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egroupware_official/phpgwapi/inc/class.smtp.php
Klaus Leithoff 5cf2da77fa directing debug to error_log
2008-12-09 14:02:17 +00:00

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<?php
/*~ class.smtp.php
.---------------------------------------------------------------------------.
| Software: PHPMailer - PHP email class |
| Version: 2.1 |
| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
| Info: http://phpmailer.sourceforge.net |
| Support: http://sourceforge.net/projects/phpmailer/ |
| ------------------------------------------------------------------------- |
| Author: Andy Prevost (project admininistrator) |
| Author: Brent R. Matzelle (original founder) |
| Copyright (c) 2004-2007, 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) |
'---------------------------------------------------------------------------'
/**
* 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.
* @package PHPMailer
* @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;
/**#@+
* @access private
*/
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.
* @access public
* @return void
*/
public function __construct() {
$this->smtp_conn = 0;
$this->error = null;
$this->helo_rply = null;
$this->do_debug = 0;
}
/*************************************************************
* CONNECTION FUNCTIONS *
***********************************************************/
/**
* Connect to the server specified on the port specified.
* If the port is not specified use the default SMTP_PORT.
* If tval is specified then a connection will try and be
* established with the server for that number of seconds.
* If tval is not specified the default is 30 seconds to
* try on the connection.
*
* SMTP CODE SUCCESS: 220
* SMTP CODE FAILURE: 421
* @access public
* @return bool
*/
public function Connect($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()) {
/* ok we are connected! what should we do?
* for now we will just give an error saying we
* are already connected
*/
$this->error = array("error" => "Already connected to a server");
return false;
}
if(empty($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 = array("error" => "Failed to connect to server",
"errno" => $errno,
"errstr" => $errstr);
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": $errstr ($errno)" . $this->CRLF);
}
return false;
}
/* sometimes the SMTP server takes a little longer to respond
* so we will give it a longer timeout for the first read
* - Windows still does not have support for this timeout function
*/
if(substr(PHP_OS, 0, 3) != "WIN")
socket_set_timeout($this->smtp_conn, $tval, 0);
/* get any announcement stuff */
$announce = $this->get_lines();
/* set the timeout of any socket functions at 1/10 of a second */
//if(function_exists("socket_set_timeout"))
// socket_set_timeout($this->smtp_conn, 0, 100000);
if($this->do_debug >= 2) {
error_log(__METHOD__."->". "SMTP -> FROM SERVER:" . $this->CRLF . $announce);
}
return true;
}
/**
* Initiate a TSL 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
* @access public
* @return bool success
*/
public function StartTLS() {
$this->error = null; # to avoid confusion
if(!$this->connected()) {
$this->error = array("error" => "Called StartTLS() without being connected");
return false;
}
fputs($this->smtp_conn,"STARTTLS" . $extra . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 220) {
$this->error =
array("error" => "STARTTLS not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF);
}
return false;
}
//Begin encrypted connection
$retval = stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
// if there are not enough data enable crypto may return 0, then we switch to blocking mode for the stream temporarily
if ($retval === 0) {
stream_set_blocking($this->smtp_conn, true);
$retval = stream_socket_enable_crypto($this_smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
stream_set_blocking ($this->smtp_conn, false);
}
return $retval;
}
/**
* Performs SMTP authentication. Must be run after running the
* Hello() method. Returns true if successfully authenticated.
* @access public
* @return bool
*/
public function Authenticate($username, $password) {
// Start authentication
fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($code != 334) {
$this->error =
array("error" => "AUTH not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
// Send encoded username
fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($code != 334) {
$this->error =
array("error" => "Username not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
// Send encoded password
fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($code != 235) {
$this->error =
array("error" => "Password not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
return true;
}
/**
* Returns true if connected to a server otherwise false
* @access public
* @return bool
*/
public function Connected() {
if(!empty($this->smtp_conn)) {
$sock_status = socket_get_status($this->smtp_conn);
if($sock_status["eof"]) {
// hmm this is an odd situation... the socket is
// valid but we are not connected anymore
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "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.
