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   1  <?php
   2  /*~ class.phpmailer.php
   3  .---------------------------------------------------------------------------.
   4  |  Software: PHPMailer - PHP email class                                    |
   5  |   Version: 5.2.4                                                          |
   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 creation and 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   * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
  35   */
  36  
  37  if (version_compare(PHP_VERSION, '5.0.0', '<') ) exit("Sorry, this version of PHPMailer will only run on PHP version 5 or greater!\n");
  38  
  39  /**
  40   * PHP email creation and transport class
  41   * @package PHPMailer
  42   */
  43  class PHPMailer {
  44  
  45    /////////////////////////////////////////////////
  46    // PROPERTIES, PUBLIC
  47    /////////////////////////////////////////////////
  48  
  49    /**
  50     * Email priority (1 = High, 3 = Normal, 5 = low).
  51     * @var int
  52     */
  53    public $Priority          = 3;
  54  
  55    /**
  56     * Sets the CharSet of the message.
  57     * @var string
  58     */
  59    public $CharSet           = 'iso-8859-1';
  60  
  61    /**
  62     * Sets the Content-type of the message.
  63     * @var string
  64     */
  65    public $ContentType       = 'text/plain';
  66  
  67    /**
  68     * Sets the Encoding of the message. Options for this are
  69     *  "8bit", "7bit", "binary", "base64", and "quoted-printable".
  70     * @var string
  71     */
  72    public $Encoding          = '8bit';
  73  
  74    /**
  75     * Holds the most recent mailer error message.
  76     * @var string
  77     */
  78    public $ErrorInfo         = '';
  79  
  80    /**
  81     * Sets the From email address for the message.
  82     * @var string
  83     */
  84    public $From              = 'root@localhost';
  85  
  86    /**
  87     * Sets the From name of the message.
  88     * @var string
  89     */
  90    public $FromName          = 'Root User';
  91  
  92    /**
  93     * Sets the Sender email (Return-Path) of the message.  If not empty,
  94     * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
  95     * @var string
  96     */
  97    public $Sender            = '';
  98  
  99    /**
 100     * Sets the Return-Path of the message.  If empty, it will
 101     * be set to either From or Sender.
 102     * @var string
 103     */
 104    public $ReturnPath        = '';
 105  
 106    /**
 107     * Sets the Subject of the message.
 108     * @var string
 109     */
 110    public $Subject           = '';
 111  
 112    /**
 113     * Sets the Body of the message.  This can be either an HTML or text body.
 114     * If HTML then run IsHTML(true).
 115     * @var string
 116     */
 117    public $Body              = '';
 118  
 119    /**
 120     * Sets the text-only body of the message.  This automatically sets the
 121     * email to multipart/alternative.  This body can be read by mail
 122     * clients that do not have HTML email capability such as mutt. Clients
 123     * that can read HTML will view the normal Body.
 124     * @var string
 125     */
 126    public $AltBody           = '';
 127  
 128    /**
 129     * Stores the complete compiled MIME message body.
 130     * @var string
 131     * @access protected
 132     */
 133    protected $MIMEBody       = '';
 134  
 135    /**
 136     * Stores the complete compiled MIME message headers.
 137     * @var string
 138     * @access protected
 139     */
 140    protected $MIMEHeader     = '';
 141  
 142    /**
 143     * Stores the extra header list which CreateHeader() doesn't fold in
 144     * @var string
 145     * @access protected
 146    */
 147    protected $mailHeader     = '';
 148  
 149    /**
 150     * Sets word wrapping on the body of the message to a given number of
 151     * characters.
 152     * @var int
 153     */
 154    public $WordWrap          = 0;
 155  
 156    /**
 157     * Method to send mail: ("mail", "sendmail", or "smtp").
 158     * @var string
 159     */
 160    public $Mailer            = 'mail';
 161  
 162    /**
 163     * Sets the path of the sendmail program.
 164     * @var string
 165     */
 166    public $Sendmail          = '/usr/sbin/sendmail';
 167  
 168    /**
 169     * Determine if mail() uses a fully sendmail compatible MTA that
 170     * supports sendmail's "-oi -f" options
 171     * @var boolean
 172     */
 173    public $UseSendmailOptions    = true;
 174    
 175    /**
 176     * Path to PHPMailer plugins.  Useful if the SMTP class
 177     * is in a different directory than the PHP include path.
 178     * @var string
 179     */
 180    public $PluginDir         = '';
 181  
 182    /**
 183     * Sets the email address that a reading confirmation will be sent.
 184     * @var string
 185     */
 186    public $ConfirmReadingTo  = '';
 187  
 188    /**
 189     * Sets the hostname to use in Message-Id and Received headers
 190     * and as default HELO string. If empty, the value returned
 191     * by SERVER_NAME is used or 'localhost.localdomain'.
 192     * @var string
 193     */
 194    public $Hostname          = '';
 195  
 196    /**
 197     * Sets the message ID to be used in the Message-Id header.
 198     * If empty, a unique id will be generated.
 199     * @var string
 200     */
 201    public $MessageID         = '';
 202  
 203    /**
 204     * Sets the message Date to be used in the Date header.
 205     * If empty, the current date will be added.
 206     * @var string
 207     */
 208    public $MessageDate       = '';
 209  
 210    /////////////////////////////////////////////////
 211    // PROPERTIES FOR SMTP
 212    /////////////////////////////////////////////////
 213  
 214    /**
 215     * Sets the SMTP hosts.
 216     *
 217     * All hosts must be separated by a
 218     * semicolon.  You can also specify a different port
 219     * for each host by using this format: [hostname:port]
 220     * (e.g. "smtp1.example.com:25;smtp2.example.com").
 221     * Hosts will be tried in order.
 222     * @var string
 223     */
 224    public $Host          = 'localhost';
 225  
 226    /**
 227     * Sets the default SMTP server port.
 228     * @var int
 229     */
 230    public $Port          = 25;
 231  
 232    /**
 233     * Sets the SMTP HELO of the message (Default is $Hostname).
 234     * @var string
 235     */
 236    public $Helo          = '';
 237  
 238    /**
 239     * Sets connection prefix. Options are "", "ssl" or "tls"
 240     * @var string
 241     */
 242    public $SMTPSecure    = '';
 243  
 244    /**
 245     * Sets SMTP authentication. Utilizes the Username and Password variables.
 246     * @var bool
 247     */
 248    public $SMTPAuth      = false;
 249  
 250    /**
 251     * Sets SMTP username.
 252     * @var string
 253     */
 254    public $Username      = '';
 255  
 256    /**
 257     * Sets SMTP password.
 258     * @var string
 259     */
 260    public $Password      = '';
 261  
 262    /**
 263     *  Sets SMTP auth type. Options are LOGIN | PLAIN | NTLM  (default LOGIN)
 264     *  @var string
 265     */
 266    public $AuthType      = '';
 267    
 268    /**
 269     *  Sets SMTP realm.
 270     *  @var string
 271     */
 272    public $Realm         = '';
 273  
 274    /**
 275     *  Sets SMTP workstation.
 276     *  @var string
 277     */
 278    public $Workstation   = '';
 279  
 280    /**
 281     * Sets the SMTP server timeout in seconds.
 282     * This function will not work with the win32 version.
 283     * @var int
 284     */
 285    public $Timeout       = 10;
 286  
 287    /**
 288     * Sets SMTP class debugging on or off.
 289     * @var bool
 290     */
 291    public $SMTPDebug     = false;
 292  
 293    /**
 294     * Sets the function/method to use for debugging output.
 295     * Right now we only honor "echo" or "error_log"
 296     * @var string
 297     */
 298    public $Debugoutput     = "echo";
 299  
 300    /**
 301     * Prevents the SMTP connection from being closed after each mail
 302     * sending.  If this is set to true then to close the connection
 303     * requires an explicit call to SmtpClose().
 304     * @var bool
 305     */
 306    public $SMTPKeepAlive = false;
 307  
 308    /**
 309     * Provides the ability to have the TO field process individual
 310     * emails, instead of sending to entire TO addresses
 311     * @var bool
 312     */
 313    public $SingleTo      = false;
 314  
 315     /**
 316     * If SingleTo is true, this provides the array to hold the email addresses
 317     * @var bool
 318     */
 319    public $SingleToArray = array();
 320  
 321   /**
 322     * Provides the ability to change the generic line ending
 323     * NOTE: The default remains '\n'. We force CRLF where we KNOW
 324     *        it must be used via self::CRLF
 325     * @var string
 326     */
 327    public $LE              = "\n";
 328  
 329     /**
 330     * Used with DKIM Signing
 331     * required parameter if DKIM is enabled
 332     *
 333     * domain selector example domainkey
 334     * @var string
 335     */
 336    public $DKIM_selector   = '';
 337  
 338    /**
 339     * Used with DKIM Signing
 340     * required if DKIM is enabled, in format of email address 'you@yourdomain.com' typically used as the source of the email
 341     * @var string
 342     */
 343    public $DKIM_identity   = '';
 344  
 345    /**
 346     * Used with DKIM Signing
 347     * optional parameter if your private key requires a passphras
 348     * @var string
 349     */
 350    public $DKIM_passphrase   = '';
 351  
 352    /**
 353     * Used with DKIM Singing
 354     * required if DKIM is enabled, in format of email address 'domain.com'
 355     * @var string
 356     */
 357    public $DKIM_domain     = '';
 358  
 359    /**
 360     * Used with DKIM Signing
 361     * required if DKIM is enabled, path to private key file
 362     * @var string
 363     */
 364    public $DKIM_private    = '';
 365  
 366    /**
 367     * Callback Action function name.
 368     * The function that handles the result of the send email action.
 369     * It is called out by Send() for each email sent.
 370     *
 371     * Value can be:
 372     * - 'function_name' for function names
 373     * - 'Class::Method' for static method calls
 374     * - array($object, 'Method') for calling methods on $object
 375     * See http://php.net/is_callable manual page for more details.
