[phpBB Debug] PHP Warning: in file [ROOT]/includes/crs/crs_misc_functions.php on line 37: mime_content_type(): Empty filename or path Zen Cart 源代码 class.phpmailer.php
<?php /*~ class.phpmailer.php .---------------------------------------------------------------------------. | Software: PHPMailer - PHP email class | | Version: 5.2.6 | | Site: https://github.com/PHPMailer/PHPMailer/ | | ------------------------------------------------------------------------- | | Admins: Marcus Bointon | | Admins: Jim Jagielski | | Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net | | : Marcus Bointon (coolbru) phpmailer@synchromedia.co.uk | | : Jim Jagielski (jimjag) jimjag@gmail.com | | Founder: Brent R. Matzelle (original founder) | | Copyright (c) 2010-2012, Jim Jagielski. All Rights Reserved. | | Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. | | Copyright (c) 2001-2003, Brent R. Matzelle | | ------------------------------------------------------------------------- | | License: Distributed under the Lesser General Public License (LGPL) | | http://www.gnu.org/copyleft/lesser.html | | This program is distributed in the hope that it will be useful - WITHOUT | | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | | FITNESS FOR A PARTICULAR PURPOSE. | '---------------------------------------------------------------------------' */
/** * PHPMailer - PHP email creation and transport class * NOTE: Requires PHP version 5 or later * @package PHPMailer * @author Andy Prevost * @author Marcus Bointon * @author Jim Jagielski * @copyright 2010 - 2012 Jim Jagielski * @copyright 2004 - 2009 Andy Prevost * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */
if (version_compare(PHP_VERSION, '5.0.0', '<') ) exit("Sorry, this version of PHPMailer will only run on PHP version 5 or greater!\n");
/** * PHP email creation and transport class * @package PHPMailer */ class PHPMailer {
///////////////////////////////////////////////// // PROPERTIES, PUBLIC /////////////////////////////////////////////////
/** * Sets the CharSet of the message. * @var string */ public $CharSet = 'iso-8859-1';
/** * Sets the Content-type of the message. * @var string */ public $ContentType = 'text/plain';
/** * Sets the Encoding of the message. Options for this are * "8bit", "7bit", "binary", "base64", and "quoted-printable". * @var string */ public $Encoding = '8bit';
/** * Holds the most recent mailer error message. * @var string */ public $ErrorInfo = '';
/** * Sets the From email address for the message. * @var string */ public $From = 'root@localhost';
/** * Sets the From name of the message. * @var string */ public $FromName = 'Root User';
/** * Sets the Sender email (Return-Path) of the message. If not empty, * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode. * @var string */ public $Sender = '';
/** * Sets the Return-Path of the message. If empty, it will * be set to either From or Sender. * @var string */ public $ReturnPath = '';
/** * Sets the Subject of the message. * @var string */ public $Subject = '';
/** * Sets the Body of the message. This can be either an HTML or text body. * If HTML then run IsHTML(true). * @var string */ public $Body = '';
/** * Sets the text-only body of the message. This automatically sets the * email to multipart/alternative. This body can be read by mail * clients that do not have HTML email capability such as mutt. Clients * that can read HTML will view the normal Body. * @var string */ public $AltBody = '';
/** * Stores the extra header list which CreateHeader() doesn't fold in * @var string * @access protected */ protected $mailHeader = '';
/** * Sets word wrapping on the body of the message to a given number of * characters. * @var int */ public $WordWrap = 0;
/** * Method to send mail: ("mail", "sendmail", or "smtp"). * @var string */ public $Mailer = 'mail';
/** * Sets the path of the sendmail program. * @var string */ public $Sendmail = '/usr/sbin/sendmail';
/** * Determine if mail() uses a fully sendmail compatible MTA that * supports sendmail's "-oi -f" options * @var boolean */ public $UseSendmailOptions = true;
/** * Path to PHPMailer plugins. Useful if the SMTP class * is in a different directory than the PHP include path. * @var string */ public $PluginDir = '';
/** * Sets the email address that a reading confirmation will be sent. * @var string */ public $ConfirmReadingTo = '';
/** * Sets the hostname to use in Message-Id and Received headers * and as default HELO string. If empty, the value returned * by SERVER_NAME is used or 'localhost.localdomain'. * @var string */ public $Hostname = '';
/** * Sets the message ID to be used in the Message-Id header. * If empty, a unique id will be generated. * @var string */ public $MessageID = '';
/** * Sets the message Date to be used in the Date header. * If empty, the current date will be added. * @var string */ public $MessageDate = '';
///////////////////////////////////////////////// // PROPERTIES FOR SMTP /////////////////////////////////////////////////
/** * Sets the SMTP hosts. * * All hosts must be separated by a * semicolon. You can also specify a different port * for each host by using this format: [hostname:port] * (e.g. "smtp1.example.com:25;smtp2.example.com"). * Hosts will be tried in order. * @var string */ public $Host = 'localhost';
/** * Sets the default SMTP server port. * @var int */ public $Port = 25;
/** * Sets the SMTP HELO of the message (Default is $Hostname). * @var string */ public $Helo = '';
/** * Sets connection prefix. Options are "", "ssl" or "tls" * @var string */ public $SMTPSecure = '';
/** * Sets SMTP authentication. Utilizes the Username and Password variables. * @var bool */ public $SMTPAuth = false;
/** * Sets the SMTP server timeout in seconds. * This function will not work with the win32 version. * @var int */ public $Timeout = 10;
/** * Sets SMTP class debugging on or off. * @var bool */ public $SMTPDebug = false;
