[mxbb-commits] mx_contact/includes contact_attach.php, NONE, 1.1 contact_constants.php, NONE, 1.1 contact_emailer.php, NONE, 1.1 contact_extend.php, NONE, 1.1 functions_contact.php, NONE, 1.1

[OryNider <ory...@us...>]

Update of /cvsroot/mxbb/mx_contact/includes
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv3418/includes

Added Files:
	contact_attach.php contact_constants.php contact_emailer.php 
	contact_extend.php functions_contact.php 
Log Message:
First Version!

--- NEW FILE: contact_attach.php ---
<?php
/***************************************************************************
 *                            contact_attach.php
 *                            ---------------------
 *	Version:	9.0.0
 *	Begin:		Tuesday, Dec 06, 2006
 *   	Copyright:	(C) 2006-07, Marcus
 *	E-mail:		ma...@ph...
 *	$id:		18:52 03/07/2007
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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.
 *
 ***************************************************************************/

if(!defined('IN_PORTAL'))
{
	die('Hacking Attempt');
}

//
// Filename Hash option
//
if($contact_config['contact_hash'] == 0)
{
	//
	// Normal Filenames
	//
	$attachment = !empty($attachment) ? strtolower(urlencode(basename($HTTP_POST_FILES['attachment']['name']))) : '';
	$attach = $server_url . $script_path . "/" . trim($contact_config['contact_file_root']) . "/" . decode_ip($user_ip) . "/" . $attachment;
}
else
{
	//
	// MD5 Filenames
	//
	$upload = strtolower(urlencode(basename($HTTP_POST_FILES['attachment']['name'])));

	// Get the file extension first
	$extn = substr(strrchr($upload, "."), 1);

	// Generate a random Filename
	$attachment = !empty($attachment) ? strtolower(md5(mt_rand() * time())  . "." . $extn) : '';
	$attach = $server_url . $script_path . "/" . trim($contact_config['contact_file_root']) . "/" . decode_ip($user_ip) . "/" . $attachment;
}

$delete_link = sprintf("\n" . $lang['Remove_file'], $server_url . $script_name . "?delete=" . decode_ip($user_ip) . "/" . $attachment . "\n");

//
// Was there an attachment? Yes? Then lets process it.
//
if(empty($attachment))
{
	$attach = $lang['Empty'];
	$delete_link = '';
}
else
{
	$filename = basename($HTTP_POST_FILES['attachment']['name']);
	$ext = strrchr(strtolower($filename), '.');

	//
	// Banned extentions
	//
	$blacklist = array(	'adp', 'as', 'asmx', 'asp', 'aspx', 'avi',
				'bat', 'bin',
				'cfg', 'cgi', 'com', 'cmd', 'css',
				'dhtm', 'dhtml', 'dll', 'doc',
				'exe',
				'fla',
				'gvi',
				'hta', 'htaccess', 'htm', 'html', 'htt',
				'inc', 'ini',
				'jar', 'js', 'jse', 'jsp', 'jspx',
				'lnk',
				'mdb', 'moov', 'mov', 'movie', 'mp3', 'mp4', 'mpa', 'mpe', 'mpeg', 'mpg',
				'obs',
				'pdf', 'php', 'php3', 'php4', 'php5', 'php6', 'phtm', 'phtml', 'pif', 'pl', 'ppt', 'prg',
				'ra', 'ram', 'raw', 'reg', 'rgs', 'rhtml', 'rm', 'rtf',
				'scr', 'sct', 'shb', 'shs', 'sht', 'shtm', 'shtml', 'sql', 'sys',
				'tlb', 'tpl', 'txt',
				'vb', 'vbe', 'vbs', 'vbscript', 'vdo',
				'wav', 'ws', 'wsf',
				'xls', 'xml'
			);
	//
	// Permitted extensions
	//
	$whitelist = array(	'bmp', 'gif', 'gz', 'gzip', 'jpeg', 'jpg', 'png', 'psd', 'rar', 'swf', 'tiff', 'zip' );

	if(in_array(trim($ext, '.'), $blacklist))
	{
		$CF_illegal_ext = $_br . sprintf($lang['Illegal_ext'], $ext) . "<br />" . $lang['zip_advise'];
		$CF_general_message = 1;
	}
	elseif(!in_array(trim($ext, '.'), $whitelist))
	{
		$CF_unknown_ext = $_br . sprintf($lang['Unknown_ext'], $ext) . "<br />" . $lang['zip_advise'];
		$CF_general_message = 1;
	}
	// Stage 2
	error_check();

	//
	// Extension safe - proceed with upload
	//
	if(($HTTP_POST_FILES['attachment']['size'] > intval($contact_config['contact_max_file_size'] * 1024)) || ($HTTP_POST_FILES['attachment']['error'] == 1))
	{
		$CF_attach_file_big = $_br . sprintf($lang['Attach-Too_big'], $contact_config['contact_max_file_size']) . "<br />" . $lang['zip_advise'];
		$CF_general_message = 1;
	}
	elseif(($HTTP_POST_FILES['attachment']['error'] == 3) || ($HTTP_POST_FILES['attachment']['error'] == 6))
	{
		$CF_attach_POST_error = $_br . $lang['POST_ERROR'];
		$CF_general_message = 1;
	}
	elseif(($HTTP_POST_FILES['attachment']['size'] == 0) || ($HTTP_POST_FILES['attachment']['error'] == 4))
	{
		$CF_attach_file_dud = $_br . $lang['Attach_dud'];
		$CF_general_message = 1;
	}
	elseif(file_exists(@phpbb_realpath($phpbb_root_path . $contact_config['contact_file_root'] . "/" . decode_ip($user_ip) . "/" . $attachment)))
	{
		$CF_attach_file_exists = $_br . $lang['Attach-File_exists'];
		$CF_general_message = 1;
	}
	// Stage 3
	error_check();

	//
	// Image Types
	//
	$imfilename = basename($HTTP_POST_FILES['attachment']['name']);

	$image_types = array( 'bmp', 'gif', 'jpg', 'jpeg', 'png', 'tiff', 'swf', 'psd' );
	$imext = strrchr(strtolower($imfilename), ".");

	if(in_array(trim($imext, '.'), $image_types))
	{
		list($width, $height, $type) = @getimagesize($HTTP_POST_FILES['attachment']['tmp_name']);

		if(intval($width) > 0 && intval($height) > 0)
		{
			switch ($type)
			{
				// GIF
				case 1:
					if($imext != '.gif')
					{
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
					}
					break;

				// JPG, JPC, JP2, JPX, JB2
				case 2:
				case 9:
				case 10:
				case 11:
				case 12:
					if($imext != '.jpg' && $imext != '.jpeg')
					{
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
					}
					break;

				// PNG
				case 3:
					if($imext != '.png')
					{
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
					}
					break;

				// SWF
				case 4:
					if($imext != '.swf')
					{
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
					}
					elseif($imext == '.swf')
					{
						$CF_image_zip = $_br . $lang['Image_zip'];
						$CF_general_message = 1;
					}
					break;

				// PSD
				case 5:
					if($imext != '.psd')
					{
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
					}
					elseif($imext == '.psd')
					{
						$CF_image_zip = $_br . $lang['Image_zip'];
						$CF_general_message = 1;
					}
					break;

				// BMP
				case 6:
					if($imext != '.bmp')
					{
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
					}
					elseif($imext == '.bmp')
					{
						$CF_image_zip = $_br . $lang['Image_zip'];
						$CF_general_message = 1;
					}
					break;

				// TIFF's
				case 7:
				case 8:
					if($imext != '.tiff')
					{
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
					}
					elseif($imext == '.tiff')
					{
						$CF_image_zip = $_br . $lang['Image_zip'];
						$CF_general_message = 1;
					}
					break;

				default:
						$CF_image_error = $_br . $lang['Image_error'];
						$CF_general_message = 1;
			}
		}
		else
		{
			// XSS?
			$CF_image_error = $_br . $lang['Image_error'];
			$CF_general_message = 1;
		}
	}
			// Stage 4
	error_check();

	if(!file_exists(@phpbb_realpath($module_root_path . $contact_config['contact_file_root'] . "/" . decode_ip($user_ip))))
	{
		if(!file_exists(@phpbb_realpath($module_root_path . $contact_config['contact_file_root'] . "/")))
		{
			@mkdir($module_root_path . $contact_config['contact_file_root'] . "/", 0755);

			$fd =	@fopen($module_root_path . $contact_config['contact_file_root'] . "/index.html", 'a');
				@fclose($fd);
		}
		@mkdir($module_root_path . $contact_config['contact_file_root'] . "/" . decode_ip($user_ip), 0755);
	}

	if(@is_uploaded_file($HTTP_POST_FILES['attachment']['tmp_name']))
	{
		@move_uploaded_file($HTTP_POST_FILES['attachment']['tmp_name'],  $module_root_path . $contact_config['contact_file_root'] . "/" . decode_ip($user_ip) . "/" . $attachment);

		$fa =	@fopen($module_root_path . $contact_config['contact_file_root'] . "/" . decode_ip($user_ip) . "/index.html", 'a');
			@fclose($fa);

		$CF_attach_success = $_br . $lang['Attach-Uploaded'];
	}
	else
	{
		@unlink($attach);
		$CF_attach_POST_error = $_br . $lang['POST_ERROR'];
		$CF_general_message = 1;
	}
}

?>
--- NEW FILE: functions_contact.php ---
<?php
/***************************************************************************
 *                            functions_contact.php
 *                            ---------------------
 *	Version:	9.0.0
 *	Begin:		Tuesday, Dec 06, 2006
 *   	Copyright:	(C) 2006-07, Marcus
 *	E-mail:		ma...@ph...
 *	$id:		21:55 25/06/2007
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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.
 *
 ***************************************************************************/

if(!defined('IN_PORTAL'))
{
	die('Hacking Attempt');
}

if(!$userdata['session_logged_in'])
{
	$remove = $HTTP_GET_VARS['delete'];
	redirect($module_root_path . "login.$phpEx?redirect=index.$phpEx&delete=$remove", true);
}
elseif($userdata['user_level'] != ADMIN)
{
	mx_message_die(GENERAL_ERROR, $lang['Not_Authorised']); // lang_main.php
}
else
{
	$filename = $module_root_path . "/" . trim($contact_config['contact_file_root']) . "/" . $HTTP_GET_VARS['delete'];

	//
	// Exploit Prevention
	//
	//exploit_catch($filename);

	//
	// If filename and location matches okay, delete it..
	//
	if(file_exists($filename))
	{
		delete_file($filename);
		mx_message_die(GENERAL_MESSAGE, $lang['File_Removed']);
	}
	else
	{
		mx_message_die(GENERAL_ERROR, $lang['File_Not_Here']);
	}
}

function exploit_catch($filename)
{
	$methods = array('..', 'contact.php', '\0');
	foreach($methods as $hacks)
	{
		if(strpos($filename, $hacks) !== false)
		{
			die('Hacking Attempt');
		}
	}

	if(is_dir($filename))
	{
		die('Hacking Attempt');
	}
}

function delete_file($filename)
{
	global $HTTP_GET_VARS, $db, $contact_config, $module_root_path;

	@unlink($filename);
	clearstatcache();

	if($contact_config['contact_storage'] == 1)
	{
		$filename = $module_root_path . trim($contact_config['contact_file_root']) . "/" . $HTTP_GET_VARS['delete'];

		$sql = "UPDATE " . CONTACT_MSGS_TABLE . "
			SET upfile = ''
			WHERE upfile = '$filename'";

		if(!($result = $db->sql_query($sql)))
		{
			mx_message_die(GENERAL_ERROR, 'Could not update Contact table', '', __LINE__, __FILE__, $sql);
		}
	}
}

?>
--- NEW FILE: contact_extend.php ---
<?php
/***************************************************************************
 *                            contact_extend.php
 *                            ------------------
 *	Version:	9.0.0
 *	Begin:		Tuesday, Dec 06, 2006
 *   	Copyright:	(C) 2006-07, Marcus
 *	E-mail:		ma...@ph...
 *	$id:		21:20 01/06/2007
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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.
 *
 ***************************************************************************/

if(!defined('IN_PORTAL'))
{
	die('Hacking Attempt');
}

if($contact_config['contact_thankyou'] == 1 && !$userdata['session_logged_in'])
{
	return;
}
else
{
	if($email == $lang['Empty'])
	{
		return;
	}
	else
	{
		//
		// Prune expired emails (24hr anti-spam)
		//
		$time = time();
		$sql = "DELETE FROM " . CONTACT_EMAILS_TABLE . "
			WHERE lasttime <= '$time'";
		$result = $db->sql_query($sql);

		if(!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Failed to update emails', '', __LINE__, __FILE__, $sql);
		}

		//
		// Store new Sender e-mail with limit (3 max)
		//
		$sql = "SELECT * 
			FROM " . CONTACT_EMAILS_TABLE . "
			WHERE email = '$email'";
		$result = $db->sql_query($sql);

		if(!$db->sql_query($sql))
		{
			mx_message_die(CRITICAL_ERROR, 'Could not query email information', '', __LINE__, __FILE__, $sql);
		}
		$row = $db->sql_fetchrow($result);

		if(empty($row['email']))
		{
			$lasttime = time() + intval(24 * 60) * intval(60);
			$initial = 1;
			$sql = "INSERT INTO " . CONTACT_EMAILS_TABLE . " (email, sent, lasttime)
				VALUES ('" . str_replace("\'", "''", $email) . "', $initial, $lasttime)";
			if(!$db->sql_query($sql))
			{
				mx_message_die(CRITICAL_ERROR, 'Could not update email information', '', __LINE__, __FILE__, $sql);
			}
		}
		else
		{
			if($row['sent'] >= 3)
			{
				mx_message_die(GENERAL_ERROR, $lang['Thankyou_limit']);
			}
			else
			{
				$sql = "UPDATE " . CONTACT_EMAILS_TABLE . "
					SET sent = sent + 1
					WHERE email = '$email'";
				if(!$db->sql_query($sql))
				{
					mx_message_die(CRITICAL_ERROR, 'Could not update email information', '', __LINE__, __FILE__, $sql);
				}
			}
		}

