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<?php
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/**
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darkviper
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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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Luisehahne
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* @copyright 2004 - 2008 Andy Prevost
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Luisehahne
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* @copyright 2010 - 2012 Jim Jagielski
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darkviper
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* @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
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Luisehahne
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*/
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/**
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darkviper
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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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1550
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Luisehahne
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*/
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darkviper
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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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* SMTP line break constant.
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*/
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const CRLF = "\r\n";
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darkviper
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/**
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* The SMTP port to use if one is not specified.
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*/
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const DEFAULT_SMTP_PORT = 25;
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darkviper
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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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darkviper
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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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darkviper
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/**
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* Debug output level.
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* Options: 0 for no output, 1 for commands, 2 for data and commands
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* @type int
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*/
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public $do_debug = 0;
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darkviper
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/**
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* The function/method to use for debugging output.
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* Options: 'echo', 'html' or 'error_log'
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* @type string
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*/
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public $Debugoutput = 'echo';
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/**
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* Whether to use VERP.
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* @type bool
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*/
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public $do_verp = false;
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darkviper
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/**
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* The SMTP timeout value for reads, in seconds.
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* @type int
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*/
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public $Timeout = 15;
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/**
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* The SMTP timelimit value for reads, in seconds.
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* @type int
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*/
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public $Timelimit = 30;
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darkviper
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/**
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* The socket for the server connection.
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* @type resource
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*/
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protected $smtp_conn;
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darkviper
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/**
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* Error message, if any, for the last call.
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* @type string
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*/
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protected $error = '';
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darkviper
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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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darkviper
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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 $last_reply = '';
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darkviper
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/**
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* Constructor.
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* @access public
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*/
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public function __construct()
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{
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$this->smtp_conn = 0;
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$this->error = null;
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$this->helo_rply = null;
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$this->do_debug = 0;
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}
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darkviper
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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':
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//Cleans up output a bit for a better looking, HTML-safe output
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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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)
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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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//Just echoes whatever was received
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echo $str;
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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, $options = array())
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{
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// Clear errors to avoid confusion
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$this->error = null;
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// Make sure we are __not__ connected
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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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$errno = 0;
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$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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$this->smtp_conn = @stream_socket_client(
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$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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$socket_context
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);
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// Verify we connected properly
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if (empty($this->smtp_conn)) {
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$this->error = array(
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'error' => 'Failed to connect to server',
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'errno' => $errno,
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'errstr' => $errstr
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);
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if ($this->do_debug >= 1) {
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$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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}
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224 |
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return false;
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}
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// SMTP server can take longer to respond, give longer timeout for first read
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// Windows does not have support for this timeout function
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if (substr(PHP_OS, 0, 3) != 'WIN') {
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$max = ini_get('max_execution_time');
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if ($max != 0 && $timeout > $max) { // Don't bother if unlimited
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@set_time_limit($timeout);
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}
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stream_set_timeout($this->smtp_conn, $timeout, 0);
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}
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// Get any announcement
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238 |
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$announce = $this->get_lines();
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239 |
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Luisehahne
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2053
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darkviper
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if ($this->do_debug >= 2) {
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241 |
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$this->edebug('SMTP -> FROM SERVER:' . $announce);
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242 |
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}
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243 |
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Luisehahne
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244 |
2053
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darkviper
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return true;
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245 |
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Luisehahne
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}
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246 |
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247 |
2053
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darkviper
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/**
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248 |
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* Initiate a TLS (encrypted) session.
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249 |
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* @access public
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250 |
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* @return bool
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251 |
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*/
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252 |
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public function startTLS()
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253 |
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{
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254 |
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if (!$this->sendCommand("STARTTLS", "STARTTLS", 220)) {
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255 |
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return false;
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256 |
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}
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257 |
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// Begin encrypted connection
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258 |
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if (!stream_socket_enable_crypto(
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259 |
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$this->smtp_conn,
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260 |
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true,
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261 |
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STREAM_CRYPTO_METHOD_TLS_CLIENT
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262 |
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)
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263 |
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) {
|
264 |
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return false;
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265 |
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}
|
266 |
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return true;
|
267 |
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}
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268 |
1550
|
Luisehahne
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269 |
2053
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darkviper
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/**
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270 |
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* Perform SMTP authentication.