/** * Sets the function/method to use for debugging output. * Right now we only honor "echo" or "error_log" * @var string */ public $Debugoutput = "echo";
/** * Prevents the SMTP connection from being closed after each mail * sending. If this is set to true then to close the connection * requires an explicit call to SmtpClose(). * @var bool */ public $SMTPKeepAlive = false;
/** * Provides the ability to have the TO field process individual * emails, instead of sending to entire TO addresses * @var bool */ public $SingleTo = false;
/** * If SingleTo is true, this provides the array to hold the email addresses * @var bool */ public $SingleToArray = array();
/** * Should we allow sending messages with empty body? * @var bool */ public $AllowEmpty = false;
/** * Provides the ability to change the generic line ending * NOTE: The default remains '\n'. We force CRLF where we KNOW * it must be used via self::CRLF * @var string */ public $LE = "\n";
/** * Used with DKIM Signing * required parameter if DKIM is enabled * * domain selector example domainkey * @var string */ public $DKIM_selector = '';
/** * Used with DKIM Signing * required if DKIM is enabled, in format of email address 'you@yourdomain.com' typically used as the source of the email * @var string */ public $DKIM_identity = '';
/** * Used with DKIM Signing * optional parameter if your private key requires a passphras * @var string */ public $DKIM_passphrase = '';
/** * Used with DKIM Singing * required if DKIM is enabled, in format of email address 'domain.com' * @var string */ public $DKIM_domain = '';
/** * Used with DKIM Signing * required if DKIM is enabled, path to private key file * @var string */ public $DKIM_private = '';
/** * Callback Action function name. * The function that handles the result of the send email action. * It is called out by Send() for each email sent. * * Value can be: * - 'function_name' for function names * - 'Class::Method' for static method calls * - array($object, 'Method') for calling methods on $object * See http://php.net/is_callable manual page for more details. * * Parameters: * bool $result result of the send action * string $to email address of the recipient * string $cc cc email addresses * string $bcc bcc email addresses * string $subject the subject * string $body the email body * string $from email address of sender * @var string */ public $action_function = ''; //'callbackAction';
/** * Sets the PHPMailer Version number * @var string */ public $Version = '5.2.6';
/** * What to use in the X-Mailer header * @var string NULL for default, whitespace for None, or actual string to use */ public $XMailer = '';
///////////////////////////////////////////////// // PROPERTIES, PRIVATE AND PROTECTED /////////////////////////////////////////////////
/** * @var SMTP An instance of the SMTP sender class * @access protected */ protected $smtp = null; /** * @var array An array of 'to' addresses * @access protected */ protected $to = array(); /** * @var array An array of 'cc' addresses * @access protected */ protected $cc = array(); /** * @var array An array of 'bcc' addresses * @access protected */ protected $bcc = array(); /** * @var array An array of reply-to name and address * @access protected */ protected $ReplyTo = array(); /** * @var array An array of all kinds of addresses: to, cc, bcc, replyto * @access protected */ protected $all_recipients = array(); /** * @var array An array of attachments * @access protected */ protected $attachment = array(); /** * @var array An array of custom headers * @access protected */ protected $CustomHeader = array(); /** * @var string The message's MIME type * @access protected */ protected $message_type = ''; /** * @var array An array of MIME boundary strings * @access protected */ protected $boundary = array(); /** * @var array An array of available languages * @access protected */ protected $language = array(); /** * @var integer The number of errors encountered * @access protected */ protected $error_count = 0; /** * @var string The filename of a DKIM certificate file * @access protected */ protected $sign_cert_file = ''; /** * @var string The filename of a DKIM key file * @access protected */ protected $sign_key_file = ''; /** * @var string The password of a DKIM key * @access protected */ protected $sign_key_pass = ''; /** * @var boolean Whether to throw exceptions for errors * @access protected */ protected $exceptions = false;
/** * Adds a "To" address. * @param string $address * @param string $name * @return boolean true on success, false if address already used */ public function AddAddress($address, $name = '') { return $this->AddAnAddress('to', $address, $name); }
/** * Adds a "Cc" address. * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer. * @param string $address * @param string $name * @return boolean true on success, false if address already used */ public function AddCC($address, $name = '') { return $this->AddAnAddress('cc', $address, $name); }
/** * Adds a "Bcc" address. * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer. * @param string $address * @param string $name * @return boolean true on success, false if address already used */ public function AddBCC($address, $name = '') { return $this->AddAnAddress('bcc', $address, $name); }
/** * Adds a "Reply-to" address. * @param string $address * @param string $name * @return boolean */ public function AddReplyTo($address, $name = '') { return $this->AddAnAddress('Reply-To', $address, $name); }
