/ festos/core/class.phpmailer.php

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<?php

/*~ class.phpmailer.php

.---------------------------------------------------------------------------.

|  Software: PHPMailer - PHP email class                                    |

|   Version: 2.0.0 rc3                                                      |

|   Contact: via sourceforge.net support pages (also www.codeworxtech.com)  |

|      Info: http://phpmailer.sourceforge.net                               |

|   Support: http://sourceforge.net/projects/phpmailer/                     |

| ------------------------------------------------------------------------- |

|    Author: Andy Prevost (project admininistrator)                         |

|    Author: Brent R. Matzelle (original founder)                           |

| Copyright (c) 2004-2007, Andy Prevost. All Rights Reserved.               |

| Copyright (c) 2001-2003, Brent R. Matzelle                                |

| ------------------------------------------------------------------------- |

|   License: Distributed under the Lesser General Public License (LGPL)     |

|            http://www.gnu.org/copyleft/lesser.html                        |

| This program is distributed in the hope that it will be useful - WITHOUT  |

| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     |

| FITNESS FOR A PARTICULAR PURPOSE.                                         |

| ------------------------------------------------------------------------- |

| We offer a number of paid services (www.codeworxtech.com):                |

| - Web Hosting on highly optimized fast and secure servers                 |

| - Technology Consulting                                                   |

| - Oursourcing (highly qualified programmers and graphic designers)        |

'---------------------------------------------------------------------------'



/**

 * PHPMailer - PHP email transport class

 * @package PHPMailer

 * @author Andy Prevost

 * @copyright 2004 - 2007 Andy Prevost

 */



class PHPMailer {



  /////////////////////////////////////////////////

  // PROPERTIES, PUBLIC

  /////////////////////////////////////////////////



  /**

   * Email priority (1 = High, 3 = Normal, 5 = low).

   * @var int

   */

  var $Priority          = 3;



  /**

   * Sets the CharSet of the message.

   * @var string

   */

  var $CharSet           = 'iso-8859-1';



  /**

   * Sets the Content-type of the message.

   * @var string

   */

  var $ContentType        = 'text/plain';



  /**

   * Sets the Encoding of the message. Options for this are "8bit",

   * "7bit", "binary", "base64", and "quoted-printable".

   * @var string

   */

  var $Encoding          = '8bit';



  /**

   * Holds the most recent mailer error message.

   * @var string

   */

  var $ErrorInfo         = '';



  /**

   * Sets the From email address for the message.

   * @var string

   */

  var $From              = 'root@localhost';



  /**

   * Sets the From name of the message.

   * @var string

   */

  var $FromName          = 'Root User';



  /**

   * Sets the Sender email (Return-Path) of the message.  If not empty,

   * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.

   * @var string

   */

  var $Sender            = '';



  /**

   * Sets the Subject of the message.

   * @var string

   */

  var $Subject           = '';



  /**

   * Sets the Body of the message.  This can be either an HTML or text body.

   * If HTML then run IsHTML(true).

   * @var string

   */

  var $Body              = '';



  /**

   * Sets the text-only body of the message.  This automatically sets the

   * email to multipart/alternative.  This body can be read by mail

   * clients that do not have HTML email capability such as mutt. Clients

   * that can read HTML will view the normal Body.

   * @var string

   */

  var $AltBody           = '';



  /**

   * Sets word wrapping on the body of the message to a given number of

   * characters.

   * @var int

   */

  var $WordWrap          = 0;



  /**

   * Method to send mail: ("mail", "sendmail", or "smtp").

   * @var string

   */

  var $Mailer            = 'mail';



  /**

   * Sets the path of the sendmail program.

   * @var string

   */

  var $Sendmail          = '/usr/sbin/sendmail';



  /**

   * Path to PHPMailer plugins.  This is now only useful if the SMTP class

   * is in a different directory than the PHP include path.

   * @var string

   */

  var $PluginDir         = '';



  /**

   * Holds PHPMailer version.

   * @var string

   */

  var $Version           = "2.0.0 rc3";



  /**

   * Sets the email address that a reading confirmation will be sent.

   * @var string

   */

  var $ConfirmReadingTo  = '';



  /**

   * Sets the hostname to use in Message-Id and Received headers

   * and as default HELO string. If empty, the value returned

   * by SERVER_NAME is used or 'localhost.localdomain'.

   * @var string

   */

  var $Hostname          = '';



  /////////////////////////////////////////////////

  // PROPERTIES FOR SMTP

  /////////////////////////////////////////////////



  /**

   * Sets the SMTP hosts.  All hosts must be separated by a

   * semicolon.  You can also specify a different port

   * for each host by using this format: [hostname:port]

   * (e.g. "smtp1.example.com:25;smtp2.example.com").

   * Hosts will be tried in order.

   * @var string

   */

  var $Host        = 'localhost';



  /**

   * Sets the default SMTP server port.

   * @var int

   */

  var $Port        = 25;



  /**

   * Sets the SMTP HELO of the message (Default is $Hostname).

   * @var string

   */

  var $Helo        = '';



  /**

   * Sets connection prefix.

   * Options are "", "ssl" or "tls"

   * @var string

   */

  var $SMTPSecure = "";



  /**

   * Sets SMTP authentication. Utilizes the Username and Password variables.

   * @var bool

   */

  var $SMTPAuth     = false;



  /**

   * Sets SMTP username.

   * @var string

   */

  var $Username     = '';



  /**

   * Sets SMTP password.

   * @var string

   */

  var $Password     = '';



  /**

   * Sets the SMTP server timeout in seconds. This function will not

   * work with the win32 version.

   * @var int

   */

  var $Timeout      = 10;



  /**

   * Sets SMTP class debugging on or off.

   * @var bool

   */

  var $SMTPDebug    = false;



  /**

   * Prevents the SMTP connection from being closed after each mail

   * sending.  If this is set to true then to close the connection

   * requires an explicit call to SmtpClose().

