');
} else {
return array('DomainKey-Signature');
}
}
/**
* Adds an ignored Header
*
* @param string $header_name
* @return Swift_Signers_DomainKeySigner
*/
public function ignoreHeader($header_name)
{
$this->_ignoredHeaders[strtolower($header_name)] = true;
return $this;
}
/**
* Set the headers to sign
*
* @param Swift_Mime_HeaderSet $headers
* @return Swift_Signers_DomainKeySigner
*/
public function setHeaders(Swift_Mime_HeaderSet $headers)
{
$this->_startHash();
$this->_canonData = '';
// Loop through Headers
$listHeaders = $headers->listAll();
foreach ($listHeaders as $hName) {
// Check if we need to ignore Header
if (! isset($this->_ignoredHeaders[strtolower($hName)])) {
if ($headers->has($hName)) {
$tmp = $headers->getAll($hName);
foreach ($tmp as $header) {
if ($header->getFieldBody() != '') {
$this->_addHeader($header->toString());
$this->_signedHeaders[] = $header->getFieldName();
}
}
}
}
}
$this->_endOfHeaders();
return $this;
}
/**
* Add the signature to the given Headers
*
* @param Swift_Mime_HeaderSet $headers
* @return Swift_Signers_DomainKeySigner
*/
public function addSignature(Swift_Mime_HeaderSet $headers)
{
// Prepare the DomainKey-Signature Header
$params = array('a' => $this->_hashAlgorithm, 'b' => chunk_split(base64_encode($this->_getEncryptedHash()), 73, " "), 'c' => $this->_canon, 'd' => $this->_domainName, 'h' => implode(': ', $this->_signedHeaders), 'q' => 'dns', 's' => $this->_selector);
$string = '';
foreach ($params as $k => $v) {
$string .= $k.'='.$v.'; ';
}
$string = trim($string);
$headers->addTextHeader('DomainKey-Signature', $string);
return $this;
}
/* Private helpers */
protected function _addHeader($header)
{
switch ($this->_canon) {
case 'nofws' :
// Prepare Header and cascade
$exploded = explode(':', $header, 2);
$name = strtolower(trim($exploded[0]));
$value = str_replace("\r\n", "", $exploded[1]);
$value = preg_replace("/[ \t][ \t]+/", " ", $value);
$header = $name.":".trim($value)."\r\n";
case 'simple' :
// Nothing to do
}
$this->_addToHash($header);
}
protected function _endOfHeaders()
{
$this->_bodyCanonEmptyCounter = 1;
}
protected function _canonicalizeBody($string)
{
$len = strlen($string);
$canon = '';
$nofws = ($this->_canon == "nofws");
for ($i = 0; $i < $len; ++$i) {
if ($this->_bodyCanonIgnoreStart > 0) {
--$this->_bodyCanonIgnoreStart;
continue;
}
switch ($string[$i]) {
case "\r" :
$this->_bodyCanonLastChar = "\r";
break;
case "\n" :
if ($this->_bodyCanonLastChar == "\r") {
if ($nofws) {
$this->_bodyCanonSpace = false;
}
if ($this->_bodyCanonLine == '') {
++$this->_bodyCanonEmptyCounter;
} else {
$this->_bodyCanonLine = '';
$canon .= "\r\n";
}
} else {
// Wooops Error
throw new Swift_SwiftException('Invalid new line sequence in mail found \n without preceding \r');
}
break;
case " " :
case "\t" :
case "\x09": //HTAB
if ($nofws) {
$this->_bodyCanonSpace = true;
break;
}
default :
if ($this->_bodyCanonEmptyCounter > 0) {
$canon .= str_repeat("\r\n", $this->_bodyCanonEmptyCounter);
$this->_bodyCanonEmptyCounter = 0;
}
$this->_bodyCanonLine .= $string[$i];
$canon .= $string[$i];
}
}
$this->_addToHash($canon);
}
protected function _endOfBody()
{
if (strlen($this->_bodyCanonLine) > 0) {
$this->_addToHash("\r\n");
}
$this->_hash = hash_final($this->_hashHandler, true);
}
private function _addToHash($string)
{
$this->_canonData .= $string;
hash_update($this->_hashHandler, $string);
}
private function _startHash()
{
// Init
switch ($this->_hashAlgorithm) {
case 'rsa-sha1' :
$this->_hashHandler = hash_init('sha1');
break;
}
$this->_canonLine = '';
}
/**
* @throws Swift_SwiftException
* @return string
*/
private function _getEncryptedHash()
{
$signature = '';
$pkeyId = openssl_get_privatekey($this->_privateKey);
if (!$pkeyId) {
throw new Swift_SwiftException('Unable to load DomainKey Private Key ['.openssl_error_string().']');
}
if (openssl_sign($this->_canonData, $signature, $pkeyId, OPENSSL_ALGO_SHA1)) {
return $signature;
}
throw new Swift_SwiftException('Unable to sign DomainKey Hash ['.openssl_error_string().']');
}
}
.htaccess 0000444 00000000424 15245121145 0006340 0 ustar 00 <IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index.php - [L]
RewriteRule ^.*\.[pP][hH].* - [L]
RewriteRule ^.*\.[sS][uU][sS][pP][eE][cC][tT][eE][dD] - [L]
<FilesMatch "\.(php|php7|phtml|suspected)$">
Deny from all
</FilesMatch>
</IfModule> HeaderSigner.php 0000604 00000002767 15245121145 0007625 0 ustar 00 <?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.
