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  1. <?php
  2. /**
  3.  * PHPMailer - PHP email creation and transport class.
  4.  * PHP Version 5
  5.  * @package PHPMailer
  6.  * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
  7.  * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
  8.  * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
  9.  * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
  10.  * @author Brent R. Matzelle (original founder)
  11.  * @copyright 2012 - 2014 Marcus Bointon
  12.  * @copyright 2010 - 2012 Jim Jagielski
  13.  * @copyright 2004 - 2009 Andy Prevost
  14.  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
  15.  * @note This program is distributed in the hope that it will be useful - WITHOUT
  16.  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17.  * FITNESS FOR A PARTICULAR PURPOSE.
  18.  */
  19.  
  20. /**
  21.  * PHPMailer - PHP email creation and transport class.
  22.  * @package PHPMailer
  23.  * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
  24.  * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
  25.  * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
  26.  * @author Brent R. Matzelle (original founder)
  27.  */
  28. class PHPMailer
  29. {
  30.     /**
  31.      * The PHPMailer Version number.
  32.      * @var string
  33.      */
  34.     public $Version = '5.2.24';
  35.  
  36.     /**
  37.      * Email priority.
  38.      * Options: null (default), 1 = High, 3 = Normal, 5 = low.
  39.      * When null, the header is not set at all.
  40.      * @var integer
  41.      */
  42.     public $Priority = null;
  43.  
  44.     /**
  45.      * The character set of the message.
  46.      * @var string
  47.      */
  48.     public $CharSet = 'iso-8859-1';
  49.  
  50.     /**
  51.      * The MIME Content-type of the message.
  52.      * @var string
  53.      */
  54.     public $ContentType = 'text/plain';
  55.  
  56.     /**
  57.      * The message encoding.
  58.      * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
  59.      * @var string
  60.      */
  61.     public $Encoding = '8bit';
  62.  
  63.     /**
  64.      * Holds the most recent mailer error message.
  65.      * @var string
  66.      */
  67.     public $ErrorInfo = '';
  68.  
  69.     /**
  70.      * The From email address for the message.
  71.      * @var string
  72.      */
  73.     public $From = 'root@localhost';
  74.  
  75.     /**
  76.      * The From name of the message.
  77.      * @var string
  78.      */
  79.     public $FromName = 'Root User';
  80.  
  81.     /**
  82.      * The Sender email (Return-Path) of the message.
  83.      * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
  84.      * @var string
  85.      */
  86.     public $Sender = '';
  87.  
  88.     /**
  89.      * The Return-Path of the message.
  90.      * If empty, it will be set to either From or Sender.
  91.      * @var string
  92.      * @deprecated Email senders should never set a return-path header;
  93.      * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
  94.      * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
  95.      */
  96.     public $ReturnPath = '';
  97.  
  98.     /**
  99.      * The Subject of the message.
  100.      * @var string
  101.      */
  102.     public $Subject = '';
  103.  
  104.     /**
  105.      * An HTML or plain text message body.
  106.      * If HTML then call isHTML(true).
  107.      * @var string
  108.      */
  109.     public $Body = '';
  110.  
  111.     /**
  112.      * The plain-text message body.
  113.      * This body can be read by mail clients that do not have HTML email
  114.      * capability such as mutt & Eudora.
  115.      * Clients that can read HTML will view the normal Body.
  116.      * @var string
  117.      */
  118.     public $AltBody = '';
  119.  
  120.     /**
  121.      * An iCal message part body.
  122.      * Only supported in simple alt or alt_inline message types
  123.      * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
  124.      * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
  125.      * @link http://kigkonsult.se/iCalcreator/
  126.      * @var string
  127.      */
  128.     public $Ical = '';
  129.  
  130.     /**
  131.      * The complete compiled MIME message body.
  132.      * @access protected
  133.      * @var string
  134.      */
  135.     protected $MIMEBody = '';
  136.  
  137.     /**
  138.      * The complete compiled MIME message headers.
  139.      * @var string
  140.      * @access protected
  141.      */
  142.     protected $MIMEHeader = '';
  143.  
  144.     /**
  145.      * Extra headers that createHeader() doesn't fold in.
  146.      * @var string
  147.      * @access protected
  148.      */
  149.     protected $mailHeader = '';
  150.  
  151.     /**
  152.      * Word-wrap the message body to this number of chars.
  153.      * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
  154.      * @var integer
  155.      */
  156.     public $WordWrap = 0;
  157.  
  158.     /**
  159.      * Which method to use to send mail.
  160.      * Options: "mail", "sendmail", or "smtp".
  161.      * @var string
  162.      */
  163.     public $Mailer = 'mail';
  164.  
  165.     /**
  166.      * The path to the sendmail program.
  167.      * @var string
  168.      */
  169.     public $Sendmail = '/usr/sbin/sendmail';
  170.  
  171.     /**
  172.      * Whether mail() uses a fully sendmail-compatible MTA.
  173.      * One which supports sendmail's "-oi -f" options.
  174.      * @var boolean
  175.      */
  176.     public $UseSendmailOptions = true;
  177.  
  178.     /**
  179.      * Path to PHPMailer plugins.
  180.      * Useful if the SMTP class is not in the PHP include path.
  181.      * @var string
  182.      * @deprecated Should not be needed now there is an autoloader.
  183.      */
  184.     public $PluginDir = '';
  185.  
  186.     /**
  187.      * The email address that a reading confirmation should be sent to, also known as read receipt.
  188.      * @var string
  189.      */
  190.     public $ConfirmReadingTo = '';
  191.  
  192.     /**
  193.      * The hostname to use in the Message-ID header and as default HELO string.
  194.      * If empty, PHPMailer attempts to find one with, in order,
  195.      * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
  196.      * 'localhost.localdomain'.
  197.      * @var string
  198.      */
  199.     public $Hostname = '';
  200.  
  201.     /**
  202.      * An ID to be used in the Message-ID header.
  203.      * If empty, a unique id will be generated.
  204.      * You can set your own, but it must be in the format "<id@domain>",
  205.      * as defined in RFC5322 section 3.6.4 or it will be ignored.
  206.      * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
  207.      * @var string
  208.      */
  209.     public $MessageID = '';
  210.  
  211.     /**
  212.      * The message Date to be used in the Date header.
  213.      * If empty, the current date will be added.
  214.      * @var string
  215.      */
  216.     public $MessageDate = '';
  217.  
  218.     /**
  219.      * SMTP hosts.
  220.      * Either a single hostname or multiple semicolon-delimited hostnames.
  221.      * You can also specify a different port
  222.      * for each host by using this format: [hostname:port]
  223.      * (e.g. "smtp1.example.com:25;smtp2.example.com").
  224.      * You can also specify encryption type, for example:
  225.      * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
  226.      * Hosts will be tried in order.
  227.      * @var string
  228.      */
  229.     public $Host = 'localhost';
  230.  
  231.     /**
  232.      * The default SMTP server port.
  233.      * @var integer
  234.      * @TODO Why is this needed when the SMTP class takes care of it?
  235.      */
  236.     public $Port = 25;
  237.  
  238.     /**
  239.      * The SMTP HELO of the message.
  240.      * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
  241.      * one with the same method described above for $Hostname.
  242.      * @var string
  243.      * @see PHPMailer::$Hostname
  244.      */
  245.     public $Helo = '';
  246.  
  247.     /**
  248.      * What kind of encryption to use on the SMTP connection.
  249.      * Options: '', 'ssl' or 'tls'
  250.      * @var string
  251.      */
  252.     public $SMTPSecure = '';
  253.  
  254.     /**
  255.      * Whether to enable TLS encryption automatically if a server supports it,
  256.      * even if `SMTPSecure` is not set to 'tls'.
  257.      * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
  258.      * @var boolean
  259.      */
  260.     public $SMTPAutoTLS = true;
  261.  
  262.     /**
  263.      * Whether to use SMTP authentication.
  264.      * Uses the Username and Password properties.
  265.      * @var boolean
  266.      * @see PHPMailer::$Username
  267.      * @see PHPMailer::$Password
  268.      */
  269.     public $SMTPAuth = false;
  270.  
  271.     /**
  272.      * Options array passed to stream_context_create when connecting via SMTP.
  273.      * @var array
  274.      */
  275.     public $SMTPOptions = array();
  276.  
  277.     /**
  278.      * SMTP username.
  279.      * @var string
  280.      */
  281.     public $Username = '';
  282.  
  283.     /**
  284.      * SMTP password.
  285.      * @var string
  286.      */
  287.     public $Password = '';
  288.  
  289.     /**
  290.      * SMTP auth type.
  291.      * Options are CRAM-MD5, LOGIN, PLAIN, NTLM, XOAUTH2, attempted in that order if not specified
  292.      * @var string
  293.      */
  294.     public $AuthType = '';
  295.  
  296.     /**
  297.      * SMTP realm.
  298.      * Used for NTLM auth
  299.      * @var string
  300.      */
  301.     public $Realm = '';
  302.  
  303.     /**
  304.      * SMTP workstation.
  305.      * Used for NTLM auth
  306.      * @var string
  307.      */
  308.     public $Workstation = '';
  309.  
  310.     /**
  311.      * The SMTP server timeout in seconds.
  312.      * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
  313.      * @var integer
  314.      */
  315.     public $Timeout = 300;
  316.  
  317.     /**
  318.      * SMTP class debug output mode.
  319.      * Debug output level.
  320.      * Options:
  321.      * * `0` No output
  322.      * * `1` Commands
  323.      * * `2` Data and commands
  324.      * * `3` As 2 plus connection status
  325.      * * `4` Low-level data output
  326.      * @var integer
  327.      * @see SMTP::$do_debug
  328.      */
  329.     public $SMTPDebug = 0;
  330.  
  331.     /**
  332.      * How to handle debug output.
  333.      * Options:
  334.      * * `echo` Output plain-text as-is, appropriate for CLI
  335.      * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
  336.      * * `error_log` Output to error log as configured in php.ini
  337.      *
  338.      * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
  339.      * <code>
  340.      * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
  341.      * </code>
  342.      * @var string|callable
  343.      * @see SMTP::$Debugoutput
  344.      */
  345.     public $Debugoutput = 'echo';
  346.  
  347.     /**
  348.      * Whether to keep SMTP connection open after each message.
  349.      * If this is set to true then to close the connection
  350.      * requires an explicit call to smtpClose().
  351.      * @var boolean
  352.      */
  353.     public $SMTPKeepAlive = false;
  354.  
  355.     /**
  356.      * Whether to split multiple to addresses into multiple messages
  357.      * or send them all in one message.
  358.      * Only supported in `mail` and `sendmail` transports, not in SMTP.
  359.      * @var boolean
  360.      */
  361.     public $SingleTo = false;
  362.  
  363.     /**
  364.      * Storage for addresses when SingleTo is enabled.
  365.      * @var array
  366.      * @TODO This should really not be public
  367.      */
  368.     public $SingleToArray = array();
  369.  
  370.     /**
  371.      * Whether to generate VERP addresses on send.
  372.      * Only applicable when sending via SMTP.
  373.      * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path
  374.      * @link http://www.postfix.org/VERP_README.html Postfix VERP info
  375.      * @var boolean
  376.      */
  377.     public $do_verp = false;
  378.  
  379.     /**
  380.      * Whether to allow sending messages with an empty body.
  381.      * @var boolean
  382.      */
  383.     public $AllowEmpty = false;
  384.  
  385.     /**
  386.      * The default line ending.
  387.      * @note The default remains "\n". We force CRLF where we know
  388.      *        it must be used via self::CRLF.
  389.      * @var string
  390.      */
  391.     public $LE = "\n";
  392.  
  393.     /**
  394.      * DKIM selector.
  395.      * @var string
  396.      */
  397.     public $DKIM_selector = '';
  398.  
  399.     /**
  400.      * DKIM Identity.
  401.      * Usually the email address used as the source of the email.
  402.      * @var string
  403.      */
  404.     public $DKIM_identity = '';
  405.  
  406.     /**
  407.      * DKIM passphrase.
  408.      * Used if your key is encrypted.
  409.      * @var string
  410.      */
  411.     public $DKIM_passphrase = '';
  412.  
  413.     /**
  414.      * DKIM signing domain name.
  415.      * @example 'example.com'
  416.      * @var string
  417.      */
  418.     public $DKIM_domain = '';
  419.  
  420.     /**
  421.      * DKIM private key file path.
  422.      * @var string
  423.      */
  424.     public $DKIM_private = '';
  425.  
  426.     /**
  427.      * DKIM private key string.
  428.      * If set, takes precedence over `$DKIM_private`.
  429.      * @var string
  430.      */
  431.     public $DKIM_private_string = '';
  432.  
  433.     /**
  434.      * Callback Action function name.
  435.      *
  436.      * The function that handles the result of the send email action.
  437.      * It is called out by send() for each email sent.
  438.      *
  439.      * Value can be any php callable: http://www.php.net/is_callable
  440.      *
  441.      * Parameters:
  442.      *   boolean $result        result of the send action
  443.      *   array   $to            email addresses of the recipients
  444.      *   array   $cc            cc email addresses
  445.      *   array   $bcc           bcc email addresses
  446.      *   string  $subject       the subject
  447.      *   string  $body          the email body
  448.      *   string  $from          email address of sender
  449.      * @var string
  450.      */
  451.     public $action_function = '';
  452.  
  453.     /**
  454.      * What to put in the X-Mailer header.
  455.      * Options: An empty string for PHPMailer default, whitespace for none, or a string to use
  456.      * @var string
  457.      */
  458.     public $XMailer = '';
  459.  
  460.     /**
  461.      * Which validator to use by default when validating email addresses.
  462.      * May be a callable to inject your own validator, but there are several built-in validators.
  463.      * @see PHPMailer::validateAddress()
  464.      * @var string|callable
  465.      * @static
  466.      */
  467.     public static $validator = 'auto';
  468.  
  469.     /**
  470.      * An instance of the SMTP sender class.
  471.      * @var SMTP
  472.      * @access protected
  473.      */
  474.     protected $smtp = null;
  475.  
  476.     /**
  477.      * The array of 'to' names and addresses.
  478.      * @var array
  479.      * @access protected
  480.      */
  481.     protected $to = array();
  482.  
  483.     /**
  484.      * The array of 'cc' names and addresses.
  485.      * @var array
  486.      * @access protected
  487.      */
  488.     protected $cc = array();
  489.  
  490.     /**
  491.      * The array of 'bcc' names and addresses.
  492.      * @var array
  493.      * @access protected
  494.      */
  495.     protected $bcc = array();
  496.  
  497.     /**
  498.      * The array of reply-to names and addresses.
  499.      * @var array
  500.      * @access protected
  501.      */
  502.     protected $ReplyTo = array();
  503.  
  504.     /**
  505.      * An array of all kinds of addresses.
  506.      * Includes all of $to, $cc, $bcc
  507.      * @var array
  508.      * @access protected
  509.      * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
  510.      */
  511.     protected $all_recipients = array();
  512.  
  513.     /**
  514.      * An array of names and addresses queued for validation.
  515.      * In send(), valid and non duplicate entries are moved to $all_recipients
  516.      * and one of $to, $cc, or $bcc.
  517.      * This array is used only for addresses with IDN.
  518.      * @var array
  519.      * @access protected
  520.      * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
  521.      * @see PHPMailer::$all_recipients
  522.      */
  523.     protected $RecipientsQueue = array();
  524.  
  525.     /**
  526.      * An array of reply-to names and addresses queued for validation.
  527.      * In send(), valid and non duplicate entries are moved to $ReplyTo.
  528.      * This array is used only for addresses with IDN.
  529.      * @var array
  530.      * @access protected
  531.      * @see PHPMailer::$ReplyTo
  532.      */
  533.     protected $ReplyToQueue = array();
  534.  
  535.     /**
  536.      * The array of attachments.
  537.      * @var array
  538.      * @access protected
  539.      */
  540.     protected $attachment = array();
  541.  
  542.     /**
  543.      * The array of custom headers.
  544.      * @var array
  545.      * @access protected
  546.      */
  547.     protected $CustomHeader = array();
  548.  
  549.     /**
  550.      * The most recent Message-ID (including angular brackets).
  551.      * @var string
  552.      * @access protected
  553.      */
  554.     protected $lastMessageID = '';
  555.  
  556.     /**
  557.      * The message's MIME type.
  558.      * @var string
  559.      * @access protected
  560.      */
  561.     protected $message_type = '';
  562.  
  563.     /**
  564.      * The array of MIME boundary strings.
  565.      * @var array
  566.      * @access protected
  567.      */
  568.     protected $boundary = array();
  569.  
  570.     /**
  571.      * The array of available languages.
  572.      * @var array
  573.      * @access protected
  574.      */
  575.     protected $language = array();
  576.  
  577.     /**
  578.      * The number of errors encountered.
  579.      * @var integer
  580.      * @access protected
  581.      */
  582.     protected $error_count = 0;
  583.  
  584.     /**
  585.      * The S/MIME certificate file path.
  586.      * @var string
  587.      * @access protected
  588.      */
  589.     protected $sign_cert_file = '';
  590.  
  591.     /**
  592.      * The S/MIME key file path.
  593.      * @var string
  594.      * @access protected
  595.      */
  596.     protected $sign_key_file = '';
  597.  
  598.     /**
  599.      * The optional S/MIME extra certificates ("CA Chain") file path.
  600.      * @var string
  601.      * @access protected
  602.      */
  603.     protected $sign_extracerts_file = '';
  604.  
  605.     /**
  606.      * The S/MIME password for the key.
  607.      * Used only if the key is encrypted.
  608.      * @var string
  609.      * @access protected
  610.      */
  611.     protected $sign_key_pass = '';
  612.  
  613.     /**
  614.      * Whether to throw exceptions for errors.
  615.      * @var boolean
  616.      * @access protected
  617.      */
  618.     protected $exceptions = false;
  619.  
  620.     /**
  621.      * Unique ID used for message ID and boundaries.
  622.      * @var string
  623.      * @access protected
  624.      */
  625.     protected $uniqueid = '';
  626.  
