phpmailer/class.phpmailer.php

   1 <?php
   2 ////////////////////////////////////////////////////
   3 // PHPMailer - PHP email class
   4 //
   5 // Class for sending email using either
   6 // sendmail, PHP mail(), or SMTP.  Methods are
   7 // based upon the standard AspEmail(tm) classes.
   8 //
   9 // Copyright (C) 2001 - 2003  Brent R. Matzelle
  10 //
  11 // License: LGPL, see LICENSE
  12 ////////////////////////////////////////////////////
  13
  14 /**
  15  * PHPMailer - PHP email transport class
  16  * @package PHPMailer
  17  * @author Brent R. Matzelle
  18  * @copyright 2001 - 2003 Brent R. Matzelle
  19  */
  20 class PHPMailer
  21 {
  22     /////////////////////////////////////////////////
  23     // PUBLIC VARIABLES
  24     /////////////////////////////////////////////////
  25
  26     /**
  27      * Email priority (1 = High, 3 = Normal, 5 = low).
  28      * @var int
  29      */
  30     var $Priority          = 3;
  31
  32     /**
  33      * Sets the CharSet of the message.
  34      * @var string
  35      */
  36     var $CharSet           = "iso-8859-1";
  37
  38     /**
  39      * Sets the Content-type of the message.
  40      * @var string
  41      */
  42     var $ContentType        = "text/plain";
  43
  44     /**
  45      * Sets the Encoding of the message. Options for this are "8bit",
  46      * "7bit", "binary", "base64", and "quoted-printable".
  47      * @var string
  48      */
  49     var $Encoding          = "8bit";
  50
  51     /**
  52      * Holds the most recent mailer error message.
  53      * @var string
  54      */
  55     var $ErrorInfo         = "";
  56
  57     /**
  58      * Sets the From email address for the message.
  59      * @var string
  60      */
  61     var $From               = "root@localhost";
  62
  63     /**
  64      * Sets the From name of the message.
  65      * @var string
  66      */
  67     var $FromName           = "Root User";
  68
  69     /**
  70      * Sets the Sender email (Return-Path) of the message.  If not empty,
  71      * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
  72      * @var string
  73      */
  74     var $Sender            = "";
  75
  76     /**
  77      * Sets the Subject of the message.
  78      * @var string
  79      */
  80     var $Subject           = "";
  81
  82     /**
  83      * Sets the Body of the message.  This can be either an HTML or text body.
  84      * If HTML then run IsHTML(true).
  85      * @var string
  86      */
  87     var $Body               = "";
  88
  89     /**
  90      * Sets the text-only body of the message.  This automatically sets the
  91      * email to multipart/alternative.  This body can be read by mail
  92      * clients that do not have HTML email capability such as mutt. Clients
  93      * that can read HTML will view the normal Body.
  94      * @var string
  95      */
  96     var $AltBody           = "";
  97
  98     /**
  99      * Sets word wrapping on the body of the message to a given number of
 100      * characters.
 101      * @var int
 102      */
 103     var $WordWrap          = 0;
 104
 105     /**
 106      * Method to send mail: ("mail", "sendmail", or "smtp").
 107      * @var string
 108      */
 109     var $Mailer            = "mail";
 110
 111     /**
 112      * Sets the path of the sendmail program.
 113      * @var string
 114      */
 115     var $Sendmail          = "/usr/sbin/sendmail";
 116
 117     /**
 118      * Path to PHPMailer plugins.  This is now only useful if the SMTP class
 119      * is in a different directory than the PHP include path.
 120      * @var string
 121      */
 122     var $PluginDir         = "";
 123
 124     /**
 125      *  Holds PHPMailer version.
 126      *  @var string
 127      */
 128     var $Version           = "1.73";
 129
 130     /**
 131      * Sets the email address that a reading confirmation will be sent.
 132      * @var string
 133      */
 134     var $ConfirmReadingTo  = "";
 135
 136     /**
 137      *  Sets the hostname to use in Message-Id and Received headers
 138      *  and as default HELO string. If empty, the value returned
 139      *  by SERVER_NAME is used or 'localhost.localdomain'.
 140      *  @var string
 141      */
 142     var $Hostname          = "";
 143
 144     /////////////////////////////////////////////////
 145     // SMTP VARIABLES
 146     /////////////////////////////////////////////////
 147
 148     /**
 149      *  Sets the SMTP hosts.  All hosts must be separated by a
 150      *  semicolon.  You can also specify a different port
 151      *  for each host by using this format: [hostname:port]
 152      *  (e.g. "smtp1.example.com:25;smtp2.example.com").
 153      *  Hosts will be tried in order.
 154      *  @var string
 155      */
 156     var $Host        = "localhost";
 157
 158     /**
 159      *  Sets the default SMTP server port.
 160      *  @var int
 161      */
 162     var $Port        = 25;
 163
 164     /**
 165      *  Sets the SMTP HELO of the message (Default is $Hostname).
 166      *  @var string
 167      */
 168     var $Helo        = "";
 169
 170     /**
 171      *  Sets SMTP authentication. Utilizes the Username and Password variables.
 172      *  @var bool
 173      */
 174     var $SMTPAuth     = false;
 175
 176     /**
 177      *  Sets SMTP username.
 178      *  @var string
 179      */
 180     var $Username     = "";
 181
 182     /**
 183      *  Sets SMTP password.
 184      *  @var string
 185      */
 186     var $Password     = "";
 187
 188     /**
 189      *  Sets the SMTP server timeout in seconds. This function will not
 190      *  work with the win32 version.
 191      *  @var int
 192      */
 193     var $Timeout      = 10;
 194
 195     /**
 196      *  Sets SMTP class debugging on or off.
 197      *  @var bool
 198      */
 199     var $SMTPDebug    = false;
 200
 201     /**
 202      * Prevents the SMTP connection from being closed after each mail
 203      * sending.  If this is set to true then to close the connection
 204      * requires an explicit call to SmtpClose().