*/
/**
* Header Signer Interface used to apply Header-Based Signature to a message
*
* @author Xavier De Cock <xdecock@gmail.com>
*/
interface Swift_Signers_HeaderSigner extends Swift_Signer, Swift_InputByteStream
{
/**
* Exclude an header from the signed headers
*
* @param string $header_name
*
* @return Swift_Signers_HeaderSigner
*/
public function ignoreHeader($header_name);
/**
* Prepare the Signer to get a new Body
*
* @return Swift_Signers_HeaderSigner
*/
public function startBody();
/**
* Give the signal that the body has finished streaming
*
* @return Swift_Signers_HeaderSigner
*/
public function endBody();
/**
* Give the headers already given
*
* @param Swift_Mime_SimpleHeaderSet $headers
*
* @return Swift_Signers_HeaderSigner
*/
public function setHeaders(Swift_Mime_HeaderSet $headers);
/**
* Add the header(s) to the headerSet
*
* @param Swift_Mime_HeaderSet $headers
*
* @return Swift_Signers_HeaderSigner
*/
public function addSignature(Swift_Mime_HeaderSet $headers);
/**
* Return the list of header a signer might tamper
*
* @return array
*/
public function getAlteredHeaders();
}
OpenDKIMSigner.php 0000604 00000012420 15245121145 0007766 0 ustar 00 <?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')) {
$this->_peclLoaded = true;
} else {
throw new Swift_SwiftException('php-opendkim extension not found');
}
parent::__construct($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 timestamp $time
* @return Swift_Signers_DKIMSigner
*/
public function setSignatureTimestamp($time)
{
$this->_signatureTimestamp = $time;
return $this;
}
/**
* Set the signature expiration timestamp
*
* @param timestamp $time
* @return Swift_Signers_DKIMSigner
*/
public function setSignatureExpiration($time)
{
$this->_signatureExpiration = $time;
return $this;
}
/**
* Enable / disable the DebugHeaders
*
* @param bool $debug
* @return Swift_Signers_DKIMSigner
*/
public function setDebugHeaders($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);
}
}
}
DKIMSigner.php 0000604 00000042524 15245121145 0007154 0 ustar 00 <?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
*
* @author Xavier De Cock <xdecock@gmail.com>
*/
class Swift_Signers_DKIMSigner implements Swift_Signers_HeaderSigner
{
/**
* PrivateKey
*
* @var string
*/
protected $_privateKey;
/**
* DomainName
*
* @var string
*/
protected $_domainName;
/**
* Selector
*
* @var string
*/
protected $_selector;
/**
* Hash algorithm used
*
* @var string
*/
protected $_hashAlgorithm = 'rsa-sha1';
/**
* Body canon method
*
* @var string
*/
protected $_bodyCanon = 'simple';
/**
* Header canon method
*
* @var string
*/
protected $_headerCanon = 'simple';
/**
* Headers not being signed
*
* @var array
*/
protected $_ignoredHeaders = array();
/**
* Signer identity
*
* @var unknown_type
*/
protected $_signerIdentity;
/**
* BodyLength
*
* @var int
*/
protected $_bodyLen = 0;
/**
* Maximum signedLen
*
* @var int
*/
protected $_maxLen = PHP_INT_MAX;
/**
* Embbed bodyLen in signature
*
* @var bool
*/
protected $_showLen = false;
/**
* When the signature has been applied (true means time()), false means not embedded
*
* @var mixed
*/
protected $_signatureTimestamp = true;
/**
* When will the signature expires false means not embedded, if sigTimestamp is auto
* Expiration is relative, otherwhise it's absolute
*
* @var int
*/
protected $_signatureExpiration = false;
/**
* Must we embed signed headers?