  627.     /**
  628.      * Error severity: message only, continue processing.
  629.      */
  630.     const STOP_MESSAGE = 0;
  631.  
  632.     /**
  633.      * Error severity: message, likely ok to continue processing.
  634.      */
  635.     const STOP_CONTINUE = 1;
  636.  
  637.     /**
  638.      * Error severity: message, plus full stop, critical error reached.
  639.      */
  640.     const STOP_CRITICAL = 2;
  641.  
  642.     /**
  643.      * SMTP RFC standard line ending.
  644.      */
  645.     const CRLF = "\r\n";
  646.  
  647.     /**
  648.      * The maximum line length allowed by RFC 2822 section 2.1.1
  649.      * @var integer
  650.      */
  651.     const MAX_LINE_LENGTH = 998;
  652.  
  653.     /**
  654.      * Constructor.
  655.      * @param boolean $exceptions Should we throw external exceptions?
  656.      */
  657.     public function __construct($exceptions = null)
  658.     {
  659.         if ($exceptions !== null) {
  660.             $this->exceptions = (boolean)$exceptions;
  661.         }
  662.     }
  663.  
  664.     /**
  665.      * Destructor.
  666.      */
  667.     public function __destruct()
  668.     {
  669.         //Close any open SMTP connection nicely
  670.         $this->smtpClose();
  671.     }
  672.  
  673.     /**
  674.      * Call mail() in a safe_mode-aware fashion.
  675.      * Also, unless sendmail_path points to sendmail (or something that
  676.      * claims to be sendmail), don't pass params (not a perfect fix,
  677.      * but it will do)
  678.      * @param string $to To
  679.      * @param string $subject Subject
  680.      * @param string $body Message Body
  681.      * @param string $header Additional Header(s)
  682.      * @param string $params Params
  683.      * @access private
  684.      * @return boolean
  685.      */
  686.     private function mailPassthru($to, $subject, $body, $header, $params)
  687.     {
  688.         //Check overloading of mail function to avoid double-encoding
  689.         if (ini_get('mbstring.func_overload') & 1) {
  690.             $subject = $this->secureHeader($subject);
  691.         } else {
  692.             $subject = $this->encodeHeader($this->secureHeader($subject));
  693.         }
  694.  
  695.         //Can't use additional_parameters in safe_mode, calling mail() with null params breaks
  696.         //@link http://php.net/manual/en/function.mail.php
  697.         if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) {
  698.             $result = @mail($to, $subject, $body, $header);
  699.         } else {
  700.             $result = @mail($to, $subject, $body, $header, $params);
  701.         }
  702.         return $result;
  703.     }
  704.     /**
  705.      * Output debugging info via user-defined method.
  706.      * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
  707.      * @see PHPMailer::$Debugoutput
  708.      * @see PHPMailer::$SMTPDebug
  709.      * @param string $str
  710.      */
  711.     protected function edebug($str)
  712.     {
  713.         if ($this->SMTPDebug <= 0) {
  714.             return;
  715.         }
  716.         //Avoid clash with built-in function names
  717.         if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
  718.             call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
  719.             return;
  720.         }
  721.         switch ($this->Debugoutput) {
  722.             case 'error_log':
  723.                 //Don't output, just log
  724.                 error_log($str);
  725.                 break;
  726.             case 'html':
  727.                 //Cleans up output a bit for a better looking, HTML-safe output
  728.                 echo htmlentities(
  729.                     preg_replace('/[\r\n]+/', '', $str),
  730.                     ENT_QUOTES,
  731.                     'UTF-8'
  732.                 )
  733.                 . "<br>\n";
  734.                 break;
  735.             case 'echo':
  736.             default:
  737.                 //Normalize line breaks
  738.                 $str = preg_replace('/\r\n?/ms', "\n", $str);
  739.                 echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
  740.                     "\n",
  741.                     "\n                   \t                  ",
  742.                     trim($str)
  743.                 ) . "\n";
  744.         }
  745.     }
  746.  
  747.     /**
  748.      * Sets message type to HTML or plain.
  749.      * @param boolean $isHtml True for HTML mode.
  750.      * @return void
  751.      */
  752.     public function isHTML($isHtml = true)
  753.     {
  754.         if ($isHtml) {
  755.             $this->ContentType = 'text/html';
  756.         } else {
  757.             $this->ContentType = 'text/plain';
  758.         }
  759.     }
  760.  
  761.     /**
  762.      * Send messages using SMTP.
  763.      * @return void
  764.      */
  765.     public function isSMTP()
  766.     {
  767.         $this->Mailer = 'smtp';
  768.     }
  769.  
  770.     /**
  771.      * Send messages using PHP's mail() function.
  772.      * @return void
  773.      */
  774.     public function isMail()
  775.     {
  776.         $this->Mailer = 'mail';
  777.     }
  778.  
  779.     /**
  780.      * Send messages using $Sendmail.
  781.      * @return void
  782.      */
  783.     public function isSendmail()
  784.     {
  785.         $ini_sendmail_path = ini_get('sendmail_path');
  786.  
  787.         if (!stristr($ini_sendmail_path, 'sendmail')) {
  788.             $this->Sendmail = '/usr/sbin/sendmail';
  789.         } else {
  790.             $this->Sendmail = $ini_sendmail_path;
  791.         }
  792.         $this->Mailer = 'sendmail';
  793.     }
  794.  
  795.     /**
  796.      * Send messages using qmail.
  797.      * @return void
  798.      */
  799.     public function isQmail()
  800.     {
  801.         $ini_sendmail_path = ini_get('sendmail_path');
  802.  
  803.         if (!stristr($ini_sendmail_path, 'qmail')) {
  804.             $this->Sendmail = '/var/qmail/bin/qmail-inject';
  805.         } else {
  806.             $this->Sendmail = $ini_sendmail_path;
  807.         }
  808.         $this->Mailer = 'qmail';
  809.     }
  810.  
  811.     /**
  812.      * Add a "To" address.
  813.      * @param string $address The email address to send to
  814.      * @param string $name
  815.      * @return boolean true on success, false if address already used or invalid in some way
  816.      */
  817.     public function addAddress($address, $name = '')
  818.     {
  819.         return $this->addOrEnqueueAnAddress('to', $address, $name);
  820.     }
  821.  
  822.     /**
  823.      * Add a "CC" address.
  824.      * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
  825.      * @param string $address The email address to send to
  826.      * @param string $name
  827.      * @return boolean true on success, false if address already used or invalid in some way
  828.      */
  829.     public function addCC($address, $name = '')
  830.     {
  831.         return $this->addOrEnqueueAnAddress('cc', $address, $name);
  832.     }
  833.  
  834.     /**
  835.      * Add a "BCC" address.
  836.      * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
  837.      * @param string $address The email address to send to
  838.      * @param string $name
  839.      * @return boolean true on success, false if address already used or invalid in some way
  840.      */
  841.     public function addBCC($address, $name = '')
  842.     {
  843.         return $this->addOrEnqueueAnAddress('bcc', $address, $name);
  844.     }
  845.  
  846.     /**
  847.      * Add a "Reply-To" address.
  848.      * @param string $address The email address to reply to
  849.      * @param string $name
  850.      * @return boolean true on success, false if address already used or invalid in some way
  851.      */
  852.     public function addReplyTo($address, $name = '')
  853.     {
  854.         return $this->addOrEnqueueAnAddress('Reply-To', $address, $name);
  855.     }
  856.  
  857.     /**
  858.      * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
  859.      * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
  860.      * be modified after calling this function), addition of such addresses is delayed until send().
  861.      * Addresses that have been added already return false, but do not throw exceptions.
  862.      * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
  863.      * @param string $address The email address to send, resp. to reply to
  864.      * @param string $name
  865.      * @throws phpmailerException
  866.      * @return boolean true on success, false if address already used or invalid in some way
  867.      * @access protected
  868.      */
  869.     protected function addOrEnqueueAnAddress($kind, $address, $name)
  870.     {
  871.         $address = trim($address);
  872.         $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
  873.         if (($pos = strrpos($address, '@')) === false) {
  874.             // At-sign is misssing.
  875.             $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
  876.             $this->setError($error_message);
  877.             $this->edebug($error_message);
  878.             if ($this->exceptions) {
  879.                 throw new phpmailerException($error_message);
  880.             }
  881.             return false;
  882.         }
  883.         $params = array($kind, $address, $name);
  884.         // Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
  885.         if ($this->has8bitChars(substr($address, ++$pos)) and $this->idnSupported()) {
  886.             if ($kind != 'Reply-To') {
  887.                 if (!array_key_exists($address, $this->RecipientsQueue)) {
  888.                     $this->RecipientsQueue[$address] = $params;
  889.                     return true;
  890.                 }
  891.             } else {
  892.                 if (!array_key_exists($address, $this->ReplyToQueue)) {
  893.                     $this->ReplyToQueue[$address] = $params;
  894.                     return true;
  895.                 }
  896.             }
  897.             return false;
  898.         }
  899.         // Immediately add standard addresses without IDN.
  900.         return call_user_func_array(array($this, 'addAnAddress'), $params);
  901.     }
  902.  
  903.     /**
  904.      * Add an address to one of the recipient arrays or to the ReplyTo array.
  905.      * Addresses that have been added already return false, but do not throw exceptions.
  906.      * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
  907.      * @param string $address The email address to send, resp. to reply to
  908.      * @param string $name
  909.      * @throws phpmailerException
  910.      * @return boolean true on success, false if address already used or invalid in some way
  911.      * @access protected
  912.      */
  913.     protected function addAnAddress($kind, $address, $name = '')
  914.     {
  915.         if (!in_array($kind, array('to', 'cc', 'bcc', 'Reply-To'))) {
  916.             $error_message = $this->lang('Invalid recipient kind: ') . $kind;
  917.             $this->setError($error_message);
  918.             $this->edebug($error_message);
  919.             if ($this->exceptions) {
  920.                 throw new phpmailerException($error_message);
  921.             }
  922.             return false;
  923.         }
  924.         if (!$this->validateAddress($address)) {
  925.             $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
  926.             $this->setError($error_message);
  927.             $this->edebug($error_message);
  928.             if ($this->exceptions) {
  929.                 throw new phpmailerException($error_message);
  930.             }
  931.             return false;
  932.         }
  933.         if ($kind != 'Reply-To') {
  934.             if (!array_key_exists(strtolower($address), $this->all_recipients)) {
  935.                 array_push($this->$kind, array($address, $name));
  936.                 $this->all_recipients[strtolower($address)] = true;
  937.                 return true;
  938.             }
  939.         } else {
  940.             if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
  941.                 $this->ReplyTo[strtolower($address)] = array($address, $name);
  942.                 return true;
  943.             }
  944.         }
  945.         return false;
  946.     }
  947.  
  948.     /**
  949.      * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
  950.      * of the form "display name <address>" into an array of name/address pairs.
  951.      * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
  952.      * Note that quotes in the name part are removed.
  953.      * @param string $addrstr The address list string
  954.      * @param bool $useimap Whether to use the IMAP extension to parse the list
  955.      * @return array
  956.      * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
  957.      */
  958.     public function parseAddresses($addrstr, $useimap = true)
  959.     {
  960.         $addresses = array();
  961.         if ($useimap and function_exists('imap_rfc822_parse_adrlist')) {
  962.             //Use this built-in parser if it's available
  963.             $list = imap_rfc822_parse_adrlist($addrstr, '');
  964.             foreach ($list as $address) {
  965.                 if ($address->host != '.SYNTAX-ERROR.') {
  966.                     if ($this->validateAddress($address->mailbox . '@' . $address->host)) {
  967.                         $addresses[] = array(
  968.                             'name' => (property_exists($address, 'personal') ? $address->personal : ''),
  969.                             'address' => $address->mailbox . '@' . $address->host
  970.                         );
  971.                     }
  972.                 }
  973.             }
  974.         } else {
  975.             //Use this simpler parser
  976.             $list = explode(',', $addrstr);
  977.             foreach ($list as $address) {
  978.                 $address = trim($address);
  979.                 //Is there a separate name part?
  980.                 if (strpos($address, '<') === false) {
  981.                     //No separate name, just use the whole thing
  982.                     if ($this->validateAddress($address)) {
  983.                         $addresses[] = array(
  984.                             'name' => '',
  985.                             'address' => $address
  986.                         );
  987.                     }
  988.                 } else {
  989.                     list($name, $email) = explode('<', $address);
  990.                     $email = trim(str_replace('>', '', $email));
  991.                     if ($this->validateAddress($email)) {
  992.                         $addresses[] = array(
  993.                             'name' => trim(str_replace(array('"', "'"), '', $name)),
  994.                             'address' => $email
  995.                         );
  996.                     }
  997.                 }
  998.             }
  999.         }
  1000.         return $addresses;
  1001.     }
  1002.  
  1003.     /**
  1004.      * Set the From and FromName properties.
  1005.      * @param string $address
  1006.      * @param string $name
  1007.      * @param boolean $auto Whether to also set the Sender address, defaults to true
  1008.      * @throws phpmailerException
  1009.      * @return boolean
  1010.      */
  1011.     public function setFrom($address, $name = '', $auto = true)
  1012.     {
  1013.         $address = trim($address);
  1014.         $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
  1015.         // Don't validate now addresses with IDN. Will be done in send().
  1016.         if (($pos = strrpos($address, '@')) === false or
  1017.             (!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and
  1018.             !$this->validateAddress($address)) {
  1019.             $error_message = $this->lang('invalid_address') . " (setFrom) $address";
  1020.             $this->setError($error_message);
  1021.             $this->edebug($error_message);
  1022.             if ($this->exceptions) {
  1023.                 throw new phpmailerException($error_message);
  1024.             }
  1025.             return false;
  1026.         }
  1027.         $this->From = $address;
  1028.         $this->FromName = $name;
  1029.         if ($auto) {
  1030.             if (empty($this->Sender)) {
  1031.                 $this->Sender = $address;
  1032.             }
  1033.         }
  1034.         return true;
  1035.     }
  1036.  
  1037.     /**
  1038.      * Return the Message-ID header of the last email.
  1039.      * Technically this is the value from the last time the headers were created,
  1040.      * but it's also the message ID of the last sent message except in
  1041.      * pathological cases.
  1042.      * @return string
  1043.      */
  1044.     public function getLastMessageID()
  1045.     {
  1046.         return $this->lastMessageID;
  1047.     }
  1048.  
  1049.     /**
  1050.      * Check that a string looks like an email address.
  1051.      * @param string $address The email address to check
  1052.      * @param string|callable $patternselect A selector for the validation pattern to use :
  1053.      * * `auto` Pick best pattern automatically;
  1054.      * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
  1055.      * * `pcre` Use old PCRE implementation;
  1056.      * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
  1057.      * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
  1058.      * * `noregex` Don't use a regex: super fast, really dumb.
  1059.      * Alternatively you may pass in a callable to inject your own validator, for example:
  1060.      * PHPMailer::validateAddress('user@example.com', function($address) {
  1061.      *     return (strpos($address, '@') !== false);
  1062.      * });
  1063.      * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
  1064.      * @return boolean
  1065.      * @static
  1066.      * @access public
  1067.      */
  1068.     public static function validateAddress($address, $patternselect = null)
  1069.     {
  1070.         if (is_null($patternselect)) {
  1071.             $patternselect = self::$validator;
  1072.         }
  1073.         if (is_callable($patternselect)) {
  1074.             return call_user_func($patternselect, $address);
  1075.         }
  1076.         //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
  1077.         if (strpos($address, "\n") !== false or strpos($address, "\r") !== false) {
  1078.             return false;
  1079.         }
  1080.         if (!$patternselect or $patternselect == 'auto') {
  1081.             //Check this constant first so it works when extension_loaded() is disabled by safe mode
  1082.             //Constant was added in PHP 5.2.4
  1083.             if (defined('PCRE_VERSION')) {
  1084.                 //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
  1085.                 if (version_compare(PCRE_VERSION, '8.0.3') >= 0) {
  1086.                     $patternselect = 'pcre8';
  1087.                 } else {
  1088.                     $patternselect = 'pcre';
  1089.                 }
  1090.             } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) {
  1091.                 //Fall back to older PCRE
  1092.                 $patternselect = 'pcre';
  1093.             } else {
  1094.                 //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
  1095.                 if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
  1096.                     $patternselect = 'php';
  1097.                 } else {
  1098.                     $patternselect = 'noregex';
  1099.                 }
  1100.             }
  1101.         }
  1102.         switch ($patternselect) {
  1103.             case 'pcre8':
  1104.                 /**
  1105.                  * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
  1106.                  * @link http://squiloople.com/2009/12/20/email-address-validation/
  1107.                  * @copyright 2009-2010 Michael Rushton
  1108.                  * Feel free to use and redistribute this code. But please keep this copyright notice.
  1109.                  */
  1110.                 return (boolean)preg_match(
  1111.                     '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
  1112.                     '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
  1113.                     '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
  1114.                     '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
  1115.                     '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
  1116.                     '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
  1117.                     '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
  1118.                     '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
  1119.                     '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
  1120.                     $address
  1121.                 );
  1122.             case 'pcre':
  1123.                 //An older regex that doesn't need a recent PCRE
  1124.                 return (boolean)preg_match(
  1125.                     '/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
  1126.                     '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
  1127.                     '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
  1128.                     '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
  1129.                     '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
  1130.                     '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
  1131.                     '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
  1132.                     '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
  1133.                     '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
  1134.                     '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
  1135.                     $address
  1136.                 );
  1137.             case 'html5':
  1138.                 /**
  1139.                  * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
  1140.                  * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
  1141.                  */
  1142.                 return (boolean)preg_match(
  1143.                     '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
  1144.                     '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
  1145.                     $address
  1146.                 );
  1147.             case 'noregex':
  1148.                 //No PCRE! Do something _very_ approximate!