 205      * @var bool
 206      */
 207     var $SMTPKeepAlive = false;
 208
 209     /**#@+
 210      * @access private
 211      */
 212     var $smtp            = NULL;
 213     var $to              = array();
 214     var $cc              = array();
 215     var $bcc             = array();
 216     var $ReplyTo         = array();
 217     var $attachment      = array();
 218     var $CustomHeader    = array();
 219     var $message_type    = "";
 220     var $boundary        = array();
 221     var $language        = array();
 222     var $error_count     = 0;
 223     var $LE              = "\n";
 224     /**#@-*/
 225
 226     /////////////////////////////////////////////////
 227     // VARIABLE METHODS
 228     /////////////////////////////////////////////////
 229
 230     /**
 231      * Sets message type to HTML.
 232      * @param bool $bool
 233      * @return void
 234      */
 235     function IsHTML($bool) {
 236         if($bool == true)
 237             $this->ContentType = "text/html";
 238         else
 239             $this->ContentType = "text/plain";
 240     }
 241
 242     /**
 243      * Sets Mailer to send message using SMTP.
 244      * @return void
 245      */
 246     function IsSMTP() {
 247         $this->Mailer = "smtp";
 248     }
 249
 250     /**
 251      * Sets Mailer to send message using PHP mail() function.
 252      * @return void
 253      */
 254     function IsMail() {
 255         $this->Mailer = "mail";
 256     }
 257
 258     /**
 259      * Sets Mailer to send message using the $Sendmail program.
 260      * @return void
 261      */
 262     function IsSendmail() {
 263         $this->Mailer = "sendmail";
 264     }
 265
 266     /**
 267      * Sets Mailer to send message using the qmail MTA.
 268      * @return void
 269      */
 270     function IsQmail() {
 271         $this->Sendmail = "/var/qmail/bin/sendmail";
 272         $this->Mailer = "sendmail";
 273     }
 274
 275
 276     /////////////////////////////////////////////////
 277     // RECIPIENT METHODS
 278     /////////////////////////////////////////////////
 279
 280     /**
 281      * Adds a "To" address.
 282      * @param string $address
 283      * @param string $name
 284      * @return void
 285      */
 286     function AddAddress($address, $name = "") {
 287         $cur = count($this->to);
 288         $this->to[$cur][0] = trim($address);
 289         $this->to[$cur][1] = $name;
 290     }
 291
 292     /**
 293      * Adds a "Cc" address. Note: this function works
 294      * with the SMTP mailer on win32, not with the "mail"
 295      * mailer.
 296      * @param string $address
 297      * @param string $name
 298      * @return void
 299     */
 300     function AddCC($address, $name = "") {
 301         $cur = count($this->cc);
 302         $this->cc[$cur][0] = trim($address);
 303         $this->cc[$cur][1] = $name;
 304     }
 305
 306     /**
 307      * Adds a "Bcc" address. Note: this function works
 308      * with the SMTP mailer on win32, not with the "mail"
 309      * mailer.
 310      * @param string $address
 311      * @param string $name
 312      * @return void
 313      */
 314     function AddBCC($address, $name = "") {
 315         $cur = count($this->bcc);
 316         $this->bcc[$cur][0] = trim($address);
 317         $this->bcc[$cur][1] = $name;
 318     }
 319
 320     /**
 321      * Adds a "Reply-to" address.
 322      * @param string $address
 323      * @param string $name
 324      * @return void
 325      */
 326     function AddReplyTo($address, $name = "") {
 327         $cur = count($this->ReplyTo);
 328         $this->ReplyTo[$cur][0] = trim($address);
 329         $this->ReplyTo[$cur][1] = $name;
 330     }
 331
 332
 333     /////////////////////////////////////////////////
 334     // MAIL SENDING METHODS
 335     /////////////////////////////////////////////////
 336
 337     /**
 338      * Creates message and assigns Mailer. If the message is
 339      * not sent successfully then it returns false.  Use the ErrorInfo
 340      * variable to view description of the error.
 341      * @return bool
 342      */
 343     function Send() {
 344         $header = "";
 345         $body = "";
 346         $result = true;
 347
 348         if((count($this->to) + count($this->cc) + count($this->bcc)) < 1)
 349         {
 350             $this->SetError($this->Lang("provide_address"));
 351             return false;
 352         }
 353
 354         // Set whether the message is multipart/alternative
 355         if(!empty($this->AltBody))
 356             $this->ContentType = "multipart/alternative";
 357
 358         $this->error_count = 0; // reset errors
 359         $this->SetMessageType();
 360         $header .= $this->CreateHeader();
 361         $body = $this->CreateBody();
 362
 363         if($body == "") { return false; }
 364
 365         // Choose the mailer
 366         switch($this->Mailer)
 367         {
 368             case "sendmail":
 369                 $result = $this->SendmailSend($header, $body);
 370                 break;
 371             case "mail":
 372                 $result = $this->MailSend($header, $body);
 373                 break;
 374             case "smtp":
 375                 $result = $this->SmtpSend($header, $body);
 376                 break;
 377             default:
 378             $this->SetError($this->Mailer . $this->Lang("mailer_not_supported"));
 379                 $result = false;
 380                 break;
 381         }
 382
 383         return $result;
 384     }
 385
 386     /**
 387      * Sends mail using the $Sendmail program.
 388      * @access private
 389      * @return bool
 390      */
 391     function SendmailSend($header, $body) {
 392         if ($this->Sender != "")
 393             $sendmail = sprintf("%s -oi -f %s -t", $this->Sendmail, $this->Sender);
 394         else
 395             $sendmail = sprintf("%s -oi -t", $this->Sendmail);
 396
 397         if(!@$mail = popen($sendmail, "w"))
 398         {
 399             $this->SetError($this->Lang("execute") . $this->Sendmail);
 400             return false;
 401         }
 402
 403         fputs($mail, $header);
 404         fputs($mail, $body);
 405
 406         $result = pclose($mail) >> 8 & 0xFF;
 407         if($result != 0)
 408         {
 409             $this->SetError($this->Lang("execute") . $this->Sendmail);
 410             return false;
 411         }
 412
 413         return true;
 414     }
 415
 416     /**
 417      * Sends mail using the PHP mail() function.