* @access public
* @return void
*/
public function Close() {
$this->error = null; // so there is no confusion
$this->helo_rply = null;
if(!empty($this->smtp_conn)) {
// close the connection and cleanup
fclose($this->smtp_conn);
$this->smtp_conn = 0;
}
}
/***************************************************************
* SMTP COMMANDS *
*************************************************************/
/**
* Issues a data command and sends the msg_data to the server
* finializing the mail transaction. $msg_data is the message
* that is to be send with the headers. Each header needs to be
* on a single line followed by a <CRLF> with the message headers
* and the message body being seperated by and additional <CRLF>.
*
* Implements rfc 821: DATA <CRLF>
*
* SMTP CODE INTERMEDIATE: 354
* [data]
* <CRLF>.<CRLF>
* SMTP CODE SUCCESS: 250
* SMTP CODE FAILURE: 552,554,451,452
* SMTP CODE FAILURE: 451,554
* SMTP CODE ERROR : 500,501,503,421
* @access public
* @return bool
*/
public function Data($msg_data) {
$this->error = null; // so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Data() without being connected");
return false;
}
fputs($this->smtp_conn,"DATA" . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->". "SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 354) {
$this->error =
array("error" => "DATA command not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
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 are 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) && strpos($field," ") === false) {
$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,$pos + 1);
}
/* if we are processing headers we need to
* add a LWSP-char to the front of the new line
* rfc 822 on long msg headers
*/
if($in_headers) {
$line = "\t" . $line;
}
}
$lines_out[] = $line;
// now send the lines to the server
while(list(,$line_out) = @each($lines_out)) {
if(strlen($line_out) > 0)
{
if(substr($line_out, 0, 1) == ".") {
$line_out = "." . $line_out;
}
}
fputs($this->smtp_conn,$line_out . $this->CRLF);
}
}
// ok all the message data has been sent so lets get this
// over with aleady
fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
// get server response
$rply = $this->get_lines();
# if the server is slow try to get an answer within 30 seconds
$timeout_counter = 0;
while(($rply=="") && ($timeout_counter<30))
{
$timeout_counter+=1;
sleep(1);
$rply = $this->get_lines();
}
# still no response to our data -> fail!
if($rply=="")
{
$this->error = array("error" => "timeout from server after data sent.",
"smtp_code" => 0,
"smtp_msg" => "(nothing)");
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->". "SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "DATA not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
return true;
}
/**
* Expand takes the name and asks the server to list all the
* people who are members of the _list_. Expand will return
* back and array of the result or false if an error occurs.
* Each value in the array returned has the format of:
* [ <full-name> <sp> ] <path>
* The definition of <path> is defined in rfc 821
*
* Implements rfc 821: EXPN <SP> <string> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE FAILURE: 550
* SMTP CODE ERROR : 500,501,502,504,421
* @access public
* @return string array
*/
public function Expand($name) {
$this->error = null; // so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Expand() without being connected");
return false;
}
fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "EXPN not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
// parse the reply and place in our array to return to user
$entries = explode($this->CRLF,$rply);
while(list(,$l) = @each($entries)) {
$list[] = substr($l,4);
}
return $list;
}
/**
* Sends the HELO command to the smtp server.
* This makes sure that we and the server are in
* the same known state.
*
* Implements from rfc 821: HELO <SP> <domain> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE ERROR : 500, 501, 504, 421
* @access public
* @return bool
*/
public function Hello($host="") {
$this->error = null; // so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Hello() without being connected");
return false;
}
// if a hostname for the HELO was not specified determine
//a suitable one to send
if(empty($host)) {
// we need to determine some sort of appopiate default
// to send to the server
$host = "localhost";
}
// Send extended hello first (RFC 2821)
if(!$this->SendHello("EHLO", $host))
{
if(!$this->SendHello("HELO", $host))
return false;
}
return true;
}
/**
* Sends a HELO/EHLO command.