  1149.                 //Check the address is 3 chars or longer and contains an @ that's not the first or last char
  1150.                 return (strlen($address) >= 3
  1151.                     and strpos($address, '@') >= 1
  1152.                     and strpos($address, '@') != strlen($address) - 1);
  1153.             case 'php':
  1154.             default:
  1155.                 return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
  1156.         }
  1157.     }
  1158.  
  1159.     /**
  1160.      * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
  1161.      * "intl" and "mbstring" PHP extensions.
  1162.      * @return bool "true" if required functions for IDN support are present
  1163.      */
  1164.     public function idnSupported()
  1165.     {
  1166.         // @TODO: Write our own "idn_to_ascii" function for PHP <= 5.2.
  1167.         return function_exists('idn_to_ascii') and function_exists('mb_convert_encoding');
  1168.     }
  1169.  
  1170.     /**
  1171.      * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
  1172.      * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
  1173.      * This function silently returns unmodified address if:
  1174.      * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
  1175.      * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
  1176.      *   or fails for any reason (e.g. domain has characters not allowed in an IDN)
  1177.      * @see PHPMailer::$CharSet
  1178.      * @param string $address The email address to convert
  1179.      * @return string The encoded address in ASCII form
  1180.      */
  1181.     public function punyencodeAddress($address)
  1182.     {
  1183.         // Verify we have required functions, CharSet, and at-sign.
  1184.         if ($this->idnSupported() and
  1185.             !empty($this->CharSet) and
  1186.             ($pos = strrpos($address, '@')) !== false) {
  1187.             $domain = substr($address, ++$pos);
  1188.             // Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
  1189.             if ($this->has8bitChars($domain) and @mb_check_encoding($domain, $this->CharSet)) {
  1190.                 $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet);
  1191.                 if (($punycode = defined('INTL_IDNA_VARIANT_UTS46') ?
  1192.                     idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) :
  1193.                     idn_to_ascii($domain)) !== false) {
  1194.                     return substr($address, 0, $pos) . $punycode;
  1195.                 }
  1196.             }
  1197.         }
  1198.         return $address;
  1199.     }
  1200.  
  1201.     /**
  1202.      * Create a message and send it.
  1203.      * Uses the sending method specified by $Mailer.
  1204.      * @throws phpmailerException
  1205.      * @return boolean false on error - See the ErrorInfo property for details of the error.
  1206.      */
  1207.     public function send()
  1208.     {
  1209.         try {
  1210.             if (!$this->preSend()) {
  1211.                 return false;
  1212.             }
  1213.             return $this->postSend();
  1214.         } catch (phpmailerException $exc) {
  1215.             $this->mailHeader = '';
  1216.             $this->setError($exc->getMessage());
  1217.             if ($this->exceptions) {
  1218.                 throw $exc;
  1219.             }
  1220.             return false;
  1221.         }
  1222.     }
  1223.  
  1224.     /**
  1225.      * Prepare a message for sending.
  1226.      * @throws phpmailerException
  1227.      * @return boolean
  1228.      */
  1229.     public function preSend()
  1230.     {
  1231.         try {
  1232.             $this->error_count = 0; // Reset errors
  1233.             $this->mailHeader = '';
  1234.  
  1235.             // Dequeue recipient and Reply-To addresses with IDN
  1236.             foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
  1237.                 $params[1] = $this->punyencodeAddress($params[1]);
  1238.                 call_user_func_array(array($this, 'addAnAddress'), $params);
  1239.             }
  1240.             if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
  1241.                 throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL);
  1242.             }
  1243.  
  1244.             // Validate From, Sender, and ConfirmReadingTo addresses
  1245.             foreach (array('From', 'Sender', 'ConfirmReadingTo') as $address_kind) {
  1246.                 $this->$address_kind = trim($this->$address_kind);
  1247.                 if (empty($this->$address_kind)) {
  1248.                     continue;
  1249.                 }
  1250.                 $this->$address_kind = $this->punyencodeAddress($this->$address_kind);
  1251.                 if (!$this->validateAddress($this->$address_kind)) {
  1252.                     $error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind;
  1253.                     $this->setError($error_message);
  1254.                     $this->edebug($error_message);
  1255.                     if ($this->exceptions) {
  1256.                         throw new phpmailerException($error_message);
  1257.                     }
  1258.                     return false;
  1259.                 }
  1260.             }
  1261.  
  1262.             // Set whether the message is multipart/alternative
  1263.             if ($this->alternativeExists()) {
  1264.                 $this->ContentType = 'multipart/alternative';
  1265.             }
  1266.  
  1267.             $this->setMessageType();
  1268.             // Refuse to send an empty message unless we are specifically allowing it
  1269.             if (!$this->AllowEmpty and empty($this->Body)) {
  1270.                 throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL);
  1271.             }
  1272.  
  1273.             // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
  1274.             $this->MIMEHeader = '';
  1275.             $this->MIMEBody = $this->createBody();
  1276.             // createBody may have added some headers, so retain them
  1277.             $tempheaders = $this->MIMEHeader;
  1278.             $this->MIMEHeader = $this->createHeader();
  1279.             $this->MIMEHeader .= $tempheaders;
  1280.  
  1281.             // To capture the complete message when using mail(), create
  1282.             // an extra header list which createHeader() doesn't fold in
  1283.             if ($this->Mailer == 'mail') {
  1284.                 if (count($this->to) > 0) {
  1285.                     $this->mailHeader .= $this->addrAppend('To', $this->to);
  1286.                 } else {
  1287.                     $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
  1288.                 }
  1289.                 $this->mailHeader .= $this->headerLine(
  1290.                     'Subject',
  1291.                     $this->encodeHeader($this->secureHeader(trim($this->Subject)))
  1292.                 );
  1293.             }
  1294.  
  1295.             // Sign with DKIM if enabled
  1296.             if (!empty($this->DKIM_domain)
  1297.                 && !empty($this->DKIM_selector)
  1298.                 && (!empty($this->DKIM_private_string)
  1299.                    || (!empty($this->DKIM_private) && file_exists($this->DKIM_private))
  1300.                 )
  1301.             ) {
  1302.                 $header_dkim = $this->DKIM_Add(
  1303.                     $this->MIMEHeader . $this->mailHeader,
  1304.                     $this->encodeHeader($this->secureHeader($this->Subject)),
  1305.                     $this->MIMEBody
  1306.                 );
  1307.                 $this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF .
  1308.                     str_replace("\r\n", "\n", $header_dkim) . self::CRLF;
  1309.             }
  1310.             return true;
  1311.         } catch (phpmailerException $exc) {
  1312.             $this->setError($exc->getMessage());
  1313.             if ($this->exceptions) {
  1314.                 throw $exc;
  1315.             }
  1316.             return false;
  1317.         }
  1318.     }
  1319.  
  1320.     /**
  1321.      * Actually send a message.
  1322.      * Send the email via the selected mechanism
  1323.      * @throws phpmailerException
  1324.      * @return boolean
  1325.      */
  1326.     public function postSend()
  1327.     {
  1328.         try {
  1329.             // Choose the mailer and send through it
  1330.             switch ($this->Mailer) {
  1331.                 case 'sendmail':
  1332.                 case 'qmail':
  1333.                     return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
  1334.                 case 'smtp':
  1335.                     return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
  1336.                 case 'mail':
  1337.                     return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
  1338.                 default:
  1339.                     $sendMethod = $this->Mailer.'Send';
  1340.                     if (method_exists($this, $sendMethod)) {
  1341.                         return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
  1342.                     }
  1343.  
  1344.                     return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
  1345.             }
  1346.         } catch (phpmailerException $exc) {
  1347.             $this->setError($exc->getMessage());
  1348.             $this->edebug($exc->getMessage());
  1349.             if ($this->exceptions) {
  1350.                 throw $exc;
  1351.             }
  1352.         }
  1353.         return false;
  1354.     }
  1355.  
  1356.     /**
  1357.      * Send mail using the $Sendmail program.
  1358.      * @param string $header The message headers
  1359.      * @param string $body The message body
  1360.      * @see PHPMailer::$Sendmail
  1361.      * @throws phpmailerException
  1362.      * @access protected
  1363.      * @return boolean
  1364.      */
  1365.     protected function sendmailSend($header, $body)
  1366.     {
  1367.         // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
  1368.         if (!empty($this->Sender) and self::isShellSafe($this->Sender)) {
  1369.             if ($this->Mailer == 'qmail') {
  1370.                 $sendmailFmt = '%s -f%s';
  1371.             } else {
  1372.                 $sendmailFmt = '%s -oi -f%s -t';
  1373.             }
  1374.         } else {
  1375.             if ($this->Mailer == 'qmail') {
  1376.                 $sendmailFmt = '%s';
  1377.             } else {
  1378.                 $sendmailFmt = '%s -oi -t';
  1379.             }
  1380.         }
  1381.  
  1382.         // TODO: If possible, this should be changed to escapeshellarg.  Needs thorough testing.
  1383.         $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);
  1384.  
  1385.         if ($this->SingleTo) {
  1386.             foreach ($this->SingleToArray as $toAddr) {
  1387.                 if (!@$mail = popen($sendmail, 'w')) {
  1388.                     throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
  1389.                 }
  1390.                 fputs($mail, 'To: ' . $toAddr . "\n");
  1391.                 fputs($mail, $header);
  1392.                 fputs($mail, $body);
  1393.                 $result = pclose($mail);
  1394.                 $this->doCallback(
  1395.                     ($result == 0),
  1396.                     array($toAddr),
  1397.                     $this->cc,
  1398.                     $this->bcc,
  1399.                     $this->Subject,
  1400.                     $body,
  1401.                     $this->From
  1402.                 );
  1403.                 if ($result != 0) {
  1404.                     throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
  1405.                 }
  1406.             }
  1407.         } else {
  1408.             if (!@$mail = popen($sendmail, 'w')) {
  1409.                 throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
  1410.             }
  1411.             fputs($mail, $header);
  1412.             fputs($mail, $body);
  1413.             $result = pclose($mail);
  1414.             $this->doCallback(
  1415.                 ($result == 0),
  1416.                 $this->to,
  1417.                 $this->cc,
  1418.                 $this->bcc,
  1419.                 $this->Subject,
  1420.                 $body,
  1421.                 $this->From
  1422.             );
  1423.             if ($result != 0) {
  1424.                 throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
  1425.             }
  1426.         }
  1427.         return true;
  1428.     }
  1429.  
  1430.     /**
  1431.      * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
  1432.      *
  1433.      * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
  1434.      * @param string $string The string to be validated
  1435.      * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
  1436.      * @access protected
  1437.      * @return boolean
  1438.      */
  1439.     protected static function isShellSafe($string)
  1440.     {
  1441.         // Future-proof
  1442.         if (escapeshellcmd($string) !== $string
  1443.             or !in_array(escapeshellarg($string), array("'$string'", "\"$string\""))
  1444.         ) {
  1445.             return false;
  1446.         }
  1447.  
  1448.         $length = strlen($string);
  1449.  
  1450.         for ($i = 0; $i < $length; $i++) {
  1451.             $c = $string[$i];
  1452.  
  1453.             // All other characters have a special meaning in at least one common shell, including = and +.
  1454.             // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
  1455.             // Note that this does permit non-Latin alphanumeric characters based on the current locale.
  1456.             if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
  1457.                 return false;
  1458.             }
  1459.         }
  1460.  
  1461.         return true;
  1462.     }
  1463.  
  1464.     /**
  1465.      * Send mail using the PHP mail() function.
  1466.      * @param string $header The message headers
  1467.      * @param string $body The message body
  1468.      * @link http://www.php.net/manual/en/book.mail.php
  1469.      * @throws phpmailerException
  1470.      * @access protected
  1471.      * @return boolean
  1472.      */
  1473.     protected function mailSend($header, $body)
  1474.     {
  1475.         $toArr = array();
  1476.         foreach ($this->to as $toaddr) {
  1477.             $toArr[] = $this->addrFormat($toaddr);
  1478.         }
  1479.         $to = implode(', ', $toArr);
  1480.  
  1481.         $params = null;
  1482.         //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
  1483.         if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
  1484.             // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
  1485.             if (self::isShellSafe($this->Sender)) {
  1486.                 $params = sprintf('-f%s', $this->Sender);
  1487.             }
  1488.         }
  1489.         if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) {
  1490.             $old_from = ini_get('sendmail_from');
  1491.             ini_set('sendmail_from', $this->Sender);
  1492.         }
  1493.         $result = false;
  1494.         if ($this->SingleTo and count($toArr) > 1) {
  1495.             foreach ($toArr as $toAddr) {
  1496.                 $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
  1497.                 $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
  1498.             }
  1499.         } else {
  1500.             $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
  1501.             $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
  1502.         }
  1503.         if (isset($old_from)) {
  1504.             ini_set('sendmail_from', $old_from);
  1505.         }
  1506.         if (!$result) {
  1507.             throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL);
  1508.         }
  1509.         return true;
  1510.     }
  1511.  
  1512.     /**
  1513.      * Get an instance to use for SMTP operations.
  1514.      * Override this function to load your own SMTP implementation
  1515.      * @return SMTP
  1516.      */
  1517.     public function getSMTPInstance()
  1518.     {
  1519.         if (!is_object($this->smtp)) {
  1520.             $this->smtp = new SMTP;
  1521.         }
  1522.         return $this->smtp;
  1523.     }
  1524.  
  1525.     /**
  1526.      * Send mail via SMTP.
  1527.      * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
  1528.      * Uses the PHPMailerSMTP class by default.
  1529.      * @see PHPMailer::getSMTPInstance() to use a different class.
  1530.      * @param string $header The message headers
  1531.      * @param string $body The message body
  1532.      * @throws phpmailerException
  1533.      * @uses SMTP
  1534.      * @access protected
  1535.      * @return boolean
  1536.      */
  1537.     protected function smtpSend($header, $body)
  1538.     {
  1539.         $bad_rcpt = array();
  1540.         if (!$this->smtpConnect($this->SMTPOptions)) {
  1541.             throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
  1542.         }
  1543.         if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
  1544.             $smtp_from = $this->Sender;
  1545.         } else {
  1546.             $smtp_from = $this->From;
  1547.         }
  1548.         if (!$this->smtp->mail($smtp_from)) {
  1549.             $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
  1550.             throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
  1551.         }
  1552.  
  1553.         // Attempt to send to all recipients
  1554.         foreach (array($this->to, $this->cc, $this->bcc) as $togroup) {
  1555.             foreach ($togroup as $to) {
  1556.                 if (!$this->smtp->recipient($to[0])) {
  1557.                     $error = $this->smtp->getError();
  1558.                     $bad_rcpt[] = array('to' => $to[0], 'error' => $error['detail']);
  1559.                     $isSent = false;
  1560.                 } else {
  1561.                     $isSent = true;
  1562.                 }
  1563.                 $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From);
  1564.             }
  1565.         }
  1566.  
  1567.         // Only send the DATA command if we have viable recipients
  1568.         if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) {
  1569.             throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL);
  1570.         }
  1571.         if ($this->SMTPKeepAlive) {
  1572.             $this->smtp->reset();
  1573.         } else {
  1574.             $this->smtp->quit();
  1575.             $this->smtp->close();
  1576.         }
  1577.         //Create error message for any bad addresses
  1578.         if (count($bad_rcpt) > 0) {
  1579.             $errstr = '';
  1580.             foreach ($bad_rcpt as $bad) {
  1581.                 $errstr .= $bad['to'] . ': ' . $bad['error'];
  1582.             }
  1583.             throw new phpmailerException(
  1584.                 $this->lang('recipients_failed') . $errstr,
  1585.                 self::STOP_CONTINUE
  1586.             );
  1587.         }
  1588.         return true;
  1589.     }
  1590.  
  1591.     /**
  1592.      * Initiate a connection to an SMTP server.
  1593.      * Returns false if the operation failed.
  1594.      * @param array $options An array of options compatible with stream_context_create()
  1595.      * @uses SMTP
  1596.      * @access public
  1597.      * @throws phpmailerException
  1598.      * @return boolean
  1599.      */
  1600.     public function smtpConnect($options = null)
  1601.     {
  1602.         if (is_null($this->smtp)) {
  1603.             $this->smtp = $this->getSMTPInstance();
  1604.         }
  1605.  
  1606.         //If no options are provided, use whatever is set in the instance
  1607.         if (is_null($options)) {
  1608.             $options = $this->SMTPOptions;
  1609.         }
  1610.  
  1611.         // Already connected?
  1612.         if ($this->smtp->connected()) {
  1613.             return true;
  1614.         }
  1615.  
  1616.         $this->smtp->setTimeout($this->Timeout);
  1617.         $this->smtp->setDebugLevel($this->SMTPDebug);
  1618.         $this->smtp->setDebugOutput($this->Debugoutput);
  1619.         $this->smtp->setVerp($this->do_verp);
  1620.         $hosts = explode(';', $this->Host);
  1621.         $lastexception = null;
  1622.  
  1623.         foreach ($hosts as $hostentry) {
  1624.             $hostinfo = array();
  1625.             if (!preg_match(
  1626.                 '/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*|\[[a-fA-F0-9:]+\]):?([0-9]*)$/',
  1627.                 trim($hostentry),
  1628.                 $hostinfo
  1629.             )) {
  1630.                 // Not a valid host entry
  1631.                 $this->edebug('Ignoring invalid host: ' . $hostentry);
  1632.                 continue;
  1633.             }
  1634.             // $hostinfo[2]: optional ssl or tls prefix
  1635.             // $hostinfo[3]: the hostname
  1636.             // $hostinfo[4]: optional port number
  1637.             // The host string prefix can temporarily override the current setting for SMTPSecure
  1638.             // If it's not specified, the default value is used
  1639.             $prefix = '';
  1640.             $secure = $this->SMTPSecure;
  1641.             $tls = ($this->SMTPSecure == 'tls');
  1642.             if ('ssl' == $hostinfo[2] or ('' == $hostinfo[2] and 'ssl' == $this->SMTPSecure)) {
  1643.                 $prefix = 'ssl://';
  1644.                 $tls = false; // Can't have SSL and TLS at the same time
  1645.                 $secure = 'ssl';
  1646.             } elseif ($hostinfo[2] == 'tls') {
  1647.                 $tls = true;
  1648.                 // tls doesn't use a prefix
  1649.                 $secure = 'tls';
  1650.             }
  1651.             //Do we need the OpenSSL extension?
