www/plugins/facteur/phpmailer-php5/class.phpmailer.php

   1 <?php
   2 /**
   3  * PHPMailer - PHP email creation and transport class.
   4  * PHP Version 5
   5  * @package PHPMailer
   6  * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
   7  * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
   8  * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
   9  * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
  10  * @author Brent R. Matzelle (original founder)
  11  * @copyright 2012 - 2014 Marcus Bointon
  12  * @copyright 2010 - 2012 Jim Jagielski
  13  * @copyright 2004 - 2009 Andy Prevost
  14  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
  15  * @note This program is distributed in the hope that it will be useful - WITHOUT
  16  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17  * FITNESS FOR A PARTICULAR PURPOSE.
  18  */
  19
  20 /**
  21  * PHPMailer - PHP email creation and transport class.
  22  * @package PHPMailer
  23  * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
  24  * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
  25  * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
  26  * @author Brent R. Matzelle (original founder)
  27  */
  28 class PHPMailer
  29 {
  30     /**
  31      * The PHPMailer Version number.
  32      * @var string
  33      */
  34     public $Version = '5.2.21';
  35
  36     /**
  37      * Email priority.
  38      * Options: null (default), 1 = High, 3 = Normal, 5 = low.
  39      * When null, the header is not set at all.
  40      * @var integer
  41      */
  42     public $Priority = null;
  43
  44     /**
  45      * The character set of the message.
  46      * @var string
  47      */
  48     public $CharSet = 'iso-8859-1';
  49
  50     /**
  51      * The MIME Content-type of the message.
  52      * @var string
  53      */
  54     public $ContentType = 'text/plain';
  55
  56     /**
  57      * The message encoding.
  58      * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
  59      * @var string
  60      */
  61     public $Encoding = '8bit';
  62
  63     /**
  64      * Holds the most recent mailer error message.
  65      * @var string
  66      */
  67     public $ErrorInfo = '';
  68
  69     /**
  70      * The From email address for the message.
  71      * @var string
  72      */
  73     public $From = 'root@localhost';
  74
  75     /**
  76      * The From name of the message.
  77      * @var string
  78      */
  79     public $FromName = 'Root User';
  80
  81     /**
  82      * The Sender email (Return-Path) of the message.
  83      * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
  84      * @var string
  85      */
  86     public $Sender = '';
  87
  88     /**
  89      * The Return-Path of the message.
  90      * If empty, it will be set to either From or Sender.
  91      * @var string
  92      * @deprecated Email senders should never set a return-path header;
  93      * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
  94      * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
  95      */
  96     public $ReturnPath = '';
  97
  98     /**
  99      * The Subject of the message.
 100      * @var string
 101      */
 102     public $Subject = '';
 103
 104     /**
 105      * An HTML or plain text message body.
 106      * If HTML then call isHTML(true).
 107      * @var string
 108      */
 109     public $Body = '';
 110
 111     /**
 112      * The plain-text message body.
 113      * This body can be read by mail clients that do not have HTML email
 114      * capability such as mutt & Eudora.
 115      * Clients that can read HTML will view the normal Body.
 116      * @var string
 117      */
 118     public $AltBody = '';
 119
 120     /**
 121      * An iCal message part body.
 122      * Only supported in simple alt or alt_inline message types
 123      * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
 124      * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
 125      * @link http://kigkonsult.se/iCalcreator/
 126      * @var string
 127      */
 128     public $Ical = '';
 129
 130     /**
 131      * The complete compiled MIME message body.
 132      * @access protected
 133      * @var string
 134      */
 135     protected $MIMEBody = '';
 136
 137     /**
 138      * The complete compiled MIME message headers.
 139      * @var string
 140      * @access protected
 141      */
 142     protected $MIMEHeader = '';
 143
 144     /**
 145      * Extra headers that createHeader() doesn't fold in.
 146      * @var string
 147      * @access protected
 148      */
 149     protected $mailHeader = '';
 150
 151     /**
 152      * Word-wrap the message body to this number of chars.
 153      * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
 154      * @var integer
 155      */
 156     public $WordWrap = 0;
 157
 158     /**
 159      * Which method to use to send mail.
 160      * Options: "mail", "sendmail", or "smtp".
 161      * @var string
 162      */
 163     public $Mailer = 'mail';
 164
 165     /**
 166      * The path to the sendmail program.
 167      * @var string
 168      */
 169     public $Sendmail = '/usr/sbin/sendmail';
 170
 171     /**
 172      * Whether mail() uses a fully sendmail-compatible MTA.
 173      * One which supports sendmail's "-oi -f" options.
 174      * @var boolean
 175      */
 176     public $UseSendmailOptions = true;
 177
 178     /**
 179      * Path to PHPMailer plugins.
 180      * Useful if the SMTP class is not in the PHP include path.
 181      * @var string
 182      * @deprecated Should not be needed now there is an autoloader.
 183      */
 184     public $PluginDir = '';
 185
 186     /**
 187      * The email address that a reading confirmation should be sent to, also known as read receipt.
 188      * @var string
 189      */
 190     public $ConfirmReadingTo = '';
 191
 192     /**
 193      * The hostname to use in the Message-ID header and as default HELO string.
 194      * If empty, PHPMailer attempts to find one with, in order,
 195      * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
 196      * 'localhost.localdomain'.
 197      * @var string
 198      */
 199     public $Hostname = '';
 200
 201     /**
 202      * An ID to be used in the Message-ID header.
 203      * If empty, a unique id will be generated.
 204      * You can set your own, but it must be in the format "<id@domain>",
 205      * as defined in RFC5322 section 3.6.4 or it will be ignored.
 206      * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
 207      * @var string
 208      */
 209     public $MessageID = '';
 210
 211     /**
 212      * The message Date to be used in the Date header.
 213      * If empty, the current date will be added.
 214      * @var string
 215      */
 216     public $MessageDate = '';
 217
 218     /**
 219      * SMTP hosts.
 220      * Either a single hostname or multiple semicolon-delimited hostnames.
 221      * You can also specify a different port
 222      * for each host by using this format: [hostname:port]
 223      * (e.g. "smtp1.example.com:25;smtp2.example.com").
 224      * You can also specify encryption type, for example:
 225      * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
 226      * Hosts will be tried in order.
 227      * @var string
 228      */
 229     public $Host = 'localhost';
 230
 231     /**
 232      * The default SMTP server port.
 233      * @var integer
 234      * @TODO Why is this needed when the SMTP class takes care of it?
 235      */
 236     public $Port = 25;
 237
 238     /**
 239      * The SMTP HELO of the message.
 240      * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
 241      * one with the same method described above for $Hostname.
 242      * @var string
 243      * @see PHPMailer::$Hostname
 244      */
 245     public $Helo = '';
 246
 247     /**
 248      * What kind of encryption to use on the SMTP connection.
 249      * Options: '', 'ssl' or 'tls'
 250      * @var string
 251      */
 252     public $SMTPSecure = '';
 253
 254     /**
 255      * Whether to enable TLS encryption automatically if a server supports it,
 256      * even if `SMTPSecure` is not set to 'tls'.
 257      * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
 258      * @var boolean
 259      */
 260     public $SMTPAutoTLS = true;
 261
 262     /**
 263      * Whether to use SMTP authentication.
 264      * Uses the Username and Password properties.
 265      * @var boolean
 266      * @see PHPMailer::$Username
 267      * @see PHPMailer::$Password
 268      */
 269     public $SMTPAuth = false;
 270
 271     /**
 272      * Options array passed to stream_context_create when connecting via SMTP.
 273      * @var array
 274      */
 275     public $SMTPOptions = array();
 276
 277     /**
 278      * SMTP username.
 279      * @var string
 280      */
 281     public $Username = '';
 282
 283     /**
 284      * SMTP password.
 285      * @var string
 286      */
 287     public $Password = '';
 288
 289     /**
 290      * SMTP auth type.
 291      * Options are CRAM-MD5, LOGIN, PLAIN, NTLM, XOAUTH2, attempted in that order if not specified
 292      * @var string
 293      */
 294     public $AuthType = '';
 295
 296     /**
 297      * SMTP realm.
 298      * Used for NTLM auth
 299      * @var string
 300      */
 301     public $Realm = '';
 302
 303     /**
 304      * SMTP workstation.
 305      * Used for NTLM auth
 306      * @var string
 307      */
 308     public $Workstation = '';
 309
 310     /**
 311      * The SMTP server timeout in seconds.
 312      * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
 313      * @var integer
 314      */
 315     public $Timeout = 300;
 316
 317     /**
 318      * SMTP class debug output mode.
 319      * Debug output level.
 320      * Options:
 321      * * `0` No output
 322      * * `1` Commands
 323      * * `2` Data and commands
 324      * * `3` As 2 plus connection status
 325      * * `4` Low-level data output
 326      * @var integer
 327      * @see SMTP::$do_debug
 328      */
 329     public $SMTPDebug = 0;
 330
 331     /**
 332      * How to handle debug output.
 333      * Options:
 334      * * `echo` Output plain-text as-is, appropriate for CLI
 335      * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
 336      * * `error_log` Output to error log as configured in php.ini
 337      *
 338      * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
 339      * <code>
 340      * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
 341      * </code>
 342      * @var string|callable
 343      * @see SMTP::$Debugoutput
 344      */
 345     public $Debugoutput = 'echo';
 346
 347     /**
 348      * Whether to keep SMTP connection open after each message.
 349      * If this is set to true then to close the connection
 350      * requires an explicit call to smtpClose().
 351      * @var boolean
 352      */
 353     public $SMTPKeepAlive = false;
 354
 355     /**
 356      * Whether to split multiple to addresses into multiple messages
 357      * or send them all in one message.
 358      * Only supported in `mail` and `sendmail` transports, not in SMTP.
 359      * @var boolean
 360      */
 361     public $SingleTo = false;
 362
 363     /**
 364      * Storage for addresses when SingleTo is enabled.
 365      * @var array
 366      * @TODO This should really not be public
 367      */
 368     public $SingleToArray = array();
 369
 370     /**
 371      * Whether to generate VERP addresses on send.
 372      * Only applicable when sending via SMTP.
 373      * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path
 374      * @link http://www.postfix.org/VERP_README.html Postfix VERP info
 375      * @var boolean
 376      */
 377     public $do_verp = false;
 378
 379     /**
 380      * Whether to allow sending messages with an empty body.
 381      * @var boolean
 382      */
 383     public $AllowEmpty = false;
 384
 385     /**
 386      * The default line ending.
 387      * @note The default remains "\n". We force CRLF where we know
 388      *        it must be used via self::CRLF.
 389      * @var string
 390      */
 391     public $LE = "\n";
 392
 393     /**
 394      * DKIM selector.
 395      * @var string
 396      */
 397     public $DKIM_selector = '';
 398
 399     /**
 400      * DKIM Identity.
 401      * Usually the email address used as the source of the email.
 402      * @var string
 403      */
 404     public $DKIM_identity = '';
 405
 406     /**
 407      * DKIM passphrase.
 408      * Used if your key is encrypted.
 409      * @var string
 410      */
 411     public $DKIM_passphrase = '';
 412
 413     /**
 414      * DKIM signing domain name.
 415      * @example 'example.com'
 416      * @var string
 417      */
 418     public $DKIM_domain = '';
 419
 420     /**
 421      * DKIM private key file path.
 422      * @var string
 423      */
 424     public $DKIM_private = '';
 425
 426     /**
 427      * DKIM private key string.
 428      * If set, takes precedence over `$DKIM_private`.
 429      * @var string
 430      */
 431     public $DKIM_private_string = '';
 432
 433     /**
 434      * Callback Action function name.
 435      *
 436      * The function that handles the result of the send email action.
 437      * It is called out by send() for each email sent.
 438      *
 439      * Value can be any php callable: http://www.php.net/is_callable
 440      *
 441      * Parameters:
 442      *   boolean $result        result of the send action
 443      *   string  $to            email address of the recipient
 444      *   string  $cc            cc email addresses
 445      *   string  $bcc           bcc email addresses
 446      *   string  $subject       the subject
 447      *   string  $body          the email body
 448      *   string  $from          email address of sender
 449      * @var string
 450      */
 451     public $action_function = '';
 452
 453     /**
 454      * What to put in the X-Mailer header.
 455      * Options: An empty string for PHPMailer default, whitespace for none, or a string to use
 456      * @var string
 457      */
 458     public $XMailer = '';
 459
 460     /**
 461      * Which validator to use by default when validating email addresses.
 462      * May be a callable to inject your own validator, but there are several built-in validators.
 463      * @see PHPMailer::validateAddress()
 464      * @var string|callable
 465      * @static
 466      */
 467     public static $validator = 'auto';
 468
 469     /**
 470      * An instance of the SMTP sender class.
 471      * @var SMTP
 472      * @access protected
 473      */
 474     protected $smtp = null;
 475
 476     /**
 477      * The array of 'to' names and addresses.
 478      * @var array
 479      * @access protected
 480      */
 481     protected $to = array();
 482
 483     /**
 484      * The array of 'cc' names and addresses.
 485      * @var array
 486      * @access protected
 487      */
 488     protected $cc = array();
 489
 490     /**
 491      * The array of 'bcc' names and addresses.
 492      * @var array
 493      * @access protected
 494      */
 495     protected $bcc = array();
 496
 497     /**
 498      * The array of reply-to names and addresses.
 499      * @var array
 500      * @access protected
 501      */
 502     protected $ReplyTo = array();
 503
 504     /**
 505      * An array of all kinds of addresses.
 506      * Includes all of $to, $cc, $bcc
 507      * @var array
 508      * @access protected
 509      * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
 510      */
 511     protected $all_recipients = array();
 512
 513     /**
 514      * An array of names and addresses queued for validation.
 515      * In send(), valid and non duplicate entries are moved to $all_recipients
 516      * and one of $to, $cc, or $bcc.
 517      * This array is used only for addresses with IDN.
 518      * @var array
 519      * @access protected
 520      * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
 521      * @see PHPMailer::$all_recipients
 522      */
 523     protected $RecipientsQueue = array();
 524
 525     /**
 526      * An array of reply-to names and addresses queued for validation.
 527      * In send(), valid and non duplicate entries are moved to $ReplyTo.
 528      * This array is used only for addresses with IDN.
 529      * @var array
 530      * @access protected
 531      * @see PHPMailer::$ReplyTo
 532      */
 533     protected $ReplyToQueue = array();
 534
 535     /**
 536      * The array of attachments.
 537      * @var array
 538      * @access protected
 539      */
 540     protected $attachment = array();
 541
 542     /**
 543      * The array of custom headers.
 544      * @var array
 545      * @access protected
 546      */
 547     protected $CustomHeader = array();
 548
 549     /**
 550      * The most recent Message-ID (including angular brackets).
 551      * @var string
 552      * @access protected
 553      */
 554     protected $lastMessageID = '';
 555
 556     /**
 557      * The message's MIME type.
 558      * @var string
 559      * @access protected
 560      */
 561     protected $message_type = '';
 562
 563     /**
 564      * The array of MIME boundary strings.
 565      * @var array
 566      * @access protected
 567      */
 568     protected $boundary = array();
 569
 570     /**
 571      * The array of available languages.
 572      * @var array
 573      * @access protected
 574      */
 575     protected $language = array();
 576
 577     /**
 578      * The number of errors encountered.
 579      * @var integer
 580      * @access protected
 581      */
 582     protected $error_count = 0;
 583
 584     /**
 585      * The S/MIME certificate file path.
 586      * @var string
 587      * @access protected
 588      */
 589     protected $sign_cert_file = '';
 590
 591     /**
 592      * The S/MIME key file path.
 593      * @var string
 594      * @access protected
 595      */
 596     protected $sign_key_file = '';
 597
 598     /**
 599      * The optional S/MIME extra certificates ("CA Chain") file path.