 418      * @access private
 419      * @return bool
 420      */
 421     function MailSend($header, $body) {
 422         $to = "";
 423         for($i = 0; $i < count($this->to); $i++)
 424         {
 425             if($i != 0) { $to .= ", "; }
 426             $to .= $this->to[$i][0];
 427         }
 428
 429         if ($this->Sender != "" && strlen(ini_get("safe_mode"))< 1)
 430         {
 431             $old_from = ini_get("sendmail_from");
 432             ini_set("sendmail_from", $this->Sender);
 433             $params = sprintf("-oi -f %s", $this->Sender);
 434             $rt = @mail($to, $this->EncodeHeader($this->Subject), $body,
 435                         $header, $params);
 436         }
 437         else
 438             $rt = @mail($to, $this->EncodeHeader($this->Subject), $body, $header);
 439
 440         if (isset($old_from))
 441             ini_set("sendmail_from", $old_from);
 442
 443         if(!$rt)
 444         {
 445             $this->SetError($this->Lang("instantiate"));
 446             return false;
 447         }
 448
 449         return true;
 450     }
 451
 452     /**
 453      * Sends mail via SMTP using PhpSMTP (Author:
 454      * Chris Ryan).  Returns bool.  Returns false if there is a
 455      * bad MAIL FROM, RCPT, or DATA input.
 456      * @access private
 457      * @return bool
 458      */
 459     function SmtpSend($header, $body) {
 460         include_once($this->PluginDir . "class.smtp.php");
 461         $error = "";
 462         $bad_rcpt = array();
 463
 464         if(!$this->SmtpConnect())
 465             return false;
 466
 467         $smtp_from = ($this->Sender == "") ? $this->From : $this->Sender;
 468         if(!$this->smtp->Mail($smtp_from))
 469         {
 470             $error = $this->Lang("from_failed") . $smtp_from;
 471             $this->SetError($error);
 472             $this->smtp->Reset();
 473             return false;
 474         }
 475
 476         // Attempt to send attach all recipients
 477         for($i = 0; $i < count($this->to); $i++)
 478         {
 479             if(!$this->smtp->Recipient($this->to[$i][0]))
 480                 $bad_rcpt[] = $this->to[$i][0];
 481         }
 482         for($i = 0; $i < count($this->cc); $i++)
 483         {
 484             if(!$this->smtp->Recipient($this->cc[$i][0]))
 485                 $bad_rcpt[] = $this->cc[$i][0];
 486         }
 487         for($i = 0; $i < count($this->bcc); $i++)
 488         {
 489             if(!$this->smtp->Recipient($this->bcc[$i][0]))
 490                 $bad_rcpt[] = $this->bcc[$i][0];
 491         }
 492
 493         if(count($bad_rcpt) > 0) // Create error message
 494         {
 495             for($i = 0; $i < count($bad_rcpt); $i++)
 496             {
 497                 if($i != 0) { $error .= ", "; }
 498                 $error .= $bad_rcpt[$i];
 499             }
 500             $error = $this->Lang("recipients_failed") . $error;
 501             $this->SetError($error);
 502             $this->smtp->Reset();
 503             return false;
 504         }
 505
 506         if(!$this->smtp->Data($header . $body))
 507         {
 508             $this->SetError($this->Lang("data_not_accepted"));
 509             $this->smtp->Reset();
 510             return false;
 511         }
 512         if($this->SMTPKeepAlive == true)
 513             $this->smtp->Reset();
 514         else
 515             $this->SmtpClose();
 516
 517         return true;
 518     }
 519
 520     /**
 521      * Initiates a connection to an SMTP server.  Returns false if the
 522      * operation failed.
 523      * @access private
 524      * @return bool
 525      */
 526     function SmtpConnect() {
 527         if($this->smtp == NULL) { $this->smtp = new SMTP(); }
 528
 529         $this->smtp->do_debug = $this->SMTPDebug;
 530         $hosts = explode(";", $this->Host);
 531         $index = 0;
 532         $connection = ($this->smtp->Connected());
 533
 534         // Retry while there is no connection
 535         while($index < count($hosts) && $connection == false)
 536         {
 537             if(strstr($hosts[$index], ":"))
 538                 list($host, $port) = explode(":", $hosts[$index]);
 539             else
 540             {
 541                 $host = $hosts[$index];
 542                 $port = $this->Port;
 543             }
 544
 545             if($this->smtp->Connect($host, $port, $this->Timeout))
 546             {
 547                 if ($this->Helo != '')
 548                     $this->smtp->Hello($this->Helo);
 549                 else
 550                     $this->smtp->Hello($this->ServerHostname());
 551
 552                 if($this->SMTPAuth)
 553                 {
 554                     if(!$this->smtp->Authenticate($this->Username,
 555                                                   $this->Password))
 556                     {
 557                         $this->SetError($this->Lang("authenticate"));
 558                         $this->smtp->Reset();
 559                         $connection = false;
 560                     }
 561                 }
 562                 $connection = true;
 563             }
 564             $index++;
 565         }
 566         if(!$connection)
 567             $this->SetError($this->Lang("connect_host"));
 568
 569         return $connection;
 570     }
 571
 572     /**
 573      * Closes the active SMTP session if one exists.
 574      * @return void
 575      */
 576     function SmtpClose() {
 577         if($this->smtp != NULL)
 578         {
 579             if($this->smtp->Connected())
 580             {
 581                 $this->smtp->Quit();
 582                 $this->smtp->Close();
 583             }
 584         }
 585     }
 586
 587     /**
 588      * Sets the language for all class error messages.  Returns false
 589      * if it cannot load the language file.  The default language type
 590      * is English.