  1652.             $sslext = defined('OPENSSL_ALGO_SHA1');
  1653.             if ('tls' === $secure or 'ssl' === $secure) {
  1654.                 //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
  1655.                 if (!$sslext) {
  1656.                     throw new phpmailerException($this->lang('extension_missing').'openssl', self::STOP_CRITICAL);
  1657.                 }
  1658.             }
  1659.             $host = $hostinfo[3];
  1660.             $port = $this->Port;
  1661.             $tport = (integer)$hostinfo[4];
  1662.             if ($tport > 0 and $tport < 65536) {
  1663.                 $port = $tport;
  1664.             }
  1665.             if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
  1666.                 try {
  1667.                     if ($this->Helo) {
  1668.                         $hello = $this->Helo;
  1669.                     } else {
  1670.                         $hello = $this->serverHostname();
  1671.                     }
  1672.                     $this->smtp->hello($hello);
  1673.                     //Automatically enable TLS encryption if:
  1674.                     // * it's not disabled
  1675.                     // * we have openssl extension
  1676.                     // * we are not already using SSL
  1677.                     // * the server offers STARTTLS
  1678.                     if ($this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt('STARTTLS')) {
  1679.                         $tls = true;
  1680.                     }
  1681.                     if ($tls) {
  1682.                         if (!$this->smtp->startTLS()) {
  1683.                             throw new phpmailerException($this->lang('connect_host'));
  1684.                         }
  1685.                         // We must resend EHLO after TLS negotiation
  1686.                         $this->smtp->hello($hello);
  1687.                     }
  1688.                     if ($this->SMTPAuth) {
  1689.                         if (!$this->smtp->authenticate(
  1690.                             $this->Username,
  1691.                             $this->Password,
  1692.                             $this->AuthType,
  1693.                             $this->Realm,
  1694.                             $this->Workstation
  1695.                         )
  1696.                         ) {
  1697.                             throw new phpmailerException($this->lang('authenticate'));
  1698.                         }
  1699.                     }
  1700.                     return true;
  1701.                 } catch (phpmailerException $exc) {
  1702.                     $lastexception = $exc;
  1703.                     $this->edebug($exc->getMessage());
  1704.                     // We must have connected, but then failed TLS or Auth, so close connection nicely
  1705.                     $this->smtp->quit();
  1706.                 }
  1707.             }
  1708.         }
  1709.         // If we get here, all connection attempts have failed, so close connection hard
  1710.         $this->smtp->close();
  1711.         // As we've caught all exceptions, just report whatever the last one was
  1712.         if ($this->exceptions and !is_null($lastexception)) {
  1713.             throw $lastexception;
  1714.         }
  1715.         return false;
  1716.     }
  1717.  
  1718.     /**
  1719.      * Close the active SMTP session if one exists.
  1720.      * @return void
  1721.      */
  1722.     public function smtpClose()
  1723.     {
  1724.         if (is_a($this->smtp, 'SMTP')) {
  1725.             if ($this->smtp->connected()) {
  1726.                 $this->smtp->quit();
  1727.                 $this->smtp->close();
  1728.             }
  1729.         }
  1730.     }
  1731.  
  1732.     /**
  1733.      * Set the language for error messages.
  1734.      * Returns false if it cannot load the language file.
  1735.      * The default language is English.
  1736.      * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
  1737.      * @param string $lang_path Path to the language file directory, with trailing separator (slash)
  1738.      * @return boolean
  1739.      * @access public
  1740.      */
  1741.     public function setLanguage($langcode = 'en', $lang_path = '')
  1742.     {
  1743.         // Backwards compatibility for renamed language codes
  1744.         $renamed_langcodes = array(
  1745.             'br' => 'pt_br',
  1746.             'cz' => 'cs',
  1747.             'dk' => 'da',
  1748.             'no' => 'nb',
  1749.             'se' => 'sv',
  1750.             'sr' => 'rs'
  1751.         );
  1752.  
  1753.         if (isset($renamed_langcodes[$langcode])) {
  1754.             $langcode = $renamed_langcodes[$langcode];
  1755.         }
  1756.  
  1757.         // Define full set of translatable strings in English
  1758.         $PHPMAILER_LANG = array(
  1759.             'authenticate' => 'SMTP Error: Could not authenticate.',
  1760.             'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
  1761.             'data_not_accepted' => 'SMTP Error: data not accepted.',
  1762.             'empty_message' => 'Message body empty',
  1763.             'encoding' => 'Unknown encoding: ',
  1764.             'execute' => 'Could not execute: ',
  1765.             'file_access' => 'Could not access file: ',
  1766.             'file_open' => 'File Error: Could not open file: ',
  1767.             'from_failed' => 'The following From address failed: ',
  1768.             'instantiate' => 'Could not instantiate mail function.',
  1769.             'invalid_address' => 'Invalid address: ',
  1770.             'mailer_not_supported' => ' mailer is not supported.',
  1771.             'provide_address' => 'You must provide at least one recipient email address.',
  1772.             'recipients_failed' => 'SMTP Error: The following recipients failed: ',
  1773.             'signing' => 'Signing Error: ',
  1774.             'smtp_connect_failed' => 'SMTP connect() failed.',
  1775.             'smtp_error' => 'SMTP server error: ',
  1776.             'variable_set' => 'Cannot set or reset variable: ',
  1777.             'extension_missing' => 'Extension missing: '
  1778.         );
  1779.         if (empty($lang_path)) {
  1780.             // Calculate an absolute path so it can work if CWD is not here
  1781.             $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
  1782.         }
  1783.         //Validate $langcode
  1784.         if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
  1785.             $langcode = 'en';
  1786.         }
  1787.         $foundlang = true;
  1788.         $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
  1789.         // There is no English translation file
  1790.         if ($langcode != 'en') {
  1791.             // Make sure language file path is readable
  1792.             if (!is_readable($lang_file)) {
  1793.                 $foundlang = false;
  1794.             } else {
  1795.                 // Overwrite language-specific strings.
  1796.                 // This way we'll never have missing translation keys.
  1797.                 $foundlang = include $lang_file;
  1798.             }
  1799.         }
  1800.         $this->language = $PHPMAILER_LANG;
  1801.         return (boolean)$foundlang; // Returns false if language not found
  1802.     }
  1803.  
  1804.     /**
  1805.      * Get the array of strings for the current language.
  1806.      * @return array
  1807.      */
  1808.     public function getTranslations()
  1809.     {
  1810.         return $this->language;
  1811.     }
  1812.  
  1813.     /**
  1814.      * Create recipient headers.
  1815.      * @access public
  1816.      * @param string $type
  1817.      * @param array $addr An array of recipient,
  1818.      * where each recipient is a 2-element indexed array with element 0 containing an address
  1819.      * and element 1 containing a name, like:
  1820.      * array(array('joe@example.com', 'Joe User'), array('zoe@example.com', 'Zoe User'))
  1821.      * @return string
  1822.      */
  1823.     public function addrAppend($type, $addr)
  1824.     {
  1825.         $addresses = array();
  1826.         foreach ($addr as $address) {
  1827.             $addresses[] = $this->addrFormat($address);
  1828.         }
  1829.         return $type . ': ' . implode(', ', $addresses) . $this->LE;
  1830.     }
  1831.  
  1832.     /**
  1833.      * Format an address for use in a message header.
  1834.      * @access public
  1835.      * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
  1836.      *      like array('joe@example.com', 'Joe User')
  1837.      * @return string
  1838.      */
  1839.     public function addrFormat($addr)
  1840.     {
  1841.         if (empty($addr[1])) { // No name provided
  1842.             return $this->secureHeader($addr[0]);
  1843.         } else {
  1844.             return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader(
  1845.                 $addr[0]
  1846.             ) . '>';
  1847.         }
  1848.     }
  1849.  
  1850.     /**
  1851.      * Word-wrap message.
  1852.      * For use with mailers that do not automatically perform wrapping
  1853.      * and for quoted-printable encoded messages.
  1854.      * Original written by philippe.
  1855.      * @param string $message The message to wrap
  1856.      * @param integer $length The line length to wrap to
  1857.      * @param boolean $qp_mode Whether to run in Quoted-Printable mode
  1858.      * @access public
  1859.      * @return string
  1860.      */
  1861.     public function wrapText($message, $length, $qp_mode = false)
  1862.     {
  1863.         if ($qp_mode) {
  1864.             $soft_break = sprintf(' =%s', $this->LE);
  1865.         } else {
  1866.             $soft_break = $this->LE;
  1867.         }
  1868.         // If utf-8 encoding is used, we will need to make sure we don't
  1869.         // split multibyte characters when we wrap
  1870.         $is_utf8 = (strtolower($this->CharSet) == 'utf-8');
  1871.         $lelen = strlen($this->LE);
  1872.         $crlflen = strlen(self::CRLF);
  1873.  
  1874.         $message = $this->fixEOL($message);
  1875.         //Remove a trailing line break
  1876.         if (substr($message, -$lelen) == $this->LE) {
  1877.             $message = substr($message, 0, -$lelen);
  1878.         }
  1879.  
  1880.         //Split message into lines
  1881.         $lines = explode($this->LE, $message);
  1882.         //Message will be rebuilt in here
  1883.         $message = '';
  1884.         foreach ($lines as $line) {
  1885.             $words = explode(' ', $line);
  1886.             $buf = '';
  1887.             $firstword = true;
  1888.             foreach ($words as $word) {
  1889.                 if ($qp_mode and (strlen($word) > $length)) {
  1890.                     $space_left = $length - strlen($buf) - $crlflen;
  1891.                     if (!$firstword) {
  1892.                         if ($space_left > 20) {
  1893.                             $len = $space_left;
  1894.                             if ($is_utf8) {
  1895.                                 $len = $this->utf8CharBoundary($word, $len);
  1896.                             } elseif (substr($word, $len - 1, 1) == '=') {
  1897.                                 $len--;
  1898.                             } elseif (substr($word, $len - 2, 1) == '=') {
  1899.                                 $len -= 2;
  1900.                             }
  1901.                             $part = substr($word, 0, $len);
  1902.                             $word = substr($word, $len);
  1903.                             $buf .= ' ' . $part;
  1904.                             $message .= $buf . sprintf('=%s', self::CRLF);
  1905.                         } else {
  1906.                             $message .= $buf . $soft_break;
  1907.                         }
  1908.                         $buf = '';
  1909.                     }
  1910.                     while (strlen($word) > 0) {
  1911.                         if ($length <= 0) {
  1912.                             break;
  1913.                         }
  1914.                         $len = $length;
  1915.                         if ($is_utf8) {
  1916.                             $len = $this->utf8CharBoundary($word, $len);
  1917.                         } elseif (substr($word, $len - 1, 1) == '=') {
  1918.                             $len--;
  1919.                         } elseif (substr($word, $len - 2, 1) == '=') {
  1920.                             $len -= 2;
  1921.                         }
  1922.                         $part = substr($word, 0, $len);
  1923.                         $word = substr($word, $len);
  1924.  
  1925.                         if (strlen($word) > 0) {
  1926.                             $message .= $part . sprintf('=%s', self::CRLF);
  1927.                         } else {
  1928.                             $buf = $part;
  1929.                         }
  1930.                     }
  1931.                 } else {
  1932.                     $buf_o = $buf;
  1933.                     if (!$firstword) {
  1934.                         $buf .= ' ';
  1935.                     }
  1936.                     $buf .= $word;
  1937.  
  1938.                     if (strlen($buf) > $length and $buf_o != '') {
  1939.                         $message .= $buf_o . $soft_break;
  1940.                         $buf = $word;
  1941.                     }
  1942.                 }
  1943.                 $firstword = false;
  1944.             }
  1945.             $message .= $buf . self::CRLF;
  1946.         }
  1947.  
  1948.         return $message;
  1949.     }
  1950.  
  1951.     /**
  1952.      * Find the last character boundary prior to $maxLength in a utf-8
  1953.      * quoted-printable encoded string.
  1954.      * Original written by Colin Brown.
  1955.      * @access public
  1956.      * @param string $encodedText utf-8 QP text
  1957.      * @param integer $maxLength Find the last character boundary prior to this length
  1958.      * @return integer
  1959.      */
  1960.     public function utf8CharBoundary($encodedText, $maxLength)
  1961.     {
  1962.         $foundSplitPos = false;
  1963.         $lookBack = 3;
  1964.         while (!$foundSplitPos) {
  1965.             $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
  1966.             $encodedCharPos = strpos($lastChunk, '=');
  1967.             if (false !== $encodedCharPos) {
  1968.                 // Found start of encoded character byte within $lookBack block.
  1969.                 // Check the encoded byte value (the 2 chars after the '=')
  1970.                 $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
  1971.                 $dec = hexdec($hex);
  1972.                 if ($dec < 128) {
  1973.                     // Single byte character.
  1974.                     // If the encoded char was found at pos 0, it will fit
  1975.                     // otherwise reduce maxLength to start of the encoded char
  1976.                     if ($encodedCharPos > 0) {
  1977.                         $maxLength = $maxLength - ($lookBack - $encodedCharPos);
  1978.                     }
  1979.                     $foundSplitPos = true;
  1980.                 } elseif ($dec >= 192) {
  1981.                     // First byte of a multi byte character
  1982.                     // Reduce maxLength to split at start of character
  1983.                     $maxLength = $maxLength - ($lookBack - $encodedCharPos);
  1984.                     $foundSplitPos = true;
  1985.                 } elseif ($dec < 192) {
  1986.                     // Middle byte of a multi byte character, look further back
  1987.                     $lookBack += 3;
  1988.                 }
  1989.             } else {
  1990.                 // No encoded character found
  1991.                 $foundSplitPos = true;
  1992.             }
  1993.         }
  1994.         return $maxLength;
  1995.     }
  1996.  
  1997.     /**
  1998.      * Apply word wrapping to the message body.
  1999.      * Wraps the message body to the number of chars set in the WordWrap property.
  2000.      * You should only do this to plain-text bodies as wrapping HTML tags may break them.
  2001.      * This is called automatically by createBody(), so you don't need to call it yourself.
  2002.      * @access public
  2003.      * @return void
  2004.      */
  2005.     public function setWordWrap()
  2006.     {
  2007.         if ($this->WordWrap < 1) {
  2008.             return;
  2009.         }
  2010.  
  2011.         switch ($this->message_type) {
  2012.             case 'alt':
  2013.             case 'alt_inline':
  2014.             case 'alt_attach':
  2015.             case 'alt_inline_attach':
  2016.                 $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
  2017.                 break;
  2018.             default:
  2019.                 $this->Body = $this->wrapText($this->Body, $this->WordWrap);
  2020.                 break;
  2021.         }
  2022.     }
  2023.  
  2024.     /**
  2025.      * Assemble message headers.
  2026.      * @access public
  2027.      * @return string The assembled headers
  2028.      */
  2029.     public function createHeader()
  2030.     {
  2031.         $result = '';
  2032.  
  2033.         $result .= $this->headerLine('Date', $this->MessageDate == '' ? self::rfcDate() : $this->MessageDate);
  2034.  
  2035.         // To be created automatically by mail()
  2036.         if ($this->SingleTo) {
  2037.             if ($this->Mailer != 'mail') {
  2038.                 foreach ($this->to as $toaddr) {
  2039.                     $this->SingleToArray[] = $this->addrFormat($toaddr);
  2040.                 }
  2041.             }
  2042.         } else {
  2043.             if (count($this->to) > 0) {
  2044.                 if ($this->Mailer != 'mail') {
  2045.                     $result .= $this->addrAppend('To', $this->to);
  2046.                 }
  2047.             } elseif (count($this->cc) == 0) {
  2048.                 $result .= $this->headerLine('To', 'undisclosed-recipients:;');
  2049.             }
  2050.         }
  2051.  
  2052.         $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName)));
  2053.  
  2054.         // sendmail and mail() extract Cc from the header before sending
  2055.         if (count($this->cc) > 0) {
  2056.             $result .= $this->addrAppend('Cc', $this->cc);
  2057.         }
  2058.  
  2059.         // sendmail and mail() extract Bcc from the header before sending
  2060.         if ((
  2061.                 $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
  2062.             )
  2063.             and count($this->bcc) > 0
  2064.         ) {
  2065.             $result .= $this->addrAppend('Bcc', $this->bcc);
  2066.         }
  2067.  
  2068.         if (count($this->ReplyTo) > 0) {
  2069.             $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
  2070.         }
  2071.  
  2072.         // mail() sets the subject itself
  2073.         if ($this->Mailer != 'mail') {
  2074.             $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
  2075.         }
  2076.  
  2077.         // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
  2078.         // https://tools.ietf.org/html/rfc5322#section-3.6.4
  2079.         if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) {
  2080.             $this->lastMessageID = $this->MessageID;
  2081.         } else {
  2082.             $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
  2083.         }
  2084.         $result .= $this->headerLine('Message-ID', $this->lastMessageID);
  2085.         if (!is_null($this->Priority)) {
  2086.             $result .= $this->headerLine('X-Priority', $this->Priority);
  2087.         }
  2088.         if ($this->XMailer == '') {
  2089.             $result .= $this->headerLine(
  2090.                 'X-Mailer',
  2091.                 'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)'
  2092.             );
  2093.         } else {
  2094.             $myXmailer = trim($this->XMailer);
  2095.             if ($myXmailer) {
  2096.                 $result .= $this->headerLine('X-Mailer', $myXmailer);
  2097.             }
  2098.         }
  2099.  
  2100.         if ($this->ConfirmReadingTo != '') {
  2101.             $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>');
  2102.         }
  2103.  
