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externals/phpmailer/class.smtp.php

<?php <?php
/*~ class.smtp.php /*~ class.smtp.php
.---------------------------------------------------------------------------. .---------------------------------------------------------------------------.
| Software: PHPMailer - PHP email class | | Software: PHPMailer - PHP email class |
| Version: 5.1 | | Version: 5.1 |
| Contact: via sourceforge.net support pages (also www.codeworxtech.com) | | Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
| Info: http://phpmailer.sourceforge.net | | Info: http://phpmailer.sourceforge.net |
| Support: http://sourceforge.net/projects/phpmailer/ | | Support: http://sourceforge.net/projects/phpmailer/ |
| ------------------------------------------------------------------------- | | ------------------------------------------------------------------------- |
| Admin: Andy Prevost (project admininistrator) | | Admin: Andy Prevost (project admininistrator) |
| Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net | | Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
| : Marcus Bointon (coolbru) coolbru@users.sourceforge.net | | : Marcus Bointon (coolbru) coolbru@users.sourceforge.net |
| Founder: Brent R. Matzelle (original founder) | | Founder: Brent R. Matzelle (original founder) |
| Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. | | Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. |
| Copyright (c) 2001-2003, Brent R. Matzelle | | Copyright (c) 2001-2003, Brent R. Matzelle |
| ------------------------------------------------------------------------- | | ------------------------------------------------------------------------- |
| License: Distributed under the Lesser General Public License (LGPL) | | License: Distributed under the Lesser General Public License (LGPL) |
| http://www.gnu.org/copyleft/lesser.html | | http://www.gnu.org/copyleft/lesser.html |
| This program is distributed in the hope that it will be useful - WITHOUT | | This program is distributed in the hope that it will be useful - WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. | | FITNESS FOR A PARTICULAR PURPOSE. |
| ------------------------------------------------------------------------- | | ------------------------------------------------------------------------- |
| We offer a number of paid services (www.codeworxtech.com): | | We offer a number of paid services (www.codeworxtech.com): |
| - Web Hosting on highly optimized fast and secure servers | | - Web Hosting on highly optimized fast and secure servers |
| - Technology Consulting | | - Technology Consulting |
| - Oursourcing (highly qualified programmers and graphic designers) | | - Oursourcing (highly qualified programmers and graphic designers) |
'---------------------------------------------------------------------------' '---------------------------------------------------------------------------'
*/ */
/** /**
* PHPMailer - PHP SMTP email transport class * PHPMailer - PHP SMTP email transport class
* NOTE: Designed for use with PHP version 5 and up * NOTE: Designed for use with PHP version 5 and up
* @package PHPMailer * @package PHPMailer
* @author Andy Prevost * @author Andy Prevost
* @author Marcus Bointon * @author Marcus Bointon
* @copyright 2004 - 2008 Andy Prevost * @copyright 2004 - 2008 Andy Prevost
* @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL) * @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 $ * @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 * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP
* commands except TURN which will always return a not implemented * commands except TURN which will always return a not implemented
* error. SMTP also provides some utility methods for sending mail * error. SMTP also provides some utility methods for sending mail
* to an SMTP server. * to an SMTP server.
* original author: Chris Ryan * original author: Chris Ryan
*/ */
class SMTP { class SMTP {
/** /**
* SMTP server port * SMTP server port
* @var int * @var int
*/ */
public $SMTP_PORT = 25; public $SMTP_PORT = 25;
/** /**
* SMTP reply line ending * SMTP reply line ending
* @var string * @var string
*/ */
public $CRLF = "\r\n"; public $CRLF = "\r\n";
/** /**
* Sets whether debugging is turned on * Sets whether debugging is turned on
* @var bool * @var bool
*/ */
public $do_debug; // the level of debug to perform public $do_debug; // the level of debug to perform
/** /**
* Sets VERP use on/off (default is off) * Sets VERP use on/off (default is off)
* @var bool * @var bool
*/ */
public $do_verp = false; public $do_verp = false;
///////////////////////////////////////////////// /////////////////////////////////////////////////
// PROPERTIES, PRIVATE AND PROTECTED // PROPERTIES, PRIVATE AND PROTECTED
///////////////////////////////////////////////// /////////////////////////////////////////////////
private $smtp_conn; // the socket to the server private $smtp_conn; // the socket to the server
private $error; // error if any on the last call private $error; // error if any on the last call
private $helo_rply; // the reply the server sent to us for HELO private $helo_rply; // the reply the server sent to us for HELO
/** /**
* Initialize the class so that the data is in a known state. * Initialize the class so that the data is in a known state.
