|
1 <?php |
|
2 /*********************************************************************** |
|
3 |
|
4 Copyright (C) 2002-2005 Rickard Andersson (rickard@punbb.org) |
|
5 |
|
6 This file is part of PunBB. |
|
7 |
|
8 PunBB is free software; you can redistribute it and/or modify it |
|
9 under the terms of the GNU General Public License as published |
|
10 by the Free Software Foundation; either version 2 of the License, |
|
11 or (at your option) any later version. |
|
12 |
|
13 PunBB is distributed in the hope that it will be useful, but |
|
14 WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
16 GNU General Public License for more details. |
|
17 |
|
18 You should have received a copy of the GNU General Public License |
|
19 along with this program; if not, write to the Free Software |
|
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
|
21 MA 02111-1307 USA |
|
22 |
|
23 ************************************************************************/ |
|
24 |
|
25 |
|
26 // Make sure no one attempts to run this script "directly" |
|
27 if (!defined('PUN')) |
|
28 exit; |
|
29 |
|
30 |
|
31 // |
|
32 // Validate an e-mail address |
|
33 // |
|
34 function is_valid_email($email) |
|
35 { |
|
36 if (strlen($email) > 50) |
|
37 return false; |
|
38 |
|
39 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); |
|
40 } |
|
41 |
|
42 |
|
43 // |
|
44 // Check if $email is banned |
|
45 // |
|
46 function is_banned_email($email) |
|
47 { |
|
48 global $db, $pun_bans; |
|
49 |
|
50 foreach ($pun_bans as $cur_ban) |
|
51 { |
|
52 if ($cur_ban['email'] != '' && |
|
53 ($email == $cur_ban['email'] || |
|
54 (strpos($cur_ban['email'], '@') === false && stristr($email, '@'.$cur_ban['email'])))) |
|
55 return true; |
|
56 } |
|
57 |
|
58 return false; |
|
59 } |
|
60 |
|
61 |
|
62 // |
|
63 // Wrapper for PHP's mail() |
|
64 // |
|
65 function pun_mail($to, $subject, $message, $from = '') |
|
66 { |
|
67 global $pun_config, $lang_common; |
|
68 |
|
69 // Default sender/return address |
|
70 if (!$from) |
|
71 $from = '"'.str_replace('"', '', $pun_config['o_board_title'].' '.$lang_common['Mailer']).'" <'.$pun_config['o_webmaster_email'].'>'; |
|
72 |
|
73 // Do a little spring cleaning |
|
74 $to = trim(preg_replace('#[\n\r]+#s', '', $to)); |
|
75 $subject = trim(preg_replace('#[\n\r]+#s', '', $subject)); |
|
76 $from = trim(preg_replace('#[\n\r:]+#s', '', $from)); |
|
77 |
|
78 $headers = 'From: '.$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'; |
|
79 |
|
80 // Make sure all linebreaks are CRLF in message (and strip out any NULL bytes) |
|
81 $message = str_replace(array("\n", "\0"), array("\r\n", ''), pun_linebreaks($message)); |
|
82 |
|
83 if ($pun_config['o_smtp_host'] != '') |
|
84 smtp_mail($to, $subject, $message, $headers); |
|
85 else |
|
86 { |
|
87 // Change the linebreaks used in the headers according to OS |
|
88 if (strtoupper(substr(PHP_OS, 0, 3)) == 'MAC') |
|
89 $headers = str_replace("\r\n", "\r", $headers); |
|
90 else if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') |
|
91 $headers = str_replace("\r\n", "\n", $headers); |
|
92 |
|
93 mail($to, $subject, $message, $headers); |
|
94 } |
|
95 } |
|
96 |
|
97 |
|
98 // |
|
