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version fonctionnelle

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Daniel Tartavel
2021-06-17 18:35:51 +02:00
parent 3c303efeb9
commit ab2f9b87a7
243 changed files with 23955 additions and 100 deletions
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31
include/swiftmailer/lib/classes/Swift/Signers/BodySigner.php Normal file
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<?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.
*
* @return self
*/
public function signMessage(Swift_Message $message);
/**
* Return the list of header a signer might tamper.
*
* @return array
*/
public function getAlteredHeaders();
}

682
include/swiftmailer/lib/classes/Swift/Signers/DKIMSigner.php Normal file
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<?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;
private $passphrase = '';
/**
* Hash algorithm used.
*
* @see RFC6376 3.3: Signers MUST implement and SHOULD sign using rsa-sha256.
*
* @var string
*/
protected $hashAlgorithm = 'rsa-sha256';
/**
* Body canon method.
*
* @var string
*/
protected $bodyCanon = 'simple';
/**
* Header canon method.
*
* @var string
*/
protected $headerCanon = 'simple';
/**
* Headers not being signed.
*
* @var array
*/
protected $ignoredHeaders = ['return-path' => true];
/**
* Signer identity.
*
* @var string
*/
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, otherwise 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 = [];
/**
* If debugHeaders is set store debugData here.
*
* @var string[]
*/
private $debugHeadersData = [];
/**
* Stores the bodyHash.
*
* @var string
*/
private $bodyHash = '';
/**
* Stores the signature header.
*
* @var Swift_Mime_Headers_ParameterizedHeader
*/
protected $dkimHeader;
private $bodyHashHandler;
private $headerHash;
private $headerCanonData = '';
private $bodyCanonEmptyCounter = 0;
private $bodyCanonIgnoreStart = 2;
private $bodyCanonSpace = false;
private $bodyCanonLastChar = null;
private $bodyCanonLine = '';
private $bound = [];
/**
* Constructor.
*
* @param string $privateKey
* @param string $domainName
* @param string $selector
* @param string $passphrase
*/
public function __construct($privateKey, $domainName, $selector, $passphrase = '')
{
$this->privateKey = $privateKey;
$this->domainName = $domainName;
$this->signerIdentity = '@'.$domainName;
$this->selector = $selector;
$this->passphrase = $passphrase;
}
/**
* Reset the Signer.
*
* @see Swift_Signer::reset()
*/
public function reset()
{
$this->headerHash = null;
$this->signedHeaders = [];
$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 $bytes
*
* @return int
*
* @throws Swift_IoException
*/
// TODO fix return
public function write($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.
*/
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.
*/
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.
*/
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;
}
}
}
/**
* 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.
*
* @param string $hash 'rsa-sha1' or 'rsa-sha256'
*
* @throws Swift_SwiftException
*
* @return $this
*/
public function setHashAlgorithm($hash)
{
switch ($hash) {
case 'rsa-sha1':
$this->hashAlgorithm = 'rsa-sha1';
break;
case 'rsa-sha256':
$this->hashAlgorithm = 'rsa-sha256';
if (!\defined('OPENSSL_ALGO_SHA256')) {
throw new Swift_SwiftException('Unable to set sha256 as it is not supported by OpenSSL.');
}
break;
default:
throw new Swift_SwiftException('Unable to set the hash algorithm, must be one of rsa-sha1 or rsa-sha256 (%s given).', $hash);
}
return $this;
}
/**
* Set the body canonicalization algorithm.
*
* @param string $canon
*
* @return $this
*/
public function setBodyCanon($canon)
{
if ('relaxed' == $canon) {
$this->bodyCanon = 'relaxed';
} else {
$this->bodyCanon = 'simple';
}
return $this;
}
/**
* Set the header canonicalization algorithm.
*
* @param string $canon
*
* @return $this
*/
public function setHeaderCanon($canon)
{
if ('relaxed' == $canon) {
$this->headerCanon = 'relaxed';
} else {
$this->headerCanon = 'simple';
}
return $this;
}
/**
* Set the signer identity.