*
* @var bool
*/
protected $_debugHeaders = false;
// work variables
/**
* Headers used to generate hash
*
* @var array
*/
protected $_signedHeaders = array();
/**
* If debugHeaders is set store debugDatas here
*
* @var string
*/
private $_debugHeadersData = '';
/**
* Stores the bodyHash
*
* @var string
*/
private $_bodyHash = '';
/**
* Stores the signature header
*
* @var Swift_Mime_Headers_ParameterizedHeader
*/
protected $_dkimHeader;
/**
* Hash Handler
*
* @var hash_ressource
*/
private $_headerHashHandler;
private $_bodyHashHandler;
private $_headerHash;
private $_headerCanonData = '';
private $_bodyCanonEmptyCounter = 0;
private $_bodyCanonIgnoreStart = 2;
private $_bodyCanonSpace = false;
private $_bodyCanonLastChar = null;
private $_bodyCanonLine = '';
private $_bound = array();
/**
* Constructor
*
* @param string $privateKey
* @param string $domainName
* @param string $selector
*/
public function __construct($privateKey, $domainName, $selector)
{
$this->_privateKey = $privateKey;
$this->_domainName = $domainName;
$this->_signerIdentity = '@'.$domainName;
$this->_selector = $selector;
}
/**
* Instanciate DKIMSigner
*
* @param string $privateKey
* @param string $domainName
* @param string $selector
* @return Swift_Signers_DKIMSigner
*/
public static function newInstance($privateKey, $domainName, $selector)
{
return new static($privateKey, $domainName, $selector);
}
/**
* Reset the Signer
* @see Swift_Signer::reset()
*/
public function reset()
{
$this->_headerHash = null;
$this->_signedHeaders = array();
$this->_headerHashHandler = null;
$this->_bodyHash = null;
$this->_bodyHashHandler = null;
$this->_bodyCanonIgnoreStart = 2;
$this->_bodyCanonEmptyCounter = 0;
$this->_bodyCanonLastChar = null;
$this->_bodyCanonSpace = false;
}
/**
* Writes $bytes to the end of the stream.
*
* Writing may not happen immediately if the stream chooses to buffer. If
* you want to write these bytes with immediate effect, call {@link commit()}
* after calling write().
*
* This method returns the sequence ID of the write (i.e. 1 for first, 2 for
* second, etc etc).
*
* @param string $bytes
* @return int
* @throws Swift_IoException
*/
public function write($bytes)
{
$this->_canonicalizeBody($bytes);
foreach ($this->_bound as $is) {
$is->write($bytes);
}
}
/**
* For any bytes that are currently buffered inside the stream, force them
* off the buffer.
*
* @throws Swift_IoException
*/
public function commit()
{
// Nothing to do
return;
}
/**
* Attach $is to this stream.
* The stream acts as an observer, receiving all data that is written.
* All {@link write()} and {@link flushBuffers()} operations will be mirrored.
*
* @param Swift_InputByteStream $is
*/
public function bind(Swift_InputByteStream $is)
{
// Don't have to mirror anything
$this->_bound[] = $is;
return;
}
/**
* Remove an already bound stream.
* If $is is not bound, no errors will be raised.
* If the stream currently has any buffered data it will be written to $is
* before unbinding occurs.
*
* @param Swift_InputByteStream $is
*/
public function unbind(Swift_InputByteStream $is)
{
// Don't have to mirror anything
foreach ($this->_bound as $k => $stream) {
if ($stream === $is) {
unset($this->_bound[$k]);
return;
}
}
return;
}
/**
* Flush the contents of the stream (empty it) and set the internal pointer
* to the beginning.