   * @var bool

   */

  var $SMTPKeepAlive = false;



  /**

   * Provides the ability to have the TO field process individual

   * emails, instead of sending to entire TO addresses

   * @var bool

   */

  var $SingleTo = false;



  /////////////////////////////////////////////////

  // PROPERTIES, PRIVATE

  /////////////////////////////////////////////////



  var $smtp            = NULL;

  var $to              = array();

  var $cc              = array();

  var $bcc             = array();

  var $ReplyTo         = array();

  var $attachment      = array();

  var $CustomHeader    = array();

  var $message_type    = '';

  var $boundary        = array();

  var $language        = array();

  var $error_count     = 0;

  var $LE              = "\n";



  /////////////////////////////////////////////////

  // METHODS, VARIABLES

  /////////////////////////////////////////////////



  /**

   * Sets message type to HTML.

   * @param bool $bool

   * @return void

   */

  function IsHTML($bool) {

    if($bool == true) {

      $this->ContentType = 'text/html';

    } else {

      $this->ContentType = 'text/plain';

    }

  }



  /**

   * Sets Mailer to send message using SMTP.

   * @return void

   */

  function IsSMTP() {

    $this->Mailer = 'smtp';

  }



  /**

   * Sets Mailer to send message using PHP mail() function.

   * @return void

   */

  function IsMail() {

    $this->Mailer = 'mail';

  }



  /**

   * Sets Mailer to send message using the $Sendmail program.

   * @return void

   */

  function IsSendmail() {

    $this->Mailer = 'sendmail';

  }



  /**

   * Sets Mailer to send message using the qmail MTA.

   * @return void

   */

  function IsQmail() {

    $this->Sendmail = '/var/qmail/bin/sendmail';

    $this->Mailer = 'sendmail';

  }



  /////////////////////////////////////////////////

  // METHODS, RECIPIENTS

  /////////////////////////////////////////////////



  /**

   * Adds a "To" address.

   * @param string $address

   * @param string $name

   * @return void

   */

  function AddAddress($address, $name = '') {

    $cur = count($this->to);

    $this->to[$cur][0] = trim($address);

    $this->to[$cur][1] = $name;

  }



  /**

   * Adds a "Cc" address. Note: this function works

   * with the SMTP mailer on win32, not with the "mail"

   * mailer.

   * @param string $address

   * @param string $name

   * @return void

   */

  function AddCC($address, $name = '') {

    $cur = count($this->cc);

    $this->cc[$cur][0] = trim($address);

    $this->cc[$cur][1] = $name;

  }



  /**

   * Adds a "Bcc" address. Note: this function works

   * with the SMTP mailer on win32, not with the "mail"

   * mailer.

   * @param string $address

   * @param string $name

   * @return void

   */

  function AddBCC($address, $name = '') {

    $cur = count($this->bcc);

    $this->bcc[$cur][0] = trim($address);

    $this->bcc[$cur][1] = $name;

  }



  /**

   * Adds a "Reply-To" address.

   * @param string $address

   * @param string $name

   * @return void

   */

  function AddReplyTo($address, $name = '') {

    $cur = count($this->ReplyTo);

    $this->ReplyTo[$cur][0] = trim($address);

    $this->ReplyTo[$cur][1] = $name;

  }



  /////////////////////////////////////////////////

  // METHODS, MAIL SENDING

  /////////////////////////////////////////////////



  /**

   * Creates message and assigns Mailer. If the message is

   * not sent successfully then it returns false.  Use the ErrorInfo

   * variable to view description of the error.

   * @return bool

   */

  function Send() {

    $header = '';

    $body = '';

    $result = true;



    if((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {

      $this->SetError($this->Lang('provide_address'));

      return false;

    }



    /* Set whether the message is multipart/alternative */

    if(!empty($this->AltBody)) {

      $this->ContentType = 'multipart/alternative';

    }



    $this->error_count = 0; // reset errors

    $this->SetMessageType();

    $header .= $this->CreateHeader();

    $body = $this->CreateBody();



    if($body == '') {

      return false;

    }



    /* Choose the mailer */

    switch($this->Mailer) {

      case 'sendmail':

        $result = $this->SendmailSend($header, $body);

        break;

      case 'smtp':

        $result = $this->SmtpSend($header, $body);

        break;

      case 'mail':

        $result = $this->MailSend($header, $body);

        break;

      default:

        $result = $this->MailSend($header, $body);

        break;

        //$this->SetError($this->Mailer . $this->Lang('mailer_not_supported'));

        //$result = false;

        //break;

    }



    return $result;

  }



  /**

   * Sends mail using the $Sendmail program.

   * @access private

   * @return bool

   */

  function SendmailSend($header, $body) {

    if ($this->Sender != '') {

      $sendmail = sprintf("%s -oi -f %s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));

    } else {

      $sendmail = sprintf("%s -oi -t", escapeshellcmd($this->Sendmail));

    }



    if(!@$mail = popen($sendmail, 'w')) {

      $this->SetError($this->Lang('execute') . $this->Sendmail);

      return false;

    }



    fputs($mail, $header);

    fputs($mail, $body);



    $result = pclose($mail) >> 8 & 0xFF;

    if($result != 0) {

      $this->SetError($this->Lang('execute') . $this->Sendmail);

      return false;

    }



    return true;

  }



  /**

   * Sends mail using the PHP mail() function.