 591      * @param string $lang_type Type of language (e.g. Portuguese: "br")
 592      * @param string $lang_path Path to the language file directory
 593      * @access public
 594      * @return bool
 595      */
 596     function SetLanguage($lang_type, $lang_path = "language/") {
 597         if(file_exists($lang_path.'phpmailer.lang-'.$lang_type.'.php'))
 598             include($lang_path.'phpmailer.lang-'.$lang_type.'.php');
 599         else if(file_exists($lang_path.'phpmailer.lang-en.php'))
 600             include($lang_path.'phpmailer.lang-en.php');
 601         else
 602         {
 603             $this->SetError("Could not load language file");
 604             return false;
 605         }
 606         $this->language = $PHPMAILER_LANG;
 607
 608         return true;
 609     }
 610
 611     /////////////////////////////////////////////////
 612     // MESSAGE CREATION METHODS
 613     /////////////////////////////////////////////////
 614
 615     /**
 616      * Creates recipient headers.
 617      * @access private
 618      * @return string
 619      */
 620     function AddrAppend($type, $addr) {
 621         $addr_str = $type . ": ";
 622         $addr_str .= $this->AddrFormat($addr[0]);
 623         if(count($addr) > 1)
 624         {
 625             for($i = 1; $i < count($addr); $i++)
 626                 $addr_str .= ", " . $this->AddrFormat($addr[$i]);
 627         }
 628         $addr_str .= $this->LE;
 629
 630         return $addr_str;
 631     }
 632
 633     /**
 634      * Formats an address correctly.
 635      * @access private
 636      * @return string
 637      */
 638     function AddrFormat($addr) {
 639         if(empty($addr[1]))
 640             $formatted = $addr[0];
 641         else
 642         {
 643             $formatted = $this->EncodeHeader($addr[1], 'phrase') . " <" .
 644                          $addr[0] . ">";
 645         }
 646
 647         return $formatted;
 648     }
 649
 650     /**
 651      * Wraps message for use with mailers that do not
 652      * automatically perform wrapping and for quoted-printable.
 653      * Original written by philippe.
 654      * @access private
 655      * @return string
 656      */
 657     function WrapText($message, $length, $qp_mode = false) {
 658         $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
 659
 660         $message = $this->FixEOL($message);
 661         if (substr($message, -1) == $this->LE)
 662             $message = substr($message, 0, -1);
 663
 664         $line = explode($this->LE, $message);
 665         $message = "";
 666         for ($i=0 ;$i < count($line); $i++)
 667         {
 668           $line_part = explode(" ", $line[$i]);
 669           $buf = "";
 670           for ($e = 0; $e<count($line_part); $e++)
 671           {
 672               $word = $line_part[$e];
 673               if ($qp_mode and (strlen($word) > $length))
 674               {
 675                 $space_left = $length - strlen($buf) - 1;
 676                 if ($e != 0)
 677                 {
 678                     if ($space_left > 20)
 679                     {
 680                         $len = $space_left;
 681                         if (substr($word, $len - 1, 1) == "=")
 682                           $len--;
 683                         elseif (substr($word, $len - 2, 1) == "=")
 684                           $len -= 2;
 685                         $part = substr($word, 0, $len);
 686                         $word = substr($word, $len);
 687                         $buf .= " " . $part;
 688                         $message .= $buf . sprintf("=%s", $this->LE);
 689                     }
 690                     else
 691                     {
 692                         $message .= $buf . $soft_break;
 693                     }
 694                     $buf = "";
 695                 }
 696                 while (strlen($word) > 0)
 697                 {
 698                     $len = $length;
 699                     if (substr($word, $len - 1, 1) == "=")
 700                         $len--;
 701                     elseif (substr($word, $len - 2, 1) == "=")
 702                         $len -= 2;
 703                     $part = substr($word, 0, $len);
 704                     $word = substr($word, $len);
 705
 706                     if (strlen($word) > 0)
 707                         $message .= $part . sprintf("=%s", $this->LE);
 708                     else
 709                         $buf = $part;
 710                 }
 711               }
 712               else
 713               {
 714                 $buf_o = $buf;
 715                 $buf .= ($e == 0) ? $word : (" " . $word);
 716
 717                 if (strlen($buf) > $length and $buf_o != "")
 718                 {
 719                     $message .= $buf_o . $soft_break;
 720                     $buf = $word;
 721                 }
 722               }
 723           }
 724           $message .= $buf . $this->LE;
 725         }
 726
 727         return $message;
 728     }
 729
 730     /**
 731      * Set the body wrapping.
 732      * @access private
 733      * @return void
 734      */
 735     function SetWordWrap() {
 736         if($this->WordWrap < 1)
 737             return;
 738
 739         switch($this->message_type)
 740         {
 741            case "alt":
 742               // fall through
 743            case "alt_attachments":
 744               $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
 745               break;
 746            default:
 747               $this->Body = $this->WrapText($this->Body, $this->WordWrap);
 748               break;
 749         }
 750     }
 751
 752     /**
 753      * Assembles message header.