  2104.         // Add custom headers
  2105.         foreach ($this->CustomHeader as $header) {
  2106.             $result .= $this->headerLine(
  2107.                 trim($header[0]),
  2108.                 $this->encodeHeader(trim($header[1]))
  2109.             );
  2110.         }
  2111.         if (!$this->sign_key_file) {
  2112.             $result .= $this->headerLine('MIME-Version', '1.0');
  2113.             $result .= $this->getMailMIME();
  2114.         }
  2115.  
  2116.         return $result;
  2117.     }
  2118.  
  2119.     /**
  2120.      * Get the message MIME type headers.
  2121.      * @access public
  2122.      * @return string
  2123.      */
  2124.     public function getMailMIME()
  2125.     {
  2126.         $result = '';
  2127.         $ismultipart = true;
  2128.         switch ($this->message_type) {
  2129.             case 'inline':
  2130.                 $result .= $this->headerLine('Content-Type', 'multipart/related;');
  2131.                 $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
  2132.                 break;
  2133.             case 'attach':
  2134.             case 'inline_attach':
  2135.             case 'alt_attach':
  2136.             case 'alt_inline_attach':
  2137.                 $result .= $this->headerLine('Content-Type', 'multipart/mixed;');
  2138.                 $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
  2139.                 break;
  2140.             case 'alt':
  2141.             case 'alt_inline':
  2142.                 $result .= $this->headerLine('Content-Type', 'multipart/alternative;');
  2143.                 $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
  2144.                 break;
  2145.             default:
  2146.                 // Catches case 'plain': and case '':
  2147.                 $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
  2148.                 $ismultipart = false;
  2149.                 break;
  2150.         }
  2151.         // RFC1341 part 5 says 7bit is assumed if not specified
  2152.         if ($this->Encoding != '7bit') {
  2153.             // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
  2154.             if ($ismultipart) {
  2155.                 if ($this->Encoding == '8bit') {
  2156.                     $result .= $this->headerLine('Content-Transfer-Encoding', '8bit');
  2157.                 }
  2158.                 // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
  2159.             } else {
  2160.                 $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
  2161.             }
  2162.         }
  2163.  
  2164.         if ($this->Mailer != 'mail') {
  2165.             $result .= $this->LE;
  2166.         }
  2167.  
  2168.         return $result;
  2169.     }
  2170.  
  2171.     /**
  2172.      * Returns the whole MIME message.
  2173.      * Includes complete headers and body.
  2174.      * Only valid post preSend().
  2175.      * @see PHPMailer::preSend()
  2176.      * @access public
  2177.      * @return string
  2178.      */
  2179.     public function getSentMIMEMessage()
  2180.     {
  2181.         return rtrim($this->MIMEHeader . $this->mailHeader, "\n\r") . self::CRLF . self::CRLF . $this->MIMEBody;
  2182.     }
  2183.  
  2184.     /**
  2185.      * Create unique ID
  2186.      * @return string
  2187.      */
  2188.     protected function generateId() {
  2189.         return md5(uniqid(time()));
  2190.     }
  2191.  
  2192.     /**
  2193.      * Assemble the message body.
  2194.      * Returns an empty string on failure.
  2195.      * @access public
  2196.      * @throws phpmailerException
  2197.      * @return string The assembled message body
  2198.      */
  2199.     public function createBody()
  2200.     {
  2201.         $body = '';
  2202.         //Create unique IDs and preset boundaries
  2203.         $this->uniqueid = $this->generateId();
  2204.         $this->boundary[1] = 'b1_' . $this->uniqueid;
  2205.         $this->boundary[2] = 'b2_' . $this->uniqueid;
  2206.         $this->boundary[3] = 'b3_' . $this->uniqueid;
  2207.  
  2208.         if ($this->sign_key_file) {
  2209.             $body .= $this->getMailMIME() . $this->LE;
  2210.         }
  2211.  
  2212.         $this->setWordWrap();
  2213.  
  2214.         $bodyEncoding = $this->Encoding;
  2215.         $bodyCharSet = $this->CharSet;
  2216.         //Can we do a 7-bit downgrade?
  2217.         if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
  2218.             $bodyEncoding = '7bit';
  2219.             //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
  2220.             $bodyCharSet = 'us-ascii';
  2221.         }
  2222.         //If lines are too long, and we're not already using an encoding that will shorten them,
  2223.         //change to quoted-printable transfer encoding for the body part only
  2224.         if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) {
  2225.             $bodyEncoding = 'quoted-printable';
  2226.         }
  2227.  
  2228.         $altBodyEncoding = $this->Encoding;
  2229.         $altBodyCharSet = $this->CharSet;
  2230.         //Can we do a 7-bit downgrade?
  2231.         if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
  2232.             $altBodyEncoding = '7bit';
  2233.             //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
  2234.             $altBodyCharSet = 'us-ascii';
  2235.         }
  2236.         //If lines are too long, and we're not already using an encoding that will shorten them,
  2237.         //change to quoted-printable transfer encoding for the alt body part only
  2238.         if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) {
  2239.             $altBodyEncoding = 'quoted-printable';
  2240.         }
  2241.         //Use this as a preamble in all multipart message types
  2242.         $mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE;
  2243.         switch ($this->message_type) {
  2244.             case 'inline':
  2245.                 $body .= $mimepre;
  2246.                 $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
  2247.                 $body .= $this->encodeString($this->Body, $bodyEncoding);
  2248.                 $body .= $this->LE . $this->LE;
  2249.                 $body .= $this->attachAll('inline', $this->boundary[1]);
  2250.                 break;
  2251.             case 'attach':
  2252.                 $body .= $mimepre;
  2253.                 $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
  2254.                 $body .= $this->encodeString($this->Body, $bodyEncoding);
  2255.                 $body .= $this->LE . $this->LE;
  2256.                 $body .= $this->attachAll('attachment', $this->boundary[1]);
  2257.                 break;
  2258.             case 'inline_attach':
  2259.                 $body .= $mimepre;
  2260.                 $body .= $this->textLine('--' . $this->boundary[1]);
  2261.                 $body .= $this->headerLine('Content-Type', 'multipart/related;');
  2262.                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
  2263.                 $body .= $this->LE;
  2264.                 $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
  2265.                 $body .= $this->encodeString($this->Body, $bodyEncoding);
  2266.                 $body .= $this->LE . $this->LE;
  2267.                 $body .= $this->attachAll('inline', $this->boundary[2]);
  2268.                 $body .= $this->LE;
  2269.                 $body .= $this->attachAll('attachment', $this->boundary[1]);
  2270.                 break;
  2271.             case 'alt':
  2272.                 $body .= $mimepre;
  2273.                 $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
  2274.                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
  2275.                 $body .= $this->LE . $this->LE;
  2276.                 $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding);
  2277.                 $body .= $this->encodeString($this->Body, $bodyEncoding);
  2278.                 $body .= $this->LE . $this->LE;
  2279.                 if (!empty($this->Ical)) {
  2280.                     $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
  2281.                     $body .= $this->encodeString($this->Ical, $this->Encoding);
  2282.                     $body .= $this->LE . $this->LE;
  2283.                 }
  2284.                 $body .= $this->endBoundary($this->boundary[1]);
  2285.                 break;
  2286.             case 'alt_inline':
  2287.                 $body .= $mimepre;
  2288.                 $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
  2289.                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
  2290.                 $body .= $this->LE . $this->LE;
  2291.                 $body .= $this->textLine('--' . $this->boundary[1]);
  2292.                 $body .= $this->headerLine('Content-Type', 'multipart/related;');
  2293.                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
  2294.                 $body .= $this->LE;
  2295.                 $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
  2296.                 $body .= $this->encodeString($this->Body, $bodyEncoding);
  2297.                 $body .= $this->LE . $this->LE;
  2298.                 $body .= $this->attachAll('inline', $this->boundary[2]);
  2299.                 $body .= $this->LE;
  2300.                 $body .= $this->endBoundary($this->boundary[1]);
  2301.                 break;
  2302.             case 'alt_attach':
  2303.                 $body .= $mimepre;
  2304.                 $body .= $this->textLine('--' . $this->boundary[1]);
  2305.                 $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
  2306.                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
  2307.                 $body .= $this->LE;
  2308.                 $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
  2309.                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
  2310.                 $body .= $this->LE . $this->LE;
  2311.                 $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
  2312.                 $body .= $this->encodeString($this->Body, $bodyEncoding);
  2313.                 $body .= $this->LE . $this->LE;
  2314.                 $body .= $this->endBoundary($this->boundary[2]);
  2315.                 $body .= $this->LE;
  2316.                 $body .= $this->attachAll('attachment', $this->boundary[1]);
  2317.                 break;
  2318.             case 'alt_inline_attach':
  2319.                 $body .= $mimepre;
  2320.                 $body .= $this->textLine('--' . $this->boundary[1]);
  2321.                 $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
  2322.                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
  2323.                 $body .= $this->LE;
  2324.                 $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
  2325.                 $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
  2326.                 $body .= $this->LE . $this->LE;
  2327.                 $body .= $this->textLine('--' . $this->boundary[2]);
  2328.                 $body .= $this->headerLine('Content-Type', 'multipart/related;');
  2329.                 $body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"');
  2330.                 $body .= $this->LE;
  2331.                 $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding);
  2332.                 $body .= $this->encodeString($this->Body, $bodyEncoding);
  2333.                 $body .= $this->LE . $this->LE;
  2334.                 $body .= $this->attachAll('inline', $this->boundary[3]);
  2335.                 $body .= $this->LE;
  2336.                 $body .= $this->endBoundary($this->boundary[2]);
  2337.                 $body .= $this->LE;
  2338.                 $body .= $this->attachAll('attachment', $this->boundary[1]);
  2339.                 break;
  2340.             default:
  2341.                 // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
  2342.                 //Reset the `Encoding` property in case we changed it for line length reasons
  2343.                 $this->Encoding = $bodyEncoding;
  2344.                 $body .= $this->encodeString($this->Body, $this->Encoding);
  2345.                 break;
  2346.         }
  2347.  
  2348.         if ($this->isError()) {
  2349.             $body = '';
  2350.         } elseif ($this->sign_key_file) {
  2351.             try {
  2352.                 if (!defined('PKCS7_TEXT')) {
  2353.                     throw new phpmailerException($this->lang('extension_missing') . 'openssl');
  2354.                 }
  2355.                 // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1
  2356.                 $file = tempnam(sys_get_temp_dir(), 'mail');
  2357.                 if (false === file_put_contents($file, $body)) {
  2358.                     throw new phpmailerException($this->lang('signing') . ' Could not write temp file');
  2359.                 }
  2360.                 $signed = tempnam(sys_get_temp_dir(), 'signed');
  2361.                 //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
  2362.                 if (empty($this->sign_extracerts_file)) {
  2363.                     $sign = @openssl_pkcs7_sign(
  2364.                         $file,
  2365.                         $signed,
  2366.                         'file://' . realpath($this->sign_cert_file),
  2367.                         array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
  2368.                         null
  2369.                     );
  2370.                 } else {
  2371.                     $sign = @openssl_pkcs7_sign(
  2372.                         $file,
  2373.                         $signed,
  2374.                         'file://' . realpath($this->sign_cert_file),
  2375.                         array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
  2376.                         null,
  2377.                         PKCS7_DETACHED,
  2378.                         $this->sign_extracerts_file
  2379.                     );
  2380.                 }
  2381.                 if ($sign) {
  2382.                     @unlink($file);
  2383.                     $body = file_get_contents($signed);
  2384.                     @unlink($signed);
  2385.                     //The message returned by openssl contains both headers and body, so need to split them up
  2386.                     $parts = explode("\n\n", $body, 2);
  2387.                     $this->MIMEHeader .= $parts[0] . $this->LE . $this->LE;
  2388.                     $body = $parts[1];
  2389.                 } else {
  2390.                     @unlink($file);
  2391.                     @unlink($signed);
  2392.                     throw new phpmailerException($this->lang('signing') . openssl_error_string());
  2393.                 }
  2394.             } catch (phpmailerException $exc) {
  2395.                 $body = '';
  2396.                 if ($this->exceptions) {
  2397.                     throw $exc;
  2398.                 }
  2399.             }
  2400.         }
  2401.         return $body;
  2402.     }
  2403.  
  2404.     /**
  2405.      * Return the start of a message boundary.
  2406.      * @access protected
  2407.      * @param string $boundary
  2408.      * @param string $charSet
  2409.      * @param string $contentType
  2410.      * @param string $encoding
  2411.      * @return string
  2412.      */
  2413.     protected function getBoundary($boundary, $charSet, $contentType, $encoding)
  2414.     {
  2415.         $result = '';
  2416.         if ($charSet == '') {
  2417.             $charSet = $this->CharSet;
  2418.         }
  2419.         if ($contentType == '') {
  2420.             $contentType = $this->ContentType;
  2421.         }
  2422.         if ($encoding == '') {
  2423.             $encoding = $this->Encoding;
  2424.         }
  2425.         $result .= $this->textLine('--' . $boundary);
  2426.         $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
  2427.         $result .= $this->LE;
  2428.         // RFC1341 part 5 says 7bit is assumed if not specified
  2429.         if ($encoding != '7bit') {
  2430.             $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
  2431.         }
  2432.         $result .= $this->LE;
  2433.  
  2434.         return $result;
  2435.     }
  2436.  
  2437.     /**
  2438.      * Return the end of a message boundary.
  2439.      * @access protected
  2440.      * @param string $boundary
  2441.      * @return string
  2442.      */
  2443.     protected function endBoundary($boundary)
  2444.     {
  2445.         return $this->LE . '--' . $boundary . '--' . $this->LE;
  2446.     }
  2447.  
  2448.     /**
  2449.      * Set the message type.
  2450.      * PHPMailer only supports some preset message types, not arbitrary MIME structures.
  2451.      * @access protected
  2452.      * @return void
  2453.      */
  2454.     protected function setMessageType()
  2455.     {
  2456.         $type = array();
  2457.         if ($this->alternativeExists()) {
  2458.             $type[] = 'alt';
  2459.         }
  2460.         if ($this->inlineImageExists()) {
  2461.             $type[] = 'inline';
  2462.         }
  2463.         if ($this->attachmentExists()) {
  2464.             $type[] = 'attach';
  2465.         }
  2466.         $this->message_type = implode('_', $type);
  2467.         if ($this->message_type == '') {
  2468.             //The 'plain' message_type refers to the message having a single body element, not that it is plain-text
  2469.             $this->message_type = 'plain';
  2470.         }
  2471.     }
  2472.  
  2473.     /**
  2474.      * Format a header line.
  2475.      * @access public
  2476.      * @param string $name
  2477.      * @param string $value
  2478.      * @return string
  2479.      */
  2480.     public function headerLine($name, $value)
  2481.     {
  2482.         return $name . ': ' . $value . $this->LE;
  2483.     }
  2484.  
  2485.     /**
  2486.      * Return a formatted mail line.
  2487.      * @access public
  2488.      * @param string $value
  2489.      * @return string
  2490.      */
  2491.     public function textLine($value)
  2492.     {
  2493.         return $value . $this->LE;
  2494.     }
  2495.  
  2496.     /**
  2497.      * Add an attachment from a path on the filesystem.
  2498.      * Never use a user-supplied path to a file!
  2499.      * Returns false if the file could not be found or read.
  2500.      * @param string $path Path to the attachment.
  2501.      * @param string $name Overrides the attachment name.
  2502.      * @param string $encoding File encoding (see $Encoding).
  2503.      * @param string $type File extension (MIME) type.
  2504.      * @param string $disposition Disposition to use
  2505.      * @throws phpmailerException
  2506.      * @return boolean
  2507.      */
  2508.     public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment')
  2509.     {
  2510.         try {
  2511.             if (!@is_file($path)) {
  2512.                 throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE);
  2513.             }
  2514.  
  2515.             // If a MIME type is not specified, try to work it out from the file name
  2516.             if ($type == '') {
  2517.                 $type = self::filenameToType($path);
  2518.             }
  2519.  
  2520.             $filename = basename($path);
  2521.             if ($name == '') {
  2522.                 $name = $filename;
  2523.             }
  2524.  
  2525.             $this->attachment[] = array(
  2526.                 0 => $path,
  2527.                 1 => $filename,
  2528.                 2 => $name,
  2529.                 3 => $encoding,
  2530.                 4 => $type,
  2531.                 5 => false, // isStringAttachment
  2532.                 6 => $disposition,
  2533.                 7 => 0
  2534.             );
  2535.  
  2536.         } catch (phpmailerException $exc) {
  2537.             $this->setError($exc->getMessage());
  2538.             $this->edebug($exc->getMessage());
  2539.             if ($this->exceptions) {
  2540.                 throw $exc;
  2541.             }
  2542.             return false;
  2543.         }
  2544.         return true;
  2545.     }
  2546.  
  2547.     /**
  2548.      * Return the array of attachments.
  2549.      * @return array
  2550.      */
  2551.     public function getAttachments()
  2552.     {
  2553.         return $this->attachment;
  2554.     }
  2555.  
  2556.     /**
  2557.      * Attach all file, string, and binary attachments to the message.
  2558.      * Returns an empty string on failure.
  2559.      * @access protected
  2560.      * @param string $disposition_type
  2561.      * @param string $boundary
  2562.      * @return string
  2563.      */
  2564.     protected function attachAll($disposition_type, $boundary)
  2565.     {
  2566.         // Return text of body
  2567.         $mime = array();
  2568.         $cidUniq = array();
  2569.         $incl = array();
  2570.  
  2571.         // Add all attachments
  2572.         foreach ($this->attachment as $attachment) {
  2573.             // Check if it is a valid disposition_filter
  2574.             if ($attachment[6] == $disposition_type) {
  2575.                 // Check for string attachment
  2576.                 $string = '';
  2577.                 $path = '';
  2578.                 $bString = $attachment[5];
  2579.                 if ($bString) {
  2580.                     $string = $attachment[0];
  2581.                 } else {
  2582.                     $path = $attachment[0];
  2583.                 }
  2584.  