 600      * @var string
 601      * @access protected
 602      */
 603     protected $sign_extracerts_file = '';
 604
 605     /**
 606      * The S/MIME password for the key.
 607      * Used only if the key is encrypted.
 608      * @var string
 609      * @access protected
 610      */
 611     protected $sign_key_pass = '';
 612
 613     /**
 614      * Whether to throw exceptions for errors.
 615      * @var boolean
 616      * @access protected
 617      */
 618     protected $exceptions = false;
 619
 620     /**
 621      * Unique ID used for message ID and boundaries.
 622      * @var string
 623      * @access protected
 624      */
 625     protected $uniqueid = '';
 626
 627     /**
 628      * Error severity: message only, continue processing.
 629      */
 630     const STOP_MESSAGE = 0;
 631
 632     /**
 633      * Error severity: message, likely ok to continue processing.
 634      */
 635     const STOP_CONTINUE = 1;
 636
 637     /**
 638      * Error severity: message, plus full stop, critical error reached.
 639      */
 640     const STOP_CRITICAL = 2;
 641
 642     /**
 643      * SMTP RFC standard line ending.
 644      */
 645     const CRLF = "\r\n";
 646
 647     /**
 648      * The maximum line length allowed by RFC 2822 section 2.1.1
 649      * @var integer
 650      */
 651     const MAX_LINE_LENGTH = 998;
 652
 653     /**
 654      * Constructor.
 655      * @param boolean $exceptions Should we throw external exceptions?
 656      */
 657     public function __construct($exceptions = null)
 658     {
 659         if ($exceptions !== null) {
 660             $this->exceptions = (boolean)$exceptions;
 661         }
 662     }
 663
 664     /**
 665      * Destructor.
 666      */
 667     public function __destruct()
 668     {
 669         //Close any open SMTP connection nicely
 670         $this->smtpClose();
 671     }
 672
 673     /**
 674      * Call mail() in a safe_mode-aware fashion.
 675      * Also, unless sendmail_path points to sendmail (or something that
 676      * claims to be sendmail), don't pass params (not a perfect fix,
 677      * but it will do)
 678      * @param string $to To
 679      * @param string $subject Subject
 680      * @param string $body Message Body
 681      * @param string $header Additional Header(s)
 682      * @param string $params Params
 683      * @access private
 684      * @return boolean
 685      */
 686     private function mailPassthru($to, $subject, $body, $header, $params)
 687     {
 688         //Check overloading of mail function to avoid double-encoding
 689         if (ini_get('mbstring.func_overload') & 1) {
 690             $subject = $this->secureHeader($subject);
 691         } else {
 692             $subject = $this->encodeHeader($this->secureHeader($subject));
 693         }
 694
 695         //Can't use additional_parameters in safe_mode, calling mail() with null params breaks
 696         //@link http://php.net/manual/en/function.mail.php
 697         if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) {
 698             $result = @mail($to, $subject, $body, $header);
 699         } else {
 700             $result = @mail($to, $subject, $body, $header, $params);
 701         }
 702         return $result;
 703     }
 704     /**
 705      * Output debugging info via user-defined method.
 706      * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
 707      * @see PHPMailer::$Debugoutput
 708      * @see PHPMailer::$SMTPDebug
 709      * @param string $str
 710      */
 711     protected function edebug($str)
 712     {
 713         if ($this->SMTPDebug <= 0) {
 714             return;
 715         }
 716         //Avoid clash with built-in function names
 717         if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
 718             call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
 719             return;
 720         }
 721         switch ($this->Debugoutput) {
 722             case 'error_log':
 723                 //Don't output, just log
 724                 error_log($str);
 725                 break;
 726             case 'html':
 727                 //Cleans up output a bit for a better looking, HTML-safe output
 728                 echo htmlentities(
 729                     preg_replace('/[\r\n]+/', '', $str),
 730                     ENT_QUOTES,
 731                     'UTF-8'
 732                 )
 733                 . "<br>\n";
 734                 break;
 735             case 'echo':
 736             default:
 737                 //Normalize line breaks
 738                 $str = preg_replace('/\r\n?/ms', "\n", $str);
 739                 echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
 740                     "\n",
 741                     "\n                   \t                  ",
 742                     trim($str)
 743                 ) . "\n";
 744         }
 745     }
 746
 747     /**
 748      * Sets message type to HTML or plain.
 749      * @param boolean $isHtml True for HTML mode.
 750      * @return void
 751      */
 752     public function isHTML($isHtml = true)
 753     {
 754         if ($isHtml) {
 755             $this->ContentType = 'text/html';
 756         } else {
 757             $this->ContentType = 'text/plain';
 758         }
 759     }
 760
 761     /**
 762      * Send messages using SMTP.
 763      * @return void
 764      */
 765     public function isSMTP()
 766     {
 767         $this->Mailer = 'smtp';
 768     }
 769
 770     /**
 771      * Send messages using PHP's mail() function.
 772      * @return void
 773      */
 774     public function isMail()
 775     {
 776         $this->Mailer = 'mail';
 777     }
 778
 779     /**
 780      * Send messages using $Sendmail.
 781      * @return void
 782      */
 783     public function isSendmail()
 784     {
 785         $ini_sendmail_path = ini_get('sendmail_path');
 786
 787         if (!stristr($ini_sendmail_path, 'sendmail')) {
 788             $this->Sendmail = '/usr/sbin/sendmail';
 789         } else {
 790             $this->Sendmail = $ini_sendmail_path;
 791         }
 792         $this->Mailer = 'sendmail';
 793     }
 794
 795     /**
 796      * Send messages using qmail.
 797      * @return void
 798      */
 799     public function isQmail()
 800     {
 801         $ini_sendmail_path = ini_get('sendmail_path');
 802
 803         if (!stristr($ini_sendmail_path, 'qmail')) {
 804             $this->Sendmail = '/var/qmail/bin/qmail-inject';
 805         } else {
 806             $this->Sendmail = $ini_sendmail_path;
 807         }
 808         $this->Mailer = 'qmail';
 809     }
 810
 811     /**
 812      * Add a "To" address.
 813      * @param string $address The email address to send to
 814      * @param string $name
 815      * @return boolean true on success, false if address already used or invalid in some way
 816      */
 817     public function addAddress($address, $name = '')
 818     {
 819         return $this->addOrEnqueueAnAddress('to', $address, $name);
 820     }
 821
 822     /**
 823      * Add a "CC" address.
 824      * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
 825      * @param string $address The email address to send to
 826      * @param string $name
 827      * @return boolean true on success, false if address already used or invalid in some way
 828      */
 829     public function addCC($address, $name = '')
 830     {
 831         return $this->addOrEnqueueAnAddress('cc', $address, $name);
 832     }
 833
 834     /**
 835      * Add a "BCC" address.
 836      * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
 837      * @param string $address The email address to send to
 838      * @param string $name
 839      * @return boolean true on success, false if address already used or invalid in some way
 840      */
 841     public function addBCC($address, $name = '')
 842     {
 843         return $this->addOrEnqueueAnAddress('bcc', $address, $name);
 844     }
 845
 846     /**
 847      * Add a "Reply-To" address.
 848      * @param string $address The email address to reply to
 849      * @param string $name
 850      * @return boolean true on success, false if address already used or invalid in some way
 851      */
 852     public function addReplyTo($address, $name = '')
 853     {
 854         return $this->addOrEnqueueAnAddress('Reply-To', $address, $name);
 855     }
 856
 857     /**
 858      * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
 859      * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
 860      * be modified after calling this function), addition of such addresses is delayed until send().
 861      * Addresses that have been added already return false, but do not throw exceptions.
 862      * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
 863      * @param string $address The email address to send, resp. to reply to
 864      * @param string $name
 865      * @throws phpmailerException
 866      * @return boolean true on success, false if address already used or invalid in some way
 867      * @access protected
 868      */
 869     protected function addOrEnqueueAnAddress($kind, $address, $name)
 870     {
 871         $address = trim($address);
 872         $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
 873         if (($pos = strrpos($address, '@')) === false) {
 874             // At-sign is misssing.
 875             $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
 876             $this->setError($error_message);
 877             $this->edebug($error_message);
 878             if ($this->exceptions) {
 879                 throw new phpmailerException($error_message);
 880             }
 881             return false;
 882         }
 883         $params = array($kind, $address, $name);
 884         // Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
 885         if ($this->has8bitChars(substr($address, ++$pos)) and $this->idnSupported()) {
 886             if ($kind != 'Reply-To') {
 887                 if (!array_key_exists($address, $this->RecipientsQueue)) {
 888                     $this->RecipientsQueue[$address] = $params;
 889                     return true;
 890                 }
 891             } else {
 892                 if (!array_key_exists($address, $this->ReplyToQueue)) {
 893                     $this->ReplyToQueue[$address] = $params;
 894                     return true;
 895                 }
 896             }
 897             return false;
 898         }
 899         // Immediately add standard addresses without IDN.
 900         return call_user_func_array(array($this, 'addAnAddress'), $params);
 901     }
 902
 903     /**
 904      * Add an address to one of the recipient arrays or to the ReplyTo array.
 905      * Addresses that have been added already return false, but do not throw exceptions.
 906      * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
 907      * @param string $address The email address to send, resp. to reply to
 908      * @param string $name
 909      * @throws phpmailerException
 910      * @return boolean true on success, false if address already used or invalid in some way
 911      * @access protected
 912      */
 913     protected function addAnAddress($kind, $address, $name = '')
 914     {
 915         if (!in_array($kind, array('to', 'cc', 'bcc', 'Reply-To'))) {
 916             $error_message = $this->lang('Invalid recipient kind: ') . $kind;
 917             $this->setError($error_message);
 918             $this->edebug($error_message);
 919             if ($this->exceptions) {
 920                 throw new phpmailerException($error_message);
 921             }
 922             return false;
 923         }
 924         if (!$this->validateAddress($address)) {
 925             $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
 926             $this->setError($error_message);
 927             $this->edebug($error_message);
 928             if ($this->exceptions) {
 929                 throw new phpmailerException($error_message);
 930             }
 931             return false;
 932         }
 933         if ($kind != 'Reply-To') {
 934             if (!array_key_exists(strtolower($address), $this->all_recipients)) {
 935                 array_push($this->$kind, array($address, $name));
 936                 $this->all_recipients[strtolower($address)] = true;
 937                 return true;
 938             }
 939         } else {
 940             if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
 941                 $this->ReplyTo[strtolower($address)] = array($address, $name);
 942                 return true;
 943             }
 944         }
 945         return false;
 946     }
 947
 948     /**
 949      * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
 950      * of the form "display name <address>" into an array of name/address pairs.
 951      * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
 952      * Note that quotes in the name part are removed.
 953      * @param string $addrstr The address list string
 954      * @param bool $useimap Whether to use the IMAP extension to parse the list
 955      * @return array
 956      * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
 957      */
 958     public function parseAddresses($addrstr, $useimap = true)
 959     {
 960         $addresses = array();
 961         if ($useimap and function_exists('imap_rfc822_parse_adrlist')) {
 962             //Use this built-in parser if it's available
 963             $list = imap_rfc822_parse_adrlist($addrstr, '');
 964             foreach ($list as $address) {
 965                 if ($address->host != '.SYNTAX-ERROR.') {
 966                     if ($this->validateAddress($address->mailbox . '@' . $address->host)) {
 967                         $addresses[] = array(
 968                             'name' => (property_exists($address, 'personal') ? $address->personal : ''),
 969                             'address' => $address->mailbox . '@' . $address->host
 970                         );
 971                     }
 972                 }
 973             }
 974         } else {
 975             //Use this simpler parser
 976             $list = explode(',', $addrstr);
 977             foreach ($list as $address) {
 978                 $address = trim($address);
 979                 //Is there a separate name part?
 980                 if (strpos($address, '<') === false) {
 981                     //No separate name, just use the whole thing
 982                     if ($this->validateAddress($address)) {
 983                         $addresses[] = array(
 984                             'name' => '',
 985                             'address' => $address
 986                         );
 987                     }
 988                 } else {
 989                     list($name, $email) = explode('<', $address);
 990                     $email = trim(str_replace('>', '', $email));
 991                     if ($this->validateAddress($email)) {
 992                         $addresses[] = array(
 993                             'name' => trim(str_replace(array('"', "'"), '', $name)),
 994                             'address' => $email
 995                         );
 996                     }
 997                 }
 998             }
 999         }
1000         return $addresses;
1001     }
1002
1003     /**
1004      * Set the From and FromName properties.
1005      * @param string $address
1006      * @param string $name
1007      * @param boolean $auto Whether to also set the Sender address, defaults to true
1008      * @throws phpmailerException
1009      * @return boolean
1010      */
1011     public function setFrom($address, $name = '', $auto = true)
1012     {
1013         $address = trim($address);
1014         $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
1015         // Don't validate now addresses with IDN. Will be done in send().
1016         if (($pos = strrpos($address, '@')) === false or
1017             (!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and
1018             !$this->validateAddress($address)) {
1019             $error_message = $this->lang('invalid_address') . " (setFrom) $address";
1020             $this->setError($error_message);
1021             $this->edebug($error_message);
1022             if ($this->exceptions) {
1023                 throw new phpmailerException($error_message);
1024             }
1025             return false;
1026         }
1027         $this->From = $address;
1028         $this->FromName = $name;
1029         if ($auto) {
1030             if (empty($this->Sender)) {
1031                 $this->Sender = $address;
1032             }
1033         }
1034         return true;
1035     }
1036
1037     /**
1038      * Return the Message-ID header of the last email.
1039      * Technically this is the value from the last time the headers were created,
1040      * but it's also the message ID of the last sent message except in
1041      * pathological cases.
1042      * @return string
1043      */
1044     public function getLastMessageID()
1045     {
1046         return $this->lastMessageID;
1047     }
1048
1049     /**
1050      * Check that a string looks like an email address.
1051      * @param string $address The email address to check
1052      * @param string|callable $patternselect A selector for the validation pattern to use :
1053      * * `auto` Pick best pattern automatically;
1054      * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
1055      * * `pcre` Use old PCRE implementation;
1056      * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
1057      * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
1058      * * `noregex` Don't use a regex: super fast, really dumb.
1059      * Alternatively you may pass in a callable to inject your own validator, for example:
1060      * PHPMailer::validateAddress('user@example.com', function($address) {
1061      *     return (strpos($address, '@') !== false);
1062      * });
1063      * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
1064      * @return boolean
1065      * @static
1066      * @access public
1067      */
1068     public static function validateAddress($address, $patternselect = null)
1069     {
1070         if (is_null($patternselect)) {
1071             $patternselect = self::$validator;
1072         }
1073         if (is_callable($patternselect)) {
1074             return call_user_func($patternselect, $address);
1075         }
1076         //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
1077         if (strpos($address, "\n") !== false or strpos($address, "\r") !== false) {
1078             return false;
1079         }
1080         if (!$patternselect or $patternselect == 'auto') {
1081             //Check this constant first so it works when extension_loaded() is disabled by safe mode
1082             //Constant was added in PHP 5.2.4
1083             if (defined('PCRE_VERSION')) {
1084                 //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
1085                 if (version_compare(PCRE_VERSION, '8.0.3') >= 0) {
1086                     $patternselect = 'pcre8';
1087                 } else {
1088                     $patternselect = 'pcre';
1089                 }
1090             } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) {
1091                 //Fall back to older PCRE
1092                 $patternselect = 'pcre';
1093             } else {
1094                 //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
1095                 if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
1096                     $patternselect = 'php';
1097                 } else {
1098                     $patternselect = 'noregex';
1099                 }
1100             }
1101         }
1102         switch ($patternselect) {
1103             case 'pcre8':
1104                 /**
1105                  * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
1106                  * @link http://squiloople.com/2009/12/20/email-address-validation/
1107                  * @copyright 2009-2010 Michael Rushton
1108                  * Feel free to use and redistribute this code. But please keep this copyright notice.
