inc/libs/blacklist_functions.php

   1 <?php
   2 /************************************************************************
   3  * Mailer v0.2.1-FINAL                                Start: 01/21/2013 *
   4  * ===================                          Last change: 01/21/2013 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : blacklist_functions.php                          *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Functions for ext-                               *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Funktionen fuer ext-                             *
  12  * -------------------------------------------------------------------- *
  13  * $Revision::                                                        $ *
  14  * $Date::                                                            $ *
  15  * $Tag:: 0.2.1-FINAL                                                 $ *
  16  * $Author::                                                          $ *
  17  * -------------------------------------------------------------------- *
  18  * Copyright (c) 2003 - 2009 by Roland Haeder                           *
  19  * Copyright (c) 2009 - 2012 by Mailer Developer Team                   *
  20  * For more information visit: http://mxchange.org                      *
  21  *                                                                      *
  22  * This program is free software; you can redistribute it and/or modify *
  23  * it under the terms of the GNU General Public License as published by *
  24  * the Free Software Foundation; either version 2 of the License, or    *
  25  * (at your option) any later version.                                  *
  26  *                                                                      *
  27  * This program is distributed in the hope that it will be useful,      *
  28  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  30  * GNU General Public License for more details.                         *
  31  *                                                                      *
  32  * You should have received a copy of the GNU General Public License    *
  33  * along with this program; if not, write to the Free Software          *
  34  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  35  * MA  02110-1301  USA                                                  *
  36  ************************************************************************/
  37
  38 // Some security stuff...
  39 if (!defined('__SECURITY')) {
  40         die();
  41 } // END - if
  42
  43 // Checks whether given data is blacklisted
  44 function isGenericBlacklisted ($type, $data) {
  45         // Mark it as not listed by default
  46         $listed = FALSE;
  47
  48         // Is black-listing enbaled?
  49         if (!isGenericBlacklistEnabled($type)) {
  50                 // No, then all emails are not in this list
  51                 return FALSE;
  52         } elseif (!isset($GLOBALS['blacklist_data'][$type][$data])) {
  53                 // Check black-list for given email
  54                 $result = SQL_QUERY_ESC("SELECT
  55         `id`,
  56         `data`,
  57         `pool_id`,
  58         `provider`,
  59         `type`,
  60         UNIX_TIMESTAMP(`added`) AS `added`
  61 FROM
  62         `{?_MYSQL_PREFIX?}_blacklist`
  63 WHERE
  64         '%s' REGEXP `data` AND
  65         `type`='%s'
  66 LIMIT 1",
  67                         array(
  68                                 $data,
  69                                 strtoupper($type)
  70                         ), __FUNCTION__, __LINE__);
  71
  72                 // Is there an entry?
  73                 if (SQL_NUMROWS($result) == 1) {
  74                         // Jupp, we got one listed
  75                         $GLOBALS['blacklist_data'][$type][$data] = SQL_FETCHARRAY($result);
  76
  77                         // Mark it as listed
  78                         $listed = TRUE;
  79                 } // END - if
  80
  81                 // Free result
  82                 SQL_FREERESULT($result);
  83         } else {
  84                 // Is found in cache -> black-listed
  85                 $listed = TRUE;
  86         }
  87
  88         // Return result
  89         return $listed;
  90 }
  91
  92 // Inserts a given email (pattern) in blacklist if not found
  93 function insertEmailInBlacklist ($email, $provider = 'BLACKLIST') {
  94         // Call inner function
  95         insertGenericInBlacklist ('email', $email, NULL, $provider);
  96 }
  97
  98 // Inserts a given URL in blacklist if not found
  99 function insertUrlInBlacklist ($url, $poolId, $provider = 'BLACKLIST') {
 100         // Call inner function
 101         insertGenericInBlacklist ('url', $url, $poolId, $provider);
 102 }
 103
 104 // Inserts a given URL in blacklist if not found
 105 function insertGenericInBlacklist ($type, $data, $poolId = NULL, $provider = 'BLACKLIST') {
 106         // Is this feature turned on and is the URL not there?
 107         if (!isGenericBlacklistEnabled($type)) {
 108                 // Not enabled, then please don't call this function
 109                 reportBug(__FUNCTION__, __LINE__, 'Blacklisting of type ' . $type . ' is disabled, data=' . $data . ',poolId=' . convertZeroToNull($poolId));
 110         } elseif (!isUrlBlacklisted($data)) {
 111                 // Did not find a record so we can add it... :)
 112                 SQL_QUERY_ESC("INSERT INTO
 113         `{?_MYSQL_PREFIX?}_blacklist`
 114 (
 115         `data`,
 116         `pool_id`,
 117         `provider`,
 118         `type`
 119 ) VALUES (
 120         '%s',
 121         %s,
 122         '%s',
 123         '%s'
 124 )",
 125                 array(
 126                         $data,
 127                         convertZeroToNull($poolId),
 128                         $provider,
 129                         strtoupper($type)
 130                 ), __FUNCTION__, __LINE__);
 131         } // END - if
 132 }
 133
 134 // Checks whether given email is blacklisted
 135 function isEmailBlacklisted ($email) {
 136         // Call inner function
 137         return isGenericBlacklisted('email', $email);
 138 }
 139
 140 // Checks whether given URL is blacklisted
 141 function isUrlBlacklisted ($url) {
 142         // Call inner function
 143         return isGenericBlacklisted('url', $email);
 144 }
 145
 146 // ----------------------------------------------------------------------------
 147 //                      Configuration wrapper functions
 148 // ----------------------------------------------------------------------------
 149
 150 // Generic wrapper
 151 function isGenericBlacklistEnabled ($type) {
 152         // Is there cache?
 153         if (!isset($GLOBALS[__FUNCTION__])) {
 154                 // Determine it
 155                 $GLOBALS[__FUNCTION__] = (getConfig($type . '_blacklist') == 'Y');
 156         } // END - if
 157
 158         // Return cache
 159         return $GLOBALS[__FUNCTION__];
 160 }
 161
 162 // Wrapper to check if url_blacklist is enabled
 163 function isUrlBlacklistEnabled () {
 164         // Is there cache?
 165         if (!isset($GLOBALS[__FUNCTION__])) {
 166                 // Determine it
 167                 $GLOBALS[__FUNCTION__] = (getConfig('url_blacklist') == 'Y');
 168         } // END - if
 169
 170         // Return cache
 171         return $GLOBALS[__FUNCTION__];
 172 }
 173
 174 // Wrapper to check if email_blacklist is enabled
 175 function isEmailBlacklistEnabled () {
 176         // Is there cache?
 177         if (!isset($GLOBALS[__FUNCTION__])) {
 178                 // Determine it
 179                 $GLOBALS[__FUNCTION__] = (getConfig('email_blacklist') == 'Y');
 180         } // END - if
 181
 182         // Return cache
 183         return $GLOBALS[__FUNCTION__];
 184 }
 185
 186 // [EOF]
 187 ?>