1: <?php
   2: /*~ class.phpmailer.php
   3: .---------------------------------------------------------------------------.
   4: |  Software: PHPMailer - PHP email class                                    |
   5: |   Version: 5.2.1                                                          |
   6: |      Site: https://code.google.com/a/apache-extras.org/p/phpmailer/       |
   7: | ------------------------------------------------------------------------- |
   8: |     Admin: Jim Jagielski (project admininistrator)                        |
   9: |   Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
  10: |          : Marcus Bointon (coolbru) coolbru@users.sourceforge.net         |
  11: |          : Jim Jagielski (jimjag) jimjag@gmail.com                        |
  12: |   Founder: Brent R. Matzelle (original founder)                           |
  13: | Copyright (c) 2010-2012, Jim Jagielski. All Rights Reserved.              |
  14: | Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved.               |
  15: | Copyright (c) 2001-2003, Brent R. Matzelle                                |
  16: | ------------------------------------------------------------------------- |
  17: |   License: Distributed under the Lesser General Public License (LGPL)     |
  18: |            http://www.gnu.org/copyleft/lesser.html                        |
  19: | This program is distributed in the hope that it will be useful - WITHOUT  |
  20: | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     |
  21: | FITNESS FOR A PARTICULAR PURPOSE.                                         |
  22: '---------------------------------------------------------------------------'
  23: */
  24: 
  25: /**
  26:  * PHPMailer - PHP email transport class
  27:  * NOTE: Requires PHP version 5 or later
  28:  * @package PHPMailer
  29:  * @author Andy Prevost
  30:  * @author Marcus Bointon
  31:  * @author Jim Jagielski
  32:  * @copyright 2010 - 2012 Jim Jagielski
  33:  * @copyright 2004 - 2009 Andy Prevost
  34:  * @version $Id: PHPMailer.class.php 272 2012-06-05 08:50:39Z oroger $
  35:  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
  36:  */
  37: 
  38: if (version_compare(PHP_VERSION, '5.0.0', '<') ) exit("Sorry, this version of PHPMailer will only run on PHP version 5 or greater!\n");
  39: 
  40: class Net_PHPMailer {
  41: 
  42:   /////////////////////////////////////////////////
  43:   // PROPERTIES, PUBLIC
  44:   /////////////////////////////////////////////////
  45: 
  46:   /**
  47:    * Email priority (1 = High, 3 = Normal, 5 = low).
  48:    * @var int
  49:    */
  50:   public $Priority          = 3;
  51: 
  52:   /**
  53:    * Sets the CharSet of the message.
  54:    * @var string
  55:    */
  56:   public $CharSet           = 'iso-8859-1';
  57: 
  58:   /**
  59:    * Sets the Content-type of the message.
  60:    * @var string
  61:    */
  62:   public $ContentType       = 'text/plain';
  63: 
  64:   /**
  65:    * Sets the Encoding of the message. Options for this are
  66:    *  "8bit", "7bit", "binary", "base64", and "quoted-printable".
  67:    * @var string
  68:    */
  69:   public $Encoding          = '8bit';
  70: 
  71:   /**
  72:    * Holds the most recent mailer error message.
  73:    * @var string
  74:    */
  75:   public $ErrorInfo         = '';
  76: 
  77:   /**
  78:    * Sets the From email address for the message.
  79:    * @var string
  80:    */
  81:   public $From              = 'root@localhost';
  82: 
  83:   /**
  84:    * Sets the From name of the message.
  85:    * @var string
  86:    */
  87:   public $FromName          = 'Root User';
  88: 
  89:   /**
  90:    * Sets the Sender email (Return-Path) of the message.  If not empty,
  91:    * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
  92:    * @var string
  93:    */
  94:   public $Sender            = '';
  95: 
  96:   /**
  97:    * Sets the Subject of the message.
  98:    * @var string
  99:    */
 100:   public $Subject           = '';
 101: 
 102:   /**
 103:    * Sets the Body of the message.  This can be either an HTML or text body.
 104:    * If HTML then run IsHTML(true).
 105:    * @var string
 106:    */
 107:   public $Body              = '';
 108: 
 109:   /**
 110:    * Sets the text-only body of the message.  This automatically sets the
 111:    * email to multipart/alternative.  This body can be read by mail
 112:    * clients that do not have HTML email capability such as mutt. Clients
 113:    * that can read HTML will view the normal Body.
 114:    * @var string
 115:    */
 116:   public $AltBody           = '';
 117: 
 118:   /**
 119:    * Stores the complete compiled MIME message body.
 120:    * @var string
 121:    * @access protected
 122:    */
 123:   protected $MIMEBody       = '';
 124: 
 125:   /**
 126:    * Stores the complete compiled MIME message headers.
 127:    * @var string
 128:    * @access protected
 129:    */
 130:   protected $MIMEHeader     = '';
 131: 
 132:   /**
 133:    * Stores the complete sent MIME message (Body and Headers)
 134:    * @var string
 135:    * @access protected
 136:   */
 137:   protected $SentMIMEMessage     = '';
 138: 
 139:   /**
 140:    * Sets word wrapping on the body of the message to a given number of
 141:    * characters.
 142:    * @var int
 143:    */
 144:   public $WordWrap          = 0;
 145: 
 146:   /**
 147:    * Method to send mail: ("mail", "sendmail", or "smtp").
 148:    * @var string
 149:    */
 150:   public $Mailer            = 'mail';
 151: 
 152:   /**
 153:    * Sets the path of the sendmail program.
 154:    * @var string
 155:    */
 156:   public $Sendmail          = '/usr/sbin/sendmail';
 157: 
 158:   /**
 159:    * Path to PHPMailer plugins.  Useful if the SMTP class
 160:    * is in a different directory than the PHP include path.
 161:    * @var string
 162:    */
 163:   public $PluginDir         = '';
 164: 
 165:   /**
 166:    * Sets the email address that a reading confirmation will be sent.
 167:    * @var string
 168:    */
 169:   public $ConfirmReadingTo  = '';
 170: 
 171:   /**
 172:    * Sets the hostname to use in Message-Id and Received headers
 173:    * and as default HELO string. If empty, the value returned
 174:    * by SERVER_NAME is used or 'localhost.localdomain'.
 175:    * @var string
 176:    */
 177:   public $Hostname          = '';
 178: 
 179:   /**
 180:    * Sets the message ID to be used in the Message-Id header.
 181:    * If empty, a unique id will be generated.
 182:    * @var string
 183:    */
 184:   public $MessageID         = '';
 185: 
 186:   /////////////////////////////////////////////////
 187:   // PROPERTIES FOR SMTP
 188:   /////////////////////////////////////////////////
 189: 
 190:   /**
 191:    * Sets the SMTP hosts.  All hosts must be separated by a
 192:    * semicolon.  You can also specify a different port
 193:    * for each host by using this format: [hostname:port]
 194:    * (e.g. "smtp1.example.com:25;smtp2.example.com").
 195:    * Hosts will be tried in order.
 196:    * @var string
 197:    */
 198:   public $Host          = 'localhost';
 199: 
 200:   /**
 201:    * Sets the default SMTP server port.
 202:    * @var int
 203:    */
 204:   public $Port          = 25;
 205: 
 206:   /**
 207:    * Sets the SMTP HELO of the message (Default is $Hostname).
 208:    * @var string
 209:    */
 210:   public $Helo          = '';
 211: 
 212:   /**
 213:    * Sets connection prefix.
 214:    * Options are "", "ssl" or "tls"
 215:    * @var string
 216:    */
 217:   public $SMTPSecure    = '';
 218: 
 219:   /**
 220:    * Sets SMTP authentication. Utilizes the Username and Password variables.
 221:    * @var bool
 222:    */
 223:   public $SMTPAuth      = false;
 224: 
 225:   /**
 226:    * Sets SMTP username.
 227:    * @var string
 228:    */
 229:   public $Username      = '';
 230: 
 231:   /**
 232:    * Sets SMTP password.
 233:    * @var string
 234:    */
 235:   public $Password      = '';
 236: 
 237:   /**
 238:    * Sets the SMTP server timeout in seconds.
 239:    * This function will not work with the win32 version.
 240:    * @var int
 241:    */
 242:   public $Timeout       = 10;
 243: 
 244:   /**
 245:    * Sets SMTP class debugging on or off.
 246:    * @var bool
 247:    */
 248:   public $SMTPDebug     = false;
 249: 
 250:   /**
 251:    * Prevents the SMTP connection from being closed after each mail
 252:    * sending.  If this is set to true then to close the connection
 253:    * requires an explicit call to SmtpClose().
 254:    * @var bool
 255:    */
 256:   public $SMTPKeepAlive = false;
 257: 
 258:   /**
 259:    * Provides the ability to have the TO field process individual
 260:    * emails, instead of sending to entire TO addresses
 261:    * @var bool
 262:    */
 263:   public $SingleTo      = false;
 264: 
 265:    /**
 266:    * If SingleTo is true, this provides the array to hold the email addresses
 267:    * @var bool
 268:    */
 269:   public $SingleToArray = array();
 270: 
 271:  /**
 272:    * Provides the ability to change the line ending
 273:    * @var string
 274:    */
 275:   public $LE              = "\n";
 276: 
 277:   /**
 278:    * Used with DKIM DNS Resource Record
 279:    * @var string
 280:    */
 281:   public $DKIM_selector   = 'phpmailer';
 282: 
 283:   /**
 284:    * Used with DKIM DNS Resource Record
 285:    * optional, in format of email address 'you@yourdomain.com'
 286:    * @var string
 287:    */
 288:   public $DKIM_identity   = '';
 289: 
 290:   /**
 291:    * Used with DKIM DNS Resource Record
 292:    * @var string
 293:    */
 294:   public $DKIM_passphrase   = '';
 295: 
 296:   /**
 297:    * Used with DKIM DNS Resource Record
 298:    * optional, in format of email address 'you@yourdomain.com'
 299:    * @var string
 300:    */
 301:   public $DKIM_domain     = '';
 302: 
 303:   /**
 304:    * Used with DKIM DNS Resource Record
 305:    * optional, in format of email address 'you@yourdomain.com'
 306:    * @var string
 307:    */
 308:   public $DKIM_private    = '';
 309: 
 310:   /**
 311:    * Callback Action function name
 312:    * the function that handles the result of the send email action. Parameters:
 313:    *   bool    $result        result of the send action
 314:    *   string  $to            email address of the recipient
 315:    *   string  $cc            cc email addresses
 316:    *   string  $bcc           bcc email addresses
 317:    *   string  $subject       the subject
 318:    *   string  $body          the email body
 319:    * @var string
 320:    */
 321:   public $action_function = ''; //'callbackAction';
 322: 
 323:   /**
 324:    * Sets the PHPMailer Version number
 325:    * @var string
 326:    */
 327:   public $Version         = '5.2.1';
 328: 
 329:   /**
 330:    * What to use in the X-Mailer header
 331:    * @var string
 332:    */
 333:   public $XMailer         = '';
 334: 
 335:   /////////////////////////////////////////////////
 336:   // PROPERTIES, PRIVATE AND PROTECTED
 337:   /////////////////////////////////////////////////
 338: 
 339:   protected   $smtp           = NULL;
 340:   protected   $to             = array();
 341:   protected   $cc             = array();
 342:   protected   $bcc            = array();
 343:   protected   $ReplyTo        = array();
 344:   protected   $all_recipients = array();
 345:   protected   $attachment     = array();
 346:   protected   $CustomHeader   = array();
 347:   protected   $message_type   = '';
 348:   protected   $boundary       = array();
 349:   protected   $language       = array();
 350:   protected   $error_count    = 0;
 351:   protected   $sign_cert_file = '';
 352:   protected   $sign_key_file  = '';
 353:   protected   $sign_key_pass  = '';
 354:   protected   $exceptions     = false;
 355: 
 356:   /////////////////////////////////////////////////
 357:   // CONSTANTS
 358:   /////////////////////////////////////////////////
 359: 
 360:   const STOP_MESSAGE  = 0; // message only, continue processing
 361:   const STOP_CONTINUE = 1; // message?, likely ok to continue processing
 362:   const STOP_CRITICAL = 2; // message, plus full stop, critical error reached
 363: 
 364:   /////////////////////////////////////////////////
 365:   // METHODS, VARIABLES
 366:   /////////////////////////////////////////////////
 367: 
 368:   /**
 369:    * Constructor
 370:    * @param boolean $exceptions Should we throw external exceptions?