   * @access private

   * @return bool

   */

  function MailSend($header, $body) {



    $to = '';

    for($i = 0; $i < count($this->to); $i++) {

      if($i != 0) { $to .= ', '; }

      $to .= $this->AddrFormat($this->to[$i]);

    }



    $toArr = split(',', $to);



    if ($this->Sender != '' && strlen(ini_get('safe_mode'))< 1) {

      $old_from = ini_get('sendmail_from');

      ini_set('sendmail_from', $this->Sender);

      $params = sprintf("-oi -f %s", $this->Sender);

      if ($this->SingleTo === true && count($toArr) > 1) {

        foreach ($toArr as $key => $val) {

          $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);

        }

      } else {

        $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);

      }

    } else {

      if ($this->SingleTo === true && count($toArr) > 1) {

        foreach ($toArr as $key => $val) {

          $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);

        }

      } else {

        $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header);

      }

    }



    if (isset($old_from)) {

      ini_set('sendmail_from', $old_from);

    }



    if(!$rt) {

      $this->SetError($this->Lang('instantiate'));

      return false;

    }



    return true;

  }



  /**

   * Sends mail via SMTP using PhpSMTP (Author:

   * Chris Ryan).  Returns bool.  Returns false if there is a

   * bad MAIL FROM, RCPT, or DATA input.

   * @access private

   * @return bool

   */

  function SmtpSend($header, $body) {

    include_once($this->PluginDir . 'class.smtp.php');

    $error = '';

    $bad_rcpt = array();



    if(!$this->SmtpConnect()) {

      return false;

    }



    $smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;

    if(!$this->smtp->Mail($smtp_from)) {

      $error = $this->Lang('from_failed') . $smtp_from;

      $this->SetError($error);

      $this->smtp->Reset();

      return false;

    }



    /* Attempt to send attach all recipients */

    for($i = 0; $i < count($this->to); $i++) {

      if(!$this->smtp->Recipient($this->to[$i][0])) {

        $bad_rcpt[] = $this->to[$i][0];

      }

    }

    for($i = 0; $i < count($this->cc); $i++) {

      if(!$this->smtp->Recipient($this->cc[$i][0])) {

        $bad_rcpt[] = $this->cc[$i][0];

      }

    }

    for($i = 0; $i < count($this->bcc); $i++) {

      if(!$this->smtp->Recipient($this->bcc[$i][0])) {

        $bad_rcpt[] = $this->bcc[$i][0];

      }

    }



    if(count($bad_rcpt) > 0) { // Create error message

      for($i = 0; $i < count($bad_rcpt); $i++) {

        if($i != 0) {

          $error .= ', ';

        }

        $error .= $bad_rcpt[$i];

      }

      $error = $this->Lang('recipients_failed') . $error;

      $this->SetError($error);

      $this->smtp->Reset();

      return false;

    }



    if(!$this->smtp->Data($header . $body)) {

      $this->SetError($this->Lang('data_not_accepted'));

      $this->smtp->Reset();

      return false;

    }

    if($this->SMTPKeepAlive == true) {

      $this->smtp->Reset();

    } else {

      $this->SmtpClose();

    }



    return true;

  }



  /**

   * Initiates a connection to an SMTP server.  Returns false if the

   * operation failed.

   * @access private

   * @return bool

   */

  function SmtpConnect() {

    if($this->smtp == NULL) {

      $this->smtp = new SMTP();

    }



    $this->smtp->do_debug = $this->SMTPDebug;

    $hosts = explode(';', $this->Host);

    $index = 0;

    $connection = ($this->smtp->Connected());



    /* Retry while there is no connection */

    while($index < count($hosts) && $connection == false) {

      $hostinfo = array();

      if(eregi('^(.+):([0-9]+)$', $hosts[$index], $hostinfo)) {

        $host = $hostinfo[1];

        $port = $hostinfo[2];

      } else {

        $host = $hosts[$index];

        $port = $this->Port;

      }



      if($this->smtp->Connect(((!empty($this->SMTPSecure))?$this->SMTPSecure.'://':'').$host, $port, $this->Timeout)) {

        if ($this->Helo != '') {

          $this->smtp->Hello($this->Helo);

        } else {

          $this->smtp->Hello($this->ServerHostname());

        }



        $connection = true;

        if($this->SMTPAuth) {

          if(!$this->smtp->Authenticate($this->Username, $this->Password)) {

            $this->SetError($this->Lang('authenticate'));

            $this->smtp->Reset();

            $connection = false;

          }

        }

      }

      $index++;

    }

    if(!$connection) {

      $this->SetError($this->Lang('connect_host'));

    }



    return $connection;

  }



  /**

   * Closes the active SMTP session if one exists.

   * @return void

   */

  function SmtpClose() {

    if($this->smtp != NULL) {

      if($this->smtp->Connected()) {

        $this->smtp->Quit();

        $this->smtp->Close();

      }

    }

  }



  /**

   * Sets the language for all class error messages.  Returns false

   * if it cannot load the language file.  The default language type

   * is English.

   * @param string $lang_type Type of language (e.g. Portuguese: "br")

   * @param string $lang_path Path to the language file directory

   * @access public

   * @return bool

   */

  function SetLanguage($lang_type, $lang_path = 'language/') {

    if(file_exists($lang_path.'phpmailer.lang-'.$lang_type.'.php')) {

      include($lang_path.'phpmailer.lang-'.$lang_type.'.php');

    } elseif (file_exists($lang_path.'phpmailer.lang-en.php')) {

      include($lang_path.'phpmailer.lang-en.php');

    } else {

      $this->SetError('Could not load language file');

      return false;

    }

    $this->language = $PHPMAILER_LANG;



    return true;

  }



  /////////////////////////////////////////////////

  // METHODS, MESSAGE CREATION

  /////////////////////////////////////////////////



  /**

   * Creates recipient headers.

   * @access private

   * @return string

   */

  function AddrAppend($type, $addr) {

    $addr_str = $type . ': ';

    $addr_str .= $this->AddrFormat($addr[0]);

    if(count($addr) > 1) {

      for($i = 1; $i < count($addr); $i++) {

        $addr_str .= ', ' . $this->AddrFormat($addr[$i]);

      }

    }

    $addr_str .= $this->LE;



    return $addr_str;

  }



  /**

   * Formats an address correctly.

   * @access private

   * @return string

   */

  function AddrFormat($addr) {

    if(empty($addr[1])) {

      $formatted = $this->SecureHeader($addr[0]);

    } else {

      $formatted = $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">";

    }



    return $formatted;

  }



  /**

   * Wraps message for use with mailers that do not

   * automatically perform wrapping and for quoted-printable.

