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			933 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			933 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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						|
/**
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						|
 * PHPMailer RFC821 SMTP email transport class.
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 * Version 5.2.7
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 * PHP version 5.0.0
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 * @category  PHP
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 * @package   PHPMailer
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 * @link      https://github.com/PHPMailer/PHPMailer/
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 * @author Marcus Bointon (coolbru) <phpmailer@synchromedia.co.uk>
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						|
 * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
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 * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
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 * @copyright 2013 Marcus Bointon
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 * @copyright 2004 - 2008 Andy Prevost
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 * @copyright 2010 - 2012 Jim Jagielski
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 * @license   http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
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 */
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/**
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 * PHPMailer RFC821 SMTP email transport class.
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 *
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 * Implements RFC 821 SMTP commands
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 * and provides some utility methods for sending mail to an SMTP server.
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 *
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 * PHP Version 5.0.0
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 *
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 * @category PHP
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 * @package  PHPMailer
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 * @link     https://github.com/PHPMailer/PHPMailer/blob/master/class.smtp.php
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 * @author   Chris Ryan <unknown@example.com>
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 * @author   Marcus Bointon <phpmailer@synchromedia.co.uk>
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 * @license  http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
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 */
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class SMTP
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{
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    /**
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     * The PHPMailer SMTP Version number.
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     */
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    const VERSION = '5.2.7';
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						|
 | 
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    /**
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						|
     * SMTP line break constant.
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						|
     */
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						|
    const CRLF = "\r\n";
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						|
 | 
						|
    /**
 | 
						|
     * The SMTP port to use if one is not specified.
 | 
						|
     */
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						|
    const DEFAULT_SMTP_PORT = 25;
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						|
 | 
						|
    /**
 | 
						|
     * The maximum line length allowed by RFC 2822 section 2.1.1
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						|
     */
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						|
    const MAX_LINE_LENGTH = 998;
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						|
 | 
						|
    /**
 | 
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     * The PHPMailer SMTP Version number.
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						|
     * @type string
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						|
     * @deprecated This should be a constant
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     * @see SMTP::VERSION
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						|
     */
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    public $Version = '5.2.7';
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    /**
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						|
     * SMTP server port number.
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						|
     * @type int
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     * @deprecated This is only ever ued as default value, so should be a constant
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     * @see SMTP::DEFAULT_SMTP_PORT
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     */
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    public $SMTP_PORT = 25;
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 | 
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    /**
 | 
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     * SMTP reply line ending
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     * @type string
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     * @deprecated Use the class constant instead
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						|
     * @see SMTP::CRLF
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     */
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    public $CRLF = "\r\n";
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						|
 | 
						|
    /**
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						|
     * Debug output level.
 | 
						|
     * Options:
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     *   0: no output
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						|
     *   1: commands
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						|
     *   2: data and commands
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     *   3: as 2 plus connection status
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						|
     *   4: low level data output
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     * @type int
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     */
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    public $do_debug = 0;
 | 
						|
 | 
						|
    /**
 | 
						|
     * The function/method to use for debugging output.
 | 
						|
     * Options: 'echo', 'html' or 'error_log'
 | 
						|
     * @type string
 | 
						|
     */
 | 
						|
    public $Debugoutput = 'echo';
 | 
						|
 | 
						|
    /**
 | 
						|
     * Whether to use VERP.
 | 
						|
     * @type bool
 | 
						|
     */
 | 
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    public $do_verp = false;
 | 
						|
 | 
						|
    /**
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     * The timeout value for connection, in seconds.
 | 
						|
     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
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     * @type int
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     */
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    public $Timeout = 300;
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 | 
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    /**
 | 
						|
     * The SMTP timelimit value for reads, in seconds.
 | 
						|
     * @type int
 | 
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     */
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    public $Timelimit = 30;
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						|
 | 
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    /**
 | 
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     * The socket for the server connection.
 | 
						|
     * @type resource
 | 
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     */
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    protected $smtp_conn;
 | 
						|
 | 
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    /**
 | 
						|
     * Error message, if any, for the last call.
 | 
						|
     * @type string
 | 
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     */
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    protected $error = '';
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 | 
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    /**
 | 
						|
     * The reply the server sent to us for HELO.