* @access public * @access public
* @return void * @return void
*/ */
public function __construct() { public function __construct() {
$this->smtp_conn = 0; $this->smtp_conn = 0;
$this->error = null; $this->error = null;
$this->helo_rply = null; $this->helo_rply = null;
$this->do_debug = 0; $this->do_debug = 0;
} }
///////////////////////////////////////////////// /////////////////////////////////////////////////
// CONNECTION FUNCTIONS // CONNECTION FUNCTIONS
///////////////////////////////////////////////// /////////////////////////////////////////////////
/** /**
* Connect to the server specified on the port specified. * Connect to the server specified on the port specified.
* If the port is not specified use the default SMTP_PORT. * If the port is not specified use the default SMTP_PORT.
* If tval is specified then a connection will try and be * If tval is specified then a connection will try and be
* established with the server for that number of seconds. * established with the server for that number of seconds.
* If tval is not specified the default is 30 seconds to * If tval is not specified the default is 30 seconds to
* try on the connection. * try on the connection.
* *
* SMTP CODE SUCCESS: 220 * SMTP CODE SUCCESS: 220
* SMTP CODE FAILURE: 421 * SMTP CODE FAILURE: 421
* @access public * @access public
* @return bool * @return bool
*/ */
public function Connect($host, $port = 0, $tval = 30) { public function Connect($host, $port = 0, $tval = 30) {
// set the error val to null so there is no confusion // set the error val to null so there is no confusion
$this->error = null; $this->error = null;
// make sure we are __not__ connected // make sure we are __not__ connected
if($this->connected()) { if($this->connected()) {
// already connected, generate error // already connected, generate error
$this->error = array("error" => "Already connected to a server"); $this->error = array("error" => "Already connected to a server");
return false; return false;
} }
if(empty($port)) { if(empty($port)) {
$port = $this->SMTP_PORT; $port = $this->SMTP_PORT;
} }
// connect to the smtp server // connect to the smtp server
$this->smtp_conn = @fsockopen($host, // the host of the server $this->smtp_conn = @fsockopen($host, // the host of the server
$port, // the port to use $port, // the port to use
$errno, // error number if any $errno, // error number if any
$errstr, // error message if any $errstr, // error message if any
$tval); // give up after ? secs $tval); // give up after ? secs
// verify we connected properly // verify we connected properly
if(empty($this->smtp_conn)) { if(empty($this->smtp_conn)) {
$this->error = array("error" => "Failed to connect to server", $this->error = array("error" => "Failed to connect to server",
"errno" => $errno, "errno" => $errno,
"errstr" => $errstr); "errstr" => $errstr);
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": $errstr ($errno)" . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": $errstr ($errno)" . $this->CRLF . '<br />';
} }
return false; return false;
} }
// SMTP server can take longer to respond, give longer timeout for first read // SMTP server can take longer to respond, give longer timeout for first read
// Windows does not have support for this timeout function // Windows does not have support for this timeout function
if(substr(PHP_OS, 0, 3) != "WIN") if(substr(PHP_OS, 0, 3) != "WIN")
socket_set_timeout($this->smtp_conn, $tval, 0); socket_set_timeout($this->smtp_conn, $tval, 0);
// get any announcement // get any announcement
$announce = $this->get_lines(); $announce = $this->get_lines();
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $announce . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $announce . $this->CRLF . '<br />';
} }
return true; return true;
} }
/** /**
* Initiate a TLS communication with the server. * Initiate a TLS communication with the server.