*
* @param string $identity
*
* @return $this
*/
public function setSignerIdentity($identity)
{
$this->signerIdentity = $identity;
return $this;
}
/**
* Set the length of the body to sign.
*
* @param mixed $len (bool or int)
*
* @return $this
*/
public function setBodySignedLen($len)
{
if (true === $len) {
$this->showLen = true;
$this->maxLen = PHP_INT_MAX;
} elseif (false === $len) {
$this->showLen = false;
$this->maxLen = PHP_INT_MAX;
} else {
$this->showLen = true;
$this->maxLen = (int) $len;
}
return $this;
}
/**
* Set the signature timestamp.
*
* @param int $time A timestamp
*
* @return $this
*/
public function setSignatureTimestamp($time)
{
$this->signatureTimestamp = $time;
return $this;
}
/**
* Set the signature expiration timestamp.
*
* @param int $time A timestamp
*
* @return $this
*/
public function setSignatureExpiration($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 ['DKIM-Signature', 'X-DebugHash'];
} else {
return ['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.
*
* @return Swift_Signers_DKIMSigner
*/
public function setHeaders(Swift_Mime_SimpleHeaderSet $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.
*
* @return Swift_Signers_DKIMSigner
*/
public function addSignature(Swift_Mime_SimpleHeaderSet $headers)
{
// Prepare the DKIM-Signature
$params = ['v' => '1', 'a' => $this->hashAlgorithm, 'bh' => base64_encode($this->bodyHash), 'd' => $this->domainName, 'h' => implode(': ', $this->signedHeaders), 'i' => $this->signerIdentity, 's' => $this->selector];
if ('simple' != $this->bodyCanon) {
$params['c'] = $this->headerCanon.'/'.$this->bodyCanon;
} elseif ('simple' != $this->headerCanon) {
$params['c'] = $this->headerCanon;
}
if ($this->showLen) {
$params['l'] = $this->bodyLen;
}
if (true === $this->signatureTimestamp) {
$params['t'] = time();
if (false !== $this->signatureExpiration) {
$params['x'] = $params['t'] + $this->signatureExpiration;
}
} else {
if (false !== $this->signatureTimestamp) {
$params['t'] = $this->signatureTimestamp;
}
if (false !== $this->signatureExpiration) {
$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);
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");
// no break
case 'simple':
// Nothing to do
}
$this->addToHeaderHash($header);
}
protected function canonicalizeBody($string)
{
$len = \strlen($string);
$canon = '';
$method = ('relaxed' == $this->bodyCanon);
for ($i = 0; $i < $len; ++$i) {
if ($this->bodyCanonIgnoreStart > 0) {
--$this->bodyCanonIgnoreStart;
continue;
}
switch ($string[$i]) {
case "\r":
$this->bodyCanonLastChar = "\r";
break;
case "\n":
if ("\r" == $this->bodyCanonLastChar) {
if ($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) {
$this->bodyCanonSpace = true;
break;
}
// no break
default:
if ($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, $this->passphrase);
if (!$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().']');
}
}

504
include/swiftmailer/lib/classes/Swift/Signers/DomainKeySigner.php Normal file
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<?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 = [];
/**
* 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 = [];
/**
* Stores the signature header.
*
* @var Swift_Mime_Headers_ParameterizedHeader
*/
protected $domainKeyHeader;
/**
* Hash Handler.
*
* @var resource|null
*/
private $hashHandler;
private $canonData = '';
private $bodyCanonEmptyCounter = 0;
private $bodyCanonIgnoreStart = 2;
private $bodyCanonSpace = false;
private $bodyCanonLastChar = null;
private $bodyCanonLine = '';
private $bound = [];
/**
* 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;
}
/**
* Resets internal states.
*
* @return $this
*/
public function reset()
{
$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 $this
*/
public function write($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 $this
*/
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.
*
* @return $this
*/
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.
*
* @return $this
*/
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]);
break;
}
}
return $this;
}
/**
* Flush the contents of the stream (empty it) and set the internal pointer
* to the beginning.