1109                  */
1110                 return (boolean)preg_match(
1111                     '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
1112                     '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
1113                     '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
1114                     '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
1115                     '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
1116                     '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
1117                     '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
1118                     '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
1119                     '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
1120                     $address
1121                 );
1122             case 'pcre':
1123                 //An older regex that doesn't need a recent PCRE
1124                 return (boolean)preg_match(
1125                     '/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
1126                     '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
1127                     '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
1128                     '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
1129                     '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
1130                     '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
1131                     '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
1132                     '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
1133                     '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
1134                     '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
1135                     $address
1136                 );
1137             case 'html5':
1138                 /**
1139                  * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
1140                  * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
1141                  */
1142                 return (boolean)preg_match(
1143                     '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
1144                     '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
1145                     $address
1146                 );
1147             case 'noregex':
1148                 //No PCRE! Do something _very_ approximate!
1149                 //Check the address is 3 chars or longer and contains an @ that's not the first or last char
1150                 return (strlen($address) >= 3
1151                     and strpos($address, '@') >= 1
1152                     and strpos($address, '@') != strlen($address) - 1);
1153             case 'php':
1154             default:
1155                 return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
1156         }
1157     }
1158
1159     /**
1160      * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
1161      * "intl" and "mbstring" PHP extensions.
1162      * @return bool "true" if required functions for IDN support are present
1163      */
1164     public function idnSupported()
1165     {
1166         // @TODO: Write our own "idn_to_ascii" function for PHP <= 5.2.
1167         return function_exists('idn_to_ascii') and function_exists('mb_convert_encoding');
1168     }
1169
1170     /**
1171      * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
1172      * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
1173      * This function silently returns unmodified address if:
1174      * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
1175      * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
1176      *   or fails for any reason (e.g. domain has characters not allowed in an IDN)
1177      * @see PHPMailer::$CharSet
1178      * @param string $address The email address to convert
1179      * @return string The encoded address in ASCII form
1180      */
1181     public function punyencodeAddress($address)
1182     {
1183         // Verify we have required functions, CharSet, and at-sign.
1184         if ($this->idnSupported() and
1185             !empty($this->CharSet) and
1186             ($pos = strrpos($address, '@')) !== false) {
1187             $domain = substr($address, ++$pos);
1188             // Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
1189             if ($this->has8bitChars($domain) and @mb_check_encoding($domain, $this->CharSet)) {
1190                 $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet);
1191                 if (($punycode = defined('INTL_IDNA_VARIANT_UTS46') ?
1192                     idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) :
1193                     idn_to_ascii($domain)) !== false) {
1194                     return substr($address, 0, $pos) . $punycode;
1195                 }
1196             }
1197         }
1198         return $address;
1199     }
1200
1201     /**
1202      * Create a message and send it.
1203      * Uses the sending method specified by $Mailer.
1204      * @throws phpmailerException
1205      * @return boolean false on error - See the ErrorInfo property for details of the error.
1206      */
1207     public function send()
1208     {
1209         try {
1210             if (!$this->preSend()) {
1211                 return false;
1212             }
1213             return $this->postSend();
1214         } catch (phpmailerException $exc) {
1215             $this->mailHeader = '';
1216             $this->setError($exc->getMessage());
1217             if ($this->exceptions) {
1218                 throw $exc;
1219             }
1220             return false;
1221         }
1222     }
1223
1224     /**
1225      * Prepare a message for sending.
1226      * @throws phpmailerException
1227      * @return boolean
1228      */
1229     public function preSend()
1230     {
1231         try {
1232             $this->error_count = 0; // Reset errors
1233             $this->mailHeader = '';
1234
1235             // Dequeue recipient and Reply-To addresses with IDN
1236             foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
1237                 $params[1] = $this->punyencodeAddress($params[1]);
1238                 call_user_func_array(array($this, 'addAnAddress'), $params);
1239             }
1240             if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
1241                 throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL);
1242             }
1243
1244             // Validate From, Sender, and ConfirmReadingTo addresses
1245             foreach (array('From', 'Sender', 'ConfirmReadingTo') as $address_kind) {
1246                 $this->$address_kind = trim($this->$address_kind);
1247                 if (empty($this->$address_kind)) {
1248                     continue;
1249                 }
1250                 $this->$address_kind = $this->punyencodeAddress($this->$address_kind);
1251                 if (!$this->validateAddress($this->$address_kind)) {
1252                     $error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind;
1253                     $this->setError($error_message);
1254                     $this->edebug($error_message);
1255                     if ($this->exceptions) {
1256                         throw new phpmailerException($error_message);
1257                     }
1258                     return false;
1259                 }
1260             }
1261
1262             // Set whether the message is multipart/alternative
1263             if ($this->alternativeExists()) {
1264                 $this->ContentType = 'multipart/alternative';
1265             }
1266
1267             $this->setMessageType();
1268             // Refuse to send an empty message unless we are specifically allowing it
1269             if (!$this->AllowEmpty and empty($this->Body)) {
1270                 throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL);
1271             }
1272
1273             // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
1274             $this->MIMEHeader = '';
1275             $this->MIMEBody = $this->createBody();
1276             // createBody may have added some headers, so retain them
1277             $tempheaders = $this->MIMEHeader;
1278             $this->MIMEHeader = $this->createHeader();
1279             $this->MIMEHeader .= $tempheaders;
1280
1281             // To capture the complete message when using mail(), create
1282             // an extra header list which createHeader() doesn't fold in
1283             if ($this->Mailer == 'mail') {
1284                 if (count($this->to) > 0) {
1285                     $this->mailHeader .= $this->addrAppend('To', $this->to);
1286                 } else {
1287                     $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
1288                 }
1289                 $this->mailHeader .= $this->headerLine(
1290                     'Subject',
1291                     $this->encodeHeader($this->secureHeader(trim($this->Subject)))
1292                 );
1293             }
1294
1295             // Sign with DKIM if enabled
1296             if (!empty($this->DKIM_domain)
1297                 && !empty($this->DKIM_selector)
1298                 && (!empty($this->DKIM_private_string)
1299                    || (!empty($this->DKIM_private) && file_exists($this->DKIM_private))
1300                 )
1301             ) {
1302                 $header_dkim = $this->DKIM_Add(
1303                     $this->MIMEHeader . $this->mailHeader,
1304                     $this->encodeHeader($this->secureHeader($this->Subject)),
1305                     $this->MIMEBody
1306                 );
1307                 $this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF .
1308                     str_replace("\r\n", "\n", $header_dkim) . self::CRLF;
1309             }
1310             return true;
1311         } catch (phpmailerException $exc) {
1312             $this->setError($exc->getMessage());
1313             if ($this->exceptions) {
1314                 throw $exc;
1315             }
1316             return false;
1317         }
1318     }
1319
1320     /**
1321      * Actually send a message.
1322      * Send the email via the selected mechanism
1323      * @throws phpmailerException
1324      * @return boolean
1325      */
1326     public function postSend()
1327     {
1328         try {
1329             // Choose the mailer and send through it
1330             switch ($this->Mailer) {
1331                 case 'sendmail':
1332                 case 'qmail':
1333                     return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
1334                 case 'smtp':
1335                     return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
1336                 case 'mail':
1337                     return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
1338                 default:
1339                     $sendMethod = $this->Mailer.'Send';
1340                     if (method_exists($this, $sendMethod)) {
1341                         return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
1342                     }
1343
1344                     return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
1345             }
1346         } catch (phpmailerException $exc) {
1347             $this->setError($exc->getMessage());
1348             $this->edebug($exc->getMessage());
1349             if ($this->exceptions) {
1350                 throw $exc;
1351             }
1352         }
1353         return false;
1354     }
1355
1356     /**
1357      * Send mail using the $Sendmail program.
1358      * @param string $header The message headers
1359      * @param string $body The message body
1360      * @see PHPMailer::$Sendmail
1361      * @throws phpmailerException
1362      * @access protected
1363      * @return boolean
1364      */
1365     protected function sendmailSend($header, $body)
1366     {
1367         // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
1368         if (!empty($this->Sender) and self::isShellSafe($this->Sender)) {
1369             if ($this->Mailer == 'qmail') {
1370                 $sendmailFmt = '%s -f%s';
1371             } else {
1372                 $sendmailFmt = '%s -oi -f%s -t';
1373             }
1374         } else {
1375             if ($this->Mailer == 'qmail') {
1376                 $sendmailFmt = '%s';
1377             } else {
1378                 $sendmailFmt = '%s -oi -t';
1379             }
1380         }
1381
1382         // TODO: If possible, this should be changed to escapeshellarg.  Needs thorough testing.
1383         $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);
1384
1385         if ($this->SingleTo) {
1386             foreach ($this->SingleToArray as $toAddr) {
1387                 if (!@$mail = popen($sendmail, 'w')) {
1388                     throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1389                 }
1390                 fputs($mail, 'To: ' . $toAddr . "\n");
1391                 fputs($mail, $header);
1392                 fputs($mail, $body);
1393                 $result = pclose($mail);
1394                 $this->doCallback(
1395                     ($result == 0),
1396                     array($toAddr),
1397                     $this->cc,
1398                     $this->bcc,
1399                     $this->Subject,
1400                     $body,
1401                     $this->From
1402                 );
1403                 if ($result != 0) {
1404                     throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1405                 }
1406             }
1407         } else {
1408             if (!@$mail = popen($sendmail, 'w')) {
1409                 throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1410             }
1411             fputs($mail, $header);
1412             fputs($mail, $body);
1413             $result = pclose($mail);
1414             $this->doCallback(
1415                 ($result == 0),
1416                 $this->to,
1417                 $this->cc,
1418                 $this->bcc,
1419                 $this->Subject,
1420                 $body,
1421                 $this->From
1422             );
1423             if ($result != 0) {
1424                 throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
1425             }
1426         }
1427         return true;
1428     }
1429
1430     /**
1431      * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
1432      *
1433      * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
1434      * @param string $string The string to be validated
1435      * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
1436      * @access protected
1437      * @return boolean
1438      */
1439     protected static function isShellSafe($string)
1440     {
1441         // Future-proof
1442         if (escapeshellcmd($string) !== $string
1443             or !in_array(escapeshellarg($string), array("'$string'", "\"$string\""))
1444         ) {
1445             return false;
1446         }
1447
1448         $length = strlen($string);
1449
1450         for ($i = 0; $i < $length; $i++) {
1451             $c = $string[$i];
1452
1453             // All other characters have a special meaning in at least one common shell, including = and +.
1454             // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
1455             // Note that this does permit non-Latin alphanumeric characters based on the current locale.
1456             if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
1457                 return false;
1458             }
1459         }
1460
1461         return true;
1462     }
1463
1464     /**
1465      * Send mail using the PHP mail() function.
1466      * @param string $header The message headers
1467      * @param string $body The message body
1468      * @link http://www.php.net/manual/en/book.mail.php
1469      * @throws phpmailerException
1470      * @access protected
1471      * @return boolean
1472      */
1473     protected function mailSend($header, $body)
1474     {
1475         $toArr = array();
1476         foreach ($this->to as $toaddr) {
1477             $toArr[] = $this->addrFormat($toaddr);
1478         }
1479         $to = implode(', ', $toArr);
1480
1481         $params = null;
1482         //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
1483         if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
1484             // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
1485             if (self::isShellSafe($this->Sender)) {
1486                 $params = sprintf('-f%s', $this->Sender);
1487             }
1488         }
1489         if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) {
1490             $old_from = ini_get('sendmail_from');
1491             ini_set('sendmail_from', $this->Sender);
1492         }
1493         $result = false;
1494         if ($this->SingleTo and count($toArr) > 1) {
1495             foreach ($toArr as $toAddr) {
1496                 $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
1497                 $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
1498             }
1499         } else {
1500             $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
1501             $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
1502         }
1503         if (isset($old_from)) {
1504             ini_set('sendmail_from', $old_from);
1505         }
1506         if (!$result) {
1507             throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL);
1508         }
1509         return true;
1510     }
1511
1512     /**
1513      * Get an instance to use for SMTP operations.
1514      * Override this function to load your own SMTP implementation
1515      * @return SMTP
1516      */
1517     public function getSMTPInstance()
1518     {
1519         if (!is_object($this->smtp)) {
1520             $this->smtp = new SMTP;
1521         }
1522         return $this->smtp;
1523     }
1524
1525     /**
1526      * Send mail via SMTP.
1527      * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
1528      * Uses the PHPMailerSMTP class by default.
1529      * @see PHPMailer::getSMTPInstance() to use a different class.
1530      * @param string $header The message headers
1531      * @param string $body The message body
1532      * @throws phpmailerException
1533      * @uses SMTP
1534      * @access protected
1535      * @return boolean
1536      */
1537     protected function smtpSend($header, $body)
1538     {
1539         $bad_rcpt = array();
1540         if (!$this->smtpConnect($this->SMTPOptions)) {
1541             throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
1542         }
1543         if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
1544             $smtp_from = $this->Sender;
1545         } else {
1546             $smtp_from = $this->From;
1547         }
1548         if (!$this->smtp->mail($smtp_from)) {
1549             $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
1550             throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
1551         }
1552
1553         // Attempt to send to all recipients
1554         foreach (array($this->to, $this->cc, $this->bcc) as $togroup) {
1555             foreach ($togroup as $to) {
1556                 if (!$this->smtp->recipient($to[0])) {
1557                     $error = $this->smtp->getError();
1558                     $bad_rcpt[] = array('to' => $to[0], 'error' => $error['detail']);
1559                     $isSent = false;
1560                 } else {
1561                     $isSent = true;
1562                 }
1563                 $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From);
1564             }
1565         }
1566
1567         // Only send the DATA command if we have viable recipients
1568         if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) {
1569             throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL);
1570         }
1571         if ($this->SMTPKeepAlive) {
1572             $this->smtp->reset();
1573         } else {
1574             $this->smtp->quit();
1575             $this->smtp->close();
1576         }
1577         //Create error message for any bad addresses
1578         if (count($bad_rcpt) > 0) {
1579             $errstr = '';
1580             foreach ($bad_rcpt as $bad) {
1581                 $errstr .= $bad['to'] . ': ' . $bad['error'];
1582             }
1583             throw new phpmailerException(
1584                 $this->lang('recipients_failed') . $errstr,
1585                 self::STOP_CONTINUE
1586             );
1587         }
1588         return true;
1589     }
1590
1591     /**
1592      * Initiate a connection to an SMTP server.
1593      * Returns false if the operation failed.
1594      * @param array $options An array of options compatible with stream_context_create()
1595      * @uses SMTP
1596      * @access public
1597      * @throws phpmailerException
1598      * @return boolean
1599      */
1600     public function smtpConnect($options = null)
1601     {
1602         if (is_null($this->smtp)) {
1603             $this->smtp = $this->getSMTPInstance();
1604         }
1605
1606         //If no options are provided, use whatever is set in the instance
1607         if (is_null($options)) {
1608             $options = $this->SMTPOptions;
1609         }
1610
1611         // Already connected?