* *
* SMTP CODE 220 Ready to start TLS * SMTP CODE 220 Ready to start TLS
* SMTP CODE 501 Syntax error (no parameters allowed) * SMTP CODE 501 Syntax error (no parameters allowed)
* SMTP CODE 454 TLS not available due to temporary reason * SMTP CODE 454 TLS not available due to temporary reason
* @access public * @access public
* @return bool success * @return bool success
*/ */
public function StartTLS() { public function StartTLS() {
$this->error = null; # to avoid confusion $this->error = null; # to avoid confusion
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array("error" => "Called StartTLS() without being connected"); $this->error = array("error" => "Called StartTLS() without being connected");
return false; return false;
} }
fputs($this->smtp_conn,"STARTTLS" . $this->CRLF); fputs($this->smtp_conn,"STARTTLS" . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
} }
if($code != 220) { if($code != 220) {
$this->error = $this->error =
array("error" => "STARTTLS not accepted from server", array("error" => "STARTTLS not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
// Begin encrypted connection // Begin encrypted connection
if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
return false; return false;
} }
return true; return true;
} }
/** /**
* Performs SMTP authentication. Must be run after running the * Performs SMTP authentication. Must be run after running the
* Hello() method. Returns true if successfully authenticated. * Hello() method. Returns true if successfully authenticated.
* @access public * @access public
* @return bool * @return bool
*/ */
public function Authenticate($username, $password) { public function Authenticate($username, $password) {
// Start authentication // Start authentication
fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF); fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($code != 334) { if($code != 334) {
$this->error = $this->error =
array("error" => "AUTH not accepted from server", array("error" => "AUTH not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
// Send encoded username // Send encoded username
fputs($this->smtp_conn, base64_encode($username) . $this->CRLF); fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($code != 334) { if($code != 334) {
$this->error = $this->error =
array("error" => "Username not accepted from server", array("error" => "Username not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
// Send encoded password // Send encoded password
fputs($this->smtp_conn, base64_encode($password) . $this->CRLF); fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($code != 235) { if($code != 235) {
$this->error = $this->error =
array("error" => "Password not accepted from server", array("error" => "Password not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
return true; return true;
} }
/** /**
* Returns true if connected to a server otherwise false * Returns true if connected to a server otherwise false
* @access public * @access public
* @return bool * @return bool
*/ */
public function Connected() { public function Connected() {
if(!empty($this->smtp_conn)) { if(!empty($this->smtp_conn)) {
$sock_status = socket_get_status($this->smtp_conn); $sock_status = socket_get_status($this->smtp_conn);
if($sock_status["eof"]) { if($sock_status["eof"]) {
// the socket is valid but we are not connected // the socket is valid but we are not connected
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> NOTICE:" . $this->CRLF . "EOF caught while checking if connected"; echo "SMTP -> NOTICE:" . $this->CRLF . "EOF caught while checking if connected";
} }
$this->Close(); $this->Close();
return false; return false;
} }
return true; // everything looks good return true; // everything looks good
} }
return false; return false;
} }
/** /**
* Closes the socket and cleans up the state of the class. * Closes the socket and cleans up the state of the class.
* It is not considered good to use this function without * It is not considered good to use this function without
* first trying to use QUIT. * first trying to use QUIT.
* @access public * @access public
* @return void * @return void
*/ */
public function Close() { public function Close() {
$this->error = null; // so there is no confusion $this->error = null; // so there is no confusion
$this->helo_rply = null; $this->helo_rply = null;
if(!empty($this->smtp_conn)) { if(!empty($this->smtp_conn)) {
// close the connection and cleanup // close the connection and cleanup
fclose($this->smtp_conn); fclose($this->smtp_conn);
$this->smtp_conn = 0; $this->smtp_conn = 0;
} }
} }
///////////////////////////////////////////////// /////////////////////////////////////////////////
// SMTP COMMANDS // SMTP COMMANDS
///////////////////////////////////////////////// /////////////////////////////////////////////////
/** /**
* Issues a data command and sends the msg_data to the server * Issues a data command and sends the msg_data to the server
* finializing the mail transaction. $msg_data is the message * finializing the mail transaction. $msg_data is the message
* that is to be send with the headers. Each header needs to be * that is to be send with the headers. Each header needs to be
* on a single line followed by a <CRLF> with the message headers * on a single line followed by a <CRLF> with the message headers
* and the message body being seperated by and additional <CRLF>. * and the message body being seperated by and additional <CRLF>.
