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php-phpbb/phpBB/includes/emailer.php
Paul S. Owen 72db8c4a5e Combine emailer and smtp
git-svn-id: file:///svn/phpbb/trunk@2663 89ea8834-ac86-4346-8a33-228a782c2dd0
2002-07-14 14:34:16 +00:00

504 lines
13 KiB
PHP
Executable File

<?php
/***************************************************************************
emailer.php
-------------------
begin : Sunday Aug. 12, 2001
copyright : (C) 2001 The phpBB Group
email : support@phpbb.com
$Id$
***************************************************************************/
/***************************************************************************
*
* 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.
*
***************************************************************************/
//
// The emailer class has support for attaching files, that isn't implemented
// in the 2.0 release but we can probable find some way of using it in a future
// release
//
class emailer
{
var $tpl_file;
var $use_smtp;
var $msg;
var $mimeOut;
var $arrPlaceHolders = array(); // an associative array that has the key = placeHolderName and val = placeHolderValue.
var $subject, $extra_headers, $address;
function emailer($use_smtp)
{
$this->use_smtp = $use_smtp;
$this->tpl_file = NULL;
$this->address = NULL;
$this->msg = '';
$this->mimeOut = '';
}
//
// Resets all the data (address, template file, etc etc to default
//
function reset()
{
$this->tpl_file = '';
$this->address = '';
$this->msg = '';
$this->memOut = '';
$this->vars = '';
}
//
// Sets an email address to send to
//
function email_address($address)
{
$this->address = '';
$this->address .= $address;
}
//
// set up subject for mail
//
function set_subject($subject = '')
{
$this->subject = $subject;
}
//
// set up extra mail headers
//
function extra_headers($headers)
{
$this->extra_headers = $headers;
}
function use_template($template_file, $template_lang = '')
{
global $board_config, $phpbb_root_path;
if ( $template_lang == '' )
{
$template_lang = $board_config['default_lang'];
}
$this->tpl_file = $phpbb_root_path . 'language/lang_' . $template_lang . '/email/' . $template_file . '.tpl';
if ( !file_exists($this->tpl_file) )
{
message_die(ERROR, 'Could not find email template file ' . $template_file);
}
if ( !$this->load_msg() )
{
message_die(ERROR, 'Could not load email template file ' . $template_file);
}
return true;
}
//
// Open the template file and read in the message
//
function load_msg()
{
if ( $this->tpl_file == NULL )
{
message_die(ERROR, 'No template file set');
}
if ( !($fd = fopen($this->tpl_file, 'r')) )
{
message_die(ERROR, 'Failed opening template file');
}
$this->msg .= fread($fd, filesize($this->tpl_file));
fclose($fd);
return true;
}
function assign_vars($vars)
{
$this->vars = ( empty($this->vars) ) ? $vars : $this->vars . $vars;
}
function parse_email()
{
@reset($this->vars);
while (list($key, $val) = @each($this->vars))
{
$$key = $val;
}
// Escape all quotes, else the eval will fail.
$this->msg = str_replace ("'", "\'", $this->msg);
$this->msg = preg_replace('#\{([a-z0-9\-_]*?)\}#is', "' . $\\1 . '", $this->msg);
eval("\$this->msg = '$this->msg';");
//
// We now try and pull a subject from the email body ... if it exists,
// do this here because the subject may contain a variable
//
$match = array();
preg_match("/^(Subject:(.*?)[\r\n]+?)?(Charset:(.*?)[\r\n]+?)?(.*?)$/is", $this->msg, $match);
$this->msg = ( isset($match[5]) ) ? trim($match[5]) : '';
$this->subject = ( $this->subject != '' ) ? $this->subject : trim($match[2]);
$this->encoding = ( trim($match[4]) != '' ) ? trim($match[4]) : 'iso-8859-1';
return true;
}
//
// Send the mail out to the recipients set previously in var $this->address
//
function send()
{
global $phpEx, $phpbb_root_path;
if ( $this->address == NULL )
{
message_die(ERROR, 'No email address set');
}
if ( !$this->parse_email() )
{
return false;
}
//
// Add date and encoding type
//
$universal_extra = "MIME-Version: 1.0\nContent-type: text/plain; charset=" . $this->encoding . "\nContent-transfer-encoding: 8bit\nDate: " . gmdate('D, d M Y H:i:s', time()) . " UT\n";
$this->extra_headers = $universal_extra . $this->extra_headers;
$result = ( $this->use_smtp ) ? smtpmail($this->address, $this->subject, $this->msg, $this->extra_headers) : @mail($this->address, $this->subject, $this->msg, $this->extra_headers);
if ( !$result )
{
message_die(ERROR, 'Failed sending email');
}
return true;
}
//
// Attach files via MIME.
//
function attachFile($filename, $mimetype = "application/octet-stream", $szFromAddress, $szFilenameToDisplay)
{
$mime_boundary = "--==================_846811060==_";
$this->mailMsg = '--' . $mime_boundary . "\nContent-Type: text/plain;\n\tcharset=\"iso-8859-1\"\n\n" . $this->mailMsg;
if ($mime_filename)
{
$filename = $mime_filename;
$encoded = $this->encode_file($filename);
}
$fd = fopen($filename, "r");
$contents = fread($fd, filesize($filename));
$this->mimeOut = "--" . $mime_boundary . "\n";
$this->mimeOut .= "Content-Type: " . $mimetype . ";\n\tname=\"$szFilenameToDisplay\"\n";
$this->mimeOut .= "Content-Transfer-Encoding: quoted-printable\n";
$this->mimeOut .= "Content-Disposition: attachment;\n\tfilename=\"$szFilenameToDisplay\"\n\n";
if ( $mimetype == "message/rfc822" )
{
$this->mimeOut .= "From: ".$szFromAddress."\n";
$this->mimeOut .= "To: ".$this->emailAddress."\n";
$this->mimeOut .= "Date: ".date("D, d M Y H:i:s") . " UT\n";
$this->mimeOut .= "Reply-To:".$szFromAddress."\n";
$this->mimeOut .= "Subject: ".$this->mailSubject."\n";
$this->mimeOut .= "X-Mailer: PHP/".phpversion()."\n";
$this->mimeOut .= "MIME-Version: 1.0\n";
}
$this->mimeOut .= $contents."\n";
$this->mimeOut .= "--" . $mime_boundary . "--" . "\n";
return $out;
// added -- to notify email client attachment is done
}
function getMimeHeaders($filename, $mime_filename="")
{
$mime_boundary = "--==================_846811060==_";
if ($mime_filename)
{
$filename = $mime_filename;
}
$out = "MIME-Version: 1.0\n";
$out .= "Content-Type: multipart/mixed;\n\tboundary=\"$mime_boundary\"\n\n";
$out .= "This message is in MIME format. Since your mail reader does not understand\n";
$out .= "this format, some or all of this message may not be legible.";
return $out;
}
//
// Split string by RFC 2045 semantics (76 chars per line, end with \r\n).
//
function myChunkSplit($str)
{
$stmp = $str;
$len = strlen($stmp);
$out = "";
while ($len > 0)
{
if ($len >= 76)
{
$out .= substr($stmp, 0, 76) . "\r\n";
$stmp = substr($stmp, 76);
$len = $len - 76;
}
else
{
$out .= $stmp . "\r\n";
$stmp = "";
$len = 0;
}
}
return $out;
}
//
// Split the specified file up into a string and return it
//
function encode_file($sourcefile)
{
if (is_readable($sourcefile))
{
$fd = fopen($sourcefile, "r");
$contents = fread($fd, filesize($sourcefile));
$encoded = $this->myChunkSplit(base64_encode($contents));
fclose($fd);
}
return $encoded;
}
} // class emailer
//
// This function has been modified as provided
// by SirSir to allow multiline responses when
// using SMTP Extensions
//
function server_parse($socket, $response)
{
while ( substr($server_response,3,1) != ' ' )
{
if( !( $server_response = fgets($socket, 256) ) )
{
message_die(ERROR, 'Could not get mail server response codes');
}
}
if( !( substr($server_response, 0, 3) == $response ) )
{
message_die(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 = '')
{
// For now I'm using an array based $smtp_vars to hold the smtp server
// info, but it should probably change to $board_config...
// then the relevant info would be $board_config['smtp_host'] and
// $board_config['smtp_port'].
global $board_config;
//
// 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(",", $bcc);
}
if(trim($mail_to) == '')
{
message_die(ERROR, 'No email address specified');
}
if(trim($subject) == '')
{
message_die(ERROR, 'No email Subject specified');
}
if(trim($message) == '')
{
message_die(ERROR, 'Email message was blank');
}
$mail_to_array = explode(",", $mail_to);
//
// Ok we have error checked as much as we can to this point let's get on
// it already.
//
if( !$socket = fsockopen($board_config['smtp_host'], 25, $errno, $errstr, 20) )
{
message_die(ERROR, "Could not connect to smtp host : $errno : $errstr");
}
server_parse($socket, "220");
if( !empty($board_config['smtp_username']) && !empty($board_config['smtp_password']) )
{
// Send the RFC2554 specified EHLO.
// This improved as provided by SirSir to accomodate
// both SMTP AND ESMTP capable servers
fputs($socket, "EHLO " . $board_config['smtp_host'] . "\r\n");
server_parse($socket, "250");
fputs($socket, "AUTH LOGIN\r\n");
server_parse($socket, "334");
fputs($socket, base64_encode($board_config['smtp_username']) . "\r\n");
server_parse($socket, "334");
fputs($socket, base64_encode($board_config['smtp_password']) . "\r\n");
server_parse($socket, "235");
}
else
{
// Send the RFC821 specified HELO.
fputs($socket, "HELO " . $board_config['smtp_host'] . "\r\n");
server_parse($socket, "250");
}
// From this point onward most server response codes should be 250
// Specify who the mail is from....
fputs($socket, "MAIL FROM: <" . $board_config['board_email'] . ">\r\n");
server_parse($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( $socket, "RCPT TO: <$mail_to_address>\r\n" );
server_parse( $socket, "250" );
}
$to_header .= "<$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( $socket, "RCPT TO: <$bcc_address>\r\n" );
server_parse( $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('/[^ ]+\@[^ ]+/', $cc_address) )
{
fputs($socket, "RCPT TO: <$cc_address>\r\n");
server_parse($socket, "250");
}
}
// Ok now we tell the server we are ready to start sending data
fputs($socket, "DATA\r\n");
// This is the last response code we look for until the end of the message.
server_parse($socket, "354");
// Send the Subject Line...
fputs($socket, "Subject: $subject\r\n");
// Now the To Header.
fputs($socket, "$to_header\r\n");
// Now any custom headers....
fputs($socket, "$headers\r\n\r\n");
// Ok now we are ready for the message...
fputs($socket, "$message\r\n");
// Ok the all the ingredients are mixed in let's cook this puppy...
fputs($socket, ".\r\n");
server_parse($socket, "250");
// Now tell the server we are done and close the socket...
fputs($socket, "QUIT\r\n");
fclose($socket);
return TRUE;
}
?>