   * Original written by philippe.

   * @access private

   * @return string

   */

  function WrapText($message, $length, $qp_mode = false) {

    $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;



    $message = $this->FixEOL($message);

    if (substr($message, -1) == $this->LE) {

      $message = substr($message, 0, -1);

    }



    $line = explode($this->LE, $message);

    $message = '';

    for ($i=0 ;$i < count($line); $i++) {

      $line_part = explode(' ', $line[$i]);

      $buf = '';

      for ($e = 0; $e<count($line_part); $e++) {

        $word = $line_part[$e];

        if ($qp_mode and (strlen($word) > $length)) {

          $space_left = $length - strlen($buf) - 1;

          if ($e != 0) {

            if ($space_left > 20) {

              $len = $space_left;

              if (substr($word, $len - 1, 1) == '=') {

                $len--;

              } elseif (substr($word, $len - 2, 1) == '=') {

                $len -= 2;

              }

              $part = substr($word, 0, $len);

              $word = substr($word, $len);

              $buf .= ' ' . $part;

              $message .= $buf . sprintf("=%s", $this->LE);

            } else {

              $message .= $buf . $soft_break;

            }

            $buf = '';

          }

          while (strlen($word) > 0) {

            $len = $length;

            if (substr($word, $len - 1, 1) == '=') {

              $len--;

            } elseif (substr($word, $len - 2, 1) == '=') {

              $len -= 2;

            }

            $part = substr($word, 0, $len);

            $word = substr($word, $len);



            if (strlen($word) > 0) {

              $message .= $part . sprintf("=%s", $this->LE);

            } else {

              $buf = $part;

            }

          }

        } else {

          $buf_o = $buf;

          $buf .= ($e == 0) ? $word : (' ' . $word);



          if (strlen($buf) > $length and $buf_o != '') {

            $message .= $buf_o . $soft_break;

            $buf = $word;

          }

        }

      }

      $message .= $buf . $this->LE;

    }



    return $message;

  }



  /**

   * Set the body wrapping.

   * @access private

   * @return void

   */

  function SetWordWrap() {

    if($this->WordWrap < 1) {

      return;

    }



    switch($this->message_type) {

      case 'alt':

        /* fall through */

      case 'alt_attachments':

        $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);

        break;

      default:

        $this->Body = $this->WrapText($this->Body, $this->WordWrap);

        break;

    }

  }



  /**

   * Assembles message header.

   * @access private

   * @return string

   */

  function CreateHeader() {

    $result = '';



    /* Set the boundaries */

    $uniq_id = md5(uniqid(time()));

    $this->boundary[1] = 'b1_' . $uniq_id;

    $this->boundary[2] = 'b2_' . $uniq_id;



    $result .= $this->HeaderLine('Date', $this->RFCDate());

    if($this->Sender == '') {

      $result .= $this->HeaderLine('Return-Path', trim($this->From));

    } else {

      $result .= $this->HeaderLine('Return-Path', trim($this->Sender));

    }



    /* To be created automatically by mail() */

    if($this->Mailer != 'mail') {

      if(count($this->to) > 0) {

        $result .= $this->AddrAppend('To', $this->to);

      } elseif (count($this->cc) == 0) {

        $result .= $this->HeaderLine('To', 'undisclosed-recipients:;');

      }

      if(count($this->cc) > 0) {

        $result .= $this->AddrAppend('Cc', $this->cc);

      }

    }



    $from = array();

    $from[0][0] = trim($this->From);

    $from[0][1] = $this->FromName;

    $result .= $this->AddrAppend('From', $from);



    /* sendmail and mail() extract Cc from the header before sending */

    if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->cc) > 0)) {

      $result .= $this->AddrAppend('Cc', $this->cc);

    }



    /* sendmail and mail() extract Bcc from the header before sending */

    if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->bcc) > 0)) {

      $result .= $this->AddrAppend('Bcc', $this->bcc);

    }



    if(count($this->ReplyTo) > 0) {

      $result .= $this->AddrAppend('Reply-To', $this->ReplyTo);

    }



    /* mail() sets the subject itself */

    if($this->Mailer != 'mail') {

      $result .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader($this->Subject)));

    }



    $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);

    $result .= $this->HeaderLine('X-Priority', $this->Priority);

    $result .= $this->HeaderLine('X-Mailer', 'PHPMailer (phpmailer.sourceforge.net) [version ' . $this->Version . ']');



    if($this->ConfirmReadingTo != '') {

      $result .= $this->HeaderLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');

    }



    // Add custom headers

    for($index = 0; $index < count($this->CustomHeader); $index++) {

      $result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]), $this->EncodeHeader(trim($this->CustomHeader[$index][1])));

    }

    $result .= $this->HeaderLine('MIME-Version', '1.0');



    switch($this->message_type) {

      case 'plain':

        $result .= $this->HeaderLine('Content-Transfer-Encoding', $this->Encoding);

        $result .= sprintf("Content-Type: %s; charset=\"%s\"", $this->ContentType, $this->CharSet);

        break;

      case 'attachments':

        /* fall through */

      case 'alt_attachments':

        if($this->InlineImageExists()){

          $result .= sprintf("Content-Type: %s;%s\ttype=\"text/html\";%s\tboundary=\"%s\"%s", 'multipart/related', $this->LE, $this->LE, $this->boundary[1], $this->LE);

        } else {

          $result .= $this->HeaderLine('Content-Type', 'multipart/mixed;');

          $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');

        }

        break;

      case 'alt':

        $result .= $this->HeaderLine('Content-Type', 'multipart/alternative;');

        $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');

        break;

    }



    if($this->Mailer != 'mail') {

      $result .= $this->LE.$this->LE;

    }



    return $result;

  }



  /**

   * Assembles the message body.  Returns an empty string on failure.