 754      * @access private
 755      * @return string
 756      */
 757     function CreateHeader() {
 758         $result = "";
 759
 760         // Set the boundaries
 761         $uniq_id = md5(uniqid(time()));
 762         $this->boundary[1] = "b1_" . $uniq_id;
 763         $this->boundary[2] = "b2_" . $uniq_id;
 764
 765         $result .= $this->HeaderLine("Date", $this->RFCDate());
 766         if($this->Sender == "")
 767             $result .= $this->HeaderLine("Return-Path", trim($this->From));
 768         else
 769             $result .= $this->HeaderLine("Return-Path", trim($this->Sender));
 770
 771         // To be created automatically by mail()
 772         if($this->Mailer != "mail")
 773         {
 774             if(count($this->to) > 0)
 775                 $result .= $this->AddrAppend("To", $this->to);
 776             else if (count($this->cc) == 0)
 777                 $result .= $this->HeaderLine("To", "undisclosed-recipients:;");
 778             if(count($this->cc) > 0)
 779                 $result .= $this->AddrAppend("Cc", $this->cc);
 780         }
 781
 782         $from = array();
 783         $from[0][0] = trim($this->From);
 784         $from[0][1] = $this->FromName;
 785         $result .= $this->AddrAppend("From", $from);
 786
 787         // sendmail and mail() extract Bcc from the header before sending
 788         if((($this->Mailer == "sendmail") || ($this->Mailer == "mail")) && (count($this->bcc) > 0))
 789             $result .= $this->AddrAppend("Bcc", $this->bcc);
 790
 791         if(count($this->ReplyTo) > 0)
 792             $result .= $this->AddrAppend("Reply-to", $this->ReplyTo);
 793
 794         // mail() sets the subject itself
 795         if($this->Mailer != "mail")
 796             $result .= $this->HeaderLine("Subject", $this->EncodeHeader(trim($this->Subject)));
 797
 798         $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
 799         $result .= $this->HeaderLine("X-Priority", $this->Priority);
 800         $result .= $this->HeaderLine("X-Mailer", "PHPMailer [version " . $this->Version . "]");
 801
 802         if($this->ConfirmReadingTo != "")
 803         {
 804             $result .= $this->HeaderLine("Disposition-Notification-To",
 805                        "<" . trim($this->ConfirmReadingTo) . ">");
 806         }
 807
 808         // Add custom headers
 809         for($index = 0; $index < count($this->CustomHeader); $index++)
 810         {
 811             $result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]),
 812                        $this->EncodeHeader(trim($this->CustomHeader[$index][1])));
 813         }
 814         $result .= $this->HeaderLine("MIME-Version", "1.0");
 815
 816         switch($this->message_type)
 817         {
 818             case "plain":
 819                 $result .= $this->HeaderLine("Content-Transfer-Encoding", $this->Encoding);
 820                 $result .= sprintf("Content-Type: %s; charset=\"%s\"",
 821                                     $this->ContentType, $this->CharSet);
 822                 break;
 823             case "attachments":
 824                 // fall through
 825             case "alt_attachments":
 826                 if($this->InlineImageExists())
 827                 {
 828                     $result .= sprintf("Content-Type: %s;%s\ttype=\"text/html\";%s\tboundary=\"%s\"%s",
 829                                     "multipart/related", $this->LE, $this->LE,
 830                                     $this->boundary[1], $this->LE);
 831                 }
 832                 else
 833                 {
 834                     $result .= $this->HeaderLine("Content-Type", "multipart/mixed;");
 835                     $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
 836                 }
 837                 break;
 838             case "alt":
 839                 $result .= $this->HeaderLine("Content-Type", "multipart/alternative;");
 840                 $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
 841                 break;
 842         }
 843
 844         if($this->Mailer != "mail")
 845             $result .= $this->LE.$this->LE;
 846
 847         return $result;
 848     }
 849
 850     /**
 851      * Assembles the message body.  Returns an empty string on failure.
 852      * @access private
 853      * @return string
 854      */
 855     function CreateBody() {
 856         $result = "";
 857
 858         $this->SetWordWrap();
 859
 860         switch($this->message_type)
 861         {
 862             case "alt":
 863                 $result .= $this->GetBoundary($this->boundary[1], "",
 864                                               "text/plain", "");
 865                 $result .= $this->EncodeString($this->AltBody, $this->Encoding);
 866                 $result .= $this->LE.$this->LE;
 867                 $result .= $this->GetBoundary($this->boundary[1], "",
 868                                               "text/html", "");
 869
 870                 $result .= $this->EncodeString($this->Body, $this->Encoding);
 871                 $result .= $this->LE.$this->LE;
 872
 873                 $result .= $this->EndBoundary($this->boundary[1]);
 874                 break;
 875             case "plain":
 876                 $result .= $this->EncodeString($this->Body, $this->Encoding);
 877                 break;
 878             case "attachments":
 879                 $result .= $this->GetBoundary($this->boundary[1], "", "", "");
 880                 $result .= $this->EncodeString($this->Body, $this->Encoding);
 881                 $result .= $this->LE;
 882
 883                 $result .= $this->AttachAll();
 884                 break;
 885             case "alt_attachments":
 886                 $result .= sprintf("--%s%s", $this->boundary[1], $this->LE);
 887                 $result .= sprintf("Content-Type: %s;%s" .
 888                                    "\tboundary=\"%s\"%s",
 889                                    "multipart/alternative", $this->LE,
 890                                    $this->boundary[2], $this->LE.$this->LE);
 891
 892                 // Create text body
 893                 $result .= $this->GetBoundary($this->boundary[2], "",
 894                                               "text/plain", "") . $this->LE;
 895
 896                 $result .= $this->EncodeString($this->AltBody, $this->Encoding);
 897                 $result .= $this->LE.$this->LE;
 898
 899                 // Create the HTML body
 900                 $result .= $this->GetBoundary($this->boundary[2], "",
 901                                               "text/html", "") . $this->LE;
 902
 903                 $result .= $this->EncodeString($this->Body, $this->Encoding);
 904                 $result .= $this->LE.$this->LE;
 905
 906                 $result .= $this->EndBoundary($this->boundary[2]);
 907
 908                 $result .= $this->AttachAll();
 909                 break;
 910         }
 911         if($this->IsError())
 912             $result = "";
 913
 914         return $result;
 915     }
 916
 917     /**
 918      * Returns the start of a message boundary.
 919      * @access private
 920      */
 921     function GetBoundary($boundary, $charSet, $contentType, $encoding) {
 922         $result = "";
 923         if($charSet == "") { $charSet = $this->CharSet; }
 924         if($contentType == "") { $contentType = $this->ContentType; }
 925         if($encoding == "") { $encoding = $this->Encoding; }
 926
 927         $result .= $this->TextLine("--" . $boundary);
 928         $result .= sprintf("Content-Type: %s; charset = \"%s\"",
 929                             $contentType, $charSet);
 930         $result .= $this->LE;
 931         $result .= $this->HeaderLine("Content-Transfer-Encoding", $encoding);
 932         $result .= $this->LE;
 933
 934         return $result;
 935     }
 936
 937     /**
 938      * Returns the end of a message boundary.