 371:    */
 372:   public function __construct($exceptions = false) {
 373:     $this->exceptions = ($exceptions == true);
 374:   }
 375: 
 376:   /**
 377:    * Sets message type to HTML.
 378:    * @param bool $ishtml
 379:    * @return void
 380:    */
 381:   public function IsHTML($ishtml = true) {
 382:     if ($ishtml) {
 383:       $this->ContentType = 'text/html';
 384:     } else {
 385:       $this->ContentType = 'text/plain';
 386:     }
 387:   }
 388: 
 389:   /**
 390:    * Sets Mailer to send message using SMTP.
 391:    * @return void
 392:    */
 393:   public function IsSMTP() {
 394:     $this->Mailer = 'smtp';
 395:   }
 396: 
 397:   /**
 398:    * Sets Mailer to send message using PHP mail() function.
 399:    * @return void
 400:    */
 401:   public function IsMail() {
 402:     $this->Mailer = 'mail';
 403:   }
 404: 
 405:   /**
 406:    * Sets Mailer to send message using the $Sendmail program.
 407:    * @return void
 408:    */
 409:   public function IsSendmail() {
 410:     if (!stristr(ini_get('sendmail_path'), 'sendmail')) {
 411:       $this->Sendmail = '/var/qmail/bin/sendmail';
 412:     }
 413:     $this->Mailer = 'sendmail';
 414:   }
 415: 
 416:   /**
 417:    * Sets Mailer to send message using the qmail MTA.
 418:    * @return void
 419:    */
 420:   public function IsQmail() {
 421:     if (stristr(ini_get('sendmail_path'), 'qmail')) {
 422:       $this->Sendmail = '/var/qmail/bin/sendmail';
 423:     }
 424:     $this->Mailer = 'sendmail';
 425:   }
 426: 
 427:   /////////////////////////////////////////////////
 428:   // METHODS, RECIPIENTS
 429:   /////////////////////////////////////////////////
 430: 
 431:   /**
 432:    * Adds a "To" address.
 433:    * @param string $address
 434:    * @param string $name
 435:    * @return boolean true on success, false if address already used
 436:    */
 437:   public function AddAddress($address, $name = '') {
 438:     return $this->AddAnAddress('to', $address, $name);
 439:   }
 440: 
 441:   /**
 442:    * Adds a "Cc" address.
 443:    * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
 444:    * @param string $address
 445:    * @param string $name
 446:    * @return boolean true on success, false if address already used
 447:    */
 448:   public function AddCC($address, $name = '') {
 449:     return $this->AddAnAddress('cc', $address, $name);
 450:   }
 451: 
 452:   /**
 453:    * Adds a "Bcc" address.
 454:    * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
 455:    * @param string $address
 456:    * @param string $name
 457:    * @return boolean true on success, false if address already used
 458:    */
 459:   public function AddBCC($address, $name = '') {
 460:     return $this->AddAnAddress('bcc', $address, $name);
 461:   }
 462: 
 463:   /**
 464:    * Adds a "Reply-to" address.
 465:    * @param string $address
 466:    * @param string $name
 467:    * @return boolean
 468:    */
 469:   public function AddReplyTo($address, $name = '') {
 470:     return $this->AddAnAddress('Reply-To', $address, $name);
 471:   }
 472: 
 473:   /**
 474:    * Adds an address to one of the recipient arrays
 475:    * Addresses that have been added already return false, but do not throw exceptions
 476:    * @param string $kind One of 'to', 'cc', 'bcc', 'ReplyTo'
 477:    * @param string $address The email address to send to
 478:    * @param string $name
 479:    * @return boolean true on success, false if address already used or invalid in some way
 480:    * @access protected
 481:    */
 482:   protected function AddAnAddress($kind, $address, $name = '') {
 483:     if (!preg_match('/^(to|cc|bcc|Reply-To)$/', $kind)) {
 484:       $this->SetError($this->Lang('Invalid recipient array').': '.$kind);
 485:       if ($this->exceptions) {
 486:         throw new Exception('Invalid recipient array: ' . $kind);
 487:       }
 488:       if ($this->SMTPDebug) {
 489:         echo $this->Lang('Invalid recipient array').': '.$kind;
 490:       }
 491:       return false;
 492:     }
 493:     $address = trim($address);
 494:     $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
 495:     if (!self::ValidateAddress($address)) {
 496:       $this->SetError($this->Lang('invalid_address').': '. $address);
 497:       if ($this->exceptions) {
 498:         throw new Exception($this->Lang('invalid_address').': '.$address);
 499:       }
 500:       if ($this->SMTPDebug) {
 501:         echo $this->Lang('invalid_address').': '.$address;
 502:       }
 503:       return false;
 504:     }
 505:     if ($kind != 'Reply-To') {
 506:       if (!isset($this->all_recipients[strtolower($address)])) {
 507:         array_push($this->$kind, array($address, $name));
 508:         $this->all_recipients[strtolower($address)] = true;
 509:         return true;
 510:       }
 511:     } else {
 512:       if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
 513:         $this->ReplyTo[strtolower($address)] = array($address, $name);
 514:       return true;
 515:     }
 516:   }
 517:   return false;
 518: }
 519: 
 520: /**
 521:  * Set the From and FromName properties
 522:  * @param string $address
 523:  * @param string $name
 524:  * @return boolean
 525:  */
 526:   public function SetFrom($address, $name = '', $auto = 1) {
 527:     $address = trim($address);
 528:     $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
 529:     if (!self::ValidateAddress($address)) {
 530:       $this->SetError($this->Lang('invalid_address').': '. $address);
 531:       if ($this->exceptions) {
 532:         throw new Exception($this->Lang('invalid_address').': '.$address);
 533:       }
 534:       if ($this->SMTPDebug) {
 535:         echo $this->Lang('invalid_address').': '.$address;
 536:       }
 537:       return false;
 538:     }
 539:     $this->From = $address;
 540:     $this->FromName = $name;
 541:     if ($auto) {
 542:       if (empty($this->ReplyTo)) {
 543:         $this->AddAnAddress('Reply-To', $address, $name);
 544:       }
 545:       if (empty($this->Sender)) {
 546:         $this->Sender = $address;
 547:       }
 548:     }
 549:     return true;
 550:   }
 551: 
 552:   /**
 553:    * Check that a string looks roughly like an email address should
 554:    * Static so it can be used without instantiation
 555:    * Tries to use PHP built-in validator in the filter extension (from PHP 5.2), falls back to a reasonably competent regex validator
 556:    * Conforms approximately to RFC2822
 557:    * @link http://www.hexillion.com/samples/#Regex Original pattern found here
 558:    * @param string $address The email address to check
 559:    * @return boolean
 560:    * @static
 561:    * @access public
 562:    */
 563:   public static function ValidateAddress($address) {
 564:     if (function_exists('filter_var')) { //Introduced in PHP 5.2
 565:       if(filter_var($address, FILTER_VALIDATE_EMAIL) === FALSE) {
 566:         return false;
 567:       } else {
 568:         return true;
 569:       }
 570:     } else {
 571:       return preg_match('/^(?:[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+\.)*[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+@(?:(?:(?:[a-zA-Z0-9_](?:[a-zA-Z0-9_\-](?!\.)){0,61}[a-zA-Z0-9_-]?\.)+[a-zA-Z0-9_](?:[a-zA-Z0-9_\-](?!$)){0,61}[a-zA-Z0-9_]?)|(?:\[(?:(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\.){3}(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\]))$/', $address);
 572:     }
 573:   }
 574: 
 575:   /////////////////////////////////////////////////
 576:   // METHODS, MAIL SENDING
 577:   /////////////////////////////////////////////////
 578: 
 579:   /**
 580:    * Creates message and assigns Mailer. If the message is
 581:    * not sent successfully then it returns false.  Use the ErrorInfo
 582:    * variable to view description of the error.
 583:    * @return bool
 584:    */
 585:   public function Send() {
 586:     try {
 587:       if(!$this->PreSend()) return false;
 588:       return $this->PostSend();
 589:     } catch (Exception $e) {
 590:       $this->SentMIMEMessage = '';
 591:       $this->SetError($e->getMessage());
 592:       if ($this->exceptions) {
 593:         throw $e;
 594:       }
 595:       return false;
 596:     }
 597:   }
 598: 
 599:   protected function PreSend() {
 600:     try {
 601:       $mailHeader = "";
 602:       if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
 603:         throw new Exception($this->Lang('provide_address'), self::STOP_CRITICAL);
 604:       }
 605: 
 606:       // Set whether the message is multipart/alternative
 607:       if(!empty($this->AltBody)) {
 608:         $this->ContentType = 'multipart/alternative';
 609:       }
 610: 
 611:       $this->error_count = 0; // reset errors
 612:       $this->SetMessageType();
 613:       //Refuse to send an empty message
 614:       if (empty($this->Body)) {
 615:         throw new Exception($this->Lang('empty_message'), self::STOP_CRITICAL);
 616:       }
 617: 
 618:       $this->MIMEHeader = $this->CreateHeader();
 619:       $this->MIMEBody = $this->CreateBody();
 620: 
 621:       // To capture the complete message when using mail(), create
 622:       // an extra header list which CreateHeader() doesn't fold in
 623:       if ($this->Mailer == 'mail') {
 624:         if (count($this->to) > 0) {
 625:           $mailHeader .= $this->AddrAppend("To", $this->to);
 626:         } else {
 627:           $mailHeader .= $this->HeaderLine("To", "undisclosed-recipients:;");
 628:         }
 629:         $mailHeader .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader(trim($this->Subject))));
 630:         // if(count($this->cc) > 0) {
 631:             // $mailHeader .= $this->AddrAppend("Cc", $this->cc);
 632:         // }
 633:       }
 634: 
 635:       // digitally sign with DKIM if enabled
 636:       if ($this->DKIM_domain && $this->DKIM_private) {
 637:         $header_dkim = $this->DKIM_Add($this->MIMEHeader, $this->EncodeHeader($this->SecureHeader($this->Subject)), $this->MIMEBody);
 638:         $this->MIMEHeader = str_replace("\r\n", "\n", $header_dkim) . $this->MIMEHeader;
 639:       }
 640: 
 641:       $this->SentMIMEMessage = sprintf("%s%s\r\n\r\n%s",$this->MIMEHeader,$mailHeader,$this->MIMEBody);
 642:       return true;
 643: 
 644:     } catch (Exception $e) {
 645:       $this->SetError($e->getMessage());
 646:       if ($this->exceptions) {
 647:         throw $e;
 648:       }
 649:       return false;
 650:     }
 651:   }
 652: 
 653:   protected function PostSend() {
 654:     try {
 655:       // Choose the mailer and send through it
 656:       switch($this->Mailer) {
 657:         case 'sendmail':
 658:           return $this->SendmailSend($this->MIMEHeader, $this->MIMEBody);
 659:         case 'smtp':
 660:           return $this->SmtpSend($this->MIMEHeader, $this->MIMEBody);
 661:         case 'mail':
 662:           return $this->MailSend($this->MIMEHeader, $this->MIMEBody);
 663:         default:
 664:           return $this->MailSend($this->MIMEHeader, $this->MIMEBody);
 665:       }
 666: 
 667:     } catch (Exception $e) {
 668:       $this->SetError($e->getMessage());
 669:       if ($this->exceptions) {
 670:         throw $e;
 671:       }
 672:       if ($this->SMTPDebug) {
 673:         echo $e->getMessage()."\n";
 674:       }
 675:       return false;
 676:     }
 677:   }
 678: 
 679:   /**
 680:    * Sends mail using the $Sendmail program.