   * @access private

   * @return string

   */

  function CreateBody() {

    $result = '';



    $this->SetWordWrap();



    switch($this->message_type) {

      case 'alt':

        $result .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');

        $result .= $this->EncodeString($this->AltBody, $this->Encoding);

        $result .= $this->LE.$this->LE;

        $result .= $this->GetBoundary($this->boundary[1], '', 'text/html', '');

        $result .= $this->EncodeString($this->Body, $this->Encoding);

        $result .= $this->LE.$this->LE;

        $result .= $this->EndBoundary($this->boundary[1]);

        break;

      case 'plain':

        $result .= $this->EncodeString($this->Body, $this->Encoding);

        break;

      case 'attachments':

        $result .= $this->GetBoundary($this->boundary[1], '', '', '');

        $result .= $this->EncodeString($this->Body, $this->Encoding);

        $result .= $this->LE;

        $result .= $this->AttachAll();

        break;

      case 'alt_attachments':

        $result .= sprintf("--%s%s", $this->boundary[1], $this->LE);

        $result .= sprintf("Content-Type: %s;%s" . "\tboundary=\"%s\"%s", 'multipart/alternative', $this->LE, $this->boundary[2], $this->LE.$this->LE);

        $result .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '') . $this->LE; // Create text body

        $result .= $this->EncodeString($this->AltBody, $this->Encoding);

        $result .= $this->LE.$this->LE;

        $result .= $this->GetBoundary($this->boundary[2], '', 'text/html', '') . $this->LE; // Create the HTML body

        $result .= $this->EncodeString($this->Body, $this->Encoding);

        $result .= $this->LE.$this->LE;

        $result .= $this->EndBoundary($this->boundary[2]);

        $result .= $this->AttachAll();

        break;

    }

    if($this->IsError()) {

      $result = '';

    }



    return $result;

  }



  /**

   * Returns the start of a message boundary.

   * @access private

   */

  function GetBoundary($boundary, $charSet, $contentType, $encoding) {

    $result = '';

    if($charSet == '') {

      $charSet = $this->CharSet;

    }

    if($contentType == '') {

      $contentType = $this->ContentType;

    }

    if($encoding == '') {

      $encoding = $this->Encoding;

    }

    $result .= $this->TextLine('--' . $boundary);

    $result .= sprintf("Content-Type: %s; charset = \"%s\"", $contentType, $charSet);

    $result .= $this->LE;

    $result .= $this->HeaderLine('Content-Transfer-Encoding', $encoding);

    $result .= $this->LE;



    return $result;

  }



  /**

   * Returns the end of a message boundary.

   * @access private

   */

  function EndBoundary($boundary) {

    return $this->LE . '--' . $boundary . '--' . $this->LE;

  }



  /**

   * Sets the message type.

   * @access private

   * @return void

   */

  function SetMessageType() {

    if(count($this->attachment) < 1 && strlen($this->AltBody) < 1) {

      $this->message_type = 'plain';

    } else {

      if(count($this->attachment) > 0) {

        $this->message_type = 'attachments';

      }

      if(strlen($this->AltBody) > 0 && count($this->attachment) < 1) {

        $this->message_type = 'alt';

      }

      if(strlen($this->AltBody) > 0 && count($this->attachment) > 0) {

        $this->message_type = 'alt_attachments';

      }

    }

  }



  /* Returns a formatted header line.

   * @access private

   * @return string

   */

  function HeaderLine($name, $value) {

    return $name . ': ' . $value . $this->LE;

  }



  /**

   * Returns a formatted mail line.

   * @access private

   * @return string

   */

  function TextLine($value) {

    return $value . $this->LE;

  }



  /////////////////////////////////////////////////

  // CLASS METHODS, ATTACHMENTS

  /////////////////////////////////////////////////



  /**

   * Adds an attachment from a path on the filesystem.

   * Returns false if the file could not be found

   * or accessed.

   * @param string $path Path to the attachment.

   * @param string $name Overrides the attachment name.

   * @param string $encoding File encoding (see $Encoding).

   * @param string $type File extension (MIME) type.

   * @return bool

   */

  function AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {

    if(!@is_file($path)) {

      $this->SetError($this->Lang('file_access') . $path);

      return false;

    }



    $filename = basename($path);

    if($name == '') {

      $name = $filename;

    }



    $cur = count($this->attachment);

    $this->attachment[$cur][0] = $path;

    $this->attachment[$cur][1] = $filename;

    $this->attachment[$cur][2] = $name;

    $this->attachment[$cur][3] = $encoding;

    $this->attachment[$cur][4] = $type;

    $this->attachment[$cur][5] = false; // isStringAttachment

    $this->attachment[$cur][6] = 'attachment';

    $this->attachment[$cur][7] = 0;



    return true;

  }



  /**

   * Attaches all fs, string, and binary attachments to the message.

   * Returns an empty string on failure.

   * @access private

   * @return string

   */

  function AttachAll() {

    /* Return text of body */

    $mime = array();



    /* Add all attachments */

    for($i = 0; $i < count($this->attachment); $i++) {

      /* Check for string attachment */

      $bString = $this->attachment[$i][5];

      if ($bString) {

        $string = $this->attachment[$i][0];

      } else {

        $path = $this->attachment[$i][0];

      }



      $filename    = $this->attachment[$i][1];

      $name        = $this->attachment[$i][2];

      $encoding    = $this->attachment[$i][3];

      $type        = $this->attachment[$i][4];

      $disposition = $this->attachment[$i][6];

      $cid         = $this->attachment[$i][7];



      $mime[] = sprintf("--%s%s", $this->boundary[1], $this->LE);

      $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $name, $this->LE);

      $mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);



      if($disposition == 'inline') {

        $mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);

      }



      $mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s", $disposition, $name, $this->LE.$this->LE);



      /* Encode as string attachment */

      if($bString) {

        $mime[] = $this->EncodeString($string, $encoding);

        if($this->IsError()) {

          return '';

        }

        $mime[] = $this->LE.$this->LE;

      } else {

        $mime[] = $this->EncodeFile($path, $encoding);

        if($this->IsError()) {

          return '';

        }

        $mime[] = $this->LE.$this->LE;

      }

    }



    $mime[] = sprintf("--%s--%s", $this->boundary[1], $this->LE);



    return join('', $mime);

  }



  /**

   * Encodes attachment in requested format.  Returns an

   * empty string on failure.