 376     *
 377     * Parameters:
 378     *   bool    $result        result of the send action
 379     *   string  $to            email address of the recipient
 380     *   string  $cc            cc email addresses
 381     *   string  $bcc           bcc email addresses
 382     *   string  $subject       the subject
 383     *   string  $body          the email body
 384     *   string  $from          email address of sender
 385     * @var string
 386     */
 387    public $action_function = ''; //'callbackAction';
 388  
 389    /**
 390     * Sets the PHPMailer Version number
 391     * @var string
 392     */
 393    public $Version         = '5.2.4';
 394  
 395    /**
 396     * What to use in the X-Mailer header
 397     * @var string NULL for default, whitespace for None, or actual string to use
 398     */
 399    public $XMailer         = '';
 400  
 401    /////////////////////////////////////////////////
 402    // PROPERTIES, PRIVATE AND PROTECTED
 403    /////////////////////////////////////////////////
 404  
 405    /**
 406     * @var SMTP An instance of the SMTP sender class
 407     * @access protected
 408     */
 409    protected   $smtp           = null;
 410    /**
 411     * @var array An array of 'to' addresses
 412     * @access protected
 413     */
 414    protected   $to             = array();
 415    /**
 416     * @var array An array of 'cc' addresses
 417     * @access protected
 418     */
 419    protected   $cc             = array();
 420    /**
 421     * @var array An array of 'bcc' addresses
 422     * @access protected
 423     */
 424    protected   $bcc            = array();
 425    /**
 426     * @var array An array of reply-to name and address
 427     * @access protected
 428     */
 429    protected   $ReplyTo        = array();
 430    /**
 431     * @var array An array of all kinds of addresses: to, cc, bcc, replyto
 432     * @access protected
 433     */
 434    protected   $all_recipients = array();
 435    /**
 436     * @var array An array of attachments
 437     * @access protected
 438     */
 439    protected   $attachment     = array();
 440    /**
 441     * @var array An array of custom headers
 442     * @access protected
 443     */
 444    protected   $CustomHeader   = array();
 445    /**
 446     * @var string The message's MIME type
 447     * @access protected
 448     */
 449    protected   $message_type   = '';
 450    /**
 451     * @var array An array of MIME boundary strings
 452     * @access protected
 453     */
 454    protected   $boundary       = array();
 455    /**
 456     * @var array An array of available languages
 457     * @access protected
 458     */
 459    protected   $language       = array();
 460    /**
 461     * @var integer The number of errors encountered
 462     * @access protected
 463     */
 464    protected   $error_count    = 0;
 465    /**
 466     * @var string The filename of a DKIM certificate file
 467     * @access protected
 468     */
 469    protected   $sign_cert_file = '';
 470    /**
 471     * @var string The filename of a DKIM key file
 472     * @access protected
 473     */
 474    protected   $sign_key_file  = '';
 475    /**
 476     * @var string The password of a DKIM key
 477     * @access protected
 478     */
 479    protected   $sign_key_pass  = '';
 480    /**
 481     * @var boolean Whether to throw exceptions for errors
 482     * @access protected
 483     */
 484    protected   $exceptions     = false;
 485  
 486    /////////////////////////////////////////////////
 487    // CONSTANTS
 488    /////////////////////////////////////////////////
 489  
 490    const STOP_MESSAGE  = 0; // message only, continue processing
 491    const STOP_CONTINUE = 1; // message?, likely ok to continue processing
 492    const STOP_CRITICAL = 2; // message, plus full stop, critical error reached
 493    const CRLF = "\r\n";     // SMTP RFC specified EOL
 494    
 495    /////////////////////////////////////////////////
 496    // METHODS, VARIABLES
 497    /////////////////////////////////////////////////
 498  
 499    /**
 500     * Calls actual mail() function, but in a safe_mode aware fashion
 501     * Also, unless sendmail_path points to sendmail (or something that
 502     * claims to be sendmail), don't pass params (not a perfect fix,
 503     * but it will do)
 504     * @param string $to To
 505     * @param string $subject Subject
 506     * @param string $body Message Body
 507     * @param string $header Additional Header(s)
 508     * @param string $params Params
 509     * @access private
 510     * @return bool
 511     */
 512    private function mail_passthru($to, $subject, $body, $header, $params) {
 513      if ( ini_get('safe_mode') || !($this->UseSendmailOptions) ) {
 514          $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($subject)), $body, $header);
 515      } else {
 516          $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($subject)), $body, $header, $params);
 517      }
 518      return $rt;
 519    }
 520  
 521    /**
 522     * Outputs debugging info via user-defined method
 523     * @param string $str
 524     */
 525    private function edebug($str) {
 526      if ($this->Debugoutput == "error_log") {
 527          error_log($str);
 528      } else {
 529          echo $str;
 530      }
 531    }
 532  
 533    /**
 534     * Constructor
 535     * @param boolean $exceptions Should we throw external exceptions?
 536     */
 537    public function __construct($exceptions = false) {
 538      $this->exceptions = ($exceptions == true);
 539    }
 540  
 541    /**
 542     * Sets message type to HTML.
 543     * @param bool $ishtml
 544     * @return void
 545     */
 546    public function IsHTML($ishtml = true) {
 547      if ($ishtml) {
 548        $this->ContentType = 'text/html';
 549      } else {
 550        $this->ContentType = 'text/plain';
 551      }
 552    }
 553  
 554    /**
 555     * Sets Mailer to send message using SMTP.
 556     * @return void
 557     */
 558    public function IsSMTP() {
 559      $this->Mailer = 'smtp';
 560    }
 561  
 562    /**
 563     * Sets Mailer to send message using PHP mail() function.
 564     * @return void
 565     */
 566    public function IsMail() {
 567      $this->Mailer = 'mail';
 568    }
 569  
 570    /**
 571     * Sets Mailer to send message using the $Sendmail program.
 572     * @return void
 573     */
 574    public function IsSendmail() {
 575      if (!stristr(ini_get('sendmail_path'), 'sendmail')) {
 576        $this->Sendmail = '/var/qmail/bin/sendmail';
 577      }
 578      $this->Mailer = 'sendmail';
 579    }
 580  
 581    /**
 582     * Sets Mailer to send message using the qmail MTA.
 583     * @return void
 584     */
 585    public function IsQmail() {
 586      if (stristr(ini_get('sendmail_path'), 'qmail')) {
 587        $this->Sendmail = '/var/qmail/bin/sendmail';
 588      }
 589      $this->Mailer = 'sendmail';
 590    }
 591  
 592    /////////////////////////////////////////////////
 593    // METHODS, RECIPIENTS
 594    /////////////////////////////////////////////////
 595  
 596    /**
 597     * Adds a "To" address.
 598     * @param string $address
 599     * @param string $name
 600     * @return boolean true on success, false if address already used
 601     */
 602    public function AddAddress($address, $name = '') {
 603      return $this->AddAnAddress('to', $address, $name);
 604    }
 605  
 606    /**
 607     * Adds a "Cc" address.
 608     * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
 609     * @param string $address
 610     * @param string $name
 611     * @return boolean true on success, false if address already used
 612     */
 613    public function AddCC($address, $name = '') {
 614      return $this->AddAnAddress('cc', $address, $name);
 615    }
 616  
 617    /**
 618     * Adds a "Bcc" address.
 619     * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
 620     * @param string $address
 621     * @param string $name
 622     * @return boolean true on success, false if address already used
 623     */
 624    public function AddBCC($address, $name = '') {
 625      return $this->AddAnAddress('bcc', $address, $name);
 626    }
 627  
 628    /**
 629     * Adds a "Reply-to" address.
 630     * @param string $address
 631     * @param string $name
 632     * @return boolean
 633     */
 634    public function AddReplyTo($address, $name = '') {
 635      return $this->AddAnAddress('Reply-To', $address, $name);
 636    }
 637  
 638    /**
 639     * Adds an address to one of the recipient arrays
 640     * Addresses that have been added already return false, but do not throw exceptions
 641     * @param string $kind One of 'to', 'cc', 'bcc', 'ReplyTo'
 642     * @param string $address The email address to send to
 643     * @param string $name
 644     * @throws phpmailerException
 645     * @return boolean true on success, false if address already used or invalid in some way
 646     * @access protected
 647     */
 648    protected function AddAnAddress($kind, $address, $name = '') {
 649      if (!preg_match('/^(to|cc|bcc|Reply-To)$/', $kind)) {
 650        $this->SetError($this->Lang('Invalid recipient array').': '.$kind);
 651        if ($this->exceptions) {
 652          throw new phpmailerException('Invalid recipient array: ' . $kind);
 653        }
 654        if ($this->SMTPDebug) {
 655          $this->edebug($this->Lang('Invalid recipient array').': '.$kind);
 656        }
 657        return false;
 658      }
 659      $address = trim($address);
 660      $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
 661      if (!$this->ValidateAddress($address)) {
 662        $this->SetError($this->Lang('invalid_address').': '. $address);
 663        if ($this->exceptions) {
 664          throw new phpmailerException($this->Lang('invalid_address').': '.$address);
 665        }
 666        if ($this->SMTPDebug) {
 667          $this->edebug($this->Lang('invalid_address').': '.$address);
 668        }
 669        return false;
 670      }
 671      if ($kind != 'Reply-To') {
 672        if (!isset($this->all_recipients[strtolower($address)])) {
 673          array_push($this->$kind, array($address, $name));
 674          $this->all_recipients[strtolower($address)] = true;
 675          return true;
 676        }
 677      } else {
 678        if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
 679          $this->ReplyTo[strtolower($address)] = array($address, $name);
 680        return true;
 681      }
 682    }
 683    return false;
 684  }
 685  
 686  /**
 687   * Set the From and FromName properties
 688   * @param string $address
 689   * @param string $name
 690   * @param int $auto Also set Reply-To and Sender
 691     * @throws phpmailerException
 692   * @return boolean
 693   */
 694    public function SetFrom($address, $name = '', $auto = 1) {
 695      $address = trim($address);
 696      $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
 697      if (!$this->ValidateAddress($address)) {
 698        $this->SetError($this->Lang('invalid_address').': '. $address);
 699        if ($this->exceptions) {
 700          throw new phpmailerException($this->Lang('invalid_address').': '.$address);
 701        }
 702        if ($this->SMTPDebug) {
 703          $this->edebug($this->Lang('invalid_address').': '.$address);
 704        }
 705        return false;
 706      }
 707      $this->From = $address;
 708      $this->FromName = $name;
 709      if ($auto) {
 710        if (empty($this->ReplyTo)) {
 711          $this->AddAnAddress('Reply-To', $address, $name);
 712        }
 713        if (empty($this->Sender)) {
 714          $this->Sender = $address;
 715        }
 716      }
 717      return true;
 718    }
 719  
 720    /**
 721     * Check that a string looks roughly like an email address should
 722     * Static so it can be used without instantiation, public so people can overload
 723     * Conforms to RFC5322: Uses *correct* regex on which FILTER_VALIDATE_EMAIL is
 724     * based; So why not use FILTER_VALIDATE_EMAIL? Because it was broken to
 725     * not allow a@b type valid addresses :(
 726     * Some Versions of PHP break on the regex though, likely due to PCRE, so use
 727     * the older validation method for those users. (http://php.net/manual/en/pcre.installation.php)
 728     * @link http://squiloople.com/2009/12/20/email-address-validation/
 729     * @copyright regex Copyright Michael Rushton 2009-10 | http://squiloople.com/ | Feel free to use and redistribute this code. But please keep this copyright notice.
 730     * @param string $address The email address to check
 731     * @return boolean
 732     * @static
 733     * @access public
 734     */
 735    public static function ValidateAddress($address) {
 736      if ((defined('PCRE_VERSION')) && (version_compare(PCRE_VERSION, '8.0') >= 0)) {
 737        return preg_match('/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)((?>(?>(?>((?>(?>(?>\x0D\x0A)?[     ])+|(?>[     ]*\x0D\x0A)?[     ]+)?)(\((?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}|(?!(?:.*[a-f0-9][:\]]){7,})((?6)(?>:(?6)){0,5})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:|(?!(?:.*[a-f0-9]:){5,})(?8)?::(?>((?6)(?>:(?6)){0,3}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD', $address);
 738      } elseif (function_exists('filter_var')) { //Introduced in PHP 5.2
 739          if(filter_var($address, FILTER_VALIDATE_EMAIL) === FALSE) {
 740            return false;
 741          } else {
 742            return true;
 743          }
 744      } else {
 745          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_]?)|(?:\[(?:(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\.){3}(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\]))$/', $address);
 746      }
 747    }
 748  
 749    /////////////////////////////////////////////////
 750    // METHODS, MAIL SENDING
 751    /////////////////////////////////////////////////
 752  
 753    /**
 754     * Creates message and assigns Mailer. If the message is
 755     * not sent successfully then it returns false.  Use the ErrorInfo
 756     * variable to view description of the error.