1612         if ($this->smtp->connected()) {
1613             return true;
1614         }
1615
1616         $this->smtp->setTimeout($this->Timeout);
1617         $this->smtp->setDebugLevel($this->SMTPDebug);
1618         $this->smtp->setDebugOutput($this->Debugoutput);
1619         $this->smtp->setVerp($this->do_verp);
1620         $hosts = explode(';', $this->Host);
1621         $lastexception = null;
1622
1623         foreach ($hosts as $hostentry) {
1624             $hostinfo = array();
1625             if (!preg_match('/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*):?([0-9]*)$/', trim($hostentry), $hostinfo)) {
1626                 // Not a valid host entry
1627                 continue;
1628             }
1629             // $hostinfo[2]: optional ssl or tls prefix
1630             // $hostinfo[3]: the hostname
1631             // $hostinfo[4]: optional port number
1632             // The host string prefix can temporarily override the current setting for SMTPSecure
1633             // If it's not specified, the default value is used
1634             $prefix = '';
1635             $secure = $this->SMTPSecure;
1636             $tls = ($this->SMTPSecure == 'tls');
1637             if ('ssl' == $hostinfo[2] or ('' == $hostinfo[2] and 'ssl' == $this->SMTPSecure)) {
1638                 $prefix = 'ssl://';
1639                 $tls = false; // Can't have SSL and TLS at the same time
1640                 $secure = 'ssl';
1641             } elseif ($hostinfo[2] == 'tls') {
1642                 $tls = true;
1643                 // tls doesn't use a prefix
1644                 $secure = 'tls';
1645             }
1646             //Do we need the OpenSSL extension?
1647             $sslext = defined('OPENSSL_ALGO_SHA1');
1648             if ('tls' === $secure or 'ssl' === $secure) {
1649                 //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
1650                 if (!$sslext) {
1651                     throw new phpmailerException($this->lang('extension_missing').'openssl', self::STOP_CRITICAL);
1652                 }
1653             }
1654             $host = $hostinfo[3];
1655             $port = $this->Port;
1656             $tport = (integer)$hostinfo[4];
1657             if ($tport > 0 and $tport < 65536) {
1658                 $port = $tport;
1659             }
1660             if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
1661                 try {
1662                     if ($this->Helo) {
1663                         $hello = $this->Helo;
1664                     } else {
1665                         $hello = $this->serverHostname();
1666                     }
1667                     $this->smtp->hello($hello);
1668                     //Automatically enable TLS encryption if:
1669                     // * it's not disabled
1670                     // * we have openssl extension
1671                     // * we are not already using SSL
1672                     // * the server offers STARTTLS
1673                     if ($this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt('STARTTLS')) {
1674                         $tls = true;
1675                     }
1676                     if ($tls) {
1677                         if (!$this->smtp->startTLS()) {
1678                             throw new phpmailerException($this->lang('connect_host'));
1679                         }
1680                         // We must resend EHLO after TLS negotiation
1681                         $this->smtp->hello($hello);
1682                     }
1683                     if ($this->SMTPAuth) {
1684                         if (!$this->smtp->authenticate(
1685                             $this->Username,
1686                             $this->Password,
1687                             $this->AuthType,
1688                             $this->Realm,
1689                             $this->Workstation
1690                         )
1691                         ) {
1692                             throw new phpmailerException($this->lang('authenticate'));
1693                         }
1694                     }
1695                     return true;
1696                 } catch (phpmailerException $exc) {
1697                     $lastexception = $exc;
1698                     $this->edebug($exc->getMessage());
1699                     // We must have connected, but then failed TLS or Auth, so close connection nicely
1700                     $this->smtp->quit();
1701                 }
1702             }
1703         }
1704         // If we get here, all connection attempts have failed, so close connection hard
1705         $this->smtp->close();
1706         // As we've caught all exceptions, just report whatever the last one was
1707         if ($this->exceptions and !is_null($lastexception)) {
1708             throw $lastexception;
1709         }
1710         return false;
1711     }
1712
1713     /**
1714      * Close the active SMTP session if one exists.
1715      * @return void
1716      */
1717     public function smtpClose()
1718     {
1719         if (is_a($this->smtp, 'SMTP')) {
1720             if ($this->smtp->connected()) {
1721                 $this->smtp->quit();
1722                 $this->smtp->close();
1723             }
1724         }
1725     }
1726
1727     /**
1728      * Set the language for error messages.
1729      * Returns false if it cannot load the language file.
1730      * The default language is English.
1731      * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
1732      * @param string $lang_path Path to the language file directory, with trailing separator (slash)
1733      * @return boolean
1734      * @access public
1735      */
1736     public function setLanguage($langcode = 'en', $lang_path = '')
1737     {
1738         // Backwards compatibility for renamed language codes
1739         $renamed_langcodes = array(
1740             'br' => 'pt_br',
1741             'cz' => 'cs',
1742             'dk' => 'da',
1743             'no' => 'nb',
1744             'se' => 'sv',
1745         );
1746
1747         if (isset($renamed_langcodes[$langcode])) {
1748             $langcode = $renamed_langcodes[$langcode];
1749         }
1750
1751         // Define full set of translatable strings in English
1752         $PHPMAILER_LANG = array(
1753             'authenticate' => 'SMTP Error: Could not authenticate.',
1754             'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
1755             'data_not_accepted' => 'SMTP Error: data not accepted.',
1756             'empty_message' => 'Message body empty',
1757             'encoding' => 'Unknown encoding: ',
1758             'execute' => 'Could not execute: ',
1759             'file_access' => 'Could not access file: ',
1760             'file_open' => 'File Error: Could not open file: ',
1761             'from_failed' => 'The following From address failed: ',
1762             'instantiate' => 'Could not instantiate mail function.',
1763             'invalid_address' => 'Invalid address: ',
1764             'mailer_not_supported' => ' mailer is not supported.',
1765             'provide_address' => 'You must provide at least one recipient email address.',
1766             'recipients_failed' => 'SMTP Error: The following recipients failed: ',
1767             'signing' => 'Signing Error: ',
1768             'smtp_connect_failed' => 'SMTP connect() failed.',
1769             'smtp_error' => 'SMTP server error: ',
1770             'variable_set' => 'Cannot set or reset variable: ',
1771             'extension_missing' => 'Extension missing: '
1772         );
1773         if (empty($lang_path)) {
1774             // Calculate an absolute path so it can work if CWD is not here
1775             $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
1776         }
1777         //Validate $langcode
1778         if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
1779             $langcode = 'en';
1780         }
1781         $foundlang = true;
1782         $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
1783         // There is no English translation file
1784         if ($langcode != 'en') {
1785             // Make sure language file path is readable
1786             if (!is_readable($lang_file)) {
1787                 $foundlang = false;
1788             } else {
1789                 // Overwrite language-specific strings.
1790                 // This way we'll never have missing translation keys.
1791                 $foundlang = include $lang_file;
1792             }
1793         }
1794         $this->language = $PHPMAILER_LANG;
1795         return (boolean)$foundlang; // Returns false if language not found
1796     }
1797
1798     /**
1799      * Get the array of strings for the current language.
1800      * @return array
1801      */
1802     public function getTranslations()
1803     {
1804         return $this->language;
1805     }
1806
1807     /**
1808      * Create recipient headers.
1809      * @access public
1810      * @param string $type
1811      * @param array $addr An array of recipient,
1812      * where each recipient is a 2-element indexed array with element 0 containing an address
1813      * and element 1 containing a name, like:
1814      * array(array('joe@example.com', 'Joe User'), array('zoe@example.com', 'Zoe User'))
1815      * @return string
1816      */
1817     public function addrAppend($type, $addr)
1818     {
1819         $addresses = array();
1820         foreach ($addr as $address) {
1821             $addresses[] = $this->addrFormat($address);
1822         }
1823         return $type . ': ' . implode(', ', $addresses) . $this->LE;
1824     }
1825
1826     /**
1827      * Format an address for use in a message header.
1828      * @access public
1829      * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
1830      *      like array('joe@example.com', 'Joe User')
1831      * @return string
1832      */
1833     public function addrFormat($addr)
1834     {
1835         if (empty($addr[1])) { // No name provided
1836             return $this->secureHeader($addr[0]);
1837         } else {
1838             return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader(
1839                 $addr[0]
1840             ) . '>';
1841         }
1842     }
1843
1844     /**
1845      * Word-wrap message.
1846      * For use with mailers that do not automatically perform wrapping
1847      * and for quoted-printable encoded messages.
1848      * Original written by philippe.
1849      * @param string $message The message to wrap
1850      * @param integer $length The line length to wrap to
1851      * @param boolean $qp_mode Whether to run in Quoted-Printable mode
1852      * @access public
1853      * @return string
1854      */
1855     public function wrapText($message, $length, $qp_mode = false)
1856     {
1857         if ($qp_mode) {
1858             $soft_break = sprintf(' =%s', $this->LE);
1859         } else {
1860             $soft_break = $this->LE;
1861         }
1862         // If utf-8 encoding is used, we will need to make sure we don't
1863         // split multibyte characters when we wrap
1864         $is_utf8 = (strtolower($this->CharSet) == 'utf-8');
1865         $lelen = strlen($this->LE);
1866         $crlflen = strlen(self::CRLF);
1867
1868         $message = $this->fixEOL($message);
1869         //Remove a trailing line break
1870         if (substr($message, -$lelen) == $this->LE) {
1871             $message = substr($message, 0, -$lelen);
1872         }
1873
1874         //Split message into lines
1875         $lines = explode($this->LE, $message);
1876         //Message will be rebuilt in here
1877         $message = '';
1878         foreach ($lines as $line) {
1879             $words = explode(' ', $line);
1880             $buf = '';
1881             $firstword = true;
1882             foreach ($words as $word) {
1883                 if ($qp_mode and (strlen($word) > $length)) {
1884                     $space_left = $length - strlen($buf) - $crlflen;
1885                     if (!$firstword) {
1886                         if ($space_left > 20) {
1887                             $len = $space_left;
1888                             if ($is_utf8) {
1889                                 $len = $this->utf8CharBoundary($word, $len);
1890                             } elseif (substr($word, $len - 1, 1) == '=') {
1891                                 $len--;
1892                             } elseif (substr($word, $len - 2, 1) == '=') {
1893                                 $len -= 2;
1894                             }
1895                             $part = substr($word, 0, $len);
1896                             $word = substr($word, $len);
1897                             $buf .= ' ' . $part;
1898                             $message .= $buf . sprintf('=%s', self::CRLF);
1899                         } else {
1900                             $message .= $buf . $soft_break;
1901                         }
1902                         $buf = '';
1903                     }
1904                     while (strlen($word) > 0) {
1905                         if ($length <= 0) {
1906                             break;
1907                         }
1908                         $len = $length;
1909                         if ($is_utf8) {
1910                             $len = $this->utf8CharBoundary($word, $len);
1911                         } elseif (substr($word, $len - 1, 1) == '=') {
1912                             $len--;
1913                         } elseif (substr($word, $len - 2, 1) == '=') {
1914                             $len -= 2;
1915                         }
1916                         $part = substr($word, 0, $len);
1917                         $word = substr($word, $len);
1918
1919                         if (strlen($word) > 0) {
1920                             $message .= $part . sprintf('=%s', self::CRLF);
1921                         } else {
1922                             $buf = $part;
1923                         }
1924                     }
1925                 } else {
1926                     $buf_o = $buf;
1927                     if (!$firstword) {
1928                         $buf .= ' ';
1929                     }
1930                     $buf .= $word;
1931
1932                     if (strlen($buf) > $length and $buf_o != '') {
1933                         $message .= $buf_o . $soft_break;
1934                         $buf = $word;
1935                     }
1936                 }
1937                 $firstword = false;
1938             }
1939             $message .= $buf . self::CRLF;
1940         }
1941
1942         return $message;
1943     }
1944
1945     /**
1946      * Find the last character boundary prior to $maxLength in a utf-8
1947      * quoted-printable encoded string.
1948      * Original written by Colin Brown.
1949      * @access public
1950      * @param string $encodedText utf-8 QP text
1951      * @param integer $maxLength Find the last character boundary prior to this length
1952      * @return integer
1953      */
1954     public function utf8CharBoundary($encodedText, $maxLength)
1955     {
1956         $foundSplitPos = false;
1957         $lookBack = 3;
1958         while (!$foundSplitPos) {
1959             $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
1960             $encodedCharPos = strpos($lastChunk, '=');
1961             if (false !== $encodedCharPos) {
1962                 // Found start of encoded character byte within $lookBack block.
1963                 // Check the encoded byte value (the 2 chars after the '=')
1964                 $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
1965                 $dec = hexdec($hex);
1966                 if ($dec < 128) {
1967                     // Single byte character.
1968                     // If the encoded char was found at pos 0, it will fit
1969                     // otherwise reduce maxLength to start of the encoded char
1970                     if ($encodedCharPos > 0) {
1971                         $maxLength = $maxLength - ($lookBack - $encodedCharPos);
1972                     }
1973                     $foundSplitPos = true;
1974                 } elseif ($dec >= 192) {
1975                     // First byte of a multi byte character
1976                     // Reduce maxLength to split at start of character
1977                     $maxLength = $maxLength - ($lookBack - $encodedCharPos);
1978                     $foundSplitPos = true;
1979                 } elseif ($dec < 192) {
1980                     // Middle byte of a multi byte character, look further back
1981                     $lookBack += 3;
1982                 }
1983             } else {
1984                 // No encoded character found
1985                 $foundSplitPos = true;
1986             }
1987         }
1988         return $maxLength;
1989     }
1990
1991     /**
1992      * Apply word wrapping to the message body.
1993      * Wraps the message body to the number of chars set in the WordWrap property.
1994      * You should only do this to plain-text bodies as wrapping HTML tags may break them.
1995      * This is called automatically by createBody(), so you don't need to call it yourself.
1996      * @access public
1997      * @return void
1998      */
1999     public function setWordWrap()
2000     {
2001         if ($this->WordWrap < 1) {
2002             return;
2003         }
2004
2005         switch ($this->message_type) {
2006             case 'alt':
2007             case 'alt_inline':
2008             case 'alt_attach':
2009             case 'alt_inline_attach':
2010                 $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
2011                 break;
2012             default:
2013                 $this->Body = $this->wrapText($this->Body, $this->WordWrap);
2014                 break;
2015         }
2016     }
2017
2018     /**
2019      * Assemble message headers.
2020      * @access public
2021      * @return string The assembled headers
2022      */
2023     public function createHeader()
2024     {
2025         $result = '';
2026
2027         if ($this->MessageDate == '') {
2028             $this->MessageDate = self::rfcDate();
2029         }
2030         $result .= $this->headerLine('Date', $this->MessageDate);
2031
2032         // To be created automatically by mail()
2033         if ($this->SingleTo) {
2034             if ($this->Mailer != 'mail') {
2035                 foreach ($this->to as $toaddr) {
2036                     $this->SingleToArray[] = $this->addrFormat($toaddr);
2037                 }
2038             }
2039         } else {
2040             if (count($this->to) > 0) {
2041                 if ($this->Mailer != 'mail') {
2042                     $result .= $this->addrAppend('To', $this->to);
2043                 }
2044             } elseif (count($this->cc) == 0) {
2045                 $result .= $this->headerLine('To', 'undisclosed-recipients:;');
2046             }
2047         }
2048
2049         $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName)));
2050
2051         // sendmail and mail() extract Cc from the header before sending
2052         if (count($this->cc) > 0) {
2053             $result .= $this->addrAppend('Cc', $this->cc);
2054         }
2055
2056         // sendmail and mail() extract Bcc from the header before sending
2057         if ((
2058                 $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
2059             )
2060             and count($this->bcc) > 0
2061         ) {
2062             $result .= $this->addrAppend('Bcc', $this->bcc);
2063         }
2064
2065         if (count($this->ReplyTo) > 0) {
2066             $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
2067         }
2068
2069         // mail() sets the subject itself
2070         if ($this->Mailer != 'mail') {
2071             $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
2072         }
2073
2074         // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
2075         // https://tools.ietf.org/html/rfc5322#section-3.6.4
2076         if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) {
2077             $this->lastMessageID = $this->MessageID;
2078         } else {
2079             $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
2080         }
2081         $result .= $this->headerLine('Message-ID', $this->lastMessageID);
2082         if (!is_null($this->Priority)) {
2083             $result .= $this->headerLine('X-Priority', $this->Priority);
2084         }
2085         if ($this->XMailer == '') {
2086             $result .= $this->headerLine(
2087                 'X-Mailer',
2088                 'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)'
2089             );
2090         } else {
2091             $myXmailer = trim($this->XMailer);
2092             if ($myXmailer) {
2093                 $result .= $this->headerLine('X-Mailer', $myXmailer);
2094             }
2095         }
2096
2097         if ($this->ConfirmReadingTo != '') {
2098             $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>');
2099         }
2100
2101         // Add custom headers
2102         foreach ($this->CustomHeader as $header) {
2103             $result .= $this->headerLine(
2104                 trim($header[0]),
2105                 $this->encodeHeader(trim($header[1]))
2106             );
2107         }
2108         if (!$this->sign_key_file) {
2109             $result .= $this->headerLine('MIME-Version', '1.0');
2110             $result .= $this->getMailMIME();
2111         }
2112
2113         return $result;
2114     }
2115
2116     /**
2117      * Get the message MIME type headers.
