979 lines
33 KiB
PHP
979 lines
33 KiB
PHP
<?php
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/*~ class.smtp.php
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.---------------------------------------------------------------------------.
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| Software: PHPMailer - PHP email class |
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| Version: 5.1 |
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| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
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| Info: http://phpmailer.sourceforge.net |
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| Support: http://sourceforge.net/projects/phpmailer/ |
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| ------------------------------------------------------------------------- |
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| Admin: Andy Prevost (project admininistrator) |
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| Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
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| : Marcus Bointon (coolbru) coolbru@users.sourceforge.net |
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| Founder: Brent R. Matzelle (original founder) |
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| Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. |
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| Copyright (c) 2001-2003, Brent R. Matzelle |
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| ------------------------------------------------------------------------- |
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| License: Distributed under the Lesser General Public License (LGPL) |
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| http://www.gnu.org/copyleft/lesser.html |
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| This program is distributed in the hope that it will be useful - WITHOUT |
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| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| FITNESS FOR A PARTICULAR PURPOSE. |
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| ------------------------------------------------------------------------- |
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| We offer a number of paid services (www.codeworxtech.com): |
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| - Web Hosting on highly optimized fast and secure servers |
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| - Technology Consulting |
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| - Oursourcing (highly qualified programmers and graphic designers) |
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'---------------------------------------------------------------------------'
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*/
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/**
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* PHPMailer - PHP SMTP email transport class
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* NOTE: Designed for use with PHP version 5 and up
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* @package PHPMailer
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* @author Andy Prevost
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* @author Marcus Bointon
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* @copyright 2004 - 2008 Andy Prevost
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* @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
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* @version $Id: class.smtp.php 444 2009-05-05 11:22:26Z coolbru $
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*/
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/**
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* SMTP is rfc 821 compliant and implements all the rfc 821 SMTP
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* commands except TURN which will always return a not implemented
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* error. SMTP also provides some utility methods for sending mail
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* to an SMTP server.
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* original author: Chris Ryan
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*/
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class SMTP {
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/**
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* SMTP server port
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* @var int
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*/
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public $SMTP_PORT = 25;
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/**
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* SMTP reply line ending
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* @var string
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*/
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public $CRLF = "\r\n";
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/**
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* Sets whether debugging is turned on
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* @var bool
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*/
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public $do_debug; // the level of debug to perform
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/**
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* Sets VERP use on/off (default is off)
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* @var bool
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*/
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public $do_verp = false;
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/////////////////////////////////////////////////
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// PROPERTIES, PRIVATE AND PROTECTED
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/////////////////////////////////////////////////
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private $smtp_conn; // the socket to the server
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private $error; // error if any on the last call
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private $helo_rply; // the reply the server sent to us for HELO
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protected $server_caps = null;
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/**
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* Initialize the class so that the data is in a known state.
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* @access public
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* @return void
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*/
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public function __construct() {
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$this->smtp_conn = 0;
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$this->error = null;
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$this->helo_rply = null;
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$this->do_debug = 0;
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}
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/////////////////////////////////////////////////
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// CONNECTION FUNCTIONS
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/////////////////////////////////////////////////
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/**
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* Connect to the server specified on the port specified.
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* If the port is not specified use the default SMTP_PORT.
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* If tval is specified then a connection will try and be
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* established with the server for that number of seconds.
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* If tval is not specified the default is 30 seconds to
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* try on the connection.