 757     * @throws phpmailerException
 758     * @return bool
 759     */
 760    public function Send() {
 761      try {
 762        if(!$this->PreSend()) return false;
 763        return $this->PostSend();
 764      } catch (phpmailerException $e) {
 765        $this->mailHeader = '';
 766        $this->SetError($e->getMessage());
 767        if ($this->exceptions) {
 768          throw $e;
 769        }
 770        return false;
 771      }
 772    }
 773  
 774    /**
 775     * Prep mail by constructing all message entities
 776     * @throws phpmailerException
 777     * @return bool
 778     */
 779    public function PreSend() {
 780      try {
 781        $this->mailHeader = "";
 782        if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
 783          throw new phpmailerException($this->Lang('provide_address'), self::STOP_CRITICAL);
 784        }
 785  
 786        // Set whether the message is multipart/alternative
 787        if(!empty($this->AltBody)) {
 788          $this->ContentType = 'multipart/alternative';
 789        }
 790  
 791        $this->error_count = 0; // reset errors
 792        $this->SetMessageType();
 793        //Refuse to send an empty message
 794        if (empty($this->Body)) {
 795          throw new phpmailerException($this->Lang('empty_message'), self::STOP_CRITICAL);
 796        }
 797  
 798        $this->MIMEHeader = $this->CreateHeader();
 799        $this->MIMEBody = $this->CreateBody();
 800  
 801        // To capture the complete message when using mail(), create
 802        // an extra header list which CreateHeader() doesn't fold in
 803        if ($this->Mailer == 'mail') {
 804          if (count($this->to) > 0) {
 805            $this->mailHeader .= $this->AddrAppend("To", $this->to);
 806          } else {
 807            $this->mailHeader .= $this->HeaderLine("To", "undisclosed-recipients:;");
 808          }
 809          $this->mailHeader .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader(trim($this->Subject))));
 810          // if(count($this->cc) > 0) {
 811              // $this->mailHeader .= $this->AddrAppend("Cc", $this->cc);
 812          // }
 813        }
 814  
 815        // digitally sign with DKIM if enabled
 816        if (!empty($this->DKIM_domain) && !empty($this->DKIM_private) && !empty($this->DKIM_selector) && !empty($this->DKIM_domain) && file_exists($this->DKIM_private)) {
 817          $header_dkim = $this->DKIM_Add($this->MIMEHeader, $this->EncodeHeader($this->SecureHeader($this->Subject)), $this->MIMEBody);
 818          $this->MIMEHeader = str_replace("\r\n", "\n", $header_dkim) . $this->MIMEHeader;
 819        }
 820  
 821        return true;
 822  
 823      } catch (phpmailerException $e) {
 824        $this->SetError($e->getMessage());
 825        if ($this->exceptions) {
 826          throw $e;
 827        }
 828        return false;
 829      }
 830    }
 831  
 832    /**
 833     * Actual Email transport function
 834     * Send the email via the selected mechanism
 835     * @throws phpmailerException
 836     * @return bool
 837     */
 838    public function PostSend() {
 839      try {
 840        // Choose the mailer and send through it
 841        switch($this->Mailer) {
 842          case 'sendmail':
 843            return $this->SendmailSend($this->MIMEHeader, $this->MIMEBody);
 844          case 'smtp':
 845            return $this->SmtpSend($this->MIMEHeader, $this->MIMEBody);
 846          case 'mail':
 847            return $this->MailSend($this->MIMEHeader, $this->MIMEBody);
 848          default:
 849            return $this->MailSend($this->MIMEHeader, $this->MIMEBody);
 850        }
 851      } catch (phpmailerException $e) {
 852        $this->SetError($e->getMessage());
 853        if ($this->exceptions) {
 854          throw $e;
 855        }
 856        if ($this->SMTPDebug) {
 857          $this->edebug($e->getMessage()."\n");
 858        }
 859      }
 860      return false;
 861    }
 862  
 863    /**
 864     * Sends mail using the $Sendmail program.
 865     * @param string $header The message headers
 866     * @param string $body The message body
 867     * @throws phpmailerException
 868     * @access protected
 869     * @return bool
 870     */
 871    protected function SendmailSend($header, $body) {
 872      if ($this->Sender != '') {
 873        $sendmail = sprintf("%s -oi -f%s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
 874      } else {
 875        $sendmail = sprintf("%s -oi -t", escapeshellcmd($this->Sendmail));
 876      }
 877      if ($this->SingleTo === true) {
 878        foreach ($this->SingleToArray as $val) {
 879          if(!@$mail = popen($sendmail, 'w')) {
 880            throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 881          }
 882          fputs($mail, "To: " . $val . "\n");
 883          fputs($mail, $header);
 884          fputs($mail, $body);
 885          $result = pclose($mail);
 886          // implement call back function if it exists
 887          $isSent = ($result == 0) ? 1 : 0;
 888          $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
 889          if($result != 0) {
 890            throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 891          }
 892        }
 893      } else {
 894        if(!@$mail = popen($sendmail, 'w')) {
 895          throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 896        }
 897        fputs($mail, $header);
 898        fputs($mail, $body);
 899        $result = pclose($mail);
 900        // implement call back function if it exists
 901        $isSent = ($result == 0) ? 1 : 0;
 902        $this->doCallback($isSent, $this->to, $this->cc, $this->bcc, $this->Subject, $body);
 903        if($result != 0) {
 904          throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
 905        }
 906      }
 907      return true;
 908    }
 909  
 910    /**
 911     * Sends mail using the PHP mail() function.
 912     * @param string $header The message headers
 913     * @param string $body The message body
 914       * @throws phpmailerException
 915     * @access protected
 916     * @return bool
 917     */
 918    protected function MailSend($header, $body) {
 919      $toArr = array();
 920      foreach($this->to as $t) {
 921        $toArr[] = $this->AddrFormat($t);
 922      }
 923      $to = implode(', ', $toArr);
 924  
 925      if (empty($this->Sender)) {
 926        $params = " ";
 927      } else {
 928        $params = sprintf("-f%s", $this->Sender);
 929      }
 930      if ($this->Sender != '' and !ini_get('safe_mode')) {
 931        $old_from = ini_get('sendmail_from');
 932        ini_set('sendmail_from', $this->Sender);
 933      }
 934        $rt = false;
 935      if ($this->SingleTo === true && count($toArr) > 1) {
 936        foreach ($toArr as $val) {
 937          $rt = $this->mail_passthru($val, $this->Subject, $body, $header, $params);
 938          // implement call back function if it exists
 939          $isSent = ($rt == 1) ? 1 : 0;
 940          $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
 941        }
 942      } else {
 943        $rt = $this->mail_passthru($to, $this->Subject, $body, $header, $params);
 944        // implement call back function if it exists
 945        $isSent = ($rt == 1) ? 1 : 0;
 946        $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
 947      }
 948      if (isset($old_from)) {
 949        ini_set('sendmail_from', $old_from);
 950      }
 951      if(!$rt) {
 952        throw new phpmailerException($this->Lang('instantiate'), self::STOP_CRITICAL);
 953      }
 954      return true;
 955    }
 956  
 957    /**
 958     * Sends mail via SMTP using PhpSMTP
 959     * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
 960     * @param string $header The message headers
 961     * @param string $body The message body
 962     * @throws phpmailerException
 963     * @uses SMTP
 964     * @access protected
 965     * @return bool
 966     */
 967    protected function SmtpSend($header, $body) {
 968      require_once $this->PluginDir . 'class-smtp.php';
 969      $bad_rcpt = array();
 970  
 971      if(!$this->SmtpConnect()) {
 972        throw new phpmailerException($this->Lang('smtp_connect_failed'), self::STOP_CRITICAL);
 973      }
 974      $smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
 975      if(!$this->smtp->Mail($smtp_from)) {
 976        $this->SetError($this->Lang('from_failed') . $smtp_from . " : " . implode(",",$this->smtp->getError())) ;
 977        throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
 978      }
 979  
 980      // Attempt to send attach all recipients
 981      foreach($this->to as $to) {
 982        if (!$this->smtp->Recipient($to[0])) {
 983          $bad_rcpt[] = $to[0];
 984          // implement call back function if it exists
 985          $isSent = 0;
 986          $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
 987        } else {
 988          // implement call back function if it exists
 989          $isSent = 1;
 990          $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
 991        }
 992      }
 993      foreach($this->cc as $cc) {
 994        if (!$this->smtp->Recipient($cc[0])) {
 995          $bad_rcpt[] = $cc[0];
 996          // implement call back function if it exists
 997          $isSent = 0;
 998          $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
 999        } else {
1000          // implement call back function if it exists
1001          $isSent = 1;
1002          $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
1003        }
1004      }
1005      foreach($this->bcc as $bcc) {
1006        if (!$this->smtp->Recipient($bcc[0])) {
1007          $bad_rcpt[] = $bcc[0];
1008          // implement call back function if it exists
1009          $isSent = 0;
1010          $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
1011        } else {
1012          // implement call back function if it exists
1013          $isSent = 1;
1014          $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
1015        }
1016      }
1017  
1018  
1019      if (count($bad_rcpt) > 0 ) { //Create error message for any bad addresses
1020        $badaddresses = implode(', ', $bad_rcpt);
1021        throw new phpmailerException($this->Lang('recipients_failed') . $badaddresses);
1022      }
1023      if(!$this->smtp->Data($header . $body)) {
1024        throw new phpmailerException($this->Lang('data_not_accepted'), self::STOP_CRITICAL);
1025      }
1026      if($this->SMTPKeepAlive == true) {
1027        $this->smtp->Reset();
1028      } else {
1029          $this->smtp->Quit();
1030          $this->smtp->Close();
1031      }
1032      return true;
1033    }
1034  
1035    /**
1036     * Initiates a connection to an SMTP server.
1037     * Returns false if the operation failed.
1038     * @uses SMTP
1039     * @access public
1040     * @throws phpmailerException
1041     * @return bool
1042     */
1043    public function SmtpConnect() {
1044      if(is_null($this->smtp)) {
1045        $this->smtp = new SMTP;
1046      }
1047  
1048      $this->smtp->Timeout = $this->Timeout;
1049      $this->smtp->do_debug = $this->SMTPDebug;
1050      $hosts = explode(';', $this->Host);
1051      $index = 0;
1052      $connection = $this->smtp->Connected();
1053  
1054      // Retry while there is no connection
1055      try {
1056        while($index < count($hosts) && !$connection) {
1057          $hostinfo = array();
1058          if (preg_match('/^(.+):([0-9]+)$/', $hosts[$index], $hostinfo)) {
1059            $host = $hostinfo[1];
1060            $port = $hostinfo[2];
1061          } else {
1062            $host = $hosts[$index];
1063            $port = $this->Port;
1064          }
1065  
1066          $tls = ($this->SMTPSecure == 'tls');
1067          $ssl = ($this->SMTPSecure == 'ssl');
1068  
1069          if ($this->smtp->Connect(($ssl ? 'ssl://':'').$host, $port, $this->Timeout)) {
1070  
1071            $hello = ($this->Helo != '' ? $this->Helo : $this->ServerHostname());
1072            $this->smtp->Hello($hello);
1073  
1074            if ($tls) {
1075              if (!$this->smtp->StartTLS()) {
1076                throw new phpmailerException($this->Lang('connect_host'));
1077              }
1078  
1079              //We must resend HELO after tls negotiation
1080              $this->smtp->Hello($hello);
1081            }
1082  
1083            $connection = true;
1084            if ($this->SMTPAuth) {
1085              if (!$this->smtp->Authenticate($this->Username, $this->Password, $this->AuthType,
1086                                             $this->Realm, $this->Workstation)) {
1087                throw new phpmailerException($this->Lang('authenticate'));
1088              }
1089            }
1090          }
1091          $index++;
1092        if (!$connection) {
1093          throw new phpmailerException($this->Lang('connect_host'));
1094        }
1095        }
1096      } catch (phpmailerException $e) {
1097        $this->smtp->Reset();
1098        if ($this->exceptions) {
1099          throw $e;
1100        }
1101      }
1102      return true;
1103    }
1104  
1105    /**
1106     * Closes the active SMTP session if one exists.
1107     * @return void
1108     */
1109    public function SmtpClose() {
1110      if ($this->smtp !== null) {
1111        if($this->smtp->Connected()) {
1112          $this->smtp->Quit();
1113          $this->smtp->Close();
1114        }
1115      }
1116    }
1117  
1118    /**
1119    * Sets the language for all class error messages.
1120    * Returns false if it cannot load the language file.  The default language is English.
1121    * @param string $langcode ISO 639-1 2-character language code (e.g. Portuguese: "br")
1122    * @param string $lang_path Path to the language file directory
1123     * @return bool
1124    * @access public
1125    */
1126    function SetLanguage($langcode = 'en', $lang_path = 'language/') {
1127      //Define full set of translatable strings
1128      $PHPMAILER_LANG = array(
1129        'authenticate'         => 'SMTP Error: Could not authenticate.',
1130        'connect_host'         => 'SMTP Error: Could not connect to SMTP host.',
1131        'data_not_accepted'    => 'SMTP Error: Data not accepted.',
1132        'empty_message'        => 'Message body empty',
1133        'encoding'             => 'Unknown encoding: ',
1134        'execute'              => 'Could not execute: ',
1135        'file_access'          => 'Could not access file: ',
1136        'file_open'            => 'File Error: Could not open file: ',
1137        'from_failed'          => 'The following From address failed: ',
1138        'instantiate'          => 'Could not instantiate mail function.',
1139        'invalid_address'      => 'Invalid address',
1140        'mailer_not_supported' => ' mailer is not supported.',
1141        'provide_address'      => 'You must provide at least one recipient email address.',
1142        'recipients_failed'    => 'SMTP Error: The following recipients failed: ',
1143        'signing'              => 'Signing Error: ',
1144        'smtp_connect_failed'  => 'SMTP Connect() failed.',
1145        'smtp_error'           => 'SMTP server error: ',
1146        'variable_set'         => 'Cannot set or reset variable: '
1147      );
1148      //Overwrite language-specific strings. This way we'll never have missing translations - no more "language string failed to load"!