   * @access private

   * @return string

   */

  function EncodeFile ($path, $encoding = 'base64') {

    if(!@$fd = fopen($path, 'rb')) {

      $this->SetError($this->Lang('file_open') . $path);

      return '';

    }

    $magic_quotes = get_magic_quotes_runtime();

    set_magic_quotes_runtime(0);

    $file_buffer = fread($fd, filesize($path));

    $file_buffer = $this->EncodeString($file_buffer, $encoding);

    fclose($fd);

    set_magic_quotes_runtime($magic_quotes);



    return $file_buffer;

  }



  /**

   * Encodes string to requested format. Returns an

   * empty string on failure.

   * @access private

   * @return string

   */

  function EncodeString ($str, $encoding = 'base64') {

    $encoded = '';

    switch(strtolower($encoding)) {

      case 'base64':

        /* chunk_split is found in PHP >= 3.0.6 */

        $encoded = chunk_split(base64_encode($str), 76, $this->LE);

        break;

      case '7bit':

      case '8bit':

        $encoded = $this->FixEOL($str);

        if (substr($encoded, -(strlen($this->LE))) != $this->LE)

          $encoded .= $this->LE;

        break;

      case 'binary':

        $encoded = $str;

        break;

      case 'quoted-printable':

        $encoded = $this->EncodeQP($str);

        break;

      default:

        $this->SetError($this->Lang('encoding') . $encoding);

        break;

    }

    return $encoded;

  }



  /**

   * Encode a header string to best of Q, B, quoted or none.

   * @access private

   * @return string

   */

  function EncodeHeader ($str, $position = 'text') {

    $x = 0;



    switch (strtolower($position)) {

      case 'phrase':

        if (!preg_match('/[\200-\377]/', $str)) {

          /* Can't use addslashes as we don't know what value has magic_quotes_sybase. */

          $encoded = addcslashes($str, "\0..\37\177\\\"");

          if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {

            return ($encoded);

          } else {

            return ("\"$encoded\"");

          }

        }

        $x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);

        break;

      case 'comment':

        $x = preg_match_all('/[()"]/', $str, $matches);

        /* Fall-through */

      case 'text':

      default:

        $x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);

        break;

    }



    if ($x == 0) {

      return ($str);

    }



    $maxlen = 75 - 7 - strlen($this->CharSet);

    /* Try to select the encoding which should produce the shortest output */

    if (strlen($str)/3 < $x) {

      $encoding = 'B';

      $encoded = base64_encode($str);

      $maxlen -= $maxlen % 4;

      $encoded = trim(chunk_split($encoded, $maxlen, "\n"));

    } else {

      $encoding = 'Q';

      $encoded = $this->EncodeQ($str, $position);

      $encoded = $this->WrapText($encoded, $maxlen, true);

      $encoded = str_replace('='.$this->LE, "\n", trim($encoded));

    }



    $encoded = preg_replace('/^(.*)$/m', " =?".$this->CharSet."?$encoding?\\1?=", $encoded);

    $encoded = trim(str_replace("\n", $this->LE, $encoded));



    return $encoded;

  }



  /**

   * Encode string to quoted-printable.

   * @access private

   * @return string

   */

  function EncodeQP( $input = '', $line_max = 76, $space_conv = false ) {

    $hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');

    $lines = preg_split('/(?:\r\n|\r|\n)/', $input);

    $eol = "\r\n";

    $escape = '=';

    $output = '';

    while( list(, $line) = each($lines) ) {

      $linlen = strlen($line);

      $newline = '';

      for($i = 0; $i < $linlen; $i++) {

        $c = substr( $line, $i, 1 );

        $dec = ord( $c );

        if ( ( $i == 0 ) && ( $dec == 46 ) ) { // convert first point in the line into =2E

          $c = '=2E';

        }

        if ( $dec == 32 ) {

          if ( $i == ( $linlen - 1 ) ) { // convert space at eol only

            $c = '=20';

          } else if ( $space_conv ) {

            $c = '=20';

          }

        } elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required

          $h2 = floor($dec/16);

          $h1 = floor($dec%16);

          $c = $escape.$hex[$h2].$hex[$h1];

        }

        if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted

          $output .= $newline.$escape.$eol; //  soft line break; " =\r\n" is okay

          $newline = '';

          // check if newline first character will be point or not

          if ( $dec == 46 ) {

            $c = '=2E';

          }

        }

        $newline .= $c;

      } // end of for

      $output .= $newline.$eol;

    } // end of while

    return trim($output);

  }



  /**

   * Encode string to q encoding.

   * @access private

   * @return string

   */

  function EncodeQ ($str, $position = 'text') {

    /* There should not be any EOL in the string */

    $encoded = preg_replace("[\r\n]", '', $str);



    switch (strtolower($position)) {

      case 'phrase':

        $encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);

        break;

      case 'comment':

        $encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);

      case 'text':

      default:

        /* Replace every high ascii, control =, ? and _ characters */

        $encoded = preg_replace('/([\000-\011\013\014\016-\037\075\077\137\177-\377])/e',

              "'='.sprintf('%02X', ord('\\1'))", $encoded);

        break;

    }



    /* Replace every spaces to _ (more readable than =20) */

    $encoded = str_replace(' ', '_', $encoded);



    return $encoded;

  }



  /**

   * Adds a string or binary attachment (non-filesystem) to the list.

   * This method can be used to attach ascii or binary data,

   * such as a BLOB record from a database.

   * @param string $string String attachment data.

   * @param string $filename Name of the attachment.

   * @param string $encoding File encoding (see $Encoding).