/** * Adds an address to one of the recipient arrays * Addresses that have been added already return false, but do not throw exceptions * @param string $kind One of 'to', 'cc', 'bcc', 'ReplyTo' * @param string $address The email address to send to * @param string $name * @throws phpmailerException * @return boolean true on success, false if address already used or invalid in some way * @access protected */ protected function AddAnAddress($kind, $address, $name = '') { if (!preg_match('/^(to|cc|bcc|Reply-To)$/', $kind)) { $this->SetError($this->Lang('Invalid recipient array').': '.$kind); if ($this->exceptions) { throw new phpmailerException('Invalid recipient array: ' . $kind); } if ($this->SMTPDebug) { $this->edebug($this->Lang('Invalid recipient array').': '.$kind); } return false; } $address = trim($address); $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim if (!$this->ValidateAddress($address)) { $this->SetError($this->Lang('invalid_address').': '. $address); if ($this->exceptions) { throw new phpmailerException($this->Lang('invalid_address').': '.$address); } if ($this->SMTPDebug) { $this->edebug($this->Lang('invalid_address').': '.$address); } return false; } if ($kind != 'Reply-To') { if (!isset($this->all_recipients[strtolower($address)])) { array_push($this->$kind, array($address, $name)); $this->all_recipients[strtolower($address)] = true; return true; } } else { if (!array_key_exists(strtolower($address), $this->ReplyTo)) { $this->ReplyTo[strtolower($address)] = array($address, $name); return true; } } return false; }
/** * Set the From and FromName properties * @param string $address * @param string $name * @param int $auto Also set Reply-To and Sender * @throws phpmailerException * @return boolean */ public function SetFrom($address, $name = '', $auto = 1) { $address = trim($address); $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim if (!$this->ValidateAddress($address)) { $this->SetError($this->Lang('invalid_address').': '. $address); if ($this->exceptions) { throw new phpmailerException($this->Lang('invalid_address').': '.$address); } if ($this->SMTPDebug) { $this->edebug($this->Lang('invalid_address').': '.$address); } return false; } $this->From = $address; $this->FromName = $name; if ($auto) { if (empty($this->ReplyTo)) { $this->AddAnAddress('Reply-To', $address, $name); } if (empty($this->Sender)) { $this->Sender = $address; } } return true; }
/** * Check that a string looks roughly like an email address should * Static so it can be used without instantiation, public so people can overload * Conforms to RFC5322: Uses *correct* regex on which FILTER_VALIDATE_EMAIL is * based; So why not use FILTER_VALIDATE_EMAIL? Because it was broken to * not allow a@b type valid addresses :( * @link http://squiloople.com/2009/12/20/email-address-validation/ * @copyright regex Copyright Michael Rushton 2009-10 | http://squiloople.com/ | Feel free to use and redistribute this code. But please keep this copyright notice. * @param string $address The email address to check * @return boolean * @static * @access public */ public static function ValidateAddress($address) { if (defined('PCRE_VERSION')) { //Check this instead of extension_loaded so it works when that function is disabled if (version_compare(PCRE_VERSION, '8.0') >= 0) { return (boolean)preg_match('/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD', $address); } else { //Fall back to an older regex that doesn't need a recent PCRE return (boolean)preg_match('/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD', $address); } } else { //No PCRE! Do something _very_ approximate! //Check the address is 3 chars or longer and contains an @ that's not the first or last char return (strlen($address) >= 3 and strpos($address, '@') >= 1 and strpos($address, '@') != strlen($address) - 1); } }
///////////////////////////////////////////////// // METHODS, MAIL SENDING /////////////////////////////////////////////////
/** * Creates message and assigns Mailer. If the message is * not sent successfully then it returns false. Use the ErrorInfo * variable to view description of the error. * @throws phpmailerException * @return bool */ public function Send() { try { if(!$this->PreSend()) return false; return $this->PostSend(); } catch (phpmailerException $e) { $this->mailHeader = ''; $this->SetError($e->getMessage()); if ($this->exceptions) { throw $e; } return false; } }
/** * Prep mail by constructing all message entities * @throws phpmailerException * @return bool */ public function PreSend() { try { $this->mailHeader = ""; if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) { throw new phpmailerException($this->Lang('provide_address'), self::STOP_CRITICAL); }
// Set whether the message is multipart/alternative if(!empty($this->AltBody)) { $this->ContentType = 'multipart/alternative'; }
$this->error_count = 0; // reset errors $this->SetMessageType(); //Refuse to send an empty message unless we are specifically allowing it if (!$this->AllowEmpty and empty($this->Body)) { throw new phpmailerException($this->Lang('empty_message'), self::STOP_CRITICAL); }
// To capture the complete message when using mail(), create // an extra header list which CreateHeader() doesn't fold in if ($this->Mailer == 'mail') { if (count($this->to) > 0) { $this->mailHeader .= $this->AddrAppend("To", $this->to); } else { $this->mailHeader .= $this->HeaderLine("To", "undisclosed-recipients:;"); } $this->mailHeader .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader(trim($this->Subject)))); }
/** * Actual Email transport function * Send the email via the selected mechanism * @throws phpmailerException * @return bool */ public function PostSend() { try { // Choose the mailer and send through it switch($this->Mailer) { case 'sendmail': return $this->SendmailSend($this->MIMEHeader, $this->MIMEBody); case 'smtp': return $this->SmtpSend($this->MIMEHeader, $this->MIMEBody); case 'mail': return $this->MailSend($this->MIMEHeader, $this->MIMEBody); default: return $this->MailSend($this->MIMEHeader, $this->MIMEBody); } } catch (phpmailerException $e) { $this->SetError($e->getMessage()); if ($this->exceptions) { throw $e; } if ($this->SMTPDebug) { $this->edebug($e->getMessage()."\n"); } } return false; }