1149      $l = true;
1150      if ($langcode != 'en') { //There is no English translation file
1151        $l = @include $lang_path.'phpmailer.lang-'.$langcode.'.php';
1152      }
1153      $this->language = $PHPMAILER_LANG;
1154      return ($l == true); //Returns false if language not found
1155    }
1156  
1157    /**
1158    * Return the current array of language strings
1159    * @return array
1160    */
1161    public function GetTranslations() {
1162      return $this->language;
1163    }
1164  
1165    /////////////////////////////////////////////////
1166    // METHODS, MESSAGE CREATION
1167    /////////////////////////////////////////////////
1168  
1169    /**
1170     * Creates recipient headers.
1171     * @access public
1172     * @param string $type
1173     * @param array $addr
1174     * @return string
1175     */
1176    public function AddrAppend($type, $addr) {
1177      $addr_str = $type . ': ';
1178      $addresses = array();
1179      foreach ($addr as $a) {
1180        $addresses[] = $this->AddrFormat($a);
1181      }
1182      $addr_str .= implode(', ', $addresses);
1183      $addr_str .= $this->LE;
1184  
1185      return $addr_str;
1186    }
1187  
1188    /**
1189     * Formats an address correctly.
1190     * @access public
1191     * @param string $addr
1192     * @return string
1193     */
1194    public function AddrFormat($addr) {
1195      if (empty($addr[1])) {
1196        return $this->SecureHeader($addr[0]);
1197      } else {
1198        return $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">";
1199      }
1200    }
1201  
1202    /**
1203     * Wraps message for use with mailers that do not
1204     * automatically perform wrapping and for quoted-printable.
1205     * Original written by philippe.
1206     * @param string $message The message to wrap
1207     * @param integer $length The line length to wrap to
1208     * @param boolean $qp_mode Whether to run in Quoted-Printable mode
1209     * @access public
1210     * @return string
1211     */
1212    public function WrapText($message, $length, $qp_mode = false) {
1213      $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
1214      // If utf-8 encoding is used, we will need to make sure we don't
1215      // split multibyte characters when we wrap
1216      $is_utf8 = (strtolower($this->CharSet) == "utf-8");
1217      $lelen = strlen($this->LE);
1218      $crlflen = strlen(self::CRLF);
1219  
1220      $message = $this->FixEOL($message);
1221      if (substr($message, -$lelen) == $this->LE) {
1222        $message = substr($message, 0, -$lelen);
1223      }
1224  
1225      $line = explode($this->LE, $message);   // Magic. We know FixEOL uses $LE
1226      $message = '';
1227      for ($i = 0 ;$i < count($line); $i++) {
1228        $line_part = explode(' ', $line[$i]);
1229        $buf = '';
1230        for ($e = 0; $e<count($line_part); $e++) {
1231          $word = $line_part[$e];
1232          if ($qp_mode and (strlen($word) > $length)) {
1233            $space_left = $length - strlen($buf) - $crlflen;
1234            if ($e != 0) {
1235              if ($space_left > 20) {
1236                $len = $space_left;
1237                if ($is_utf8) {
1238                  $len = $this->UTF8CharBoundary($word, $len);
1239                } elseif (substr($word, $len - 1, 1) == "=") {
1240                  $len--;
1241                } elseif (substr($word, $len - 2, 1) == "=") {
1242                  $len -= 2;
1243                }
1244                $part = substr($word, 0, $len);
1245                $word = substr($word, $len);
1246                $buf .= ' ' . $part;
1247                $message .= $buf . sprintf("=%s", self::CRLF);
1248              } else {
1249                $message .= $buf . $soft_break;
1250              }
1251              $buf = '';
1252            }
1253            while (strlen($word) > 0) {
1254              $len = $length;
1255              if ($is_utf8) {
1256                $len = $this->UTF8CharBoundary($word, $len);
1257              } elseif (substr($word, $len - 1, 1) == "=") {
1258                $len--;
1259              } elseif (substr($word, $len - 2, 1) == "=") {
1260                $len -= 2;
1261              }
1262              $part = substr($word, 0, $len);
1263              $word = substr($word, $len);
1264  
1265              if (strlen($word) > 0) {
1266                $message .= $part . sprintf("=%s", self::CRLF);
1267              } else {
1268                $buf = $part;
1269              }
1270            }
1271          } else {
1272            $buf_o = $buf;
1273            $buf .= ($e == 0) ? $word : (' ' . $word);
1274  
1275            if (strlen($buf) > $length and $buf_o != '') {
1276              $message .= $buf_o . $soft_break;
1277              $buf = $word;
1278            }
1279          }
1280        }
1281        $message .= $buf . self::CRLF;
1282      }
1283  
1284      return $message;
1285    }
1286  
1287    /**
1288     * Finds last character boundary prior to maxLength in a utf-8
1289     * quoted (printable) encoded string.
1290     * Original written by Colin Brown.
1291     * @access public
1292     * @param string $encodedText utf-8 QP text
1293     * @param int    $maxLength   find last character boundary prior to this length
1294     * @return int
1295     */
1296    public function UTF8CharBoundary($encodedText, $maxLength) {
1297      $foundSplitPos = false;
1298      $lookBack = 3;
1299      while (!$foundSplitPos) {
1300        $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
1301        $encodedCharPos = strpos($lastChunk, "=");
1302        if ($encodedCharPos !== false) {
1303          // Found start of encoded character byte within $lookBack block.
1304          // Check the encoded byte value (the 2 chars after the '=')
1305          $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
1306          $dec = hexdec($hex);
1307          if ($dec < 128) { // Single byte character.
1308            // If the encoded char was found at pos 0, it will fit
1309            // otherwise reduce maxLength to start of the encoded char
1310            $maxLength = ($encodedCharPos == 0) ? $maxLength :
1311            $maxLength - ($lookBack - $encodedCharPos);
1312            $foundSplitPos = true;
1313          } elseif ($dec >= 192) { // First byte of a multi byte character
1314            // Reduce maxLength to split at start of character
1315            $maxLength = $maxLength - ($lookBack - $encodedCharPos);
1316            $foundSplitPos = true;
1317          } elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
1318            $lookBack += 3;
1319          }
1320        } else {
1321          // No encoded character found
1322          $foundSplitPos = true;
1323        }
1324      }
1325      return $maxLength;
1326    }
1327  
1328  
1329    /**
1330     * Set the body wrapping.
1331     * @access public
1332     * @return void
1333     */
1334    public function SetWordWrap() {
1335      if($this->WordWrap < 1) {
1336        return;
1337      }
1338  
1339      switch($this->message_type) {
1340        case 'alt':
1341        case 'alt_inline':
1342        case 'alt_attach':
1343        case 'alt_inline_attach':
1344          $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
1345          break;
1346        default:
1347          $this->Body = $this->WrapText($this->Body, $this->WordWrap);
1348          break;
1349      }
1350    }
1351  
1352    /**
1353     * Assembles message header.
1354     * @access public
1355     * @return string The assembled header
1356     */
1357    public function CreateHeader() {
1358      $result = '';
1359  
1360      // Set the boundaries
1361      $uniq_id = md5(uniqid(time()));
1362      $this->boundary[1] = 'b1_' . $uniq_id;
1363      $this->boundary[2] = 'b2_' . $uniq_id;
1364      $this->boundary[3] = 'b3_' . $uniq_id;
1365  
1366      if ($this->MessageDate == '') {
1367        $result .= $this->HeaderLine('Date', self::RFCDate());
1368      } else {
1369        $result .= $this->HeaderLine('Date', $this->MessageDate);
1370      }
1371  
1372      if ($this->ReturnPath) {
1373        $result .= $this->HeaderLine('Return-Path', trim($this->ReturnPath));
1374      } elseif ($this->Sender == '') {
1375        $result .= $this->HeaderLine('Return-Path', trim($this->From));
1376      } else {
1377        $result .= $this->HeaderLine('Return-Path', trim($this->Sender));
1378      }
1379  
1380      // To be created automatically by mail()
1381      if($this->Mailer != 'mail') {
1382        if ($this->SingleTo === true) {
1383          foreach($this->to as $t) {
1384            $this->SingleToArray[] = $this->AddrFormat($t);
1385          }
1386        } else {
1387          if(count($this->to) > 0) {
1388            $result .= $this->AddrAppend('To', $this->to);
1389          } elseif (count($this->cc) == 0) {
1390            $result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
1391          }
1392        }
1393      }
1394  
1395      $from = array();
1396      $from[0][0] = trim($this->From);
1397      $from[0][1] = $this->FromName;
1398      $result .= $this->AddrAppend('From', $from);
1399  
1400      // sendmail and mail() extract Cc from the header before sending
1401      if(count($this->cc) > 0) {
1402        $result .= $this->AddrAppend('Cc', $this->cc);
1403      }
1404  
1405      // sendmail and mail() extract Bcc from the header before sending
1406      if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->bcc) > 0)) {
1407        $result .= $this->AddrAppend('Bcc', $this->bcc);
1408      }
1409  
1410      if(count($this->ReplyTo) > 0) {
1411        $result .= $this->AddrAppend('Reply-To', $this->ReplyTo);
1412      }
1413  
1414      // mail() sets the subject itself
1415      if($this->Mailer != 'mail') {
1416        $result .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader($this->Subject)));
1417      }
1418  
1419      if($this->MessageID != '') {
1420        $result .= $this->HeaderLine('Message-ID', $this->MessageID);
1421      } else {
1422        $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
1423      }
1424      $result .= $this->HeaderLine('X-Priority', $this->Priority);
1425      if ($this->XMailer == '') {
1426          $result .= $this->HeaderLine('X-Mailer', 'PHPMailer '.$this->Version.' (http://code.google.com/a/apache-extras.org/p/phpmailer/)');
1427      } else {
1428        $myXmailer = trim($this->XMailer);
1429        if ($myXmailer) {
1430          $result .= $this->HeaderLine('X-Mailer', $myXmailer);
1431        }
1432      }
1433  
1434      if($this->ConfirmReadingTo != '') {
1435        $result .= $this->HeaderLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');
1436      }
1437  
1438      // Add custom headers
1439      for($index = 0; $index < count($this->CustomHeader); $index++) {
1440        $result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]), $this->EncodeHeader(trim($this->CustomHeader[$index][1])));
1441      }
1442      if (!$this->sign_key_file) {
1443        $result .= $this->HeaderLine('MIME-Version', '1.0');
1444        $result .= $this->GetMailMIME();
1445      }
1446  
1447      return $result;
1448    }
1449  
1450    /**
1451     * Returns the message MIME.
1452     * @access public
1453     * @return string
1454     */
1455    public function GetMailMIME() {
1456      $result = '';
1457      switch($this->message_type) {
1458        case 'inline':
1459          $result .= $this->HeaderLine('Content-Type', 'multipart/related;');
1460          $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
1461          break;
1462        case 'attach':
1463        case 'inline_attach':
1464        case 'alt_attach':
1465        case 'alt_inline_attach':
1466          $result .= $this->HeaderLine('Content-Type', 'multipart/mixed;');
1467          $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
1468          break;
1469        case 'alt':
1470        case 'alt_inline':
1471          $result .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
1472          $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
1473          break;
1474        default:
1475          // Catches case 'plain': and case '':
1476          $result .= $this->HeaderLine('Content-Transfer-Encoding', $this->Encoding);
1477          $result .= $this->TextLine('Content-Type: '.$this->ContentType.'; charset='.$this->CharSet);
1478          break;
1479      }
1480  
1481      if($this->Mailer != 'mail') {
1482        $result .= $this->LE;
1483      }
1484  
1485      return $result;
1486    }
1487  
1488    /**
1489     * Returns the MIME message (headers and body). Only really valid post PreSend().