 681:    * @param string $header The message headers
 682:    * @param string $body The message body
 683:    * @access protected
 684:    * @return bool
 685:    */
 686:   protected function SendmailSend($header, $body) {
 687:     if ($this->Sender != '') {
 688:       $sendmail = sprintf("%s -oi -f %s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
 689:     } else {
 690:       $sendmail = sprintf("%s -oi -t", escapeshellcmd($this->Sendmail));
 691:     }
 692:     if ($this->SingleTo === true) {
 693:       foreach ($this->SingleToArray as $key => $val) {
 694:         if(!@$mail = popen($sendmail, 'w')) {
 695:           throw new Exception($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 696:         }
 697:         fputs($mail, "To: " . $val . "\n");
 698:         fputs($mail, $header);
 699:         fputs($mail, $body);
 700:         $result = pclose($mail);
 701:         // implement call back function if it exists
 702:         $isSent = ($result == 0) ? 1 : 0;
 703:         $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
 704:         if($result != 0) {
 705:           throw new Exception($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 706:         }
 707:       }
 708:     } else {
 709:       if(!@$mail = popen($sendmail, 'w')) {
 710:         throw new Exception($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 711:       }
 712:       fputs($mail, $header);
 713:       fputs($mail, $body);
 714:       $result = pclose($mail);
 715:       // implement call back function if it exists
 716:       $isSent = ($result == 0) ? 1 : 0;
 717:       $this->doCallback($isSent, $this->to, $this->cc, $this->bcc, $this->Subject, $body);
 718:       if($result != 0) {
 719:         throw new Exception($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 720:       }
 721:     }
 722:     return true;
 723:   }
 724: 
 725:   /**
 726:    * Sends mail using the PHP mail() function.
 727:    * @param string $header The message headers
 728:    * @param string $body The message body
 729:    * @access protected
 730:    * @return bool
 731:    */
 732:   protected function MailSend($header, $body) {
 733:     $toArr = array();
 734:     foreach($this->to as $t) {
 735:       $toArr[] = $this->AddrFormat($t);
 736:     }
 737:     $to = implode(', ', $toArr);
 738: 
 739:     if (empty($this->Sender)) {
 740:       $params = "-oi ";
 741:     } else {
 742:       $params = sprintf("-oi -f %s", $this->Sender);
 743:     }
 744:     if ($this->Sender != '' and !ini_get('safe_mode')) {
 745:       $old_from = ini_get('sendmail_from');
 746:       ini_set('sendmail_from', $this->Sender);
 747:       if ($this->SingleTo === true && count($toArr) > 1) {
 748:         foreach ($toArr as $key => $val) {
 749:           $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
 750:           // implement call back function if it exists
 751:           $isSent = ($rt == 1) ? 1 : 0;
 752:           $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
 753:         }
 754:       } else {
 755:         $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
 756:         // implement call back function if it exists
 757:         $isSent = ($rt == 1) ? 1 : 0;
 758:         $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
 759:       }
 760:     } else {
 761:       if ($this->SingleTo === true && count($toArr) > 1) {
 762:         foreach ($toArr as $key => $val) {
 763:           $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
 764:           // implement call back function if it exists
 765:           $isSent = ($rt == 1) ? 1 : 0;
 766:           $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
 767:         }
 768:       } else {
 769:         $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
 770:         // implement call back function if it exists
 771:         $isSent = ($rt == 1) ? 1 : 0;
 772:         $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
 773:       }
 774:     }
 775:     if (isset($old_from)) {
 776:       ini_set('sendmail_from', $old_from);
 777:     }
 778:     if(!$rt) {
 779:       throw new Exception($this->Lang('instantiate'), self::STOP_CRITICAL);
 780:     }
 781:     return true;
 782:   }
 783: 
 784:   /**
 785:    * Sends mail via SMTP using PhpSMTP
 786:    * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
 787:    * @param string $header The message headers
 788:    * @param string $body The message body
 789:    * @uses SMTP
 790:    * @access protected
 791:    * @return bool
 792:    */
 793:   protected function SmtpSend($header, $body) {
 794:     require_once $this->PluginDir . 'SMTP.class.php';
 795:     $bad_rcpt = array();
 796: 
 797:     if(!$this->SmtpConnect()) {
 798:       throw new Exception($this->Lang('smtp_connect_failed'), self::STOP_CRITICAL);
 799:     }
 800:     $smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
 801:     if(!$this->smtp->Mail($smtp_from)) {
 802:       throw new Exception($this->Lang('from_failed') . $smtp_from, self::STOP_CRITICAL);
 803:     }
 804: 
 805:     // Attempt to send attach all recipients
 806:     foreach($this->to as $to) {
 807:       if (!$this->smtp->Recipient($to[0])) {
 808:         $bad_rcpt[] = $to[0];
 809:         // implement call back function if it exists
 810:         $isSent = 0;
 811:         $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
 812:       } else {
 813:         // implement call back function if it exists
 814:         $isSent = 1;
 815:         $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
 816:       }
 817:     }
 818:     foreach($this->cc as $cc) {
 819:       if (!$this->smtp->Recipient($cc[0])) {
 820:         $bad_rcpt[] = $cc[0];
 821:         // implement call back function if it exists
 822:         $isSent = 0;
 823:         $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
 824:       } else {
 825:         // implement call back function if it exists
 826:         $isSent = 1;
 827:         $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
 828:       }
 829:     }
 830:     foreach($this->bcc as $bcc) {
 831:       if (!$this->smtp->Recipient($bcc[0])) {
 832:         $bad_rcpt[] = $bcc[0];
 833:         // implement call back function if it exists
 834:         $isSent = 0;
 835:         $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
 836:       } else {
 837:         // implement call back function if it exists
 838:         $isSent = 1;
 839:         $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
 840:       }
 841:     }
 842: 
 843: 
 844:     if (count($bad_rcpt) > 0 ) { //Create error message for any bad addresses
 845:       $badaddresses = implode(', ', $bad_rcpt);
 846:       throw new Exception($this->Lang('recipients_failed') . $badaddresses);
 847:     }
 848:     if(!$this->smtp->Data($header . $body)) {
 849:       throw new Exception($this->Lang('data_not_accepted'), self::STOP_CRITICAL);
 850:     }
 851:     if($this->SMTPKeepAlive == true) {
 852:       $this->smtp->Reset();
 853:     }
 854:     return true;
 855:   }
 856: 
 857:   /**
 858:    * Initiates a connection to an SMTP server.
 859:    * Returns false if the operation failed.
 860:    * @uses SMTP
 861:    * @access public
 862:    * @return bool
 863:    */
 864:   public function SmtpConnect() {
 865:     if(is_null($this->smtp)) {
 866:       $this->smtp = new Net_SMTP();
 867:     }
 868: 
 869:     $this->smtp->do_debug = $this->SMTPDebug;
 870:     $hosts = explode(';', $this->Host);
 871:     $index = 0;
 872:     $connection = $this->smtp->Connected();
 873: 
 874:     // Retry while there is no connection
 875:     try {
 876:       while($index < count($hosts) && !$connection) {
 877:         $hostinfo = array();
 878:         if (preg_match('/^(.+):([0-9]+)$/', $hosts[$index], $hostinfo)) {
 879:           $host = $hostinfo[1];
 880:           $port = $hostinfo[2];
 881:         } else {
 882:           $host = $hosts[$index];
 883:           $port = $this->Port;
 884:         }
 885: 
 886:         $tls = ($this->SMTPSecure == 'tls');
 887:         $ssl = ($this->SMTPSecure == 'ssl');
 888: 
 889:         if ($this->smtp->Connect(($ssl ? 'ssl://':'').$host, $port, $this->Timeout)) {
 890: 
 891:           $hello = ($this->Helo != '' ? $this->Helo : $this->ServerHostname());
 892:           $this->smtp->Hello($hello);
 893: 
 894:           if ($tls) {
 895:             if (!$this->smtp->StartTLS()) {
 896:               throw new Exception($this->Lang('tls'));
 897:             }
 898: 
 899:             //We must resend HELO after tls negotiation
 900:             $this->smtp->Hello($hello);
 901:           }
 902: 
 903:           $connection = true;
 904:           if ($this->SMTPAuth) {
 905:             if (!$this->smtp->Authenticate($this->Username, $this->Password)) {
 906:               throw new Exception($this->Lang('authenticate'));
 907:             }
 908:           }
 909:         }
 910:         $index++;
 911:         if (!$connection) {
 912:           throw new Exception($this->Lang('connect_host'));
 913:         }
 914:       }
 915:     } catch (Exception $e) {
 916:       $this->smtp->Reset();
 917:       if ($this->exceptions) {
 918:         throw $e;
 919:       }
 920:     }
 921:     return true;
 922:   }
 923: 
 924:   /**
 925:    * Closes the active SMTP session if one exists.
 926:    * @return void
 927:    */
 928:   public function SmtpClose() {
 929:     if(!is_null($this->smtp)) {
 930:       if($this->smtp->Connected()) {
 931:         $this->smtp->Quit();
 932:         $this->smtp->Close();
 933:       }
 934:     }
 935:   }
 936: 
 937:   /**
 938:   * Sets the language for all class error messages.
 939:   * Returns false if it cannot load the language file.  The default language is English.
 940:   * @param string $langcode ISO 639-1 2-character language code (e.g. Portuguese: "br")
 941:   * @param string $lang_path Path to the language file directory
 942:   * @access public
 943:   */
 944:   function SetLanguage($langcode = 'en', $lang_path = 'language/') {
 945:     //Define full set of translatable strings
 946:     $PHPMAILER_LANG = array(
 947:       'provide_address' => 'You must provide at least one recipient email address.',
 948:       'mailer_not_supported' => ' mailer is not supported.',
 949:       'execute' => 'Could not execute: ',
 950:       'instantiate' => 'Could not instantiate mail function.',
 951:       'authenticate' => 'SMTP Error: Could not authenticate.',
 952:       'from_failed' => 'The following From address failed: ',
 953:       'recipients_failed' => 'SMTP Error: The following recipients failed: ',
 954:       'data_not_accepted' => 'SMTP Error: Data not accepted.',
 955:       'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
 956:       'file_access' => 'Could not access file: ',
 957:       'file_open' => 'File Error: Could not open file: ',
 958:       'encoding' => 'Unknown encoding: ',
 959:       'signing' => 'Signing Error: ',
 960:       'smtp_error' => 'SMTP server error: ',
 961:       'empty_message' => 'Message body empty',
 962:       'invalid_address' => 'Invalid address',
 963:       'variable_set' => 'Cannot set or reset variable: '
 964:     );
 965:     //Overwrite language-specific strings. This way we'll never have missing translations - no more "language string failed to load"!
 966:     $l = true;
 967:     if ($langcode != 'en') { //There is no English translation file
 968:       $l = @include $lang_path.'phpmailer.lang-'.$langcode.'.php';
 969:     }
 970:     $this->language = $PHPMAILER_LANG;
 971:     return ($l == true); //Returns false if language not found
 972:   }
 973: 
 974:   /**
 975:   * Return the current array of language strings
 976:   * @return array
 977:   */
 978:   public function GetTranslations() {
 979:     return $this->language;
 980:   }
 981: 
 982:   /////////////////////////////////////////////////
 983:   // METHODS, MESSAGE CREATION
 984:   /////////////////////////////////////////////////
 985: 
 986:   /**
 987:    * Creates recipient headers.