 939      * @access private
 940      */
 941     function EndBoundary($boundary) {
 942         return $this->LE . "--" . $boundary . "--" . $this->LE;
 943     }
 944
 945     /**
 946      * Sets the message type.
 947      * @access private
 948      * @return void
 949      */
 950     function SetMessageType() {
 951         if(count($this->attachment) < 1 && strlen($this->AltBody) < 1)
 952             $this->message_type = "plain";
 953         else
 954         {
 955             if(count($this->attachment) > 0)
 956                 $this->message_type = "attachments";
 957             if(strlen($this->AltBody) > 0 && count($this->attachment) < 1)
 958                 $this->message_type = "alt";
 959             if(strlen($this->AltBody) > 0 && count($this->attachment) > 0)
 960                 $this->message_type = "alt_attachments";
 961         }
 962     }
 963
 964     /**
 965      * Returns a formatted header line.
 966      * @access private
 967      * @return string
 968      */
 969     function HeaderLine($name, $value) {
 970         return $name . ": " . $value . $this->LE;
 971     }
 972
 973     /**
 974      * Returns a formatted mail line.
 975      * @access private
 976      * @return string
 977      */
 978     function TextLine($value) {
 979         return $value . $this->LE;
 980     }
 981
 982     /////////////////////////////////////////////////
 983     // ATTACHMENT METHODS
 984     /////////////////////////////////////////////////
 985
 986     /**
 987      * Adds an attachment from a path on the filesystem.
 988      * Returns false if the file could not be found
 989      * or accessed.
 990      * @param string $path Path to the attachment.
 991      * @param string $name Overrides the attachment name.
 992      * @param string $encoding File encoding (see $Encoding).
 993      * @param string $type File extension (MIME) type.
 994      * @return bool
 995      */
 996     function AddAttachment($path, $name = "", $encoding = "base64",
 997                            $type = "application/octet-stream") {
 998         if(!@is_file($path))
 999         {
1000             $this->SetError($this->Lang("file_access") . $path);
1001             return false;
1002         }
1003
1004         $filename = basename($path);
1005         if($name == "")
1006             $name = $filename;
1007
1008         $cur = count($this->attachment);
1009         $this->attachment[$cur][0] = $path;
1010         $this->attachment[$cur][1] = $filename;
1011         $this->attachment[$cur][2] = $name;
1012         $this->attachment[$cur][3] = $encoding;
1013         $this->attachment[$cur][4] = $type;
1014         $this->attachment[$cur][5] = false; // isStringAttachment
1015         $this->attachment[$cur][6] = "attachment";
1016         $this->attachment[$cur][7] = 0;
1017
1018         return true;
1019     }
1020
1021     /**
1022      * Attaches all fs, string, and binary attachments to the message.
1023      * Returns an empty string on failure.
1024      * @access private
1025      * @return string
1026      */
1027     function AttachAll() {
1028         // Return text of body
1029         $mime = array();
1030
1031         // Add all attachments
1032         for($i = 0; $i < count($this->attachment); $i++)
1033         {
1034             // Check for string attachment
1035             $bString = $this->attachment[$i][5];
1036             if ($bString)
1037                 $string = $this->attachment[$i][0];
1038             else
1039                 $path = $this->attachment[$i][0];
1040
1041             $filename    = $this->attachment[$i][1];
1042             $name        = $this->attachment[$i][2];
1043             $encoding    = $this->attachment[$i][3];
1044             $type        = $this->attachment[$i][4];
1045             $disposition = $this->attachment[$i][6];
1046             $cid         = $this->attachment[$i][7];
1047
1048             $mime[] = sprintf("--%s%s", $this->boundary[1], $this->LE);
1049             $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $name, $this->LE);
1050             $mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);
1051
1052             if($disposition == "inline")
1053                 $mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);
1054
1055             $mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s",
1056                               $disposition, $name, $this->LE.$this->LE);
1057
1058             // Encode as string attachment
1059             if($bString)
1060             {
1061                 $mime[] = $this->EncodeString($string, $encoding);
1062                 if($this->IsError()) { return ""; }
1063                 $mime[] = $this->LE.$this->LE;
1064             }
1065             else
1066             {
1067                 $mime[] = $this->EncodeFile($path, $encoding);
1068                 if($this->IsError()) { return ""; }
1069                 $mime[] = $this->LE.$this->LE;
1070             }
1071         }
1072
1073         $mime[] = sprintf("--%s--%s", $this->boundary[1], $this->LE);
1074
1075         return join("", $mime);
1076     }
1077
1078     /**
1079      * Encodes attachment in requested format.  Returns an
1080      * empty string on failure.
1081      * @access private
1082      * @return string
1083      */
1084     function EncodeFile ($path, $encoding = "base64") {
1085         if(!@$fd = fopen($path, "rb"))
1086         {
1087             $this->SetError($this->Lang("file_open") . $path);
1088             return "";
1089         }
1090         $magic_quotes = get_magic_quotes_runtime();
1091         set_magic_quotes_runtime(0);
1092         $file_buffer = fread($fd, filesize($path));
1093         $file_buffer = $this->EncodeString($file_buffer, $encoding);
1094         fclose($fd);
1095         set_magic_quotes_runtime($magic_quotes);
1096
1097         return $file_buffer;
1098     }
1099
1100     /**
1101      * Encodes string to requested format. Returns an
1102      * empty string on failure.
1103      * @access private
1104      * @return string
1105      */
1106     function EncodeString ($str, $encoding = "base64") {
1107         $encoded = "";
1108         switch(strtolower($encoding)) {
1109           case "base64":
1110               // chunk_split is found in PHP >= 3.0.6
1111               $encoded = chunk_split(base64_encode($str), 76, $this->LE);
1112               break;
1113           case "7bit":
1114           case "8bit":
1115               $encoded = $this->FixEOL($str);
1116               if (substr($encoded, -(strlen($this->LE))) != $this->LE)
1117                 $encoded .= $this->LE;
1118               break;
1119           case "binary":
1120               $encoded = $str;
1121               break;
1122           case "quoted-printable":
1123               $encoded = $this->EncodeQP($str);
1124               break;
1125           default:
1126               $this->SetError($this->Lang("encoding") . $encoding);
1127               break;
1128         }
1129         return $encoded;
1130     }
1131
1132     /**
1133      * Encode a header string to best of Q, B, quoted or none.