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271 |
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* Must be run after hello().
|
272 |
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* @see hello()
|
273 |
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* @param string $username The user name
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274 |
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* @param string $password The password
|
275 |
|
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* @param string $authtype The auth type (PLAIN, LOGIN, NTLM, CRAM-MD5)
|
276 |
|
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* @param string $realm The auth realm for NTLM
|
277 |
|
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* @param string $workstation The auth workstation for NTLM
|
278 |
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* @access public
|
279 |
|
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* @return bool True if successfully authenticated.
|
280 |
|
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*/
|
281 |
|
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public function authenticate(
|
282 |
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$username,
|
283 |
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$password,
|
284 |
|
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$authtype = 'LOGIN',
|
285 |
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$realm = '',
|
286 |
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$workstation = ''
|
287 |
|
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) {
|
288 |
|
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if (empty($authtype)) {
|
289 |
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$authtype = 'LOGIN';
|
290 |
|
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}
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291 |
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Luisehahne
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292 |
2053
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darkviper
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switch ($authtype) {
|
293 |
|
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case 'PLAIN':
|
294 |
|
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// Start authentication
|
295 |
|
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if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
|
296 |
|
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return false;
|
297 |
|
|
}
|
298 |
|
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// Send encoded username and password
|
299 |
|
|
if (!$this->sendCommand(
|
300 |
|
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'User & Password',
|
301 |
|
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base64_encode("\0" . $username . "\0" . $password),
|
302 |
|
|
235
|
303 |
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)
|
304 |
|
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) {
|
305 |
|
|
return false;
|
306 |
|
|
}
|
307 |
|
|
break;
|
308 |
|
|
case 'LOGIN':
|
309 |
|
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// Start authentication
|
310 |
|
|
if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
|
311 |
|
|
return false;
|
312 |
|
|
}
|
313 |
|
|
if (!$this->sendCommand("Username", base64_encode($username), 334)) {
|
314 |
|
|
return false;
|
315 |
|
|
}
|
316 |
|
|
if (!$this->sendCommand("Password", base64_encode($password), 235)) {
|
317 |
|
|
return false;
|
318 |
|
|
}
|
319 |
|
|
break;
|
320 |
|
|
case 'NTLM':
|
321 |
|
|
/*
|
322 |
|
|
* ntlm_sasl_client.php
|
323 |
|
|
* Bundled with Permission
|
324 |
|
|
*
|
325 |
|
|
* How to telnet in windows:
|
326 |
|
|
* http://technet.microsoft.com/en-us/library/aa995718%28EXCHG.65%29.aspx
|
327 |
|
|
* PROTOCOL Docs http://curl.haxx.se/rfc/ntlm.html#ntlmSmtpAuthentication
|
328 |
|
|
*/
|
329 |
|
|
require_once 'extras/ntlm_sasl_client.php';
|
330 |
|
|
$temp = new stdClass();
|
331 |
|
|
$ntlm_client = new ntlm_sasl_client_class;
|
332 |
|
|
//Check that functions are available
|
333 |
|
|
if (!$ntlm_client->Initialize($temp)) {
|
334 |
|
|
$this->error = array('error' => $temp->error);
|
335 |
|
|
if ($this->do_debug >= 1) {
|
336 |
|
|
$this->edebug(
|
337 |
|
|
'You need to enable some modules in your php.ini file: '
|
338 |
|
|
. $this->error['error']
|
339 |
|
|
);
|
340 |
|
|
}
|
341 |
|
|
return false;
|
342 |
|
|
}
|
343 |
|
|
//msg1
|
344 |
|
|
$msg1 = $ntlm_client->TypeMsg1($realm, $workstation); //msg1
|
345 |
1550
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Luisehahne
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346 |
2053
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darkviper
|
if (!$this->sendCommand(
|
347 |
|
|
'AUTH NTLM',
|
348 |
|
|
'AUTH NTLM ' . base64_encode($msg1),
|
349 |
|
|
334
|
350 |
|
|
)
|
351 |
|
|
) {
|
352 |
|
|
return false;
|
353 |
|
|
}
|
354 |
1550
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Luisehahne
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|
355 |
2053
|
darkviper
|
//Though 0 based, there is a white space after the 3 digit number
|
356 |
|
|
//msg2
|
357 |
|
|
$challenge = substr($this->last_reply, 3);
|
358 |
|
|
$challenge = base64_decode($challenge);
|
359 |
|
|
$ntlm_res = $ntlm_client->NTLMResponse(
|
360 |
|
|
substr($challenge, 24, 8),
|
361 |
|
|
$password
|
362 |
|
|
);
|
363 |
|
|
//msg3
|
364 |
|
|
$msg3 = $ntlm_client->TypeMsg3(
|
365 |
|
|
$ntlm_res,
|
366 |
|
|
$username,
|
367 |
|
|
$realm,
|
368 |
|
|
$workstation
|
369 |
|
|
);
|
370 |
|
|
// send encoded username
|
371 |
|
|
return $this->sendCommand('Username', base64_encode($msg3), 235);
|
372 |
|
|
break;
|
373 |
|
|
case 'CRAM-MD5':
|
374 |
|
|
// Start authentication
|
375 |
|
|
if (!$this->sendCommand('AUTH CRAM-MD5', 'AUTH CRAM-MD5', 334)) {
|
376 |
|
|
return false;
|
377 |
|
|
}
|
378 |
|
|
// Get the challenge
|
379 |
|
|
$challenge = base64_decode(substr($this->last_reply, 4));
|
380 |
1550
|
Luisehahne
|
|
381 |
2053
|
darkviper
|
// Build the response
|
382 |
|
|
$response = $username . ' ' . $this->hmac($challenge, $password);
|
383 |
1550
|
Luisehahne
|
|
384 |
2053
|
darkviper
|
// send encoded credentials
|
385 |
|
|
return $this->sendCommand('Username', base64_encode($response), 235);
|
386 |
|
|
break;
|
387 |
1550
|
Luisehahne
|
}
|
388 |
2053
|
darkviper
|
return true;
|
389 |
1550
|
Luisehahne
|
}
|
390 |
|
|
|
391 |
2053
|
darkviper
|
/**
|
392 |
|
|
* Calculate an MD5 HMAC hash.