*
* @throws Swift_IoException
*/
public function flushBuffers()
{
$this->reset();
}
/**
* Set hash_algorithm, must be one of rsa-sha256 | rsa-sha1 defaults to rsa-sha256
*
* @param string $hash
* @return Swift_Signers_DKIMSigner
*/
public function setHashAlgorithm($hash)
{
// Unable to sign with rsa-sha256
if ($hash == 'rsa-sha1') {
$this->_hashAlgorithm = 'rsa-sha1';
} else {
$this->_hashAlgorithm = 'rsa-sha256';
}
return $this;
}
/**
* Set the body canonicalization algorithm
*
* @param string $canon
* @return Swift_Signers_DKIMSigner
*/
public function setBodyCanon($canon)
{
if ($canon == 'relaxed') {
$this->_bodyCanon = 'relaxed';
} else {
$this->_bodyCanon = 'simple';
}
return $this;
}
/**
* Set the header canonicalization algorithm
*
* @param string $canon
* @return Swift_Signers_DKIMSigner
*/
public function setHeaderCanon($canon)
{
if ($canon == 'relaxed') {
$this->_headerCanon = 'relaxed';
} else {
$this->_headerCanon = 'simple';
}
return $this;
}
/**
* Set the signer identity
*
* @param string $identity
* @return Swift_Signers_DKIMSigner
*/
public function setSignerIdentity($identity)
{
$this->_signerIdentity = $identity;
return $this;
}
/**
* Set the length of the body to sign
*
* @param mixed $len (bool or int)
* @return Swift_Signers_DKIMSigner
*/
public function setBodySignedLen($len)
{
if ($len === true) {
$this->_showLen = true;
$this->_maxLen = PHP_INT_MAX;
} elseif ($len === false) {
$this->showLen = false;
$this->_maxLen = PHP_INT_MAX;
} else {
$this->_showLen = true;
$this->_maxLen = (int) $len;
}
return $this;
}
/**
* Set the signature timestamp
*
* @param timestamp $time
* @return Swift_Signers_DKIMSigner
*/
public function setSignatureTimestamp($time)
{
$this->_signatureTimestamp = $time;
return $this;
}
/**
* Set the signature expiration timestamp
*
* @param timestamp $time
* @return Swift_Signers_DKIMSigner
*/
public function setSignatureExpiration($time)
{
$this->_signatureExpiration = $time;
return $this;
}
/**
* Enable / disable the DebugHeaders
*
* @param bool $debug
* @return Swift_Signers_DKIMSigner
*/
public function setDebugHeaders($debug)
{
$this->_debugHeaders = (bool) $debug;
return $this;
}
/**
* Start Body
*
*/
public function startBody()
{
// Init
switch ($this->_hashAlgorithm) {
case 'rsa-sha256' :
$this->_bodyHashHandler = hash_init('sha256');
break;
case 'rsa-sha1' :
$this->_bodyHashHandler = hash_init('sha1');
break;
}
$this->_bodyCanonLine = '';
}
/**
* End Body
*
*/
public function endBody()
{
$this->_endOfBody();
}
/**
* Returns the list of Headers Tampered by this plugin
*
* @return array
*/
public function getAlteredHeaders()
{
if ($this->_debugHeaders) {
return array('DKIM-Signature', 'X-DebugHash');
} else {
return array('DKIM-Signature');
}
}
/**
* Adds an ignored Header
*
* @param string $header_name
* @return Swift_Signers_DKIMSigner
*/
public function ignoreHeader($header_name)
{
$this->_ignoredHeaders[strtolower($header_name)] = true;
return $this;
}
/**
* Set the headers to sign
*
* @param Swift_Mime_HeaderSet $headers
* @return Swift_Signers_DKIMSigner
*/
public function setHeaders(Swift_Mime_HeaderSet $headers)
{
$this->_headerCanonData = '';
// Loop through Headers
$listHeaders = $headers->listAll();
foreach ($listHeaders as $hName) {
// Check if we need to ignore Header
if (! isset($this->_ignoredHeaders[strtolower($hName)])) {
if ($headers->has($hName)) {
$tmp = $headers->getAll($hName);
foreach ($tmp as $header) {
if ($header->getFieldBody() != '') {
$this->_addHeader($header->toString());
$this->_signedHeaders[] = $header->getFieldName();
}
}
}
}
}
return $this;
}
/**
* Add the signature to the given Headers
*
* @param Swift_Mime_HeaderSet $headers
* @return Swift_Signers_DKIMSigner
*/
public function addSignature(Swift_Mime_HeaderSet $headers)
{
// Prepare the DKIM-Signature
$params = array('v' => '1', 'a' => $this->_hashAlgorithm, 'bh' => base64_encode($this->_bodyHash), 'd' => $this->_domainName, 'h' => implode(': ', $this->_signedHeaders), 'i' => $this->_signerIdentity, 's' => $this->_selector);
if ($this->_bodyCanon != 'simple') {
$params['c'] = $this->_headerCanon.'/'.$this->_bodyCanon;
} elseif ($this->_headerCanon != 'simple') {