1134      * @access private
1135      * @return string
1136      */
1137     function EncodeHeader ($str, $position = 'text') {
1138       $x = 0;
1139
1140       switch (strtolower($position)) {
1141         case 'phrase':
1142           if (!preg_match('/[\200-\377]/', $str)) {
1143             // Can't use addslashes as we don't know what value has magic_quotes_sybase.
1144             $encoded = addcslashes($str, "\0..\37\177\\\"");
1145
1146             if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str))
1147               return ($encoded);
1148             else
1149               return ("\"$encoded\"");
1150           }
1151           $x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
1152           break;
1153         case 'comment':
1154           $x = preg_match_all('/[()"]/', $str, $matches);
1155           // Fall-through
1156         case 'text':
1157         default:
1158           $x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
1159           break;
1160       }
1161
1162       if ($x == 0)
1163         return ($str);
1164
1165       $maxlen = 75 - 7 - strlen($this->CharSet);
1166       // Try to select the encoding which should produce the shortest output
1167       if (strlen($str)/3 < $x) {
1168         $encoding = 'B';
1169         $encoded = base64_encode($str);
1170         $maxlen -= $maxlen % 4;
1171         $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
1172       } else {
1173         $encoding = 'Q';
1174         $encoded = $this->EncodeQ($str, $position);
1175         $encoded = $this->WrapText($encoded, $maxlen, true);
1176         $encoded = str_replace("=".$this->LE, "\n", trim($encoded));
1177       }
1178
1179       $encoded = preg_replace('/^(.*)$/m', " =?".$this->CharSet."?$encoding?\\1?=", $encoded);
1180       $encoded = trim(str_replace("\n", $this->LE, $encoded));
1181
1182       return $encoded;
1183     }
1184
1185     /**
1186      * Encode string to quoted-printable.
1187      * @access private
1188      * @return string
1189      */
1190     function EncodeQP ($str) {
1191         $encoded = $this->FixEOL($str);
1192         if (substr($encoded, -(strlen($this->LE))) != $this->LE)
1193             $encoded .= $this->LE;
1194
1195         // Replace every high ascii, control and = characters
1196         $encoded = preg_replace('/([\000-\010\013\014\016-\037\075\177-\377])/e',
1197                   "'='.sprintf('%02X', ord('\\1'))", $encoded);
1198         // Replace every spaces and tabs when it's the last character on a line
1199         $encoded = preg_replace("/([\011\040])".$this->LE."/e",
1200                   "'='.sprintf('%02X', ord('\\1')).'".$this->LE."'", $encoded);
1201
1202         // Maximum line length of 76 characters before CRLF (74 + space + '=')
1203         $encoded = $this->WrapText($encoded, 74, true);
1204
1205         return $encoded;
1206     }
1207
1208     /**
1209      * Encode string to q encoding.
1210      * @access private
1211      * @return string
1212      */
1213     function EncodeQ ($str, $position = "text") {
1214         // There should not be any EOL in the string
1215         $encoded = preg_replace("[\r\n]", "", $str);
1216
1217         switch (strtolower($position)) {
1218           case "phrase":
1219             $encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
1220             break;
1221           case "comment":
1222             $encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
1223           case "text":
1224           default:
1225             // Replace every high ascii, control =, ? and _ characters
1226             $encoded = preg_replace('/([\000-\011\013\014\016-\037\075\077\137\177-\377])/e',
1227                   "'='.sprintf('%02X', ord('\\1'))", $encoded);
1228             break;
1229         }
1230
1231         // Replace every spaces to _ (more readable than =20)
1232         $encoded = str_replace(" ", "_", $encoded);
1233
1234         return $encoded;
1235     }
1236
1237     /**
1238      * Adds a string or binary attachment (non-filesystem) to the list.
1239      * This method can be used to attach ascii or binary data,
1240      * such as a BLOB record from a database.
1241      * @param string $string String attachment data.
1242      * @param string $filename Name of the attachment.
1243      * @param string $encoding File encoding (see $Encoding).
1244      * @param string $type File extension (MIME) type.
1245      * @return void
1246      */
1247     function AddStringAttachment($string, $filename, $encoding = "base64",
1248                                  $type = "application/octet-stream") {
1249         // Append to $attachment array
1250         $cur = count($this->attachment);
1251         $this->attachment[$cur][0] = $string;
1252         $this->attachment[$cur][1] = $filename;
1253         $this->attachment[$cur][2] = $filename;
1254         $this->attachment[$cur][3] = $encoding;
1255         $this->attachment[$cur][4] = $type;
1256         $this->attachment[$cur][5] = true; // isString
1257         $this->attachment[$cur][6] = "attachment";
1258         $this->attachment[$cur][7] = 0;
1259     }
1260
1261     /**
1262      * Adds an embedded attachment.  This can include images, sounds, and
1263      * just about any other document.  Make sure to set the $type to an
1264      * image type.  For JPEG images use "image/jpeg" and for GIF images
1265      * use "image/gif".
1266      * @param string $path Path to the attachment.
1267      * @param string $cid Content ID of the attachment.  Use this to identify
1268      *        the Id for accessing the image in an HTML form.
1269      * @param string $name Overrides the attachment name.
1270      * @param string $encoding File encoding (see $Encoding).
1271      * @param string $type File extension (MIME) type.