|
393 |
|
|
* Works like hash_hmac('md5', $data, $key)
|
394 |
|
|
* in case that function is not available
|
395 |
|
|
* @param string $data The data to hash
|
396 |
|
|
* @param string $key The key to hash with
|
397 |
|
|
* @access protected
|
398 |
|
|
* @return string
|
399 |
|
|
*/
|
400 |
|
|
protected function hmac($data, $key)
|
401 |
|
|
{
|
402 |
|
|
if (function_exists('hash_hmac')) {
|
403 |
|
|
return hash_hmac('md5', $data, $key);
|
404 |
|
|
}
|
405 |
1550
|
Luisehahne
|
|
406 |
2053
|
darkviper
|
// The following borrowed from
|
407 |
|
|
// http://php.net/manual/en/function.mhash.php#27225
|
408 |
1550
|
Luisehahne
|
|
409 |
2053
|
darkviper
|
// RFC 2104 HMAC implementation for php.
|
410 |
|
|
// Creates an md5 HMAC.
|
411 |
|
|
// Eliminates the need to install mhash to compute a HMAC
|
412 |
|
|
// Hacked by Lance Rushing
|
413 |
1550
|
Luisehahne
|
|
414 |
2053
|
darkviper
|
$b = 64; // byte length for md5
|
415 |
|
|
if (strlen($key) > $b) {
|
416 |
|
|
$key = pack('H*', md5($key));
|
417 |
|
|
}
|
418 |
|
|
$key = str_pad($key, $b, chr(0x00));
|
419 |
|
|
$ipad = str_pad('', $b, chr(0x36));
|
420 |
|
|
$opad = str_pad('', $b, chr(0x5c));
|
421 |
|
|
$k_ipad = $key ^ $ipad;
|
422 |
|
|
$k_opad = $key ^ $opad;
|
423 |
|
|
|
424 |
|
|
return md5($k_opad . pack('H*', md5($k_ipad . $data)));
|
425 |
1550
|
Luisehahne
|
}
|
426 |
|
|
|
427 |
2053
|
darkviper
|
/**
|
428 |
|
|
* Check connection state.
|
429 |
|
|
* @access public
|
430 |
|
|
* @return bool True if connected.
|
431 |
|
|
*/
|
432 |
|
|
public function connected()
|
433 |
|
|
{
|
434 |
|
|
if (!empty($this->smtp_conn)) {
|
435 |
|
|
$sock_status = stream_get_meta_data($this->smtp_conn);
|
436 |
|
|
if ($sock_status['eof']) {
|
437 |
|
|
// the socket is valid but we are not connected
|
438 |
|
|
if ($this->do_debug >= 1) {
|
439 |
|
|
$this->edebug(
|
440 |
|
|
'SMTP -> NOTICE: EOF caught while checking if connected'
|
441 |
|
|
);
|
442 |
|
|
}
|
443 |
|
|
$this->close();
|
444 |
|
|
return false;
|
445 |
|
|
}
|
446 |
|
|
return true; // everything looks good
|
447 |
|
|
}
|
448 |
|
|
return false;
|
449 |
1550
|
Luisehahne
|
}
|
450 |
|
|
|
451 |
2053
|
darkviper
|
/**
|
452 |
|
|
* Close the socket and clean up the state of the class.
|
453 |
|
|
* Don't use this function without first trying to use QUIT.
|
454 |
|
|
* @see quit()
|
455 |
|
|
* @access public
|
456 |
|
|
* @return void
|
457 |
|
|
*/
|
458 |
|
|
public function close()
|
459 |
|
|
{
|
460 |
|
|
$this->error = null; // so there is no confusion
|
461 |
|
|
$this->helo_rply = null;
|
462 |
|
|
if (!empty($this->smtp_conn)) {
|
463 |
|
|
// close the connection and cleanup
|
464 |
|
|
fclose($this->smtp_conn);
|
465 |
|
|
$this->smtp_conn = 0;
|
466 |
|
|
}
|
467 |
1550
|
Luisehahne
|
}
|
468 |
|
|
|
469 |
2053
|
darkviper
|
/**
|
470 |
|
|
* Send an SMTP DATA command.
|
471 |
|
|
* Issues a data command and sends the msg_data to the server,
|
472 |
|
|
* finializing the mail transaction. $msg_data is the message
|
473 |
|
|
* that is to be send with the headers. Each header needs to be
|
474 |
|
|
* on a single line followed by a <CRLF> with the message headers
|
475 |
|
|
* and the message body being separated by and additional <CRLF>.