2118      * @access public
2119      * @return string
2120      */
2121     public function getMailMIME()
2122     {
2123         $result = '';
2124         $ismultipart = true;
2125         switch ($this->message_type) {
2126             case 'inline':
2127                 $result .= $this->headerLine('Content-Type', 'multipart/related;');
2128                 $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
2129                 break;
2130             case 'attach':
2131             case 'inline_attach':
2132             case 'alt_attach':
2133             case 'alt_inline_attach':
2134                 $result .= $this->headerLine('Content-Type', 'multipart/mixed;');
2135                 $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
2136                 break;
2137             case 'alt':
2138             case 'alt_inline':
2139                 $result .= $this->headerLine('Content-Type', 'multipart/alternative;');
2140                 $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
2141                 break;
2142             default:
2143                 // Catches case 'plain': and case '':
2144                 $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
2145                 $ismultipart = false;
2146                 break;
2147         }
2148         // RFC1341 part 5 says 7bit is assumed if not specified
2149         if ($this->Encoding != '7bit') {
2150             // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
2151             if ($ismultipart) {
2152                 if ($this->Encoding == '8bit') {
2153                     $result .= $this->headerLine('Content-Transfer-Encoding', '8bit');
2154                 }
2155                 // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
2156             } else {
2157                 $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
2158             }
2159         }
2160
2161         if ($this->Mailer != 'mail') {
2162             $result .= $this->LE;
2163         }
2164
2165         return $result;
2166     }
2167
2168     /**
2169      * Returns the whole MIME message.
2170      * Includes complete headers and body.
2171      * Only valid post preSend().
2172      * @see PHPMailer::preSend()
2173      * @access public
2174      * @return string
2175      */
2176     public function getSentMIMEMessage()
2177     {
2178         return rtrim($this->MIMEHeader . $this->mailHeader, "\n\r") . self::CRLF . self::CRLF . $this->MIMEBody;
2179     }
2180
2181     /**
2182      * Create unique ID
2183      * @return string
2184      */
2185     protected function generateId() {
2186         return md5(uniqid(time()));
2187     }
2188
2189     /**
2190      * Assemble the message body.
2191      * Returns an empty string on failure.
2192      * @access public
2193      * @throws phpmailerException
2194      * @return string The assembled message body
2195      */
2196     public function createBody()
2197     {
2198         $body = '';
2199         //Create unique IDs and preset boundaries
2200         $this->uniqueid = $this->generateId();
2201         $this->boundary[1] = 'b1_' . $this->uniqueid;
2202         $this->boundary[2] = 'b2_' . $this->uniqueid;
2203         $this->boundary[3] = 'b3_' . $this->uniqueid;
2204
2205         if ($this->sign_key_file) {
2206             $body .= $this->getMailMIME() . $this->LE;
2207         }
2208
2209         $this->setWordWrap();
2210
2211         $bodyEncoding = $this->Encoding;
2212         $bodyCharSet = $this->CharSet;
2213         //Can we do a 7-bit downgrade?
2214         if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
2215             $bodyEncoding = '7bit';
2216             //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
2217             $bodyCharSet = 'us-ascii';
2218         }
2219         //If lines are too long, and we're not already using an encoding that will shorten them,
2220         //change to quoted-printable transfer encoding for the body part only
2221         if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) {
2222             $bodyEncoding = 'quoted-printable';
2223         }
2224
2225         $altBodyEncoding = $this->Encoding;
2226         $altBodyCharSet = $this->CharSet;
2227         //Can we do a 7-bit downgrade?
2228         if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
2229             $altBodyEncoding = '7bit';
2230             //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
2231             $altBodyCharSet = 'us-ascii';
2232         }
2233         //If lines are too long, and we're not already using an encoding that will shorten them,
2234         //change to quoted-printable transfer encoding for the alt body part only
2235         if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) {
2236             $altBodyEncoding = 'quoted-printable';
2237         }
2238         //Use this as a preamble in all multipart message types
2239         $mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE;
2240         switch ($this->message_type) {
2241             case 'inline':
2242                 $body .= $mimepre;
2243                 $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
2244                 $body .= $this->encodeString($this->Body, $bodyEncoding);
2245                 $body .= $this->LE . $this->LE;
2246                 $body .= $this->attachAll('inline', $this->boundary[1]);
2247                 break;
2248             case 'attach':
2249                 $body .= $mimepre;
2250                 $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
2251                 $body .= $this->encodeString($this->Body, $bodyEncoding);
2252                 $body .= $this->LE . $this->LE;
2253                 $body .= $this->attachAll('attachment', $this->boundary[1]);
2254                 break;
2255             case 'inline_attach':
2256                 $body .= $mimepre;
2257                 $body .= $this->textLine('--' . $this->boundary[1]);
2258                 $body .= $this->headerLine('Content-Type', 'multipart/related;');
2259                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
2260                 $body .= $this->LE;
2261                 $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
2262                 $body .= $this->encodeString($this->Body, $bodyEncoding);
2263                 $body .= $this->LE . $this->LE;
2264                 $body .= $this->attachAll('inline', $this->boundary[2]);
2265                 $body .= $this->LE;
2266                 $body .= $this->attachAll('attachment', $this->boundary[1]);
2267                 break;
2268             case 'alt':
2269                 $body .= $mimepre;
2270                 $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
2271                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
2272                 $body .= $this->LE . $this->LE;
2273                 $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding);
2274                 $body .= $this->encodeString($this->Body, $bodyEncoding);
2275                 $body .= $this->LE . $this->LE;
2276                 if (!empty($this->Ical)) {
2277                     $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
2278                     $body .= $this->encodeString($this->Ical, $this->Encoding);
2279                     $body .= $this->LE . $this->LE;
2280                 }
2281                 $body .= $this->endBoundary($this->boundary[1]);
2282                 break;
2283             case 'alt_inline':
2284                 $body .= $mimepre;
2285                 $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
2286                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
2287                 $body .= $this->LE . $this->LE;
2288                 $body .= $this->textLine('--' . $this->boundary[1]);
2289                 $body .= $this->headerLine('Content-Type', 'multipart/related;');
2290                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
2291                 $body .= $this->LE;
2292                 $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
2293                 $body .= $this->encodeString($this->Body, $bodyEncoding);
2294                 $body .= $this->LE . $this->LE;
2295                 $body .= $this->attachAll('inline', $this->boundary[2]);
2296                 $body .= $this->LE;
2297                 $body .= $this->endBoundary($this->boundary[1]);
2298                 break;
2299             case 'alt_attach':
2300                 $body .= $mimepre;
2301                 $body .= $this->textLine('--' . $this->boundary[1]);
2302                 $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
2303                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
2304                 $body .= $this->LE;
2305                 $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
2306                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
2307                 $body .= $this->LE . $this->LE;
2308                 $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
2309                 $body .= $this->encodeString($this->Body, $bodyEncoding);
2310                 $body .= $this->LE . $this->LE;
2311                 $body .= $this->endBoundary($this->boundary[2]);
2312                 $body .= $this->LE;
2313                 $body .= $this->attachAll('attachment', $this->boundary[1]);
2314                 break;
2315             case 'alt_inline_attach':
2316                 $body .= $mimepre;
2317                 $body .= $this->textLine('--' . $this->boundary[1]);
2318                 $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
2319                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
2320                 $body .= $this->LE;
2321                 $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
2322                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
2323                 $body .= $this->LE . $this->LE;
2324                 $body .= $this->textLine('--' . $this->boundary[2]);
2325                 $body .= $this->headerLine('Content-Type', 'multipart/related;');
2326                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"');
2327                 $body .= $this->LE;
2328                 $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding);
2329                 $body .= $this->encodeString($this->Body, $bodyEncoding);
2330                 $body .= $this->LE . $this->LE;
2331                 $body .= $this->attachAll('inline', $this->boundary[3]);
2332                 $body .= $this->LE;
2333                 $body .= $this->endBoundary($this->boundary[2]);
2334                 $body .= $this->LE;
2335                 $body .= $this->attachAll('attachment', $this->boundary[1]);
2336                 break;
2337             default:
2338                 // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
2339                 //Reset the `Encoding` property in case we changed it for line length reasons
2340                 $this->Encoding = $bodyEncoding;
2341                 $body .= $this->encodeString($this->Body, $this->Encoding);
2342                 break;
2343         }
2344
2345         if ($this->isError()) {
2346             $body = '';
2347         } elseif ($this->sign_key_file) {
2348             try {
2349                 if (!defined('PKCS7_TEXT')) {
2350                     throw new phpmailerException($this->lang('extension_missing') . 'openssl');
2351                 }
2352                 // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1
2353                 $file = tempnam(sys_get_temp_dir(), 'mail');
2354                 if (false === file_put_contents($file, $body)) {
2355                     throw new phpmailerException($this->lang('signing') . ' Could not write temp file');
2356                 }
2357                 $signed = tempnam(sys_get_temp_dir(), 'signed');
2358                 //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
2359                 if (empty($this->sign_extracerts_file)) {
2360                     $sign = @openssl_pkcs7_sign(
2361                         $file,
2362                         $signed,
2363                         'file://' . realpath($this->sign_cert_file),
2364                         array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
2365                         null
2366                     );
2367                 } else {
2368                     $sign = @openssl_pkcs7_sign(
2369                         $file,
2370                         $signed,
2371                         'file://' . realpath($this->sign_cert_file),
2372                         array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
2373                         null,
2374                         PKCS7_DETACHED,
2375                         $this->sign_extracerts_file
2376                     );
2377                 }
2378                 if ($sign) {
2379                     @unlink($file);
2380                     $body = file_get_contents($signed);
2381                     @unlink($signed);
2382                     //The message returned by openssl contains both headers and body, so need to split them up
2383                     $parts = explode("\n\n", $body, 2);
2384                     $this->MIMEHeader .= $parts[0] . $this->LE . $this->LE;
2385                     $body = $parts[1];
2386                 } else {
2387                     @unlink($file);
2388                     @unlink($signed);
2389                     throw new phpmailerException($this->lang('signing') . openssl_error_string());
2390                 }
2391             } catch (phpmailerException $exc) {
2392                 $body = '';
2393                 if ($this->exceptions) {
2394                     throw $exc;
2395                 }
2396             }
2397         }
2398         return $body;
2399     }
2400
2401     /**
2402      * Return the start of a message boundary.
2403      * @access protected
2404      * @param string $boundary
2405      * @param string $charSet
2406      * @param string $contentType
2407      * @param string $encoding
2408      * @return string
2409      */
2410     protected function getBoundary($boundary, $charSet, $contentType, $encoding)
2411     {
2412         $result = '';
2413         if ($charSet == '') {
2414             $charSet = $this->CharSet;
2415         }
2416         if ($contentType == '') {
2417             $contentType = $this->ContentType;
2418         }
2419         if ($encoding == '') {
2420             $encoding = $this->Encoding;
2421         }
2422         $result .= $this->textLine('--' . $boundary);
2423         $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
2424         $result .= $this->LE;
2425         // RFC1341 part 5 says 7bit is assumed if not specified
2426         if ($encoding != '7bit') {
2427             $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
2428         }
2429         $result .= $this->LE;
2430
2431         return $result;
2432     }
2433
2434     /**
2435      * Return the end of a message boundary.
2436      * @access protected
2437      * @param string $boundary
2438      * @return string
2439      */
2440     protected function endBoundary($boundary)
2441     {
2442         return $this->LE . '--' . $boundary . '--' . $this->LE;
2443     }
2444
2445     /**
2446      * Set the message type.
2447      * PHPMailer only supports some preset message types, not arbitrary MIME structures.
2448      * @access protected
2449      * @return void
2450      */
2451     protected function setMessageType()
2452     {
2453         $type = array();
2454         if ($this->alternativeExists()) {
2455             $type[] = 'alt';
2456         }
2457         if ($this->inlineImageExists()) {
2458             $type[] = 'inline';
2459         }
2460         if ($this->attachmentExists()) {
2461             $type[] = 'attach';
2462         }
2463         $this->message_type = implode('_', $type);
2464         if ($this->message_type == '') {
2465             //The 'plain' message_type refers to the message having a single body element, not that it is plain-text
2466             $this->message_type = 'plain';
2467         }
2468     }
2469
2470     /**
2471      * Format a header line.
2472      * @access public
2473      * @param string $name
2474      * @param string $value
2475      * @return string
2476      */
2477     public function headerLine($name, $value)
2478     {
2479         return $name . ': ' . $value . $this->LE;
2480     }
2481
2482     /**
2483      * Return a formatted mail line.
2484      * @access public
2485      * @param string $value
2486      * @return string
2487      */
2488     public function textLine($value)
2489     {
2490         return $value . $this->LE;
2491     }
2492
2493     /**
2494      * Add an attachment from a path on the filesystem.
2495      * Returns false if the file could not be found or read.
2496      * @param string $path Path to the attachment.
2497      * @param string $name Overrides the attachment name.
2498      * @param string $encoding File encoding (see $Encoding).
2499      * @param string $type File extension (MIME) type.
2500      * @param string $disposition Disposition to use
2501      * @throws phpmailerException
2502      * @return boolean
2503      */
2504     public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment')
2505     {
2506         try {
2507             if (!@is_file($path)) {
2508                 throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE);
2509             }
2510
2511             // If a MIME type is not specified, try to work it out from the file name
2512             if ($type == '') {
2513                 $type = self::filenameToType($path);
2514             }
2515
2516             $filename = basename($path);
2517             if ($name == '') {
2518                 $name = $filename;
2519             }
2520
2521             $this->attachment[] = array(
2522                 0 => $path,
2523                 1 => $filename,
2524                 2 => $name,
2525                 3 => $encoding,
2526                 4 => $type,
2527                 5 => false, // isStringAttachment
2528                 6 => $disposition,
2529                 7 => 0
2530             );
2531
2532         } catch (phpmailerException $exc) {
2533             $this->setError($exc->getMessage());
2534             $this->edebug($exc->getMessage());
2535             if ($this->exceptions) {
2536                 throw $exc;
2537             }
2538             return false;
2539         }
2540         return true;
2541     }
2542
2543     /**
2544      * Return the array of attachments.
2545      * @return array
2546      */
2547     public function getAttachments()
2548     {
2549         return $this->attachment;
2550     }
2551
2552     /**
2553      * Attach all file, string, and binary attachments to the message.
2554      * Returns an empty string on failure.