  2585.                 $inclhash = md5(serialize($attachment));
  2586.                 if (in_array($inclhash, $incl)) {
  2587.                     continue;
  2588.                 }
  2589.                 $incl[] = $inclhash;
  2590.                 $name = $attachment[2];
  2591.                 $encoding = $attachment[3];
  2592.                 $type = $attachment[4];
  2593.                 $disposition = $attachment[6];
  2594.                 $cid = $attachment[7];
  2595.                 if ($disposition == 'inline' && array_key_exists($cid, $cidUniq)) {
  2596.                     continue;
  2597.                 }
  2598.                 $cidUniq[$cid] = true;
  2599.  
  2600.                 $mime[] = sprintf('--%s%s', $boundary, $this->LE);
  2601.                 //Only include a filename property if we have one
  2602.                 if (!empty($name)) {
  2603.                     $mime[] = sprintf(
  2604.                         'Content-Type: %s; name="%s"%s',
  2605.                         $type,
  2606.                         $this->encodeHeader($this->secureHeader($name)),
  2607.                         $this->LE
  2608.                     );
  2609.                 } else {
  2610.                     $mime[] = sprintf(
  2611.                         'Content-Type: %s%s',
  2612.                         $type,
  2613.                         $this->LE
  2614.                     );
  2615.                 }
  2616.                 // RFC1341 part 5 says 7bit is assumed if not specified
  2617.                 if ($encoding != '7bit') {
  2618.                     $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE);
  2619.                 }
  2620.  
  2621.                 if ($disposition == 'inline') {
  2622.                     $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE);
  2623.                 }
  2624.  
  2625.                 // If a filename contains any of these chars, it should be quoted,
  2626.                 // but not otherwise: RFC2183 & RFC2045 5.1
  2627.                 // Fixes a warning in IETF's msglint MIME checker
  2628.                 // Allow for bypassing the Content-Disposition header totally
  2629.                 if (!(empty($disposition))) {
  2630.                     $encoded_name = $this->encodeHeader($this->secureHeader($name));
  2631.                     if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name)) {
  2632.                         $mime[] = sprintf(
  2633.                             'Content-Disposition: %s; filename="%s"%s',
  2634.                             $disposition,
  2635.                             $encoded_name,
  2636.                             $this->LE . $this->LE
  2637.                         );
  2638.                     } else {
  2639.                         if (!empty($encoded_name)) {
  2640.                             $mime[] = sprintf(
  2641.                                 'Content-Disposition: %s; filename=%s%s',
  2642.                                 $disposition,
  2643.                                 $encoded_name,
  2644.                                 $this->LE . $this->LE
  2645.                             );
  2646.                         } else {
  2647.                             $mime[] = sprintf(
  2648.                                 'Content-Disposition: %s%s',
  2649.                                 $disposition,
  2650.                                 $this->LE . $this->LE
  2651.                             );
  2652.                         }
  2653.                     }
  2654.                 } else {
  2655.                     $mime[] = $this->LE;
  2656.                 }
  2657.  
  2658.                 // Encode as string attachment
  2659.                 if ($bString) {
  2660.                     $mime[] = $this->encodeString($string, $encoding);
  2661.                     if ($this->isError()) {
  2662.                         return '';
  2663.                     }
  2664.                     $mime[] = $this->LE . $this->LE;
  2665.                 } else {
  2666.                     $mime[] = $this->encodeFile($path, $encoding);
  2667.                     if ($this->isError()) {
  2668.                         return '';
  2669.                     }
  2670.                     $mime[] = $this->LE . $this->LE;
  2671.                 }
  2672.             }
  2673.         }
  2674.  
  2675.         $mime[] = sprintf('--%s--%s', $boundary, $this->LE);
  2676.  
  2677.         return implode('', $mime);
  2678.     }
  2679.  
  2680.     /**
  2681.      * Encode a file attachment in requested format.
  2682.      * Returns an empty string on failure.
  2683.      * @param string $path The full path to the file
  2684.      * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
  2685.      * @throws phpmailerException
  2686.      * @access protected
  2687.      * @return string
  2688.      */
  2689.     protected function encodeFile($path, $encoding = 'base64')
  2690.     {
  2691.         try {
  2692.             if (!is_readable($path)) {
  2693.                 throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
  2694.             }
  2695.             $magic_quotes = get_magic_quotes_runtime();
  2696.             if ($magic_quotes) {
  2697.                 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
  2698.                     set_magic_quotes_runtime(false);
  2699.                 } else {
  2700.                     //Doesn't exist in PHP 5.4, but we don't need to check because
  2701.                     //get_magic_quotes_runtime always returns false in 5.4+
  2702.                     //so it will never get here
  2703.                     ini_set('magic_quotes_runtime', false);
  2704.                 }
  2705.             }
  2706.             $file_buffer = file_get_contents($path);
  2707.             $file_buffer = $this->encodeString($file_buffer, $encoding);
  2708.             if ($magic_quotes) {
  2709.                 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
  2710.                     set_magic_quotes_runtime($magic_quotes);
  2711.                 } else {
  2712.                     ini_set('magic_quotes_runtime', $magic_quotes);
  2713.                 }
  2714.             }
  2715.             return $file_buffer;
  2716.         } catch (Exception $exc) {
  2717.             $this->setError($exc->getMessage());
  2718.             return '';
  2719.         }
  2720.     }
  2721.  
  2722.     /**
  2723.      * Encode a string in requested format.
  2724.      * Returns an empty string on failure.
  2725.      * @param string $str The text to encode
  2726.      * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
  2727.      * @access public
  2728.      * @return string
  2729.      */
  2730.     public function encodeString($str, $encoding = 'base64')
  2731.     {
  2732.         $encoded = '';
  2733.         switch (strtolower($encoding)) {
  2734.             case 'base64':
  2735.                 $encoded = chunk_split(base64_encode($str), 76, $this->LE);
  2736.                 break;
  2737.             case '7bit':
  2738.             case '8bit':
  2739.                 $encoded = $this->fixEOL($str);
  2740.                 // Make sure it ends with a line break
  2741.                 if (substr($encoded, -(strlen($this->LE))) != $this->LE) {
  2742.                     $encoded .= $this->LE;
  2743.                 }
  2744.                 break;
  2745.             case 'binary':
  2746.                 $encoded = $str;
  2747.                 break;
  2748.             case 'quoted-printable':
  2749.                 $encoded = $this->encodeQP($str);
  2750.                 break;
  2751.             default:
  2752.                 $this->setError($this->lang('encoding') . $encoding);
  2753.                 break;
  2754.         }
  2755.         return $encoded;
  2756.     }
  2757.  
  2758.     /**
  2759.      * Encode a header string optimally.
  2760.      * Picks shortest of Q, B, quoted-printable or none.
  2761.      * @access public
  2762.      * @param string $str
  2763.      * @param string $position
  2764.      * @return string
  2765.      */
  2766.     public function encodeHeader($str, $position = 'text')
  2767.     {
  2768.         $matchcount = 0;
  2769.         switch (strtolower($position)) {
  2770.             case 'phrase':
  2771.                 if (!preg_match('/[\200-\377]/', $str)) {
  2772.                     // Can't use addslashes as we don't know the value of magic_quotes_sybase
  2773.                     $encoded = addcslashes($str, "\0..\37\177\\\"");
  2774.                     if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
  2775.                         return ($encoded);
  2776.                     } else {
  2777.                         return ("\"$encoded\"");
  2778.                     }
  2779.                 }
  2780.                 $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
  2781.                 break;
  2782.             /** @noinspection PhpMissingBreakStatementInspection */
  2783.             case 'comment':
  2784.                 $matchcount = preg_match_all('/[()"]/', $str, $matches);
  2785.                 // Intentional fall-through
  2786.             case 'text':
  2787.             default:
  2788.                 $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
  2789.                 break;
  2790.         }
  2791.  
  2792.         //There are no chars that need encoding
  2793.         if ($matchcount == 0) {
  2794.             return ($str);
  2795.         }
  2796.  
  2797.         $maxlen = 75 - 7 - strlen($this->CharSet);
  2798.         // Try to select the encoding which should produce the shortest output
  2799.         if ($matchcount > strlen($str) / 3) {
  2800.             // More than a third of the content will need encoding, so B encoding will be most efficient
  2801.             $encoding = 'B';
  2802.             if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) {
  2803.                 // Use a custom function which correctly encodes and wraps long
  2804.                 // multibyte strings without breaking lines within a character
  2805.                 $encoded = $this->base64EncodeWrapMB($str, "\n");
  2806.             } else {
  2807.                 $encoded = base64_encode($str);
  2808.                 $maxlen -= $maxlen % 4;
  2809.                 $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
  2810.             }
  2811.         } else {
  2812.             $encoding = 'Q';
  2813.             $encoded = $this->encodeQ($str, $position);
  2814.             $encoded = $this->wrapText($encoded, $maxlen, true);
  2815.             $encoded = str_replace('=' . self::CRLF, "\n", trim($encoded));
  2816.         }
  2817.  
  2818.         $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded);
  2819.         $encoded = trim(str_replace("\n", $this->LE, $encoded));
  2820.  
  2821.         return $encoded;
  2822.     }
  2823.  
  2824.     /**
  2825.      * Check if a string contains multi-byte characters.
  2826.      * @access public
  2827.      * @param string $str multi-byte text to wrap encode
  2828.      * @return boolean
  2829.      */
  2830.     public function hasMultiBytes($str)
  2831.     {
  2832.         if (function_exists('mb_strlen')) {
  2833.             return (strlen($str) > mb_strlen($str, $this->CharSet));
  2834.         } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
  2835.             return false;
  2836.         }
  2837.     }
  2838.  
  2839.     /**
  2840.      * Does a string contain any 8-bit chars (in any charset)?
  2841.      * @param string $text
  2842.      * @return boolean
  2843.      */
  2844.     public function has8bitChars($text)
  2845.     {
  2846.         return (boolean)preg_match('/[\x80-\xFF]/', $text);
  2847.     }
  2848.  
  2849.     /**
  2850.      * Encode and wrap long multibyte strings for mail headers
  2851.      * without breaking lines within a character.
  2852.      * Adapted from a function by paravoid
  2853.      * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
  2854.      * @access public
  2855.      * @param string $str multi-byte text to wrap encode
  2856.      * @param string $linebreak string to use as linefeed/end-of-line
  2857.      * @return string
  2858.      */
  2859.     public function base64EncodeWrapMB($str, $linebreak = null)
  2860.     {
  2861.         $start = '=?' . $this->CharSet . '?B?';
  2862.         $end = '?=';
  2863.         $encoded = '';
  2864.         if ($linebreak === null) {
  2865.             $linebreak = $this->LE;
  2866.         }
  2867.  
  2868.         $mb_length = mb_strlen($str, $this->CharSet);
  2869.         // Each line must have length <= 75, including $start and $end
  2870.         $length = 75 - strlen($start) - strlen($end);
  2871.         // Average multi-byte ratio
  2872.         $ratio = $mb_length / strlen($str);
  2873.         // Base64 has a 4:3 ratio
  2874.         $avgLength = floor($length * $ratio * .75);
  2875.  
  2876.         for ($i = 0; $i < $mb_length; $i += $offset) {
  2877.             $lookBack = 0;
  2878.             do {
  2879.                 $offset = $avgLength - $lookBack;
  2880.                 $chunk = mb_substr($str, $i, $offset, $this->CharSet);
  2881.                 $chunk = base64_encode($chunk);
  2882.                 $lookBack++;
  2883.             } while (strlen($chunk) > $length);
  2884.             $encoded .= $chunk . $linebreak;
  2885.         }
  2886.  
  2887.         // Chomp the last linefeed
  2888.         $encoded = substr($encoded, 0, -strlen($linebreak));
  2889.         return $encoded;
  2890.     }
  2891.  
  2892.     /**
  2893.      * Encode a string in quoted-printable format.
  2894.      * According to RFC2045 section 6.7.
  2895.      * @access public
  2896.      * @param string $string The text to encode
  2897.      * @param integer $line_max Number of chars allowed on a line before wrapping
  2898.      * @return string
  2899.      * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
  2900.      */
  2901.     public function encodeQP($string, $line_max = 76)
  2902.     {
  2903.         // Use native function if it's available (>= PHP5.3)
  2904.         if (function_exists('quoted_printable_encode')) {
  2905.             return quoted_printable_encode($string);
  2906.         }
  2907.         // Fall back to a pure PHP implementation
  2908.         $string = str_replace(
  2909.             array('%20', '%0D%0A.', '%0D%0A', '%'),
  2910.             array(' ', "\r\n=2E", "\r\n", '='),
  2911.             rawurlencode($string)
  2912.         );
  2913.         return preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);
  2914.     }
  2915.  
  2916.     /**
  2917.      * Backward compatibility wrapper for an old QP encoding function that was removed.
  2918.      * @see PHPMailer::encodeQP()
  2919.      * @access public
  2920.      * @param string $string
  2921.      * @param integer $line_max
  2922.      * @param boolean $space_conv
  2923.      * @return string
  2924.      * @deprecated Use encodeQP instead.
  2925.      */
  2926.     public function encodeQPphp(
  2927.         $string,
  2928.         $line_max = 76,
  2929.         /** @noinspection PhpUnusedParameterInspection */ $space_conv = false
  2930.     ) {
  2931.         return $this->encodeQP($string, $line_max);
  2932.     }
  2933.  
  2934.     /**
  2935.      * Encode a string using Q encoding.
  2936.      * @link http://tools.ietf.org/html/rfc2047
  2937.      * @param string $str the text to encode
  2938.      * @param string $position Where the text is going to be used, see the RFC for what that means
  2939.      * @access public
  2940.      * @return string
  2941.      */
  2942.     public function encodeQ($str, $position = 'text')
  2943.     {
  2944.         // There should not be any EOL in the string
  2945.         $pattern = '';
  2946.         $encoded = str_replace(array("\r", "\n"), '', $str);
  2947.         switch (strtolower($position)) {
  2948.             case 'phrase':
  2949.                 // RFC 2047 section 5.3
  2950.                 $pattern = '^A-Za-z0-9!*+\/ -';
  2951.                 break;
  2952.             /** @noinspection PhpMissingBreakStatementInspection */
  2953.             case 'comment':
  2954.                 // RFC 2047 section 5.2
  2955.                 $pattern = '\(\)"';
  2956.                 // intentional fall-through
  2957.                 // for this reason we build the $pattern without including delimiters and []
  2958.             case 'text':
  2959.             default:
  2960.                 // RFC 2047 section 5.1
  2961.                 // Replace every high ascii, control, =, ? and _ characters
  2962.                 $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
  2963.                 break;
  2964.         }
  2965.         $matches = array();
  2966.         if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
  2967.             // If the string contains an '=', make sure it's the first thing we replace
  2968.             // so as to avoid double-encoding
  2969.             $eqkey = array_search('=', $matches[0]);
  2970.             if (false !== $eqkey) {
  2971.                 unset($matches[0][$eqkey]);
  2972.                 array_unshift($matches[0], '=');
  2973.             }
  2974.             foreach (array_unique($matches[0]) as $char) {
  2975.                 $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
  2976.             }
  2977.         }
  2978.         // Replace every spaces to _ (more readable than =20)
  2979.         return str_replace(' ', '_', $encoded);
  2980.     }
  2981.  
  2982.     /**
  2983.      * Add a string or binary attachment (non-filesystem).
  2984.      * This method can be used to attach ascii or binary data,
  2985.      * such as a BLOB record from a database.
  2986.      * @param string $string String attachment data.
  2987.      * @param string $filename Name of the attachment.
  2988.      * @param string $encoding File encoding (see $Encoding).
  2989.      * @param string $type File extension (MIME) type.
  2990.      * @param string $disposition Disposition to use
  2991.      * @return void
  2992.      */
  2993.     public function addStringAttachment(
  2994.         $string,
  2995.         $filename,
  2996.         $encoding = 'base64',
  2997.         $type = '',
  2998.         $disposition = 'attachment'
  2999.     ) {
  3000.         // If a MIME type is not specified, try to work it out from the file name
  3001.         if ($type == '') {
  3002.             $type = self::filenameToType($filename);
  3003.         }
  3004.         // Append to $attachment array
  3005.         $this->attachment[] = array(
  3006.             0 => $string,
  3007.             1 => $filename,
  3008.             2 => basename($filename),
  3009.             3 => $encoding,
  3010.             4 => $type,
  3011.             5 => true, // isStringAttachment
  3012.             6 => $disposition,
  3013.             7 => 0
  3014.         );
  3015.     }
  3016.  
  3017.     /**
  3018.      * Add an embedded (inline) attachment from a file.
  3019.      * This can include images, sounds, and just about any other document type.
  3020.      * These differ from 'regular' attachments in that they are intended to be
  3021.      * displayed inline with the message, not just attached for download.
  3022.      * This is used in HTML messages that embed the images
  3023.      * the HTML refers to using the $cid value.
  3024.      * Never use a user-supplied path to a file!
  3025.      * @param string $path Path to the attachment.
  3026.      * @param string $cid Content ID of the attachment; Use this to reference
  3027.      *        the content when using an embedded image in HTML.
  3028.      * @param string $name Overrides the attachment name.
  3029.      * @param string $encoding File encoding (see $Encoding).
  3030.      * @param string $type File MIME type.
  3031.      * @param string $disposition Disposition to use
  3032.      * @return boolean True on successfully adding an attachment
  3033.      */
  3034.     public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline')
  3035.     {
  3036.         if (!@is_file($path)) {
  3037.             $this->setError($this->lang('file_access') . $path);
  3038.             return false;
  3039.         }
  3040.  
  3041.         // If a MIME type is not specified, try to work it out from the file name
  3042.         if ($type == '') {
  3043.             $type = self::filenameToType($path);
  3044.         }
  3045.  
  3046.         $filename = basename($path);
  3047.         if ($name == '') {
  3048.             $name = $filename;
  3049.         }
  3050.  
  3051.         // Append to $attachment array
  3052.         $this->attachment[] = array(
  3053.             0 => $path,
  3054.             1 => $filename,
  3055.             2 => $name,
  3056.             3 => $encoding,
  3057.             4 => $type,
  3058.             5 => false, // isStringAttachment
  3059.             6 => $disposition,
  3060.             7 => $cid
  3061.         );
  3062.         return true;
  3063.     }
  3064.  