		//
		// Send a Thank You e-mail to the sender
		//
		$emailer = new emailer($board_config['smtp_delivery']);
		$emailer->from($board_config['board_email']);
		$emailer->replyto($board_config['board_email']);

		$email_headers  = 'X-AntiAbuse: Board Servername - ' . $board_config['server_name'] . "\n";
		$email_headers .= 'X-AntiAbuse: User ID - ' . $userdata['user_id'] . "\n";
		$email_headers .= 'X-AntiAbuse: Username - ' . $userdata['username'] . "\n";
		$email_headers .= 'X-AntiAbuse: User IP - ' . decode_ip($user_ip) . "\n";

		empty($email) ? $emailer->email_address() : $emailer->email_address($email);

		$emailer->extra_headers($email_headers);
		$emailer->use_template('contact_thanks', $userdata['user_lang']);
		$emailer->set_subject($subject);

		$emailer->assign_vars(array(
			'REAL_NAME' => $real_name,
			'USERNAME' => $user_name,
			'EMAIL' => $email,
			'COMMENTS' => $comments,

			'USER_IP' => decode_ip($user_ip),
			'TIMEDATE' => $timedate,
			'SITENAME' => $board_config['sitename'])
		);

		$emailer->send();
		$emailer->reset();
	}
}

?>
--- NEW FILE: contact_constants.php ---
<?php
/**
*
* @package mxBB Portal Module - mx_contact
* @version $Id: contact_constants.php,v 1.1 2007/12/12 18:41:43 orynider Exp $
* @copyright (c) 2003 [ory...@rd..., OryNider] mxBB Development Team
* @license http://opensource.org/licenses/gpl-license.php GNU General Public License v2
*
*/

if ( !defined('IN_PORTAL') )
{
	die('Hacking attempt');
}

// -------------------------------------------------------------------------
// Extend User Style with module lang and images
// Usage:  $mx_user->extend(LANG, IMAGES)
// Switches:
// - LANG: MX_LANG_MAIN (default), MX_LANG_ADMIN, MX_LANG_ALL, MX_LANG_NONE
// - IMAGES: MX_IMAGES (default), MX_IMAGES_NONE
// -------------------------------------------------------------------------
$mx_user->extend(MX_LANG_MAIN, MX_IMAGES_NONE);

define('CONTACT_TABLE', $mx_table_prefix . 'contact');
define('CONTACT_CONFIG_TABLE', $mx_table_prefix . 'contact_config');
define('CONTACT_MSGS_TABLE', $mx_table_prefix . 'contact_msgs');
define('CONTACT_EMAILS_TABLE', $mx_table_prefix . 'contact_emails');

?>
--- NEW FILE: contact_emailer.php ---
<?php
/***************************************************************************
                                contact_emailer.php
                             -------------------
    begin                : Sunday Aug. 12, 2001
    copyright            : (C) 2001 The phpBB Group
    email                : su...@ph...

    $Id: contact_emailer.php,v 1.1 2007/12/12 18:41:43 orynider 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, $module_root_path, $mx_root_path;

		if (trim($template_file) == '')
		{
			mx_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 = $module_root_path . 'language/lang_' . $template_lang . '/email/' . $template_file . '.tpl';

			if (!@file_exists(@phpbb_realpath($tpl_file)))
			{
				$tpl_file = $module_root_path . 'language/lang_' . $board_config['default_lang'] . '/email/' . $template_file . '.tpl';

				if (!@file_exists(@phpbb_realpath($tpl_file)))
				{
					mx_message_die(GENERAL_ERROR, 'Could not find email template file :: ' . $template_file . ' @:' . $tpl_file, '', __LINE__, __FILE__);
				}
			}

			if (!($fd = @fopen($tpl_file, 'r')))
			{
				mx_message_die(GENERAL_ERROR, 'Failed opening template file :: ' . $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');
			$drop_header .= '[\r\n]*?' . preg_quote($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']);
			$drop_header .= '[\r\n]*?' . preg_quote($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))
				{
					mx_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 (!$result)
		{
			mx_message_die(GENERAL_ERROR, 'Failed sending email :: ' . (($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
		$str = preg_replace('#' . preg_quote($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

?>