2555      * @access protected
2556      * @param string $disposition_type
2557      * @param string $boundary
2558      * @return string
2559      */
2560     protected function attachAll($disposition_type, $boundary)
2561     {
2562         // Return text of body
2563         $mime = array();
2564         $cidUniq = array();
2565         $incl = array();
2566
2567         // Add all attachments
2568         foreach ($this->attachment as $attachment) {
2569             // Check if it is a valid disposition_filter
2570             if ($attachment[6] == $disposition_type) {
2571                 // Check for string attachment
2572                 $string = '';
2573                 $path = '';
2574                 $bString = $attachment[5];
2575                 if ($bString) {
2576                     $string = $attachment[0];
2577                 } else {
2578                     $path = $attachment[0];
2579                 }
2580
2581                 $inclhash = md5(serialize($attachment));
2582                 if (in_array($inclhash, $incl)) {
2583                     continue;
2584                 }
2585                 $incl[] = $inclhash;
2586                 $name = $attachment[2];
2587                 $encoding = $attachment[3];
2588                 $type = $attachment[4];
2589                 $disposition = $attachment[6];
2590                 $cid = $attachment[7];
2591                 if ($disposition == 'inline' && array_key_exists($cid, $cidUniq)) {
2592                     continue;
2593                 }
2594                 $cidUniq[$cid] = true;
2595
2596                 $mime[] = sprintf('--%s%s', $boundary, $this->LE);
2597                 //Only include a filename property if we have one
2598                 if (!empty($name)) {
2599                     $mime[] = sprintf(
2600                         'Content-Type: %s; name="%s"%s',
2601                         $type,
2602                         $this->encodeHeader($this->secureHeader($name)),
2603                         $this->LE
2604                     );
2605                 } else {
2606                     $mime[] = sprintf(
2607                         'Content-Type: %s%s',
2608                         $type,
2609                         $this->LE
2610                     );
2611                 }
2612                 // RFC1341 part 5 says 7bit is assumed if not specified
2613                 if ($encoding != '7bit') {
2614                     $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE);
2615                 }
2616
2617                 if ($disposition == 'inline') {
2618                     $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE);
2619                 }
2620
2621                 // If a filename contains any of these chars, it should be quoted,
2622                 // but not otherwise: RFC2183 & RFC2045 5.1
2623                 // Fixes a warning in IETF's msglint MIME checker
2624                 // Allow for bypassing the Content-Disposition header totally
2625                 if (!(empty($disposition))) {
2626                     $encoded_name = $this->encodeHeader($this->secureHeader($name));
2627                     if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name)) {
2628                         $mime[] = sprintf(
2629                             'Content-Disposition: %s; filename="%s"%s',
2630                             $disposition,
2631                             $encoded_name,
2632                             $this->LE . $this->LE
2633                         );
2634                     } else {
2635                         if (!empty($encoded_name)) {
2636                             $mime[] = sprintf(
2637                                 'Content-Disposition: %s; filename=%s%s',
2638                                 $disposition,
2639                                 $encoded_name,
2640                                 $this->LE . $this->LE
2641                             );
2642                         } else {
2643                             $mime[] = sprintf(
2644                                 'Content-Disposition: %s%s',
2645                                 $disposition,
2646                                 $this->LE . $this->LE
2647                             );
2648                         }
2649                     }
2650                 } else {
2651                     $mime[] = $this->LE;
2652                 }
2653
2654                 // Encode as string attachment
2655                 if ($bString) {
2656                     $mime[] = $this->encodeString($string, $encoding);
2657                     if ($this->isError()) {
2658                         return '';
2659                     }
2660                     $mime[] = $this->LE . $this->LE;
2661                 } else {
2662                     $mime[] = $this->encodeFile($path, $encoding);
2663                     if ($this->isError()) {
2664                         return '';
2665                     }
2666                     $mime[] = $this->LE . $this->LE;
2667                 }
2668             }
2669         }
2670
2671         $mime[] = sprintf('--%s--%s', $boundary, $this->LE);
2672
2673         return implode('', $mime);
2674     }
2675
2676     /**
2677      * Encode a file attachment in requested format.
2678      * Returns an empty string on failure.
2679      * @param string $path The full path to the file
2680      * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
2681      * @throws phpmailerException
2682      * @access protected
2683      * @return string
2684      */
2685     protected function encodeFile($path, $encoding = 'base64')
2686     {
2687         try {
2688             if (!is_readable($path)) {
2689                 throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
2690             }
2691             $magic_quotes = get_magic_quotes_runtime();
2692             if ($magic_quotes) {
2693                 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
2694                     set_magic_quotes_runtime(false);
2695                 } else {
2696                     //Doesn't exist in PHP 5.4, but we don't need to check because
2697                     //get_magic_quotes_runtime always returns false in 5.4+
2698                     //so it will never get here
2699                     ini_set('magic_quotes_runtime', false);
2700                 }
2701             }
2702             $file_buffer = file_get_contents($path);
2703             $file_buffer = $this->encodeString($file_buffer, $encoding);
2704             if ($magic_quotes) {
2705                 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
2706                     set_magic_quotes_runtime($magic_quotes);
2707                 } else {
2708                     ini_set('magic_quotes_runtime', $magic_quotes);
2709                 }
2710             }
2711             return $file_buffer;
2712         } catch (Exception $exc) {
2713             $this->setError($exc->getMessage());
2714             return '';
2715         }
2716     }
2717
2718     /**
2719      * Encode a string in requested format.
2720      * Returns an empty string on failure.
2721      * @param string $str The text to encode
2722      * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
2723      * @access public
2724      * @return string
2725      */
2726     public function encodeString($str, $encoding = 'base64')
2727     {
2728         $encoded = '';
2729         switch (strtolower($encoding)) {
2730             case 'base64':
2731                 $encoded = chunk_split(base64_encode($str), 76, $this->LE);
2732                 break;
2733             case '7bit':
2734             case '8bit':
2735                 $encoded = $this->fixEOL($str);
2736                 // Make sure it ends with a line break
2737                 if (substr($encoded, -(strlen($this->LE))) != $this->LE) {
2738                     $encoded .= $this->LE;
2739                 }
2740                 break;
2741             case 'binary':
2742                 $encoded = $str;
2743                 break;
2744             case 'quoted-printable':
2745                 $encoded = $this->encodeQP($str);
2746                 break;
2747             default:
2748                 $this->setError($this->lang('encoding') . $encoding);
2749                 break;
2750         }
2751         return $encoded;
2752     }
2753
2754     /**
2755      * Encode a header string optimally.
2756      * Picks shortest of Q, B, quoted-printable or none.
2757      * @access public
2758      * @param string $str
2759      * @param string $position
2760      * @return string
2761      */
2762     public function encodeHeader($str, $position = 'text')
2763     {
2764         $matchcount = 0;
2765         switch (strtolower($position)) {
2766             case 'phrase':
2767                 if (!preg_match('/[\200-\377]/', $str)) {
2768                     // Can't use addslashes as we don't know the value of magic_quotes_sybase
2769                     $encoded = addcslashes($str, "\0..\37\177\\\"");
2770                     if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
2771                         return ($encoded);
2772                     } else {
2773                         return ("\"$encoded\"");
2774                     }
2775                 }
2776                 $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
2777                 break;
2778             /** @noinspection PhpMissingBreakStatementInspection */
2779             case 'comment':
2780                 $matchcount = preg_match_all('/[()"]/', $str, $matches);
2781                 // Intentional fall-through
2782             case 'text':
2783             default:
2784                 $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
2785                 break;
2786         }
2787
2788         //There are no chars that need encoding
2789         if ($matchcount == 0) {
2790             return ($str);
2791         }
2792
2793         $maxlen = 75 - 7 - strlen($this->CharSet);
2794         // Try to select the encoding which should produce the shortest output
2795         if ($matchcount > strlen($str) / 3) {
2796             // More than a third of the content will need encoding, so B encoding will be most efficient
2797             $encoding = 'B';
2798             if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) {
2799                 // Use a custom function which correctly encodes and wraps long
2800                 // multibyte strings without breaking lines within a character
2801                 $encoded = $this->base64EncodeWrapMB($str, "\n");
2802             } else {
2803                 $encoded = base64_encode($str);
2804                 $maxlen -= $maxlen % 4;
2805                 $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
2806             }
2807         } else {
2808             $encoding = 'Q';
2809             $encoded = $this->encodeQ($str, $position);
2810             $encoded = $this->wrapText($encoded, $maxlen, true);
2811             $encoded = str_replace('=' . self::CRLF, "\n", trim($encoded));
2812         }
2813
2814         $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded);
2815         $encoded = trim(str_replace("\n", $this->LE, $encoded));
2816
2817         return $encoded;
2818     }
2819
2820     /**
2821      * Check if a string contains multi-byte characters.
2822      * @access public
2823      * @param string $str multi-byte text to wrap encode
2824      * @return boolean
2825      */
2826     public function hasMultiBytes($str)
2827     {
2828         if (function_exists('mb_strlen')) {
2829             return (strlen($str) > mb_strlen($str, $this->CharSet));
2830         } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
2831             return false;
2832         }
2833     }
2834
2835     /**
2836      * Does a string contain any 8-bit chars (in any charset)?
2837      * @param string $text
2838      * @return boolean
2839      */
2840     public function has8bitChars($text)
2841     {
2842         return (boolean)preg_match('/[\x80-\xFF]/', $text);
2843     }
2844
2845     /**
2846      * Encode and wrap long multibyte strings for mail headers
2847      * without breaking lines within a character.
2848      * Adapted from a function by paravoid
2849      * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
2850      * @access public
2851      * @param string $str multi-byte text to wrap encode
2852      * @param string $linebreak string to use as linefeed/end-of-line
2853      * @return string
2854      */
2855     public function base64EncodeWrapMB($str, $linebreak = null)
2856     {
2857         $start = '=?' . $this->CharSet . '?B?';
2858         $end = '?=';
2859         $encoded = '';
2860         if ($linebreak === null) {
2861             $linebreak = $this->LE;
2862         }
2863
2864         $mb_length = mb_strlen($str, $this->CharSet);
2865         // Each line must have length <= 75, including $start and $end
2866         $length = 75 - strlen($start) - strlen($end);
2867         // Average multi-byte ratio
2868         $ratio = $mb_length / strlen($str);
2869         // Base64 has a 4:3 ratio
2870         $avgLength = floor($length * $ratio * .75);
2871
2872         for ($i = 0; $i < $mb_length; $i += $offset) {
2873             $lookBack = 0;
2874             do {
2875                 $offset = $avgLength - $lookBack;
2876                 $chunk = mb_substr($str, $i, $offset, $this->CharSet);
2877                 $chunk = base64_encode($chunk);
2878                 $lookBack++;
2879             } while (strlen($chunk) > $length);
2880             $encoded .= $chunk . $linebreak;
2881         }
2882
2883         // Chomp the last linefeed
2884         $encoded = substr($encoded, 0, -strlen($linebreak));
2885         return $encoded;
2886     }
2887
2888     /**
2889      * Encode a string in quoted-printable format.
2890      * According to RFC2045 section 6.7.
2891      * @access public
2892      * @param string $string The text to encode
2893      * @param integer $line_max Number of chars allowed on a line before wrapping
2894      * @return string
2895      * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
2896      */
2897     public function encodeQP($string, $line_max = 76)
2898     {
2899         // Use native function if it's available (>= PHP5.3)
2900         if (function_exists('quoted_printable_encode')) {
2901             return quoted_printable_encode($string);
2902         }
2903         // Fall back to a pure PHP implementation
2904         $string = str_replace(
2905             array('%20', '%0D%0A.', '%0D%0A', '%'),
2906             array(' ', "\r\n=2E", "\r\n", '='),
2907             rawurlencode($string)
2908         );
2909         return preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);
2910     }
2911
2912     /**
2913      * Backward compatibility wrapper for an old QP encoding function that was removed.
2914      * @see PHPMailer::encodeQP()
2915      * @access public
2916      * @param string $string
2917      * @param integer $line_max
2918      * @param boolean $space_conv
2919      * @return string
2920      * @deprecated Use encodeQP instead.
2921      */
2922     public function encodeQPphp(
2923         $string,
2924         $line_max = 76,
2925         /** @noinspection PhpUnusedParameterInspection */ $space_conv = false
2926     ) {
2927         return $this->encodeQP($string, $line_max);
2928     }
2929
2930     /**
2931      * Encode a string using Q encoding.
2932      * @link http://tools.ietf.org/html/rfc2047
2933      * @param string $str the text to encode
2934      * @param string $position Where the text is going to be used, see the RFC for what that means
2935      * @access public
2936      * @return string
2937      */
2938     public function encodeQ($str, $position = 'text')
2939     {
2940         // There should not be any EOL in the string
2941         $pattern = '';
2942         $encoded = str_replace(array("\r", "\n"), '', $str);
2943         switch (strtolower($position)) {
2944             case 'phrase':
2945                 // RFC 2047 section 5.3
2946                 $pattern = '^A-Za-z0-9!*+\/ -';
2947                 break;
2948             /** @noinspection PhpMissingBreakStatementInspection */
2949             case 'comment':
2950                 // RFC 2047 section 5.2
2951                 $pattern = '\(\)"';
2952                 // intentional fall-through
2953                 // for this reason we build the $pattern without including delimiters and []
2954             case 'text':
2955             default:
2956                 // RFC 2047 section 5.1
2957                 // Replace every high ascii, control, =, ? and _ characters
2958                 $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
2959                 break;
2960         }
2961         $matches = array();
2962         if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
2963             // If the string contains an '=', make sure it's the first thing we replace
2964             // so as to avoid double-encoding
2965             $eqkey = array_search('=', $matches[0]);
2966             if (false !== $eqkey) {
2967                 unset($matches[0][$eqkey]);
2968                 array_unshift($matches[0], '=');
2969             }
2970             foreach (array_unique($matches[0]) as $char) {
2971                 $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
2972             }
2973         }
2974         // Replace every spaces to _ (more readable than =20)
2975         return str_replace(' ', '_', $encoded);
2976     }
2977
2978     /**
2979      * Add a string or binary attachment (non-filesystem).
2980      * This method can be used to attach ascii or binary data,
2981      * such as a BLOB record from a database.
2982      * @param string $string String attachment data.
2983      * @param string $filename Name of the attachment.
2984      * @param string $encoding File encoding (see $Encoding).
2985      * @param string $type File extension (MIME) type.
2986      * @param string $disposition Disposition to use
2987      * @return void
2988      */
2989     public function addStringAttachment(
2990         $string,
2991         $filename,
2992         $encoding = 'base64',
2993         $type = '',
2994         $disposition = 'attachment'
2995     ) {
2996         // If a MIME type is not specified, try to work it out from the file name
2997         if ($type == '') {
2998             $type = self::filenameToType($filename);
2999         }
3000         // Append to $attachment array
3001         $this->attachment[] = array(
3002             0 => $string,
3003             1 => $filename,
3004             2 => basename($filename),
3005             3 => $encoding,
3006             4 => $type,
3007             5 => true, // isStringAttachment
3008             6 => $disposition,
3009             7 => 0
3010         );
3011     }
3012
3013     /**
3014      * Add an embedded (inline) attachment from a file.
3015      * This can include images, sounds, and just about any other document type.
3016      * These differ from 'regular' attachments in that they are intended to be
3017      * displayed inline with the message, not just attached for download.
3018      * This is used in HTML messages that embed the images
3019      * the HTML refers to using the $cid value.
3020      * @param string $path Path to the attachment.
3021      * @param string $cid Content ID of the attachment; Use this to reference
3022      *        the content when using an embedded image in HTML.
3023      * @param string $name Overrides the attachment name.
3024      * @param string $encoding File encoding (see $Encoding).
3025      * @param string $type File MIME type.