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						|
     * @type string
 | 
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     */
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    protected $helo_rply = '';
 | 
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 | 
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    /**
 | 
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     * The most recent reply received from the server.
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     * @type string
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     */
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    protected $last_reply = '';
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    /**
 | 
						|
     * Constructor.
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     * @access public
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     */
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    public function __construct()
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    {
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        $this->smtp_conn = 0;
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						|
        $this->error = null;
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						|
        $this->helo_rply = null;
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						|
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        $this->do_debug = 0;
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    }
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 | 
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    /**
 | 
						|
     * Output debugging info via a user-selected method.
 | 
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     * @param string $str Debug string to output
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     * @return void
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     */
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    protected function edebug($str)
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    {
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        switch ($this->Debugoutput) {
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						|
            case 'error_log':
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						|
                //Don't output, just log
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						|
                error_log($str);
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						|
                break;
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						|
            case 'html':
 | 
						|
                //Cleans up output a bit for a better looking, HTML-safe output
 | 
						|
                echo htmlentities(
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						|
                    preg_replace('/[\r\n]+/', '', $str),
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						|
                    ENT_QUOTES,
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						|
                    'UTF-8'
 | 
						|
                )
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						|
                . "<br>\n";
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                break;
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						|
            case 'echo':
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            default:
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                echo gmdate('Y-m-d H:i:s')."\t".trim($str)."\n";
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        }
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    }
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    /**
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     * Connect to an SMTP server.
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						|
     * @param string $host    SMTP server IP or host name
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						|
     * @param int $port    The port number to connect to
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						|
     * @param int $timeout How long to wait for the connection to open
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						|
     * @param array $options An array of options for stream_context_create()
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     * @access public
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     * @return bool
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     */
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    public function connect($host, $port = null, $timeout = 30, $options = array())
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						|
    {
 | 
						|
        // Clear errors to avoid confusion
 | 
						|
        $this->error = null;
 | 
						|
        // Make sure we are __not__ connected
 | 
						|
        if ($this->connected()) {
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						|
            // Already connected, generate error
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            $this->error = array('error' => 'Already connected to a server');
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            return false;
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        }
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						|
        if (empty($port)) {
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            $port = self::DEFAULT_SMTP_PORT;
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        }
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        // Connect to the SMTP server
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						|
        if ($this->do_debug >= 3) {
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            $this->edebug('Connection: opening');
 | 
						|
        }
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        $errno = 0;
 | 
						|
        $errstr = '';
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        $socket_context = stream_context_create($options);
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						|
        //Suppress errors; connection failures are handled at a higher level
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        $this->smtp_conn = @stream_socket_client(
 | 
						|
            $host . ":" . $port,
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            $errno,
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            $errstr,
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						|
            $timeout,
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            STREAM_CLIENT_CONNECT,
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            $socket_context
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        );
 | 
						|
        // Verify we connected properly
 | 
						|
        if (empty($this->smtp_conn)) {
 | 
						|
            $this->error = array(
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						|
                'error' => 'Failed to connect to server',
 | 
						|
                'errno' => $errno,
 | 
						|
                'errstr' => $errstr
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						|
            );
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						|
            if ($this->do_debug >= 1) {
 | 
						|
                $this->edebug(
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						|
                    'SMTP ERROR: ' . $this->error['error']
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						|
                    . ": $errstr ($errno)"
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						|
                );
 | 
						|
            }
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						|
            return false;
 | 
						|
        }
 | 
						|
        if ($this->do_debug >= 3) {
 | 
						|
            $this->edebug('Connection: opened');
 | 
						|
        }
 | 
						|
        // SMTP server can take longer to respond, give longer timeout for first read
 | 
						|
        // Windows does not have support for this timeout function
 | 
						|
        if (substr(PHP_OS, 0, 3) != 'WIN') {
 | 
						|
            $max = ini_get('max_execution_time');
 | 
						|
            if ($max != 0 && $timeout > $max) { // Don't bother if unlimited
 | 
						|
                @set_time_limit($timeout);
 | 
						|
            }
 | 
						|
            stream_set_timeout($this->smtp_conn, $timeout, 0);
 | 
						|
        }
 | 
						|
        // Get any announcement
 | 
						|
        $announce = $this->get_lines();
 | 
						|
        if ($this->do_debug >= 2) {
 | 
						|
            $this->edebug('SERVER -> CLIENT: ' . $announce);
 | 
						|
        }
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Initiate a TLS (encrypted) session.