99 // This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com). |
|
100 // They deserve all the credit for writing it. I made small modifications for it to suit PunBB and it's coding standards. |
|
101 // |
|
102 function server_parse($socket, $expected_response) |
|
103 { |
|
104 $server_response = ''; |
|
105 while (substr($server_response, 3, 1) != ' ') |
|
106 { |
|
107 if (!($server_response = fgets($socket, 256))) |
|
108 error('Couldn\'t get mail server response codes. Please contact the forum administrator.', __FILE__, __LINE__); |
|
109 } |
|
110 |
|
111 if (!(substr($server_response, 0, 3) == $expected_response)) |
|
112 error('Unable to send e-mail. Please contact the forum administrator with the following error message reported by the SMTP server: "'.$server_response.'"', __FILE__, __LINE__); |
|
113 } |
|
114 |
|
115 |
|
116 // |
|
117 // This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com). |
|
118 // They deserve all the credit for writing it. I made small modifications for it to suit PunBB and it's coding standards. |
|
119 // |
|
120 function smtp_mail($to, $subject, $message, $headers = '') |
|
121 { |
|
122 global $pun_config; |
|
123 |
|
124 $recipients = explode(',', $to); |
|
125 |
|
126 // Are we using port 25 or a custom port? |
|
127 if (strpos($pun_config['o_smtp_host'], ':') !== false) |
|
128 list($smtp_host, $smtp_port) = explode(':', $pun_config['o_smtp_host']); |
|
129 else |
|
130 { |
|
131 $smtp_host = $pun_config['o_smtp_host']; |
|
132 $smtp_port = 25; |
|
133 } |
|
134 |
|
135 if (!($socket = fsockopen($smtp_host, $smtp_port, $errno, $errstr, 15))) |
|
136 error('Could not connect to smtp host "'.$pun_config['o_smtp_host'].'" ('.$errno.') ('.$errstr.')', __FILE__, __LINE__); |
|
137 |
|
138 server_parse($socket, '220'); |
|
139 |
|
140 if ($pun_config['o_smtp_user'] != '' && $pun_config['o_smtp_pass'] != '') |
|
141 { |
|
142 fwrite($socket, 'EHLO '.$smtp_host."\r\n"); |
|
143 server_parse($socket, '250'); |
|
144 |
|
145 fwrite($socket, 'AUTH LOGIN'."\r\n"); |
|
146 server_parse($socket, '334'); |
|
147 |
|
148 fwrite($socket, base64_encode($pun_config['o_smtp_user'])."\r\n"); |
|
149 server_parse($socket, '334'); |
|
150 |
|
151 fwrite($socket, base64_encode($pun_config['o_smtp_pass'])."\r\n"); |
|
152 server_parse($socket, '235'); |
|
153 } |
|
154 else |
|
155 { |
|
156 fwrite($socket, 'HELO '.$smtp_host."\r\n"); |
|
157 server_parse($socket, '250'); |
|
158 } |
|
159 |
|
160 fwrite($socket, 'MAIL FROM: <'.$pun_config['o_webmaster_email'].'>'."\r\n"); |
|
161 server_parse($socket, '250'); |
|
162 |
|
163 $to_header = 'To: '; |
|
164 |
|
165 @reset($recipients); |
|
166 while (list(, $email) = @each($recipients)) |
|
167 { |
|
168 fwrite($socket, 'RCPT TO: <'.$email.'>'."\r\n"); |
|
169 server_parse($socket, '250'); |
|
170 |
|
171 $to_header .= '<'.$email.'>, '; |
|
172 } |
|
173 |
|
174 fwrite($socket, 'DATA'."\r\n"); |
|
175 server_parse($socket, '354'); |
|
176 |
|
177 fwrite($socket, 'Subject: '.$subject."\r\n".$to_header."\r\n".$headers."\r\n\r\n".$message."\r\n"); |
|
178 |
|
179 fwrite($socket, '.'."\r\n"); |
|
180 server_parse($socket, '250'); |
|
181 |
|
182 fwrite($socket, 'QUIT'."\r\n"); |
|
183 fclose($socket); |
|
184 |
|
185 return true; |
|
186 } |