 988:    * @access public
 989:    * @return string
 990:    */
 991:   public function AddrAppend($type, $addr) {
 992:     $addr_str = $type . ': ';
 993:     $addresses = array();
 994:     foreach ($addr as $a) {
 995:       $addresses[] = $this->AddrFormat($a);
 996:     }
 997:     $addr_str .= implode(', ', $addresses);
 998:     $addr_str .= $this->LE;
 999: 
1000:     return $addr_str;
1001:   }
1002: 
1003:   /**
1004:    * Formats an address correctly.
1005:    * @access public
1006:    * @return string
1007:    */
1008:   public function AddrFormat($addr) {
1009:     if (empty($addr[1])) {
1010:       return $this->SecureHeader($addr[0]);
1011:     } else {
1012:       return $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">";
1013:     }
1014:   }
1015: 
1016:   /**
1017:    * Wraps message for use with mailers that do not
1018:    * automatically perform wrapping and for quoted-printable.
1019:    * Original written by philippe.
1020:    * @param string $message The message to wrap
1021:    * @param integer $length The line length to wrap to
1022:    * @param boolean $qp_mode Whether to run in Quoted-Printable mode
1023:    * @access public
1024:    * @return string
1025:    */
1026:   public function WrapText($message, $length, $qp_mode = false) {
1027:     $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
1028:     // If utf-8 encoding is used, we will need to make sure we don't
1029:     // split multibyte characters when we wrap
1030:     $is_utf8 = (strtolower($this->CharSet) == "utf-8");
1031: 
1032:     $message = $this->FixEOL($message);
1033:     if (substr($message, -1) == $this->LE) {
1034:       $message = substr($message, 0, -1);
1035:     }
1036: 
1037:     $line = explode($this->LE, $message);
1038:     $message = '';
1039:     for ($i = 0 ;$i < count($line); $i++) {
1040:       $line_part = explode(' ', $line[$i]);
1041:       $buf = '';
1042:       for ($e = 0; $e<count($line_part); $e++) {
1043:         $word = $line_part[$e];
1044:         if ($qp_mode and (strlen($word) > $length)) {
1045:           $space_left = $length - strlen($buf) - 1;
1046:           if ($e != 0) {
1047:             if ($space_left > 20) {
1048:               $len = $space_left;
1049:               if ($is_utf8) {
1050:                 $len = $this->UTF8CharBoundary($word, $len);
1051:               } elseif (substr($word, $len - 1, 1) == "=") {
1052:                 $len--;
1053:               } elseif (substr($word, $len - 2, 1) == "=") {
1054:                 $len -= 2;
1055:               }
1056:               $part = substr($word, 0, $len);
1057:               $word = substr($word, $len);
1058:               $buf .= ' ' . $part;
1059:               $message .= $buf . sprintf("=%s", $this->LE);
1060:             } else {
1061:               $message .= $buf . $soft_break;
1062:             }
1063:             $buf = '';
1064:           }
1065:           while (strlen($word) > 0) {
1066:             $len = $length;
1067:             if ($is_utf8) {
1068:               $len = $this->UTF8CharBoundary($word, $len);
1069:             } elseif (substr($word, $len - 1, 1) == "=") {
1070:               $len--;
1071:             } elseif (substr($word, $len - 2, 1) == "=") {
1072:               $len -= 2;
1073:             }
1074:             $part = substr($word, 0, $len);
1075:             $word = substr($word, $len);
1076: 
1077:             if (strlen($word) > 0) {
1078:               $message .= $part . sprintf("=%s", $this->LE);
1079:             } else {
1080:               $buf = $part;
1081:             }
1082:           }
1083:         } else {
1084:           $buf_o = $buf;
1085:           $buf .= ($e == 0) ? $word : (' ' . $word);
1086: 
1087:           if (strlen($buf) > $length and $buf_o != '') {
1088:             $message .= $buf_o . $soft_break;
1089:             $buf = $word;
1090:           }
1091:         }
1092:       }
1093:       $message .= $buf . $this->LE;
1094:     }
1095: 
1096:     return $message;
1097:   }
1098: 
1099:   /**
1100:    * Finds last character boundary prior to maxLength in a utf-8
1101:    * quoted (printable) encoded string.
1102:    * Original written by Colin Brown.
1103:    * @access public
1104:    * @param string $encodedText utf-8 QP text
1105:    * @param int    $maxLength   find last character boundary prior to this length
1106:    * @return int
1107:    */
1108:   public function UTF8CharBoundary($encodedText, $maxLength) {
1109:     $foundSplitPos = false;
1110:     $lookBack = 3;
1111:     while (!$foundSplitPos) {
1112:       $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
1113:       $encodedCharPos = strpos($lastChunk, "=");
1114:       if ($encodedCharPos !== false) {
1115:         // Found start of encoded character byte within $lookBack block.
1116:         // Check the encoded byte value (the 2 chars after the '=')
1117:         $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
1118:         $dec = hexdec($hex);
1119:         if ($dec < 128) { // Single byte character.
1120:           // If the encoded char was found at pos 0, it will fit
1121:           // otherwise reduce maxLength to start of the encoded char
1122:           $maxLength = ($encodedCharPos == 0) ? $maxLength :
1123:           $maxLength - ($lookBack - $encodedCharPos);
1124:           $foundSplitPos = true;
1125:         } elseif ($dec >= 192) { // First byte of a multi byte character
1126:           // Reduce maxLength to split at start of character
1127:           $maxLength = $maxLength - ($lookBack - $encodedCharPos);
1128:           $foundSplitPos = true;
1129:         } elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
1130:           $lookBack += 3;
1131:         }
1132:       } else {
1133:         // No encoded character found
1134:         $foundSplitPos = true;
1135:       }
1136:     }
1137:     return $maxLength;
1138:   }
1139: 
1140: 
1141:   /**
1142:    * Set the body wrapping.
1143:    * @access public
1144:    * @return void
1145:    */
1146:   public function SetWordWrap() {
1147:     if($this->WordWrap < 1) {
1148:       return;
1149:     }
1150: 
1151:     switch($this->message_type) {
1152:       case 'alt':
1153:       case 'alt_inline':
1154:       case 'alt_attach':
1155:       case 'alt_inline_attach':
1156:         $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
1157:         break;
1158:       default:
1159:         $this->Body = $this->WrapText($this->Body, $this->WordWrap);
1160:         break;
1161:     }
1162:   }
1163: 
1164:   /**
1165:    * Assembles message header.
1166:    * @access public
1167:    * @return string The assembled header
1168:    */
1169:   public function CreateHeader() {
1170:     $result = '';
1171: 
1172:     // Set the boundaries
1173:     $uniq_id = md5(uniqid(time()));
1174:     $this->boundary[1] = 'b1_' . $uniq_id;
1175:     $this->boundary[2] = 'b2_' . $uniq_id;
1176:     $this->boundary[3] = 'b3_' . $uniq_id;
1177: 
1178:     $result .= $this->HeaderLine('Date', self::RFCDate());
1179:     if($this->Sender == '') {
1180:       $result .= $this->HeaderLine('Return-Path', trim($this->From));
1181:     } else {
1182:       $result .= $this->HeaderLine('Return-Path', trim($this->Sender));
1183:     }
1184: 
1185:     // To be created automatically by mail()
1186:     if($this->Mailer != 'mail') {
1187:       if ($this->SingleTo === true) {
1188:         foreach($this->to as $t) {
1189:           $this->SingleToArray[] = $this->AddrFormat($t);
1190:         }
1191:       } else {
1192:         if(count($this->to) > 0) {
1193:           $result .= $this->AddrAppend('To', $this->to);
1194:         } elseif (count($this->cc) == 0) {
1195:           $result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
1196:         }
1197:       }
1198:     }
1199: 
1200:     $from = array();
1201:     $from[0][0] = trim($this->From);
1202:     $from[0][1] = $this->FromName;
1203:     $result .= $this->AddrAppend('From', $from);
1204: 
1205:     // sendmail and mail() extract Cc from the header before sending
1206:     if(count($this->cc) > 0) {
1207:       $result .= $this->AddrAppend('Cc', $this->cc);
1208:     }
1209: 
1210:     // sendmail and mail() extract Bcc from the header before sending
1211:     if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->bcc) > 0)) {
1212:       $result .= $this->AddrAppend('Bcc', $this->bcc);
1213:     }
1214: 
1215:     if(count($this->ReplyTo) > 0) {
1216:       $result .= $this->AddrAppend('Reply-To', $this->ReplyTo);
1217:     }
1218: 
1219:     // mail() sets the subject itself
1220:     if($this->Mailer != 'mail') {
1221:       $result .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader($this->Subject)));
1222:     }
1223: 
1224:     if($this->MessageID != '') {
1225:       $result .= $this->HeaderLine('Message-ID', $this->MessageID);
1226:     } else {
1227:       $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
1228:     }
1229:     $result .= $this->HeaderLine('X-Priority', $this->Priority);
1230:     if($this->XMailer) {
1231:       $result .= $this->HeaderLine('X-Mailer', $this->XMailer);
1232:     } else {
1233:       $result .= $this->HeaderLine('X-Mailer', 'PHPMailer '.$this->Version.' (http://code.google.com/a/apache-extras.org/p/phpmailer/)');
1234:     }
1235: 
1236:     if($this->ConfirmReadingTo != '') {
1237:       $result .= $this->HeaderLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');
1238:     }
1239: 
1240:     // Add custom headers
1241:     for($index = 0; $index < count($this->CustomHeader); $index++) {
1242:       $result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]), $this->EncodeHeader(trim($this->CustomHeader[$index][1])));
1243:     }
1244:     if (!$this->sign_key_file) {
1245:       $result .= $this->HeaderLine('MIME-Version', '1.0');
1246:       $result .= $this->GetMailMIME();
1247:     }
1248: 
1249:     return $result;
1250:   }
1251: 
1252:   /**
1253:    * Returns the message MIME.
1254:    * @access public
1255:    * @return string
1256:    */
1257:   public function GetMailMIME() {
1258:     $result = '';
1259:     switch($this->message_type) {
1260:       case 'plain':
1261:         $result .= $this->HeaderLine('Content-Transfer-Encoding', $this->Encoding);
1262:         $result .= $this->TextLine('Content-Type: '.$this->ContentType.'; charset="'.$this->CharSet.'"');
1263:         break;
1264:       case 'inline':
1265:         $result .= $this->HeaderLine('Content-Type', 'multipart/related;');
1266:         $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
1267:         break;
1268:       case 'attach':
1269:       case 'inline_attach':
1270:       case 'alt_attach':
1271:       case 'alt_inline_attach':
1272:         $result .= $this->HeaderLine('Content-Type', 'multipart/mixed;');
1273:         $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
1274:         break;
1275:       case 'alt':
1276:       case 'alt_inline':
1277:         $result .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
1278:         $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
1279:         break;
1280:     }
1281: 
1282:     if($this->Mailer != 'mail') {
1283:       $result .= $this->LE.$this->LE;
1284:     }
1285: 
1286:     return $result;
1287:   }
1288: 
1289:   /**
1290:    * Returns the MIME message (headers and body). Only really valid post PreSend().
1291:    * @access public
1292:    * @return string
1293:    */
1294:   public function GetSentMIMEMessage() {
1295:     return $this->SentMIMEMessage;
1296:   }
1297: 
1298: 
1299:   /**
1300:    * Assembles the message body.  Returns an empty string on failure.
