File: D:/HostingSpaces/SBogers18/decoockpit.nl/wwwroot/phpmailer/class.smtp.php
<?php
/*~ class.smtp.php
.---------------------------------------------------------------------------.
| Software: PHPMailer - PHP email class |
| Version: 5.1 |
| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
| Info: http://phpmailer.sourceforge.net |
| Support: http://sourceforge.net/projects/phpmailer/ |
| ------------------------------------------------------------------------- |
| Admin: Andy Prevost (project admininistrator) |
| Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
| : Marcus Bointon (coolbru) coolbru@users.sourceforge.net |
| Founder: Brent R. Matzelle (original founder) |
| Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. |
| Copyright (c) 2001-2003, Brent R. Matzelle |
| ------------------------------------------------------------------------- |
| License: Distributed under the Lesser General Public License (LGPL) |
| http://www.gnu.org/copyleft/lesser.html |
| This program is distributed in the hope that it will be useful - WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. |
| ------------------------------------------------------------------------- |
| We offer a number of paid services (www.codeworxtech.com): |
| - Web Hosting on highly optimized fast and secure servers |
| - Technology Consulting |
| - Oursourcing (highly qualified programmers and graphic designers) |
'---------------------------------------------------------------------------'
*/
/**
* PHPMailer - PHP SMTP email transport class
* NOTE: Designed for use with PHP version 5 and up
* @author Andy Prevost
* @author Marcus Bointon
* @copyright 2004 - 2008 Andy Prevost
* @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
* @version $Id: class.smtp.php 444 2009-05-05 11:22:26Z coolbru $
*/
/**
* SMTP is rfc 821 compliant and implements all the rfc 821 SMTP
* commands except TURN which will always return a not implemented
* error. SMTP also provides some utility methods for sending mail
* to an SMTP server.
* original author: Chris Ryan
*/
class SMTP
{
/**
* SMTP server port
* @var int
*/
public $SMTP_PORT = 25;
/**
* SMTP reply line ending
* @var string
*/
public $CRLF = "\r\n";
/**
* Sets whether debugging is turned on
* @var bool
*/
public $do_debug; // the level of debug to perform
/**
* Sets VERP use on/off (default is off)
* @var bool
*/
public $do_verp = false;
/////////////////////////////////////////////////
// PROPERTIES, PRIVATE AND PROTECTED
/////////////////////////////////////////////////
private $smtp_conn; // the socket to the server
private $error; // error if any on the last call
private $helo_rply; // the reply the server sent to us for HELO
/**
* Initialize the class so that the data is in a known state.
* @return void
*/
public function __construct()
{
$this->smtp_conn = 0;
$this->error = null;
$this->helo_rply = null;
$this->do_debug = 0;
}
/////////////////////////////////////////////////
// CONNECTION FUNCTIONS
/////////////////////////////////////////////////
/**
* Connect to the server specified on the port specified.
* If the port is not specified use the default SMTP_PORT.
* If tval is specified then a connection will try and be
* established with the server for that number of seconds.
* If tval is not specified the default is 30 seconds to
* try on the connection.
*
* SMTP CODE SUCCESS: 220
* SMTP CODE FAILURE: 421
* @return bool
*/
public function Connect($host, $port = 0, $tval = 30)
{
// set the error val to null so there is no confusion
$this->error = null;
// make sure we are __not__ connected
if ($this->connected()) {
// already connected, generate error
$this->error = ['error' => 'Already connected to a server'];
return false;
}
if (empty($port)) {
$port = $this->SMTP_PORT;
}
// connect to the smtp server
$this->smtp_conn = @fsockopen($host, // the host of the server
$port, // the port to use
$errno, // error number if any
$errstr, // error message if any
$tval); // give up after ? secs
// verify we connected properly
if (empty($this->smtp_conn)) {
$this->error = ['error' => 'Failed to connect to server',
'errno' => $errno,
'errstr' => $errstr, ];
if ($this->do_debug >= 1) {
echo 'SMTP -> ERROR: '.$this->error['error'].": $errstr ($errno)".$this->CRLF.'<br />';
}
return false;
}
// SMTP server can take longer to respond, give longer timeout for first read
// Windows does not have support for this timeout function
if (substr(PHP_OS, 0, 3) != 'WIN') {
stream_set_timeout($this->smtp_conn, $tval, 0);
}
// get any announcement
$announce = $this->get_lines();
if ($this->do_debug >= 2) {
echo 'SMTP -> FROM SERVER:'.$announce.$this->CRLF.'<br />';
}
return true;
}
/**
* Initiate a TLS communication with the server.