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*
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* SMTP CODE SUCCESS: 220
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* SMTP CODE FAILURE: 421
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* @access public
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* @return bool
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*/
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public function Connect($host, $port = 0, $tval = 30) {
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// set the error val to null so there is no confusion
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$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 = $this->SMTP_PORT;
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}
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// connect to the smtp server
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// Replace fsockopen for don't validate remote hosts
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$contextOptions['ssl']['verify_host'] = false;
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$contextOptions['ssl']['verify_peer'] = false;
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$contextOptions['ssl']['verify_peer_name'] = false;
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$context = stream_context_create($contextOptions);
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$this->smtp_conn = stream_socket_client($host . ':' . $port, $errno, $errstr, $tval, STREAM_CLIENT_CONNECT, $context);
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// verify we connected properly
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if(empty($this->smtp_conn)) {
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$this->error = array("error" => "Failed to connect to server",
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"errno" => $errno,
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"errstr" => $errstr);
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error["error"] . ": $errstr ($errno)" . $this->CRLF . '<br />';
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}
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return false;
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}
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// SMTP server can take longer to respond, give longer timeout for first read
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// Windows does not have support for this timeout function
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if(substr(PHP_OS, 0, 3) != "WIN")
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socket_set_timeout($this->smtp_conn, $tval, 0);
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// get any announcement
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$announce = $this->get_lines();
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if($this->do_debug >= 2) {
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echo "SMTP -> FROM SERVER:" . $announce . $this->CRLF . '<br />';
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}
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return true;
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}
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/**
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* Initiate a TLS communication with the server.
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*
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* SMTP CODE 220 Ready to start TLS
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* SMTP CODE 501 Syntax error (no parameters allowed)
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* SMTP CODE 454 TLS not available due to temporary reason
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* @access public
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* @return bool success
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*/
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public function StartTLS() {
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$this->error = null; # to avoid confusion
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if(!$this->connected()) {
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$this->error = array("error" => "Called StartTLS() without being connected");
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return false;
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}
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fputs($this->smtp_conn,"STARTTLS" . $this->CRLF);
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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if($this->do_debug >= 2) {
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echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
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}
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if($code != 220) {
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$this->error =
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array("error" => "STARTTLS not accepted from server",
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"smtp_code" => $code,
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"smtp_msg" => substr($rply,4));
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
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}
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return false;
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}
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// Begin encrypted connection
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if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
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return false;
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}
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return true;
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}
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/**
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* Performs SMTP authentication. Must be run after running the
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* Hello() method. Returns true if successfully authenticated.
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* @access public
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* @return bool
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*/
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public function Authenticate($username, $password)
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{
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$authtype = '';
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if (!$this->server_caps) {
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$this->error = array("error" => "Authentication is not allowed before HELO/EHLO");
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return false;
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}
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if (array_key_exists('EHLO', $this->server_caps)) {
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// SMTP extensions are available; try to find a proper authentication method
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if (!array_key_exists('AUTH', $this->server_caps)) {
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$this->error = array("error" => "Authentication is not allowed at this stage");
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// 'at this stage' means that auth may be allowed after the stage changes
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// e.g. after STARTTLS
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return false;
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}
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//If we have requested a specific auth type, check the server supports it before trying others
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if (null !== $authtype and !in_array($authtype, $this->server_caps['AUTH'])) {
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$authtype = null;
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}
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if (empty($authtype)) {
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//If no auth mechanism is specified, attempt to use these, in this order
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//Try CRAM-MD5 first as it's more secure than the others
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foreach (array('CRAM-MD5', 'LOGIN', 'PLAIN', 'XOAUTH2', 'NTLM') as $method) {
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if (in_array($method, $this->server_caps['AUTH'])) {
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$authtype = $method;
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break;
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}
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}
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if (empty($authtype)) {
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$this->error = array("error" => "No supported authentication methods found");
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return false;
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}
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}
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if (!in_array($authtype, $this->server_caps['AUTH'])) {
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$this->error = array("error" => "The requested authentication method \"$authtype\" is not supported by the server");
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return false;
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}
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} elseif (empty($authtype)) {
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$authtype = 'LOGIN';