*
* @throws Swift_IoException
*
* @return $this
*/
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 $this
*/
public function setHashAlgorithm($hash)
{
$this->hashAlgorithm = 'rsa-sha1';
return $this;
}
/**
* Set the canonicalization algorithm.
*
* @param string $canon simple | nofws defaults to simple
*
* @return $this
*/
public function setCanon($canon)
{
if ('nofws' == $canon) {
$this->canon = 'nofws';
} else {
$this->canon = 'simple';
}
return $this;
}
/**
* Set the signer identity.
*
* @param string $identity
*
* @return $this
*/
public function setSignerIdentity($identity)
{
$this->signerIdentity = $identity;
return $this;
}
/**
* Enable / disable the DebugHeaders.
*
* @param bool $debug
*
* @return $this
*/
public function setDebugHeaders($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 ['DomainKey-Signature', 'X-DebugHash'];
}
return ['DomainKey-Signature'];
}
/**
* Adds an ignored Header.
*
* @param string $header_name
*
* @return $this
*/
public function ignoreHeader($header_name)
{
$this->ignoredHeaders[strtolower($header_name)] = true;
return $this;
}
/**
* Set the headers to sign.
*
* @return $this
*/
public function setHeaders(Swift_Mime_SimpleHeaderSet $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.
*
* @return $this
*/
public function addSignature(Swift_Mime_SimpleHeaderSet $headers)
{
// Prepare the DomainKey-Signature Header
$params = ['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";
// no break
case 'simple':
// Nothing to do
}
$this->addToHash($header);
}
protected function endOfHeaders()
{
$this->bodyCanonEmptyCounter = 1;
}
protected function canonicalizeBody($string)
{
$len = \strlen($string);
$canon = '';
$nofws = ('nofws' == $this->canon);
for ($i = 0; $i < $len; ++$i) {
if ($this->bodyCanonIgnoreStart > 0) {
--$this->bodyCanonIgnoreStart;
continue;
}
switch ($string[$i]) {
case "\r":
$this->bodyCanonLastChar = "\r";
break;
case "\n":
if ("\r" == $this->bodyCanonLastChar) {
if ($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) {
$this->bodyCanonSpace = true;
break;
}
// no break
default:
if ($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) {
$this->addToHash("\r\n");
}
}
private function addToHash($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->bodyCanonLine = '';
}
/**
* @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().']');
}
}

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<?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 $header_name
*
* @return self
*/
public function ignoreHeader($header_name);
/**
* Prepare the Signer to get a new Body.
*
* @return self
*/
public function startBody();
/**
* Give the signal that the body has finished streaming.
*
* @return self
*/
public function endBody();
/**
* Give the headers already given.
*
* @return self
*/
public function setHeaders(Swift_Mime_SimpleHeaderSet $headers);
/**
* Add the header(s) to the headerSet.
*
* @return self
*/
public function addSignature(Swift_Mime_SimpleHeaderSet $headers);
/**
* Return the list of header a signer might tamper.
*
* @return array
*/
public function getAlteredHeaders();
}

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<?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>
*
* @deprecated since SwiftMailer 6.1.0; use Swift_Signers_DKIMSigner instead.