1490     * @access public
1491     * @return string
1492     */
1493    public function GetSentMIMEMessage() {
1494      return $this->MIMEHeader . $this->mailHeader . self::CRLF . $this->MIMEBody;
1495    }
1496  
1497  
1498    /**
1499     * Assembles the message body.  Returns an empty string on failure.
1500     * @access public
1501     * @throws phpmailerException
1502     * @return string The assembled message body
1503     */
1504    public function CreateBody() {
1505      $body = '';
1506  
1507      if ($this->sign_key_file) {
1508        $body .= $this->GetMailMIME().$this->LE;
1509      }
1510  
1511      $this->SetWordWrap();
1512  
1513      switch($this->message_type) {
1514        case 'inline':
1515          $body .= $this->GetBoundary($this->boundary[1], '', '', '');
1516          $body .= $this->EncodeString($this->Body, $this->Encoding);
1517          $body .= $this->LE.$this->LE;
1518          $body .= $this->AttachAll("inline", $this->boundary[1]);
1519          break;
1520        case 'attach':
1521          $body .= $this->GetBoundary($this->boundary[1], '', '', '');
1522          $body .= $this->EncodeString($this->Body, $this->Encoding);
1523          $body .= $this->LE.$this->LE;
1524          $body .= $this->AttachAll("attachment", $this->boundary[1]);
1525          break;
1526        case 'inline_attach':
1527          $body .= $this->TextLine("--" . $this->boundary[1]);
1528          $body .= $this->HeaderLine('Content-Type', 'multipart/related;');
1529          $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1530          $body .= $this->LE;
1531          $body .= $this->GetBoundary($this->boundary[2], '', '', '');
1532          $body .= $this->EncodeString($this->Body, $this->Encoding);
1533          $body .= $this->LE.$this->LE;
1534          $body .= $this->AttachAll("inline", $this->boundary[2]);
1535          $body .= $this->LE;
1536          $body .= $this->AttachAll("attachment", $this->boundary[1]);
1537          break;
1538        case 'alt':
1539          $body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
1540          $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1541          $body .= $this->LE.$this->LE;
1542          $body .= $this->GetBoundary($this->boundary[1], '', 'text/html', '');
1543          $body .= $this->EncodeString($this->Body, $this->Encoding);
1544          $body .= $this->LE.$this->LE;
1545          $body .= $this->EndBoundary($this->boundary[1]);
1546          break;
1547        case 'alt_inline':
1548          $body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
1549          $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1550          $body .= $this->LE.$this->LE;
1551          $body .= $this->TextLine("--" . $this->boundary[1]);
1552          $body .= $this->HeaderLine('Content-Type', 'multipart/related;');
1553          $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1554          $body .= $this->LE;
1555          $body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '');
1556          $body .= $this->EncodeString($this->Body, $this->Encoding);
1557          $body .= $this->LE.$this->LE;
1558          $body .= $this->AttachAll("inline", $this->boundary[2]);
1559          $body .= $this->LE;
1560          $body .= $this->EndBoundary($this->boundary[1]);
1561          break;
1562        case 'alt_attach':
1563          $body .= $this->TextLine("--" . $this->boundary[1]);
1564          $body .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
1565          $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1566          $body .= $this->LE;
1567          $body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '');
1568          $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1569          $body .= $this->LE.$this->LE;
1570          $body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '');
1571          $body .= $this->EncodeString($this->Body, $this->Encoding);
1572          $body .= $this->LE.$this->LE;
1573          $body .= $this->EndBoundary($this->boundary[2]);
1574          $body .= $this->LE;
1575          $body .= $this->AttachAll("attachment", $this->boundary[1]);
1576          break;
1577        case 'alt_inline_attach':
1578          $body .= $this->TextLine("--" . $this->boundary[1]);
1579          $body .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
1580          $body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
1581          $body .= $this->LE;
1582          $body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '');
1583          $body .= $this->EncodeString($this->AltBody, $this->Encoding);
1584          $body .= $this->LE.$this->LE;
1585          $body .= $this->TextLine("--" . $this->boundary[2]);
1586          $body .= $this->HeaderLine('Content-Type', 'multipart/related;');
1587          $body .= $this->TextLine("\tboundary=\"" . $this->boundary[3] . '"');
1588          $body .= $this->LE;
1589          $body .= $this->GetBoundary($this->boundary[3], '', 'text/html', '');
1590          $body .= $this->EncodeString($this->Body, $this->Encoding);
1591          $body .= $this->LE.$this->LE;
1592          $body .= $this->AttachAll("inline", $this->boundary[3]);
1593          $body .= $this->LE;
1594          $body .= $this->EndBoundary($this->boundary[2]);
1595          $body .= $this->LE;
1596          $body .= $this->AttachAll("attachment", $this->boundary[1]);
1597          break;
1598        default:
1599          // catch case 'plain' and case ''
1600          $body .= $this->EncodeString($this->Body, $this->Encoding);
1601          break;
1602      }
1603  
1604      if ($this->IsError()) {
1605        $body = '';
1606      } elseif ($this->sign_key_file) {
1607        try {
1608          $file = tempnam('', 'mail');
1609          file_put_contents($file, $body); //TODO check this worked
1610          $signed = tempnam("", "signed");
1611          if (@openssl_pkcs7_sign($file, $signed, "file://".$this->sign_cert_file, array("file://".$this->sign_key_file, $this->sign_key_pass), NULL)) {
1612            @unlink($file);
1613            $body = file_get_contents($signed);
1614            @unlink($signed);
1615          } else {
1616            @unlink($file);
1617            @unlink($signed);
1618            throw new phpmailerException($this->Lang("signing").openssl_error_string());
1619          }
1620        } catch (phpmailerException $e) {
1621          $body = '';
1622          if ($this->exceptions) {
1623            throw $e;
1624          }
1625        }
1626      }
1627  
1628      return $body;
1629    }
1630  
1631    /**
1632     * Returns the start of a message boundary.
1633     * @access protected
1634     * @param string $boundary
1635     * @param string $charSet
1636     * @param string $contentType
1637     * @param string $encoding
1638     * @return string
1639     */
1640    protected function GetBoundary($boundary, $charSet, $contentType, $encoding) {
1641      $result = '';
1642      if($charSet == '') {
1643        $charSet = $this->CharSet;
1644      }
1645      if($contentType == '') {
1646        $contentType = $this->ContentType;
1647      }
1648      if($encoding == '') {
1649        $encoding = $this->Encoding;
1650      }
1651      $result .= $this->TextLine('--' . $boundary);
1652      $result .= sprintf("Content-Type: %s; charset=%s", $contentType, $charSet);
1653      $result .= $this->LE;
1654      $result .= $this->HeaderLine('Content-Transfer-Encoding', $encoding);
1655      $result .= $this->LE;
1656  
1657      return $result;
1658    }
1659  
1660    /**
1661     * Returns the end of a message boundary.
1662     * @access protected
1663     * @param string $boundary
1664     * @return string
1665     */
1666    protected function EndBoundary($boundary) {
1667      return $this->LE . '--' . $boundary . '--' . $this->LE;
1668    }
1669  
1670    /**
1671     * Sets the message type.
1672     * @access protected
1673     * @return void
1674     */
1675    protected function SetMessageType() {
1676      $this->message_type = array();
1677      if($this->AlternativeExists()) $this->message_type[] = "alt";
1678      if($this->InlineImageExists()) $this->message_type[] = "inline";
1679      if($this->AttachmentExists()) $this->message_type[] = "attach";
1680      $this->message_type = implode("_", $this->message_type);
1681      if($this->message_type == "") $this->message_type = "plain";
1682    }
1683  
1684    /**
1685     *  Returns a formatted header line.
1686     * @access public
1687     * @param string $name
1688     * @param string $value
1689     * @return string
1690     */
1691    public function HeaderLine($name, $value) {
1692      return $name . ': ' . $value . $this->LE;
1693    }
1694  
1695    /**
1696     * Returns a formatted mail line.
1697     * @access public
1698     * @param string $value
1699     * @return string
1700     */
1701    public function TextLine($value) {
1702      return $value . $this->LE;
1703    }
1704  
1705    /////////////////////////////////////////////////
1706    // CLASS METHODS, ATTACHMENTS
1707    /////////////////////////////////////////////////
1708  
1709    /**
1710     * Adds an attachment from a path on the filesystem.
1711     * Returns false if the file could not be found
1712     * or accessed.
1713     * @param string $path Path to the attachment.
1714     * @param string $name Overrides the attachment name.
1715     * @param string $encoding File encoding (see $Encoding).
1716     * @param string $type File extension (MIME) type.
1717     * @throws phpmailerException
1718     * @return bool
1719     */
1720    public function AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
1721      try {
1722        if ( !@is_file($path) ) {
1723          throw new phpmailerException($this->Lang('file_access') . $path, self::STOP_CONTINUE);
1724        }
1725        $filename = basename($path);
1726        if ( $name == '' ) {
1727          $name = $filename;
1728        }
1729  
1730        $this->attachment[] = array(
1731          0 => $path,
1732          1 => $filename,
1733          2 => $name,
1734          3 => $encoding,
1735          4 => $type,
1736          5 => false,  // isStringAttachment
1737          6 => 'attachment',
1738          7 => 0
1739        );
1740  
1741      } catch (phpmailerException $e) {
1742        $this->SetError($e->getMessage());
1743        if ($this->exceptions) {
1744          throw $e;
1745        }
1746        if ($this->SMTPDebug) {
1747          $this->edebug($e->getMessage()."\n");
1748        }
1749        if ( $e->getCode() == self::STOP_CRITICAL ) {
1750          return false;
1751        }
1752      }
1753      return true;
1754    }
1755  
1756    /**
1757    * Return the current array of attachments
1758    * @return array
1759    */
1760    public function GetAttachments() {
1761      return $this->attachment;
1762    }
1763  
1764    /**
1765     * Attaches all fs, string, and binary attachments to the message.
1766     * Returns an empty string on failure.
1767     * @access protected
1768     * @param string $disposition_type
1769     * @param string $boundary
1770     * @return string
1771     */
1772    protected function AttachAll($disposition_type, $boundary) {
1773      // Return text of body
1774      $mime = array();
1775      $cidUniq = array();
1776      $incl = array();
1777  
1778      // Add all attachments
1779      foreach ($this->attachment as $attachment) {
1780        // CHECK IF IT IS A VALID DISPOSITION_FILTER
1781        if($attachment[6] == $disposition_type) {
1782          // Check for string attachment
1783          $string = '';
1784          $path = '';
1785          $bString = $attachment[5];
1786          if ($bString) {
1787            $string = $attachment[0];
1788          } else {
1789            $path = $attachment[0];
1790          }
1791  
1792          $inclhash = md5(serialize($attachment));
1793          if (in_array($inclhash, $incl)) { continue; }
1794          $incl[]      = $inclhash;
1795          $filename    = $attachment[1];
1796          $name        = $attachment[2];
1797          $encoding    = $attachment[3];
1798          $type        = $attachment[4];
1799          $disposition = $attachment[6];
1800          $cid         = $attachment[7];
1801          if ( $disposition == 'inline' && isset($cidUniq[$cid]) ) { continue; }
1802          $cidUniq[$cid] = true;
1803  
1804          $mime[] = sprintf("--%s%s", $boundary, $this->LE);
1805          $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $this->EncodeHeader($this->SecureHeader($name)), $this->LE);
1806          $mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);
1807  
1808          if($disposition == 'inline') {
1809            $mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);
1810          }
1811  
1812          $mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s", $disposition, $this->EncodeHeader($this->SecureHeader($name)), $this->LE.$this->LE);
1813  
1814          // Encode as string attachment
1815          if($bString) {
1816            $mime[] = $this->EncodeString($string, $encoding);
1817            if($this->IsError()) {
1818              return '';
1819            }
1820            $mime[] = $this->LE.$this->LE;
1821          } else {
1822            $mime[] = $this->EncodeFile($path, $encoding);
1823            if($this->IsError()) {
1824              return '';
1825            }
1826            $mime[] = $this->LE.$this->LE;
1827          }
1828        }
1829      }
1830  
1831      $mime[] = sprintf("--%s--%s", $boundary, $this->LE);
1832  
1833      return implode("", $mime);
1834    }
1835  
1836    /**
1837     * Encodes attachment in requested format.