* *
* Implements rfc 821: DATA <CRLF> * Implements rfc 821: DATA <CRLF>
* *
* SMTP CODE INTERMEDIATE: 354 * SMTP CODE INTERMEDIATE: 354
* [data] * [data]
* <CRLF>.<CRLF> * <CRLF>.<CRLF>
* SMTP CODE SUCCESS: 250 * SMTP CODE SUCCESS: 250
* SMTP CODE FAILURE: 552,554,451,452 * SMTP CODE FAILURE: 552,554,451,452
* SMTP CODE FAILURE: 451,554 * SMTP CODE FAILURE: 451,554
* SMTP CODE ERROR : 500,501,503,421 * SMTP CODE ERROR : 500,501,503,421
* @access public * @access public
* @return bool * @return bool
*/ */
public function Data($msg_data) { public function Data($msg_data) {
$this->error = null; // so no confusion is caused $this->error = null; // so no confusion is caused
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array( $this->error = array(
"error" => "Called Data() without being connected"); "error" => "Called Data() without being connected");
return false; return false;
} }
fputs($this->smtp_conn,"DATA" . $this->CRLF); fputs($this->smtp_conn,"DATA" . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
} }
if($code != 354) { if($code != 354) {
$this->error = $this->error =
array("error" => "DATA command not accepted from server", array("error" => "DATA command not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
/* the server is ready to accept data! /* the server is ready to accept data!
* according to rfc 821 we should not send more than 1000 * according to rfc 821 we should not send more than 1000
* including the CRLF * including the CRLF
* characters on a single line so we will break the data up * 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 * into lines by \r and/or \n then if needed we will break
* each of those into smaller lines to fit within the limit. * each of those into smaller lines to fit within the limit.
* in addition we will be looking for lines that start with * in addition we will be looking for lines that start with
* a period '.' and append and additional period '.' to that * a period '.' and append and additional period '.' to that
* line. NOTE: this does not count towards limit. * line. NOTE: this does not count towards limit.
*/ */
// normalize the line breaks so we know the explode works // normalize the line breaks so we know the explode works
$msg_data = str_replace("\r\n","\n",$msg_data); $msg_data = str_replace("\r\n","\n",$msg_data);
$msg_data = str_replace("\r","\n",$msg_data); $msg_data = str_replace("\r","\n",$msg_data);
$lines = explode("\n",$msg_data); $lines = explode("\n",$msg_data);
/* we need to find a good way to determine is headers are /* we need to find a good way to determine is headers are
* in the msg_data or if it is a straight msg body * in the msg_data or if it is a straight msg body
* currently I am assuming rfc 822 definitions of msg headers * currently I am assuming rfc 822 definitions of msg headers
* and if the first field of the first line (':' sperated) * and if the first field of the first line (':' sperated)
* does not contain a space then it _should_ be a header * does not contain a space then it _should_ be a header
* and we can process all lines before a blank "" line as * and we can process all lines before a blank "" line as
* headers. * headers.
*/ */
$field = substr($lines[0],0,strpos($lines[0],":")); $field = substr($lines[0],0,strpos($lines[0],":"));
$in_headers = false; $in_headers = false;
if(!empty($field) && !strstr($field," ")) { if(!empty($field) && !strstr($field," ")) {
$in_headers = true; $in_headers = true;
} }
$max_line_length = 998; // used below; set here for ease in change $max_line_length = 998; // used below; set here for ease in change
while(list(,$line) = @each($lines)) { foreach($lines as $line) {
$lines_out = null; $lines_out = null;
if($line == "" && $in_headers) { if($line == "" && $in_headers) {
$in_headers = false; $in_headers = false;
} }
// ok we need to break this line up into several smaller lines // ok we need to break this line up into several smaller lines
while(strlen($line) > $max_line_length) { while(strlen($line) > $max_line_length) {
$pos = strrpos(substr($line,0,$max_line_length)," "); $pos = strrpos(substr($line,0,$max_line_length)," ");
// Patch to fix DOS attack // Patch to fix DOS attack
if(!$pos) { if(!$pos) {
$pos = $max_line_length - 1; $pos = $max_line_length - 1;
$lines_out[] = substr($line,0,$pos); $lines_out[] = substr($line,0,$pos);
$line = substr($line,$pos); $line = substr($line,$pos);
} else { } else {
$lines_out[] = substr($line,0,$pos); $lines_out[] = substr($line,0,$pos);
$line = substr($line,$pos + 1); $line = substr($line,$pos + 1);
} }
/* if processing headers add a LWSP-char to the front of new line /* if processing headers add a LWSP-char to the front of new line
* rfc 822 on long msg headers * rfc 822 on long msg headers
*/ */
if($in_headers) { if($in_headers) {
$line = "\t" . $line; $line = "\t" . $line;
} }
} }
$lines_out[] = $line; $lines_out[] = $line;
// send the lines to the server // send the lines to the server
while(list(,$line_out) = @each($lines_out)) { foreach($lines_out as $line_out) {
if(strlen($line_out) > 0) if(strlen($line_out) > 0)
{ {
if(substr($line_out, 0, 1) == ".") { if(substr($line_out, 0, 1) == ".") {
$line_out = "." . $line_out; $line_out = "." . $line_out;
} }
} }
fputs($this->smtp_conn,$line_out . $this->CRLF); fputs($this->smtp_conn,$line_out . $this->CRLF);
} }
} }
// message data has been sent // message data has been sent
fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF); fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
} }
if($code != 250) { if($code != 250) {
$this->error = $this->error =
array("error" => "DATA not accepted from server", array("error" => "DATA not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
return true; return true;
} }
/** /**
* Sends the HELO command to the smtp server. * Sends the HELO command to the smtp server.