1301:    * @access public
1302:    * @return string The assembled message body
1303:    */
1304:   public function CreateBody() {
1305:     $body = '';
1306: 
1307:     if ($this->sign_key_file) {
1308:       $body .= $this->GetMailMIME();
1309:     }
1310: 
1311:     $this->SetWordWrap();
1312: 
1313:     switch($this->message_type) {
1314:       case 'plain':
1315:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1316:         break;
1317:       case 'inline':
1318:         $body .= $this->GetBoundary($this->boundary[1], '', '', '');
1319:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1320:         $body .= $this->LE.$this->LE;
1321:         $body .= $this->AttachAll("inline", $this->boundary[1]);
1322:         break;
1323:       case 'attach':
1324:         $body .= $this->GetBoundary($this->boundary[1], '', '', '');
1325:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1326:         $body .= $this->LE.$this->LE;
1327:         $body .= $this->AttachAll("attachment", $this->boundary[1]);
1328:         break;
1329:       case 'inline_attach':
1330:         $body .= $this->TextLine("--" . $this->boundary[1]);
1331:         $body .= $this->HeaderLine('Content-Type', 'multipart/related;');
1332:         $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1333:         $body .= $this->LE;
1334:         $body .= $this->GetBoundary($this->boundary[2], '', '', '');
1335:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1336:         $body .= $this->LE.$this->LE;
1337:         $body .= $this->AttachAll("inline", $this->boundary[2]);
1338:         $body .= $this->LE;
1339:         $body .= $this->AttachAll("attachment", $this->boundary[1]);
1340:         break;
1341:       case 'alt':
1342:         $body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
1343:         $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1344:         $body .= $this->LE.$this->LE;
1345:         $body .= $this->GetBoundary($this->boundary[1], '', 'text/html', '');
1346:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1347:         $body .= $this->LE.$this->LE;
1348:         $body .= $this->EndBoundary($this->boundary[1]);
1349:         break;
1350:       case 'alt_inline':
1351:         $body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
1352:         $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1353:         $body .= $this->LE.$this->LE;
1354:         $body .= $this->TextLine("--" . $this->boundary[1]);
1355:         $body .= $this->HeaderLine('Content-Type', 'multipart/related;');
1356:         $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1357:         $body .= $this->LE;
1358:         $body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '');
1359:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1360:         $body .= $this->LE.$this->LE;
1361:         $body .= $this->AttachAll("inline", $this->boundary[2]);
1362:         $body .= $this->LE;
1363:         $body .= $this->EndBoundary($this->boundary[1]);
1364:         break;
1365:       case 'alt_attach':
1366:         $body .= $this->TextLine("--" . $this->boundary[1]);
1367:         $body .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
1368:         $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1369:         $body .= $this->LE;
1370:         $body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '');
1371:         $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1372:         $body .= $this->LE.$this->LE;
1373:         $body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '');
1374:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1375:         $body .= $this->LE.$this->LE;
1376:         $body .= $this->EndBoundary($this->boundary[2]);
1377:         $body .= $this->LE;
1378:         $body .= $this->AttachAll("attachment", $this->boundary[1]);
1379:         break;
1380:       case 'alt_inline_attach':
1381:         $body .= $this->TextLine("--" . $this->boundary[1]);
1382:         $body .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
1383:         $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1384:         $body .= $this->LE;
1385:         $body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '');
1386:         $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1387:         $body .= $this->LE.$this->LE;
1388:         $body .= $this->TextLine("--" . $this->boundary[2]);
1389:         $body .= $this->HeaderLine('Content-Type', 'multipart/related;');
1390:         $body .= $this->TextLine("\tboundary=\"" . $this->boundary[3] . '"');
1391:         $body .= $this->LE;
1392:         $body .= $this->GetBoundary($this->boundary[3], '', 'text/html', '');
1393:         $body .= $this->EncodeString($this->Body, $this->Encoding);
1394:         $body .= $this->LE.$this->LE;
1395:         $body .= $this->AttachAll("inline", $this->boundary[3]);
1396:         $body .= $this->LE;
1397:         $body .= $this->EndBoundary($this->boundary[2]);
1398:         $body .= $this->LE;
1399:         $body .= $this->AttachAll("attachment", $this->boundary[1]);
1400:         break;
1401:     }
1402: 
1403:     if ($this->IsError()) {
1404:       $body = '';
1405:     } elseif ($this->sign_key_file) {
1406:       try {
1407:         $file = tempnam('', 'mail');
1408:         file_put_contents($file, $body); //TODO check this worked
1409:         $signed = tempnam("", "signed");
1410:         if (@openssl_pkcs7_sign($file, $signed, "file://".$this->sign_cert_file, array("file://".$this->sign_key_file, $this->sign_key_pass), NULL)) {
1411:           @unlink($file);
1412:           $body = file_get_contents($signed);
1413:           @unlink($signed);
1414:         } else {
1415:           @unlink($file);
1416:           @unlink($signed);
1417:           throw new Exception($this->Lang("signing").openssl_error_string());
1418:         }
1419:       } catch (Exception $e) {
1420:         $body = '';
1421:         if ($this->exceptions) {
1422:           throw $e;
1423:         }
1424:       }
1425:     }
1426: 
1427:     return $body;
1428:   }
1429: 
1430:   /**
1431:    * Returns the start of a message boundary.
1432:    * @access protected
1433:    * @return string
1434:    */
1435:   protected function GetBoundary($boundary, $charSet, $contentType, $encoding) {
1436:     $result = '';
1437:     if($charSet == '') {
1438:       $charSet = $this->CharSet;
1439:     }
1440:     if($contentType == '') {
1441:       $contentType = $this->ContentType;
1442:     }
1443:     if($encoding == '') {
1444:       $encoding = $this->Encoding;
1445:     }
1446:     $result .= $this->TextLine('--' . $boundary);
1447:     $result .= sprintf("Content-Type: %s; charset=\"%s\"", $contentType, $charSet);
1448:     $result .= $this->LE;
1449:     $result .= $this->HeaderLine('Content-Transfer-Encoding', $encoding);
1450:     $result .= $this->LE;
1451: 
1452:     return $result;
1453:   }
1454: 
1455:   /**
1456:    * Returns the end of a message boundary.
1457:    * @access protected
1458:    * @return string
1459:    */
1460:   protected function EndBoundary($boundary) {
1461:     return $this->LE . '--' . $boundary . '--' . $this->LE;
1462:   }
1463: 
1464:   /**
1465:    * Sets the message type.
1466:    * @access protected
1467:    * @return void
1468:    */
1469:   protected function SetMessageType() {
1470:     $this->message_type = array();
1471:     if($this->AlternativeExists()) $this->message_type[] = "alt";
1472:     if($this->InlineImageExists()) $this->message_type[] = "inline";
1473:     if($this->AttachmentExists()) $this->message_type[] = "attach";
1474:     $this->message_type = implode("_", $this->message_type);
1475:     if($this->message_type == "") $this->message_type = "plain";
1476:   }
1477: 
1478:   /**
1479:    *  Returns a formatted header line.
1480:    * @access public
1481:    * @return string
1482:    */
1483:   public function HeaderLine($name, $value) {
1484:     return $name . ': ' . $value . $this->LE;
1485:   }
1486: 
1487:   /**
1488:    * Returns a formatted mail line.
1489:    * @access public
1490:    * @return string
1491:    */
1492:   public function TextLine($value) {
1493:     return $value . $this->LE;
1494:   }
1495: 
1496:   /////////////////////////////////////////////////
1497:   // CLASS METHODS, ATTACHMENTS
1498:   /////////////////////////////////////////////////
1499: 
1500:   /**
1501:    * Adds an attachment from a path on the filesystem.
1502:    * Returns false if the file could not be found
1503:    * or accessed.
1504:    * @param string $path Path to the attachment.
1505:    * @param string $name Overrides the attachment name.
1506:    * @param string $encoding File encoding (see $Encoding).
1507:    * @param string $type File extension (MIME) type.
1508:    * @return bool
1509:    */
1510:   public function AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
1511:     try {
1512:       if ( !@is_file($path) ) {
1513:         throw new Exception($this->Lang('file_access') . $path, self::STOP_CONTINUE);
1514:       }
1515:       $filename = basename($path);
1516:       if ( $name == '' ) {
1517:         $name = $filename;
1518:       }
1519: 
1520:       $this->attachment[] = array(
1521:         0 => $path,
1522:         1 => $filename,
1523:         2 => $name,
1524:         3 => $encoding,
1525:         4 => $type,
1526:         5 => false,  // isStringAttachment
1527:         6 => 'attachment',
1528:         7 => 0
1529:       );
1530: 
1531:     } catch (Exception $e) {
1532:       $this->SetError($e->getMessage());
1533:       if ($this->exceptions) {
1534:         throw $e;
1535:       }
1536:       if ($this->SMTPDebug) {
1537:         echo $e->getMessage()."\n";
1538:       }
1539:       if ( $e->getCode() == self::STOP_CRITICAL ) {
1540:         return false;
1541:       }
1542:     }
1543:     return true;
1544:   }
1545: 
1546:   /**
1547:   * Return the current array of attachments
1548:   * @return array
1549:   */
1550:   public function GetAttachments() {
1551:     return $this->attachment;
1552:   }
1553: 
1554:   /**
1555:    * Attaches all fs, string, and binary attachments to the message.
1556:    * Returns an empty string on failure.
1557:    * @access protected
1558:    * @return string
1559:    */
1560:   protected function AttachAll($disposition_type, $boundary) {
1561:     // Return text of body
1562:     $mime = array();
1563:     $cidUniq = array();
1564:     $incl = array();
1565: 
1566:     // Add all attachments
1567:     foreach ($this->attachment as $attachment) {
1568:       // CHECK IF IT IS A VALID DISPOSITION_FILTER
1569:       if($attachment[6] == $disposition_type) {
1570:         // Check for string attachment
1571:         $bString = $attachment[5];
1572:         if ($bString) {
1573:           $string = $attachment[0];
1574:         } else {
1575:           $path = $attachment[0];
1576:         }
1577: 
1578:         $inclhash = md5(serialize($attachment));
1579:         if (in_array($inclhash, $incl)) { continue; }
1580:         $incl[]      = $inclhash;
1581:         $filename    = $attachment[1];
1582:         $name        = $attachment[2];
1583:         $encoding    = $attachment[3];
1584:         $type        = $attachment[4];
1585:         $disposition = $attachment[6];
1586:         $cid         = $attachment[7];
1587:         if ( $disposition == 'inline' && isset($cidUniq[$cid]) ) { continue; }
1588:         $cidUniq[$cid] = true;
1589: 
1590:         $mime[] = sprintf("--%s%s", $boundary, $this->LE);
1591:         $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $this->EncodeHeader($this->SecureHeader($name)), $this->LE);
1592:         $mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);
1593: 
1594:         if($disposition == 'inline') {
1595:           $mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);
1596:         }
1597: 
1598:         $mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s", $disposition, $this->EncodeHeader($this->SecureHeader($name)), $this->LE.$this->LE);
1599: 
1600:         // Encode as string attachment
1601:         if($bString) {
1602:           $mime[] = $this->EncodeString($string, $encoding);
1603:           if($this->IsError()) {
1604:             return '';
1605:           }
1606:           $mime[] = $this->LE.$this->LE;
1607:         } else {
1608:           $mime[] = $this->EncodeFile($path, $encoding);
1609:           if($this->IsError()) {
1610:             return '';
1611:           }
1612:           $mime[] = $this->LE.$this->LE;
1613:         }
1614:       }
1615:     }
1616: 
1617:     $mime[] = sprintf("--%s--%s", $boundary, $this->LE);
1618: 
1619:     return implode("", $mime);
1620:   }
1621: 
1622:   /**
1623:    * Encodes attachment in requested format.
1624:    * Returns an empty string on failure.