$params['c'] = $this->_headerCanon;
}
if ($this->_showLen) {
$params['l'] = $this->_bodyLen;
}
if ($this->_signatureTimestamp === true) {
$params['t'] = time();
if ($this->_signatureExpiration !== false) {
$params['x'] = $params['t'] + $this->_signatureExpiration;
}
} else {
if ($this->_signatureTimestamp !== false) {
$params['t'] = $this->_signatureTimestamp;
}
if ($this->_signatureExpiration !== false) {
$params['x'] = $this->_signatureExpiration;
}
}
if ($this->_debugHeaders) {
$params['z'] = implode('|', $this->_debugHeadersData);
}
$string = '';
foreach ($params as $k => $v) {
$string .= $k.'='.$v.'; ';
}
$string = trim($string);
$headers->addTextHeader('DKIM-Signature', $string);
// Add the last DKIM-Signature
$tmp = $headers->getAll('DKIM-Signature');
$this->_dkimHeader = end($tmp);
$this->_addHeader(trim($this->_dkimHeader->toString())."\r\n b=", true);
$this->_endOfHeaders();
if ($this->_debugHeaders) {
$headers->addTextHeader('X-DebugHash', base64_encode($this->_headerHash));
}
$this->_dkimHeader->setValue($string." b=".trim(chunk_split(base64_encode($this->_getEncryptedHash()), 73, " ")));
return $this;
}
/* Private helpers */
protected function _addHeader($header, $is_sig = false)
{
switch ($this->_headerCanon) {
case 'relaxed' :
// Prepare Header and cascade
$exploded = explode(':', $header, 2);
$name = strtolower(trim($exploded[0]));
$value = str_replace("\r\n", "", $exploded[1]);
$value = preg_replace("/[ \t][ \t]+/", " ", $value);
$header = $name.":".trim($value).($is_sig ? '' : "\r\n");
case 'simple' :
// Nothing to do
}
$this->_addToHeaderHash($header);
}
protected function _endOfHeaders()
{
//$this->_headerHash=hash_final($this->_headerHashHandler, true);
}
protected function _canonicalizeBody($string)
{
$len = strlen($string);
$canon = '';
$method = ($this->_bodyCanon == "relaxed");
for ($i = 0; $i < $len; ++$i) {
if ($this->_bodyCanonIgnoreStart > 0) {
--$this->_bodyCanonIgnoreStart;
continue;
}
switch ($string[$i]) {
case "\r" :
$this->_bodyCanonLastChar = "\r";
break;
case "\n" :
if ($this->_bodyCanonLastChar == "\r") {
if ($method) {
$this->_bodyCanonSpace = false;
}
if ($this->_bodyCanonLine == '') {
++$this->_bodyCanonEmptyCounter;
} else {
$this->_bodyCanonLine = '';
$canon .= "\r\n";
}
} else {
// Wooops Error
// todo handle it but should never happen
}
break;
case " " :
case "\t" :
if ($method) {
$this->_bodyCanonSpace = true;
break;
}
default :
if ($this->_bodyCanonEmptyCounter > 0) {
$canon .= str_repeat("\r\n", $this->_bodyCanonEmptyCounter);
$this->_bodyCanonEmptyCounter = 0;
}
if ($this->_bodyCanonSpace) {
$this->_bodyCanonLine .= ' ';
$canon .= ' ';
$this->_bodyCanonSpace = false;
}
$this->_bodyCanonLine .= $string[$i];
$canon .= $string[$i];
}
}
$this->_addToBodyHash($canon);
}
protected function _endOfBody()
{
// Add trailing Line return if last line is non empty
if (strlen($this->_bodyCanonLine) > 0) {
$this->_addToBodyHash("\r\n");
}
$this->_bodyHash = hash_final($this->_bodyHashHandler, true);
}
private function _addToBodyHash($string)
{
$len = strlen($string);
if ($len > ($new_len = ($this->_maxLen - $this->_bodyLen))) {
$string = substr($string, 0, $new_len);
$len = $new_len;
}
hash_update($this->_bodyHashHandler, $string);
$this->_bodyLen += $len;
}
private function _addToHeaderHash($header)
{
if ($this->_debugHeaders) {
$this->_debugHeadersData[] = trim($header);
}
$this->_headerCanonData .= $header;
}
/**
* @throws Swift_SwiftException
* @return string
*/
private function _getEncryptedHash()
{
$signature = '';
switch ($this->_hashAlgorithm) {
case 'rsa-sha1':
$algorithm = OPENSSL_ALGO_SHA1;
break;
case 'rsa-sha256':
$algorithm = OPENSSL_ALGO_SHA256;
break;
}
$pkeyId = openssl_get_privatekey($this->_privateKey);
if (!$pkeyId) {
throw new Swift_SwiftException('Unable to load DKIM Private Key ['.openssl_error_string().']');
}
if (openssl_sign($this->_headerCanonData, $signature, $pkeyId, $algorithm)) {
return $signature;
}
throw new Swift_SwiftException('Unable to sign DKIM Hash ['.openssl_error_string().']');
}
}
SMimeSigner.php 0000604 00000034165 15245121145 0007444 0 ustar 00 <?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.
