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Upgrade PHPMailer from 5.2.14 to 5.2.21. 

The full list of changes is available here:
https://github.com/PHPMailer/PHPMailer/compare/v5.2.14...v5.2.21

Props sebastian.pisula, MattyRob, sfpt, dd32.
Fixes #37210 for trunk.

Built from https://develop.svn.wordpress.org/trunk@39645


git-svn-id: http://core.svn.wordpress.org/trunk@39585 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dion Hulse 2016-12-29 02:53:44 +00:00
parent 4efebd4b71
commit 24767c76d3
3 changed files with 344 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

334
wp-includes/class-phpmailer.php
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@ -31,7 +31,7 @@ class PHPMailer
* The PHPMailer Version number.
* @var string
*/
public $Version = '5.2.14';
public $Version = '5.2.21';
/**
* Email priority.
@ -201,6 +201,9 @@ class PHPMailer
/**
* An ID to be used in the Message-ID header.
* If empty, a unique id will be generated.
* You can set your own, but it must be in the format "<id@domain>",
* as defined in RFC5322 section 3.6.4 or it will be ignored.
* @see https://tools.ietf.org/html/rfc5322#section-3.6.4
* @var string
*/
public $MessageID = '';
@ -285,7 +288,7 @@ class PHPMailer
/**
* SMTP auth type.
* Options are LOGIN (default), PLAIN, NTLM, CRAM-MD5
* Options are CRAM-MD5, LOGIN, PLAIN, attempted in that order if not specified
* @var string
*/
public $AuthType = '';
@ -352,6 +355,7 @@ class PHPMailer
/**
* Whether to split multiple to addresses into multiple messages
* or send them all in one message.
* Only supported in `mail` and `sendmail` transports, not in SMTP.
* @var boolean
*/
public $SingleTo = false;
@ -394,7 +398,7 @@ class PHPMailer
/**
* DKIM Identity.
* Usually the email address used as the source of the email
* Usually the email address used as the source of the email.
* @var string
*/
public $DKIM_identity = '';
@ -419,6 +423,13 @@ class PHPMailer
*/
public $DKIM_private = '';
/**
* DKIM private key string.
* If set, takes precedence over `$DKIM_private`.
* @var string
*/
public $DKIM_private_string = '';
/**
* Callback Action function name.
*
@ -446,6 +457,15 @@ class PHPMailer
*/
public $XMailer = '';
/**
* Which validator to use by default when validating email addresses.
* May be a callable to inject your own validator, but there are several built-in validators.
* @see PHPMailer::validateAddress()
* @var string|callable
* @static
*/
public static $validator = 'auto';
/**
* An instance of the SMTP sender class.
* @var SMTP
@ -634,9 +654,11 @@ class PHPMailer
* Constructor.
* @param boolean $exceptions Should we throw external exceptions?
*/
public function __construct($exceptions = false)
public function __construct($exceptions = null)
{
$this->exceptions = (boolean)$exceptions;
if ($exceptions !== null) {
$this->exceptions = (boolean)$exceptions;
}
}
/**
@ -645,9 +667,7 @@ class PHPMailer
public function __destruct()
{
//Close any open SMTP connection nicely
if ($this->Mailer == 'smtp') {
$this->smtpClose();
}
$this->smtpClose();
}
/**
@ -671,14 +691,16 @@ class PHPMailer
} else {
$subject = $this->encodeHeader($this->secureHeader($subject));
}
if (ini_get('safe_mode') || !($this->UseSendmailOptions)) {
//Can't use additional_parameters in safe_mode, calling mail() with null params breaks
//@link http://php.net/manual/en/function.mail.php
if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) {
$result = @mail($to, $subject, $body, $header);
} else {
$result = @mail($to, $subject, $body, $header, $params);
}
return $result;
}
/**
* Output debugging info via user-defined method.
* Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
@ -713,7 +735,7 @@ class PHPMailer
case 'echo':
default:
//Normalize line breaks
$str = preg_replace('/(\r\n|\r|\n)/ms', "\n", $str);
$str = preg_replace('/\r\n?/ms', "\n", $str);
echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
"\n",
"\n \t ",
@ -850,7 +872,7 @@ class PHPMailer
$name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
if (($pos = strrpos($address, '@')) === false) {
// At-sign is misssing.