1625:    * @param string $path The full path to the file
1626:    * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
1627:    * @see EncodeFile()
1628:    * @access protected
1629:    * @return string
1630:    */
1631:   protected function EncodeFile($path, $encoding = 'base64') {
1632:     try {
1633:       if (!is_readable($path)) {
1634:         throw new Exception($this->Lang('file_open') . $path, self::STOP_CONTINUE);
1635:       }
1636:       if (function_exists('get_magic_quotes')) {
1637:         function get_magic_quotes() {
1638:           return false;
1639:         }
1640:       }
1641:       $magic_quotes = get_magic_quotes_runtime();
1642:       if ($magic_quotes) {
1643:         if (version_compare(PHP_VERSION, '5.3.0', '<')) {
1644:           set_magic_quotes_runtime(0);
1645:         } else {
1646:           ini_set('magic_quotes_runtime', 0); 
1647:         }
1648:       }
1649:       $file_buffer  = file_get_contents($path);
1650:       $file_buffer  = $this->EncodeString($file_buffer, $encoding);
1651:       if ($magic_quotes) {
1652:         if (version_compare(PHP_VERSION, '5.3.0', '<')) {
1653:           set_magic_quotes_runtime($magic_quotes);
1654:         } else {
1655:           ini_set('magic_quotes_runtime', $magic_quotes); 
1656:         }
1657:       }
1658:       return $file_buffer;
1659:     } catch (Exception $e) {
1660:       $this->SetError($e->getMessage());
1661:       return '';
1662:     }
1663:   }
1664: 
1665:   /**
1666:    * Encodes string to requested format.
1667:    * Returns an empty string on failure.
1668:    * @param string $str The text to encode
1669:    * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
1670:    * @access public
1671:    * @return string
1672:    */
1673:   public function EncodeString($str, $encoding = 'base64') {
1674:     $encoded = '';
1675:     switch(strtolower($encoding)) {
1676:       case 'base64':
1677:         $encoded = chunk_split(base64_encode($str), 76, $this->LE);
1678:         break;
1679:       case '7bit':
1680:       case '8bit':
1681:         $encoded = $this->FixEOL($str);
1682:         //Make sure it ends with a line break
1683:         if (substr($encoded, -(strlen($this->LE))) != $this->LE)
1684:           $encoded .= $this->LE;
1685:         break;
1686:       case 'binary':
1687:         $encoded = $str;
1688:         break;
1689:       case 'quoted-printable':
1690:         $encoded = $this->EncodeQP($str);
1691:         break;
1692:       default:
1693:         $this->SetError($this->Lang('encoding') . $encoding);
1694:         break;
1695:     }
1696:     return $encoded;
1697:   }
1698: 
1699:   /**
1700:    * Encode a header string to best (shortest) of Q, B, quoted or none.
1701:    * @access public
1702:    * @return string
1703:    */
1704:   public function EncodeHeader($str, $position = 'text') {
1705:     $x = 0;
1706: 
1707:     switch (strtolower($position)) {
1708:       case 'phrase':
1709:         if (!preg_match('/[\200-\377]/', $str)) {
1710:           // Can't use addslashes as we don't know what value has magic_quotes_sybase
1711:           $encoded = addcslashes($str, "\0..\37\177\\\"");
1712:           if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
1713:             return ($encoded);
1714:           } else {
1715:             return ("\"$encoded\"");
1716:           }
1717:         }
1718:         $x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
1719:         break;
1720:       case 'comment':
1721:         $x = preg_match_all('/[()"]/', $str, $matches);
1722:         // Fall-through
1723:       case 'text':
1724:       default:
1725:         $x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
1726:         break;
1727:     }
1728: 
1729:     if ($x == 0) {
1730:       return ($str);
1731:     }
1732: 
1733:     $maxlen = 75 - 7 - strlen($this->CharSet);
1734:     // Try to select the encoding which should produce the shortest output
1735:     if (strlen($str)/3 < $x) {
1736:       $encoding = 'B';
1737:       if (function_exists('mb_strlen') && $this->HasMultiBytes($str)) {
1738:         // Use a custom function which correctly encodes and wraps long
1739:         // multibyte strings without breaking lines within a character
1740:         $encoded = $this->Base64EncodeWrapMB($str);
1741:       } else {
1742:         $encoded = base64_encode($str);
1743:         $maxlen -= $maxlen % 4;
1744:         $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
1745:       }
1746:     } else {
1747:       $encoding = 'Q';
1748:       $encoded = $this->EncodeQ($str, $position);
1749:       $encoded = $this->WrapText($encoded, $maxlen, true);
1750:       $encoded = str_replace('='.$this->LE, "\n", trim($encoded));
1751:     }
1752: 
1753:     $encoded = preg_replace('/^(.*)$/m', " =?".$this->CharSet."?$encoding?\\1?=", $encoded);
1754:     $encoded = trim(str_replace("\n", $this->LE, $encoded));
1755: 
1756:     return $encoded;
1757:   }
1758: 
1759:   /**
1760:    * Checks if a string contains multibyte characters.
1761:    * @access public
1762:    * @param string $str multi-byte text to wrap encode
1763:    * @return bool
1764:    */
1765:   public function HasMultiBytes($str) {
1766:     if (function_exists('mb_strlen')) {
1767:       return (strlen($str) > mb_strlen($str, $this->CharSet));
1768:     } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
1769:       return false;
1770:     }
1771:   }
1772: 
1773:   /**
1774:    * Correctly encodes and wraps long multibyte strings for mail headers
1775:    * without breaking lines within a character.
1776:    * Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php
1777:    * @access public
1778:    * @param string $str multi-byte text to wrap encode
1779:    * @return string
1780:    */
1781:   public function Base64EncodeWrapMB($str) {
1782:     $start = "=?".$this->CharSet."?B?";
1783:     $end = "?=";
1784:     $encoded = "";
1785: 
1786:     $mb_length = mb_strlen($str, $this->CharSet);
1787:     // Each line must have length <= 75, including $start and $end
1788:     $length = 75 - strlen($start) - strlen($end);
1789:     // Average multi-byte ratio
1790:     $ratio = $mb_length / strlen($str);
1791:     // Base64 has a 4:3 ratio
1792:     $offset = $avgLength = floor($length * $ratio * .75);
1793: 
1794:     for ($i = 0; $i < $mb_length; $i += $offset) {
1795:       $lookBack = 0;
1796: 
1797:       do {
1798:         $offset = $avgLength - $lookBack;
1799:         $chunk = mb_substr($str, $i, $offset, $this->CharSet);
1800:         $chunk = base64_encode($chunk);
1801:         $lookBack++;
1802:       }
1803:       while (strlen($chunk) > $length);
1804: 
1805:       $encoded .= $chunk . $this->LE;
1806:     }
1807: 
1808:     // Chomp the last linefeed
1809:     $encoded = substr($encoded, 0, -strlen($this->LE));
1810:     return $encoded;
1811:   }
1812: 
1813:   /**
1814:   * Encode string to quoted-printable.
1815:   * Only uses standard PHP, slow, but will always work
1816:   * @access public
1817:   * @param string $string the text to encode
1818:   * @param integer $line_max Number of chars allowed on a line before wrapping
1819:   * @return string
1820:   */
1821:   public function EncodeQPphp( $input = '', $line_max = 76, $space_conv = false) {
1822:     $hex = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
1823:     $lines = preg_split('/(?:\r\n|\r|\n)/', $input);
1824:     $eol = "\r\n";
1825:     $escape = '=';
1826:     $output = '';
1827:     while( list(, $line) = each($lines) ) {
1828:       $linlen = strlen($line);
1829:       $newline = '';
1830:       for($i = 0; $i < $linlen; $i++) {
1831:         $c = substr( $line, $i, 1 );
1832:         $dec = ord( $c );
1833:         if ( ( $i == 0 ) && ( $dec == 46 ) ) { // convert first point in the line into =2E
1834:           $c = '=2E';
1835:         }
1836:         if ( $dec == 32 ) {
1837:           if ( $i == ( $linlen - 1 ) ) { // convert space at eol only
1838:             $c = '=20';
1839:           } else if ( $space_conv ) {
1840:             $c = '=20';
1841:           }
1842:         } elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
1843:           $h2 = floor($dec/16);
1844:           $h1 = floor($dec%16);
1845:           $c = $escape.$hex[$h2].$hex[$h1];
1846:         }
1847:         if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted
1848:           $output .= $newline.$escape.$eol; //  soft line break; " =\r\n" is okay
1849:           $newline = '';
1850:           // check if newline first character will be point or not
1851:           if ( $dec == 46 ) {
1852:             $c = '=2E';
1853:           }
1854:         }
1855:         $newline .= $c;
1856:       } // end of for
1857:       $output .= $newline.$eol;
1858:     } // end of while
1859:     return $output;
1860:   }
1861: 
1862:   /**
1863:   * Encode string to RFC2045 (6.7) quoted-printable format
1864:   * Uses a PHP5 stream filter to do the encoding about 64x faster than the old version
1865:   * Also results in same content as you started with after decoding
1866:   * @see EncodeQPphp()
1867:   * @access public
1868:   * @param string $string the text to encode
1869:   * @param integer $line_max Number of chars allowed on a line before wrapping
1870:   * @param boolean $space_conv Dummy param for compatibility with existing EncodeQP function
1871:   * @return string
1872:   * @author Marcus Bointon
1873:   */
1874:   public function EncodeQP($string, $line_max = 76, $space_conv = false) {
1875:     if (function_exists('quoted_printable_encode')) { //Use native function if it's available (>= PHP5.3)
1876:       return quoted_printable_encode($string);
1877:     }
1878:     $filters = stream_get_filters();
1879:     if (!in_array('convert.*', $filters)) { //Got convert stream filter?
1880:       return $this->EncodeQPphp($string, $line_max, $space_conv); //Fall back to old implementation
1881:     }
1882:     $fp = fopen('php://temp/', 'r+');
1883:     $string = preg_replace('/\r\n?/', $this->LE, $string); //Normalise line breaks
1884:     $params = array('line-length' => $line_max, 'line-break-chars' => $this->LE);
1885:     $s = stream_filter_append($fp, 'convert.quoted-printable-encode', STREAM_FILTER_READ, $params);
1886:     fputs($fp, $string);
1887:     rewind($fp);
1888:     $out = stream_get_contents($fp);
1889:     stream_filter_remove($s);
1890:     $out = preg_replace('/^\./m', '=2E', $out); //Encode . if it is first char on a line, workaround for bug in Exchange
1891:     fclose($fp);
1892:     return $out;
1893:   }
1894: 
1895:   /**
1896:    * Encode string to q encoding.
1897:    * @link http://tools.ietf.org/html/rfc2047
1898:    * @param string $str the text to encode
1899:    * @param string $position Where the text is going to be used, see the RFC for what that means
1900:    * @access public
1901:    * @return string
1902:    */
1903:   public function EncodeQ($str, $position = 'text') {
1904:     // There should not be any EOL in the string
1905:     $encoded = preg_replace('/[\r\n]*/', '', $str);
1906: 
1907:     switch (strtolower($position)) {
1908:       case 'phrase':
1909:         $encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
1910:         break;
1911:       case 'comment':
1912:         $encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
1913:       case 'text':
1914:       default:
1915:         // Replace every high ascii, control =, ? and _ characters
1916:         //TODO using /e (equivalent to eval()) is probably not a good idea
1917:         $encoded = preg_replace('/([\000-\011\013\014\016-\037\075\077\137\177-\377])/e',
1918:                                 "'='.sprintf('%02X', ord(stripslashes('\\1')))", $encoded);
1919:         break;
1920:     }
1921: 
1922:     // Replace every spaces to _ (more readable than =20)
1923:     $encoded = str_replace(' ', '_', $encoded);
1924: 
1925:     return $encoded;
1926:   }
1927: 
1928:   /**
1929:    * Adds a string or binary attachment (non-filesystem) to the list.