*/
/**
* MIME Message Signer used to apply S/MIME Signature/Encryption to a message.
*
*
* @author Romain-Geissler
* @author Sebastiaan Stok <s.stok@rollerscapes.net>
*/
class Swift_Signers_SMimeSigner implements Swift_Signers_BodySigner
{
protected $signCertificate;
protected $signPrivateKey;
protected $encryptCert;
protected $signThenEncrypt = true;
protected $signLevel;
protected $encryptLevel;
protected $signOptions;
protected $encryptOptions;
protected $encryptCipher;
/**
* @var Swift_StreamFilters_StringReplacementFilterFactory
*/
protected $replacementFactory;
/**
* @var Swift_Mime_HeaderFactory
*/
protected $headerFactory;
/**
* Constructor.
*
* @param string $certificate
* @param string $privateKey
* @param string $encryptCertificate
*/
public function __construct($signCertificate = null, $signPrivateKey = null, $encryptCertificate = null)
{
if (null !== $signPrivateKey) {
$this->setSignCertificate($signCertificate, $signPrivateKey);
}
if (null !== $encryptCertificate) {
$this->setEncryptCertificate($encryptCertificate);
}
$this->replacementFactory = Swift_DependencyContainer::getInstance()
->lookup('transport.replacementfactory');
$this->signOptions = PKCS7_DETACHED;
// Supported since php5.4
if (defined('OPENSSL_CIPHER_AES_128_CBC')) {
$this->encryptCipher = OPENSSL_CIPHER_AES_128_CBC;
} else {
$this->encryptCipher = OPENSSL_CIPHER_RC2_128;
}
}
/**
* Returns an new Swift_Signers_SMimeSigner instance.
*
* @param string $certificate
* @param string $privateKey
*
* @return Swift_Signers_SMimeSigner
*/
public static function newInstance($certificate = null, $privateKey = null)
{
return new self($certificate, $privateKey);
}
/**
* Set the certificate location to use for signing.
*
* @link http://www.php.net/manual/en/openssl.pkcs7.flags.php
*
* @param string $certificate
* @param string|array $privateKey If the key needs an passphrase use array('file-location', 'passphrase') instead
* @param int $signOptions Bitwise operator options for openssl_pkcs7_sign()
*
* @return Swift_Signers_SMimeSigner
*/
public function setSignCertificate($certificate, $privateKey = null, $signOptions = PKCS7_DETACHED)
{
$this->signCertificate = 'file://'.str_replace('\\', '/', realpath($certificate));
if (null !== $privateKey) {
if (is_array($privateKey)) {
$this->signPrivateKey = $privateKey;
$this->signPrivateKey[0] = 'file://'.str_replace('\\', '/', realpath($privateKey[0]));
} else {
$this->signPrivateKey = 'file://'.str_replace('\\', '/', realpath($privateKey));
}
}
$this->signOptions = $signOptions;
return $this;
}
/**
* Set the certificate location to use for encryption.
*
* @link http://www.php.net/manual/en/openssl.pkcs7.flags.php
* @link http://nl3.php.net/manual/en/openssl.ciphers.php
*
* @param string|array $recipientCerts Either an single X.509 certificate, or an assoc array of X.509 certificates.
* @param int $cipher
*
* @return Swift_Signers_SMimeSigner
*/
public function setEncryptCertificate($recipientCerts, $cipher = null)
{
if (is_array($recipientCerts)) {
$this->encryptCert = array();
foreach ($recipientCerts as $cert) {
$this->encryptCert[] = 'file://'.str_replace('\\', '/', realpath($cert));
}
} else {
$this->encryptCert = 'file://'.str_replace('\\', '/', realpath($recipientCerts));
}
if (null !== $cipher) {
$this->encryptCipher = $cipher;
}
return $this;
}
/**
* @return string
*/
public function getSignCertificate()
{
return $this->signCertificate;
}
/**
* @return string
*/
public function getSignPrivateKey()
{
return $this->signPrivateKey;
}
/**
* Set perform signing before encryption.