/** * Sends mail using the $Sendmail program. * @param string $header The message headers * @param string $body The message body * @throws phpmailerException * @access protected * @return bool */ protected function SendmailSend($header, $body) { if ($this->Sender != '') { $sendmail = sprintf("%s -oi -f%s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender)); } else { $sendmail = sprintf("%s -oi -t", escapeshellcmd($this->Sendmail)); } if ($this->SingleTo === true) { foreach ($this->SingleToArray as $val) { if(!@$mail = popen($sendmail, 'w')) { throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } fputs($mail, "To: " . $val . "\n"); fputs($mail, $header); fputs($mail, $body); $result = pclose($mail); // implement call back function if it exists $isSent = ($result == 0) ? 1 : 0; $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body); if($result != 0) { throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } } } else { if(!@$mail = popen($sendmail, 'w')) { throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } fputs($mail, $header); fputs($mail, $body); $result = pclose($mail); // implement call back function if it exists $isSent = ($result == 0) ? 1 : 0; $this->doCallback($isSent, $this->to, $this->cc, $this->bcc, $this->Subject, $body); if($result != 0) { throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL); } } return true; }
/** * Sends mail using the PHP mail() function. * @param string $header The message headers * @param string $body The message body * @throws phpmailerException * @access protected * @return bool */ protected function MailSend($header, $body) { $toArr = array(); foreach($this->to as $t) { $toArr[] = $this->AddrFormat($t); } $to = implode(', ', $toArr);
if (empty($this->Sender)) { $params = " "; } else { $params = sprintf("-f%s", $this->Sender); } if ($this->Sender != '' and !ini_get('safe_mode')) { $old_from = ini_get('sendmail_from'); ini_set('sendmail_from', $this->Sender); } $rt = false; if ($this->SingleTo === true && count($toArr) > 1) { foreach ($toArr as $val) { $rt = $this->mail_passthru($val, $this->Subject, $body, $header, $params); // implement call back function if it exists $isSent = ($rt == 1) ? 1 : 0; $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body); } } else { $rt = $this->mail_passthru($to, $this->Subject, $body, $header, $params); // implement call back function if it exists $isSent = ($rt == 1) ? 1 : 0; $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body); } if (isset($old_from)) { ini_set('sendmail_from', $old_from); } if(!$rt) { throw new phpmailerException($this->Lang('instantiate'), self::STOP_CRITICAL); } return true; }
/** * Sends mail via SMTP using PhpSMTP * Returns false if there is a bad MAIL FROM, RCPT, or DATA input. * @param string $header The message headers * @param string $body The message body * @throws phpmailerException * @uses SMTP * @access protected * @return bool */ protected function SmtpSend($header, $body) { require_once $this->PluginDir . 'class.smtp.php'; $bad_rcpt = array();
// Attempt to send attach all recipients foreach($this->to as $to) { if (!$this->smtp->Recipient($to[0])) { $bad_rcpt[] = $to[0]; // implement call back function if it exists $isSent = 0; $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body); } else { // implement call back function if it exists $isSent = 1; $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body); } } foreach($this->cc as $cc) { if (!$this->smtp->Recipient($cc[0])) { $bad_rcpt[] = $cc[0]; // implement call back function if it exists $isSent = 0; $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body); } else { // implement call back function if it exists $isSent = 1; $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body); } } foreach($this->bcc as $bcc) { if (!$this->smtp->Recipient($bcc[0])) { $bad_rcpt[] = $bcc[0]; // implement call back function if it exists $isSent = 0; $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body); } else { // implement call back function if it exists $isSent = 1; $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body); } }
if (count($bad_rcpt) > 0 ) { //Create error message for any bad addresses $badaddresses = implode(', ', $bad_rcpt); throw new phpmailerException($this->Lang('recipients_failed') . $badaddresses); } if(!$this->smtp->Data($header . $body)) { throw new phpmailerException($this->Lang('data_not_accepted'), self::STOP_CRITICAL); } if($this->SMTPKeepAlive == true) { $this->smtp->Reset(); } else { $this->smtp->Quit(); $this->smtp->Close(); } return true; }
/** * Initiates a connection to an SMTP server. * Returns false if the operation failed. * @uses SMTP * @access public * @throws phpmailerException * @return bool */ public function SmtpConnect() { if(is_null($this->smtp)) { $this->smtp = new SMTP; }
if ($tls) { if (!$this->smtp->StartTLS()) { throw new phpmailerException($this->Lang('connect_host')); }
//We must resend HELO after tls negotiation $this->smtp->Hello($hello); }
$connection = true; if ($this->SMTPAuth) { if (!$this->smtp->Authenticate($this->Username, $this->Password, $this->AuthType, $this->Realm, $this->Workstation)) { throw new phpmailerException($this->Lang('authenticate')); } } } $index++; if (!$connection) { throw new phpmailerException($this->Lang('connect_host')); } } } catch (phpmailerException $e) { $this->smtp->Reset(); if ($this->exceptions) { throw $e; } } return true; }
/** * Closes the active SMTP session if one exists. * @return void */ public function SmtpClose() { if ($this->smtp !== null) { if($this->smtp->Connected()) { $this->smtp->Quit(); $this->smtp->Close(); } } }
