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1 <?php |
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2 /*********************************************************************** |
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3 |
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4 Copyright (C) 2002-2008 PunBB.org |
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5 |
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6 This file is part of PunBB. |
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7 |
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8 PunBB is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published |
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10 by the Free Software Foundation; either version 2 of the License, |
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11 or (at your option) any later version. |
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12 |
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13 PunBB is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with this program; if not, write to the Free Software |
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20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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21 MA 02111-1307 USA |
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22 |
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23 ************************************************************************/ |
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24 |
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25 |
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26 // Make sure no one attempts to run this script "directly" |
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27 if (!defined('PUN')) |
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28 exit; |
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29 |
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30 |
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31 // |
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32 // Validate an e-mail address |
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33 // |
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34 function is_valid_email($email) |
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35 { |
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36 if (strlen($email) > 80) |
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37 return false; |
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38 |
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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); |
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40 } |
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41 |
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42 |
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43 // |
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44 // Check if $email is banned |
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45 // |
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46 function is_banned_email($email) |
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47 { |
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48 global $pun_db, $pun_bans; |
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49 |
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50 foreach ($pun_bans as $cur_ban) |
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51 { |
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52 if ($cur_ban['email'] != '' && |
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53 ($email == $cur_ban['email'] || |
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54 (strpos($cur_ban['email'], '@') === false && stristr($email, '@'.$cur_ban['email'])))) |
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55 return true; |
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56 } |
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57 |
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58 return false; |
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59 } |
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60 |
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61 |
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62 // |
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63 // Wrapper for PHP's mail() |
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64 // |
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65 function pun_mail($to, $subject, $message, $from = '') |
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66 { |
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67 global $pun_config, $lang_common; |
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68 |
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69 // Default sender/return address |
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70 if (!$from) |
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71 $from = '"'.sprintf($lang_common['Forum mailer'], str_replace('"', '', $pun_config['o_board_title'])).'" <'.$pun_config['o_webmaster_email'].'>'; |
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72 |
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73 // Do a little spring cleaning |
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74 $to = trim(preg_replace('#[\n\r]+#s', '', $to)); |
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75 $subject = trim(preg_replace('#[\n\r]+#s', '', $subject)); |
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76 $from = trim(preg_replace('#[\n\r:]+#s', '', $from)); |
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77 |
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78 $headers = 'From: '.$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'; |
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79 |
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80 // Make sure all linebreaks are CRLF in message (and strip out any NULL bytes) |
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81 $message = str_replace(array("\n", "\0"), array("\r\n", ''), pun_linebreaks($message)); |
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82 |
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83 if ($pun_config['o_smtp_host'] != '') |
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84 smtp_mail($to, $subject, $message, $headers); |
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85 else |
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86 { |
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87 // Change the linebreaks used in the headers according to OS |
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88 if (strtoupper(substr(PHP_OS, 0, 3)) == 'MAC') |
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89 $headers = str_replace("\r\n", "\r", $headers); |
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90 else if (strtoupper(substr(PHP_OS, 0, 3)) != 'WIN') |
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91 $headers = str_replace("\r\n", "\n", $headers); |
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92 |
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93 mail($to, $subject, $message, $headers); |
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94 } |
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95 } |
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96 |
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97 |
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98 // |
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99 // This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com). |
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100 // They deserve all the credit for writing it. I made small modifications for it to suit PunBB and it's coding standards. |
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101 // |
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102 function server_parse($socket, $expected_response) |
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103 { |
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104 $server_response = ''; |
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105 while (substr($server_response, 3, 1) != ' ') |
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106 { |
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107 if (!($server_response = fgets($socket, 256))) |
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108 error('Couldn\'t get mail server response codes. Please contact the forum administrator.', __FILE__, __LINE__); |
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109 } |
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110 |
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111 if (!(substr($server_response, 0, 3) == $expected_response)) |
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112 error('Unable to send e-mail. Please contact the forum administrator with the following error message reported by the SMTP server: "'.$server_response.'"', __FILE__, __LINE__); |
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113 } |
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114 |
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115 |
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116 // |
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117 // This function was originally a part of the phpBB Group forum software phpBB2 (http://www.phpbb.com). |
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118 // 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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119 // |
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120 function smtp_mail($to, $subject, $message, $headers = '') |
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121 { |
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122 global $pun_config; |
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123 |
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124 $recipients = explode(',', $to); |
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125 |
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126 // Are we using port 25 or a custom port? |
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127 if (strpos($pun_config['o_smtp_host'], ':') !== false) |
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128 list($smtp_host, $smtp_port) = explode(':', $pun_config['o_smtp_host']); |
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129 else |
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130 { |
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131 $smtp_host = $pun_config['o_smtp_host']; |
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132 $smtp_port = 25; |
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133 } |
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134 |
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135 if ($pun_config['o_smtp_ssl'] == '1') |
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136 $smtp_host = 'ssl://'.$smtp_host; |
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137 |
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138 if (!($socket = fsockopen($smtp_host, $smtp_port, $errno, $errstr, 15))) |
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139 error('Could not connect to smtp host "'.$pun_config['o_smtp_host'].'" ('.$errno.') ('.$errstr.').', __FILE__, __LINE__); |
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140 |
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141 server_parse($socket, '220'); |
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142 |
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143 if ($pun_config['o_smtp_user'] != '' && $pun_config['o_smtp_pass'] != '') |
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144 { |
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145 fwrite($socket, 'EHLO '.$smtp_host."\r\n"); |
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146 server_parse($socket, '250'); |
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147 |
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148 fwrite($socket, 'AUTH LOGIN'."\r\n"); |
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149 server_parse($socket, '334'); |
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150 |
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151 fwrite($socket, base64_encode($pun_config['o_smtp_user'])."\r\n"); |
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152 server_parse($socket, '334'); |
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153 |
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154 fwrite($socket, base64_encode($pun_config['o_smtp_pass'])."\r\n"); |
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155 server_parse($socket, '235'); |
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156 } |
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157 else |
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158 { |
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159 fwrite($socket, 'HELO '.$smtp_host."\r\n"); |
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160 server_parse($socket, '250'); |
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161 } |
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162 |
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163 fwrite($socket, 'MAIL FROM: <'.$pun_config['o_webmaster_email'].'>'."\r\n"); |
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164 server_parse($socket, '250'); |
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165 |
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166 $to_header = 'To: '; |
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167 |
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168 @reset($recipients); |
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169 while (list(, $email) = @each($recipients)) |
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170 { |
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171 fwrite($socket, 'RCPT TO: <'.$email.'>'."\r\n"); |
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172 server_parse($socket, '250'); |
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173 |
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174 $to_header .= '<'.$email.'>, '; |
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175 } |
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176 |
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177 fwrite($socket, 'DATA'."\r\n"); |
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178 server_parse($socket, '354'); |
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179 |
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180 fwrite($socket, 'Subject: '.$subject."\r\n".$to_header."\r\n".$headers."\r\n\r\n".$message."\r\n"); |
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181 |
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182 fwrite($socket, '.'."\r\n"); |
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183 server_parse($socket, '250'); |
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184 |
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185 fwrite($socket, 'QUIT'."\r\n"); |
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186 fclose($socket); |
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187 |
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188 return true; |
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189 } |