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}
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switch ($authtype) {
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case 'PLAIN':
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// Start authentication
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if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
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return false;
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}
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// Send encoded username and password
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if (!$this->sendCommand(
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'User & Password',
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base64_encode("\0" . $username . "\0" . $password),
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235
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)
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) {
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return false;
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}
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break;
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case 'LOGIN':
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// Start authentication
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if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
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return false;
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}
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if (!$this->sendCommand('Username', base64_encode($username), 334)) {
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return false;
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}
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if (!$this->sendCommand('Password', base64_encode($password), 235)) {
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return false;
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}
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break;
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case 'NTLM':
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// Start authentication
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helper::import(dirname(__FILE__) . '/ntlm_sasl_client.php');
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$temp = new stdClass();
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$ntlmClient = new ntlm_sasl_client_class();
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if(!$ntlmClient->Initialize($temp)) //let's test if every function its available
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{
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$this->error = array("error" => $temp->error);
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if($this->do_debug >= 1) {
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echo "You need to enable some modules in your php.ini file: " . $this->error["error"] . $this->CRLF;
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}
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return false;
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}
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$msg1 = $ntlmClient->TypeMsg1();
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if(!$this->sendCommand('AUTH', "AUTH NTLM " . base64_encode($msg1), 334)) return false;
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$challange = trim(substr($this->last_reply, 3));//though 0 based, there is a white space after the 3 digit number....//msg2
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$challange = base64_decode($challange);
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$ntlmRes = $ntlmClient->NTLMResponse(substr($challange, 24, 8), $password);
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$msg3 = $ntlmClient->TypeMsg3($ntlmRes, $username, '', '');//msg3
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// Send encoded username
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if (!$this->sendCommand('Password', base64_encode($msg3), 235)) return false;
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break;
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case 'CRAM-MD5':
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// Start authentication
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if (!$this->sendCommand('AUTH CRAM-MD5', 'AUTH CRAM-MD5', 334)) {
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return false;
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}
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// Get the challenge
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$challenge = base64_decode(substr($this->last_reply, 4));
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// Build the response
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$response = $username . ' ' . $this->hmac($challenge, $password);
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// send encoded credentials
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return $this->sendCommand('Username', base64_encode($response), 235);
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default:
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$this->error = array("error" => "Authentication method \"$authtype\" is not supported");
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return false;
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}
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return true;
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}
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/**
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* Calculate an MD5 HMAC hash.
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* Works like hash_hmac('md5', $data, $key)
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* in case that function is not available.
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*
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* @param string $data The data to hash
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* @param string $key The key to hash with
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*
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* @return string
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*/
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public function hmac($data, $key)
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{
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if(function_exists('hash_hmac')) return hash_hmac('md5', $data, $key);
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// The following borrowed from
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// http://php.net/manual/en/function.mhash.php#27225
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// RFC 2104 HMAC implementation for php.
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// Creates an md5 HMAC.
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// Eliminates the need to install mhash to compute a HMAC
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// by Lance Rushing
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$bytelen = 64; // byte length for md5
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if(strlen($key) > $bytelen) $key = pack('H*', md5($key));
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$key = str_pad($key, $bytelen, chr(0x00));
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$ipad = str_pad('', $bytelen, chr(0x36));
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$opad = str_pad('', $bytelen, chr(0x5c));
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$k_ipad = $key ^ $ipad;
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$k_opad = $key ^ $opad;
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return md5($k_opad . pack('H*', md5($k_ipad . $data)));
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}
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/**
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* Returns true if connected to a server otherwise false
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* @access public
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* @return bool
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*/
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public function Connected()
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{
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if(!empty($this->smtp_conn)) {
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$sock_status = socket_get_status($this->smtp_conn);
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if($sock_status["eof"]) {
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// the socket is valid but we are not connected
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if($this->do_debug >= 1) {
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echo "SMTP -> NOTICE:" . $this->CRLF . "EOF caught while checking if connected";
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}
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$this->Close();
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return false;
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}
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return true; // everything looks good
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}
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return false;
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}
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/**
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* Closes the socket and cleans up the state of the class.
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* It is not considered good to use this function without
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* first trying to use QUIT.
