/include/email.php
PHP | 202 lines | 122 code | 47 blank | 33 comment | 32 complexity | 85ef03f15d58f598991fcac46df76f4d MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- /**
- * Loads functions used in dealing with email addresses and email sending.
- *
- * @copyright (C) 2008-2012 PunBB, partially based on code (C) 2008-2009 FluxBB.org
- * @license http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
- * @package PunBB
- */
- // Make sure no one attempts to run this script "directly"
- if (!defined('FORUM'))
- exit;
- //
- // Validate an e-mail address
- //
- function is_valid_email($email)
- {
- $return = ($hook = get_hook('em_fn_is_valid_email_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if (strlen($email) > 80)
- return false;
- 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);
- }
- //
- // Check if $email is banned
- //
- function is_banned_email($email)
- {
- global $forum_db, $forum_bans;
- $return = ($hook = get_hook('em_fn_is_banned_email_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- foreach ($forum_bans as $cur_ban)
- {
- if ($cur_ban['email'] != '' &&
- ($email == $cur_ban['email'] ||
- (strpos($cur_ban['email'], '@') === false && stristr($email, '@'.$cur_ban['email']))))
- return true;
- }
- return false;
- }
- //
- // Wrapper for PHP's mail()
- //
- function forum_mail($to, $subject, $message, $reply_to_email = '', $reply_to_name = '')
- {
- global $forum_config, $lang_common;
- // Default sender address
- $from_name = sprintf($lang_common['Forum mailer'], $forum_config['o_board_title']);
- $from_email = $forum_config['o_webmaster_email'];
- ($hook = get_hook('em_fn_forum_mail_start')) ? eval($hook) : null;
- // Do a little spring cleaning
- $to = forum_trim(preg_replace('#[\n\r]+#s', '', $to));
- $subject = forum_trim(preg_replace('#[\n\r]+#s', '', $subject));
- $from_email = forum_trim(preg_replace('#[\n\r:]+#s', '', $from_email));
- $from_name = forum_trim(preg_replace('#[\n\r:]+#s', '', str_replace('"', '', $from_name)));
- $reply_to_email = forum_trim(preg_replace('#[\n\r:]+#s', '', $reply_to_email));
- $reply_to_name = forum_trim(preg_replace('#[\n\r:]+#s', '', str_replace('"', '', $reply_to_name)));
- // Set up some headers to take advantage of UTF-8
- $from = "=?UTF-8?B?".base64_encode($from_name)."?=".' <'.$from_email.'>';
- $subject = "=?UTF-8?B?".base64_encode($subject)."?=";
- $headers = 'From: '.$from."\r\n".'Date: '.gmdate('r')."\r\n".'MIME-Version: 1.0'."\r\n".'Content-transfer-encoding: 8bit'."\r\n".'Content-type: text/plain; charset=utf-8'."\r\n".'X-Mailer: PunBB Mailer';
- // If we specified a reply-to email, we deal with it here
- if (!empty($reply_to_email))
- {
- $reply_to = "=?UTF-8?B?".base64_encode($reply_to_name)."?=".' <'.$reply_to_email.'>';
- $headers .= "\r\n".'Reply-To: '.$reply_to;
- }
- // Make sure all linebreaks are CRLF in message (and strip out any NULL bytes)
- $message = str_replace(array("\n", "\0"), array("\r\n", ''), forum_linebreaks($message));
- ($hook = get_hook('em_fn_forum_mail_pre_send')) ? eval($hook) : null;
- if ($forum_config['o_smtp_host'] != '')
- smtp_mail($to, $subject, $message, $headers);
- else
- {
- // Change the linebreaks used in the headers according to OS
- if (strtoupper(substr(PHP_OS, 0, 3)) == 'MAC')
- $headers = str_replace("\r\n", "\r", $headers);
- else if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN')
- $headers = str_replace("\r\n", "\n", $headers);
- mail($to, $subject, $message, $headers);
- }
- }
- //
- // This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com).
- // They deserve all the credit for writing it. I made small modifications for it to suit PunBB and it's coding standards.
- //
- function server_parse($socket, $expected_response)
- {
- $server_response = '';
- while (substr($server_response, 3, 1) != ' ')
- {
- if (!($server_response = fgets($socket, 256)))
- error('Couldn\'t get mail server response codes.<br />Please contact the forum administrator.', __FILE__, __LINE__);
- }
- if (!(substr($server_response, 0, 3) == $expected_response))
- error('Unable to send e-mail.<br />Please contact the forum administrator with the following error message reported by the SMTP server: "'.$server_response.'"', __FILE__, __LINE__);
- }
- //
- // This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com).
- // They deserve all the credit for writing it. I made small modifications for it to suit PunBB and it's coding standards.
- //
- function smtp_mail($to, $subject, $message, $headers = '')
- {
- global $forum_config;
- $recipients = explode(',', $to);
- // Sanitize the message
- $message = str_replace("\r\n.", "\r\n..", $message);
- $message = (substr($message, 0, 1) == '.' ? '.'.$message : $message);
- // Are we using port 25 or a custom port?
- if (strpos($forum_config['o_smtp_host'], ':') !== false)
- list($smtp_host, $smtp_port) = explode(':', $forum_config['o_smtp_host']);
- else
- {
- $smtp_host = $forum_config['o_smtp_host'];
- $smtp_port = 25;
- }
- if ($forum_config['o_smtp_ssl'] == '1')
- $smtp_host = 'ssl://'.$smtp_host;
- if (!($socket = fsockopen($smtp_host, $smtp_port, $errno, $errstr, 15)))
- error('Could not connect to smtp host "'.$forum_config['o_smtp_host'].'" ('.$errno.') ('.$errstr.').', __FILE__, __LINE__);
- server_parse($socket, '220');
- if ($forum_config['o_smtp_user'] != '' && $forum_config['o_smtp_pass'] != '')
- {
- fwrite($socket, 'EHLO '.$smtp_host."\r\n");
- server_parse($socket, '250');
- fwrite($socket, 'AUTH LOGIN'."\r\n");
- server_parse($socket, '334');
- fwrite($socket, base64_encode($forum_config['o_smtp_user'])."\r\n");
- server_parse($socket, '334');
- fwrite($socket, base64_encode($forum_config['o_smtp_pass'])."\r\n");
- server_parse($socket, '235');
- }
- else
- {
- fwrite($socket, 'HELO '.$smtp_host."\r\n");
- server_parse($socket, '250');
- }
- fwrite($socket, 'MAIL FROM: <'.$forum_config['o_webmaster_email'].'>'."\r\n");
- server_parse($socket, '250');
- foreach ($recipients as $email)
- {
- fwrite($socket, 'RCPT TO: <'.$email.'>'."\r\n");
- server_parse($socket, '250');
- }
- fwrite($socket, 'DATA'."\r\n");
- server_parse($socket, '354');
- fwrite($socket, 'Subject: '.$subject."\r\n".'To: <'.implode('>, <', $recipients).'>'."\r\n".$headers."\r\n\r\n".$message."\r\n");
- fwrite($socket, '.'."\r\n");
- server_parse($socket, '250');
- fwrite($socket, 'QUIT'."\r\n");
- fclose($socket);
- return true;
- }
- define('FORUM_EMAIL_FUNCTIONS_LOADED', 1);