$error_message = $this->lang('invalid_address') . $address;
$error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
$this->setError($error_message);
$this->edebug($error_message);
if ($this->exceptions) {
@ -900,7 +922,7 @@ class PHPMailer
return false;
}
if (!$this->validateAddress($address)) {
$error_message = $this->lang('invalid_address') . $address;
$error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
$this->setError($error_message);
$this->edebug($error_message);
if ($this->exceptions) {
@ -923,6 +945,61 @@ class PHPMailer
return false;
}
/**
* Parse and validate a string containing one or more RFC822-style comma-separated email addresses
* of the form "display name <address>" into an array of name/address pairs.
* Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
* Note that quotes in the name part are removed.
* @param string $addrstr The address list string
* @param bool $useimap Whether to use the IMAP extension to parse the list
* @return array
* @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
*/
public function parseAddresses($addrstr, $useimap = true)
{
$addresses = array();
if ($useimap and function_exists('imap_rfc822_parse_adrlist')) {
//Use this built-in parser if it's available
$list = imap_rfc822_parse_adrlist($addrstr, '');
foreach ($list as $address) {
if ($address->host != '.SYNTAX-ERROR.') {
if ($this->validateAddress($address->mailbox . '@' . $address->host)) {
$addresses[] = array(
'name' => (property_exists($address, 'personal') ? $address->personal : ''),
'address' => $address->mailbox . '@' . $address->host
);
}
}
}
} else {
//Use this simpler parser
$list = explode(',', $addrstr);
foreach ($list as $address) {
$address = trim($address);
//Is there a separate name part?
if (strpos($address, '<') === false) {
//No separate name, just use the whole thing
if ($this->validateAddress($address)) {
$addresses[] = array(
'name' => '',
'address' => $address
);
}
} else {
list($name, $email) = explode('<', $address);
$email = trim(str_replace('>', '', $email));
if ($this->validateAddress($email)) {
$addresses[] = array(
'name' => trim(str_replace(array('"', "'"), '', $name)),
'address' => $email
);
}
}
}
}
return $addresses;
}
/**
* Set the From and FromName properties.
* @param string $address
@ -939,7 +1016,7 @@ class PHPMailer
if (($pos = strrpos($address, '@')) === false or
(!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and
!$this->validateAddress($address)) {
$error_message = $this->lang('invalid_address') . $address;
$error_message = $this->lang('invalid_address') . " (setFrom) $address";
$this->setError($error_message);
$this->edebug($error_message);
if ($this->exceptions) {
@ -972,19 +1049,30 @@ class PHPMailer
/**
* Check that a string looks like an email address.
* @param string $address The email address to check
* @param string $patternselect A selector for the validation pattern to use :
* @param string|callable $patternselect A selector for the validation pattern to use :
* * `auto` Pick best pattern automatically;
* * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
* * `pcre` Use old PCRE implementation;
* * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
* * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
* * `noregex` Don't use a regex: super fast, really dumb.