/** * Sets the language for all class error messages. * Returns false if it cannot load the language file. The default language is English. * @param string $langcode ISO 639-1 2-character language code (e.g. Portuguese: "br") * @param string $lang_path Path to the language file directory * @return bool * @access public */ function SetLanguage($langcode = 'en', $lang_path = 'language/') { //Define full set of translatable strings $PHPMAILER_LANG = array( 'authenticate' => 'SMTP Error: Could not authenticate.', 'connect_host' => 'SMTP Error: Could not connect to SMTP host.', 'data_not_accepted' => 'SMTP Error: Data not accepted.', 'empty_message' => 'Message body empty', 'encoding' => 'Unknown encoding: ', 'execute' => 'Could not execute: ', 'file_access' => 'Could not access file: ', 'file_open' => 'File Error: Could not open file: ', 'from_failed' => 'The following From address failed: ', 'instantiate' => 'Could not instantiate mail function.', 'invalid_address' => 'Invalid address', 'mailer_not_supported' => ' mailer is not supported.', 'provide_address' => 'You must provide at least one recipient email address.', 'recipients_failed' => 'SMTP Error: The following recipients failed: ', 'signing' => 'Signing Error: ', 'smtp_connect_failed' => 'SMTP Connect() failed.', 'smtp_error' => 'SMTP server error: ', 'variable_set' => 'Cannot set or reset variable: ' ); //Overwrite language-specific strings. This way we'll never have missing translations - no more "language string failed to load"! $l = true; if ($langcode != 'en') { //There is no English translation file $l = @include $lang_path.'phpmailer.lang-'.$langcode.'.php'; } $this->language = $PHPMAILER_LANG; return ($l == true); //Returns false if language not found }
/** * Return the current array of language strings * @return array */ public function GetTranslations() { return $this->language; }
/** * Formats an address correctly. * @access public * @param string $addr * @return string */ public function AddrFormat($addr) { if (empty($addr[1])) { return $this->SecureHeader($addr[0]); } else { return $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">"; } }
/** * Wraps message for use with mailers that do not * automatically perform wrapping and for quoted-printable. * Original written by philippe. * @param string $message The message to wrap * @param integer $length The line length to wrap to * @param boolean $qp_mode Whether to run in Quoted-Printable mode * @access public * @return string */ public function WrapText($message, $length, $qp_mode = false) { $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE; // If utf-8 encoding is used, we will need to make sure we don't // split multibyte characters when we wrap $is_utf8 = (strtolower($this->CharSet) == "utf-8"); $lelen = strlen($this->LE); $crlflen = strlen(self::CRLF);
/** * Finds last character boundary prior to maxLength in a utf-8 * quoted (printable) encoded string. * Original written by Colin Brown. * @access public * @param string $encodedText utf-8 QP text * @param int $maxLength find last character boundary prior to this length * @return int */ public function UTF8CharBoundary($encodedText, $maxLength) { $foundSplitPos = false; $lookBack = 3; while (!$foundSplitPos) { $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack); $encodedCharPos = strpos($lastChunk, "="); if ($encodedCharPos !== false) { // Found start of encoded character byte within $lookBack block. // Check the encoded byte value (the 2 chars after the '=') $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2); $dec = hexdec($hex); if ($dec < 128) { // Single byte character. // If the encoded char was found at pos 0, it will fit // otherwise reduce maxLength to start of the encoded char $maxLength = ($encodedCharPos == 0) ? $maxLength : $maxLength - ($lookBack - $encodedCharPos); $foundSplitPos = true; } elseif ($dec >= 192) { // First byte of a multi byte character // Reduce maxLength to split at start of character $maxLength = $maxLength - ($lookBack - $encodedCharPos); $foundSplitPos = true; } elseif ($dec < 192) { // Middle byte of a multi byte character, look further back $lookBack += 3; } } else { // No encoded character found $foundSplitPos = true; } } return $maxLength; }
/** * Set the body wrapping. * @access public * @return void */ public function SetWordWrap() { if($this->WordWrap < 1) { return; }
switch($this->message_type) { case 'alt': case 'alt_inline': case 'alt_attach': case 'alt_inline_attach': $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap); break; default: $this->Body = $this->WrapText($this->Body, $this->WordWrap); break; } }
/** * Assembles message header. * @access public * @return string The assembled header */ public function CreateHeader() { $result = '';
/** * Returns the MIME message (headers and body). Only really valid post PreSend(). * @access public * @return string */ public function GetSentMIMEMessage() { return $this->MIMEHeader . $this->mailHeader . self::CRLF . $this->MIMEBody; }
/** * Assembles the message body. Returns an empty string on failure. * @access public * @throws phpmailerException * @return string The assembled message body */ public function CreateBody() { $body = '';
if ($this->sign_key_file) { $body .= $this->GetMailMIME().$this->LE; }
/** * Returns a formatted header line. * @access public * @param string $name * @param string $value * @return string */ public function HeaderLine($name, $value) { return $name . ': ' . $value . $this->LE; }
/** * Returns a formatted mail line. * @access public * @param string $value * @return string */ public function TextLine($value) { return $value . $this->LE; }
///////////////////////////////////////////////// // CLASS METHODS, ATTACHMENTS /////////////////////////////////////////////////
/** * Adds an attachment from a path on the filesystem. * Returns false if the file could not be found * or accessed. * @param string $path Path to the attachment. * @param string $name Overrides the attachment name. * @param string $encoding File encoding (see $Encoding). * @param string $type File extension (MIME) type. * @throws phpmailerException * @return bool */ public function AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream') { try { if ( !@is_file($path) ) { throw new phpmailerException($this->Lang('file_access') . $path, self::STOP_CONTINUE); } $filename = basename($path); if ( $name == '' ) { $name = $filename; }