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* @access public
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* @return void
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*/
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public function Close() {
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$this->error = null; // so there is no confusion
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$this->helo_rply = null;
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if(!empty($this->smtp_conn)) {
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// close the connection and cleanup
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fclose($this->smtp_conn);
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$this->smtp_conn = 0;
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}
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}
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/////////////////////////////////////////////////
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// SMTP COMMANDS
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/////////////////////////////////////////////////
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/**
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* Issues a data command and sends the msg_data to the server
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* finializing the mail transaction. $msg_data is the message
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* that is to be send with the headers. Each header needs to be
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* on a single line followed by a <CRLF> with the message headers
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* and the message body being seperated by and additional <CRLF>.
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*
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* Implements rfc 821: DATA <CRLF>
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*
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* SMTP CODE INTERMEDIATE: 354
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* [data]
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* <CRLF>.<CRLF>
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* SMTP CODE SUCCESS: 250
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* SMTP CODE FAILURE: 552,554,451,452
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* SMTP CODE FAILURE: 451,554
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* SMTP CODE ERROR : 500,501,503,421
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* @access public
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* @return bool
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*/
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public function Data($msg_data) {
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$this->error = null; // so no confusion is caused
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if(!$this->connected()) {
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$this->error = array(
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"error" => "Called Data() without being connected");
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return false;
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}
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fputs($this->smtp_conn,"DATA" . $this->CRLF);
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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if($this->do_debug >= 2) {
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echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
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}
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if($code != 354) {
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$this->error =
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array("error" => "DATA command not accepted from server",
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"smtp_code" => $code,
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"smtp_msg" => substr($rply,4));
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
|
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}
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return false;
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}
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|
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/* the server is ready to accept data!
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* according to rfc 821 we should not send more than 1000
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* including the CRLF
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* characters on a single line so we will break the data up
|
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* into lines by \r and/or \n then if needed we will break
|
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* each of those into smaller lines to fit within the limit.
|
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* in addition we will be looking for lines that start with
|
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* a period '.' and append and additional period '.' to that
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* line. NOTE: this does not count towards limit.
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*/
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|
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// normalize the line breaks so we know the explode works
|
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$msg_data = str_replace("\r\n","\n",$msg_data);
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$msg_data = str_replace("\r","\n",$msg_data);
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$lines = explode("\n",$msg_data);
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|
|
/* we need to find a good way to determine is headers are
|
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* in the msg_data or if it is a straight msg body
|
|
* currently I am assuming rfc 822 definitions of msg headers
|
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* and if the first field of the first line (':' sperated)
|
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* does not contain a space then it _should_ be a header
|
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* and we can process all lines before a blank "" line as
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* headers.
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*/
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$field = substr($lines[0],0,strpos($lines[0],":"));
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$in_headers = false;
|
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if(!empty($field) && !strstr($field," ")) {
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$in_headers = true;
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}
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|
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$max_line_length = 998; // used below; set here for ease in change
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|
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foreach($lines as $line) {
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$lines_out = null;
|
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if($line == "" && $in_headers) {
|
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$in_headers = false;
|
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}
|
|
// ok we need to break this line up into several smaller lines
|
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while(strlen($line) > $max_line_length) {
|
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$pos = strrpos(substr($line,0,$max_line_length)," ");
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|
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// Patch to fix DOS attack
|
|
if(!$pos) {
|
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$pos = $max_line_length - 1;
|
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$lines_out[] = substr($line,0,$pos);
|
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$line = substr($line,$pos);
|
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} else {
|
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$lines_out[] = substr($line,0,$pos);
|
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$line = substr($line,$pos + 1);
|
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}
|
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|
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/* if processing headers add a LWSP-char to the front of new line
|
|
* rfc 822 on long msg headers
|
|
*/
|
|
if($in_headers) {
|
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$line = "\t" . $line;
|
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}
|
|
}
|
|
$lines_out[] = $line;
|
|
|
|
// send the lines to the server
|
|
foreach($lines_out as $line_out) {
|
|
if(strlen($line_out) > 0)
|
|
{
|
|
if(substr($line_out, 0, 1) == ".") {
|
|
$line_out = "." . $line_out;
|
|
}
|
|
}
|
|
fputs($this->smtp_conn,$line_out . $this->CRLF);
|
|
}
|
|
}
|
|
|
|
// message data has been sent
|
|
fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
|
|
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
|
|
if($this->do_debug >= 2) {
|
|
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
|
|
}
|
|
|
|
if($code != 250) {
|
|
$this->error =
|
|
array("error" => "DATA not accepted from server",
|
|
"smtp_code" => $code,
|
|
"smtp_msg" => substr($rply,4));
|
|
if($this->do_debug >= 1) {
|
|
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sends the HELO command to the smtp server.