3026      * @param string $disposition Disposition to use
3027      * @return boolean True on successfully adding an attachment
3028      */
3029     public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline')
3030     {
3031         if (!@is_file($path)) {
3032             $this->setError($this->lang('file_access') . $path);
3033             return false;
3034         }
3035
3036         // If a MIME type is not specified, try to work it out from the file name
3037         if ($type == '') {
3038             $type = self::filenameToType($path);
3039         }
3040
3041         $filename = basename($path);
3042         if ($name == '') {
3043             $name = $filename;
3044         }
3045
3046         // Append to $attachment array
3047         $this->attachment[] = array(
3048             0 => $path,
3049             1 => $filename,
3050             2 => $name,
3051             3 => $encoding,
3052             4 => $type,
3053             5 => false, // isStringAttachment
3054             6 => $disposition,
3055             7 => $cid
3056         );
3057         return true;
3058     }
3059
3060     /**
3061      * Add an embedded stringified attachment.
3062      * This can include images, sounds, and just about any other document type.
3063      * Be sure to set the $type to an image type for images:
3064      * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
3065      * @param string $string The attachment binary data.
3066      * @param string $cid Content ID of the attachment; Use this to reference
3067      *        the content when using an embedded image in HTML.
3068      * @param string $name
3069      * @param string $encoding File encoding (see $Encoding).
3070      * @param string $type MIME type.
3071      * @param string $disposition Disposition to use
3072      * @return boolean True on successfully adding an attachment
3073      */
3074     public function addStringEmbeddedImage(
3075         $string,
3076         $cid,
3077         $name = '',
3078         $encoding = 'base64',
3079         $type = '',
3080         $disposition = 'inline'
3081     ) {
3082         // If a MIME type is not specified, try to work it out from the name
3083         if ($type == '' and !empty($name)) {
3084             $type = self::filenameToType($name);
3085         }
3086
3087         // Append to $attachment array
3088         $this->attachment[] = array(
3089             0 => $string,
3090             1 => $name,
3091             2 => $name,
3092             3 => $encoding,
3093             4 => $type,
3094             5 => true, // isStringAttachment
3095             6 => $disposition,
3096             7 => $cid
3097         );
3098         return true;
3099     }
3100
3101     /**
3102      * Check if an inline attachment is present.
3103      * @access public
3104      * @return boolean
3105      */
3106     public function inlineImageExists()
3107     {
3108         foreach ($this->attachment as $attachment) {
3109             if ($attachment[6] == 'inline') {
3110                 return true;
3111             }
3112         }
3113         return false;
3114     }
3115
3116     /**
3117      * Check if an attachment (non-inline) is present.
3118      * @return boolean
3119      */
3120     public function attachmentExists()
3121     {
3122         foreach ($this->attachment as $attachment) {
3123             if ($attachment[6] == 'attachment') {
3124                 return true;
3125             }
3126         }
3127         return false;
3128     }
3129
3130     /**
3131      * Check if this message has an alternative body set.
3132      * @return boolean
3133      */
3134     public function alternativeExists()
3135     {
3136         return !empty($this->AltBody);
3137     }
3138
3139     /**
3140      * Clear queued addresses of given kind.
3141      * @access protected
3142      * @param string $kind 'to', 'cc', or 'bcc'
3143      * @return void
3144      */
3145     public function clearQueuedAddresses($kind)
3146     {
3147         $RecipientsQueue = $this->RecipientsQueue;
3148         foreach ($RecipientsQueue as $address => $params) {
3149             if ($params[0] == $kind) {
3150                 unset($this->RecipientsQueue[$address]);
3151             }
3152         }
3153     }
3154
3155     /**
3156      * Clear all To recipients.
3157      * @return void
3158      */
3159     public function clearAddresses()
3160     {
3161         foreach ($this->to as $to) {
3162             unset($this->all_recipients[strtolower($to[0])]);
3163         }
3164         $this->to = array();
3165         $this->clearQueuedAddresses('to');
3166     }
3167
3168     /**
3169      * Clear all CC recipients.
3170      * @return void
3171      */
3172     public function clearCCs()
3173     {
3174         foreach ($this->cc as $cc) {
3175             unset($this->all_recipients[strtolower($cc[0])]);
3176         }
3177         $this->cc = array();
3178         $this->clearQueuedAddresses('cc');
3179     }
3180
3181     /**
3182      * Clear all BCC recipients.
3183      * @return void
3184      */
3185     public function clearBCCs()
3186     {
3187         foreach ($this->bcc as $bcc) {
3188             unset($this->all_recipients[strtolower($bcc[0])]);
3189         }
3190         $this->bcc = array();
3191         $this->clearQueuedAddresses('bcc');
3192     }
3193
3194     /**
3195      * Clear all ReplyTo recipients.
3196      * @return void
3197      */
3198     public function clearReplyTos()
3199     {
3200         $this->ReplyTo = array();
3201         $this->ReplyToQueue = array();
3202     }
3203
3204     /**
3205      * Clear all recipient types.
3206      * @return void
3207      */
3208     public function clearAllRecipients()
3209     {
3210         $this->to = array();
3211         $this->cc = array();
3212         $this->bcc = array();
3213         $this->all_recipients = array();
3214         $this->RecipientsQueue = array();
3215     }
3216
3217     /**
3218      * Clear all filesystem, string, and binary attachments.
3219      * @return void
3220      */
3221     public function clearAttachments()
3222     {
3223         $this->attachment = array();
3224     }
3225
3226     /**
3227      * Clear all custom headers.
3228      * @return void
3229      */
3230     public function clearCustomHeaders()
3231     {
3232         $this->CustomHeader = array();
3233     }
3234
3235     /**
3236      * Add an error message to the error container.
3237      * @access protected
3238      * @param string $msg
3239      * @return void
3240      */
3241     protected function setError($msg)
3242     {
3243         $this->error_count++;
3244         if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
3245             $lasterror = $this->smtp->getError();
3246             if (!empty($lasterror['error'])) {
3247                 $msg .= $this->lang('smtp_error') . $lasterror['error'];
3248                 if (!empty($lasterror['detail'])) {
3249                     $msg .= ' Detail: '. $lasterror['detail'];
3250                 }
3251                 if (!empty($lasterror['smtp_code'])) {
3252                     $msg .= ' SMTP code: ' . $lasterror['smtp_code'];
3253                 }
3254                 if (!empty($lasterror['smtp_code_ex'])) {
3255                     $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
3256                 }
3257             }
3258         }
3259         $this->ErrorInfo = $msg;
3260     }
3261
3262     /**
3263      * Return an RFC 822 formatted date.
3264      * @access public
3265      * @return string
3266      * @static
3267      */
3268     public static function rfcDate()
3269     {
3270         // Set the time zone to whatever the default is to avoid 500 errors
3271         // Will default to UTC if it's not set properly in php.ini
3272         date_default_timezone_set(@date_default_timezone_get());
3273         return date('D, j M Y H:i:s O');
3274     }
3275
3276     /**
3277      * Get the server hostname.
3278      * Returns 'localhost.localdomain' if unknown.
3279      * @access protected
3280      * @return string
3281      */
3282     protected function serverHostname()
3283     {
3284         $result = 'localhost.localdomain';
3285         if (!empty($this->Hostname)) {
3286             $result = $this->Hostname;
3287         } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
3288             $result = $_SERVER['SERVER_NAME'];
3289         } elseif (function_exists('gethostname') && gethostname() !== false) {
3290             $result = gethostname();
3291         } elseif (php_uname('n') !== false) {
3292             $result = php_uname('n');
3293         }
3294         return $result;
3295     }
3296
3297     /**
3298      * Get an error message in the current language.
3299      * @access protected
3300      * @param string $key
3301      * @return string
3302      */
3303     protected function lang($key)
3304     {
3305         if (count($this->language) < 1) {
3306             $this->setLanguage('en'); // set the default language
3307         }
3308
3309         if (array_key_exists($key, $this->language)) {
3310             if ($key == 'smtp_connect_failed') {
3311                 //Include a link to troubleshooting docs on SMTP connection failure
3312                 //this is by far the biggest cause of support questions
3313                 //but it's usually not PHPMailer's fault.
3314                 return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
3315             }
3316             return $this->language[$key];
3317         } else {
3318             //Return the key as a fallback
3319             return $key;
3320         }
3321     }
3322
3323     /**
3324      * Check if an error occurred.
3325      * @access public
3326      * @return boolean True if an error did occur.
3327      */
3328     public function isError()
3329     {
3330         return ($this->error_count > 0);
3331     }
3332
3333     /**
3334      * Ensure consistent line endings in a string.
3335      * Changes every end of line from CRLF, CR or LF to $this->LE.
3336      * @access public
3337      * @param string $str String to fixEOL
3338      * @return string
3339      */
3340     public function fixEOL($str)
3341     {
3342         // Normalise to \n
3343         $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
3344         // Now convert LE as needed
3345         if ($this->LE !== "\n") {
3346             $nstr = str_replace("\n", $this->LE, $nstr);
3347         }
3348         return $nstr;
3349     }
3350
3351     /**
3352      * Add a custom header.
3353      * $name value can be overloaded to contain
3354      * both header name and value (name:value)
3355      * @access public
3356      * @param string $name Custom header name
3357      * @param string $value Header value
3358      * @return void
3359      */
3360     public function addCustomHeader($name, $value = null)
3361     {
3362         if ($value === null) {
3363             // Value passed in as name:value
3364             $this->CustomHeader[] = explode(':', $name, 2);
3365         } else {
3366             $this->CustomHeader[] = array($name, $value);
3367         }
3368     }
3369
3370     /**
3371      * Returns all custom headers.
3372      * @return array
3373      */
3374     public function getCustomHeaders()
3375     {
3376         return $this->CustomHeader;
3377     }
3378
3379     /**
3380      * Create a message body from an HTML string.
3381      * Automatically inlines images and creates a plain-text version by converting the HTML,
3382      * overwriting any existing values in Body and AltBody.
3383      * $basedir is used when handling relative image paths, e.g. <img src="images/a.png">
3384      * will look for an image file in $basedir/images/a.png and convert it to inline.
3385      * If you don't want to apply these transformations to your HTML, just set Body and AltBody yourself.
3386      * @access public
3387      * @param string $message HTML message string
3388      * @param string $basedir base directory for relative paths to images
3389      * @param boolean|callable $advanced Whether to use the internal HTML to text converter
3390      *    or your own custom converter @see PHPMailer::html2text()
3391      * @return string $message The transformed message Body
3392      */
3393     public function msgHTML($message, $basedir = '', $advanced = false)
3394     {
3395         preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
3396         if (array_key_exists(2, $images)) {
3397             foreach ($images[2] as $imgindex => $url) {
3398                 // Convert data URIs into embedded images
3399                 if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
3400                     $data = substr($url, strpos($url, ','));
3401                     if ($match[2]) {
3402                         $data = base64_decode($data);
3403                     } else {
3404                         $data = rawurldecode($data);
3405                     }
3406                     $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
3407                     if ($this->addStringEmbeddedImage($data, $cid, 'embed' . $imgindex, 'base64', $match[1])) {
3408                         $message = str_replace(
3409                             $images[0][$imgindex],
3410                             $images[1][$imgindex] . '="cid:' . $cid . '"',
3411                             $message
3412                         );
3413                     }
3414                 } elseif (substr($url, 0, 4) !== 'cid:' && !preg_match('#^[a-z][a-z0-9+.-]*://#i', $url)) {
3415                     // Do not change urls for absolute images (thanks to corvuscorax)
3416                     // Do not change urls that are already inline images
3417                     $filename = basename($url);
3418                     $directory = dirname($url);
3419                     if ($directory == '.') {
3420                         $directory = '';
3421                     }
3422                     $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
3423                     if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
3424                         $basedir .= '/';
3425                     }
3426                     if (strlen($directory) > 1 && substr($directory, -1) != '/') {
3427                         $directory .= '/';
3428                     }
3429                     if ($this->addEmbeddedImage(
3430                         $basedir . $directory . $filename,
3431                         $cid,
3432                         $filename,
3433                         'base64',
3434                         self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION))
3435                     )
3436                     ) {
3437                         $message = preg_replace(
3438                             '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
3439                             $images[1][$imgindex] . '="cid:' . $cid . '"',
3440                             $message
3441                         );
3442                     }
3443                 }
3444             }
3445         }
3446         $this->isHTML(true);
3447         // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
3448         $this->Body = $this->normalizeBreaks($message);
3449         $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
3450         if (!$this->alternativeExists()) {
3451             $this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
3452                 self::CRLF . self::CRLF;
3453         }
3454         return $this->Body;
3455     }
3456
3457     /**
3458      * Convert an HTML string into plain text.
3459      * This is used by msgHTML().
3460      * Note - older versions of this function used a bundled advanced converter
3461      * which was been removed for license reasons in #232.
3462      * Example usage:
3463      * <code>
3464      * // Use default conversion
3465      * $plain = $mail->html2text($html);
3466      * // Use your own custom converter
3467      * $plain = $mail->html2text($html, function($html) {
3468      *     $converter = new MyHtml2text($html);
3469      *     return $converter->get_text();
3470      * });
3471      * </code>
3472      * @param string $html The HTML text to convert
3473      * @param boolean|callable $advanced Any boolean value to use the internal converter,
3474      *   or provide your own callable for custom conversion.
3475      * @return string
3476      */
3477     public function html2text($html, $advanced = false)
3478     {
3479         if (is_callable($advanced)) {
3480             return call_user_func($advanced, $html);
3481         }
3482         return html_entity_decode(
3483             trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
3484             ENT_QUOTES,
3485             $this->CharSet
3486         );
3487     }
3488
3489     /**
3490      * Get the MIME type for a file extension.
3491      * @param string $ext File extension
3492      * @access public
3493      * @return string MIME type of file.