/** * Encodes attachment in requested format. * Returns an empty string on failure. * @param string $path The full path to the file * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable' * @throws phpmailerException * @see EncodeFile() * @access protected * @return string */ protected function EncodeFile($path, $encoding = 'base64') { try { if (!is_readable($path)) { throw new phpmailerException($this->Lang('file_open') . $path, self::STOP_CONTINUE); } $magic_quotes = get_magic_quotes_runtime(); if ($magic_quotes) { if (version_compare(PHP_VERSION, '5.3.0', '<')) { set_magic_quotes_runtime(0); } else { ini_set('magic_quotes_runtime', 0); } } $file_buffer = file_get_contents($path); $file_buffer = $this->EncodeString($file_buffer, $encoding); if ($magic_quotes) { if (version_compare(PHP_VERSION, '5.3.0', '<')) { set_magic_quotes_runtime($magic_quotes); } else { ini_set('magic_quotes_runtime', $magic_quotes); } } return $file_buffer; } catch (Exception $e) { $this->SetError($e->getMessage()); return ''; } }
/** * Encodes string to requested format. * Returns an empty string on failure. * @param string $str The text to encode * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable' * @access public * @return string */ public function EncodeString($str, $encoding = 'base64') { $encoded = ''; switch(strtolower($encoding)) { case 'base64': $encoded = chunk_split(base64_encode($str), 76, $this->LE); break; case '7bit': case '8bit': $encoded = $this->FixEOL($str); //Make sure it ends with a line break if (substr($encoded, -(strlen($this->LE))) != $this->LE) $encoded .= $this->LE; break; case 'binary': $encoded = $str; break; case 'quoted-printable': $encoded = $this->EncodeQP($str); break; default: $this->SetError($this->Lang('encoding') . $encoding); break; } return $encoded; }
/** * Encode a header string to best (shortest) of Q, B, quoted or none. * @access public * @param string $str * @param string $position * @return string */ public function EncodeHeader($str, $position = 'text') { $x = 0;
switch (strtolower($position)) { case 'phrase': if (!preg_match('/[\200-\377]/', $str)) { // Can't use addslashes as we don't know what value has magic_quotes_sybase $encoded = addcslashes($str, "\0..\37\177\\\""); if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) { return ($encoded); } else { return ("\"$encoded\""); } } $x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches); break; case 'comment': $x = preg_match_all('/[()"]/', $str, $matches); // Fall-through case 'text': default: $x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches); break; }
if ($x == 0) { //There are no chars that need encoding return ($str); }
$maxlen = 75 - 7 - strlen($this->CharSet); // Try to select the encoding which should produce the shortest output if ($x > strlen($str)/3) { //More than a third of the content will need encoding, so B encoding will be most efficient $encoding = 'B'; if (function_exists('mb_strlen') && $this->HasMultiBytes($str)) { // Use a custom function which correctly encodes and wraps long // multibyte strings without breaking lines within a character $encoded = $this->Base64EncodeWrapMB($str, "\n"); } else { $encoded = base64_encode($str); $maxlen -= $maxlen % 4; $encoded = trim(chunk_split($encoded, $maxlen, "\n")); } } else { $encoding = 'Q'; $encoded = $this->EncodeQ($str, $position); $encoded = $this->WrapText($encoded, $maxlen, true); $encoded = str_replace('='.self::CRLF, "\n", trim($encoded)); }
/** * Checks if a string contains multibyte characters. * @access public * @param string $str multi-byte text to wrap encode * @return bool */ public function HasMultiBytes($str) { if (function_exists('mb_strlen')) { return (strlen($str) > mb_strlen($str, $this->CharSet)); } else { // Assume no multibytes (we can't handle without mbstring functions anyway) return false; } }
/** * Correctly encodes and wraps long multibyte strings for mail headers * without breaking lines within a character. * Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php * @access public * @param string $str multi-byte text to wrap encode * @param string $lf string to use as linefeed/end-of-line * @return string */ public function Base64EncodeWrapMB($str, $lf=null) { $start = "=?".$this->CharSet."?B?"; $end = "?="; $encoded = ""; if ($lf === null) { $lf = $this->LE; }
$mb_length = mb_strlen($str, $this->CharSet); // Each line must have length <= 75, including $start and $end $length = 75 - strlen($start) - strlen($end); // Average multi-byte ratio $ratio = $mb_length / strlen($str); // Base64 has a 4:3 ratio $offset = $avgLength = floor($length * $ratio * .75);
// Chomp the last linefeed $encoded = substr($encoded, 0, -strlen($lf)); return $encoded; }
/** * Encode string to RFC2045 (6.7) quoted-printable format * @access public * @param string $string The text to encode * @param integer $line_max Number of chars allowed on a line before wrapping * @return string * @link PHP version adapted from http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 */ public function EncodeQP($string, $line_max = 76) { if (function_exists('quoted_printable_encode')) { //Use native function if it's available (>= PHP5.3) return quoted_printable_encode($string); } //Fall back to a pure PHP implementation $string = str_replace(array('%20', '%0D%0A.', '%0D%0A', '%'), array(' ', "\r\n=2E", "\r\n", '='), rawurlencode($string)); $string = preg_replace('/[^\r\n]{'.($line_max - 3).'}[^=\r\n]{2}/', "$0=\r\n", $string); return $string; }
/** * Wrapper to preserve BC for old QP encoding function that was removed * @see EncodeQP() * @access public * @param string $string * @param integer $line_max * @param bool $space_conv * @return string */ public function EncodeQPphp($string, $line_max = 76, $space_conv = false) { return $this->EncodeQP($string, $line_max); }
/** * Encode string to q encoding. * @link http://tools.ietf.org/html/rfc2047 * @param string $str the text to encode * @param string $position Where the text is going to be used, see the RFC for what that means * @access public * @return string */ public function EncodeQ($str, $position = 'text') { //There should not be any EOL in the string $pattern=""; $encoded = str_replace(array("\r", "\n"), '', $str); switch (strtolower($position)) { case 'phrase': $pattern = '^A-Za-z0-9!*+\/ -'; break;