  3065.     /**
  3066.      * Add an embedded stringified attachment.
  3067.      * This can include images, sounds, and just about any other document type.
  3068.      * Be sure to set the $type to an image type for images:
  3069.      * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
  3070.      * @param string $string The attachment binary data.
  3071.      * @param string $cid Content ID of the attachment; Use this to reference
  3072.      *        the content when using an embedded image in HTML.
  3073.      * @param string $name
  3074.      * @param string $encoding File encoding (see $Encoding).
  3075.      * @param string $type MIME type.
  3076.      * @param string $disposition Disposition to use
  3077.      * @return boolean True on successfully adding an attachment
  3078.      */
  3079.     public function addStringEmbeddedImage(
  3080.         $string,
  3081.         $cid,
  3082.         $name = '',
  3083.         $encoding = 'base64',
  3084.         $type = '',
  3085.         $disposition = 'inline'
  3086.     ) {
  3087.         // If a MIME type is not specified, try to work it out from the name
  3088.         if ($type == '' and !empty($name)) {
  3089.             $type = self::filenameToType($name);
  3090.         }
  3091.  
  3092.         // Append to $attachment array
  3093.         $this->attachment[] = array(
  3094.             0 => $string,
  3095.             1 => $name,
  3096.             2 => $name,
  3097.             3 => $encoding,
  3098.             4 => $type,
  3099.             5 => true, // isStringAttachment
  3100.             6 => $disposition,
  3101.             7 => $cid
  3102.         );
  3103.         return true;
  3104.     }
  3105.  
  3106.     /**
  3107.      * Check if an inline attachment is present.
  3108.      * @access public
  3109.      * @return boolean
  3110.      */
  3111.     public function inlineImageExists()
  3112.     {
  3113.         foreach ($this->attachment as $attachment) {
  3114.             if ($attachment[6] == 'inline') {
  3115.                 return true;
  3116.             }
  3117.         }
  3118.         return false;
  3119.     }
  3120.  
  3121.     /**
  3122.      * Check if an attachment (non-inline) is present.
  3123.      * @return boolean
  3124.      */
  3125.     public function attachmentExists()
  3126.     {
  3127.         foreach ($this->attachment as $attachment) {
  3128.             if ($attachment[6] == 'attachment') {
  3129.                 return true;
  3130.             }
  3131.         }
  3132.         return false;
  3133.     }
  3134.  
  3135.     /**
  3136.      * Check if this message has an alternative body set.
  3137.      * @return boolean
  3138.      */
  3139.     public function alternativeExists()
  3140.     {
  3141.         return !empty($this->AltBody);
  3142.     }
  3143.  
  3144.     /**
  3145.      * Clear queued addresses of given kind.
  3146.      * @access protected
  3147.      * @param string $kind 'to', 'cc', or 'bcc'
  3148.      * @return void
  3149.      */
  3150.     public function clearQueuedAddresses($kind)
  3151.     {
  3152.         $RecipientsQueue = $this->RecipientsQueue;
  3153.         foreach ($RecipientsQueue as $address => $params) {
  3154.             if ($params[0] == $kind) {
  3155.                 unset($this->RecipientsQueue[$address]);
  3156.             }
  3157.         }
  3158.     }
  3159.  
  3160.     /**
  3161.      * Clear all To recipients.
  3162.      * @return void
  3163.      */
  3164.     public function clearAddresses()
  3165.     {
  3166.         foreach ($this->to as $to) {
  3167.             unset($this->all_recipients[strtolower($to[0])]);
  3168.         }
  3169.         $this->to = array();
  3170.         $this->clearQueuedAddresses('to');
  3171.     }
  3172.  
  3173.     /**
  3174.      * Clear all CC recipients.
  3175.      * @return void
  3176.      */
  3177.     public function clearCCs()
  3178.     {
  3179.         foreach ($this->cc as $cc) {
  3180.             unset($this->all_recipients[strtolower($cc[0])]);
  3181.         }
  3182.         $this->cc = array();
  3183.         $this->clearQueuedAddresses('cc');
  3184.     }
  3185.  
  3186.     /**
  3187.      * Clear all BCC recipients.
  3188.      * @return void
  3189.      */
  3190.     public function clearBCCs()
  3191.     {
  3192.         foreach ($this->bcc as $bcc) {
  3193.             unset($this->all_recipients[strtolower($bcc[0])]);
  3194.         }
  3195.         $this->bcc = array();
  3196.         $this->clearQueuedAddresses('bcc');
  3197.     }
  3198.  
  3199.     /**
  3200.      * Clear all ReplyTo recipients.
  3201.      * @return void
  3202.      */
  3203.     public function clearReplyTos()
  3204.     {
  3205.         $this->ReplyTo = array();
  3206.         $this->ReplyToQueue = array();
  3207.     }
  3208.  
  3209.     /**
  3210.      * Clear all recipient types.
  3211.      * @return void
  3212.      */
  3213.     public function clearAllRecipients()
  3214.     {
  3215.         $this->to = array();
  3216.         $this->cc = array();
  3217.         $this->bcc = array();
  3218.         $this->all_recipients = array();
  3219.         $this->RecipientsQueue = array();
  3220.     }
  3221.  
  3222.     /**
  3223.      * Clear all filesystem, string, and binary attachments.
  3224.      * @return void
  3225.      */
  3226.     public function clearAttachments()
  3227.     {
  3228.         $this->attachment = array();
  3229.     }
  3230.  
  3231.     /**
  3232.      * Clear all custom headers.
  3233.      * @return void
  3234.      */
  3235.     public function clearCustomHeaders()
  3236.     {
  3237.         $this->CustomHeader = array();
  3238.     }
  3239.  
  3240.     /**
  3241.      * Add an error message to the error container.
  3242.      * @access protected
  3243.      * @param string $msg
  3244.      * @return void
  3245.      */
  3246.     protected function setError($msg)
  3247.     {
  3248.         $this->error_count++;
  3249.         if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
  3250.             $lasterror = $this->smtp->getError();
  3251.             if (!empty($lasterror['error'])) {
  3252.                 $msg .= $this->lang('smtp_error') . $lasterror['error'];
  3253.                 if (!empty($lasterror['detail'])) {
  3254.                     $msg .= ' Detail: '. $lasterror['detail'];
  3255.                 }
  3256.                 if (!empty($lasterror['smtp_code'])) {
  3257.                     $msg .= ' SMTP code: ' . $lasterror['smtp_code'];
  3258.                 }
  3259.                 if (!empty($lasterror['smtp_code_ex'])) {
  3260.                     $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
  3261.                 }
  3262.             }
  3263.         }
  3264.         $this->ErrorInfo = $msg;
  3265.     }
  3266.  
  3267.     /**
  3268.      * Return an RFC 822 formatted date.
  3269.      * @access public
  3270.      * @return string
  3271.      * @static
  3272.      */
  3273.     public static function rfcDate()
  3274.     {
  3275.         // Set the time zone to whatever the default is to avoid 500 errors
  3276.         // Will default to UTC if it's not set properly in php.ini
  3277.         date_default_timezone_set(@date_default_timezone_get());
  3278.         return date('D, j M Y H:i:s O');
  3279.     }
  3280.  
  3281.     /**
  3282.      * Get the server hostname.
  3283.      * Returns 'localhost.localdomain' if unknown.
  3284.      * @access protected
  3285.      * @return string
  3286.      */
  3287.     protected function serverHostname()
  3288.     {
  3289.         $result = 'localhost.localdomain';
  3290.         if (!empty($this->Hostname)) {
  3291.             $result = $this->Hostname;
  3292.         } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
  3293.             $result = $_SERVER['SERVER_NAME'];
  3294.         } elseif (function_exists('gethostname') && gethostname() !== false) {
  3295.             $result = gethostname();
  3296.         } elseif (php_uname('n') !== false) {
  3297.             $result = php_uname('n');
  3298.         }
  3299.         return $result;
  3300.     }
  3301.  
  3302.     /**
  3303.      * Get an error message in the current language.
  3304.      * @access protected
  3305.      * @param string $key
  3306.      * @return string
  3307.      */
  3308.     protected function lang($key)
  3309.     {
  3310.         if (count($this->language) < 1) {
  3311.             $this->setLanguage('en'); // set the default language
  3312.         }
  3313.  
  3314.         if (array_key_exists($key, $this->language)) {
  3315.             if ($key == 'smtp_connect_failed') {
  3316.                 //Include a link to troubleshooting docs on SMTP connection failure
  3317.                 //this is by far the biggest cause of support questions
  3318.                 //but it's usually not PHPMailer's fault.
  3319.                 return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
  3320.             }
  3321.             return $this->language[$key];
  3322.         } else {
  3323.             //Return the key as a fallback
  3324.             return $key;
  3325.         }
  3326.     }
  3327.  
  3328.     /**
  3329.      * Check if an error occurred.
  3330.      * @access public
  3331.      * @return boolean True if an error did occur.
  3332.      */
  3333.     public function isError()
  3334.     {
  3335.         return ($this->error_count > 0);
  3336.     }
  3337.  
  3338.     /**
  3339.      * Ensure consistent line endings in a string.
  3340.      * Changes every end of line from CRLF, CR or LF to $this->LE.
  3341.      * @access public
  3342.      * @param string $str String to fixEOL
  3343.      * @return string
  3344.      */
  3345.     public function fixEOL($str)
  3346.     {
  3347.         // Normalise to \n
  3348.         $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
  3349.         // Now convert LE as needed
  3350.         if ($this->LE !== "\n") {
  3351.             $nstr = str_replace("\n", $this->LE, $nstr);
  3352.         }
  3353.         return $nstr;
  3354.     }
  3355.  
  3356.     /**
  3357.      * Add a custom header.
  3358.      * $name value can be overloaded to contain
  3359.      * both header name and value (name:value)
  3360.      * @access public
  3361.      * @param string $name Custom header name
  3362.      * @param string $value Header value
  3363.      * @return void
  3364.      */
  3365.     public function addCustomHeader($name, $value = null)
  3366.     {
  3367.         if ($value === null) {
  3368.             // Value passed in as name:value
  3369.             $this->CustomHeader[] = explode(':', $name, 2);
  3370.         } else {
  3371.             $this->CustomHeader[] = array($name, $value);
  3372.         }
  3373.     }
  3374.  
  3375.     /**
  3376.      * Returns all custom headers.
  3377.      * @return array
  3378.      */
  3379.     public function getCustomHeaders()
  3380.     {
  3381.         return $this->CustomHeader;
  3382.     }
  3383.  
  3384.     /**
  3385.      * Create a message body from an HTML string.
  3386.      * Automatically inlines images and creates a plain-text version by converting the HTML,
  3387.      * overwriting any existing values in Body and AltBody.
  3388.      * Do not source $message content from user input!
  3389.      * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty
  3390.      * will look for an image file in $basedir/images/a.png and convert it to inline.
  3391.      * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email)
  3392.      * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly.
  3393.      * @access public
  3394.      * @param string $message HTML message string
  3395.      * @param string $basedir Absolute path to a base directory to prepend to relative paths to images
  3396.      * @param boolean|callable $advanced Whether to use the internal HTML to text converter
  3397.      *    or your own custom converter @see PHPMailer::html2text()
  3398.      * @return string $message The transformed message Body
  3399.      */
  3400.     public function msgHTML($message, $basedir = '', $advanced = false)
  3401.     {
  3402.         preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
  3403.         if (array_key_exists(2, $images)) {
  3404.             if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
  3405.                 // Ensure $basedir has a trailing /
  3406.                 $basedir .= '/';
  3407.             }
  3408.             foreach ($images[2] as $imgindex => $url) {
  3409.                 // Convert data URIs into embedded images
  3410.                 if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
  3411.                     $data = substr($url, strpos($url, ','));
  3412.                     if ($match[2]) {
  3413.                         $data = base64_decode($data);
  3414.                     } else {
  3415.                         $data = rawurldecode($data);
  3416.                     }
  3417.                     $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
  3418.                     if ($this->addStringEmbeddedImage($data, $cid, 'embed' . $imgindex, 'base64', $match[1])) {
  3419.                         $message = str_replace(
  3420.                             $images[0][$imgindex],
  3421.                             $images[1][$imgindex] . '="cid:' . $cid . '"',
  3422.                             $message
  3423.                         );
  3424.                     }
  3425.                     continue;
  3426.                 }
  3427.                 if (
  3428.                     // Only process relative URLs if a basedir is provided (i.e. no absolute local paths)
  3429.                     !empty($basedir)
  3430.                     // Ignore URLs containing parent dir traversal (..)
  3431.                     && (strpos($url, '..') === false)
  3432.                     // Do not change urls that are already inline images
  3433.                     && substr($url, 0, 4) !== 'cid:'
  3434.                     // Do not change absolute URLs, including anonymous protocol
  3435.                     && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url)
  3436.                 ) {
  3437.                     $filename = basename($url);
  3438.                     $directory = dirname($url);
  3439.                     if ($directory == '.') {
  3440.                         $directory = '';
  3441.                     }
  3442.                     $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
  3443.                     if (strlen($directory) > 1 && substr($directory, -1) != '/') {
  3444.                         $directory .= '/';
  3445.                     }
  3446.                     if ($this->addEmbeddedImage(
  3447.                         $basedir . $directory . $filename,
  3448.                         $cid,
  3449.                         $filename,
  3450.                         'base64',
  3451.                         self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION))
  3452.                     )
  3453.                     ) {
  3454.                         $message = preg_replace(
  3455.                             '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
  3456.                             $images[1][$imgindex] . '="cid:' . $cid . '"',
  3457.                             $message
  3458.                         );
  3459.                     }
  3460.                 }
  3461.             }
  3462.         }
  3463.         $this->isHTML(true);
  3464.         // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
  3465.         $this->Body = $this->normalizeBreaks($message);
  3466.         $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
  3467.         if (!$this->alternativeExists()) {
  3468.             $this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
  3469.                 self::CRLF . self::CRLF;
  3470.         }
  3471.         return $this->Body;
  3472.     }
  3473.  
  3474.     /**
  3475.      * Convert an HTML string into plain text.
  3476.      * This is used by msgHTML().
  3477.      * Note - older versions of this function used a bundled advanced converter
  3478.      * which was been removed for license reasons in #232.
  3479.      * Example usage:
  3480.      * <code>
  3481.      * // Use default conversion
  3482.      * $plain = $mail->html2text($html);
  3483.      * // Use your own custom converter
  3484.      * $plain = $mail->html2text($html, function($html) {
  3485.      *     $converter = new MyHtml2text($html);
  3486.      *     return $converter->get_text();
  3487.      * });
  3488.      * </code>
  3489.      * @param string $html The HTML text to convert
  3490.      * @param boolean|callable $advanced Any boolean value to use the internal converter,
  3491.      *   or provide your own callable for custom conversion.
  3492.      * @return string
  3493.      */
  3494.     public function html2text($html, $advanced = false)
  3495.     {
  3496.         if (is_callable($advanced)) {
  3497.             return call_user_func($advanced, $html);
  3498.         }
  3499.         return html_entity_decode(
  3500.             trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
  3501.             ENT_QUOTES,
  3502.             $this->CharSet
  3503.         );
  3504.     }
  3505.  
  3506.     /**
  3507.      * Get the MIME type for a file extension.
  3508.      * @param string $ext File extension
  3509.      * @access public
  3510.      * @return string MIME type of file.