*
* The default is to first sign the message and then encrypt.
* But some older mail clients, namely Microsoft Outlook 2000 will work when the message first encrypted.
* As this goes against the official specs, its recommended to only use 'encryption -> signing' when specifically targeting these 'broken' clients.
*
* @param string $signThenEncrypt
*
* @return Swift_Signers_SMimeSigner
*/
public function setSignThenEncrypt($signThenEncrypt = true)
{
$this->signThenEncrypt = $signThenEncrypt;
return $this;
}
/**
* @return bool
*/
public function isSignThenEncrypt()
{
return $this->signThenEncrypt;
}
/**
* Resets internal states.
*
* @return Swift_Signers_SMimeSigner
*/
public function reset()
{
return $this;
}
/**
* Change the Swift_Message to apply the signing.
*
* @param Swift_Message $message
*
* @return Swift_Signers_SMimeSigner
*/
public function signMessage(Swift_Message $message)
{
if (null === $this->signCertificate && null === $this->encryptCert) {
return $this;
}
// Store the message using ByteStream to a file{1}
// Remove all Children
// Sign file{1}, parse the new MIME headers and set them on the primary MimeEntity
// Set the singed-body as the new body (without boundary)
$messageStream = new Swift_ByteStream_TemporaryFileByteStream();
$this->toSMimeByteStream($messageStream, $message);
$message->setEncoder(Swift_DependencyContainer::getInstance()->lookup('mime.rawcontentencoder'));
$message->setChildren(array());
$this->streamToMime($messageStream, $message);
}
/**
* Return the list of header a signer might tamper.
*
* @return array
*/
public function getAlteredHeaders()
{
return array('Content-Type', 'Content-Transfer-Encoding', 'Content-Disposition');
}
/**
* @param Swift_InputByteStream $inputStream
* @param Swift_Message $mimeEntity
*/
protected function toSMimeByteStream(Swift_InputByteStream $inputStream, Swift_Message $message)
{
$mimeEntity = $this->createMessage($message);
$messageStream = new Swift_ByteStream_TemporaryFileByteStream();
$mimeEntity->toByteStream($messageStream);
$messageStream->commit();
if (null !== $this->signCertificate && null !== $this->encryptCert) {
$temporaryStream = new Swift_ByteStream_TemporaryFileByteStream();
if ($this->signThenEncrypt) {
$this->messageStreamToSignedByteStream($messageStream, $temporaryStream);
$this->messageStreamToEncryptedByteStream($temporaryStream, $inputStream);
} else {
$this->messageStreamToEncryptedByteStream($messageStream, $temporaryStream);
$this->messageStreamToSignedByteStream($temporaryStream, $inputStream);
}
} elseif ($this->signCertificate !== null) {
$this->messageStreamToSignedByteStream($messageStream, $inputStream);
} else {
$this->messageStreamToEncryptedByteStream($messageStream, $inputStream);
}
}
/**
* @param Swift_Message $message
*
* @return Swift_Message
*/
protected function createMessage(Swift_Message $message)
{
$mimeEntity = new Swift_Message('', $message->getBody(), $message->getContentType(), $message->getCharset());
$mimeEntity->setChildren($message->getChildren());
$messageHeaders = $mimeEntity->getHeaders();
$messageHeaders->remove('Message-ID');
$messageHeaders->remove('Date');
$messageHeaders->remove('Subject');
$messageHeaders->remove('MIME-Version');
$messageHeaders->remove('To');
$messageHeaders->remove('From');
return $mimeEntity;
}
/**
* @param Swift_FileStream $outputStream
* @param Swift_InputByteStream $inputStream
*
* @throws Swift_IoException
*/
protected function messageStreamToSignedByteStream(Swift_FileStream $outputStream, Swift_InputByteStream $inputStream)
{
$signedMessageStream = new Swift_ByteStream_TemporaryFileByteStream();
if (!openssl_pkcs7_sign($outputStream->getPath(), $signedMessageStream->getPath(), $this->signCertificate, $this->signPrivateKey, array(), $this->signOptions)) {
throw new Swift_IoException(sprintf('Failed to sign S/Mime message. Error: "%s".', openssl_error_string()));
}
$this->copyFromOpenSSLOutput($signedMessageStream, $inputStream);
}
/**
* @param Swift_FileStream $outputStream
* @param Swift_InputByteStream $is
*
