286 lines
7.4 KiB
PHP
286 lines
7.4 KiB
PHP
<?php
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/**
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* PHPIDS
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*
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* Requirements: PHP5, SimpleXML
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*
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* Copyright (c) 2008 PHPIDS group (http://php-ids.org)
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*
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* PHPIDS is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, version 3 of the License, or
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* (at your option) any later version.
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*
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* PHPIDS 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with PHPIDS. If not, see <http://www.gnu.org/licenses/>.
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*
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* PHP version 5.1.6+
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*
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* @category Security
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* @package PHPIDS
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* @author Mario Heiderich <mario.heiderich@gmail.com>
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* @author Christian Matthies <ch0012@gmail.com>
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* @author Lars Strojny <lars@strojny.net>
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* @license http://www.gnu.org/licenses/lgpl.html LGPL
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* @link http://php-ids.org/
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*/
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require_once 'IDS/Log/Interface.php';
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/*
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* Needed SQL:
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*
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CREATE DATABASE IF NOT EXISTS `phpids` DEFAULT CHARACTER
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SET utf8 COLLATE utf8_general_ci;
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DROP TABLE IF EXISTS `intrusions`;
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CREATE TABLE IF NOT EXISTS `intrusions` (
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`id` int(11) unsigned NOT null auto_increment,
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`name` varchar(128) NOT null,
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`value` text NOT null,
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`page` varchar(255) NOT null,
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`ip` varchar(15) NOT null,
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`impact` int(11) unsigned NOT null,
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`origin` varchar(15) NOT null,
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`created` datetime NOT null,
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PRIMARY KEY (`id`)
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) ENGINE=MyISAM ;
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*
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*
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*
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*/
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/**
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* Database logging wrapper
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*
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* The database wrapper is designed to store reports into an sql database. It
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* implements the singleton pattern and is based in PDO, supporting
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* different database types.
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*
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* @category Security
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* @package PHPIDS
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* @author Christian Matthies <ch0012@gmail.com>
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* @author Mario Heiderich <mario.heiderich@gmail.com>
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* @author Lars Strojny <lars@strojny.net>
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* @copyright 2007 The PHPIDS Group
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* @license http://www.gnu.org/licenses/lgpl.html LGPL
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* @version Release: $Id:Database.php 517 2007-09-15 15:04:13Z mario $
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* @link http://php-ids.org/
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*/
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class IDS_Log_Database implements IDS_Log_Interface
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{
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/**
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* Database wrapper
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*
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* @var string
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*/
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private $wrapper = null;
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/**
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* Database user
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*
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* @var string
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*/
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private $user = null;
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/**
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* Database password
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*
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* @var string
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*/
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private $password = null;
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/**
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* Database table
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*
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* @var string
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*/
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private $table = null;
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/**
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* Database handle
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*
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* @var object PDO instance
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*/
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private $handle = null;
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/**
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* Prepared SQL statement
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*
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* @var string
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*/
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private $statement = null;
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/**
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* Holds current remote address
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*
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* @var string
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*/
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private $ip = 'local/unknown';
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/**
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* Instance container
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*
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* Due to the singleton pattern this class allows to initiate only one instance
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* for each database wrapper.
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*
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* @var array
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*/
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private static $instances = array();
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/**
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* Constructor
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*
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* Prepares the SQL statement
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*
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* @param mixed $config IDS_Init instance | array
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*
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* @return void
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*/
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protected function __construct($config)
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{
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if ($config instanceof IDS_Init) {
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$this->wrapper = $config->config['Logging']['wrapper'];
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$this->user = $config->config['Logging']['user'];
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$this->password = $config->config['Logging']['password'];
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$this->table = $config->config['Logging']['table'];
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} elseif (is_array($config)) {
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$this->wrapper = $config['wrapper'];
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$this->user = $config['user'];
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$this->password = $config['password'];
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$this->table = $config['table'];
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}
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// determine correct IP address
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if ($_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
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$this->ip = $_SERVER['REMOTE_ADDR'];
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} elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$this->ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
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}
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try {
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$this->handle = new PDO(
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$this->wrapper,
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$this->user,
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$this->password
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);
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$this->statement = $this->handle->prepare('
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INSERT INTO ' . $this->table . ' (
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name,
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value,
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page,
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ip,
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impact,
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origin,
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created
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)
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VALUES (
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:name,
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:value,
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:page,
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:ip,
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:impact,
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:origin,
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now()
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)
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');
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} catch (PDOException $e) {
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die('PDOException: ' . $e->getMessage());
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}
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}
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/**
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* Returns an instance of this class
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*
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* This method allows the passed argument to be either an instance of IDS_Init or
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* an array.
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*
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* @param mixed $config IDS_Init | array
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*
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* @return object $this
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*/
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public static function getInstance($config)
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{
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if ($config instanceof IDS_Init) {
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$wrapper = $config->config['Logging']['wrapper'];
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} elseif (is_array($config)) {
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$wrapper = $config['wrapper'];
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}
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if (!isset(self::$instances[$wrapper])) {
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self::$instances[$wrapper] = new IDS_Log_Database($config);
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}
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return self::$instances[$wrapper];
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}
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/**
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* Permitting to clone this object
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*
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* For the sake of correctness of a singleton pattern, this is necessary
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*
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* @return void
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*/
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private function __clone()
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{
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}
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/**
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* Stores given data into the database
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*
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* @param object $data IDS_Report instance
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*
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* @throws Exception if db error occurred
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* @return boolean
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*/
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public function execute(IDS_Report $data)
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{
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if (!isset($_SERVER['REQUEST_URI'])) {
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$_SERVER['REQUEST_URI'] = substr($_SERVER['PHP_SELF'], 1);
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if (isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING']) {
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$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
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}
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}
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foreach ($data as $event) {
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$page = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
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$ip = $this->ip;
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$this->statement->bindParam('name', $event->getName());
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$this->statement->bindParam('value', $event->getValue());
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$this->statement->bindParam('page', $page);
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$this->statement->bindParam('ip', $ip);
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$this->statement->bindParam('impact', $data->getImpact());
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$this->statement->bindParam('origin', $_SERVER['SERVER_ADDR']);
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if (!$this->statement->execute()) {
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$info = $this->statement->errorInfo();
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throw new Exception(
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$this->statement->errorCode() . ', ' . $info[1] . ', ' . $info[2]
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);
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}
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}
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return true;
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}
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}
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/**
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: sw=4 ts=4 expandtab
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*/
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