1930:    * This method can be used to attach ascii or binary data,
1931:    * such as a BLOB record from a database.
1932:    * @param string $string String attachment data.
1933:    * @param string $filename Name of the attachment.
1934:    * @param string $encoding File encoding (see $Encoding).
1935:    * @param string $type File extension (MIME) type.
1936:    * @return void
1937:    */
1938:   public function AddStringAttachment($string, $filename, $encoding = 'base64', $type = 'application/octet-stream') {
1939:     // Append to $attachment array
1940:     $this->attachment[] = array(
1941:       0 => $string,
1942:       1 => $filename,
1943:       2 => basename($filename),
1944:       3 => $encoding,
1945:       4 => $type,
1946:       5 => true,  // isStringAttachment
1947:       6 => 'attachment',
1948:       7 => 0
1949:     );
1950:   }
1951: 
1952:   /**
1953:    * Adds an embedded attachment.  This can include images, sounds, and
1954:    * just about any other document.  Make sure to set the $type to an
1955:    * image type.  For JPEG images use "image/jpeg" and for GIF images
1956:    * use "image/gif".
1957:    * @param string $path Path to the attachment.
1958:    * @param string $cid Content ID of the attachment.  Use this to identify
1959:    *        the Id for accessing the image in an HTML form.
1960:    * @param string $name Overrides the attachment name.
1961:    * @param string $encoding File encoding (see $Encoding).
1962:    * @param string $type File extension (MIME) type.
1963:    * @return bool
1964:    */
1965:   public function AddEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
1966: 
1967:     if ( !@is_file($path) ) {
1968:       $this->SetError($this->Lang('file_access') . $path);
1969:       return false;
1970:     }
1971: 
1972:     $filename = basename($path);
1973:     if ( $name == '' ) {
1974:       $name = $filename;
1975:     }
1976: 
1977:     // Append to $attachment array
1978:     $this->attachment[] = array(
1979:       0 => $path,
1980:       1 => $filename,
1981:       2 => $name,
1982:       3 => $encoding,
1983:       4 => $type,
1984:       5 => false,  // isStringAttachment
1985:       6 => 'inline',
1986:       7 => $cid
1987:     );
1988: 
1989:     return true;
1990:   }
1991: 
1992:   public function AddStringEmbeddedImage($string, $cid, $filename = '', $encoding = 'base64', $type = 'application/octet-stream') {
1993:     // Append to $attachment array
1994:     $this->attachment[] = array(
1995:       0 => $string,
1996:       1 => $filename,
1997:       2 => basename($filename),
1998:       3 => $encoding,
1999:       4 => $type,
2000:       5 => true,  // isStringAttachment
2001:       6 => 'inline',
2002:       7 => $cid
2003:     );
2004:   }
2005: 
2006:   /**
2007:    * Returns true if an inline attachment is present.
2008:    * @access public
2009:    * @return bool
2010:    */
2011:   public function InlineImageExists() {
2012:     foreach($this->attachment as $attachment) {
2013:       if ($attachment[6] == 'inline') {
2014:         return true;
2015:       }
2016:     }
2017:     return false;
2018:   }
2019: 
2020:   public function AttachmentExists() {
2021:     foreach($this->attachment as $attachment) {
2022:       if ($attachment[6] == 'attachment') {
2023:         return true;
2024:       }
2025:     }
2026:     return false;
2027:   }
2028: 
2029:   public function AlternativeExists() {
2030:     return strlen($this->AltBody)>0;
2031:   }
2032: 
2033:   /////////////////////////////////////////////////
2034:   // CLASS METHODS, MESSAGE RESET
2035:   /////////////////////////////////////////////////
2036: 
2037:   /**
2038:    * Clears all recipients assigned in the TO array.  Returns void.
2039:    * @return void
2040:    */
2041:   public function ClearAddresses() {
2042:     foreach($this->to as $to) {
2043:       unset($this->all_recipients[strtolower($to[0])]);
2044:     }
2045:     $this->to = array();
2046:   }
2047: 
2048:   /**
2049:    * Clears all recipients assigned in the CC array.  Returns void.
2050:    * @return void
2051:    */
2052:   public function ClearCCs() {
2053:     foreach($this->cc as $cc) {
2054:       unset($this->all_recipients[strtolower($cc[0])]);
2055:     }
2056:     $this->cc = array();
2057:   }
2058: 
2059:   /**
2060:    * Clears all recipients assigned in the BCC array.  Returns void.
2061:    * @return void
2062:    */
2063:   public function ClearBCCs() {
2064:     foreach($this->bcc as $bcc) {
2065:       unset($this->all_recipients[strtolower($bcc[0])]);
2066:     }
2067:     $this->bcc = array();
2068:   }
2069: 
2070:   /**
2071:    * Clears all recipients assigned in the ReplyTo array.  Returns void.
2072:    * @return void
2073:    */
2074:   public function ClearReplyTos() {
2075:     $this->ReplyTo = array();
2076:   }
2077: 
2078:   /**
2079:    * Clears all recipients assigned in the TO, CC and BCC
2080:    * array.  Returns void.
2081:    * @return void
2082:    */
2083:   public function ClearAllRecipients() {
2084:     $this->to = array();
2085:     $this->cc = array();
2086:     $this->bcc = array();
2087:     $this->all_recipients = array();
2088:   }
2089: 
2090:   /**
2091:    * Clears all previously set filesystem, string, and binary
2092:    * attachments.  Returns void.
2093:    * @return void
2094:    */
2095:   public function ClearAttachments() {
2096:     $this->attachment = array();
2097:   }
2098: 
2099:   /**
2100:    * Clears all custom headers.  Returns void.
2101:    * @return void
2102:    */
2103:   public function ClearCustomHeaders() {
2104:     $this->CustomHeader = array();
2105:   }
2106: 
2107:   /////////////////////////////////////////////////
2108:   // CLASS METHODS, MISCELLANEOUS
2109:   /////////////////////////////////////////////////
2110: 
2111:   /**
2112:    * Adds the error message to the error container.
2113:    * @access protected
2114:    * @return void
2115:    */
2116:   protected function SetError($msg) {
2117:     $this->error_count++;
2118:     if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
2119:       $lasterror = $this->smtp->getError();
2120:       if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror)) {
2121:         $msg .= '<p>' . $this->Lang('smtp_error') . $lasterror['smtp_msg'] . "</p>\n";
2122:       }
2123:     }
2124:     $this->ErrorInfo = $msg;
2125:   }
2126: 
2127:   /**
2128:    * Returns the proper RFC 822 formatted date.
2129:    * @access public
2130:    * @return string
2131:    * @static
2132:    */
2133:   public static function RFCDate() {
2134:     $tz = date('Z');
2135:     $tzs = ($tz < 0) ? '-' : '+';
2136:     $tz = abs($tz);
2137:     $tz = (int)($tz/3600)*100 + ($tz%3600)/60;
2138:     $result = sprintf("%s %s%04d", date('D, j M Y H:i:s'), $tzs, $tz);
2139: 
2140:     return $result;
2141:   }
2142: 
2143:   /**
2144:    * Returns the server hostname or 'localhost.localdomain' if unknown.
2145:    * @access protected
2146:    * @return string
2147:    */
2148:   protected function ServerHostname() {
2149:     if (!empty($this->Hostname)) {
2150:       $result = $this->Hostname;
2151:     } elseif (isset($_SERVER['SERVER_NAME'])) {
2152:       $result = $_SERVER['SERVER_NAME'];
2153:     } else {
2154:       $result = 'localhost.localdomain';
2155:     }
2156: 
2157:     return $result;
2158:   }
2159: 
2160:   /**
2161:    * Returns a message in the appropriate language.
2162:    * @access protected
2163:    * @return string
2164:    */
2165:   protected function Lang($key) {
2166:     if(count($this->language) < 1) {
2167:       $this->SetLanguage('en'); // set the default language
2168:     }
2169: 
2170:     if(isset($this->language[$key])) {
2171:       return $this->language[$key];
2172:     } else {
2173:       return 'Language string failed to load: ' . $key;
2174:     }
2175:   }
2176: 
2177:   /**
2178:    * Returns true if an error occurred.
2179:    * @access public
2180:    * @return bool
2181:    */
2182:   public function IsError() {
2183:     return ($this->error_count > 0);
2184:   }
2185: 
2186:   /**
2187:    * Changes every end of line from CR or LF to CRLF.
2188:    * @access public
2189:    * @return string
2190:    */
2191:   public function FixEOL($str) {
2192:     $str = str_replace("\r\n", "\n", $str);
2193:     $str = str_replace("\r", "\n", $str);
2194:     $str = str_replace("\n", $this->LE, $str);
2195:     return $str;
2196:   }
2197: 
2198:   /**
2199:    * Adds a custom header.