 | 
						|
     * @access public
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						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function startTLS()
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						|
    {
 | 
						|
        if (!$this->sendCommand('STARTTLS', 'STARTTLS', 220)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
        // Begin encrypted connection
 | 
						|
        if (!stream_socket_enable_crypto(
 | 
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            $this->smtp_conn,
 | 
						|
            true,
 | 
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            STREAM_CRYPTO_METHOD_TLS_CLIENT
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						|
        )) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Perform SMTP authentication.
 | 
						|
     * Must be run after hello().
 | 
						|
     * @see hello()
 | 
						|
     * @param string $username    The user name
 | 
						|
     * @param string $password    The password
 | 
						|
     * @param string $authtype    The auth type (PLAIN, LOGIN, NTLM, CRAM-MD5)
 | 
						|
     * @param string $realm       The auth realm for NTLM
 | 
						|
     * @param string $workstation The auth workstation for NTLM
 | 
						|
     * @access public
 | 
						|
     * @return bool True if successfully authenticated.
 | 
						|
     */
 | 
						|
    public function authenticate(
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						|
        $username,
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						|
        $password,
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        $authtype = 'LOGIN',
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						|
        $realm = '',
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						|
        $workstation = ''
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						|
    ) {
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						|
        if (empty($authtype)) {
 | 
						|
            $authtype = 'LOGIN';
 | 
						|
        }
 | 
						|
        switch ($authtype) {
 | 
						|
            case 'PLAIN':
 | 
						|
                // Start authentication
 | 
						|
                if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                // Send encoded username and password
 | 
						|
                if (!$this->sendCommand(
 | 
						|
                    'User & Password',
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						|
                    base64_encode("\0" . $username . "\0" . $password),
 | 
						|
                    235
 | 
						|
                )
 | 
						|
                ) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                break;
 | 
						|
            case 'LOGIN':
 | 
						|
                // Start authentication
 | 
						|
                if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                if (!$this->sendCommand("Username", base64_encode($username), 334)) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                if (!$this->sendCommand("Password", base64_encode($password), 235)) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                break;
 | 
						|
            case 'NTLM':
 | 
						|
                /*
 | 
						|
                 * ntlm_sasl_client.php
 | 
						|
                 * Bundled with Permission
 | 
						|
                 *
 | 
						|
                 * How to telnet in windows:
 | 
						|
                 * http://technet.microsoft.com/en-us/library/aa995718%28EXCHG.65%29.aspx
 | 
						|
                 * PROTOCOL Docs http://curl.haxx.se/rfc/ntlm.html#ntlmSmtpAuthentication
 | 
						|
                 */
 | 
						|
                require_once 'extras/ntlm_sasl_client.php';
 | 
						|
                $temp = new stdClass();
 | 
						|
                $ntlm_client = new ntlm_sasl_client_class;
 | 
						|
                //Check that functions are available
 | 
						|
                if (!$ntlm_client->Initialize($temp)) {
 | 
						|
                    $this->error = array('error' => $temp->error);
 | 
						|
                    if ($this->do_debug >= 1) {
 | 
						|
                        $this->edebug(
 | 
						|
                            'You need to enable some modules in your php.ini file: '
 | 
						|
                            . $this->error['error']
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                //msg1
 | 
						|
                $msg1 = $ntlm_client->TypeMsg1($realm, $workstation); //msg1
 | 
						|
 | 
						|