*/
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 function addSignature(Swift_Mime_SimpleHeaderSet $headers)
{
$header = new Swift_Mime_Headers_OpenDKIMHeader('DKIM-Signature');
$headerVal = $this->dkimHandler->getSignatureHeader();
if (false === $headerVal || \is_int($headerVal)) {
throw new Swift_SwiftException('OpenDKIM Error: '.$this->dkimHandler->getError());
}
$header->setValue($headerVal);
$headers->set($header);
return $this;
}
public function setHeaders(Swift_Mime_SimpleHeaderSet $headers)
{
$hash = 'rsa-sha1' == $this->hashAlgorithm ? OpenDKIMSign::ALG_RSASHA1 : OpenDKIMSign::ALG_RSASHA256;
$bodyCanon = 'simple' == $this->bodyCanon ? OpenDKIMSign::CANON_SIMPLE : OpenDKIMSign::CANON_RELAXED;
$headerCanon = 'simple' == $this->headerCanon ? OpenDKIMSign::CANON_SIMPLE : OpenDKIMSign::CANON_RELAXED;
$this->dkimHandler = new OpenDKIMSign($this->privateKey, $this->selector, $this->domainName, $headerCanon, $bodyCanon, $hash, -1);
// 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 (true === $this->dropFirstLF) {
if ("\r" == $string[0] && "\n" == $string[1]) {
$string = substr($string, 2);
}
}
$this->dropFirstLF = false;
if (\strlen($string)) {
$this->dkimHandler->body($string);
}
}
}

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<?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>
* @author Jan Flora <jf@penneo.com>
*/
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;
protected $extraCerts = null;
protected $wrapFullMessage = false;
/**
* @var Swift_StreamFilters_StringReplacementFilterFactory
*/
protected $replacementFactory;
/**
* @var Swift_Mime_SimpleHeaderFactory
*/
protected $headerFactory;
/**
* Constructor.
*
* @param string|null $signCertificate
* @param string|null $signPrivateKey
* @param string|null $encryptCertificate
*/
public function __construct($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;
$this->encryptCipher = OPENSSL_CIPHER_AES_128_CBC;
}
/**
* Set the certificate location to use for signing.
*
* @see https://secure.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()
* @param string $extraCerts A file containing intermediate certificates needed by the signing certificate
*
* @return $this
*/
public function setSignCertificate($certificate, $privateKey = null, $signOptions = PKCS7_DETACHED, $extraCerts = null)
{
$this->signCertificate = 'file://'.str_replace('\\', '/', realpath($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;
$this->extraCerts = $extraCerts ? realpath($extraCerts) : null;
return $this;
}
/**
* Set the certificate location to use for encryption.
*
* @see https://secure.php.net/manual/en/openssl.pkcs7.flags.php
* @see https://secure.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 $this
*/
public function setEncryptCertificate($recipientCerts, $cipher = null)
{
if (\is_array($recipientCerts)) {
$this->encryptCert = [];
foreach ($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 bool $signThenEncrypt
*
* @return $this
*/
public function setSignThenEncrypt($signThenEncrypt = true)
{
$this->signThenEncrypt = $signThenEncrypt;
return $this;
}
/**
* @return bool
*/
public function isSignThenEncrypt()
{
return $this->signThenEncrypt;
}
/**
* Resets internal states.
*
* @return $this
*/
public function reset()
{
return $this;
}
/**
* Specify whether to wrap the entire MIME message in the S/MIME message.
*
* According to RFC5751 section 3.1:
* In order to protect outer, non-content-related message header fields
* (for instance, the "Subject", "To", "From", and "Cc" fields), the
* sending client MAY wrap a full MIME message in a message/rfc822
* wrapper in order to apply S/MIME security services to these header
* fields. It is up to the receiving client to decide how to present
* this "inner" header along with the unprotected "outer" header.
*
* @param bool $wrap
*
* @return $this
*/
public function setWrapFullMessage($wrap)
{
$this->wrapFullMessage = $wrap;
}
/**
* Change the Swift_Message to apply the signing.
*
* @return $this
*/
public function signMessage(Swift_Message $message)
{
if (null === $this->signCertificate && null === $this->encryptCert) {
return $this;
}
if ($this->signThenEncrypt) {
$this->smimeSignMessage($message);
$this->smimeEncryptMessage($message);
} else {
$this->smimeEncryptMessage($message);
$this->smimeSignMessage($message);
}
}
/**
* Return the list of header a signer might tamper.
*
* @return array
*/
public function getAlteredHeaders()
{
return ['Content-Type', 'Content-Transfer-Encoding', 'Content-Disposition'];
}
/**
* Sign a Swift message.