* This makes sure that we and the server are in * This makes sure that we and the server are in
* the same known state. * the same known state.
* *
* Implements from rfc 821: HELO <SP> <domain> <CRLF> * Implements from rfc 821: HELO <SP> <domain> <CRLF>
* *
* SMTP CODE SUCCESS: 250 * SMTP CODE SUCCESS: 250
* SMTP CODE ERROR : 500, 501, 504, 421 * SMTP CODE ERROR : 500, 501, 504, 421
* @access public * @access public
* @return bool * @return bool
*/ */
public function Hello($host = '') { public function Hello($host = '') {
$this->error = null; // so no confusion is caused $this->error = null; // so no confusion is caused
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array( $this->error = array(
"error" => "Called Hello() without being connected"); "error" => "Called Hello() without being connected");
return false; return false;
} }
// if hostname for HELO was not specified send default // if hostname for HELO was not specified send default
if(empty($host)) { if(empty($host)) {
// determine appropriate default to send to server // determine appropriate default to send to server
$host = "localhost"; $host = "localhost";
} }
// Send extended hello first (RFC 2821) // Send extended hello first (RFC 2821)
if(!$this->SendHello("EHLO", $host)) { if(!$this->SendHello("EHLO", $host)) {
if(!$this->SendHello("HELO", $host)) { if(!$this->SendHello("HELO", $host)) {
return false; return false;
} }
} }
return true; return true;
} }
/** /**
* Sends a HELO/EHLO command. * Sends a HELO/EHLO command.
* @access private * @access private
* @return bool * @return bool
*/ */
private function SendHello($hello, $host) { private function SendHello($hello, $host) {
fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF); fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER: " . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER: " . $rply . $this->CRLF . '<br />';
} }
if($code != 250) { if($code != 250) {
$this->error = $this->error =
array("error" => $hello . " not accepted from server", array("error" => $hello . " not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
$this->helo_rply = $rply; $this->helo_rply = $rply;
return true; return true;
} }
/** /**
* Starts a mail transaction from the email address specified in * Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True * $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient * the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. * commands may be called followed by a Data command.
* *
* Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF> * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
* *
* SMTP CODE SUCCESS: 250 * SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452 * SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,421 * SMTP CODE SUCCESS: 500,501,421
* @access public * @access public
* @return bool * @return bool
*/ */
public function Mail($from) { public function Mail($from) {
$this->error = null; // so no confusion is caused $this->error = null; // so no confusion is caused
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array( $this->error = array(
"error" => "Called Mail() without being connected"); "error" => "Called Mail() without being connected");
return false; return false;
} }
$useVerp = ($this->do_verp ? "XVERP" : ""); $useVerp = ($this->do_verp ? "XVERP" : "");
fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF); fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
} }
if($code != 250) { if($code != 250) {
$this->error = $this->error =
array("error" => "MAIL not accepted from server", array("error" => "MAIL not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
return true; return true;
} }
/** /**
* Sends the quit command to the server and then closes the socket * 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. * if there is no error or the $close_on_error argument is true.