                if (!$this->sendCommand(
 | 
						|
                    'AUTH NTLM',
 | 
						|
                    'AUTH NTLM ' . base64_encode($msg1),
 | 
						|
                    334
 | 
						|
                )
 | 
						|
                ) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                //Though 0 based, there is a white space after the 3 digit number
 | 
						|
                //msg2
 | 
						|
                $challenge = substr($this->last_reply, 3);
 | 
						|
                $challenge = base64_decode($challenge);
 | 
						|
                $ntlm_res = $ntlm_client->NTLMResponse(
 | 
						|
                    substr($challenge, 24, 8),
 | 
						|
                    $password
 | 
						|
                );
 | 
						|
                //msg3
 | 
						|
                $msg3 = $ntlm_client->TypeMsg3(
 | 
						|
                    $ntlm_res,
 | 
						|
                    $username,
 | 
						|
                    $realm,
 | 
						|
                    $workstation
 | 
						|
                );
 | 
						|
                // send encoded username
 | 
						|
                return $this->sendCommand('Username', base64_encode($msg3), 235);
 | 
						|
                break;
 | 
						|
            case 'CRAM-MD5':
 | 
						|
                // Start authentication
 | 
						|
                if (!$this->sendCommand('AUTH CRAM-MD5', 'AUTH CRAM-MD5', 334)) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
                // Get the challenge
 | 
						|
                $challenge = base64_decode(substr($this->last_reply, 4));
 | 
						|
 | 
						|
                // Build the response
 | 
						|
                $response = $username . ' ' . $this->hmac($challenge, $password);
 | 
						|
 | 
						|
                // send encoded credentials
 | 
						|
                return $this->sendCommand('Username', base64_encode($response), 235);
 | 
						|
                break;
 | 
						|
        }
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Calculate an MD5 HMAC hash.
 | 
						|
     * Works like hash_hmac('md5', $data, $key)
 | 
						|
     * in case that function is not available
 | 
						|
     * @param string $data The data to hash
 | 
						|
     * @param string $key  The key to hash with
 | 
						|
     * @access protected
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    protected function hmac($data, $key)
 | 
						|
    {
 | 
						|
        if (function_exists('hash_hmac')) {
 | 
						|
            return hash_hmac('md5', $data, $key);
 | 
						|
        }
 | 
						|
 | 
						|
        // The following borrowed from
 | 
						|
        // http://php.net/manual/en/function.mhash.php#27225
 | 
						|
 | 
						|
        // RFC 2104 HMAC implementation for php.
 | 
						|
        // Creates an md5 HMAC.
 | 
						|
        // Eliminates the need to install mhash to compute a HMAC
 | 
						|
        // Hacked by Lance Rushing
 | 
						|
 | 
						|
        $b = 64; // byte length for md5
 | 
						|
        if (strlen($key) > $b) {
 | 
						|
            $key = pack('H*', md5($key));
 | 
						|
        }
 | 
						|
        $key = str_pad($key, $b, chr(0x00));
 | 
						|
        $ipad = str_pad('', $b, chr(0x36));
 | 
						|
        $opad = str_pad('', $b, chr(0x5c));
 | 
						|
        $k_ipad = $key ^ $ipad;
 | 
						|
        $k_opad = $key ^ $opad;
 | 
						|
 | 
						|
        return md5($k_opad . pack('H*', md5($k_ipad . $data)));
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Check connection state.
 | 
						|
     * @access public
 | 
						|
     * @return bool True if connected.
 | 
						|
     */
 | 
						|
    public function connected()
 | 
						|
    {
 | 
						|
        if (!empty($this->smtp_conn)) {
 | 
						|
            $sock_status = stream_get_meta_data($this->smtp_conn);
 | 
						|
            if ($sock_status['eof']) {
 | 
						|
                // the socket is valid but we are not connected
 | 
						|
                if ($this->do_debug >= 1) {
 | 
						|
                    $this->edebug(
 | 
						|
                        'SMTP NOTICE: EOF caught while checking if connected'
 | 
						|
                    );
 | 
						|
                }
 | 
						|
                $this->close();
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
            return true; // everything looks good
 | 
						|
        }
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Close the socket and clean up the state of the class.
 | 
						|
     * Don't use this function without first trying to use QUIT.