|
|
* This makes sure that we and the server are in
|
|
* the same known state.
|
|
*
|
|
* Implements from rfc 821: HELO <SP> <domain> <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE ERROR : 500, 501, 504, 421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Hello($host = '') {
|
|
$this->error = null; // so no confusion is caused
|
|
|
|
if(!$this->connected()) {
|
|
$this->error = array(
|
|
"error" => "Called Hello() without being connected");
|
|
return false;
|
|
}
|
|
|
|
// if hostname for HELO was not specified send default
|
|
if(empty($host)) {
|
|
// determine appropriate default to send to server
|
|
$host = "localhost";
|
|
}
|
|
|
|
// Send extended hello first (RFC 2821)
|
|
if(!$this->SendHello("EHLO", $host)) {
|
|
if(!$this->SendHello("HELO", $host)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
protected function sendHello($hello, $host)
|
|
{
|
|
$noerror = $this->sendCommand($hello, $hello . ' ' . $host, 250);
|
|
$this->helo_rply = $this->last_reply;
|
|
if ($noerror) {
|
|
$this->parseHelloFields($hello);
|
|
} else {
|
|
$this->server_caps = null;
|
|
}
|
|
|
|
return $noerror;
|
|
}
|
|
|
|
protected function parseHelloFields($type)
|
|
{
|
|
$this->server_caps = array();
|
|
$lines = explode("\n", $this->helo_rply);
|
|
|
|
foreach ($lines as $n => $s) {
|
|
//First 4 chars contain response code followed by - or space
|
|
$s = trim(substr($s, 4));
|
|
if (empty($s)) {
|
|
continue;
|
|
}
|
|
$fields = explode(' ', $s);
|
|
if (!empty($fields)) {
|
|
if (!$n) {
|
|
$name = $type;
|
|
$fields = $fields[0];
|
|
} else {
|
|
$name = array_shift($fields);
|
|
switch ($name) {
|
|
case 'SIZE':
|
|
$fields = ($fields ? $fields[0] : 0);
|
|
break;
|
|
case 'AUTH':
|
|
if (!is_array($fields)) {
|
|
$fields = array();
|
|
}
|
|
break;
|
|
default:
|
|
$fields = true;
|
|
}
|
|
}
|
|
$this->server_caps[$name] = $fields;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected function sendCommand($command, $commandstring, $expect)
|
|
{
|
|
if (!$this->connected()) {
|
|
$this->error = array("error" => "Called $command without being connected");
|
|
return false;
|
|
}
|
|
//Reject line breaks in all commands
|
|
if (strpos($commandstring, "\n") !== false or strpos($commandstring, "\r") !== false) {
|
|
$this->error = array("error" => "Command '$command' contained line breaks");
|
|
return false;
|
|
}
|
|
$this->client_send($commandstring . $this->CRLF, $command);
|
|
|
|
$this->last_reply = $this->get_lines();
|
|
// Fetch SMTP code and possible error code explanation
|
|
$matches = array();
|
|
if (preg_match('/^([0-9]{3})[ -](?:([0-9]\\.[0-9]\\.[0-9]) )?/', $this->last_reply, $matches)) {
|
|
$code = $matches[1];
|
|
$code_ex = (count($matches) > 2 ? $matches[2] : null);
|
|
// Cut off error code from each response line
|
|
$detail = preg_replace(
|
|
"/{$code}[ -]" .
