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<?php
/***************************************************************************
emailer.php
-------------------
begin : Sunday Aug. 12, 2001
copyright : (C) 2001 The phpBB Group
email : support@phpbb.com
$Id: emailer.php,v 1.15.2.34 2003/07/26 11:41:35 acydburn Exp $
***************************************************************************/
/***************************************************************************
*
* 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 $msg, $subject, $extra_headers;
var $addresses, $reply_to, $from;
var $use_smtp;
var $tpl_msg = array();
function emailer($use_smtp)
{
$this->reset();
$this->use_smtp = $use_smtp;
$this->reply_to = $this->from = '';
}
// Resets all the data (address, template file, etc etc to default
function reset()
{
$this->addresses = array();
$this->vars = $this->msg = $this->extra_headers = '';
}
// Sets an email address to send to
function email_address($address)
{
$this->addresses['to'] = trim($address);
}
function cc($address)
{
$this->addresses['cc'][] = trim($address);
}
function bcc($address)
{
$this->addresses['bcc'][] = trim($address);
}
function replyto($address)
{
$this->reply_to = trim($address);
}
function from($address)
{
$this->from = trim($address);
}
// set up subject for mail
function set_subject($subject = '')
{
$this->subject = trim(preg_replace('#[\n\r]+#s', '', $subject));
}
// set up extra mail headers
function extra_headers($headers)
{
$this->extra_headers .= trim($headers) . "\n";
}
function use_template($template_file, $template_lang = '')
{
global $board_config, $phpbb_root_path;
if (trim($template_file) == '')
{
message_die(GENERAL_ERROR, 'No template file set', '', __LINE__, __FILE__);
}
if (trim($template_lang) == '')
{
$template_lang = $board_config['default_lang'];
}
if (empty($this->tpl_msg[$template_lang . $template_file]))
{
$tpl_file = $phpbb_root_path . 'language/lang_' . $template_lang . '/email/' . $template_file . '.tpl';
if (!@file_exists(@phpbb_realpath($tpl_file)))
{
$tpl_file = $phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/email/' . $template_file . '.tpl';
if (!@file_exists(@phpbb_realpath($tpl_file)))
{
message_die(GENERAL_ERROR, 'Could not find email template file :: ' . $template_file, '', __LINE__, __FILE__);
}
}
if (!($fd = @fopen($tpl_file, 'r')))
{
message_die(GENERAL_ERROR, 'Failed opening template file :: ' . $tpl_file, '', __LINE__, __FILE__);
}
$this->tpl_msg[$template_lang . $template_file] = fread($fd, filesize($tpl_file));
fclose($fd);
}
$this->msg = $this->tpl_msg[$template_lang . $template_file];
return true;
}
// assign variables
function assign_vars($vars)
{
$this->vars = (empty($this->vars)) ? $vars : $this->vars . $vars;
}
// Send the mail out to the recipients set previously in var $this->address
function send()
{
global $board_config, $lang, $phpEx, $phpbb_root_path, $db;
// Escape all quotes, else the eval will fail.
$this->msg = str_replace ("'", "\'", $this->msg);
$this->msg = preg_replace('#\{([a-z0-9\-_]*?)\}#is', "' . $\\1 . '", $this->msg);
// Set vars
reset ($this->vars);
while (list($key, $val) = each($this->vars))
{
$$key = $val;
}
eval("\$this->msg = '$this->msg';");
// Clear vars
reset ($this->vars);
while (list($key, $val) = each($this->vars))
{
unset($$key);
}
// We now try and pull a subject from the email body ... if it exists,
// do this here because the subject may contain a variable
$drop_header = '';
$match = array();
if (preg_match('#^(Subject:(.*?))$#m', $this->msg, $match))
{
$this->subject = (trim($match[2]) != '') ? trim($match[2]) : (($this->subject != '') ? $this->subject : 'No Subject');
$drop_header .= '[\r\n]*?' . phpbb_preg_quote($match[1], '#');
}
else
{
$this->subject = (($this->subject != '') ? $this->subject : 'No Subject');
}
if (preg_match('#^(Charset:(.*?))$#m', $this->msg, $match))
{
$this->encoding = (trim($match[2]) != '') ? trim($match[2]) : trim($lang['ENCODING']);
$drop_header .= '[\r\n]*?' . phpbb_preg_quote($match[1], '#');
}
else
{
$this->encoding = trim($lang['ENCODING']);
}
if ($drop_header != '')
{
$this->msg = trim(preg_replace('#' . $drop_header . '#s', '', $this->msg));
}
$to = $this->addresses['to'];
$cc = (count($this->addresses['cc'])) ? implode(', ', $this->addresses['cc']) : '';
$bcc = (count($this->addresses['bcc'])) ? implode(', ', $this->addresses['bcc']) : '';
// Build header
$this->extra_headers = (($this->reply_to != '') ? "Reply-to: $this->reply_to\n" : '') . (($this->from != '') ? "From: $this->from\n" : "From: " . $board_config['board_email'] . "\n") . "Return-Path: " . $board_config['board_email'] . "\nMessage-ID: <" . md5(uniqid(time())) . "@" . $board_config['server_name'] . ">\nMIME-Version: 1.0\nContent-type: text/plain; charset=" . $this->encoding . "\nContent-transfer-encoding: 8bit\nDate: " . date('r', time()) . "\nX-Priority: 3\nX-MSMail-Priority: Normal\nX-Mailer: PHP\nX-MimeOLE: Produced By phpBB2\n" . $this->extra_headers . (($cc != '') ? "Cc: $cc\n" : '') . (($bcc != '') ? "Bcc: $bcc\n" : '');
// Send message ... removed $this->encode() from subject for time being
if ( $this->use_smtp )
{
if ( !defined('SMTP_INCLUDED') )
{
include($phpbb_root_path . 'includes/smtp.' . $phpEx);
}
$result = smtpmail($to, $this->subject, $this->msg, $this->extra_headers);
}
else
{
$empty_to_header = ($to == '') ? TRUE : FALSE;
$to = ($to == '') ? (($board_config['sendmail_fix']) ? ' ' : 'Undisclosed-recipients:;') : $to;
$result = @mail($to, $this->subject, preg_replace("#(?<!\r)\n#s", "\n", $this->msg), $this->extra_headers);
if (!$result && !$board_config['sendmail_fix'] && $empty_to_header)
{
$to = ' ';
$sql = "UPDATE " . CONFIG_TABLE . "
SET config_value = '1'
WHERE config_name = 'sendmail_fix'";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Unable to update config table', '', __LINE__, __FILE__, $sql);
}
$board_config['sendmail_fix'] = 1;
$result = @mail($to, $this->subject, preg_replace("#(?<!\r)\n#s", "\n", $this->msg), $this->extra_headers);
}
}
// Did it work?
if (!$result)
{
message_die(GENERAL_ERROR, 'Failed sending email :: ' . (($this->use_smtp) ? 'SMTP' : 'PHP') . ' :: ' . $result, '', __LINE__, __FILE__);
}
return true;
}
// Encodes the given string for proper display for this encoding ... nabbed
// from php.net and modified. There is an alternative encoding method which
// may produce lesd output but it's questionable as to its worth in this
// scenario IMO
function encode($str)
{
if ($this->encoding == '')
{
return $str;
}
// define start delimimter, end delimiter and spacer
$end = "?=";
$start = "=?$this->encoding?B?";
$spacer = "$end\r\n $start";
// determine length of encoded text within chunks and ensure length is even
$length = 75 - strlen($start) - strlen($end);
$length = floor($length / 2) * 2;
// encode the string and split it into chunks with spacers after each chunk
$str = chunk_split(base64_encode($str), $length, $spacer);
// remove trailing spacer and add start and end delimiters
$str = preg_replace('#' . phpbb_preg_quote($spacer, '#') . '$#', '', $str);
return $start . $str . $end;
}
//
// Attach files via MIME.
//
function attachFile($filename, $mimetype = "application/octet-stream", $szFromAddress, $szFilenameToDisplay)
{
global $lang;
$mime_boundary = "--==================_846811060==_";
$this->msg = '--' . $mime_boundary . "\nContent-Type: text/plain;\n\tcharset=\"" . $lang['ENCODING'] . "\"\n\n" . $this->msg;
if ($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(phpbb_realpath($sourcefile)))
{
$fd = fopen($sourcefile, "r");
$contents = fread($fd, filesize($sourcefile));
$encoded = $this->myChunkSplit(base64_encode($contents));
fclose($fd);
}
return $encoded;
}
} // class emailer
?>
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