* Alternatively you may pass in a callable to inject your own validator, for example:
* PHPMailer::validateAddress('user@example.com', function($address) {
* return (strpos($address, '@') !== false);
* });
* You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
* @return boolean
* @static
* @access public
*/
public static function validateAddress($address, $patternselect = 'auto')
public static function validateAddress($address, $patternselect = null)
{
if (is_null($patternselect)) {
$patternselect = self::$validator;
}
if (is_callable($patternselect)) {
return call_user_func($patternselect, $address);
}
//Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
if (strpos($address, "\n") !== false or strpos($address, "\r") !== false) {
return false;
@ -1161,7 +1249,7 @@ class PHPMailer
}
$this->$address_kind = $this->punyencodeAddress($this->$address_kind);
if (!$this->validateAddress($this->$address_kind)) {
$error_message = $this->lang('invalid_address') . $this->$address_kind;
$error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind;
$this->setError($error_message);
$this->edebug($error_message);
if ($this->exceptions) {
@ -1172,7 +1260,7 @@ class PHPMailer
}
// Set whether the message is multipart/alternative
if (!empty($this->AltBody)) {
if ($this->alternativeExists()) {
$this->ContentType = 'multipart/alternative';
}
@ -1206,9 +1294,11 @@ class PHPMailer
// Sign with DKIM if enabled
if (!empty($this->DKIM_domain)
&& !empty($this->DKIM_private)
&& !empty($this->DKIM_selector)
&& file_exists($this->DKIM_private)) {
&& (!empty($this->DKIM_private_string)
|| (!empty($this->DKIM_private) && file_exists($this->DKIM_private))
)
) {
$header_dkim = $this->DKIM_Add(
$this->MIMEHeader . $this->mailHeader,
$this->encodeHeader($this->secureHeader($this->Subject)),
@ -1274,19 +1364,24 @@ class PHPMailer
*/
protected function sendmailSend($header, $body)
{
if ($this->Sender != '') {
// CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
if (!empty($this->Sender) and self::isShellSafe($this->Sender)) {
if ($this->Mailer == 'qmail') {
$sendmail = sprintf('%s -f%s', escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
$sendmailFmt = '%s -f%s';
} else {
$sendmail = sprintf('%s -oi -f%s -t', escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
$sendmailFmt = '%s -oi -f%s -t';
}
} else {
if ($this->Mailer == 'qmail') {
$sendmail = sprintf('%s', escapeshellcmd($this->Sendmail));
$sendmailFmt = '%s';
} else {
$sendmail = sprintf('%s -oi -t', escapeshellcmd($this->Sendmail));
$sendmailFmt = '%s -oi -t';
}
}
// TODO: If possible, this should be changed to escapeshellarg. Needs thorough testing.
$sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);
if ($this->SingleTo) {
foreach ($this->SingleToArray as $toAddr) {
if (!@$mail = popen($sendmail, 'w')) {
@ -1332,6 +1427,40 @@ class PHPMailer
return true;
}
/**
* Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
*
* Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
* @param string $string The string to be validated
* @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
* @access protected
* @return boolean
*/
protected static function isShellSafe($string)
{
// Future-proof
if (escapeshellcmd($string) !== $string
or !in_array(escapeshellarg($string), array("'$string'", "\"$string\""))
) {
return false;
}
$length = strlen($string);
for ($i = 0; $i < $length; $i++) {
$c = $string[$i];
// All other characters have a special meaning in at least one common shell, including = and +.
// Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
// Note that this does permit non-Latin alphanumeric characters based on the current locale.
if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
return false;
}
}
return true;
}
/**
* Send mail using the PHP mail() function.
* @param string $header The message headers
@ -1349,17 +1478,20 @@ class PHPMailer
}
$to = implode(', ', $toArr);
if (empty($this->Sender)) {
$params = ' ';
} else {
$params = sprintf('-f%s', $this->Sender);
$params = null;
//This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
// CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
if (self::isShellSafe($this->Sender)) {
$params = sprintf('-f%s', $this->Sender);
}
}
if ($this->Sender != '' and !ini_get('safe_mode')) {
if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) {
$old_from = ini_get('sendmail_from');
ini_set('sendmail_from', $this->Sender);
}
$result = false;
if ($this->SingleTo && count($toArr) > 1) {
if ($this->SingleTo and count($toArr) > 1) {
foreach ($toArr as $toAddr) {
$result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
$this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
@ -1409,10 +1541,10 @@ class PHPMailer
if (!$this->smtpConnect($this->SMTPOptions)) {
throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
}
if ('' == $this->Sender) {
$smtp_from = $this->From;
} else {
if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
$smtp_from = $this->Sender;
} else {
$smtp_from = $this->From;
}
if (!$this->smtp->mail($smtp_from)) {
$this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
@ -1466,12 +1598,17 @@ class PHPMailer
* @throws phpmailerException
* @return boolean
*/
public function smtpConnect($options = array())
public function smtpConnect($options = null)
{
if (is_null($this->smtp)) {
$this->smtp = $this->getSMTPInstance();
}
//If no options are provided, use whatever is set in the instance
if (is_null($options)) {
$options = $this->SMTPOptions;
}
// Already connected?
