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<?php
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/***********************************************************************
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Copyright (C) 2002-2005 Rickard Andersson (rickard@punbb.org)
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This file is part of PunBB.
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PunBB is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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PunBB is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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MA 02111-1307 USA
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************************************************************************/
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// Make sure no one attempts to run this script "directly"
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if (!defined('PUN'))
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exit;
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//
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// Validate an e-mail address
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//
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function is_valid_email($email)
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{
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if (strlen($email) > 50)
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return false;
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return preg_match('/^(([^<>()[\]\\.,;:\s@"\']+(\.[^<>()[\]\\.,;:\s@"\']+)*)|("[^"\']+"))@((\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\])|(([a-zA-Z\d\-]+\.)+[a-zA-Z]{2,}))$/', $email);
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}
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//
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// Check if $email is banned
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//
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function is_banned_email($email)
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{
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global $db, $pun_bans;
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foreach ($pun_bans as $cur_ban)
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{
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if ($cur_ban['email'] != '' &&
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($email == $cur_ban['email'] ||
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(strpos($cur_ban['email'], '@') === false && stristr($email, '@'.$cur_ban['email']))))
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return true;
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}
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return false;
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}
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//
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// Wrapper for PHP's mail()
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//
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function pun_mail($to, $subject, $message, $from = '')
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{
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global $pun_config, $lang_common;
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// Default sender/return address
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if (!$from)
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$from = '"'.str_replace('"', '', $pun_config['o_board_title'].' '.$lang_common['Mailer']).'" <'.$pun_config['o_webmaster_email'].'>';
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// Do a little spring cleaning
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$to = trim(preg_replace('#[\n\r]+#s', '', $to));
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$subject = trim(preg_replace('#[\n\r]+#s', '', $subject));
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$from = trim(preg_replace('#[\n\r:]+#s', '', $from));
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$headers = 'From: '.$from."\r\n".'Date: '.date('r')."\r\n".'MIME-Version: 1.0'."\r\n".'Content-transfer-encoding: 8bit'."\r\n".'Content-type: text/plain; charset='.$lang_common['lang_encoding']."\r\n".'X-Mailer: PunBB Mailer';
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// Make sure all linebreaks are CRLF in message (and strip out any NULL bytes)
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$message = str_replace(array("\n", "\0"), array("\r\n", ''), pun_linebreaks($message));
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if ($pun_config['o_smtp_host'] != '')
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smtp_mail($to, $subject, $message, $headers);
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else
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{
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// Change the linebreaks used in the headers according to OS
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if (strtoupper(substr(PHP_OS, 0, 3)) == 'MAC')
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$headers = str_replace("\r\n", "\r", $headers);
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else if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN')
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$headers = str_replace("\r\n", "\n", $headers);
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mail($to, $subject, $message, $headers);
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}
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}
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//
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// This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com).
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// They deserve all the credit for writing it. I made small modifications for it to suit PunBB and it's coding standards.
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//
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function server_parse($socket, $expected_response)
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{
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$server_response = '';
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while (substr($server_response, 3, 1) != ' ')
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{
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if (!($server_response = fgets($socket, 256)))
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error('Couldn\'t get mail server response codes. Please contact the forum administrator.', __FILE__, __LINE__);
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}
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if (!(substr($server_response, 0, 3) == $expected_response))
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error('Unable to send e-mail. Please contact the forum administrator with the following error message reported by the SMTP server: "'.$server_response.'"', __FILE__, __LINE__);
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}
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//
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// This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com).
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// They deserve all the credit for writing it. I made small modifications for it to suit PunBB and it's coding standards.
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//
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function smtp_mail($to, $subject, $message, $headers = '')
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{
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global $pun_config;
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$recipients = explode(',', $to);
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// Are we using port 25 or a custom port?
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if (strpos($pun_config['o_smtp_host'], ':') !== false)
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list($smtp_host, $smtp_port) = explode(':', $pun_config['o_smtp_host']);
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else
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{
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$smtp_host = $pun_config['o_smtp_host'];
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$smtp_port = 25;
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}
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if (!($socket = fsockopen($smtp_host, $smtp_port, $errno, $errstr, 15)))
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error('Could not connect to smtp host "'.$pun_config['o_smtp_host'].'" ('.$errno.') ('.$errstr.')', __FILE__, __LINE__);
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server_parse($socket, '220');
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if ($pun_config['o_smtp_user'] != '' && $pun_config['o_smtp_pass'] != '')
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{
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fwrite($socket, 'EHLO '.$smtp_host."\r\n");
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server_parse($socket, '250');
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fwrite($socket, 'AUTH LOGIN'."\r\n");
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server_parse($socket, '334');
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fwrite($socket, base64_encode($pun_config['o_smtp_user'])."\r\n");
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server_parse($socket, '334');
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fwrite($socket, base64_encode($pun_config['o_smtp_pass'])."\r\n");
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server_parse($socket, '235');
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}
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else
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{
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fwrite($socket, 'HELO '.$smtp_host."\r\n");
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server_parse($socket, '250');
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}
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fwrite($socket, 'MAIL FROM: <'.$pun_config['o_webmaster_email'].'>'."\r\n");
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server_parse($socket, '250');
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$to_header = 'To: ';
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@reset($recipients);
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while (list(, $email) = @each($recipients))
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{
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fwrite($socket, 'RCPT TO: <'.$email.'>'."\r\n");
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server_parse($socket, '250');
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$to_header .= '<'.$email.'>, ';
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}
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fwrite($socket, 'DATA'."\r\n");
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server_parse($socket, '354');
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fwrite($socket, 'Subject: '.$subject."\r\n".$to_header."\r\n".$headers."\r\n\r\n".$message."\r\n");
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fwrite($socket, '.'."\r\n");
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server_parse($socket, '250');
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fwrite($socket, 'QUIT'."\r\n");
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fclose($socket);
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return true;
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}
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