|
476 |
|
|
* Implements rfc 821: DATA <CRLF>
|
477 |
|
|
* @param string $msg_data Message data to send
|
478 |
|
|
* @access public
|
479 |
|
|
* @return bool
|
480 |
1550
|
Luisehahne
|
*/
|
481 |
2053
|
darkviper
|
public function data($msg_data)
|
482 |
|
|
{
|
483 |
|
|
if (!$this->sendCommand('DATA', 'DATA', 354)) {
|
484 |
|
|
return false;
|
485 |
|
|
}
|
486 |
1550
|
Luisehahne
|
|
487 |
2053
|
darkviper
|
/* The server is ready to accept data!
|
488 |
|
|
* according to rfc821 we should not send more than 1000
|
489 |
|
|
* including the CRLF
|
490 |
|
|
* characters on a single line so we will break the data up
|
491 |
|
|
* into lines by \r and/or \n then if needed we will break
|
492 |
|
|
* each of those into smaller lines to fit within the limit.
|
493 |
|
|
* in addition we will be looking for lines that start with
|
494 |
|
|
* a period '.' and append and additional period '.' to that
|
495 |
|
|
* line. NOTE: this does not count towards limit.
|
496 |
|
|
*/
|
497 |
1550
|
Luisehahne
|
|
498 |
2053
|
darkviper
|
// Normalize the line breaks before exploding
|
499 |
|
|
$msg_data = str_replace("\r\n", "\n", $msg_data);
|
500 |
|
|
$msg_data = str_replace("\r", "\n", $msg_data);
|
501 |
|
|
$lines = explode("\n", $msg_data);
|
502 |
1550
|
Luisehahne
|
|
503 |
2053
|
darkviper
|
/* We need to find a good way to determine if headers are
|
504 |
|
|
* in the msg_data or if it is a straight msg body
|
505 |
|
|
* currently I am assuming rfc822 definitions of msg headers
|
506 |
|
|
* and if the first field of the first line (':' separated)
|
507 |
|
|
* does not contain a space then it _should_ be a header
|
508 |
|
|
* and we can process all lines before a blank "" line as
|
509 |
|
|
* headers.
|
510 |
|
|
*/
|
511 |
1550
|
Luisehahne
|
|
512 |
2053
|
darkviper
|
$field = substr($lines[0], 0, strpos($lines[0], ':'));
|
513 |
1550
|
Luisehahne
|
$in_headers = false;
|
514 |
2053
|
darkviper
|
if (!empty($field) && !strstr($field, ' ')) {
|
515 |
|
|
$in_headers = true;
|
516 |
1550
|
Luisehahne
|
}
|
517 |
|
|
|
518 |
2053
|
darkviper
|
//RFC 2822 section 2.1.1 limit
|
519 |
|
|
$max_line_length = 998;
|
520 |
1550
|
Luisehahne
|
|
521 |
2053
|
darkviper
|
foreach ($lines as $line) {
|
522 |
|
|
$lines_out = null;
|
523 |
|
|
if ($line == '' && $in_headers) {
|
524 |
|
|
$in_headers = false;
|
525 |
|
|
}
|
526 |
|
|
// ok we need to break this line up into several smaller lines
|
527 |
|
|
while (strlen($line) > $max_line_length) {
|
528 |
|
|
$pos = strrpos(substr($line, 0, $max_line_length), ' ');
|
529 |
1550
|
Luisehahne
|
|
530 |
2053
|
darkviper
|
// Patch to fix DOS attack
|
531 |
|
|
if (!$pos) {
|
532 |
|
|
$pos = $max_line_length - 1;
|
533 |
|
|
$lines_out[] = substr($line, 0, $pos);
|
534 |
|
|
$line = substr($line, $pos);
|
535 |
|
|
} else {
|
536 |
|
|
$lines_out[] = substr($line, 0, $pos);
|
537 |
|
|
$line = substr($line, $pos + 1);
|
538 |
|
|
}
|
539 |
1550
|
Luisehahne
|
|
540 |
2053
|
darkviper
|
/* If processing headers add a LWSP-char to the front of new line
|
541 |
|
|
* rfc822 on long msg headers
|
542 |
|
|
*/
|
543 |
|
|
if ($in_headers) {
|
544 |
|
|
$line = "\t" . $line;
|
545 |
|
|
}
|
546 |
|
|
}
|
547 |
|
|
$lines_out[] = $line;
|
548 |
1550
|
Luisehahne
|
|
549 |
2053
|
darkviper
|
// send the lines to the server
|
550 |
|
|
while (list(, $line_out) = @each($lines_out)) {
|
551 |
|
|
if (strlen($line_out) > 0) {
|
552 |
|
|
if (substr($line_out, 0, 1) == '.') {
|
553 |
|
|
$line_out = '.' . $line_out;
|
554 |
|
|
}
|
555 |
|
|
}
|
556 |
|
|
$this->client_send($line_out . self::CRLF);
|
557 |
|
|
}
|
558 |
|
|
}
|
559 |
1550
|
Luisehahne
|
|
560 |
2053
|
darkviper
|
// Message data has been sent, complete the command
|
561 |
|
|
return $this->sendCommand('DATA END', '.', 250);
|
562 |
1550
|
Luisehahne
|
}
|
563 |
|
|
|
564 |
2053
|
darkviper
|
/**
|
565 |
|
|
* Send an SMTP HELO or EHLO command.