1272      * @return bool
1273      */
1274     function AddEmbeddedImage($path, $cid, $name = "", $encoding = "base64",
1275                               $type = "application/octet-stream") {
1276
1277         if(!@is_file($path))
1278         {
1279             $this->SetError($this->Lang("file_access") . $path);
1280             return false;
1281         }
1282
1283         $filename = basename($path);
1284         if($name == "")
1285             $name = $filename;
1286
1287         // Append to $attachment array
1288         $cur = count($this->attachment);
1289         $this->attachment[$cur][0] = $path;
1290         $this->attachment[$cur][1] = $filename;
1291         $this->attachment[$cur][2] = $name;
1292         $this->attachment[$cur][3] = $encoding;
1293         $this->attachment[$cur][4] = $type;
1294         $this->attachment[$cur][5] = false; // isStringAttachment
1295         $this->attachment[$cur][6] = "inline";
1296         $this->attachment[$cur][7] = $cid;
1297
1298         return true;
1299     }
1300
1301     /**
1302      * Returns true if an inline attachment is present.
1303      * @access private
1304      * @return bool
1305      */
1306     function InlineImageExists() {
1307         $result = false;
1308         for($i = 0; $i < count($this->attachment); $i++)
1309         {
1310             if($this->attachment[$i][6] == "inline")
1311             {
1312                 $result = true;
1313                 break;
1314             }
1315         }
1316
1317         return $result;
1318     }
1319
1320     /////////////////////////////////////////////////
1321     // MESSAGE RESET METHODS
1322     /////////////////////////////////////////////////
1323
1324     /**
1325      * Clears all recipients assigned in the TO array.  Returns void.
1326      * @return void
1327      */
1328     function ClearAddresses() {
1329         $this->to = array();
1330     }
1331
1332     /**
1333      * Clears all recipients assigned in the CC array.  Returns void.
1334      * @return void
1335      */
1336     function ClearCCs() {
1337         $this->cc = array();
1338     }
1339
1340     /**
1341      * Clears all recipients assigned in the BCC array.  Returns void.
1342      * @return void
1343      */
1344     function ClearBCCs() {
1345         $this->bcc = array();
1346     }
1347
1348     /**
1349      * Clears all recipients assigned in the ReplyTo array.  Returns void.
1350      * @return void
1351      */
1352     function ClearReplyTos() {
1353         $this->ReplyTo = array();
1354     }
1355
1356     /**
1357      * Clears all recipients assigned in the TO, CC and BCC
1358      * array.  Returns void.
1359      * @return void
1360      */
1361     function ClearAllRecipients() {
1362         $this->to = array();
1363         $this->cc = array();
1364         $this->bcc = array();
1365     }
1366
1367     /**
1368      * Clears all previously set filesystem, string, and binary
1369      * attachments.  Returns void.
1370      * @return void
1371      */
1372     function ClearAttachments() {
1373         $this->attachment = array();
1374     }
1375
1376     /**
1377      * Clears all custom headers.  Returns void.
1378      * @return void
1379      */
1380     function ClearCustomHeaders() {
1381         $this->CustomHeader = array();
1382     }
1383
1384
1385     /////////////////////////////////////////////////
1386     // MISCELLANEOUS METHODS
1387     /////////////////////////////////////////////////
1388
1389     /**
1390      * Adds the error message to the error container.
1391      * Returns void.
1392      * @access private
1393      * @return void
1394      */
1395     function SetError($msg) {
1396         $this->error_count++;
1397         $this->ErrorInfo = $msg;
1398     }
1399
1400     /**
1401      * Returns the proper RFC 822 formatted date.
1402      * @access private
1403      * @return string
1404      */
1405     function RFCDate() {
1406         $tz = date("Z");
1407         $tzs = ($tz < 0) ? "-" : "+";
1408         $tz = abs($tz);
1409         $tz = ($tz/3600)*100 + ($tz%3600)/60;
1410         $result = sprintf("%s %s%04d", date("D, j M Y H:i:s"), $tzs, $tz);
1411
1412         return $result;
1413     }
1414
1415     /**
1416      * Returns the appropriate server variable.  Should work with both
1417      * PHP 4.1.0+ as well as older versions.  Returns an empty string
1418      * if nothing is found.
1419      * @access private
1420      * @return mixed
1421      */
1422     function ServerVar($varName) {
1423         global $HTTP_SERVER_VARS;
1424         global $HTTP_ENV_VARS;
1425
1426         if(!isset($_SERVER))
1427         {
1428             $_SERVER = $HTTP_SERVER_VARS;
1429             if(!isset($_SERVER["REMOTE_ADDR"]))
1430                 $_SERVER = $HTTP_ENV_VARS; // must be Apache
1431         }
1432
1433         if(isset($_SERVER[$varName]))
1434             return $_SERVER[$varName];
1435         else
1436             return "";
1437     }
1438
1439     /**
1440      * Returns the server hostname or 'localhost.localdomain' if unknown.
1441      * @access private
1442      * @return string
1443      */
1444     function ServerHostname() {
1445         if ($this->Hostname != "")
1446             $result = $this->Hostname;
1447         elseif ($this->ServerVar('SERVER_NAME') != "")
1448             $result = $this->ServerVar('SERVER_NAME');
1449         else
1450             $result = "localhost.localdomain";
1451
1452         return $result;
1453     }
1454
1455     /**
1456      * Returns a message in the appropriate language.
1457      * @access private
1458      * @return string
1459      */
1460     function Lang($key) {
1461         if(count($this->language) < 1)
1462             $this->SetLanguage("en"); // set the default language
1463
1464         if(isset($this->language[$key]))
1465             return $this->language[$key];
1466         else
1467             return "Language string failed to load: " . $key;
1468     }
1469
1470     /**
1471      * Returns true if an error occurred.
1472      * @return bool
1473      */
1474     function IsError() {
1475         return ($this->error_count > 0);
1476     }
1477
1478     /**
1479      * Changes every end of line from CR or LF to CRLF.
1480      * @access private
1481      * @return string
1482      */
1483     function FixEOL($str) {
1484         $str = str_replace("\r\n", "\n", $str);
1485         $str = str_replace("\r", "\n", $str);
1486         $str = str_replace("\n", $this->LE, $str);
1487         return $str;
1488     }
1489
1490     /**
1491      * Adds a custom header.
1492      * @return void
1493      */
1494     function AddCustomHeader($custom_header) {
1495         $this->CustomHeader[] = explode(":", $custom_header, 2);
1496     }
1497 }
1498
1499 ?>