* *
* Implements from rfc 821: QUIT <CRLF> * Implements from rfc 821: QUIT <CRLF>
* *
* SMTP CODE SUCCESS: 221 * SMTP CODE SUCCESS: 221
* SMTP CODE ERROR : 500 * SMTP CODE ERROR : 500
* @access public * @access public
* @return bool * @return bool
*/ */
public function Quit($close_on_error = true) { public function Quit($close_on_error = true) {
$this->error = null; // so there is no confusion $this->error = null; // so there is no confusion
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array( $this->error = array(
"error" => "Called Quit() without being connected"); "error" => "Called Quit() without being connected");
return false; return false;
} }
// send the quit command to the server // send the quit command to the server
fputs($this->smtp_conn,"quit" . $this->CRLF); fputs($this->smtp_conn,"quit" . $this->CRLF);
// get any good-bye messages // get any good-bye messages
$byemsg = $this->get_lines(); $byemsg = $this->get_lines();
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $byemsg . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $byemsg . $this->CRLF . '<br />';
} }
$rval = true; $rval = true;
$e = null; $e = null;
$code = substr($byemsg,0,3); $code = substr($byemsg,0,3);
if($code != 221) { if($code != 221) {
// use e as a tmp var cause Close will overwrite $this->error // use e as a tmp var cause Close will overwrite $this->error
$e = array("error" => "SMTP server rejected quit command", $e = array("error" => "SMTP server rejected quit command",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_rply" => substr($byemsg,4)); "smtp_rply" => substr($byemsg,4));
$rval = false; $rval = false;
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $e["error"] . ": " . $byemsg . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $e["error"] . ": " . $byemsg . $this->CRLF . '<br />';
} }
} }
if(empty($e) || $close_on_error) { if(empty($e) || $close_on_error) {
$this->Close(); $this->Close();
} }
return $rval; return $rval;
} }
/** /**
* Sends the command RCPT to the SMTP server with the TO: argument of $to. * Sends the command RCPT to the SMTP server with the TO: argument of $to.
* Returns true if the recipient was accepted false if it was rejected. * Returns true if the recipient was accepted false if it was rejected.
* *
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF> * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
* *
* SMTP CODE SUCCESS: 250,251 * SMTP CODE SUCCESS: 250,251
* SMTP CODE FAILURE: 550,551,552,553,450,451,452 * SMTP CODE FAILURE: 550,551,552,553,450,451,452
* SMTP CODE ERROR : 500,501,503,421 * SMTP CODE ERROR : 500,501,503,421
* @access public * @access public
* @return bool * @return bool
*/ */
public function Recipient($to) { public function Recipient($to) {
$this->error = null; // so no confusion is caused $this->error = null; // so no confusion is caused
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array( $this->error = array(
"error" => "Called Recipient() without being connected"); "error" => "Called Recipient() without being connected");
return false; return false;
} }
fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF); fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
} }
if($code != 250 && $code != 251) { if($code != 250 && $code != 251) {
$this->error = $this->error =
array("error" => "RCPT not accepted from server", array("error" => "RCPT not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
return true; return true;
} }
/** /**
* Sends the RSET command to abort and transaction that is * Sends the RSET command to abort and transaction that is
* currently in progress. Returns true if successful false * currently in progress. Returns true if successful false
* otherwise. * otherwise.
* *
* Implements rfc 821: RSET <CRLF> * Implements rfc 821: RSET <CRLF>
* *
* SMTP CODE SUCCESS: 250 * SMTP CODE SUCCESS: 250
* SMTP CODE ERROR : 500,501,504,421 * SMTP CODE ERROR : 500,501,504,421
* @access public * @access public
* @return bool * @return bool
*/ */
public function Reset() { public function Reset() {
$this->error = null; // so no confusion is caused $this->error = null; // so no confusion is caused
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array( $this->error = array(
"error" => "Called Reset() without being connected"); "error" => "Called Reset() without being connected");
return false; return false;
} }
fputs($this->smtp_conn,"RSET" . $this->CRLF); fputs($this->smtp_conn,"RSET" . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
} }
if($code != 250) { if($code != 250) {
$this->error = $this->error =
array("error" => "RSET failed", array("error" => "RSET failed",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
return true; return true;
} }
/** /**
* Starts a mail transaction from the email address specified in * Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True * $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient * the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. This command * commands may be called followed by a Data command. This command
* will send the message to the users terminal if they are logged * will send the message to the users terminal if they are logged
* in and send them an email. * in and send them an email.