3494      * @static
3495      */
3496     public static function _mime_types($ext = '')
3497     {
3498         $mimes = array(
3499             'xl'    => 'application/excel',
3500             'js'    => 'application/javascript',
3501             'hqx'   => 'application/mac-binhex40',
3502             'cpt'   => 'application/mac-compactpro',
3503             'bin'   => 'application/macbinary',
3504             'doc'   => 'application/msword',
3505             'word'  => 'application/msword',
3506             'xlsx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
3507             'xltx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
3508             'potx'  => 'application/vnd.openxmlformats-officedocument.presentationml.template',
3509             'ppsx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
3510             'pptx'  => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
3511             'sldx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
3512             'docx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
3513             'dotx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
3514             'xlam'  => 'application/vnd.ms-excel.addin.macroEnabled.12',
3515             'xlsb'  => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
3516             'class' => 'application/octet-stream',
3517             'dll'   => 'application/octet-stream',
3518             'dms'   => 'application/octet-stream',
3519             'exe'   => 'application/octet-stream',
3520             'lha'   => 'application/octet-stream',
3521             'lzh'   => 'application/octet-stream',
3522             'psd'   => 'application/octet-stream',
3523             'sea'   => 'application/octet-stream',
3524             'so'    => 'application/octet-stream',
3525             'oda'   => 'application/oda',
3526             'pdf'   => 'application/pdf',
3527             'ai'    => 'application/postscript',
3528             'eps'   => 'application/postscript',
3529             'ps'    => 'application/postscript',
3530             'smi'   => 'application/smil',
3531             'smil'  => 'application/smil',
3532             'mif'   => 'application/vnd.mif',
3533             'xls'   => 'application/vnd.ms-excel',
3534             'ppt'   => 'application/vnd.ms-powerpoint',
3535             'wbxml' => 'application/vnd.wap.wbxml',
3536             'wmlc'  => 'application/vnd.wap.wmlc',
3537             'dcr'   => 'application/x-director',
3538             'dir'   => 'application/x-director',
3539             'dxr'   => 'application/x-director',
3540             'dvi'   => 'application/x-dvi',
3541             'gtar'  => 'application/x-gtar',
3542             'php3'  => 'application/x-httpd-php',
3543             'php4'  => 'application/x-httpd-php',
3544             'php'   => 'application/x-httpd-php',
3545             'phtml' => 'application/x-httpd-php',
3546             'phps'  => 'application/x-httpd-php-source',
3547             'swf'   => 'application/x-shockwave-flash',
3548             'sit'   => 'application/x-stuffit',
3549             'tar'   => 'application/x-tar',
3550             'tgz'   => 'application/x-tar',
3551             'xht'   => 'application/xhtml+xml',
3552             'xhtml' => 'application/xhtml+xml',
3553             'zip'   => 'application/zip',
3554             'mid'   => 'audio/midi',
3555             'midi'  => 'audio/midi',
3556             'mp2'   => 'audio/mpeg',
3557             'mp3'   => 'audio/mpeg',
3558             'mpga'  => 'audio/mpeg',
3559             'aif'   => 'audio/x-aiff',
3560             'aifc'  => 'audio/x-aiff',
3561             'aiff'  => 'audio/x-aiff',
3562             'ram'   => 'audio/x-pn-realaudio',
3563             'rm'    => 'audio/x-pn-realaudio',
3564             'rpm'   => 'audio/x-pn-realaudio-plugin',
3565             'ra'    => 'audio/x-realaudio',
3566             'wav'   => 'audio/x-wav',
3567             'bmp'   => 'image/bmp',
3568             'gif'   => 'image/gif',
3569             'jpeg'  => 'image/jpeg',
3570             'jpe'   => 'image/jpeg',
3571             'jpg'   => 'image/jpeg',
3572             'png'   => 'image/png',
3573             'tiff'  => 'image/tiff',
3574             'tif'   => 'image/tiff',
3575             'eml'   => 'message/rfc822',
3576             'css'   => 'text/css',
3577             'html'  => 'text/html',
3578             'htm'   => 'text/html',
3579             'shtml' => 'text/html',
3580             'log'   => 'text/plain',
3581             'text'  => 'text/plain',
3582             'txt'   => 'text/plain',
3583             'rtx'   => 'text/richtext',
3584             'rtf'   => 'text/rtf',
3585             'vcf'   => 'text/vcard',
3586             'vcard' => 'text/vcard',
3587             'xml'   => 'text/xml',
3588             'xsl'   => 'text/xml',
3589             'mpeg'  => 'video/mpeg',
3590             'mpe'   => 'video/mpeg',
3591             'mpg'   => 'video/mpeg',
3592             'mov'   => 'video/quicktime',
3593             'qt'    => 'video/quicktime',
3594             'rv'    => 'video/vnd.rn-realvideo',
3595             'avi'   => 'video/x-msvideo',
3596             'movie' => 'video/x-sgi-movie'
3597         );
3598         if (array_key_exists(strtolower($ext), $mimes)) {
3599             return $mimes[strtolower($ext)];
3600         }
3601         return 'application/octet-stream';
3602     }
3603
3604     /**
3605      * Map a file name to a MIME type.
3606      * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
3607      * @param string $filename A file name or full path, does not need to exist as a file
3608      * @return string
3609      * @static
3610      */
3611     public static function filenameToType($filename)
3612     {
3613         // In case the path is a URL, strip any query string before getting extension
3614         $qpos = strpos($filename, '?');
3615         if (false !== $qpos) {
3616             $filename = substr($filename, 0, $qpos);
3617         }
3618         $pathinfo = self::mb_pathinfo($filename);
3619         return self::_mime_types($pathinfo['extension']);
3620     }
3621
3622     /**
3623      * Multi-byte-safe pathinfo replacement.
3624      * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
3625      * Works similarly to the one in PHP >= 5.2.0
3626      * @link http://www.php.net/manual/en/function.pathinfo.php#107461
3627      * @param string $path A filename or path, does not need to exist as a file
3628      * @param integer|string $options Either a PATHINFO_* constant,
3629      *      or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
3630      * @return string|array
3631      * @static
3632      */
3633     public static function mb_pathinfo($path, $options = null)
3634     {
3635         $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
3636         $pathinfo = array();
3637         if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
3638             if (array_key_exists(1, $pathinfo)) {
3639                 $ret['dirname'] = $pathinfo[1];
3640             }
3641             if (array_key_exists(2, $pathinfo)) {
3642                 $ret['basename'] = $pathinfo[2];
3643             }
3644             if (array_key_exists(5, $pathinfo)) {
3645                 $ret['extension'] = $pathinfo[5];
3646             }
3647             if (array_key_exists(3, $pathinfo)) {
3648                 $ret['filename'] = $pathinfo[3];
3649             }
3650         }
3651         switch ($options) {
3652             case PATHINFO_DIRNAME:
3653             case 'dirname':
3654                 return $ret['dirname'];
3655             case PATHINFO_BASENAME:
3656             case 'basename':
3657                 return $ret['basename'];
3658             case PATHINFO_EXTENSION:
3659             case 'extension':
3660                 return $ret['extension'];
3661             case PATHINFO_FILENAME:
3662             case 'filename':
3663                 return $ret['filename'];
3664             default:
3665                 return $ret;
3666         }
3667     }
3668
3669     /**
3670      * Set or reset instance properties.
3671      * You should avoid this function - it's more verbose, less efficient, more error-prone and
3672      * harder to debug than setting properties directly.
3673      * Usage Example:
3674      * `$mail->set('SMTPSecure', 'tls');`
3675      *   is the same as:
3676      * `$mail->SMTPSecure = 'tls';`
3677      * @access public
3678      * @param string $name The property name to set
3679      * @param mixed $value The value to set the property to
3680      * @return boolean
3681      * @TODO Should this not be using the __set() magic function?
3682      */
3683     public function set($name, $value = '')
3684     {
3685         if (property_exists($this, $name)) {
3686             $this->$name = $value;
3687             return true;
3688         } else {
3689             $this->setError($this->lang('variable_set') . $name);
3690             return false;
3691         }
3692     }
3693
3694     /**
3695      * Strip newlines to prevent header injection.
3696      * @access public
3697      * @param string $str
3698      * @return string
3699      */
3700     public function secureHeader($str)
3701     {
3702         return trim(str_replace(array("\r", "\n"), '', $str));
3703     }
3704
3705     /**
3706      * Normalize line breaks in a string.
3707      * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
3708      * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
3709      * @param string $text
3710      * @param string $breaktype What kind of line break to use, defaults to CRLF
3711      * @return string
3712      * @access public
3713      * @static
3714      */
3715     public static function normalizeBreaks($text, $breaktype = "\r\n")
3716     {
3717         return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
3718     }
3719
3720     /**
3721      * Set the public and private key files and password for S/MIME signing.
3722      * @access public
3723      * @param string $cert_filename
3724      * @param string $key_filename
3725      * @param string $key_pass Password for private key
3726      * @param string $extracerts_filename Optional path to chain certificate
3727      */
3728     public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
3729     {
3730         $this->sign_cert_file = $cert_filename;
3731         $this->sign_key_file = $key_filename;
3732         $this->sign_key_pass = $key_pass;
3733         $this->sign_extracerts_file = $extracerts_filename;
3734     }
3735
3736     /**
3737      * Quoted-Printable-encode a DKIM header.
3738      * @access public
3739      * @param string $txt
3740      * @return string
3741      */
3742     public function DKIM_QP($txt)
3743     {
3744         $line = '';
3745         for ($i = 0; $i < strlen($txt); $i++) {
3746             $ord = ord($txt[$i]);
3747             if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
3748                 $line .= $txt[$i];
3749             } else {
3750                 $line .= '=' . sprintf('%02X', $ord);
3751             }
3752         }
3753         return $line;
3754     }
3755
3756     /**
3757      * Generate a DKIM signature.
3758      * @access public
3759      * @param string $signHeader
3760      * @throws phpmailerException
3761      * @return string The DKIM signature value
3762      */
3763     public function DKIM_Sign($signHeader)
3764     {
3765         if (!defined('PKCS7_TEXT')) {
3766             if ($this->exceptions) {
3767                 throw new phpmailerException($this->lang('extension_missing') . 'openssl');
3768             }
3769             return '';
3770         }
3771         $privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private);
3772         if ('' != $this->DKIM_passphrase) {
3773             $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
3774         } else {
3775             $privKey = openssl_pkey_get_private($privKeyStr);
3776         }
3777         //Workaround for missing digest algorithms in old PHP & OpenSSL versions
3778         //@link http://stackoverflow.com/a/11117338/333340
3779         if (version_compare(PHP_VERSION, '5.3.0') >= 0 and
3780             in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) {
3781             if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
3782                 openssl_pkey_free($privKey);
3783                 return base64_encode($signature);
3784             }
3785         } else {
3786             $pinfo = openssl_pkey_get_details($privKey);
3787             $hash = hash('sha256', $signHeader);
3788             //'Magic' constant for SHA256 from RFC3447
3789             //@link https://tools.ietf.org/html/rfc3447#page-43
3790             $t = '3031300d060960864801650304020105000420' . $hash;
3791             $pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3);
3792             $eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t);
3793
3794             if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) {
3795                 openssl_pkey_free($privKey);
3796                 return base64_encode($signature);
3797             }
3798         }
3799         openssl_pkey_free($privKey);
3800         return '';
3801     }
3802
3803     /**
3804      * Generate a DKIM canonicalization header.
3805      * @access public
3806      * @param string $signHeader Header
3807      * @return string
3808      */
3809     public function DKIM_HeaderC($signHeader)
3810     {
3811         $signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
3812         $lines = explode("\r\n", $signHeader);
3813         foreach ($lines as $key => $line) {
3814             list($heading, $value) = explode(':', $line, 2);
3815             $heading = strtolower($heading);
3816             $value = preg_replace('/\s{2,}/', ' ', $value); // Compress useless spaces
3817             $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
3818         }
3819         $signHeader = implode("\r\n", $lines);
3820         return $signHeader;
3821     }
3822
3823     /**
3824      * Generate a DKIM canonicalization body.
3825      * @access public
3826      * @param string $body Message Body
3827      * @return string
3828      */
3829     public function DKIM_BodyC($body)
3830     {
3831         if ($body == '') {
3832             return "\r\n";
3833         }
3834         // stabilize line endings
3835         $body = str_replace("\r\n", "\n", $body);
3836         $body = str_replace("\n", "\r\n", $body);
3837         // END stabilize line endings
3838         while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
3839             $body = substr($body, 0, strlen($body) - 2);
3840         }
3841         return $body;
3842     }
3843
3844     /**
3845      * Create the DKIM header and body in a new message header.
3846      * @access public
3847      * @param string $headers_line Header lines
3848      * @param string $subject Subject
3849      * @param string $body Body
3850      * @return string
3851      */
3852     public function DKIM_Add($headers_line, $subject, $body)
3853     {
3854         $DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms
3855         $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
3856         $DKIMquery = 'dns/txt'; // Query method
3857         $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
3858         $subject_header = "Subject: $subject";
3859         $headers = explode($this->LE, $headers_line);
3860         $from_header = '';
3861         $to_header = '';
3862         $date_header = '';
3863         $current = '';
3864         foreach ($headers as $header) {
3865             if (strpos($header, 'From:') === 0) {
3866                 $from_header = $header;
3867                 $current = 'from_header';
3868             } elseif (strpos($header, 'To:') === 0) {
3869                 $to_header = $header;
3870                 $current = 'to_header';
3871             } elseif (strpos($header, 'Date:') === 0) {
3872                 $date_header = $header;
3873                 $current = 'date_header';
3874             } else {
3875                 if (!empty($$current) && strpos($header, ' =?') === 0) {
3876                     $$current .= $header;
3877                 } else {
3878                     $current = '';
3879                 }
3880             }
3881         }
3882         $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
3883         $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
3884         $date = str_replace('|', '=7C', $this->DKIM_QP($date_header));
3885         $subject = str_replace(
3886             '|',
3887             '=7C',
3888             $this->DKIM_QP($subject_header)
3889         ); // Copied header fields (dkim-quoted-printable)
3890         $body = $this->DKIM_BodyC($body);
3891         $DKIMlen = strlen($body); // Length of body
3892         $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body
3893         if ('' == $this->DKIM_identity) {
3894             $ident = '';
3895         } else {
3896             $ident = ' i=' . $this->DKIM_identity . ';';
3897         }
3898         $dkimhdrs = 'DKIM-Signature: v=1; a=' .
3899             $DKIMsignatureType . '; q=' .
3900             $DKIMquery . '; l=' .
3901             $DKIMlen . '; s=' .
3902             $this->DKIM_selector .
3903             ";\r\n" .
3904             "\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
3905             "\th=From:To:Date:Subject;\r\n" .
3906             "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
3907             "\tz=$from\r\n" .
3908             "\t|$to\r\n" .
3909             "\t|$date\r\n" .
3910             "\t|$subject;\r\n" .
3911             "\tbh=" . $DKIMb64 . ";\r\n" .
3912             "\tb=";
3913         $toSign = $this->DKIM_HeaderC(
3914             $from_header . "\r\n" .
3915             $to_header . "\r\n" .
3916             $date_header . "\r\n" .
3917             $subject_header . "\r\n" .
3918             $dkimhdrs
3919         );
3920         $signed = $this->DKIM_Sign($toSign);
3921         return $dkimhdrs . $signed . "\r\n";
3922     }
3923
3924     /**
3925      * Detect if a string contains a line longer than the maximum line length allowed.
3926      * @param string $str
3927      * @return boolean
3928      * @static
3929      */
3930     public static function hasLineLongerThanMax($str)
3931     {
3932         //+2 to include CRLF line break for a 1000 total
3933         return (boolean)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + 2).',})/m', $str);
3934     }
3935
3936     /**
3937      * Allows for public read access to 'to' property.
3938      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
3939      * @access public
3940      * @return array
3941      */
3942     public function getToAddresses()
3943     {
3944         return $this->to;
3945     }
3946
3947     /**
3948      * Allows for public read access to 'cc' property.
3949      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
3950      * @access public
3951      * @return array
3952      */
3953     public function getCcAddresses()
3954     {
3955         return $this->cc;
3956     }
3957
3958     /**
3959      * Allows for public read access to 'bcc' property.
3960      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
3961      * @access public
3962      * @return array
3963      */
3964     public function getBccAddresses()
3965     {
3966         return $this->bcc;
3967     }
3968
3969     /**
3970      * Allows for public read access to 'ReplyTo' property.
3971      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
3972      * @access public
3973      * @return array
3974      */
3975     public function getReplyToAddresses()
3976     {
3977         return $this->ReplyTo;
3978     }
3979
3980     /**
3981      * Allows for public read access to 'all_recipients' property.
3982      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
3983      * @access public
3984      * @return array
3985      */
3986     public function getAllRecipientAddresses()
3987     {
3988         return $this->all_recipients;
3989     }
3990
3991     /**
3992      * Perform a callback.
3993      * @param boolean $isSent
3994      * @param array $to
3995      * @param array $cc
3996      * @param array $bcc
3997      * @param string $subject
3998      * @param string $body
3999      * @param string $from
4000      */
4001     protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
4002     {
4003         if (!empty($this->action_function) && is_callable($this->action_function)) {
4004             $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
4005             call_user_func_array($this->action_function, $params);
4006         }
4007     }
4008 }
4009
4010 /**
4011  * PHPMailer exception handler
4012  * @package PHPMailer
4013  */
4014 class phpmailerException extends Exception
4015 {
4016     /**
4017      * Prettify error message output
4018      * @return string
4019      */
4020     public function errorMessage()
4021     {
4022         $errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";
4023         return $errorMsg;
4024     }
4025 }