   * @param string $type File extension (MIME) type.

   * @return void

   */

  function AddStringAttachment($string, $filename, $encoding = 'base64', $type = 'application/octet-stream') {

    /* Append to $attachment array */

    $cur = count($this->attachment);

    $this->attachment[$cur][0] = $string;

    $this->attachment[$cur][1] = $filename;

    $this->attachment[$cur][2] = $filename;

    $this->attachment[$cur][3] = $encoding;

    $this->attachment[$cur][4] = $type;

    $this->attachment[$cur][5] = true; // isString

    $this->attachment[$cur][6] = 'attachment';

    $this->attachment[$cur][7] = 0;

  }



  /**

   * Adds an embedded attachment.  This can include images, sounds, and

   * just about any other document.  Make sure to set the $type to an

   * image type.  For JPEG images use "image/jpeg" and for GIF images

   * use "image/gif".

   * @param string $path Path to the attachment.

   * @param string $cid Content ID of the attachment.  Use this to identify

   *        the Id for accessing the image in an HTML form.

   * @param string $name Overrides the attachment name.

   * @param string $encoding File encoding (see $Encoding).

   * @param string $type File extension (MIME) type.

   * @return bool

   */

  function AddEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {



    if(!@is_file($path)) {

      $this->SetError($this->Lang('file_access') . $path);

      return false;

    }



    $filename = basename($path);

    if($name == '') {

      $name = $filename;

    }



    /* Append to $attachment array */

    $cur = count($this->attachment);

    $this->attachment[$cur][0] = $path;

    $this->attachment[$cur][1] = $filename;

    $this->attachment[$cur][2] = $name;

    $this->attachment[$cur][3] = $encoding;

    $this->attachment[$cur][4] = $type;

    $this->attachment[$cur][5] = false;

    $this->attachment[$cur][6] = 'inline';

    $this->attachment[$cur][7] = $cid;



    return true;

  }



  /**

   * Returns true if an inline attachment is present.

   * @access private

   * @return bool

   */

  function InlineImageExists() {

    $result = false;

    for($i = 0; $i < count($this->attachment); $i++) {

      if($this->attachment[$i][6] == 'inline') {

        $result = true;

        break;

      }

    }



    return $result;

  }



  /////////////////////////////////////////////////

  // CLASS METHODS, MESSAGE RESET

  /////////////////////////////////////////////////



  /**

   * Clears all recipients assigned in the TO array.  Returns void.

   * @return void

   */

  function ClearAddresses() {

    $this->to = array();

  }



  /**

   * Clears all recipients assigned in the CC array.  Returns void.

   * @return void

   */

  function ClearCCs() {

    $this->cc = array();

  }



  /**

   * Clears all recipients assigned in the BCC array.  Returns void.

   * @return void

   */

  function ClearBCCs() {

    $this->bcc = array();

  }



  /**

   * Clears all recipients assigned in the ReplyTo array.  Returns void.

   * @return void

   */

  function ClearReplyTos() {

    $this->ReplyTo = array();

  }



  /**

   * Clears all recipients assigned in the TO, CC and BCC

   * array.  Returns void.

   * @return void

   */

  function ClearAllRecipients() {

    $this->to = array();

    $this->cc = array();

    $this->bcc = array();

  }



  /**

   * Clears all previously set filesystem, string, and binary

   * attachments.  Returns void.

   * @return void

   */

  function ClearAttachments() {

    $this->attachment = array();

  }



  /**

   * Clears all custom headers.  Returns void.

   * @return void

   */

  function ClearCustomHeaders() {

    $this->CustomHeader = array();

  }



  /////////////////////////////////////////////////

  // CLASS METHODS, MISCELLANEOUS

  /////////////////////////////////////////////////



  /**

   * Adds the error message to the error container.

   * Returns void.

   * @access private

   * @return void

   */

  function SetError($msg) {

    $this->error_count++;

    $this->ErrorInfo = $msg;

  }



  /**

   * Returns the proper RFC 822 formatted date.

   * @access private

   * @return string

   */

  function RFCDate() {

    $tz = date('Z');

    $tzs = ($tz < 0) ? '-' : '+';

    $tz = abs($tz);

    $tz = (int)($tz/3600)*100 + ($tz%3600)/60;

    $result = sprintf("%s %s%04d", date('D, j M Y H:i:s'), $tzs, $tz);



    return $result;

  }



  /**

   * Returns the appropriate server variable.  Should work with both

   * PHP 4.1.0+ as well as older versions.  Returns an empty string

   * if nothing is found.

   * @access private

   * @return mixed

   */

  function ServerVar($varName) {

    global $HTTP_SERVER_VARS;

    global $HTTP_ENV_VARS;



    if(!isset($_SERVER)) {

      $_SERVER = $HTTP_SERVER_VARS;

      if(!isset($_SERVER['REMOTE_ADDR'])) {

        $_SERVER = $HTTP_ENV_VARS; // must be Apache

      }

    }



    if(isset($_SERVER[$varName])) {

      return $_SERVER[$varName];

    } else {

      return '';

    }

  }



  /**

   * Returns the server hostname or 'localhost.localdomain' if unknown.

   * @access private

   * @return string

   */

  function ServerHostname() {

    if ($this->Hostname != '') {

      $result = $this->Hostname;

    } elseif ($this->ServerVar('SERVER_NAME') != '') {

      $result = $this->ServerVar('SERVER_NAME');

    } else {

      $result = 'localhost.localdomain';

    }



    return $result;

  }



  /**

   * Returns a message in the appropriate language.

   * @access private

   * @return string

   */

  function Lang($key) {

    if(count($this->language) < 1) {

      $this->SetLanguage('en'); // set the default language

    }



    if(isset($this->language[$key])) {

      return $this->language[$key];

    } else {

      return 'Language string failed to load: ' . $key;

    }

  }



  /**

   * Returns true if an error occurred.