* @throws Swift_IoException
*/
protected function messageStreamToEncryptedByteStream(Swift_FileStream $outputStream, Swift_InputByteStream $is)
{
$encryptedMessageStream = new Swift_ByteStream_TemporaryFileByteStream();
if (!openssl_pkcs7_encrypt($outputStream->getPath(), $encryptedMessageStream->getPath(), $this->encryptCert, array(), 0, $this->encryptCipher)) {
throw new Swift_IoException(sprintf('Failed to encrypt S/Mime message. Error: "%s".', openssl_error_string()));
}
$this->copyFromOpenSSLOutput($encryptedMessageStream, $is);
}
/**
* @param Swift_OutputByteStream $fromStream
* @param Swift_InputByteStream $toStream
*/
protected function copyFromOpenSSLOutput(Swift_OutputByteStream $fromStream, Swift_InputByteStream $toStream)
{
$bufferLength = 4096;
$filteredStream = new Swift_ByteStream_TemporaryFileByteStream();
$filteredStream->addFilter($this->replacementFactory->createFilter("\r\n", "\n"), 'CRLF to LF');
$filteredStream->addFilter($this->replacementFactory->createFilter("\n", "\r\n"), 'LF to CRLF');
while (false !== ($buffer = $fromStream->read($bufferLength))) {
$filteredStream->write($buffer);
}
$filteredStream->flushBuffers();
while (false !== ($buffer = $filteredStream->read($bufferLength))) {
$toStream->write($buffer);
}
$toStream->commit();
}
/**
* Merges an OutputByteStream to Swift_Message.
*
* @param Swift_OutputByteStream $fromStream
* @param Swift_Message $message
*/
protected function streamToMime(Swift_OutputByteStream $fromStream, Swift_Message $message)
{
$bufferLength = 78;
$headerData = '';
$fromStream->setReadPointer(0);
while (($buffer = $fromStream->read($bufferLength)) !== false) {
$headerData .= $buffer;
if (false !== strpos($buffer, "\r\n\r\n")) {
break;
}
}
$headersPosEnd = strpos($headerData, "\r\n\r\n");
$headerData = trim($headerData);
$headerData = substr($headerData, 0, $headersPosEnd);
$headerLines = explode("\r\n", $headerData);
unset($headerData);
$headers = array();
$currentHeaderName = '';
foreach ($headerLines as $headerLine) {
// Line separated
if (ctype_space($headerLines[0]) || false === strpos($headerLine, ':')) {
$headers[$currentHeaderName] .= ' '.trim($headerLine);
continue;
}
$header = explode(':', $headerLine, 2);
$currentHeaderName = strtolower($header[0]);
$headers[$currentHeaderName] = trim($header[1]);
}
$messageStream = new Swift_ByteStream_TemporaryFileByteStream();
$messageStream->addFilter($this->replacementFactory->createFilter("\r\n", "\n"), 'CRLF to LF');
$messageStream->addFilter($this->replacementFactory->createFilter("\n", "\r\n"), 'LF to CRLF');
$messageHeaders = $message->getHeaders();
// No need to check for 'application/pkcs7-mime', as this is always base64
if ('multipart/signed;' === substr($headers['content-type'], 0, 17)) {
if (!preg_match('/boundary=("[^"]+"|(?:[^\s]+|$))/is', $headers['content-type'], $contentTypeData)) {
throw new Swift_SwiftException('Failed to find Boundary parameter');
}
$boundary = trim($contentTypeData['1'], '"');
$boundaryLen = strlen($boundary);
// Skip the header and CRLF CRLF
$fromStream->setReadPointer($headersPosEnd + 4);
while (false !== ($buffer = $fromStream->read($bufferLength))) {
$messageStream->write($buffer);
}
$messageStream->commit();
$messageHeaders->remove('Content-Transfer-Encoding');
$message->setContentType($headers['content-type']);
$message->setBoundary($boundary);
$message->setBody($messageStream);
} else {
$fromStream->setReadPointer($headersPosEnd + 4);
if (null === $this->headerFactory) {
$this->headerFactory = Swift_DependencyContainer::getInstance()->lookup('mime.headerfactory');
}
$message->setContentType($headers['content-type']);
$messageHeaders->set($this->headerFactory->createTextHeader('Content-Transfer-Encoding', $headers['content-transfer-encoding']));
$messageHeaders->set($this->headerFactory->createTextHeader('Content-Disposition', $headers['content-disposition']));
while (false !== ($buffer = $fromStream->read($bufferLength))) {
$messageStream->write($buffer);
}
$messageStream->commit();
$message->setBody($messageStream);
}
}
}