2200:    * @access public
2201:    * @return void
2202:    */
2203:   public function AddCustomHeader($custom_header) {
2204:     $this->CustomHeader[] = explode(':', $custom_header, 2);
2205:   }
2206: 
2207:   /**
2208:    * Evaluates the message and returns modifications for inline images and backgrounds
2209:    * @access public
2210:    * @return $message
2211:    */
2212:   public function MsgHTML($message, $basedir = '') {
2213:     preg_match_all("/(src|background)=[\"'](.*)[\"']/Ui", $message, $images);
2214:     if(isset($images[2])) {
2215:       foreach($images[2] as $i => $url) {
2216:         // do not change urls for absolute images (thanks to corvuscorax)
2217:         if (!preg_match('#^[A-z]+://#', $url)) {
2218:           $filename = basename($url);
2219:           $directory = dirname($url);
2220:           ($directory == '.') ? $directory='': '';
2221:           $cid = 'cid:' . md5($filename);
2222:           $ext = pathinfo($filename, PATHINFO_EXTENSION);
2223:           $mimeType  = self::_mime_types($ext);
2224:           if ( strlen($basedir) > 1 && substr($basedir, -1) != '/') { $basedir .= '/'; }
2225:           if ( strlen($directory) > 1 && substr($directory, -1) != '/') { $directory .= '/'; }
2226:           if ( $this->AddEmbeddedImage($basedir.$directory.$filename, md5($filename), $filename, 'base64', $mimeType) ) {
2227:             $message = preg_replace("/".$images[1][$i]."=[\"']".preg_quote($url, '/')."[\"']/Ui", $images[1][$i]."=\"".$cid."\"", $message);
2228:           }
2229:         }
2230:       }
2231:     }
2232:     $this->IsHTML(true);
2233:     $this->Body = $message;
2234:     if (empty($this->AltBody)) {
2235:         $textMsg = trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/s', '', $message)));
2236:         if (!empty($textMsg)) {
2237:             $this->AltBody = html_entity_decode($textMsg, ENT_QUOTES, $this->CharSet);
2238:         }
2239:     }
2240:     if (empty($this->AltBody)) {
2241:       $this->AltBody = 'To view this email message, open it in a program that understands HTML!' . "\n\n";
2242:     }
2243:     return $message;
2244:   }
2245: 
2246:   /**
2247:    * Gets the MIME type of the embedded or inline image
2248:    * @param string File extension
2249:    * @access public
2250:    * @return string MIME type of ext
2251:    * @static
2252:    */
2253:   public static function _mime_types($ext = '') {
2254:     $mimes = array(
2255:       'hqx'   =>  'application/mac-binhex40',
2256:       'cpt'   =>  'application/mac-compactpro',
2257:       'doc'   =>  'application/msword',
2258:       'bin'   =>  'application/macbinary',
2259:       'dms'   =>  'application/octet-stream',
2260:       'lha'   =>  'application/octet-stream',
2261:       'lzh'   =>  'application/octet-stream',
2262:       'exe'   =>  'application/octet-stream',
2263:       'class' =>  'application/octet-stream',
2264:       'psd'   =>  'application/octet-stream',
2265:       'so'    =>  'application/octet-stream',
2266:       'sea'   =>  'application/octet-stream',
2267:       'dll'   =>  'application/octet-stream',
2268:       'oda'   =>  'application/oda',
2269:       'pdf'   =>  'application/pdf',
2270:       'ai'    =>  'application/postscript',
2271:       'eps'   =>  'application/postscript',
2272:       'ps'    =>  'application/postscript',
2273:       'smi'   =>  'application/smil',
2274:       'smil'  =>  'application/smil',
2275:       'mif'   =>  'application/vnd.mif',
2276:       'xls'   =>  'application/vnd.ms-excel',
2277:       'ppt'   =>  'application/vnd.ms-powerpoint',
2278:       'wbxml' =>  'application/vnd.wap.wbxml',
2279:       'wmlc'  =>  'application/vnd.wap.wmlc',
2280:       'dcr'   =>  'application/x-director',
2281:       'dir'   =>  'application/x-director',
2282:       'dxr'   =>  'application/x-director',
2283:       'dvi'   =>  'application/x-dvi',
2284:       'gtar'  =>  'application/x-gtar',
2285:       'php'   =>  'application/x-httpd-php',
2286:       'php4'  =>  'application/x-httpd-php',
2287:       'php3'  =>  'application/x-httpd-php',
2288:       'phtml' =>  'application/x-httpd-php',
2289:       'phps'  =>  'application/x-httpd-php-source',
2290:       'js'    =>  'application/x-javascript',
2291:       'swf'   =>  'application/x-shockwave-flash',
2292:       'sit'   =>  'application/x-stuffit',
2293:       'tar'   =>  'application/x-tar',
2294:       'tgz'   =>  'application/x-tar',
2295:       'xhtml' =>  'application/xhtml+xml',
2296:       'xht'   =>  'application/xhtml+xml',
2297:       'zip'   =>  'application/zip',
2298:       'mid'   =>  'audio/midi',
2299:       'midi'  =>  'audio/midi',
2300:       'mpga'  =>  'audio/mpeg',
2301:       'mp2'   =>  'audio/mpeg',
2302:       'mp3'   =>  'audio/mpeg',
2303:       'aif'   =>  'audio/x-aiff',
2304:       'aiff'  =>  'audio/x-aiff',
2305:       'aifc'  =>  'audio/x-aiff',
2306:       'ram'   =>  'audio/x-pn-realaudio',
2307:       'rm'    =>  'audio/x-pn-realaudio',
2308:       'rpm'   =>  'audio/x-pn-realaudio-plugin',
2309:       'ra'    =>  'audio/x-realaudio',
2310:       'rv'    =>  'video/vnd.rn-realvideo',
2311:       'wav'   =>  'audio/x-wav',
2312:       'bmp'   =>  'image/bmp',
2313:       'gif'   =>  'image/gif',
2314:       'jpeg'  =>  'image/jpeg',
2315:       'jpg'   =>  'image/jpeg',
2316:       'jpe'   =>  'image/jpeg',
2317:       'png'   =>  'image/png',
2318:       'tiff'  =>  'image/tiff',
2319:       'tif'   =>  'image/tiff',
2320:       'css'   =>  'text/css',
2321:       'html'  =>  'text/html',
2322:       'htm'   =>  'text/html',
2323:       'shtml' =>  'text/html',
2324:       'txt'   =>  'text/plain',
2325:       'text'  =>  'text/plain',
2326:       'log'   =>  'text/plain',
2327:       'rtx'   =>  'text/richtext',
2328:       'rtf'   =>  'text/rtf',
2329:       'xml'   =>  'text/xml',
2330:       'xsl'   =>  'text/xml',
2331:       'mpeg'  =>  'video/mpeg',
2332:       'mpg'   =>  'video/mpeg',
2333:       'mpe'   =>  'video/mpeg',
2334:       'qt'    =>  'video/quicktime',
2335:       'mov'   =>  'video/quicktime',
2336:       'avi'   =>  'video/x-msvideo',
2337:       'movie' =>  'video/x-sgi-movie',
2338:       'doc'   =>  'application/msword',
2339:       'word'  =>  'application/msword',
2340:       'xl'    =>  'application/excel',
2341:       'eml'   =>  'message/rfc822'
2342:     );
2343:     return (!isset($mimes[strtolower($ext)])) ? 'application/octet-stream' : $mimes[strtolower($ext)];
2344:   }
2345: 
2346:   /**
2347:   * Set (or reset) Class Objects (variables)
2348:   *
2349:   * Usage Example:
2350:   * $page->set('X-Priority', '3');
2351:   *
2352:   * @access public
2353:   * @param string $name Parameter Name
2354:   * @param mixed $value Parameter Value
2355:   * NOTE: will not work with arrays, there are no arrays to set/reset
2356:   * @todo Should this not be using __set() magic function?
2357:   */
2358:   public function set($name, $value = '') {
2359:     try {
2360:       if (isset($this->$name) ) {
2361:         $this->$name = $value;
2362:       } else {
2363:         throw new Exception($this->Lang('variable_set') . $name, self::STOP_CRITICAL);
2364:       }
2365:     } catch (Exception $e) {
2366:       $this->SetError($e->getMessage());
2367:       if ($e->getCode() == self::STOP_CRITICAL) {
2368:         return false;
2369:       }
2370:     }
2371:     return true;
2372:   }
2373: 
2374:   /**
2375:    * Strips newlines to prevent header injection.
2376:    * @access public
2377:    * @param string $str String
2378:    * @return string
2379:    */
2380:   public function SecureHeader($str) {
2381:     $str = str_replace("\r", '', $str);
2382:     $str = str_replace("\n", '', $str);
2383:     return trim($str);
2384:   }
2385: 
2386:   /**
2387:    * Set the private key file and password to sign the message.
2388:    *
2389:    * @access public
2390:    * @param string $key_filename Parameter File Name
2391:    * @param string $key_pass Password for private key
2392:    */
2393:   public function Sign($cert_filename, $key_filename, $key_pass) {
2394:     $this->sign_cert_file = $cert_filename;
2395:     $this->sign_key_file = $key_filename;
2396:     $this->sign_key_pass = $key_pass;
2397:   }
2398: 
2399:   /**
2400:    * Set the private key file and password to sign the message.
2401:    *
2402:    * @access public
2403:    * @param string $key_filename Parameter File Name
2404:    * @param string $key_pass Password for private key
2405:    */
2406:   public function DKIM_QP($txt) {
2407:     $tmp = '';
2408:     $line = '';
2409:     for ($i = 0; $i < strlen($txt); $i++) {
2410:       $ord = ord($txt[$i]);
2411:       if ( ((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E)) ) {
2412:         $line .= $txt[$i];
2413:       } else {
2414:         $line .= "=".sprintf("%02X", $ord);
2415:       }
2416:     }
2417:     return $line;
2418:   }
2419: 
2420:   /**
2421:    * Generate DKIM signature
2422:    *
2423:    * @access public
2424:    * @param string $s Header
2425:    */
2426:   public function DKIM_Sign($s) {
2427:     $privKeyStr = file_get_contents($this->DKIM_private);
2428:     if ($this->DKIM_passphrase != '') {
2429:       $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
2430:     } else {
2431:       $privKey = $privKeyStr;
2432:     }
2433:     if (openssl_sign($s, $signature, $privKey)) {
2434:       return base64_encode($signature);
2435:     }
2436:   }
2437: 
2438:   /**
2439:    * Generate DKIM Canonicalization Header
2440:    *
2441:    * @access public
2442:    * @param string $s Header
2443:    */
2444:   public function DKIM_HeaderC($s) {
2445:     $s = preg_replace("/\r\n\s+/", " ", $s);
2446:     $lines = explode("\r\n", $s);
2447:     foreach ($lines as $key => $line) {
2448:       list($heading, $value) = explode(":", $line, 2);
2449:       $heading = strtolower($heading);
2450:       $value = preg_replace("/\s+/", " ", $value) ; // Compress useless spaces
2451:       $lines[$key] = $heading.":".trim($value) ; // Don't forget to remove WSP around the value
2452:     }
2453:     $s = implode("\r\n", $lines);
2454:     return $s;
2455:   }
2456: 
2457:   /**
2458:    * Generate DKIM Canonicalization Body
2459:    *
2460:    * @access public
2461:    * @param string $body Message Body
2462:    */
2463:   public function DKIM_BodyC($body) {
2464:     if ($body == '') return "\r\n";
2465:     // stabilize line endings
2466:     $body = str_replace("\r\n", "\n", $body);
2467:     $body = str_replace("\n", "\r\n", $body);
2468:     // END stabilize line endings
2469:     while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
2470:       $body = substr($body, 0, strlen($body) - 2);
2471:     }
2472:     return $body;
2473:   }
2474: 
2475:   /**
2476:    * Create the DKIM header, body, as new header
2477:    *
2478:    * @access public
2479:    * @param string $headers_line Header lines
2480:    * @param string $subject Subject
2481:    * @param string $body Body
2482:    */
2483:   public function DKIM_Add($headers_line, $subject, $body) {
2484:     $DKIMsignatureType    = 'rsa-sha1'; // Signature & hash algorithms
2485:     $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
2486:     $DKIMquery            = 'dns/txt'; // Query method
2487:     $DKIMtime             = time() ; // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
2488:     $subject_header       = "Subject: $subject";
2489:     $headers              = explode($this->LE, $headers_line);
2490:     foreach($headers as $header) {
2491:       if (strpos($header, 'From:') === 0) {
2492:         $from_header = $header;
2493:       } elseif (strpos($header, 'To:') === 0) {
2494:         $to_header = $header;
2495:       }
2496:     }
2497:     $from     = str_replace('|', '=7C', $this->DKIM_QP($from_header));
2498:     $to       = str_replace('|', '=7C', $this->DKIM_QP($to_header));
2499:     $subject  = str_replace('|', '=7C', $this->DKIM_QP($subject_header)) ; // Copied header fields (dkim-quoted-printable
2500:     $body     = $this->DKIM_BodyC($body);
2501:     $DKIMlen  = strlen($body) ; // Length of body
2502:     $DKIMb64  = base64_encode(pack("H*", sha1($body))) ; // Base64 of packed binary SHA-1 hash of body
2503:     $ident    = ($this->DKIM_identity == '')? '' : " i=" . $this->DKIM_identity . ";";
2504:     $dkimhdrs = "DKIM-Signature: v=1; a=" . $DKIMsignatureType . "; q=" . $DKIMquery . "; l=" . $DKIMlen . "; s=" . $this->DKIM_selector . ";\r\n".
2505:                 "\tt=" . $DKIMtime . "; c=" . $DKIMcanonicalization . ";\r\n".
2506:                 "\th=From:To:Subject;\r\n".
2507:                 "\td=" . $this->DKIM_domain . ";" . $ident . "\r\n".
2508:                 "\tz=$from\r\n".
2509:                 "\t|$to\r\n".
2510:                 "\t|$subject;\r\n".
2511:                 "\tbh=" . $DKIMb64 . ";\r\n".
2512:                 "\tb=";
2513:     $toSign   = $this->DKIM_HeaderC($from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs);
2514:     $signed   = $this->DKIM_Sign($toSign);
2515:     return "X-PHPMAILER-DKIM: phpmailer.worxware.com\r\n".$dkimhdrs.$signed."\r\n";
2516:   }
2517: 
2518:   protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body) {
2519:     if (!empty($this->action_function) && function_exists($this->action_function)) {
2520:       $params = array($isSent, $to, $cc, $bcc, $subject, $body);
2521:       call_user_func_array($this->action_function, $params);
2522:     }
2523:   }
2524: }
2525: ?>
2526: