<?php
/******************************************************************
* $Id: smtp.php,v 1.9 2003/08/22 20:57:39 allowee Exp $
*
* Copyright (C) 2001-2003 PMS Dev Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* The "GNU General Public License" (GPL) is available at
* http://www.gnu.org/copyleft/gpl.html.
******************************************************************/
class smtp {
/****************************************************************************
* Function: server_parse
* Description: This will get the response from the mail server
* Usage: Only used inside this class. But can be used outside
* this class aswell
****************************************************************************/
function server_parse($socket, $response)
{
while ( substr($server_response,3,1) != ' ' )
{
if( !( $server_response = @fgets($socket, 256) ) )
{
$this->error("Couldn't get mail server response codes");
}
}
if( !( substr($server_response, 0, 3) == $response ) )
{
$this->error("Ran into problems sending Mail. Response: $server_response");
}
}
/****************************************************************************
* Function: smtpmail
* Description: This is a functional replacement for php's builtin mail
* function, that uses smtp.
* Usage: The usage for this function is identical to that of php's
* built in mail function.
****************************************************************************/
function smtpmail($mail_to, $subject, $message, $headers = "")
{
global $smtp;
//
// Fix any bare linefeeds in the message to make it RFC821 Compliant.
//
$message = preg_replace("/(?<!\r)\n/si", "\r\n", $message);
if ($headers != "")
{
if(is_array($headers))
{
if(sizeof($headers) > 1)
{
$headers = join("\r\n", $headers);
}
else
{
$headers = $headers[0];
}
}
$headers = chop($headers);
//
// Make sure there are no bare linefeeds in the headers
//
$headers = preg_replace("/(?<!\r)\n/si", "\r\n", $headers);
//
// Ok this is rather confusing all things considered,
// but we have to grab bcc and cc headers and treat them differently
// Something we really didn't take into consideration originally
//
$header_array = explode("\r\n", $headers);
@reset($header_array);
$headers = "";
while( list(, $header) = each($header_array) )
{
if( preg_match("/^cc:/si", $header) )
{
$cc = preg_replace("/^cc:(.*)/si", "\\1", $header);
}
else if( preg_match("/^bcc:/si", $header ))
{
$bcc = preg_replace("/^bcc:(.*)/si", "\\1", $header);
$header = "";
}
$headers .= $header . "\r\n";
}
$headers = chop($headers);
$cc = explode(",", $cc);
$bcc = explode(",", $bcc);
}
if($mail_to == "")
{
$this->error("No email address specified");
}
if(trim($subject) == "")
{
$this->error("No email Subject specified");
}
if(trim($message) == "")
{
$this->error("Email message was blank");
}
if( trim($smtp['from']) == ""){
$this->error("No FROM address specified");
}
$mail_to_array = explode(",", $mail_to);
//
// Ok we have error checked as much as we can to this point let's get on
// it already.
// But first check the mail server.
//
if(trim($smtp['host']) == "")
{
$smtp['host'] = "localhost";
}
if( !$this->socket = @fsockopen($smtp['host'], 25, $errno, $errstr, 20) )
{
$this->error("Could not connect to smtp host : $errno : $errstr");
$connection_error = true;
}
if( !$connection_error){
$this->server_parse($this->socket, "220");
if( !empty($smtp['username']) && !empty($smtp['password']) )
{
//
// Send the RFC2554 specified EHLO.
// works on both SMTP AND ESMTP capable servers
//
fputs($this->socket, "EHLO " . $smtp['host'] . "\r\n");
$this->server_parse($this->socket, "250");
fputs($this->socket, "AUTH LOGIN\r\n");
$this->server_parse($this->socket, "334");
fputs($this->socket, base64_encode($smtp['username']) . "\r\n");
$this->server_parse($this->socket, "334");
fputs($this->socket, base64_encode($smtp['password']) . "\r\n");
$this->server_parse($this->socket, "235");
}
else
{
// Send the RFC821 specified HELO.
fputs($this->socket, "HELO " . $smtp['host'] . "\r\n");
$this->server_parse($this->socket, "250");
}
// From this point onward most server response codes should be 250
// Specify who the mail is from....
fputs($this->socket, "MAIL FROM: <" . $smtp['from'] . ">\r\n");
$this->server_parse($this->socket, "250");
// Specify each user to send to and build to header.
$to_header = "To: ";
@reset( $mail_to_array );
while( list( , $mail_to_address ) = each( $mail_to_array ))
{
//
// Add an additional bit of error checking to the To field.
//
$mail_to_address = trim($mail_to_address);
if ( preg_match('/[^ ]+\@[^ ]+/', $mail_to_address) )
{
fputs( $this->socket, "RCPT TO: $mail_to_address\r\n" );
$this->server_parse( $this->socket, "250" );
}
$to_header .= ( ( $mail_to_address != '' ) ? ', ' : '' ) . "$mail_to_address";
}
// Ok now do the CC and BCC fields...
@reset( $bcc );
while( list( , $bcc_address ) = each( $bcc ))
{
//
// Add an additional bit of error checking to bcc header...
//
$bcc_address = trim( $bcc_address );
if ( preg_match('/[^ ]+\@[^ ]+/', $bcc_address) )
{
fputs( $this->socket, "RCPT TO: $bcc_address\r\n" );
$this->server_parse( $this->socket, "250" );
}
}
@reset( $cc );
while( list( , $cc_address ) = each( $cc ))
{
//
// Add an additional bit of error checking to cc header
//
$cc_address = trim( $cc_address );
if ( preg_match('/[^ ]+\@[^ ]+/', $cc_address) )
{
fputs($this->socket, "RCPT TO: $cc_address\r\n");
$this->server_parse($this->socket, "250");
}
}
// Ok now we tell the server we are ready to start sending data
fputs($this->socket, "DATA\r\n");
// This is the last response code we look for until the end of the message.
$this->server_parse($this->socket, "354");
// Send the Subject Line...
fputs($this->socket, "Subject: $subject\r\n");
// Send the Date Line...
fputs($this->socket, "Date: ".date('r')."\r\n");
// Now the To Header.
fputs($this->socket, "$to_header\r\n");
// SMTP mail header....
fputs($this->socket, "X-Mailer: SMTP Class\r\n");
// Now any custom headers....
fputs($this->socket, "$headers\r\n\r\n");
// Ok now we are ready for the message...
fputs($this->socket, "$message\r\n");
// Ok the all the ingredients are mixed in let's cook this puppy...
fputs($this->socket, ".\r\n");
if( !$this->server_parse($this->socket, "250")){
fputs($this->socket, "QUIT\r\n");
fclose($this->socket);
return false;
}
// Now tell the server we are done and close the socket...
fputs($this->socket, "QUIT\r\n");
fclose($this->socket);
return TRUE;
}else{
return FALSE;
} // End connection checking
}
/****************************************************************************
* Function: error
* Description: Print error messages user friendly
* Usage: Only used inside this class.
****************************************************************************/
function error($message) {
echo $message."<br /><br />\r\n";
$this->mail_error = 'Yes';
}
}
// End class smtp
?>