 | 
						|
     * @see quit()
 | 
						|
     * @access public
 | 
						|
     * @return void
 | 
						|
     */
 | 
						|
    public function close()
 | 
						|
    {
 | 
						|
        $this->error = null; // so there is no confusion
 | 
						|
        $this->helo_rply = null;
 | 
						|
        if (!empty($this->smtp_conn)) {
 | 
						|
            // close the connection and cleanup
 | 
						|
            fclose($this->smtp_conn);
 | 
						|
            if ($this->do_debug >= 3) {
 | 
						|
                $this->edebug('Connection: closed');
 | 
						|
            }
 | 
						|
            $this->smtp_conn = 0;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP DATA command.
 | 
						|
     * Issues a data command and sends the msg_data to the server,
 | 
						|
     * finializing the mail transaction. $msg_data is the message
 | 
						|
     * that is to be send with the headers. Each header needs to be
 | 
						|
     * on a single line followed by a <CRLF> with the message headers
 | 
						|
     * and the message body being separated by and additional <CRLF>.
 | 
						|
     * Implements rfc 821: DATA <CRLF>
 | 
						|
     * @param string $msg_data Message data to send
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function data($msg_data)
 | 
						|
    {
 | 
						|
        if (!$this->sendCommand('DATA', 'DATA', 354)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
        /* The server is ready to accept data!
 | 
						|
         * According to rfc821 we should not send more than 1000 characters on a single line (including the CRLF)
 | 
						|
         * so we will break the data up into lines by \r and/or \n then if needed we will break each of those into
 | 
						|
         * smaller lines to fit within the limit.
 | 
						|
         * We will also look for lines that start with a '.' and prepend an additional '.'.
 | 
						|
         * NOTE: this does not count towards line-length limit.
 | 
						|
         */
 | 
						|
 | 
						|
        // Normalize line breaks before exploding
 | 
						|
        $lines = explode("\n", str_replace(array("\r\n", "\r"), "\n", $msg_data));
 | 
						|
 | 
						|
        /* To distinguish between a complete RFC822 message and a plain message body, we check if the first field
 | 
						|
         * of the first line (':' separated) does not contain a space then it _should_ be a header and we will
 | 
						|
         * process all lines before a blank line as headers.
 | 
						|
         */
 | 
						|
 | 
						|
        $field = substr($lines[0], 0, strpos($lines[0], ':'));
 | 
						|
        $in_headers = false;
 | 
						|
        if (!empty($field) && strpos($field, ' ') === false) {
 | 
						|
            $in_headers = true;
 | 
						|
        }
 | 
						|
 | 
						|
        foreach ($lines as $line) {
 | 
						|
            $lines_out = array();
 | 
						|
            if ($in_headers and $line == '') {
 | 
						|
                $in_headers = false;
 | 
						|
            }
 | 
						|
            // ok we need to break this line up into several smaller lines
 | 
						|
            //This is a small micro-optimisation: isset($str[$len]) is equivalent to (strlen($str) > $len)
 | 
						|
            while (isset($line[self::MAX_LINE_LENGTH])) {
 | 
						|
                //Working backwards, try to find a space within the last MAX_LINE_LENGTH chars of the line to break on
 | 
						|
                //so as to avoid breaking in the middle of a word
 | 
						|
                $pos = strrpos(substr($line, 0, self::MAX_LINE_LENGTH), ' ');
 | 
						|
                if (!$pos) { //Deliberately matches both false and 0
 | 
						|
                    //No nice break found, add a hard break
 | 
						|
                    $pos = self::MAX_LINE_LENGTH - 1;
 | 
						|
                    $lines_out[] = substr($line, 0, $pos);
 | 
						|
                    $line = substr($line, $pos);
 | 
						|
                } else {
 | 
						|
                    //Break at the found point
 | 
						|
                    $lines_out[] = substr($line, 0, $pos);
 | 
						|
                    //Move along by the amount we dealt with
 | 
						|
                    $line = substr($line, $pos + 1);
 | 
						|
                }
 | 
						|
                /* If processing headers add a LWSP-char to the front of new line
 | 
						|
                 * RFC822 section 3.1.1
 | 
						|
                 */
 | 
						|
                if ($in_headers) {
 | 
						|
                    $line = "\t" . $line;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $lines_out[] = $line;
 | 
						|
 | 
						|
            // Send the lines to the server
 | 
						|
            foreach ($lines_out as $line_out) {
 | 
						|
                //RFC2821 section 4.5.2
 | 
						|
                if (!empty($line_out) and $line_out[0] == '.') {
 | 
						|
                    $line_out = '.' . $line_out;
 | 
						|
                }
 | 
						|
                $this->client_send($line_out . self::CRLF);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Message data has been sent, complete the command
 | 
						|
        return $this->sendCommand('DATA END', '.', 250);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP HELO or EHLO command.