|
566 |
|
|
* Used to identify the sending server to the receiving server.
|
567 |
|
|
* This makes sure that client and server are in a known state.
|
568 |
|
|
* Implements from RFC 821: HELO <SP> <domain> <CRLF>
|
569 |
|
|
* and RFC 2821 EHLO.
|
570 |
|
|
* @param string $host The host name or IP to connect to
|
571 |
|
|
* @access public
|
572 |
|
|
* @return bool
|
573 |
|
|
*/
|
574 |
|
|
public function hello($host = '')
|
575 |
|
|
{
|
576 |
|
|
// Try extended hello first (RFC 2821)
|
577 |
|
|
if (!$this->sendHello('EHLO', $host)) {
|
578 |
|
|
if (!$this->sendHello('HELO', $host)) {
|
579 |
|
|
return false;
|
580 |
|
|
}
|
581 |
|
|
}
|
582 |
1550
|
Luisehahne
|
|
583 |
2053
|
darkviper
|
return true;
|
584 |
1550
|
Luisehahne
|
}
|
585 |
|
|
|
586 |
2053
|
darkviper
|
/**
|
587 |
|
|
* Send an SMTP HELO or EHLO command.
|
588 |
|
|
* Low-level implementation used by hello()
|
589 |
|
|
* @see hello()
|
590 |
|
|
* @param string $hello The HELO string
|
591 |
|
|
* @param string $host The hostname to say we are
|
592 |
|
|
* @access protected
|
593 |
|
|
* @return bool
|
594 |
|
|
*/
|
595 |
|
|
protected function sendHello($hello, $host)
|
596 |
|
|
{
|
597 |
|
|
$noerror = $this->sendCommand($hello, $hello . ' ' . $host, 250);
|
598 |
|
|
$this->helo_rply = $this->last_reply;
|
599 |
|
|
return $noerror;
|
600 |
1550
|
Luisehahne
|
}
|
601 |
|
|
|
602 |
2053
|
darkviper
|
/**
|
603 |
|
|
* Send an SMTP MAIL command.
|
604 |
|
|
* Starts a mail transaction from the email address specified in
|
605 |
|
|
* $from. Returns true if successful or false otherwise. If True
|
606 |
|
|
* the mail transaction is started and then one or more recipient
|
607 |
|
|
* commands may be called followed by a data command.
|
608 |
|
|
* Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
|
609 |
|
|
* @param string $from Source address of this message
|
610 |
|
|
* @access public
|
611 |
|
|
* @return bool
|
612 |
|
|
*/
|
613 |
|
|
public function mail($from)
|
614 |
|
|
{
|
615 |
|
|
$useVerp = ($this->do_verp ? ' XVERP' : '');
|
616 |
|
|
return $this->sendCommand(
|
617 |
|
|
'MAIL FROM',
|
618 |
|
|
'MAIL FROM:<' . $from . '>' . $useVerp,
|
619 |
|
|
250
|
620 |
|
|
);
|
621 |
1550
|
Luisehahne
|
}
|
622 |
|
|
|
623 |
2053
|
darkviper
|
/**
|
624 |
|
|
* Send an SMTP QUIT command.
|
625 |
|
|
* Closes the socket if there is no error or the $close_on_error argument is true.
|
626 |
|
|
* Implements from rfc 821: QUIT <CRLF>
|
627 |
|
|
* @param bool $close_on_error Should the connection close if an error occurs?
|
628 |
|
|
* @access public
|
629 |
|
|
* @return bool
|
630 |
|
|
*/
|
631 |
|
|
public function quit($close_on_error = true)
|
632 |
|
|
{
|
633 |
|
|
$noerror = $this->sendCommand('QUIT', 'QUIT', 221);
|
634 |
|
|
$e = $this->error; //Save any error
|
635 |
|
|
if ($noerror or $close_on_error) {
|
636 |
|
|
$this->close();
|
637 |
|
|
$this->error = $e; //Restore any error from the quit command
|
638 |
|
|
}
|
639 |
|
|
return $noerror;
|
640 |
|
|
}
|
641 |
1550
|
Luisehahne
|
|
642 |
2053
|
darkviper
|
/**
|
643 |
|
|
* Send an SMTP RCPT command.
|
644 |
|
|
* Sets the TO argument to $to.
|
645 |
|
|
* Returns true if the recipient was accepted false if it was rejected.