* @access private
* @return bool
*/
private function SendHello($hello, $host) {
fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER: " . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => $hello . " not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
$this->helo_rply = $rply;
return true;
}
/**
* Gets help information on the keyword specified. If the keyword
* is not specified then returns generic help, ussually contianing
* A list of keywords that help is available on. This function
* returns the results back to the user. It is up to the user to
* handle the returned data. If an error occurs then false is
* returned with $this->error set appropiately.
*
* Implements rfc 821: HELP [ <SP> <string> ] <CRLF>
*
* SMTP CODE SUCCESS: 211,214
* SMTP CODE ERROR : 500,501,502,504,421
* @access public
* @return string
*/
public function Help($keyword="") {
$this->error = null; // to avoid confusion
if(!$this->connected()) {
$this->error = array(
"error" => "Called Help() without being connected");
return false;
}
$extra = "";
if(!empty($keyword)) {
$extra = " " . $keyword;
}
fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->". "SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 211 && $code != 214) {
$this->error =
array("error" => "HELP not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
return $rply;
}
/**
* 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) {
error_log(__METHOD__."->". "SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "MAIL not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
return true;
}
/**
* Sends the command NOOP to the SMTP server.
*
* Implements from rfc 821: NOOP <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE ERROR : 500, 421
* @access public
* @return bool
*/
public function Noop() {
$this->error = null; // so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Noop() without being connected");
return false;
}
fputs($this->smtp_conn,"NOOP" . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "NOOP not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
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) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $byemsg);
}
$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) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $e["error"] . ": " .
$byemsg . $this->CRLF);
}
}
if(empty($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) {
error_log(__METHOD__."->". "SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($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) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
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) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "RSET failed",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
return true;
}
/**
* Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. This command
* will send the message to the users terminal if they are logged
* in.
*
* Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,502,421
* @access public
* @return bool
*/
public function Send($from) {
$this->error = null; // so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Send() without being connected");
return false;
}
fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "SEND not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->"."SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
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) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "SAML not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
return true;
}
/**
* Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. This command
* will send the message to the users terminal if they are logged
* in or mail it to them if they are not.
*
* Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,502,421
* @access public
* @return bool
*/
public function SendOrMail($from) {
$this->error = null; // so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called SendOrMail() without being connected");
return false;
}
fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250) {
$this->error =
array("error" => "SOML not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
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) {
error_log(__METHOD__."->"."SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF);
}
return false;
}
/**
* Verifies that the name is recognized by the server.
* Returns false if the name could not be verified otherwise
* the response from the server is returned.
*
* Implements rfc 821: VRFY <SP> <string> <CRLF>
*
* SMTP CODE SUCCESS: 250,251
* SMTP CODE FAILURE: 550,551,553
* SMTP CODE ERROR : 500,501,502,421
* @access public
* @return int
*/
public function Verify($name) {
$this->error = null; // so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Verify() without being connected");
return false;
}
fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
error_log(__METHOD__."->"."SMTP -> FROM SERVER:" . $this->CRLF . $rply);
}
if($code != 250 && $code != 251) {
$this->error =
array("error" => "VRFY failed on name '$name'",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
error_log(__METHOD__."->". "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF);
}
return false;
}
return $rply;
}
/*******************************************************************
* 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) {
error_log(__METHOD__."->"."SMTP -> get_lines(): \$data was \"$data\"" .
$this->CRLF);
error_log(__METHOD__."->"."SMTP -> get_lines(): \$str is \"$str\"" .
$this->CRLF);
}
$data .= $str;
if($this->do_debug >= 4) {
error_log(__METHOD__."->". "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF);
}
// if the 4th character is a space then we are done reading
// so just break the loop
if(substr($str,3,1) == " ") { break; }
}
return $data;
}
}
?>
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