 | 
						|
     * Used to identify the sending server to the receiving server.
 | 
						|
     * This makes sure that client and server are in a known state.
 | 
						|
     * Implements RFC 821: HELO <SP> <domain> <CRLF>
 | 
						|
     * and RFC 2821 EHLO.
 | 
						|
     * @param string $host The host name or IP to connect to
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function hello($host = '')
 | 
						|
    {
 | 
						|
        // Try extended hello first (RFC 2821)
 | 
						|
        return (bool)($this->sendHello('EHLO', $host) or $this->sendHello('HELO', $host));
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP HELO or EHLO command.
 | 
						|
     * Low-level implementation used by hello()
 | 
						|
     * @see hello()
 | 
						|
     * @param string $hello The HELO string
 | 
						|
     * @param string $host The hostname to say we are
 | 
						|
     * @access protected
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    protected function sendHello($hello, $host)
 | 
						|
    {
 | 
						|
        $noerror = $this->sendCommand($hello, $hello . ' ' . $host, 250);
 | 
						|
        $this->helo_rply = $this->last_reply;
 | 
						|
        return $noerror;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP MAIL command.
 | 
						|
     * Starts a mail transaction from the email address specified in
 | 
						|
     * $from. Returns true if successful or false otherwise. If True
 | 
						|
     * the mail transaction is started and then one or more recipient
 | 
						|
     * commands may be called followed by a data command.
 | 
						|
     * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
 | 
						|
     * @param string $from Source address of this message
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function mail($from)
 | 
						|
    {
 | 
						|
        $useVerp = ($this->do_verp ? ' XVERP' : '');
 | 
						|
        return $this->sendCommand(
 | 
						|
            'MAIL FROM',
 | 
						|
            'MAIL FROM:<' . $from . '>' . $useVerp,
 | 
						|
            250
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP QUIT command.
 | 
						|
     * Closes the socket if there is no error or the $close_on_error argument is true.
 | 
						|
     * Implements from rfc 821: QUIT <CRLF>
 | 
						|
     * @param bool $close_on_error Should the connection close if an error occurs?
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function quit($close_on_error = true)
 | 
						|
    {
 | 
						|
        $noerror = $this->sendCommand('QUIT', 'QUIT', 221);
 | 
						|
        $e = $this->error; //Save any error
 | 
						|
        if ($noerror or $close_on_error) {
 | 
						|
            $this->close();
 | 
						|
            $this->error = $e; //Restore any error from the quit command
 | 
						|
        }
 | 
						|
        return $noerror;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP RCPT command.
 | 
						|
     * Sets the TO argument to $to.
 | 
						|
     * Returns true if the recipient was accepted false if it was rejected.
 | 
						|
     * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
 | 
						|
     * @param string $to The address the message is being sent to
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function recipient($to)
 | 
						|
    {
 | 
						|
        return $this->sendCommand(
 | 
						|
            'RCPT TO',
 | 
						|
            'RCPT TO:<' . $to . '>',
 | 
						|
            array(250, 251)
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP RSET command.
 | 
						|
     * Abort any transaction that is currently in progress.
 | 
						|
     * Implements rfc 821: RSET <CRLF>
 | 
						|
     * @access public
 | 
						|
     * @return bool True on success.
 | 
						|
     */
 | 
						|
    public function reset()
 | 
						|
    {
 | 
						|
        return $this->sendCommand('RSET', 'RSET', 250);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send a command to an SMTP server and check its return code.