1838     * Returns an empty string on failure.
1839     * @param string $path The full path to the file
1840     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
1841     * @throws phpmailerException
1842     * @see EncodeFile()
1843     * @access protected
1844     * @return string
1845     */
1846    protected function EncodeFile($path, $encoding = 'base64') {
1847      try {
1848        if (!is_readable($path)) {
1849          throw new phpmailerException($this->Lang('file_open') . $path, self::STOP_CONTINUE);
1850        }
1851        //  if (!function_exists('get_magic_quotes')) {
1852        //    function get_magic_quotes() {
1853        //      return false;
1854        //    }
1855        //  }
1856        $magic_quotes = get_magic_quotes_runtime();
1857        if ($magic_quotes) {
1858          if (version_compare(PHP_VERSION, '5.3.0', '<')) {
1859            set_magic_quotes_runtime(0);
1860          } else {
1861            ini_set('magic_quotes_runtime', 0); 
1862          }
1863        }
1864        $file_buffer  = file_get_contents($path);
1865        $file_buffer  = $this->EncodeString($file_buffer, $encoding);
1866        if ($magic_quotes) {
1867          if (version_compare(PHP_VERSION, '5.3.0', '<')) {
1868            set_magic_quotes_runtime($magic_quotes);
1869          } else {
1870            ini_set('magic_quotes_runtime', $magic_quotes); 
1871          }
1872        }
1873        return $file_buffer;
1874      } catch (Exception $e) {
1875        $this->SetError($e->getMessage());
1876        return '';
1877      }
1878    }
1879  
1880    /**
1881     * Encodes string to requested format.
1882     * Returns an empty string on failure.
1883     * @param string $str The text to encode
1884     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
1885     * @access public
1886     * @return string
1887     */
1888    public function EncodeString($str, $encoding = 'base64') {
1889      $encoded = '';
1890      switch(strtolower($encoding)) {
1891        case 'base64':
1892          $encoded = chunk_split(base64_encode($str), 76, $this->LE);
1893          break;
1894        case '7bit':
1895        case '8bit':
1896          $encoded = $this->FixEOL($str);
1897          //Make sure it ends with a line break
1898          if (substr($encoded, -(strlen($this->LE))) != $this->LE)
1899            $encoded .= $this->LE;
1900          break;
1901        case 'binary':
1902          $encoded = $str;
1903          break;
1904        case 'quoted-printable':
1905          $encoded = $this->EncodeQP($str);
1906          break;
1907        default:
1908          $this->SetError($this->Lang('encoding') . $encoding);
1909          break;
1910      }
1911      return $encoded;
1912    }
1913  
1914    /**
1915     * Encode a header string to best (shortest) of Q, B, quoted or none.
1916     * @access public
1917     * @param string $str
1918     * @param string $position
1919     * @return string
1920     */
1921    public function EncodeHeader($str, $position = 'text') {
1922      $x = 0;
1923  
1924      switch (strtolower($position)) {
1925        case 'phrase':
1926          if (!preg_match('/[\200-\377]/', $str)) {
1927            // Can't use addslashes as we don't know what value has magic_quotes_sybase
1928            $encoded = addcslashes($str, "\0..\37\177\\\"");
1929            if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
1930              return ($encoded);
1931            } else {
1932              return ("\"$encoded\"");
1933            }
1934          }
1935          $x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
1936          break;
1937        case 'comment':
1938          $x = preg_match_all('/[()"]/', $str, $matches);
1939          // Fall-through
1940        case 'text':
1941        default:
1942          $x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
1943          break;
1944      }
1945  
1946      if ($x == 0) {
1947        return ($str);
1948      }
1949  
1950      $maxlen = 75 - 7 - strlen($this->CharSet);
1951      // Try to select the encoding which should produce the shortest output
1952      if (strlen($str)/3 < $x) {
1953        $encoding = 'B';
1954        if (function_exists('mb_strlen') && $this->HasMultiBytes($str)) {
1955          // Use a custom function which correctly encodes and wraps long
1956          // multibyte strings without breaking lines within a character
1957          $encoded = $this->Base64EncodeWrapMB($str, "\n");
1958        } else {
1959          $encoded = base64_encode($str);
1960          $maxlen -= $maxlen % 4;
1961          $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
1962        }
1963      } else {
1964        $encoding = 'Q';
1965        $encoded = $this->EncodeQ($str, $position);
1966        $encoded = $this->WrapText($encoded, $maxlen, true);
1967        $encoded = str_replace('='.self::CRLF, "\n", trim($encoded));
1968      }
1969  
1970      $encoded = preg_replace('/^(.*)$/m', " =?".$this->CharSet."?$encoding?\\1?=", $encoded);
1971      $encoded = trim(str_replace("\n", $this->LE, $encoded));
1972  
1973      return $encoded;
1974    }
1975  
1976    /**
1977     * Checks if a string contains multibyte characters.
1978     * @access public
1979     * @param string $str multi-byte text to wrap encode
1980     * @return bool
1981     */
1982    public function HasMultiBytes($str) {
1983      if (function_exists('mb_strlen')) {
1984        return (strlen($str) > mb_strlen($str, $this->CharSet));
1985      } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
1986        return false;
1987      }
1988    }
1989  
1990    /**
1991     * Correctly encodes and wraps long multibyte strings for mail headers
1992     * without breaking lines within a character.
1993     * Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php
1994     * @access public
1995     * @param string $str multi-byte text to wrap encode
1996     * @param string $lf string to use as linefeed/end-of-line
1997     * @return string
1998     */
1999    public function Base64EncodeWrapMB($str, $lf=null) {
2000      $start = "=?".$this->CharSet."?B?";
2001      $end = "?=";
2002      $encoded = "";
2003      if ($lf === null) {
2004        $lf = $this->LE;
2005      }
2006  
2007      $mb_length = mb_strlen($str, $this->CharSet);
2008      // Each line must have length <= 75, including $start and $end
2009      $length = 75 - strlen($start) - strlen($end);
2010      // Average multi-byte ratio
2011      $ratio = $mb_length / strlen($str);
2012      // Base64 has a 4:3 ratio
2013      $offset = $avgLength = floor($length * $ratio * .75);
2014  
2015      for ($i = 0; $i < $mb_length; $i += $offset) {
2016        $lookBack = 0;
2017  
2018        do {
2019          $offset = $avgLength - $lookBack;
2020          $chunk = mb_substr($str, $i, $offset, $this->CharSet);
2021          $chunk = base64_encode($chunk);
2022          $lookBack++;
2023        }
2024        while (strlen($chunk) > $length);
2025  
2026        $encoded .= $chunk . $lf;
2027      }
2028  
2029      // Chomp the last linefeed
2030      $encoded = substr($encoded, 0, -strlen($lf));
2031      return $encoded;
2032    }
2033  
2034    /**
2035    * Encode string to quoted-printable.
2036    * Only uses standard PHP, slow, but will always work
2037    * @access public
2038     * @param string $input
2039    * @param integer $line_max Number of chars allowed on a line before wrapping
2040     * @param bool $space_conv
2041     * @internal param string $string the text to encode
2042    * @return string
2043    */
2044    public function EncodeQPphp( $input = '', $line_max = 76, $space_conv = false) {
2045      $hex = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
2046      $lines = preg_split('/(?:\r\n|\r|\n)/', $input);
2047      $eol = "\r\n";
2048      $escape = '=';
2049      $output = '';
2050      while( list(, $line) = each($lines) ) {
2051        $linlen = strlen($line);
2052        $newline = '';
2053        for($i = 0; $i < $linlen; $i++) {
2054          $c = substr( $line, $i, 1 );
2055          $dec = ord( $c );
2056          if ( ( $i == 0 ) && ( $dec == 46 ) ) { // convert first point in the line into =2E
2057            $c = '=2E';
2058          }
2059          if ( $dec == 32 ) {
2060            if ( $i == ( $linlen - 1 ) ) { // convert space at eol only
2061              $c = '=20';
2062            } else if ( $space_conv ) {
2063              $c = '=20';
2064            }
2065          } elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
2066            $h2 = (integer)floor($dec/16);
2067            $h1 = (integer)floor($dec%16);
2068            $c = $escape.$hex[$h2].$hex[$h1];
2069          }
2070          if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted
2071            $output .= $newline.$escape.$eol; //  soft line break; " =\r\n" is okay
2072            $newline = '';
2073            // check if newline first character will be point or not
2074            if ( $dec == 46 ) {
2075              $c = '=2E';
2076            }
2077          }
2078          $newline .= $c;
2079        } // end of for
2080        $output .= $newline.$eol;
2081      } // end of while
2082      return $output;
2083    }
2084  
2085    /**
2086    * Encode string to RFC2045 (6.7) quoted-printable format
2087    * Uses a PHP5 stream filter to do the encoding about 64x faster than the old version
2088    * Also results in same content as you started with after decoding
2089    * @see EncodeQPphp()
2090    * @access public
2091    * @param string $string the text to encode
2092    * @param integer $line_max Number of chars allowed on a line before wrapping
2093    * @param boolean $space_conv Dummy param for compatibility with existing EncodeQP function
2094    * @return string
2095    * @author Marcus Bointon
2096    */
2097    public function EncodeQP($string, $line_max = 76, $space_conv = false) {
2098      if (function_exists('quoted_printable_encode')) { //Use native function if it's available (>= PHP5.3)
2099        return quoted_printable_encode($string);
2100      }
2101      $filters = stream_get_filters();
2102      if (!in_array('convert.*', $filters)) { //Got convert stream filter?
2103        return $this->EncodeQPphp($string, $line_max, $space_conv); //Fall back to old implementation
2104      }
2105      $fp = fopen('php://temp/', 'r+');
2106      $string = preg_replace('/\r\n?/', $this->LE, $string); //Normalise line breaks
2107      $params = array('line-length' => $line_max, 'line-break-chars' => $this->LE);
2108      $s = stream_filter_append($fp, 'convert.quoted-printable-encode', STREAM_FILTER_READ, $params);
2109      fputs($fp, $string);
2110      rewind($fp);
2111      $out = stream_get_contents($fp);
2112      stream_filter_remove($s);
2113      $out = preg_replace('/^\./m', '=2E', $out); //Encode . if it is first char on a line, workaround for bug in Exchange
2114      fclose($fp);
2115      return $out;
2116    }
2117  
2118    /**
2119     * Encode string to q encoding.
2120     * @link http://tools.ietf.org/html/rfc2047
2121     * @param string $str the text to encode
2122     * @param string $position Where the text is going to be used, see the RFC for what that means
2123     * @access public
2124     * @return string
2125     */
2126    public function EncodeQ($str, $position = 'text') {
2127      //There should not be any EOL in the string
2128      $pattern="";
2129      $encoded = str_replace(array("\r", "\n"), '', $str);
2130      switch (strtolower($position)) {
2131        case 'phrase':
2132          $pattern = '^A-Za-z0-9!*+\/ -';
2133          break;
2134  
2135        case 'comment':
2136          $pattern = '\(\)"';
2137          //note that we dont break here!
2138          //for this reason we build the $pattern withoud including delimiters and []
2139  
2140        case 'text':
2141        default:
2142          //Replace every high ascii, control =, ? and _ characters
2143          //We put \075 (=) as first value to make sure it's the first one in being converted, preventing double encode
2144          $pattern = '\075\000-\011\013\014\016-\037\077\137\177-\377' . $pattern;
2145          break;
2146      }
2147      
2148      if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
2149        foreach (array_unique($matches[0]) as $char) {
2150          $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
2151        }
2152      }
2153      
2154      //Replace every spaces to _ (more readable than =20)
2155      return str_replace(' ', '_', $encoded);
2156  }
2157  
2158  
2159    /**
2160     * Adds a string or binary attachment (non-filesystem) to the list.