|
646 |
|
|
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
|
647 |
|
|
* @param string $to The address the message is being sent to
|
648 |
|
|
* @access public
|
649 |
|
|
* @return bool
|
650 |
|
|
*/
|
651 |
|
|
public function recipient($to)
|
652 |
|
|
{
|
653 |
|
|
return $this->sendCommand(
|
654 |
|
|
'RCPT TO ',
|
655 |
|
|
'RCPT TO:<' . $to . '>',
|
656 |
|
|
array(250, 251)
|
657 |
|
|
);
|
658 |
1550
|
Luisehahne
|
}
|
659 |
|
|
|
660 |
2053
|
darkviper
|
/**
|
661 |
|
|
* Send an SMTP RSET command.
|
662 |
|
|
* Abort any transaction that is currently in progress.
|
663 |
|
|
* Implements rfc 821: RSET <CRLF>
|
664 |
|
|
* @access public
|
665 |
|
|
* @return bool True on success.
|
666 |
|
|
*/
|
667 |
|
|
public function reset()
|
668 |
|
|
{
|
669 |
|
|
return $this->sendCommand('RSET', 'RSET', 250);
|
670 |
1550
|
Luisehahne
|
}
|
671 |
|
|
|
672 |
2053
|
darkviper
|
/**
|
673 |
|
|
* Send a command to an SMTP server and check its return code.
|
674 |
|
|
* @param string $command The command name - not sent to the server
|
675 |
|
|
* @param string $commandstring The actual command to send
|
676 |
|
|
* @param int|array $expect One or more expected integer success codes
|
677 |
|
|
* @access protected
|
678 |
|
|
* @return bool True on success.
|
679 |
|
|
*/
|
680 |
|
|
protected function sendCommand($command, $commandstring, $expect)
|
681 |
|
|
{
|
682 |
|
|
if (!$this->connected()) {
|
683 |
|
|
$this->error = array(
|
684 |
|
|
"error" => "Called $command without being connected"
|
685 |
|
|
);
|
686 |
|
|
return false;
|
687 |
|
|
}
|
688 |
|
|
$this->client_send($commandstring . self::CRLF);
|
689 |
1550
|
Luisehahne
|
|
690 |
2053
|
darkviper
|
$reply = $this->get_lines();
|
691 |
|
|
$code = substr($reply, 0, 3);
|
692 |
1550
|
Luisehahne
|
|
693 |
2053
|
darkviper
|
if ($this->do_debug >= 2) {
|
694 |
|
|
$this->edebug('SMTP -> FROM SERVER:' . $reply);
|
695 |
|
|
}
|
696 |
1550
|
Luisehahne
|
|
697 |
2053
|
darkviper
|
if (!in_array($code, (array)$expect)) {
|
698 |
|
|
$this->last_reply = null;
|
699 |
|
|
$this->error = array(
|
700 |
|
|
"error" => "$command command failed",
|
701 |
|
|
"smtp_code" => $code,
|
702 |
|
|
"detail" => substr($reply, 4)
|
703 |
|
|
);
|
704 |
|
|
if ($this->do_debug >= 1) {
|
705 |
|
|
$this->edebug(
|
706 |
|
|
'SMTP -> ERROR: ' . $this->error['error'] . ': ' . $reply
|
707 |
|
|
);
|
708 |
|
|
}
|
709 |
|
|
return false;
|
710 |
|
|
}
|
711 |
1550
|
Luisehahne
|
|
712 |
2053
|
darkviper
|
$this->last_reply = $reply;
|
713 |
|
|
$this->error = null;
|
714 |
|
|
return true;
|
715 |
1550
|
Luisehahne
|
}
|
716 |
|
|
|
717 |
2053
|
darkviper
|
/**
|
718 |
|
|
* Send an SMTP SAML command.
|
719 |
|
|
* Starts a mail transaction from the email address specified in $from.
|
720 |
|
|
* Returns true if successful or false otherwise. If True
|
721 |
|
|
* the mail transaction is started and then one or more recipient
|
722 |
|
|
* commands may be called followed by a data command. This command
|
723 |
|
|
* will send the message to the users terminal if they are logged
|
724 |
|
|
* in and send them an email.
|
725 |
|
|
* Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
|
726 |
|
|
* @param string $from The address the message is from
|
727 |
|
|
* @access public
|
728 |
|
|
* @return bool
|
729 |
|
|
*/
|
730 |
|
|
public function sendAndMail($from)
|
731 |
|
|
{
|
732 |
|
|
return $this->sendCommand("SAML", "SAML FROM:$from", 250);
|
733 |
1550
|
Luisehahne
|
}
|
734 |
|
|
|
735 |
2053
|
darkviper
|
/**
|
736 |
|
|
* Send an SMTP VRFY command.