 | 
						|
     * @param string $command       The command name - not sent to the server
 | 
						|
     * @param string $commandstring The actual command to send
 | 
						|
     * @param int|array $expect     One or more expected integer success codes
 | 
						|
     * @access protected
 | 
						|
     * @return bool True on success.
 | 
						|
     */
 | 
						|
    protected function sendCommand($command, $commandstring, $expect)
 | 
						|
    {
 | 
						|
        if (!$this->connected()) {
 | 
						|
            $this->error = array(
 | 
						|
                'error' => "Called $command without being connected"
 | 
						|
            );
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
        $this->client_send($commandstring . self::CRLF);
 | 
						|
 | 
						|
        $reply = $this->get_lines();
 | 
						|
        $code = substr($reply, 0, 3);
 | 
						|
 | 
						|
        if ($this->do_debug >= 2) {
 | 
						|
            $this->edebug('SERVER -> CLIENT: ' . $reply);
 | 
						|
        }
 | 
						|
 | 
						|
        if (!in_array($code, (array)$expect)) {
 | 
						|
            $this->last_reply = null;
 | 
						|
            $this->error = array(
 | 
						|
                'error' => "$command command failed",
 | 
						|
                'smtp_code' => $code,
 | 
						|
                'detail' => substr($reply, 4)
 | 
						|
            );
 | 
						|
            if ($this->do_debug >= 1) {
 | 
						|
                $this->edebug(
 | 
						|
                    'SMTP ERROR: ' . $this->error['error'] . ': ' . $reply
 | 
						|
                );
 | 
						|
            }
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $this->last_reply = $reply;
 | 
						|
        $this->error = null;
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP SAML command.
 | 
						|
     * Starts a mail transaction from the email address specified in $from.
 | 
						|
     * Returns true if successful or false otherwise. If True
 | 
						|
     * the mail transaction is started and then one or more recipient
 | 
						|
     * commands may be called followed by a data command. This command
 | 
						|
     * will send the message to the users terminal if they are logged
 | 
						|
     * in and send them an email.
 | 
						|
     * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
 | 
						|
     * @param string $from The address the message is from
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function sendAndMail($from)
 | 
						|
    {
 | 
						|
        return $this->sendCommand('SAML', "SAML FROM:$from", 250);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP VRFY command.
 | 
						|
     * @param string $name The name to verify
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function verify($name)
 | 
						|
    {
 | 
						|
        return $this->sendCommand('VRFY', "VRFY $name", array(250, 251));
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP NOOP command.
 | 
						|
     * Used to keep keep-alives alive, doesn't actually do anything
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function noop()
 | 
						|
    {
 | 
						|
        return $this->sendCommand('NOOP', 'NOOP', 250);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send an SMTP TURN command.
 | 
						|
     * This is an optional command for SMTP that this class does not support.
 | 
						|
     * This method is here to make the RFC821 Definition complete for this class
 | 
						|
     * and _may_ be implemented in future
 | 
						|
     * Implements from rfc 821: TURN <CRLF>
 | 
						|
     * @access public
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function turn()
 | 
						|
    {
 | 
						|
        $this->error = array(
 | 
						|
            'error' => 'The SMTP TURN command is not implemented'
 | 
						|
        );
 | 
						|
        if ($this->do_debug >= 1) {
 | 
						|
            $this->edebug('SMTP NOTICE: ' . $this->error['error']);
 | 
						|
        }
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send raw data to the server.
 | 
						|
     * @param string $data The data to send
 | 
						|
     * @access public
 | 
						|
     * @return int|bool The number of bytes sent to the server or false on error
 | 
						|
     */
 | 
						|
    public function client_send($data)
 | 
						|
    {
 | 
						|
        if ($this->do_debug >= 1) {
 | 
						|
            $this->edebug("CLIENT -> SERVER: $data");
 | 
						|
        }
 | 
						|
        return fwrite($this->smtp_conn, $data);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the latest error.
 | 
						|
     * @access public
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getError()
 | 
						|
    {
 | 
						|
        return $this->error;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the last reply from the server.
 | 
						|
     * @access public
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function getLastReply()
 | 
						|
    {
 | 
						|
        return $this->last_reply;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Read the SMTP server's response.