*/
protected function smimeSignMessage(Swift_Message $message)
{
// If we don't have a certificate we can't sign the message
if (null === $this->signCertificate) {
return;
}
// Work on a clone of the original message
$signMessage = clone $message;
$signMessage->clearSigners();
if ($this->wrapFullMessage) {
// The original message essentially becomes the body of the new
// wrapped message
$signMessage = $this->wrapMimeMessage($signMessage);
} else {
// Only keep header needed to parse the body correctly
$this->clearAllHeaders($signMessage);
$this->copyHeaders(
$message,
$signMessage,
[
'Content-Type',
'Content-Transfer-Encoding',
'Content-Disposition',
]
);
}
// Copy the cloned message into a temporary file stream
$messageStream = new Swift_ByteStream_TemporaryFileByteStream();
$signMessage->toByteStream($messageStream);
$messageStream->commit();
$signedMessageStream = new Swift_ByteStream_TemporaryFileByteStream();
// Sign the message using openssl
if (!openssl_pkcs7_sign(
$messageStream->getPath(),
$signedMessageStream->getPath(),
$this->signCertificate,
$this->signPrivateKey,
[],
$this->signOptions,
$this->extraCerts
)
) {
throw new Swift_IoException(sprintf('Failed to sign S/Mime message. Error: "%s".', openssl_error_string()));
}
// Parse the resulting signed message content back into the Swift message
// preserving the original headers
$this->parseSSLOutput($signedMessageStream, $message);
}
/**
* Encrypt a Swift message.
*/
protected function smimeEncryptMessage(Swift_Message $message)
{
// If we don't have a certificate we can't encrypt the message
if (null === $this->encryptCert) {
return;
}
// Work on a clone of the original message
$encryptMessage = clone $message;
$encryptMessage->clearSigners();
if ($this->wrapFullMessage) {
// The original message essentially becomes the body of the new
// wrapped message
$encryptMessage = $this->wrapMimeMessage($encryptMessage);
} else {
// Only keep header needed to parse the body correctly
$this->clearAllHeaders($encryptMessage);
$this->copyHeaders(
$message,
$encryptMessage,
[
'Content-Type',
'Content-Transfer-Encoding',
'Content-Disposition',
]
);
}
// Convert the message content (including headers) to a string
// and place it in a temporary file
$messageStream = new Swift_ByteStream_TemporaryFileByteStream();
$encryptMessage->toByteStream($messageStream);
$messageStream->commit();
$encryptedMessageStream = new Swift_ByteStream_TemporaryFileByteStream();
// Encrypt the message
if (!openssl_pkcs7_encrypt(
$messageStream->getPath(),
$encryptedMessageStream->getPath(),
$this->encryptCert,
[],
0,
$this->encryptCipher
)
) {
throw new Swift_IoException(sprintf('Failed to encrypt S/Mime message. Error: "%s".', openssl_error_string()));
}
// Parse the resulting signed message content back into the Swift message
// preserving the original headers
$this->parseSSLOutput($encryptedMessageStream, $message);
}
/**
* Copy named headers from one Swift message to another.
*/
protected function copyHeaders(
Swift_Message $fromMessage,
Swift_Message $toMessage,
array $headers = []
) {
foreach ($headers as $header) {
$this->copyHeader($fromMessage, $toMessage, $header);
}
}
/**
* Copy a single header from one Swift message to another.
*
* @param string $headerName
*/
protected function copyHeader(Swift_Message $fromMessage, Swift_Message $toMessage, $headerName)
{
$header = $fromMessage->getHeaders()->get($headerName);
if (!$header) {
return;
}
$headers = $toMessage->getHeaders();
switch ($header->getFieldType()) {
case Swift_Mime_Header::TYPE_TEXT:
$headers->addTextHeader($header->getFieldName(), $header->getValue());
break;
case Swift_Mime_Header::TYPE_PARAMETERIZED:
$headers->addParameterizedHeader(
$header->getFieldName(),
$header->getValue(),
$header->getParameters()
);
break;
}
}
/**
* Remove all headers from a Swift message.
*/
protected function clearAllHeaders(Swift_Message $message)
{
$headers = $message->getHeaders();
foreach ($headers->listAll() as $header) {
$headers->removeAll($header);
}
}
/**
* Wraps a Swift_Message in a message/rfc822 MIME part.