2161     * This method can be used to attach ascii or binary data,
2162     * such as a BLOB record from a database.
2163     * @param string $string String attachment data.
2164     * @param string $filename Name of the attachment.
2165     * @param string $encoding File encoding (see $Encoding).
2166     * @param string $type File extension (MIME) type.
2167     * @return void
2168     */
2169    public function AddStringAttachment($string, $filename, $encoding = 'base64', $type = 'application/octet-stream') {
2170      // Append to $attachment array
2171      $this->attachment[] = array(
2172        0 => $string,
2173        1 => $filename,
2174        2 => basename($filename),
2175        3 => $encoding,
2176        4 => $type,
2177        5 => true,  // isStringAttachment
2178        6 => 'attachment',
2179        7 => 0
2180      );
2181    }
2182  
2183    /**
2184     * Adds an embedded attachment.  This can include images, sounds, and
2185     * just about any other document.  Make sure to set the $type to an
2186     * image type.  For JPEG images use "image/jpeg" and for GIF images
2187     * use "image/gif".
2188     * @param string $path Path to the attachment.
2189     * @param string $cid Content ID of the attachment.  Use this to identify
2190     *        the Id for accessing the image in an HTML form.
2191     * @param string $name Overrides the attachment name.
2192     * @param string $encoding File encoding (see $Encoding).
2193     * @param string $type File extension (MIME) type.
2194     * @return bool
2195     */
2196    public function AddEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
2197  
2198      if ( !@is_file($path) ) {
2199        $this->SetError($this->Lang('file_access') . $path);
2200        return false;
2201      }
2202  
2203      $filename = basename($path);
2204      if ( $name == '' ) {
2205        $name = $filename;
2206      }
2207  
2208      // Append to $attachment array
2209      $this->attachment[] = array(
2210        0 => $path,
2211        1 => $filename,
2212        2 => $name,
2213        3 => $encoding,
2214        4 => $type,
2215        5 => false,  // isStringAttachment
2216        6 => 'inline',
2217        7 => $cid
2218      );
2219  
2220      return true;
2221    }
2222  
2223    /**
2224     * Adds an embedded stringified attachment.  This can include images, sounds, and
2225     * just about any other document.  Make sure to set the $type to an
2226     * image type.  For JPEG images use "image/jpeg" and for GIF images
2227     * use "image/gif".
2228     * @param string $string The attachment.
2229     * @param string $cid Content ID of the attachment.  Use this to identify
2230     *        the Id for accessing the image in an HTML form.
2231     * @param string $name Overrides the attachment name.
2232     * @param string $encoding File encoding (see $Encoding).
2233     * @param string $type File extension (MIME) type.
2234     * @return bool
2235     */
2236    public function AddStringEmbeddedImage($string, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
2237      // Append to $attachment array
2238      $this->attachment[] = array(
2239        0 => $string,
2240        1 => $name,
2241        2 => $name,
2242        3 => $encoding,
2243        4 => $type,
2244        5 => true,  // isStringAttachment
2245        6 => 'inline',
2246        7 => $cid
2247      );
2248    }
2249  
2250    /**
2251     * Returns true if an inline attachment is present.
2252     * @access public
2253     * @return bool
2254     */
2255    public function InlineImageExists() {
2256      foreach($this->attachment as $attachment) {
2257        if ($attachment[6] == 'inline') {
2258          return true;
2259        }
2260      }
2261      return false;
2262    }
2263  
2264    /**
2265     * Returns true if an attachment (non-inline) is present.
2266     * @return bool
2267     */
2268    public function AttachmentExists() {
2269      foreach($this->attachment as $attachment) {
2270        if ($attachment[6] == 'attachment') {
2271          return true;
2272        }
2273      }
2274      return false;
2275    }
2276  
2277    /**
2278     * Does this message have an alternative body set?
2279     * @return bool
2280     */
2281    public function AlternativeExists() {
2282      return !empty($this->AltBody);
2283    }
2284  
2285    /////////////////////////////////////////////////
2286    // CLASS METHODS, MESSAGE RESET
2287    /////////////////////////////////////////////////
2288  
2289    /**
2290     * Clears all recipients assigned in the TO array.  Returns void.
2291     * @return void
2292     */
2293    public function ClearAddresses() {
2294      foreach($this->to as $to) {
2295        unset($this->all_recipients[strtolower($to[0])]);
2296      }
2297      $this->to = array();
2298    }
2299  
2300    /**
2301     * Clears all recipients assigned in the CC array.  Returns void.
2302     * @return void
2303     */
2304    public function ClearCCs() {
2305      foreach($this->cc as $cc) {
2306        unset($this->all_recipients[strtolower($cc[0])]);
2307      }
2308      $this->cc = array();
2309    }
2310  
2311    /**
2312     * Clears all recipients assigned in the BCC array.  Returns void.
2313     * @return void
2314     */
2315    public function ClearBCCs() {
2316      foreach($this->bcc as $bcc) {
2317        unset($this->all_recipients[strtolower($bcc[0])]);
2318      }
2319      $this->bcc = array();
2320    }
2321  
2322    /**
2323     * Clears all recipients assigned in the ReplyTo array.  Returns void.
2324     * @return void
2325     */
2326    public function ClearReplyTos() {
2327      $this->ReplyTo = array();
2328    }
2329  
2330    /**
2331     * Clears all recipients assigned in the TO, CC and BCC
2332     * array.  Returns void.
2333     * @return void
2334     */
2335    public function ClearAllRecipients() {
2336      $this->to = array();
2337      $this->cc = array();
2338      $this->bcc = array();
2339      $this->all_recipients = array();
2340    }
2341  
2342    /**
2343     * Clears all previously set filesystem, string, and binary
2344     * attachments.  Returns void.
2345     * @return void
2346     */
2347    public function ClearAttachments() {
2348      $this->attachment = array();
2349    }
2350  
2351    /**
2352     * Clears all custom headers.  Returns void.
2353     * @return void
2354     */
2355    public function ClearCustomHeaders() {
2356      $this->CustomHeader = array();
2357    }
2358  
2359    /////////////////////////////////////////////////
2360    // CLASS METHODS, MISCELLANEOUS
2361    /////////////////////////////////////////////////
2362  
2363    /**
2364     * Adds the error message to the error container.
2365     * @access protected
2366     * @param string $msg
2367     * @return void
2368     */
2369    protected function SetError($msg) {
2370      $this->error_count++;
2371      if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
2372        $lasterror = $this->smtp->getError();
2373        if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror)) {
2374          $msg .= '<p>' . $this->Lang('smtp_error') . $lasterror['smtp_msg'] . "</p>\n";
2375        }
2376      }
2377      $this->ErrorInfo = $msg;
2378    }
2379  
2380    /**
2381     * Returns the proper RFC 822 formatted date.
2382     * @access public
2383     * @return string
2384     * @static
2385     */
2386    public static function RFCDate() {
2387      $tz = date('Z');
2388      $tzs = ($tz < 0) ? '-' : '+';
2389      $tz = abs($tz);
2390      $tz = (int)($tz/3600)*100 + ($tz%3600)/60;
2391      $result = sprintf("%s %s%04d", date('D, j M Y H:i:s'), $tzs, $tz);
2392  
2393      return $result;
2394    }
2395  
2396    /**
2397     * Returns the server hostname or 'localhost.localdomain' if unknown.
2398     * @access protected
2399     * @return string
2400     */
2401    protected function ServerHostname() {
2402      if (!empty($this->Hostname)) {
2403        $result = $this->Hostname;
2404      } elseif (isset($_SERVER['SERVER_NAME'])) {
2405        $result = $_SERVER['SERVER_NAME'];
2406      } else {
2407        $result = 'localhost.localdomain';
2408      }
2409  
2410      return $result;
2411    }
2412  
2413    /**
2414     * Returns a message in the appropriate language.
2415     * @access protected
2416     * @param string $key
2417     * @return string
2418     */
2419    protected function Lang($key) {
2420      if(count($this->language) < 1) {
2421        $this->SetLanguage('en'); // set the default language
2422      }
2423  
2424      if(isset($this->language[$key])) {
2425        return $this->language[$key];
2426      } else {
2427        return 'Language string failed to load: ' . $key;
2428      }
2429    }
2430  
2431    /**
2432     * Returns true if an error occurred.
2433     * @access public
2434     * @return bool
2435     */
2436    public function IsError() {
2437      return ($this->error_count > 0);
2438    }
2439  
2440    /**
2441     * Changes every end of line from CRLF, CR or LF to $this->LE.