 | 
						|
     * Either before eof or socket timeout occurs on the operation.
 | 
						|
     * With SMTP we can tell if we have more lines to read if the
 | 
						|
     * 4th character is '-' symbol. If it is a space then we don't
 | 
						|
     * need to read anything else.
 | 
						|
     * @access protected
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    protected function get_lines()
 | 
						|
    {
 | 
						|
        // If the connection is bad, give up straight away
 | 
						|
        if (!is_resource($this->smtp_conn)) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
        $data = '';
 | 
						|
        $endtime = 0;
 | 
						|
        stream_set_timeout($this->smtp_conn, $this->Timeout);
 | 
						|
        if ($this->Timelimit > 0) {
 | 
						|
            $endtime = time() + $this->Timelimit;
 | 
						|
        }
 | 
						|
        while (is_resource($this->smtp_conn) && !feof($this->smtp_conn)) {
 | 
						|
            $str = @fgets($this->smtp_conn, 515);
 | 
						|
            if ($this->do_debug >= 4) {
 | 
						|
                $this->edebug("SMTP -> get_lines(): \$data was \"$data\"");
 | 
						|
                $this->edebug("SMTP -> get_lines(): \$str is \"$str\"");
 | 
						|
            }
 | 
						|
            $data .= $str;
 | 
						|
            if ($this->do_debug >= 4) {
 | 
						|
                $this->edebug("SMTP -> get_lines(): \$data is \"$data\"");
 | 
						|
            }
 | 
						|
            // If 4th character is a space, we are done reading, break the loop, micro-optimisation over strlen
 | 
						|
            if ((isset($str[3]) and $str[3] == ' ')) {
 | 
						|
                break;
 | 
						|
            }
 | 
						|
            // Timed-out? Log and break
 | 
						|
            $info = stream_get_meta_data($this->smtp_conn);
 | 
						|
            if ($info['timed_out']) {
 | 
						|
                if ($this->do_debug >= 4) {
 | 
						|
                    $this->edebug(
 | 
						|
                        'SMTP -> get_lines(): timed-out (' . $this->Timeout . ' sec)'
 | 
						|
                    );
 | 
						|
                }
 | 
						|
                break;
 | 
						|
            }
 | 
						|
            // Now check if reads took too long
 | 
						|
            if ($endtime and time() > $endtime) {
 | 
						|
                if ($this->do_debug >= 4) {
 | 
						|
                    $this->edebug(
 | 
						|
                        'SMTP -> get_lines(): timelimit reached ('.
 | 
						|
                        $this->Timelimit . ' sec)'
 | 
						|
                    );
 | 
						|
                }
 | 
						|
                break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $data;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Enable or disable VERP address generation.
 | 
						|
     * @param bool $enabled
 | 
						|
     */
 | 
						|
    public function setVerp($enabled = false)
 | 
						|
    {
 | 
						|
        $this->do_verp = $enabled;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get VERP address generation mode.
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function getVerp()
 | 
						|
    {
 | 
						|
        return $this->do_verp;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Set debug output method.
 | 
						|
     * @param string $method The function/method to use for debugging output.
 | 
						|
     */
 | 
						|
    public function setDebugOutput($method = 'echo')
 | 
						|
    {
 | 
						|
        $this->Debugoutput = $method;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get debug output method.
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function getDebugOutput()
 | 
						|
    {
 | 
						|
        return $this->Debugoutput;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Set debug output level.
 | 
						|
     * @param int $level
 | 
						|
     */
 | 
						|
    public function setDebugLevel($level = 0)
 | 
						|
    {
 | 
						|
        $this->do_debug = $level;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get debug output level.
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getDebugLevel()
 | 
						|
    {
 | 
						|
        return $this->do_debug;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Set SMTP timeout.
 | 
						|
     * @param int $timeout
 | 
						|
     */
 | 
						|
    public function setTimeout($timeout = 0)
 | 
						|
    {
 | 
						|
        $this->Timeout = $timeout;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get SMTP timeout.
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getTimeout()
 | 
						|
    {
 | 
						|
        return $this->Timeout;
 | 
						|
    }
 | 
						|
}
 |