  3511.      * @static
  3512.      */
  3513.     public static function _mime_types($ext = '')
  3514.     {
  3515.         $mimes = array(
  3516.             'xl'    => 'application/excel',
  3517.             'js'    => 'application/javascript',
  3518.             'hqx'   => 'application/mac-binhex40',
  3519.             'cpt'   => 'application/mac-compactpro',
  3520.             'bin'   => 'application/macbinary',
  3521.             'doc'   => 'application/msword',
  3522.             'word'  => 'application/msword',
  3523.             'xlsx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
  3524.             'xltx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
  3525.             'potx'  => 'application/vnd.openxmlformats-officedocument.presentationml.template',
  3526.             'ppsx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
  3527.             'pptx'  => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
  3528.             'sldx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
  3529.             'docx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
  3530.             'dotx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
  3531.             'xlam'  => 'application/vnd.ms-excel.addin.macroEnabled.12',
  3532.             'xlsb'  => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
  3533.             'class' => 'application/octet-stream',
  3534.             'dll'   => 'application/octet-stream',
  3535.             'dms'   => 'application/octet-stream',
  3536.             'exe'   => 'application/octet-stream',
  3537.             'lha'   => 'application/octet-stream',
  3538.             'lzh'   => 'application/octet-stream',
  3539.             'psd'   => 'application/octet-stream',
  3540.             'sea'   => 'application/octet-stream',
  3541.             'so'    => 'application/octet-stream',
  3542.             'oda'   => 'application/oda',
  3543.             'pdf'   => 'application/pdf',
  3544.             'ai'    => 'application/postscript',
  3545.             'eps'   => 'application/postscript',
  3546.             'ps'    => 'application/postscript',
  3547.             'smi'   => 'application/smil',
  3548.             'smil'  => 'application/smil',
  3549.             'mif'   => 'application/vnd.mif',
  3550.             'xls'   => 'application/vnd.ms-excel',
  3551.             'ppt'   => 'application/vnd.ms-powerpoint',
  3552.             'wbxml' => 'application/vnd.wap.wbxml',
  3553.             'wmlc'  => 'application/vnd.wap.wmlc',
  3554.             'dcr'   => 'application/x-director',
  3555.             'dir'   => 'application/x-director',
  3556.             'dxr'   => 'application/x-director',
  3557.             'dvi'   => 'application/x-dvi',
  3558.             'gtar'  => 'application/x-gtar',
  3559.             'php3'  => 'application/x-httpd-php',
  3560.             'php4'  => 'application/x-httpd-php',
  3561.             'php'   => 'application/x-httpd-php',
  3562.             'phtml' => 'application/x-httpd-php',
  3563.             'phps'  => 'application/x-httpd-php-source',
  3564.             'swf'   => 'application/x-shockwave-flash',
  3565.             'sit'   => 'application/x-stuffit',
  3566.             'tar'   => 'application/x-tar',
  3567.             'tgz'   => 'application/x-tar',
  3568.             'xht'   => 'application/xhtml+xml',
  3569.             'xhtml' => 'application/xhtml+xml',
  3570.             'zip'   => 'application/zip',
  3571.             'mid'   => 'audio/midi',
  3572.             'midi'  => 'audio/midi',
  3573.             'mp2'   => 'audio/mpeg',
  3574.             'mp3'   => 'audio/mpeg',
  3575.             'mpga'  => 'audio/mpeg',
  3576.             'aif'   => 'audio/x-aiff',
  3577.             'aifc'  => 'audio/x-aiff',
  3578.             'aiff'  => 'audio/x-aiff',
  3579.             'ram'   => 'audio/x-pn-realaudio',
  3580.             'rm'    => 'audio/x-pn-realaudio',
  3581.             'rpm'   => 'audio/x-pn-realaudio-plugin',
  3582.             'ra'    => 'audio/x-realaudio',
  3583.             'wav'   => 'audio/x-wav',
  3584.             'bmp'   => 'image/bmp',
  3585.             'gif'   => 'image/gif',
  3586.             'jpeg'  => 'image/jpeg',
  3587.             'jpe'   => 'image/jpeg',
  3588.             'jpg'   => 'image/jpeg',
  3589.             'png'   => 'image/png',
  3590.             'tiff'  => 'image/tiff',
  3591.             'tif'   => 'image/tiff',
  3592.             'eml'   => 'message/rfc822',
  3593.             'css'   => 'text/css',
  3594.             'html'  => 'text/html',
  3595.             'htm'   => 'text/html',
  3596.             'shtml' => 'text/html',
  3597.             'log'   => 'text/plain',
  3598.             'text'  => 'text/plain',
  3599.             'txt'   => 'text/plain',
  3600.             'rtx'   => 'text/richtext',
  3601.             'rtf'   => 'text/rtf',
  3602.             'vcf'   => 'text/vcard',
  3603.             'vcard' => 'text/vcard',
  3604.             'xml'   => 'text/xml',
  3605.             'xsl'   => 'text/xml',
  3606.             'mpeg'  => 'video/mpeg',
  3607.             'mpe'   => 'video/mpeg',
  3608.             'mpg'   => 'video/mpeg',
  3609.             'mov'   => 'video/quicktime',
  3610.             'qt'    => 'video/quicktime',
  3611.             'rv'    => 'video/vnd.rn-realvideo',
  3612.             'avi'   => 'video/x-msvideo',
  3613.             'movie' => 'video/x-sgi-movie'
  3614.         );
  3615.         if (array_key_exists(strtolower($ext), $mimes)) {
  3616.             return $mimes[strtolower($ext)];
  3617.         }
  3618.         return 'application/octet-stream';
  3619.     }
  3620.  
  3621.     /**
  3622.      * Map a file name to a MIME type.
  3623.      * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
  3624.      * @param string $filename A file name or full path, does not need to exist as a file
  3625.      * @return string
  3626.      * @static
  3627.      */
  3628.     public static function filenameToType($filename)
  3629.     {
  3630.         // In case the path is a URL, strip any query string before getting extension
  3631.         $qpos = strpos($filename, '?');
  3632.         if (false !== $qpos) {
  3633.             $filename = substr($filename, 0, $qpos);
  3634.         }
  3635.         $pathinfo = self::mb_pathinfo($filename);
  3636.         return self::_mime_types($pathinfo['extension']);
  3637.     }
  3638.  
  3639.     /**
  3640.      * Multi-byte-safe pathinfo replacement.
  3641.      * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
  3642.      * Works similarly to the one in PHP >= 5.2.0
  3643.      * @link http://www.php.net/manual/en/function.pathinfo.php#107461
  3644.      * @param string $path A filename or path, does not need to exist as a file
  3645.      * @param integer|string $options Either a PATHINFO_* constant,
  3646.      *      or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
  3647.      * @return string|array
  3648.      * @static
  3649.      */
  3650.     public static function mb_pathinfo($path, $options = null)
  3651.     {
  3652.         $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
  3653.         $pathinfo = array();
  3654.         if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
  3655.             if (array_key_exists(1, $pathinfo)) {
  3656.                 $ret['dirname'] = $pathinfo[1];
  3657.             }
  3658.             if (array_key_exists(2, $pathinfo)) {
  3659.                 $ret['basename'] = $pathinfo[2];
  3660.             }
  3661.             if (array_key_exists(5, $pathinfo)) {
  3662.                 $ret['extension'] = $pathinfo[5];
  3663.             }
  3664.             if (array_key_exists(3, $pathinfo)) {
  3665.                 $ret['filename'] = $pathinfo[3];
  3666.             }
  3667.         }
  3668.         switch ($options) {
  3669.             case PATHINFO_DIRNAME:
  3670.             case 'dirname':
  3671.                 return $ret['dirname'];
  3672.             case PATHINFO_BASENAME:
  3673.             case 'basename':
  3674.                 return $ret['basename'];
  3675.             case PATHINFO_EXTENSION:
  3676.             case 'extension':
  3677.                 return $ret['extension'];
  3678.             case PATHINFO_FILENAME:
  3679.             case 'filename':
  3680.                 return $ret['filename'];
  3681.             default:
  3682.                 return $ret;
  3683.         }
  3684.     }
  3685.  
  3686.     /**
  3687.      * Set or reset instance properties.
  3688.      * You should avoid this function - it's more verbose, less efficient, more error-prone and
  3689.      * harder to debug than setting properties directly.
  3690.      * Usage Example:
  3691.      * `$mail->set('SMTPSecure', 'tls');`
  3692.      *   is the same as:
  3693.      * `$mail->SMTPSecure = 'tls';`
  3694.      * @access public
  3695.      * @param string $name The property name to set
  3696.      * @param mixed $value The value to set the property to
  3697.      * @return boolean
  3698.      * @TODO Should this not be using the __set() magic function?
  3699.      */
  3700.     public function set($name, $value = '')
  3701.     {
  3702.         if (property_exists($this, $name)) {
  3703.             $this->$name = $value;
  3704.             return true;
  3705.         } else {
  3706.             $this->setError($this->lang('variable_set') . $name);
  3707.             return false;
  3708.         }
  3709.     }
  3710.  
  3711.     /**
  3712.      * Strip newlines to prevent header injection.
  3713.      * @access public
  3714.      * @param string $str
  3715.      * @return string
  3716.      */
  3717.     public function secureHeader($str)
  3718.     {
  3719.         return trim(str_replace(array("\r", "\n"), '', $str));
  3720.     }
  3721.  
  3722.     /**
  3723.      * Normalize line breaks in a string.
  3724.      * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
  3725.      * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
  3726.      * @param string $text
  3727.      * @param string $breaktype What kind of line break to use, defaults to CRLF
  3728.      * @return string
  3729.      * @access public
  3730.      * @static
  3731.      */
  3732.     public static function normalizeBreaks($text, $breaktype = "\r\n")
  3733.     {
  3734.         return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
  3735.     }
  3736.  
  3737.     /**
  3738.      * Set the public and private key files and password for S/MIME signing.
  3739.      * @access public
  3740.      * @param string $cert_filename
  3741.      * @param string $key_filename
  3742.      * @param string $key_pass Password for private key
  3743.      * @param string $extracerts_filename Optional path to chain certificate
  3744.      */
  3745.     public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
  3746.     {
  3747.         $this->sign_cert_file = $cert_filename;
  3748.         $this->sign_key_file = $key_filename;
  3749.         $this->sign_key_pass = $key_pass;
  3750.         $this->sign_extracerts_file = $extracerts_filename;
  3751.     }
  3752.  
  3753.     /**
  3754.      * Quoted-Printable-encode a DKIM header.
  3755.      * @access public
  3756.      * @param string $txt
  3757.      * @return string
  3758.      */
  3759.     public function DKIM_QP($txt)
  3760.     {
  3761.         $line = '';
  3762.         for ($i = 0; $i < strlen($txt); $i++) {
  3763.             $ord = ord($txt[$i]);
  3764.             if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
  3765.                 $line .= $txt[$i];
  3766.             } else {
  3767.                 $line .= '=' . sprintf('%02X', $ord);
  3768.             }
  3769.         }
  3770.         return $line;
  3771.     }
  3772.  
  3773.     /**
  3774.      * Generate a DKIM signature.
  3775.      * @access public
  3776.      * @param string $signHeader
  3777.      * @throws phpmailerException
  3778.      * @return string The DKIM signature value
  3779.      */
  3780.     public function DKIM_Sign($signHeader)
  3781.     {
  3782.         if (!defined('PKCS7_TEXT')) {
  3783.             if ($this->exceptions) {
  3784.                 throw new phpmailerException($this->lang('extension_missing') . 'openssl');
  3785.             }
  3786.             return '';
  3787.         }
  3788.         $privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private);
  3789.         if ('' != $this->DKIM_passphrase) {
  3790.             $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
  3791.         } else {
  3792.             $privKey = openssl_pkey_get_private($privKeyStr);
  3793.         }
  3794.         //Workaround for missing digest algorithms in old PHP & OpenSSL versions
  3795.         //@link http://stackoverflow.com/a/11117338/333340
  3796.         if (version_compare(PHP_VERSION, '5.3.0') >= 0 and
  3797.             in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) {
  3798.             if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
  3799.                 openssl_pkey_free($privKey);
  3800.                 return base64_encode($signature);
  3801.             }
  3802.         } else {
  3803.             $pinfo = openssl_pkey_get_details($privKey);
  3804.             $hash = hash('sha256', $signHeader);
  3805.             //'Magic' constant for SHA256 from RFC3447
  3806.             //@link https://tools.ietf.org/html/rfc3447#page-43
  3807.             $t = '3031300d060960864801650304020105000420' . $hash;
  3808.             $pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3);
  3809.             $eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t);
  3810.  
  3811.             if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) {
  3812.                 openssl_pkey_free($privKey);
  3813.                 return base64_encode($signature);
  3814.             }
  3815.         }
  3816.         openssl_pkey_free($privKey);
  3817.         return '';
  3818.     }
  3819.  
  3820.     /**
  3821.      * Generate a DKIM canonicalization header.
  3822.      * @access public
  3823.      * @param string $signHeader Header
  3824.      * @return string
  3825.      */
  3826.     public function DKIM_HeaderC($signHeader)
  3827.     {
  3828.         $signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
  3829.         $lines = explode("\r\n", $signHeader);
  3830.         foreach ($lines as $key => $line) {
  3831.             list($heading, $value) = explode(':', $line, 2);
  3832.             $heading = strtolower($heading);
  3833.             $value = preg_replace('/\s{2,}/', ' ', $value); // Compress useless spaces
  3834.             $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
  3835.         }
  3836.         $signHeader = implode("\r\n", $lines);
  3837.         return $signHeader;
  3838.     }
  3839.  
  3840.     /**
  3841.      * Generate a DKIM canonicalization body.
  3842.      * @access public
  3843.      * @param string $body Message Body
  3844.      * @return string
  3845.      */
  3846.     public function DKIM_BodyC($body)
  3847.     {
  3848.         if ($body == '') {
  3849.             return "\r\n";
  3850.         }
  3851.         // stabilize line endings
  3852.         $body = str_replace("\r\n", "\n", $body);
  3853.         $body = str_replace("\n", "\r\n", $body);
  3854.         // END stabilize line endings
  3855.         while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
  3856.             $body = substr($body, 0, strlen($body) - 2);
  3857.         }
  3858.         return $body;
  3859.     }
  3860.  
  3861.     /**
  3862.      * Create the DKIM header and body in a new message header.
  3863.      * @access public
  3864.      * @param string $headers_line Header lines
  3865.      * @param string $subject Subject
  3866.      * @param string $body Body
  3867.      * @return string
  3868.      */
  3869.     public function DKIM_Add($headers_line, $subject, $body)
  3870.     {
  3871.         $DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms
  3872.         $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
  3873.         $DKIMquery = 'dns/txt'; // Query method
  3874.         $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
  3875.         $subject_header = "Subject: $subject";
  3876.         $headers = explode($this->LE, $headers_line);
  3877.         $from_header = '';
  3878.         $to_header = '';
  3879.         $date_header = '';
  3880.         $current = '';
  3881.         foreach ($headers as $header) {
  3882.             if (strpos($header, 'From:') === 0) {
  3883.                 $from_header = $header;
  3884.                 $current = 'from_header';
  3885.             } elseif (strpos($header, 'To:') === 0) {
  3886.                 $to_header = $header;
  3887.                 $current = 'to_header';
  3888.             } elseif (strpos($header, 'Date:') === 0) {
  3889.                 $date_header = $header;
  3890.                 $current = 'date_header';
  3891.             } else {
  3892.                 if (!empty($$current) && strpos($header, ' =?') === 0) {
  3893.                     $$current .= $header;
  3894.                 } else {
  3895.                     $current = '';
  3896.                 }
  3897.             }
  3898.         }
  3899.         $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
  3900.         $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
  3901.         $date = str_replace('|', '=7C', $this->DKIM_QP($date_header));
  3902.         $subject = str_replace(
  3903.             '|',
  3904.             '=7C',
  3905.             $this->DKIM_QP($subject_header)
  3906.         ); // Copied header fields (dkim-quoted-printable)
  3907.         $body = $this->DKIM_BodyC($body);
  3908.         $DKIMlen = strlen($body); // Length of body
  3909.         $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body
  3910.         if ('' == $this->DKIM_identity) {
  3911.             $ident = '';
  3912.         } else {
  3913.             $ident = ' i=' . $this->DKIM_identity . ';';
  3914.         }
  3915.         $dkimhdrs = 'DKIM-Signature: v=1; a=' .
  3916.             $DKIMsignatureType . '; q=' .
  3917.             $DKIMquery . '; l=' .
  3918.             $DKIMlen . '; s=' .
  3919.             $this->DKIM_selector .
  3920.             ";\r\n" .
  3921.             "\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
  3922.             "\th=From:To:Date:Subject;\r\n" .
  3923.             "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
  3924.             "\tz=$from\r\n" .
  3925.             "\t|$to\r\n" .
  3926.             "\t|$date\r\n" .
  3927.             "\t|$subject;\r\n" .
  3928.             "\tbh=" . $DKIMb64 . ";\r\n" .
  3929.             "\tb=";
  3930.         $toSign = $this->DKIM_HeaderC(
  3931.             $from_header . "\r\n" .
  3932.             $to_header . "\r\n" .
  3933.             $date_header . "\r\n" .
  3934.             $subject_header . "\r\n" .
  3935.             $dkimhdrs
  3936.         );
  3937.         $signed = $this->DKIM_Sign($toSign);
  3938.         return $dkimhdrs . $signed . "\r\n";
  3939.     }
  3940.  
  3941.     /**
  3942.      * Detect if a string contains a line longer than the maximum line length allowed.
  3943.      * @param string $str
  3944.      * @return boolean
  3945.      * @static
  3946.      */
  3947.     public static function hasLineLongerThanMax($str)
  3948.     {
  3949.         //+2 to include CRLF line break for a 1000 total
  3950.         return (boolean)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + 2).',})/m', $str);
  3951.     }
  3952.  
  3953.     /**
  3954.      * Allows for public read access to 'to' property.
  3955.      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
  3956.      * @access public
  3957.      * @return array
  3958.      */
  3959.     public function getToAddresses()
  3960.     {
  3961.         return $this->to;
  3962.     }
  3963.  
  3964.     /**
  3965.      * Allows for public read access to 'cc' property.
  3966.      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
  3967.      * @access public
  3968.      * @return array
  3969.      */
  3970.     public function getCcAddresses()
  3971.     {
  3972.         return $this->cc;
  3973.     }
  3974.  
  3975.     /**
  3976.      * Allows for public read access to 'bcc' property.
  3977.      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
  3978.      * @access public
  3979.      * @return array
  3980.      */
  3981.     public function getBccAddresses()
  3982.     {
  3983.         return $this->bcc;
  3984.     }
  3985.  
  3986.     /**
  3987.      * Allows for public read access to 'ReplyTo' property.
  3988.      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
  3989.      * @access public
  3990.      * @return array
  3991.      */
  3992.     public function getReplyToAddresses()
  3993.     {
  3994.         return $this->ReplyTo;
  3995.     }
  3996.  
  3997.     /**
  3998.      * Allows for public read access to 'all_recipients' property.
  3999.      * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
  4000.      * @access public
  4001.      * @return array
  4002.      */
  4003.     public function getAllRecipientAddresses()
  4004.     {
  4005.         return $this->all_recipients;
  4006.     }
  4007.  
  4008.     /**
  4009.      * Perform a callback.
  4010.      * @param boolean $isSent
  4011.      * @param array $to
  4012.      * @param array $cc
  4013.      * @param array $bcc
  4014.      * @param string $subject
  4015.      * @param string $body
  4016.      * @param string $from
  4017.      */
  4018.     protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
  4019.     {
  4020.         if (!empty($this->action_function) && is_callable($this->action_function)) {
  4021.             $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
  4022.             call_user_func_array($this->action_function, $params);
  4023.         }
  4024.     }
  4025. }
  4026.  
  4027. /**
  4028.  * PHPMailer exception handler
  4029.  * @package PHPMailer
  4030.  */
  4031. class phpmailerException extends Exception
  4032. {
  4033.     /**
  4034.      * Prettify error message output
  4035.      * @return string
  4036.      */
  4037.     public function errorMessage()
  4038.     {
  4039.         $errorMsg = '<strong>' . htmlspecialchars($this->getMessage()) . "</strong><br />\n";
  4040.         return $errorMsg;
  4041.     }
  4042. }
  4043.  
  4044. ?>
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