   * @return bool

   */

  function IsError() {

    return ($this->error_count > 0);

  }



  /**

   * Changes every end of line from CR or LF to CRLF.

   * @access private

   * @return string

   */

  function FixEOL($str) {

    $str = str_replace("\r\n", "\n", $str);

    $str = str_replace("\r", "\n", $str);

    $str = str_replace("\n", $this->LE, $str);

    return $str;

  }



  /**

   * Adds a custom header.

   * @return void

   */

  function AddCustomHeader($custom_header) {

    $this->CustomHeader[] = explode(':', $custom_header, 2);

  }



  /**

   * Evaluates the message and returns modifications for inline images and backgrounds

   * @access public

   * @return $message

   */

  function MsgHTML($message) {

    preg_match_all("/(src|background)=\"(.*)\"/Ui", $message, $images);

    if(isset($images[2])) {

      foreach($images[2] as $i => $url) {

        $filename  = basename($url);

        $directory = dirname($url);

        $cid       = 'cid:' . md5($filename);

        $fileParts = split("\.", $filename);

        $ext       = $fileParts[1];

        $mimeType  = $this->_mime_types($ext);

        $message = preg_replace("/".$images[1][$i]."=\"".preg_quote($url, '/')."\"/Ui", $images[1][$i]."=\"".$cid."\"", $message);

        $this->AddEmbeddedImage($url, md5($filename), $filename, 'base64', $mimeType);

      }

    }

    $this->IsHTML(true);

    $this->Body = $message;

    $textMsg = trim(strip_tags($message));

    if ( !empty($textMsg) && empty($this->AltBody) ) {

      $this->AltBody = $textMsg;

    }

    if ( empty($this->AltBody) ) {

      $this->AltBody = 'To view this email message, open the email in with HTML compatibility!' . "\n\n";

    }

  }



  /**

   * Gets the mime type of the embedded or inline image

   * @access private

   * @return mime type of ext

   */

  function _mime_types($ext = '') {

    $mimes = array(

      'hqx'  =>  'application/mac-binhex40',

      'cpt'   =>  'application/mac-compactpro',

      'doc'   =>  'application/msword',

      'bin'   =>  'application/macbinary',

      'dms'   =>  'application/octet-stream',

      'lha'   =>  'application/octet-stream',

      'lzh'   =>  'application/octet-stream',

      'exe'   =>  'application/octet-stream',

      'class' =>  'application/octet-stream',

      'psd'   =>  'application/octet-stream',

      'so'    =>  'application/octet-stream',

      'sea'   =>  'application/octet-stream',

      'dll'   =>  'application/octet-stream',

      'oda'   =>  'application/oda',

      'pdf'   =>  'application/pdf',

      'ai'    =>  'application/postscript',

      'eps'   =>  'application/postscript',

      'ps'    =>  'application/postscript',

      'smi'   =>  'application/smil',

      'smil'  =>  'application/smil',

      'mif'   =>  'application/vnd.mif',

      'xls'   =>  'application/vnd.ms-excel',

      'ppt'   =>  'application/vnd.ms-powerpoint',

      'wbxml' =>  'application/vnd.wap.wbxml',

      'wmlc'  =>  'application/vnd.wap.wmlc',

      'dcr'   =>  'application/x-director',

      'dir'   =>  'application/x-director',

      'dxr'   =>  'application/x-director',

      'dvi'   =>  'application/x-dvi',

      'gtar'  =>  'application/x-gtar',

      'php'   =>  'application/x-httpd-php',

      'php4'  =>  'application/x-httpd-php',

      'php3'  =>  'application/x-httpd-php',

      'phtml' =>  'application/x-httpd-php',

      'phps'  =>  'application/x-httpd-php-source',

      'js'    =>  'application/x-javascript',

      'swf'   =>  'application/x-shockwave-flash',

      'sit'   =>  'application/x-stuffit',

      'tar'   =>  'application/x-tar',

      'tgz'   =>  'application/x-tar',

      'xhtml' =>  'application/xhtml+xml',

      'xht'   =>  'application/xhtml+xml',

      'zip'   =>  'application/zip',

      'mid'   =>  'audio/midi',

      'midi'  =>  'audio/midi',

      'mpga'  =>  'audio/mpeg',

      'mp2'   =>  'audio/mpeg',

      'mp3'   =>  'audio/mpeg',

      'aif'   =>  'audio/x-aiff',

      'aiff'  =>  'audio/x-aiff',

      'aifc'  =>  'audio/x-aiff',

      'ram'   =>  'audio/x-pn-realaudio',

      'rm'    =>  'audio/x-pn-realaudio',

      'rpm'   =>  'audio/x-pn-realaudio-plugin',

      'ra'    =>  'audio/x-realaudio',

      'rv'    =>  'video/vnd.rn-realvideo',

      'wav'   =>  'audio/x-wav',

      'bmp'   =>  'image/bmp',

      'gif'   =>  'image/gif',

      'jpeg'  =>  'image/jpeg',

      'jpg'   =>  'image/jpeg',

      'jpe'   =>  'image/jpeg',

      'png'   =>  'image/png',

      'tiff'  =>  'image/tiff',

      'tif'   =>  'image/tiff',

      'css'   =>  'text/css',

      'html'  =>  'text/html',

      'htm'   =>  'text/html',

      'shtml' =>  'text/html',

      'txt'   =>  'text/plain',

      'text'  =>  'text/plain',

      'log'   =>  'text/plain',

      'rtx'   =>  'text/richtext',

      'rtf'   =>  'text/rtf',

      'xml'   =>  'text/xml',

      'xsl'   =>  'text/xml',

      'mpeg'  =>  'video/mpeg',

      'mpg'   =>  'video/mpeg',

      'mpe'   =>  'video/mpeg',

      'qt'    =>  'video/quicktime',

      'mov'   =>  'video/quicktime',

      'avi'   =>  'video/x-msvideo',

      'movie' =>  'video/x-sgi-movie',

      'doc'   =>  'applicat…