if ($this->smtp->connected()) {
return true;
@ -1541,7 +1678,7 @@ class PHPMailer
if (!$this->smtp->startTLS()) {
throw new phpmailerException($this->lang('connect_host'));
}
// We must resend HELO after tls negotiation
// We must resend EHLO after TLS negotiation
$this->smtp->hello($hello);
}
if ($this->SMTPAuth) {
@ -1580,7 +1717,7 @@ class PHPMailer
*/
public function smtpClose()
{
if ($this->smtp !== null) {
if (is_a($this->smtp, 'SMTP')) {
if ($this->smtp->connected()) {
$this->smtp->quit();
$this->smtp->close();
@ -1599,6 +1736,19 @@ class PHPMailer
*/
public function setLanguage($langcode = 'en', $lang_path = '')
{
// Backwards compatibility for renamed language codes
$renamed_langcodes = array(
'br' => 'pt_br',
'cz' => 'cs',
'dk' => 'da',
'no' => 'nb',
'se' => 'sv',
);
if (isset($renamed_langcodes[$langcode])) {
$langcode = $renamed_langcodes[$langcode];
}
// Define full set of translatable strings in English
$PHPMAILER_LANG = array(
'authenticate' => 'SMTP Error: Could not authenticate.',
@ -1625,6 +1775,10 @@ class PHPMailer
// Calculate an absolute path so it can work if CWD is not here
$lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
}
//Validate $langcode
if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
$langcode = 'en';
}
$foundlang = true;
$lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
// There is no English translation file
@ -1918,7 +2072,9 @@ class PHPMailer
$result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
}
if ($this->MessageID != '') {
// Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
// https://tools.ietf.org/html/rfc5322#section-3.6.4
if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) {
$this->lastMessageID = $this->MessageID;
} else {
$this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
@ -2020,7 +2176,15 @@ class PHPMailer
*/
public function getSentMIMEMessage()
{
return $this->MIMEHeader . $this->mailHeader . self::CRLF . $this->MIMEBody;
return rtrim($this->MIMEHeader . $this->mailHeader, "\n\r") . self::CRLF . self::CRLF . $this->MIMEBody;
}
/**
* Create unique ID
* @return string
*/
protected function generateId() {
return md5(uniqid(time()));
}
/**
@ -2034,7 +2198,7 @@ class PHPMailer
{
$body = '';
//Create unique IDs and preset boundaries
$this->uniqueid = md5(uniqid(time()));
$this->uniqueid = $this->generateId();
$this->boundary[1] = 'b1_' . $this->uniqueid;
$this->boundary[2] = 'b2_' . $this->uniqueid;
$this->boundary[3] = 'b3_' . $this->uniqueid;
@ -2050,11 +2214,12 @@ class PHPMailer
//Can we do a 7-bit downgrade?
if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
$bodyEncoding = '7bit';
//All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
$bodyCharSet = 'us-ascii';
}
//If lines are too long, change to quoted-printable transfer encoding
if (self::hasLineLongerThanMax($this->Body)) {
$this->Encoding = 'quoted-printable';
//If lines are too long, and we're not already using an encoding that will shorten them,
//change to quoted-printable transfer encoding for the body part only
if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) {
$bodyEncoding = 'quoted-printable';
}
@ -2063,10 +2228,12 @@ class PHPMailer
//Can we do a 7-bit downgrade?
if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
$altBodyEncoding = '7bit';
//All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
$altBodyCharSet = 'us-ascii';
}
//If lines are too long, change to quoted-printable transfer encoding
if (self::hasLineLongerThanMax($this->AltBody)) {
//If lines are too long, and we're not already using an encoding that will shorten them,
//change to quoted-printable transfer encoding for the alt body part only
if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) {
$altBodyEncoding = 'quoted-printable';
}
//Use this as a preamble in all multipart message types
@ -2169,8 +2336,10 @@ class PHPMailer
$body .= $this->attachAll('attachment', $this->boundary[1]);
break;
default:
// catch case 'plain' and case ''
$body .= $this->encodeString($this->Body, $bodyEncoding);
// Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
//Reset the `Encoding` property in case we changed it for line length reasons
$this->Encoding = $bodyEncoding;
$body .= $this->encodeString($this->Body, $this->Encoding);
break;
}
@ -2276,8 +2445,7 @@ class PHPMailer
/**
* Set the message type.