*
* SMTP CODE 220 Ready to start TLS
* SMTP CODE 501 Syntax error (no parameters allowed)
* SMTP CODE 454 TLS not available due to temporary reason
* @return bool success
*/
public function StartTLS()
{
$this->error = null; // to avoid confusion
if (! $this->connected()) {
$this->error = ['error' => 'Called StartTLS() without being connected'];
return false;
}
fwrite($this->smtp_conn, 'STARTTLS'.$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 != 220) {
$this->error =
['error' => 'STARTTLS 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;
}
// Begin encrypted connection
if (! stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
return false;
}
return true;
}
/**
* Performs SMTP authentication. Must be run after running the
* Hello() method. Returns true if successfully authenticated.
* @return bool
*/
public function Authenticate($username, $password)
{
// Start authentication
fwrite($this->smtp_conn, 'AUTH LOGIN'.$this->CRLF);
$rply = $this->get_lines();
$code = substr($rply, 0, 3);
if ($code != 334) {
$this->error =
['error' => 'AUTH 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;
}
// Send encoded username
fwrite($this->smtp_conn, base64_encode($username).$this->CRLF);
$rply = $this->get_lines();
$code = substr($rply, 0, 3);
if ($code != 334) {
$this->error =
['error' => 'Username 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;
}
// Send encoded password
fwrite($this->smtp_conn, base64_encode($password).$this->CRLF);
$rply = $this->get_lines();
$code = substr($rply, 0, 3);
if ($code != 235) {
$this->error =
['error' => 'Password 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;
}
/**
* Returns true if connected to a server otherwise false
* @return bool
*/
public function Connected()
{
if (! empty($this->smtp_conn)) {
$sock_status = stream_get_meta_data($this->smtp_conn);
if ($sock_status['eof']) {
// the socket is valid but we are not connected
if ($this->do_debug >= 1) {
echo 'SMTP -> NOTICE:'.$this->CRLF.'EOF caught while checking if connected';
}
$this->Close();
return false;
}
return true; // everything looks good
}
return false;
}
/**
* Closes the socket and cleans up the state of the class.
* It is not considered good to use this function without
* first trying to use QUIT.
* @return void
*/
public function Close()
{
$this->error = null; // so there is no confusion
$this->helo_rply = null;
if (! empty($this->smtp_conn)) {
// close the connection and cleanup
fclose($this->smtp_conn);
$this->smtp_conn = 0;
}
}
/////////////////////////////////////////////////
// SMTP COMMANDS
/////////////////////////////////////////////////
/**
* Issues a data command and sends the msg_data to the server
* finializing the mail transaction. $msg_data is the message
* that is to be send with the headers. Each header needs to be
* on a single line followed by a <CRLF> with the message headers
* and the message body being seperated by and additional <CRLF>.
*
* Implements rfc 821: DATA <CRLF>
*
* SMTP CODE INTERMEDIATE: 354
* [data]
* <CRLF>.<CRLF>
* SMTP CODE SUCCESS: 250
* SMTP CODE FAILURE: 552,554,451,452
* SMTP CODE FAILURE: 451,554
* SMTP CODE ERROR : 500,501,503,421
* @return bool
*/
public function Data($msg_data)
{
$this->error = null; // so no confusion is caused
if (! $this->connected()) {
$this->error = [
'error' => 'Called Data() without being connected', ];
return false;
}
fwrite($this->smtp_conn, 'DATA'.$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 != 354) {
$this->error =
['error' => 'DATA command 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;
}
/* the server is ready to accept data!
* according to rfc 821 we should not send more than 1000
* including the CRLF
* characters on a single line so we will break the data up
* into lines by \r and/or \n then if needed we will break
* each of those into smaller lines to fit within the limit.
* in addition we will be looking for lines that start with
* a period '.' and append and additional period '.' to that
* line. NOTE: this does not count towards limit.
*/
// normalize the line breaks so we know the explode works
$msg_data = str_replace("\r\n", "\n", $msg_data);
$msg_data = str_replace("\r", "\n", $msg_data);
$lines = explode("\n", $msg_data);
/* we need to find a good way to determine is headers are
* in the msg_data or if it is a straight msg body
* currently I am assuming rfc 822 definitions of msg headers
* and if the first field of the first line (':' sperated)
* does not contain a space then it _should_ be a header
* and we can process all lines before a blank "" line as
* headers.