|
737 |
|
|
* @param string $name The name to verify
|
738 |
|
|
* @access public
|
739 |
|
|
* @return bool
|
740 |
|
|
*/
|
741 |
|
|
public function verify($name)
|
742 |
|
|
{
|
743 |
|
|
return $this->sendCommand("VRFY", "VRFY $name", array(250, 251));
|
744 |
1550
|
Luisehahne
|
}
|
745 |
|
|
|
746 |
2053
|
darkviper
|
/**
|
747 |
|
|
* Send an SMTP NOOP command.
|
748 |
|
|
* Used to keep keep-alives alive, doesn't actually do anything
|
749 |
|
|
* @access public
|
750 |
|
|
* @return bool
|
751 |
|
|
*/
|
752 |
|
|
public function noop()
|
753 |
|
|
{
|
754 |
|
|
return $this->sendCommand("NOOP", "NOOP", 250);
|
755 |
1550
|
Luisehahne
|
}
|
756 |
|
|
|
757 |
2053
|
darkviper
|
/**
|
758 |
|
|
* Send an SMTP TURN command.
|
759 |
|
|
* This is an optional command for SMTP that this class does not support.
|
760 |
|
|
* This method is here to make the RFC821 Definition
|
761 |
|
|
* complete for this class and __may__ be implemented in future
|
762 |
|
|
* Implements from rfc 821: TURN <CRLF>
|
763 |
|
|
* @access public
|
764 |
|
|
* @return bool
|
765 |
|
|
*/
|
766 |
|
|
public function turn()
|
767 |
|
|
{
|
768 |
|
|
$this->error = array(
|
769 |
|
|
'error' => 'The SMTP TURN command is not implemented'
|
770 |
|
|
);
|
771 |
|
|
if ($this->do_debug >= 1) {
|
772 |
|
|
$this->edebug('SMTP -> NOTICE: ' . $this->error['error']);
|
773 |
|
|
}
|
774 |
|
|
return false;
|
775 |
1550
|
Luisehahne
|
}
|
776 |
|
|
|
777 |
2053
|
darkviper
|
/**
|
778 |
|
|
* Send raw data to the server.
|
779 |
|
|
* @param string $data The data to send
|
780 |
|
|
* @access public
|
781 |
|
|
* @return int|bool The number of bytes sent to the server or FALSE on error
|
782 |
|
|
*/
|
783 |
|
|
public function client_send($data)
|
784 |
|
|
{
|
785 |
|
|
if ($this->do_debug >= 1) {
|
786 |
|
|
$this->edebug("CLIENT -> SMTP: $data");
|
787 |
|
|
}
|
788 |
|
|
return fwrite($this->smtp_conn, $data);
|
789 |
1550
|
Luisehahne
|
}
|
790 |
|
|
|
791 |
2053
|
darkviper
|
/**
|
792 |
|
|
* Get the latest error.
|
793 |
|
|
* @access public
|
794 |
|
|
* @return array
|
795 |
|
|
*/
|
796 |
|
|
public function getError()
|
797 |
|
|
{
|
798 |
|
|
return $this->error;
|
799 |
1550
|
Luisehahne
|
}
|
800 |
|
|
|
801 |
2053
|
darkviper
|
/**
|
802 |
|
|
* Get the last reply from the server.
|
803 |
|
|
* @access public
|
804 |
|
|
* @return string
|
805 |
|
|
*/
|
806 |
|
|
public function getLastReply()
|
807 |
|
|
{
|
808 |
|
|
return $this->last_reply;
|
809 |
1550
|
Luisehahne
|
}
|
810 |
|
|
|
811 |
2053
|
darkviper
|
/**
|
812 |
|
|
* Read the SMTP server's response.
|
813 |
|
|
* Either before eof or socket timeout occurs on the operation.
|
814 |
|
|
* With SMTP we can tell if we have more lines to read if the
|
815 |
|
|
* 4th character is '-' symbol. If it is a space then we don't
|
816 |
|
|
* need to read anything else.