* PHPMailer only supports some preset message types,
* not arbitrary MIME structures.
* PHPMailer only supports some preset message types, not arbitrary MIME structures.
* @access protected
* @return void
*/
@ -2295,6 +2463,7 @@ class PHPMailer
}
$this->message_type = implode('_', $type);
if ($this->message_type == '') {
//The 'plain' message_type refers to the message having a single body element, not that it is plain-text
$this->message_type = 'plain';
}
}
@ -3209,16 +3378,18 @@ class PHPMailer
}
/**
* Create a message from an HTML string.
* Automatically makes modifications for inline images and backgrounds
* and creates a plain-text version by converting the HTML.
* Overwrites any existing values in $this->Body and $this->AltBody
* Create a message body from an HTML string.
* Automatically inlines images and creates a plain-text version by converting the HTML,
* overwriting any existing values in Body and AltBody.
* $basedir is used when handling relative image paths, e.g. <img src="images/a.png">
* will look for an image file in $basedir/images/a.png and convert it to inline.
* If you don't want to apply these transformations to your HTML, just set Body and AltBody yourself.
* @access public
* @param string $message HTML message string
* @param string $basedir baseline directory for path
* @param string $basedir base directory for relative paths to images
* @param boolean|callable $advanced Whether to use the internal HTML to text converter
* or your own custom converter @see PHPMailer::html2text()
* @return string $message
* @return string $message The transformed message Body
*/
public function msgHTML($message, $basedir = '', $advanced = false)
{
@ -3241,7 +3412,7 @@ class PHPMailer
$message
);
}
} elseif (substr($url, 0, 4) !== 'cid:' && !preg_match('#^[A-z]+://#', $url)) {
} elseif (substr($url, 0, 4) !== 'cid:' && !preg_match('#^[a-z][a-z0-9+.-]*://#i', $url)) {
// Do not change urls for absolute images (thanks to corvuscorax)
// Do not change urls that are already inline images
$filename = basename($url);
@ -3277,7 +3448,7 @@ class PHPMailer
// Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
$this->Body = $this->normalizeBreaks($message);
$this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
if (empty($this->AltBody)) {
if (!$this->alternativeExists()) {
$this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
self::CRLF . self::CRLF;
}
@ -3288,7 +3459,7 @@ class PHPMailer
* Convert an HTML string into plain text.
* This is used by msgHTML().
* Note - older versions of this function used a bundled advanced converter
* which was been removed for license reasons in #232
* which was been removed for license reasons in #232.
* Example usage:
* <code>
* // Use default conversion
@ -3588,7 +3759,7 @@ class PHPMailer
* @access public
* @param string $signHeader
* @throws phpmailerException
* @return string
* @return string The DKIM signature value
*/
public function DKIM_Sign($signHeader)
{
@ -3598,15 +3769,35 @@ class PHPMailer
}
return '';
}
$privKeyStr = file_get_contents($this->DKIM_private);
if ($this->DKIM_passphrase != '') {
$privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private);
if ('' != $this->DKIM_passphrase) {
$privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
} else {
$privKey = $privKeyStr;
$privKey = openssl_pkey_get_private($privKeyStr);
}
if (openssl_sign($signHeader, $signature, $privKey)) {
return base64_encode($signature);
//Workaround for missing digest algorithms in old PHP & OpenSSL versions
//@link http://stackoverflow.com/a/11117338/333340
if (version_compare(PHP_VERSION, '5.3.0') >= 0 and
in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) {
if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
openssl_pkey_free($privKey);
return base64_encode($signature);
}
} else {
$pinfo = openssl_pkey_get_details($privKey);