* *
* Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF> * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
* *
* SMTP CODE SUCCESS: 250 * SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452 * SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,502,421 * SMTP CODE SUCCESS: 500,501,502,421
* @access public * @access public
* @return bool * @return bool
*/ */
public function SendAndMail($from) { public function SendAndMail($from) {
$this->error = null; // so no confusion is caused $this->error = null; // so no confusion is caused
if(!$this->connected()) { if(!$this->connected()) {
$this->error = array( $this->error = array(
"error" => "Called SendAndMail() without being connected"); "error" => "Called SendAndMail() without being connected");
return false; return false;
} }
fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF); fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
$rply = $this->get_lines(); $rply = $this->get_lines();
$code = substr($rply,0,3); $code = substr($rply,0,3);
if($this->do_debug >= 2) { if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />';
} }
if($code != 250) { if($code != 250) {
$this->error = $this->error =
array("error" => "SAML not accepted from server", array("error" => "SAML not accepted from server",
"smtp_code" => $code, "smtp_code" => $code,
"smtp_msg" => substr($rply,4)); "smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />';
} }
return false; return false;
} }
return true; return true;
} }
/** /**
* This is an optional command for SMTP that this class does not * This is an optional command for SMTP that this class does not
* support. This method is here to make the RFC821 Definition * support. This method is here to make the RFC821 Definition
* complete for this class and __may__ be implimented in the future * complete for this class and __may__ be implimented in the future
* *
* Implements from rfc 821: TURN <CRLF> * Implements from rfc 821: TURN <CRLF>
* *
* SMTP CODE SUCCESS: 250 * SMTP CODE SUCCESS: 250
* SMTP CODE FAILURE: 502 * SMTP CODE FAILURE: 502
* SMTP CODE ERROR : 500, 503 * SMTP CODE ERROR : 500, 503
* @access public * @access public
* @return bool * @return bool
*/ */
public function Turn() { public function Turn() {
$this->error = array("error" => "This method, TURN, of the SMTP ". $this->error = array("error" => "This method, TURN, of the SMTP ".
"is not implemented"); "is not implemented");
if($this->do_debug >= 1) { if($this->do_debug >= 1) {
echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF . '<br />'; echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF . '<br />';
} }
return false; return false;
} }
/** /**
* Get the current error * Get the current error
* @access public * @access public
* @return array * @return array
*/ */
public function getError() { public function getError() {
return $this->error; return $this->error;
} }
///////////////////////////////////////////////// /////////////////////////////////////////////////
// INTERNAL FUNCTIONS // INTERNAL FUNCTIONS
///////////////////////////////////////////////// /////////////////////////////////////////////////
/** /**
* Read in as many lines as possible * Read in as many lines as possible
* either before eof or socket timeout occurs on the operation. * either before eof or socket timeout occurs on the operation.
* With SMTP we can tell if we have more lines to read if the * 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 * 4th character is '-' symbol. If it is a space then we don't
* need to read anything else. * need to read anything else.
* @access private * @access private
* @return string * @return string
*/ */
private function get_lines() { private function get_lines() {
$data = ""; $data = "";
while($str = @fgets($this->smtp_conn,515)) { while($str = @fgets($this->smtp_conn,515)) {
if($this->do_debug >= 4) { if($this->do_debug >= 4) {
echo "SMTP -> get_lines(): \$data was \"$data\"" . $this->CRLF . '<br />'; echo "SMTP -> get_lines(): \$data was \"$data\"" . $this->CRLF . '<br />';
echo "SMTP -> get_lines(): \$str is \"$str\"" . $this->CRLF . '<br />'; echo "SMTP -> get_lines(): \$str is \"$str\"" . $this->CRLF . '<br />';
} }
$data .= $str; $data .= $str;
if($this->do_debug >= 4) { if($this->do_debug >= 4) {
echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF . '<br />'; echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF . '<br />';
} }
// if 4th character is a space, we are done reading, break the loop // if 4th character is a space, we are done reading, break the loop
if(substr($str,3,1) == " ") { break; } if(substr($str,3,1) == " ") { break; }
} }
return $data; return $data;
} }
} }
?> ?>
No newline at end of file No newline at end of file
Content licensed under Creative Commons Attribution-ShareAlike 4.0 (CC-BY-SA) unless otherwise noted; code licensed under Apache 2.0 or other open source licenses. · CC BY-SA 4.0 · Apache 2.0