2442     * @access public
2443     * @param string $str String to FixEOL
2444     * @return string
2445     */
2446    public function FixEOL($str) {
2447      // condense down to \n
2448      $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
2449      // Now convert LE as needed
2450      if ($this->LE !== "\n") {
2451          $nstr = str_replace("\n", $this->LE, $nstr);
2452      }
2453      return  $nstr;
2454    }
2455  
2456    /**
2457     * Adds a custom header. $name value can be overloaded to contain
2458     * both header name and value (name:value)
2459     * @access public
2460     * @param string $name custom header name
2461     * @param string $value header value
2462     * @return void
2463     */
2464    public function AddCustomHeader($name, $value=null) {
2465      if ($value === null) {
2466          // Value passed in as name:value
2467          $this->CustomHeader[] = explode(':', $name, 2);
2468      } else {
2469          $this->CustomHeader[] = array($name, $value);
2470      }
2471    }
2472  
2473    /**
2474     * Evaluates the message and returns modifications for inline images and backgrounds
2475     * @access public
2476     * @param string $message Text to be HTML modified
2477     * @param string $basedir baseline directory for path
2478     * @return string $message
2479     */
2480    public function MsgHTML($message, $basedir = '') {
2481      preg_match_all("/(src|background)=[\"'](.*)[\"']/Ui", $message, $images);
2482      if(isset($images[2])) {
2483        foreach($images[2] as $i => $url) {
2484          // do not change urls for absolute images (thanks to corvuscorax)
2485          if (!preg_match('#^[A-z]+://#', $url)) {
2486            $filename = basename($url);
2487            $directory = dirname($url);
2488            if ($directory == '.') {
2489              $directory = '';
2490            }
2491            $cid = 'cid:' . md5($url);
2492            $ext = pathinfo($filename, PATHINFO_EXTENSION);
2493            $mimeType  = self::_mime_types($ext);
2494            if ( strlen($basedir) > 1 && substr($basedir, -1) != '/') { $basedir .= '/'; }
2495            if ( strlen($directory) > 1 && substr($directory, -1) != '/') { $directory .= '/'; }
2496            if ( $this->AddEmbeddedImage($basedir.$directory.$filename, md5($url), $filename, 'base64', $mimeType) ) {
2497              $message = preg_replace("/".$images[1][$i]."=[\"']".preg_quote($url, '/')."[\"']/Ui", $images[1][$i]."=\"".$cid."\"", $message);
2498            }
2499          }
2500        }
2501      }
2502      $this->IsHTML(true);
2503      $this->Body = $message;
2504      if (empty($this->AltBody)) {
2505          $textMsg = trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/s', '', $message)));
2506          if (!empty($textMsg)) {
2507              $this->AltBody = html_entity_decode($textMsg, ENT_QUOTES, $this->CharSet);
2508          }
2509      }
2510      if (empty($this->AltBody)) {
2511        $this->AltBody = 'To view this email message, open it in a program that understands HTML!' . "\n\n";
2512      }
2513      return $message;
2514    }
2515  
2516    /**
2517     * Gets the MIME type of the embedded or inline image
2518     * @param string $ext File extension
2519     * @access public
2520     * @return string MIME type of ext
2521     * @static
2522     */
2523    public static function _mime_types($ext = '') {
2524      $mimes = array(
2525        'xl'    =>  'application/excel',
2526        'hqx'   =>  'application/mac-binhex40',
2527        'cpt'   =>  'application/mac-compactpro',
2528        'bin'   =>  'application/macbinary',
2529        'doc'   =>  'application/msword',
2530        'word'  =>  'application/msword',
2531        'class' =>  'application/octet-stream',
2532        'dll'   =>  'application/octet-stream',
2533        'dms'   =>  'application/octet-stream',
2534        'exe'   =>  'application/octet-stream',
2535        'lha'   =>  'application/octet-stream',
2536        'lzh'   =>  'application/octet-stream',
2537        'psd'   =>  'application/octet-stream',
2538        'sea'   =>  'application/octet-stream',
2539        'so'    =>  'application/octet-stream',
2540        'oda'   =>  'application/oda',
2541        'pdf'   =>  'application/pdf',
2542        'ai'    =>  'application/postscript',
2543        'eps'   =>  'application/postscript',
2544        'ps'    =>  'application/postscript',
2545        'smi'   =>  'application/smil',
2546        'smil'  =>  'application/smil',
2547        'mif'   =>  'application/vnd.mif',
2548        'xls'   =>  'application/vnd.ms-excel',
2549        'ppt'   =>  'application/vnd.ms-powerpoint',
2550        'wbxml' =>  'application/vnd.wap.wbxml',
2551        'wmlc'  =>  'application/vnd.wap.wmlc',
2552        'dcr'   =>  'application/x-director',
2553        'dir'   =>  'application/x-director',
2554        'dxr'   =>  'application/x-director',
2555        'dvi'   =>  'application/x-dvi',
2556        'gtar'  =>  'application/x-gtar',
2557        'php3'  =>  'application/x-httpd-php',
2558        'php4'  =>  'application/x-httpd-php',
2559        'php'   =>  'application/x-httpd-php',
2560        'phtml' =>  'application/x-httpd-php',
2561        'phps'  =>  'application/x-httpd-php-source',
2562        'js'    =>  'application/x-javascript',
2563        'swf'   =>  'application/x-shockwave-flash',
2564        'sit'   =>  'application/x-stuffit',
2565        'tar'   =>  'application/x-tar',
2566        'tgz'   =>  'application/x-tar',
2567        'xht'   =>  'application/xhtml+xml',
2568        'xhtml' =>  'application/xhtml+xml',
2569        'zip'   =>  'application/zip',
2570        'mid'   =>  'audio/midi',
2571        'midi'  =>  'audio/midi',
2572        'mp2'   =>  'audio/mpeg',
2573        'mp3'   =>  'audio/mpeg',
2574        'mpga'  =>  'audio/mpeg',
2575        'aif'   =>  'audio/x-aiff',
2576        'aifc'  =>  'audio/x-aiff',
2577        'aiff'  =>  'audio/x-aiff',
2578        'ram'   =>  'audio/x-pn-realaudio',
2579        'rm'    =>  'audio/x-pn-realaudio',
2580        'rpm'   =>  'audio/x-pn-realaudio-plugin',
2581        'ra'    =>  'audio/x-realaudio',
2582        'wav'   =>  'audio/x-wav',
2583        'bmp'   =>  'image/bmp',
2584        'gif'   =>  'image/gif',
2585        'jpeg'  =>  'image/jpeg',
2586        'jpe'   =>  'image/jpeg',
2587        'jpg'   =>  'image/jpeg',
2588        'png'   =>  'image/png',
2589        'tiff'  =>  'image/tiff',
2590        'tif'   =>  'image/tiff',
2591        'eml'   =>  'message/rfc822',
2592        'css'   =>  'text/css',
2593        'html'  =>  'text/html',
2594        'htm'   =>  'text/html',
2595        'shtml' =>  'text/html',
2596        'log'   =>  'text/plain',
2597        'text'  =>  'text/plain',
2598        'txt'   =>  'text/plain',
2599        'rtx'   =>  'text/richtext',
2600        'rtf'   =>  'text/rtf',
2601        'xml'   =>  'text/xml',
2602        'xsl'   =>  'text/xml',
2603        'mpeg'  =>  'video/mpeg',
2604        'mpe'   =>  'video/mpeg',
2605        'mpg'   =>  'video/mpeg',
2606        'mov'   =>  'video/quicktime',
2607        'qt'    =>  'video/quicktime',
2608        'rv'    =>  'video/vnd.rn-realvideo',
2609        'avi'   =>  'video/x-msvideo',
2610        'movie' =>  'video/x-sgi-movie'
2611      );
2612      return (!isset($mimes[strtolower($ext)])) ? 'application/octet-stream' : $mimes[strtolower($ext)];
2613    }
2614  
2615    /**
2616    * Set (or reset) Class Objects (variables)
2617    *
2618    * Usage Example:
2619    * $page->set('X-Priority', '3');
2620    *
2621    * @access public
2622    * @param string $name Parameter Name
2623    * @param mixed $value Parameter Value
2624    * NOTE: will not work with arrays, there are no arrays to set/reset
2625     * @throws phpmailerException
2626     * @return bool
2627    * @todo Should this not be using __set() magic function?
2628    */
2629    public function set($name, $value = '') {
2630      try {
2631        if (isset($this->$name) ) {
2632          $this->$name = $value;
2633        } else {
2634          throw new phpmailerException($this->Lang('variable_set') . $name, self::STOP_CRITICAL);
2635        }
2636      } catch (Exception $e) {
2637        $this->SetError($e->getMessage());
2638        if ($e->getCode() == self::STOP_CRITICAL) {
2639          return false;
2640        }
2641      }
2642      return true;
2643    }
2644  
2645    /**
2646     * Strips newlines to prevent header injection.
2647     * @access public
2648     * @param string $str String
2649     * @return string
2650     */
2651    public function SecureHeader($str) {
2652      return trim(str_replace(array("\r", "\n"), '', $str));
2653    }
2654  
2655    /**
2656     * Set the private key file and password to sign the message.
2657     *
2658     * @access public
2659     * @param $cert_filename
2660     * @param string $key_filename Parameter File Name
2661     * @param string $key_pass Password for private key
2662     */
2663    public function Sign($cert_filename, $key_filename, $key_pass) {
2664      $this->sign_cert_file = $cert_filename;
2665      $this->sign_key_file = $key_filename;
2666      $this->sign_key_pass = $key_pass;
2667    }
2668  
2669    /**
2670     * Set the private key file and password to sign the message.
2671     *
2672     * @access public
2673     * @param string $txt
2674     * @return string
2675     */
2676    public function DKIM_QP($txt) {
2677      $line = '';
2678      for ($i = 0; $i < strlen($txt); $i++) {
2679        $ord = ord($txt[$i]);
2680        if ( ((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E)) ) {
2681          $line .= $txt[$i];
2682        } else {
2683          $line .= "=".sprintf("%02X", $ord);
2684        }
2685      }
2686      return $line;
2687    }
2688  
2689    /**
2690     * Generate DKIM signature
2691     *
2692     * @access public
2693     * @param string $s Header
2694     * @return string
2695     */
2696    public function DKIM_Sign($s) {
2697      $privKeyStr = file_get_contents($this->DKIM_private);
2698      if ($this->DKIM_passphrase != '') {
2699        $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
2700      } else {
2701        $privKey = $privKeyStr;
2702      }
2703      if (openssl_sign($s, $signature, $privKey)) {
2704        return base64_encode($signature);
2705      }
2706      return '';
2707    }
2708  
2709    /**
2710     * Generate DKIM Canonicalization Header
2711     *
2712     * @access public
2713     * @param string $s Header
2714     * @return string
2715     */
2716    public function DKIM_HeaderC($s) {
2717      $s = preg_replace("/\r\n\s+/", " ", $s);
2718      $lines = explode("\r\n", $s);
2719      foreach ($lines as $key => $line) {
2720        list($heading, $value) = explode(":", $line, 2);
2721        $heading = strtolower($heading);
2722        $value = preg_replace("/\s+/", " ", $value) ; // Compress useless spaces
2723        $lines[$key] = $heading.":".trim($value) ; // Don't forget to remove WSP around the value
2724      }
2725      $s = implode("\r\n", $lines);
2726      return $s;
2727    }
2728  
2729    /**
2730     * Generate DKIM Canonicalization Body
2731     *
2732     * @access public
2733     * @param string $body Message Body
2734     * @return string
2735     */
2736    public function DKIM_BodyC($body) {
2737      if ($body == '') return "\r\n";
2738      // stabilize line endings
2739      $body = str_replace("\r\n", "\n", $body);
2740      $body = str_replace("\n", "\r\n", $body);
2741      // END stabilize line endings
2742      while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
2743        $body = substr($body, 0, strlen($body) - 2);
2744      }
2745      return $body;
2746    }
2747  
2748    /**
2749     * Create the DKIM header, body, as new header
2750     *
2751     * @access public
2752     * @param string $headers_line Header lines
2753     * @param string $subject Subject
2754     * @param string $body Body
2755     * @return string
2756     */
2757    public function DKIM_Add($headers_line, $subject, $body) {
2758      $DKIMsignatureType    = 'rsa-sha1'; // Signature & hash algorithms
2759      $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
2760      $DKIMquery            = 'dns/txt'; // Query method
2761      $DKIMtime             = time() ; // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
2762      $subject_header       = "Subject: $subject";
2763      $headers              = explode($this->LE, $headers_line);
2764      $from_header          = "";
2765      $to_header            = "";
2766      foreach($headers as $header) {
2767        if (strpos($header, 'From:') === 0) {
2768          $from_header = $header;
2769        } elseif (strpos($header, 'To:') === 0) {
2770          $to_header = $header;
2771        }
2772      }
2773      $from     = str_replace('|', '=7C', $this->DKIM_QP($from_header));
2774      $to       = str_replace('|', '=7C', $this->DKIM_QP($to_header));
2775      $subject  = str_replace('|', '=7C', $this->DKIM_QP($subject_header)) ; // Copied header fields (dkim-quoted-printable
2776      $body     = $this->DKIM_BodyC($body);
2777      $DKIMlen  = strlen($body) ; // Length of body
2778      $DKIMb64  = base64_encode(pack("H*", sha1($body))) ; // Base64 of packed binary SHA-1 hash of body
2779      $ident    = ($this->DKIM_identity == '')? '' : " i=" . $this->DKIM_identity . ";";
2780      $dkimhdrs = "DKIM-Signature: v=1; a=" . $DKIMsignatureType . "; q=" . $DKIMquery . "; l=" . $DKIMlen . "; s=" . $this->DKIM_selector . ";\r\n".
2781                  "\tt=" . $DKIMtime . "; c=" . $DKIMcanonicalization . ";\r\n".
2782                  "\th=From:To:Subject;\r\n".
2783                  "\td=" . $this->DKIM_domain . ";" . $ident . "\r\n".
2784                  "\tz=$from\r\n".
2785                  "\t|$to\r\n".
2786                  "\t|$subject;\r\n".
2787                  "\tbh=" . $DKIMb64 . ";\r\n".
2788                  "\tb=";
2789      $toSign   = $this->DKIM_HeaderC($from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs);
2790      $signed   = $this->DKIM_Sign($toSign);
2791      return "X-PHPMAILER-DKIM: code.google.com/a/apache-extras.org/p/phpmailer/\r\n".$dkimhdrs.$signed."\r\n";
2792    }
2793  
2794    /**
2795     * Perform callback
2796     * @param boolean $isSent
2797     * @param string $to
2798     * @param string $cc
2799     * @param string $bcc
2800     * @param string $subject
2801     * @param string $body
2802     * @param string $from
2803     */
2804    protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from=null) {
2805      if (!empty($this->action_function) && is_callable($this->action_function)) {
2806        $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
2807        call_user_func_array($this->action_function, $params);
2808      }
2809    }
2810  }
2811  
2812  /**
2813   * Exception handler for PHPMailer
2814   * @package PHPMailer
2815   */
2816  class phpmailerException extends Exception {
2817    /**
2818     * Prettify error message output
2819     * @return string
2820     */
2821    public function errorMessage() {
2822      $errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";
2823      return $errorMsg;
2824    }
2825  }
2826  ?>