$hash = hash('sha256', $signHeader);
//'Magic' constant for SHA256 from RFC3447
//@link https://tools.ietf.org/html/rfc3447#page-43
$t = '3031300d060960864801650304020105000420' . $hash;
$pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3);
$eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t);
if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) {
openssl_pkey_free($privKey);
return base64_encode($signature);
}
}
openssl_pkey_free($privKey);
return '';
}
@ -3623,7 +3814,7 @@ class PHPMailer
foreach ($lines as $key => $line) {
list($heading, $value) = explode(':', $line, 2);
$heading = strtolower($heading);
$value = preg_replace('/\s+/', ' ', $value); // Compress useless spaces
$value = preg_replace('/\s{2,}/', ' ', $value); // Compress useless spaces
$lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
}
$signHeader = implode("\r\n", $lines);
@ -3661,7 +3852,7 @@ class PHPMailer
*/
public function DKIM_Add($headers_line, $subject, $body)
{
$DKIMsignatureType = 'rsa-sha1'; // Signature & hash algorithms
$DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms
$DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
$DKIMquery = 'dns/txt'; // Query method
$DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
@ -3669,6 +3860,7 @@ class PHPMailer
$headers = explode($this->LE, $headers_line);
$from_header = '';
$to_header = '';
$date_header = '';
$current = '';
foreach ($headers as $header) {
if (strpos($header, 'From:') === 0) {
@ -3677,6 +3869,9 @@ class PHPMailer
} elseif (strpos($header, 'To:') === 0) {
$to_header = $header;
$current = 'to_header';
} elseif (strpos($header, 'Date:') === 0) {
$date_header = $header;
$current = 'date_header';
} else {
if (!empty($$current) && strpos($header, ' =?') === 0) {
$$current .= $header;
@ -3687,6 +3882,7 @@ class PHPMailer
}
$from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
$to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
$date = str_replace('|', '=7C', $this->DKIM_QP($date_header));
$subject = str_replace(
'|',
'=7C',
@ -3694,7 +3890,7 @@ class PHPMailer
); // Copied header fields (dkim-quoted-printable)
$body = $this->DKIM_BodyC($body);
$DKIMlen = strlen($body); // Length of body
$DKIMb64 = base64_encode(pack('H*', sha1($body))); // Base64 of packed binary SHA-1 hash of body
$DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body
if ('' == $this->DKIM_identity) {
$ident = '';
} else {
@ -3707,16 +3903,18 @@ class PHPMailer
$this->DKIM_selector .
";\r\n" .
"\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
"\th=From:To:Subject;\r\n" .
"\th=From:To:Date:Subject;\r\n" .
"\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
"\tz=$from\r\n" .
"\t|$to\r\n" .
"\t|$date\r\n" .
"\t|$subject;\r\n" .
"\tbh=" . $DKIMb64 . ";\r\n" .
"\tb=";
$toSign = $this->DKIM_HeaderC(
$from_header . "\r\n" .
$to_header . "\r\n" .
$date_header . "\r\n" .
$subject_header . "\r\n" .
$dkimhdrs
);

86
wp-includes/class-smtp.php
View File

@ -30,7 +30,7 @@ class SMTP
* The PHPMailer SMTP version number.
* @var string
*/
const VERSION = '5.2.14';
const VERSION = '5.2.21';
/**
* SMTP line break constant.
@ -81,7 +81,7 @@ class SMTP
* @deprecated Use the `VERSION` constant instead
* @see SMTP::VERSION
*/
public $Version = '5.2.14';
public $Version = '5.2.21';
/**
* SMTP server port number.
@ -150,6 +150,17 @@ class SMTP
*/
public $Timelimit = 300;
/**
* @var array patterns to extract smtp transaction id from smtp reply
* Only first capture group will be use, use non-capturing group to deal with it
* Extend this class to override this property to fulfil your needs.
*/
protected $smtp_transaction_id_patterns = array(
'exim' => '/[0-9]{3} OK id=(.*)/',
'sendmail' => '/[0-9]{3} 2.0.0 (.*) Message/',
'postfix' => '/[0-9]{3} 2.0.0 Ok: queued as (.*)/'
);
/**
* The socket for the server connection.
* @var resource
@ -206,7 +217,7 @@ class SMTP
}
//Avoid clash with built-in function names
if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
call_user_func($this->Debugoutput, $str, $this->do_debug);
call_user_func($this->Debugoutput, $str, $level);
return;
}
switch ($this->Debugoutput) {
@ -272,8 +283,8 @@ class SMTP
$errstr = '';
if ($streamok) {
$socket_context = stream_context_create($options);
//Suppress errors; connection failures are handled at a higher level
$this->smtp_conn = @stream_socket_client(
set_error_handler(array($this, 'errorHandler'));
$this->smtp_conn = stream_socket_client(
$host . ":" . $port,
$errno,
$errstr,
@ -281,12 +292,14 @@ class SMTP
STREAM_CLIENT_CONNECT,
$socket_context
);
restore_error_handler();
} else {
//Fall back to fsockopen which should work in more places, but is missing some features
$this->edebug(
"Connection: stream_socket_client not available, falling back to fsockopen",
self::DEBUG_CONNECTION
);
set_error_handler(array($this, 'errorHandler'));
$this->smtp_conn = fsockopen(
$host,
$port,
@ -294,6 +307,7 @@ class SMTP
$errstr,
$timeout
);
restore_error_handler();
}
// Verify we connected properly
if (!is_resource($this->smtp_conn)) {
@ -336,11 +350,22 @@ class SMTP
if (!$this->sendCommand('STARTTLS', 'STARTTLS', 220)) {
return false;
}
//Allow the best TLS version(s) we can
$crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT;
//PHP 5.6.7 dropped inclusion of TLS 1.1 and 1.2 in STREAM_CRYPTO_METHOD_TLS_CLIENT
//so add them back in manually if we can
if (defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT')) {
$crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
$crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
}
// Begin encrypted connection
if (!stream_socket_enable_crypto(
$this->smtp_conn,
true,
STREAM_CRYPTO_METHOD_TLS_CLIENT
$crypto_method
)) {
return false;
}
@ -353,7 +378,7 @@ class SMTP
* @see hello()
* @param string $username The user name
* @param string $password The password
* @param string $authtype The auth type (PLAIN, LOGIN, NTLM, CRAM-MD5, XOAUTH2)
* @param string $authtype The auth type (PLAIN, LOGIN, CRAM-MD5)
* @param string $realm The auth realm for NTLM
* @param string $workstation The auth workstation for NTLM
* @param null|OAuth $OAuth An optional OAuth instance (@see PHPMailerOAuth)
@ -389,7 +414,7 @@ class SMTP
);
if (empty($authtype)) {
foreach (array('LOGIN', 'CRAM-MD5', 'PLAIN') as $method) {
foreach (array('CRAM-MD5', 'LOGIN', 'PLAIN') as $method) {
if (in_array($method, $this->server_caps['AUTH'])) {
$authtype = $method;
break;
@ -673,7 +698,7 @@ class SMTP
protected function parseHelloFields($type)
{
$this->server_caps = array();
$lines = explode("\n", $this->last_reply);
$lines = explode("\n", $this->helo_rply);
foreach ($lines as $n => $s) {
//First 4 chars contain response code followed by - or space
@ -1115,4 +1140,47 @@ class SMTP
{
return $this->Timeout;
}
/**
* Reports an error number and string.
* @param integer $errno The error number returned by PHP.
* @param string $errmsg The error message returned by PHP.
*/
protected function errorHandler($errno, $errmsg)
{
$notice = 'Connection: Failed to connect to server.';
$this->setError(
$notice,
$errno,
$errmsg
);
$this->edebug(
$notice . ' Error number ' . $errno . '. "Error notice: ' . $errmsg,
self::DEBUG_CONNECTION
);
}
/**
* Will return the ID of the last smtp transaction based on a list of patterns provided
* in SMTP::$smtp_transaction_id_patterns.
* If no reply has been received yet, it will return null.
* If no pattern has been matched, it will return false.
* @return bool|null|string
*/
public function getLastTransactionID()
{
$reply = $this->getLastReply();
if (empty($reply)) {
return null;
}
foreach($this->smtp_transaction_id_patterns as $smtp_transaction_id_pattern) {
if(preg_match($smtp_transaction_id_pattern, $reply, $matches)) {
return $matches[1];
}
}
return false;
}
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.8-alpha-39644';
$wp_version = '4.8-alpha-39645';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.