*/
$field = substr($lines[0], 0, strpos($lines[0], ':'));
$in_headers = false;
if (! empty($field) && ! strstr($field, ' ')) {
$in_headers = true;
}
$max_line_length = 998; // used below; set here for ease in change
while (list(, $line) = @each($lines)) {
$lines_out = null;
if ($line == '' && $in_headers) {
$in_headers = false;
}
// ok we need to break this line up into several smaller lines
while (strlen($line) > $max_line_length) {
$pos = strrpos(substr($line, 0, $max_line_length), ' ');
// Patch to fix DOS attack
if (! $pos) {
$pos = $max_line_length - 1;
$lines_out[] = substr($line, 0, $pos);
$line = substr($line, $pos);
} else {
$lines_out[] = substr($line, 0, $pos);
$line = substr($line, $pos + 1);
}
/* if processing headers add a LWSP-char to the front of new line
* rfc 822 on long msg headers
*/
if ($in_headers) {
$line = "\t".$line;
}
}
$lines_out[] = $line;
// send the lines to the server
while (list(, $line_out) = @each($lines_out)) {
if (strlen($line_out) > 0) {
if (substr($line_out, 0, 1) == '.') {
$line_out = '.'.$line_out;
}
}
fwrite($this->smtp_conn, $line_out.$this->CRLF);
}
}
// message data has been sent
fwrite($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 =
['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
* @return bool
*/
public function Hello($host = '')
{
$this->error = null; // so no confusion is caused
if (! $this->connected()) {
$this->error = [
'error' => 'Called Hello() without being connected', ];
return false;
}
// if hostname for HELO was not specified send default
if (empty($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', $host)) {
return false;
}
}
return true;
}
/**
* Sends a HELO/EHLO command.
* @return bool
*/
private function SendHello($hello, $host)
{
fwrite($this->smtp_conn, $hello.' '.$host.$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 =
['error' => $hello.' 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;
}
$this->helo_rply = $rply;
return true;
}
/**
* Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command.
*
* Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,421
* @return bool
*/
public function Mail($from)
{
$this->error = null; // so no confusion is caused
if (! $this->connected()) {
$this->error = [
'error' => 'Called Mail() without being connected', ];
return false;
}
$useVerp = ($this->do_verp ? 'XVERP' : '');
fwrite($this->smtp_conn, 'MAIL FROM:<'.$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 =
['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 $close_on_error argument is true.
*
* Implements from rfc 821: QUIT <CRLF>
*
* SMTP CODE SUCCESS: 221
* SMTP CODE ERROR : 500
* @return bool
*/
public function Quit($close_on_error = true)
{
$this->error = null; // so there is no confusion
if (! $this->connected()) {
$this->error = [
'error' => 'Called Quit() without being connected', ];
return false;
}
// send the quit command to the server
fwrite($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 = ['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 $to.
* Returns true if the recipient was accepted false if it was rejected.
*
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
*
* SMTP CODE SUCCESS: 250,251
* SMTP CODE FAILURE: 550,551,552,553,450,451,452
* SMTP CODE ERROR : 500,501,503,421
* @return bool
*/
public function Recipient($to)
{
$this->error = null; // so no confusion is caused
if (! $this->connected()) {
$this->error = [
'error' => 'Called Recipient() without being connected', ];
return false;
}
fwrite($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 =
['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
* @return bool
*/
public function Reset()
{
$this->error = null; // so no confusion is caused
if (! $this->connected()) {
$this->error = [
'error' => 'Called Reset() without being connected', ];
return false;
}
fwrite($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 =
['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
* $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. This command
* will send the message to the users terminal if they are logged
* in and send them an email.
*
* Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,502,421
* @return bool
*/
public function SendAndMail($from)
{
$this->error = null; // so no confusion is caused
if (! $this->connected()) {
$this->error = [
'error' => 'Called SendAndMail() without being connected', ];
return false;
}
fwrite($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 =
['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
* @return bool
*/
public function Turn()
{
$this->error = ['error' => 'This method, TURN, of the SMTP '.
'is not implemented', ];
if ($this->do_debug >= 1) {
echo 'SMTP -> NOTICE: '.$this->error['error'].$this->CRLF.'<br />';
}
return false;
}
/**
* Get the current error
* @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.
* @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;
}
}