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[autoinstalls/wordpress.git] / wp-includes / class-phpmailer.php
diff --git a/wp-includes/class-phpmailer.php b/wp-includes/class-phpmailer.php
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+<?php
+////////////////////////////////////////////////////
+// PHPMailer - PHP email class
+//
+// Class for sending email using either
+// sendmail, PHP mail(), or SMTP.  Methods are
+// based upon the standard AspEmail(tm) classes.
+//
+// Copyright (C) 2001 - 2003  Brent R. Matzelle
+//
+// License: LGPL, see LICENSE
+////////////////////////////////////////////////////
+
+/**
+ * PHPMailer - PHP email transport class
+ * @package PHPMailer
+ * @author Brent R. Matzelle
+ * @copyright 2001 - 2003 Brent R. Matzelle
+ */
+class PHPMailer
+{
+    /////////////////////////////////////////////////
+    // PUBLIC VARIABLES
+    /////////////////////////////////////////////////
+
+    /**
+     * Email priority (1 = High, 3 = Normal, 5 = low).
+     * @var int
+     */
+    var $Priority          = 3;
+
+    /**
+     * Sets the CharSet of the message.
+     * @var string
+     */
+    var $CharSet           = "UTF-8";
+
+    /**
+     * 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               = "support@wordpress.com";
+
+    /**
+     * Sets the From name of the message.
+     * @var string
+     */
+    var $FromName           = "Support";
+
+    /**
+     * 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           = "1.73";
+
+    /**
+     * 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          = "";
+
+    /////////////////////////////////////////////////
+    // SMTP VARIABLES
+    /////////////////////////////////////////////////
+
+    /**
+     *  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 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;
+
+    /**#@+
+     * @access 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";
+    /**#@-*/
+
+    /////////////////////////////////////////////////
+    // VARIABLE METHODS
+    /////////////////////////////////////////////////
+
+    /**
+     * 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";
+    }
+
+
+    /////////////////////////////////////////////////
+    // RECIPIENT METHODS
+    /////////////////////////////////////////////////
+
+    /**
+     * 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;
+    }
+
+
+    /////////////////////////////////////////////////
+    // MAIL SENDING METHODS
+    /////////////////////////////////////////////////
+
+    /**
+     * 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 "mail":
+                $result = $this->MailSend($header, $body);
+                break;
+            case "smtp":
+                $result = $this->SmtpSend($header, $body);
+                break;
+            default:
+            $this->SetError($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", $this->Sendmail, escapeshellarg($this->Sender));
+        else
+            $sendmail = sprintf("%s -oi -t", $this->Sendmail);
+
+        if(!@$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 .= $this->to[$i][0];
+        }
+
+        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);
+            $rt = @mail($to, $this->EncodeHeader($this->Subject), $body,
+                        $header, $params);
+        }
+        else
+            $rt = @mail($to, $this->EncodeHeader($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) && $connection == false)
+        {
+            if(strstr($hosts[$index], ":"))
+                list($host, $port) = explode(":", $hosts[$index]);
+            else
+            {
+                $host = $hosts[$index];
+                $port = $this->Port;
+            }
+
+            if($this->smtp->Connect($host, $port, $this->Timeout))
+            {
+                if ($this->Helo != '')
+                    $this->smtp->Hello($this->Helo);
+                else
+                    $this->smtp->Hello($this->ServerHostname());
+
+                if($this->SMTPAuth)
+                {
+                    if(!$this->smtp->Authenticate($this->Username,
+                                                  $this->Password))
+                    {
+                        $this->SetError($this->Lang("authenticate"));
+                        $this->smtp->Reset();
+                        $connection = false;
+                    }
+                }
+                $connection = true;
+            }
+            $index++;
+        }
+        if(!$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-'.$lang_type.'.php');
+        else if(file_exists($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 = $PHPMAILER_LANG;
+
+        return true;
+    }
+
+    /////////////////////////////////////////////////
+    // MESSAGE CREATION METHODS
+    /////////////////////////////////////////////////
+
+    /**
+     * Creates recipient headers.
+     * @access private
+     * @return string
+     */
+    function AddrAppend($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 = $addr[0];
+        else
+        {
+            $formatted = $this->EncodeHeader($addr[1], 'phrase') . " <" .
+                         $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", $this->to);
+            else if (count($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", $from);
+
+        // sendmail and mail() extract Bcc from the header before sending
+        if((($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", $this->EncodeHeader(trim($this->Subject)));
+
+        $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
+        $result .= $this->HeaderLine("X-Priority", $this->Priority);
+
+        if($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);
+
+                // Create text body
+                $result .= $this->GetBoundary($this->boundary[2], "",
+                                              "text/plain", "") . $this->LE;
+
+                $result .= $this->EncodeString($this->AltBody, $this->Encoding);
+                $result .= $this->LE.$this->LE;
+
+                // Create the HTML body
+                $result .= $this->GetBoundary($this->boundary[2], "",
+                                              "text/html", "") . $this->LE;
+
+                $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;
+    }
+
+    /////////////////////////////////////////////////
+    // ATTACHMENT METHODS
+    /////////////////////////////////////////////////
+
+    /**
+     * 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 $encoded;
+    }
+
+    /**
+     * Encode string to quoted-printable.
+     * @access private
+     * @return string
+     */
+    function EncodeQP ($str) {
+        $encoded = $this->FixEOL($str);
+        if (substr($encoded, -(strlen($this->LE))) != $this->LE)
+            $encoded .= $this->LE;
+
+        // Replace every high ascii, control and = characters
+        $encoded = preg_replace('/([\000-\010\013\014\016-\037\075\177-\377])/e',
+                  "'='.sprintf('%02X', ord('\\1'))", $encoded);
+        // Replace every spaces and tabs when it's the last character on a line
+        $encoded = preg_replace("/([\011\040])".$this->LE."/e",
+                  "'='.sprintf('%02X', ord('\\1')).'".$this->LE."'", $encoded);
+
+        // Maximum line length of 76 characters before CRLF (74 + space + '=')
+        $encoded = $this->WrapText($encoded, 74, true);
+
+        return $encoded;
+    }
+
+    /**
+     * Encode string to q encoding.
+     * @access private
+     * @return string
+     */
+    function EncodeQ ($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; // isStringAttachment
+        $this->attachment[$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;
+    }
+
+    /////////////////////////////////////////////////
+    // MESSAGE RESET METHODS
+    /////////////////////////////////////////////////
+
+    /**
+     * 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() {
+        $this->CustomHeader = array();
+    }
+
+
+    /////////////////////////////////////////////////
+    // MISCELLANEOUS METHODS
+    /////////////////////////////////////////////////
+
+    /**
+     * Adds the error message to the error container.
+     * Returns void.
+     * @access private
+     * @return void
+     */
+    function SetError($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);
+        $tz = ($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);
+    }
+}
+
+?>