case 'comment': $pattern = '\(\)"'; //note that we don't break here! //for this reason we build the $pattern without including delimiters and []
case 'text': default: //Replace every high ascii, control =, ? and _ characters //We put \075 (=) as first value to make sure it's the first one in being converted, preventing double encode $pattern = '\075\000-\011\013\014\016-\037\077\137\177-\377' . $pattern; break; }
if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) { foreach (array_unique($matches[0]) as $char) { $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded); } }
//Replace every spaces to _ (more readable than =20) return str_replace(' ', '_', $encoded); }
/** * Adds a string or binary attachment (non-filesystem) to the list. * This method can be used to attach ascii or binary data, * such as a BLOB record from a database. * @param string $string String attachment data. * @param string $filename Name of the attachment. * @param string $encoding File encoding (see $Encoding). * @param string $type File extension (MIME) type. * @return void */ public function AddStringAttachment($string, $filename, $encoding = 'base64', $type = 'application/octet-stream') { // Append to $attachment array $this->attachment[] = array( 0 => $string, 1 => $filename, 2 => basename($filename), 3 => $encoding, 4 => $type, 5 => true, // isStringAttachment 6 => 'attachment', 7 => 0 ); }
/** * Add an embedded attachment from a file. * This can include images, sounds, and just about any other document type. * Be sure to set the $type to an image type for images: * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'. * @param string $path Path to the attachment. * @param string $cid Content ID of the attachment; Use this to reference * the content when using an embedded image in HTML. * @param string $name Overrides the attachment name. * @param string $encoding File encoding (see $Encoding). * @param string $type File MIME type. * @return bool True on successfully adding an attachment */ public function AddEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
/** * Add an embedded stringified attachment. * This can include images, sounds, and just about any other document type. * Be sure to set the $type to an image type for images: * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'. * @param string $string The attachment binary data. * @param string $cid Content ID of the attachment; Use this to reference * the content when using an embedded image in HTML. * @param string $name * @param string $encoding File encoding (see $Encoding). * @param string $type MIME type. * @return bool True on successfully adding an attachment */ public function AddStringEmbeddedImage($string, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') { // Append to $attachment array $this->attachment[] = array( 0 => $string, 1 => $name, 2 => $name, 3 => $encoding, 4 => $type, 5 => true, // isStringAttachment 6 => 'inline', 7 => $cid ); return true; }
/** * Returns true if an inline attachment is present. * @access public * @return bool */ public function InlineImageExists() { foreach($this->attachment as $attachment) { if ($attachment[6] == 'inline') { return true; } } return false; }
/** * Returns true if an attachment (non-inline) is present. * @return bool */ public function AttachmentExists() { foreach($this->attachment as $attachment) { if ($attachment[6] == 'attachment') { return true; } } return false; }
/** * Does this message have an alternative body set? * @return bool */ public function AlternativeExists() { return !empty($this->AltBody); }
///////////////////////////////////////////////// // CLASS METHODS, MESSAGE RESET /////////////////////////////////////////////////
/** * Clears all recipients assigned in the TO array. Returns void. * @return void */ public function ClearAddresses() { foreach($this->to as $to) { unset($this->all_recipients[strtolower($to[0])]); } $this->to = array(); }
/** * Clears all recipients assigned in the CC array. Returns void. * @return void */ public function ClearCCs() { foreach($this->cc as $cc) { unset($this->all_recipients[strtolower($cc[0])]); } $this->cc = array(); }
/** * Clears all recipients assigned in the BCC array. Returns void. * @return void */ public function ClearBCCs() { foreach($this->bcc as $bcc) { unset($this->all_recipients[strtolower($bcc[0])]); } $this->bcc = array(); }
/** * Clears all recipients assigned in the ReplyTo array. Returns void. * @return void */ public function ClearReplyTos() { $this->ReplyTo = array(); }
/** * Clears all recipients assigned in the TO, CC and BCC * array. Returns void. * @return void */ public function ClearAllRecipients() { $this->to = array(); $this->cc = array(); $this->bcc = array(); $this->all_recipients = array(); }
/** * Clears all previously set filesystem, string, and binary * attachments. Returns void. * @return void */ public function ClearAttachments() { $this->attachment = array(); }
/** * Clears all custom headers. Returns void. * @return void */ public function ClearCustomHeaders() { $this->CustomHeader = array(); }
///////////////////////////////////////////////// // CLASS METHODS, MISCELLANEOUS /////////////////////////////////////////////////
/** * Adds the error message to the error container. * @access protected * @param string $msg * @return void */ protected function SetError($msg) { $this->error_count++; if ($this->Mailer == 'smtp' and !is_null($this->smtp)) { $lasterror = $this->smtp->getError(); if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror)) { $msg .= '<p>' . $this->Lang('smtp_error') . $lasterror['smtp_msg'] . "</p>\n"; } } $this->ErrorInfo = $msg; }
/** * Returns the proper RFC 822 formatted date. * @access public * @return string * @static */ public static function RFCDate() { //Set the time zone to whatever the default is to avoid 500 errors //Will default to UTC if it's not set properly in php.ini date_default_timezone_set(@date_default_timezone_get()); return date('D, j M Y H:i:s O'); }
/** * Returns the server hostname or 'localhost.localdomain' if unknown. * @access protected * @return string */ protected function ServerHostname() { if (!empty($this->Hostname)) { $result = $this->Hostname; } elseif (isset($_SERVER['SERVER_NAME'])) { $result = $_SERVER['SERVER_NAME']; } else { $result = 'localhost.localdomain'; }
return $result; }
/** * Returns a message in the appropriate language. * @access protected * @param string $key * @return string */ protected function Lang($key) { if(count($this->language) < 1) { $this->SetLanguage('en'); // set the default language }
/** * Returns true if an error occurred. * @access public * @return bool */ public function IsError() { return ($this->error_count > 0); }
/** * Changes every end of line from CRLF, CR or LF to $this->LE. * @access public * @param string $str String to FixEOL * @return string */ public function FixEOL($str) { // condense down to \n $nstr = str_replace(array("\r\n", "\r"), "\n", $str); // Now convert LE as needed if ($this->LE !== "\n") { $nstr = str_replace("\n", $this->LE, $nstr); } return $nstr; }
/** * Adds a custom header. $name value can be overloaded to contain * both header name and value (name:value) * @access public * @param string $name custom header name * @param string $value header value * @return void */ public function AddCustomHeader($name, $value=null) { if ($value === null) { // Value passed in as name:value $this->CustomHeader[] = explode(':', $name, 2); } else { $this->CustomHeader[] = array($name, $value); } }
/** * Creates a message from an HTML string, making 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 * @access public * @param string $message HTML message string * @param string $basedir baseline directory for path * @param bool $advanced Whether to use the advanced HTML to text converter * @return string $message */ public function MsgHTML($message, $basedir = '', $advanced = false) { preg_match_all("/(src|background)=[\"'](.*)[\"']/Ui", $message, $images); if(isset($images[2])) { foreach($images[2] as $i => $url) { // do not change urls for absolute images (thanks to corvuscorax) if (!preg_match('#^[A-z]+://#', $url)) { $filename = basename($url); $directory = dirname($url); if ($directory == '.') { $directory = ''; } $cid = 'cid:' . md5($url); $ext = pathinfo($filename, PATHINFO_EXTENSION); $mimeType = self::_mime_types($ext); if ( strlen($basedir) > 1 && substr($basedir, -1) != '/') { $basedir .= '/'; } if ( strlen($directory) > 1 && substr($directory, -1) != '/') { $directory .= '/'; } if ( $this->AddEmbeddedImage($basedir.$directory.$filename, md5($url), $filename, 'base64', $mimeType) ) { $message = preg_replace("/".$images[1][$i]."=[\"']".preg_quote($url, '/')."[\"']/Ui", $images[1][$i]."=\"".$cid."\"", $message); } } } } $this->IsHTML(true); $this->Body = $message; $this->AltBody = $this->html2text($message, $advanced); if (empty($this->AltBody)) { $this->AltBody = 'To view this email message, open it in a program that understands HTML!' . "\n\n"; } return $message; }
/** * Convert an HTML string into a plain text version * @param string $html The HTML text to convert * @param bool $advanced Should this use the more complex html2text converter or just a simple one? * @return string */ public function html2text($html, $advanced = false) { if ($advanced) { require_once (DIR_FS_CATALOG . 'includes/classes/support/class.html2text.php'); $h = new html2text($html); return $h->get_text(); } return html_entity_decode(trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/s', '', $html))), ENT_QUOTES, $this->CharSet); }
/** * Set (or reset) Class Objects (variables) * * Usage Example: * $page->set('X-Priority', '3'); * * @access public * @param string $name * @param mixed $value * NOTE: will not work with arrays, there are no arrays to set/reset * @throws phpmailerException * @return bool * @todo Should this not be using __set() magic function? */ public function set($name, $value = '') { try { if (isset($this->$name) ) { $this->$name = $value; } else { throw new phpmailerException($this->Lang('variable_set') . $name, self::STOP_CRITICAL); } } catch (Exception $e) { $this->SetError($e->getMessage()); if ($e->getCode() == self::STOP_CRITICAL) { return false; } } return true; }
/** * Strips newlines to prevent header injection. * @access public * @param string $str * @return string */ public function SecureHeader($str) { return trim(str_replace(array("\r", "\n"), '', $str)); }
/** * Set the private key file and password to sign the message. * * @access public * @param string $cert_filename * @param string $key_filename * @param string $key_pass Password for private key */ public function Sign($cert_filename, $key_filename, $key_pass) { $this->sign_cert_file = $cert_filename; $this->sign_key_file = $key_filename; $this->sign_key_pass = $key_pass; }
/** * Set the private key file and password to sign the message. * * @access public * @param string $txt * @return string */ public function DKIM_QP($txt) { $line = ''; for ($i = 0; $i < strlen($txt); $i++) { $ord = ord($txt[$i]); if ( ((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E)) ) { $line .= $txt[$i]; } else { $line .= "=".sprintf("%02X", $ord); } } return $line; }
/** * Generate DKIM signature * * @access public * @param string $s Header * @throws phpmailerException * @return string */ public function DKIM_Sign($s) { if (!defined('PKCS7_TEXT')) { if ($this->exceptions) { throw new phpmailerException($this->Lang("signing").' OpenSSL extension missing.'); } return ''; } $privKeyStr = file_get_contents($this->DKIM_private); if ($this->DKIM_passphrase != '') { $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase); } else { $privKey = $privKeyStr; } if (openssl_sign($s, $signature, $privKey)) { return base64_encode($signature); } return ''; }