*
* @return Swift_MimePart
*/
protected function wrapMimeMessage(Swift_Message $message)
{
// Start by copying the original message into a message stream
$messageStream = new Swift_ByteStream_TemporaryFileByteStream();
$message->toByteStream($messageStream);
$messageStream->commit();
// Create a new MIME part that wraps the original stream
$wrappedMessage = new Swift_MimePart($messageStream, 'message/rfc822');
$wrappedMessage->setEncoder(new Swift_Mime_ContentEncoder_PlainContentEncoder('7bit'));
return $wrappedMessage;
}
protected function parseSSLOutput(Swift_InputByteStream $inputStream, Swift_Message $message)
{
$messageStream = new Swift_ByteStream_TemporaryFileByteStream();
$this->copyFromOpenSSLOutput($inputStream, $messageStream);
$this->streamToMime($messageStream, $message);
}
/**
* Merges an OutputByteStream from OpenSSL to a Swift_Message.
*/
protected function streamToMime(Swift_OutputByteStream $fromStream, Swift_Message $message)
{
// Parse the stream into headers and body
list($headers, $messageStream) = $this->parseStream($fromStream);
// Get the original message headers
$messageHeaders = $message->getHeaders();
// Let the stream determine the headers describing the body content,
// since the body of the original message is overwritten by the body
// coming from the stream.
// These are all content-* headers.
// Default transfer encoding is 7bit if not set
$encoding = '';
// Remove all existing transfer encoding headers
$messageHeaders->removeAll('Content-Transfer-Encoding');
// See whether the stream sets the transfer encoding
if (isset($headers['content-transfer-encoding'])) {
$encoding = $headers['content-transfer-encoding'];
}
// We use the null content encoder, since the body is already encoded
// according to the transfer encoding specified in the stream
$message->setEncoder(new Swift_Mime_ContentEncoder_NullContentEncoder($encoding));
// Set the disposition, if present
if (isset($headers['content-disposition'])) {
$messageHeaders->addTextHeader('Content-Disposition', $headers['content-disposition']);
}
// Copy over the body from the stream using the content type dictated
// by the stream content
$message->setChildren([]);
$message->setBody($messageStream, $headers['content-type']);
}
/**
* This message will parse the headers of a MIME email byte stream
* and return an array that contains the headers as an associative
* array and the email body as a string.
*
* @return array
*/
protected function parseStream(Swift_OutputByteStream $emailStream)
{
$bufferLength = 78;
$headerData = '';
$headerBodySeparator = "\r\n\r\n";
$emailStream->setReadPointer(0);
// Read out the headers section from the stream to a string
while (false !== ($buffer = $emailStream->read($bufferLength))) {
$headerData .= $buffer;
$headersPosEnd = strpos($headerData, $headerBodySeparator);
// Stop reading if we found the end of the headers
if (false !== $headersPosEnd) {
break;
}
}
// Split the header data into lines
$headerData = trim(substr($headerData, 0, $headersPosEnd));
$headerLines = explode("\r\n", $headerData);
unset($headerData);
$headers = [];
$currentHeaderName = '';
// Transform header lines into an associative array
foreach ($headerLines as $headerLine) {
// Handle headers that span multiple lines
if (false === strpos($headerLine, ':')) {
$headers[$currentHeaderName] .= ' '.trim($headerLine);
continue;
}
$header = explode(':', $headerLine, 2);
$currentHeaderName = strtolower($header[0]);
$headers[$currentHeaderName] = trim($header[1]);
}
// Read the entire email body into a byte stream
$bodyStream = new Swift_ByteStream_TemporaryFileByteStream();
// Skip the header and separator and point to the body
$emailStream->setReadPointer($headersPosEnd + \strlen($headerBodySeparator));
while (false !== ($buffer = $emailStream->read($bufferLength))) {
$bodyStream->write($buffer);
}
$bodyStream->commit();
return [$headers, $bodyStream];
}
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();
}
}