|
|
($code_ex ? str_replace('.', '\\.', $code_ex) . ' ' : '') . '/m',
|
|
'',
|
|
$this->last_reply
|
|
);
|
|
} else {
|
|
// Fall back to simple parsing if regex fails
|
|
$code = substr($this->last_reply, 0, 3);
|
|
$code_ex = null;
|
|
$detail = substr($this->last_reply, 4);
|
|
}
|
|
|
|
if (!in_array($code, (array) $expect)) {
|
|
$this->error = array("error" => "$command command failed $detail $code $code_ex");
|
|
return false;
|
|
}
|
|
|
|
$this->error = array();
|
|
return true;
|
|
}
|
|
|
|
public function client_send($data, $command = '')
|
|
{
|
|
//If SMTP transcripts are left enabled, or debug output is posted online
|
|
//it can leak credentials, so hide credentials in all but lowest level
|
|
$result = fwrite($this->smtp_conn, $data);
|
|
restore_error_handler();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Starts a mail transaction from the email address specified in
|
|
* $from. Returns true if successful or false otherwise. If True
|
|
* the mail transaction is started and then one or more Recipient
|
|
* commands may be called followed by a Data command.
|
|
*
|
|
* Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE SUCCESS: 552,451,452
|
|
* SMTP CODE SUCCESS: 500,501,421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Mail($from) {
|
|
$this->error = null; // so no confusion is caused
|
|
|
|
if(!$this->connected()) {
|
|
$this->error = array(
|
|
"error" => "Called Mail() without being connected");
|
|
return false;
|
|
}
|
|
|
|
$useVerp = ($this->do_verp ? "XVERP" : "");
|
|
fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF);
|
|
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
|
|
if($this->do_debug >= 2) {
|
|
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
|
|
}
|
|
|
|
if($code != 250) {
|
|
$this->error =
|
|
array("error" => "MAIL not accepted from server",
|
|
"smtp_code" => $code,
|
|
"smtp_msg" => substr($rply,4));
|
|
if($this->do_debug >= 1) {
|
|
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sends the quit command to the server and then closes the socket
|
|
* if there is no error or the $close_on_error argument is true.
|
|
*
|
|
* Implements from rfc 821: QUIT <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 221
|
|
* SMTP CODE ERROR : 500
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Quit($close_on_error = true) {
|
|
$this->error = null; // so there is no confusion
|
|
|
|
if(!$this->connected()) {
|
|
$this->error = array(
|
|
"error" => "Called Quit() without being connected");
|
|
return false;
|
|
}
|
|
|
|
// send the quit command to the server
|
|
fputs($this->smtp_conn,"quit" . $this->CRLF);
|
|
|
|
// get any good-bye messages
|
|
$byemsg = $this->get_lines();
|
|
|
|
if($this->do_debug >= 2) {
|
|
echo "SMTP -> FROM SERVER:" . $byemsg . $this->CRLF . '<br />';
|
|
}
|
|
|
|
$rval = true;
|
|
$e = null;
|
|
|
|
$code = substr($byemsg,0,3);
|
|
if($code != 221) {
|
|
// use e as a tmp var cause Close will overwrite $this->error
|
|
$e = array("error" => "SMTP server rejected quit command",
|
|
"smtp_code" => $code,
|
|
"smtp_rply" => substr($byemsg,4));
|
|
$rval = false;
|
|
if($this->do_debug >= 1) {
|
|
echo "SMTP -> ERROR: " . $e["error"] . ": " . $byemsg . $this->CRLF . '<br />';
|
|
}
|
|
}
|
|
|
|
if(empty($e) || $close_on_error) {
|
|
$this->Close();
|
|
}
|
|
|
|
return $rval;
|
|
}
|
|
|
|
/**
|
|
* Sends the command RCPT to the SMTP server with the TO: argument of $to.
|
|
* Returns true if the recipient was accepted false if it was rejected.