|
817 |
|
|
* @access protected
|
818 |
|
|
* @return string
|
819 |
|
|
*/
|
820 |
|
|
protected function get_lines()
|
821 |
|
|
{
|
822 |
|
|
$data = '';
|
823 |
|
|
$endtime = 0;
|
824 |
|
|
// If the connection is bad, give up now
|
825 |
|
|
if (!is_resource($this->smtp_conn)) {
|
826 |
|
|
return $data;
|
827 |
|
|
}
|
828 |
|
|
stream_set_timeout($this->smtp_conn, $this->Timeout);
|
829 |
|
|
if ($this->Timelimit > 0) {
|
830 |
|
|
$endtime = time() + $this->Timelimit;
|
831 |
|
|
}
|
832 |
|
|
while (is_resource($this->smtp_conn) && !feof($this->smtp_conn)) {
|
833 |
|
|
$str = @fgets($this->smtp_conn, 515);
|
834 |
|
|
if ($this->do_debug >= 4) {
|
835 |
|
|
$this->edebug("SMTP -> get_lines(): \$data was \"$data\"");
|
836 |
|
|
$this->edebug("SMTP -> get_lines(): \$str is \"$str\"");
|
837 |
|
|
}
|
838 |
|
|
$data .= $str;
|
839 |
|
|
if ($this->do_debug >= 4) {
|
840 |
|
|
$this->edebug("SMTP -> get_lines(): \$data is \"$data\"");
|
841 |
|
|
}
|
842 |
|
|
// if 4th character is a space, we are done reading, break the loop
|
843 |
|
|
if (substr($str, 3, 1) == ' ') {
|
844 |
|
|
break;
|
845 |
|
|
}
|
846 |
|
|
// Timed-out? Log and break
|
847 |
|
|
$info = stream_get_meta_data($this->smtp_conn);
|
848 |
|
|
if ($info['timed_out']) {
|
849 |
|
|
if ($this->do_debug >= 4) {
|
850 |
|
|
$this->edebug(
|
851 |
|
|
'SMTP -> get_lines(): timed-out (' . $this->Timeout . ' sec)'
|
852 |
|
|
);
|
853 |
|
|
}
|
854 |
|
|
break;
|
855 |
|
|
}
|
856 |
|
|
// Now check if reads took too long
|
857 |
|
|
if ($endtime) {
|
858 |
|
|
if (time() > $endtime) {
|
859 |
|
|
if ($this->do_debug >= 4) {
|
860 |
|
|
$this->edebug(
|
861 |
|
|
'SMTP -> get_lines(): timelimit reached ('
|
862 |
|
|
. $this->Timelimit . ' sec)'
|
863 |
|
|
);
|
864 |
|
|
}
|
865 |
|
|
break;
|
866 |
|
|
}
|
867 |
|
|
}
|
868 |
|
|
}
|
869 |
|
|
return $data;
|
870 |
1550
|
Luisehahne
|
}
|
871 |
|
|
|
872 |
2053
|
darkviper
|
/**
|
873 |
|
|
* Enable or disable VERP address generation.
|
874 |
|
|
* @param bool $enabled
|
875 |
|
|
*/
|
876 |
|
|
public function setVerp($enabled = false)
|
877 |
|
|
{
|
878 |
|
|
$this->do_verp = $enabled;
|
879 |
1550
|
Luisehahne
|
}
|
880 |
|
|
|
881 |
2053
|
darkviper
|
/**
|
882 |
|
|
* Get VERP address generation mode.
|
883 |
|
|
* @return bool
|
884 |
|
|
*/
|
885 |
|
|
public function getVerp()
|
886 |
|
|
{
|
887 |
|
|
return $this->do_verp;
|
888 |
1550
|
Luisehahne
|
}
|
889 |
|
|
|
890 |
2053
|
darkviper
|
/**
|
891 |
|
|
* Set debug output method.
|
892 |
|
|
* @param string $method The function/method to use for debugging output.
|
893 |
|
|
*/
|
894 |
|
|
public function setDebugOutput($method = 'echo')
|
895 |
|
|
{
|
896 |
|
|
$this->Debugoutput = $method;
|
897 |
1550
|
Luisehahne
|
}
|
898 |
|
|
|
899 |
2053
|
darkviper
|
/**
|
900 |
|
|
* Get debug output method.
|
901 |
|
|
* @return string
|
902 |
|
|
*/
|
903 |
|
|
public function getDebugOutput()
|
904 |
|
|
{
|
905 |
|
|
return $this->Debugoutput;
|
906 |
1550
|
Luisehahne
|
}
|
907 |
|
|
|
908 |
2053
|
darkviper
|
/**
|
909 |
|
|
* Set debug output level.
|
910 |
|
|
* @param int $level
|
911 |
|
|
*/
|
912 |
|
|
public function setDebugLevel($level = 0)
|
913 |
|
|
{
|
914 |
|
|
$this->do_debug = $level;
|
915 |
1550
|
Luisehahne
|
}
|
916 |
|
|
|
917 |
2053
|
darkviper
|
/**
|
918 |
|
|
* Get debug output level.
|
919 |
|
|
* @return int
|
920 |
|
|
*/
|
921 |
|
|
public function getDebugLevel()
|
922 |
|
|
{
|
923 |
|
|
return $this->do_debug;
|
924 |
1550
|
Luisehahne
|
}
|
925 |
|
|
|
926 |
2053
|
darkviper
|
/**
|
927 |
|
|
* Set SMTP timeout.
|
928 |
|
|
* @param int $timeout
|
929 |
|
|
*/
|
930 |
|
|
public function setTimeout($timeout = 0)
|
931 |
|
|
{
|
932 |
|
|
$this->Timeout = $timeout;
|
933 |
1550
|
Luisehahne
|
}
|
934 |
|
|
|
935 |
2053
|
darkviper
|
/**
|
936 |
|
|
* Get SMTP timeout.
|
937 |
|
|
* @return int
|
938 |
|
|
*/
|
939 |
|
|
public function getTimeout()
|
940 |
|
|
{
|
941 |
|
|
return $this->Timeout;
|
942 |
1550
|
Luisehahne
|
}
|
943 |
|
|
}
|