55f27feb78
We throttle registrations by IP. We record IP address of each registration, and if too many registrations have been done by the same IP address in the time interval, we reject the registration.
125 lines
3.6 KiB
PHP
125 lines
3.6 KiB
PHP
<?php
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/**
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* Data class for storing IP addresses of new registrants.
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*
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* PHP version 5
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*
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* @category Data
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
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/**
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* Data class for storing IP addresses of new registrants.
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*
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* @category Spam
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*/
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class Registration_ip extends Memcached_DataObject
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{
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public $__table = 'registration_ip'; // table name
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public $user_id; // int(4) primary_key not_null
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public $ipaddress; // varchar(15)
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public $created; // timestamp
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/**
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* Get an instance by key
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*
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* @param string $k Key to use to lookup (usually 'user_id' for this class)
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* @param mixed $v Value to lookup
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*
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* @return User_greeting_count object found, or null for no hits
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*
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*/
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function staticGet($k, $v=null)
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{
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return Memcached_DataObject::staticGet('Registration_ip', $k, $v);
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}
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/**
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* return table definition for DB_DataObject
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*
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* @return array array of column definitions
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*/
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function table()
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{
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return array('user_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
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'ipaddress' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
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'created' => DB_DATAOBJECT_MYSQLTIMESTAMP + DB_DATAOBJECT_NOTNULL);
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}
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/**
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* return key definitions for DB_DataObject
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*
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* DB_DataObject needs to know about keys that the table has; this function
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* defines them.
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*
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* @return array key definitions
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*/
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function keys()
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{
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return array('user_id' => 'K');
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}
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/**
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* return key definitions for Memcached_DataObject
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*
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* Our caching system uses the same key definitions, but uses a different
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* method to get them.
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*
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* @return array key definitions
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*/
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function keyTypes()
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{
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return $this->keys();
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}
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/**
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* Magic formula for non-autoincrementing integer primary keys
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*
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* If a table has a single integer column as its primary key, DB_DataObject
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* assumes that the column is auto-incrementing and makes a sequence table
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* to do this incrementation. Since we don't need this for our class, we
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* overload this method and return the magic formula that DB_DataObject needs.
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*
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* @return array magic three-false array that stops auto-incrementing.
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*/
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function sequenceKey()
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{
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return array(false, false, false);
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}
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}
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