|
|
*
|
|
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250,251
|
|
* SMTP CODE FAILURE: 550,551,552,553,450,451,452
|
|
* SMTP CODE ERROR : 500,501,503,421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Recipient($to) {
|
|
$this->error = null; // so no confusion is caused
|
|
|
|
if(!$this->connected()) {
|
|
$this->error = array(
|
|
"error" => "Called Recipient() without being connected");
|
|
return false;
|
|
}
|
|
|
|
fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);
|
|
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
|
|
if($this->do_debug >= 2) {
|
|
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
|
|
}
|
|
|
|
if($code != 250 && $code != 251) {
|
|
$this->error =
|
|
array("error" => "RCPT not accepted from server",
|
|
"smtp_code" => $code,
|
|
"smtp_msg" => substr($rply,4));
|
|
if($this->do_debug >= 1) {
|
|
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sends the RSET command to abort and transaction that is
|
|
* currently in progress. Returns true if successful false
|
|
* otherwise.
|
|
*
|
|
* Implements rfc 821: RSET <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE ERROR : 500,501,504,421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Reset() {
|
|
$this->error = null; // so no confusion is caused
|
|
|
|
if(!$this->connected()) {
|
|
$this->error = array(
|
|
"error" => "Called Reset() without being connected");
|
|
return false;
|
|
}
|
|
|
|
fputs($this->smtp_conn,"RSET" . $this->CRLF);
|
|
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
|
|
if($this->do_debug >= 2) {
|
|
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
|
|
}
|
|
|
|
if($code != 250) {
|
|
$this->error =
|
|
array("error" => "RSET failed",
|
|
"smtp_code" => $code,
|
|
"smtp_msg" => substr($rply,4));
|
|
if($this->do_debug >= 1) {
|
|
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Starts a mail transaction from the email address specified in
|
|
* $from. Returns true if successful or false otherwise. If True
|
|
* the mail transaction is started and then one or more Recipient
|
|
* commands may be called followed by a Data command. This command
|
|
* will send the message to the users terminal if they are logged
|
|
* in and send them an email.
|
|
*
|
|
* Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE SUCCESS: 552,451,452
|
|
* SMTP CODE SUCCESS: 500,501,502,421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function SendAndMail($from) {
|
|
$this->error = null; // so no confusion is caused
|
|
|
|
if(!$this->connected()) {
|
|
$this->error = array(
|
|
"error" => "Called SendAndMail() without being connected");
|
|
return false;
|
|
}
|
|
|
|
fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
|
|
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
|
|
if($this->do_debug >= 2) {
|
|
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
|
|
}
|
|
|
|
if($code != 250) {
|
|
$this->error =
|
|
array("error" => "SAML not accepted from server",
|
|
"smtp_code" => $code,
|
|
"smtp_msg" => substr($rply,4));
|
|
if($this->do_debug >= 1) {
|
|
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* 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 implimented in the future
|
|
*
|
|
* Implements from rfc 821: TURN <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE FAILURE: 502
|
|
* SMTP CODE ERROR : 500, 503
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Turn() {
|
|
$this->error = array("error" => "This method, TURN, of the SMTP ".
|
|
"is not implemented");
|
|
if($this->do_debug >= 1) {
|
|
echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF . '<br />';
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the current error
|
|
* @access public
|
|
* @return array
|
|
*/
|
|
public function getError() {
|
|
return $this->error;
|
|
}
|
|
|
|
/////////////////////////////////////////////////
|
|
// INTERNAL FUNCTIONS
|
|
/////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Read in as many lines as possible
|
|
* 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 private
|
|
* @return string
|
|
*/
|
|
private function get_lines() {
|
|
$data = "";
|
|
while($str = fgets($this->smtp_conn,515)) {
|
|
if($this->do_debug >= 4) {
|
|
echo "SMTP -> get_lines(): \$data was \"$data\"" . $this->CRLF . '<br />';
|
|
echo "SMTP -> get_lines(): \$str is \"$str\"" . $this->CRLF . '<br />';
|
|
}
|
|
$data .= $str;
|
|
if($this->do_debug >= 4) {
|
|
echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF . '<br />';
|
|
}
|
|
// if 4th character is a space, we are done reading, break the loop
|
|
if(substr($str,3,1) == " ") { break; }
|
|
}
|
|
return $data;
|
|
}
|
|
}
|
|
?>
|