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<?php
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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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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 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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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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/**
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* WbDatabase.php
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*
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* @category Core
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* @package Core_database
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* @author Werner v.d.Decken <wkl@isteam.de>
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* @author Dietmar W. <dietmar.woellbrink@websitebaker.org>
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* @copyright Werner v.d.Decken <wkl@isteam.de>
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* @license http://www.gnu.org/licenses/gpl.html GPL License
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* @version 0.0.9
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* @revision $Revision: 1887 $
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* @lastmodified $Date: 2013-03-12 21:42:14 +0100 (Tue, 12 Mar 2013) $
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* @deprecated from WB version number 2.9
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* @description Mysql database wrapper for use with websitebaker up to version 2.8.4
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*/
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/* -------------------------------------------------------- */
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@define('DATABASE_CLASS_LOADED', true);
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class WbDatabase {
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private static $_oInstances = array();
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private $_db_handle = null; // readonly from outside
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private $_db_name = '';
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protected $sTablePrefix = '';
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protected $sCharset = 'utf8';
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protected $connected = false;
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protected $error = '';
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protected $error_type = '';
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protected $iQueryCount = 0;
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/* prevent from public instancing */
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protected function __construct() {}
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/* prevent from cloning */
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private function __clone() {}
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/**
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* get a valid instance of this class
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* @param string $sIdentifier selector for several different instances
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* @return object
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*/
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public static function getInstance($sIdentifier = 'core') {
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if( !isset(self::$_oInstances[$sIdentifier])) {
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$c = __CLASS__;
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self::$_oInstances[$sIdentifier] = new $c;
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}
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return self::$_oInstances[$sIdentifier];
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}
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/**
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* disconnect and kills an existing instance
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* @param string $sIdentifier
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*/
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public static function killInstance($sIdentifier) {
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if($sIdentifier != 'core') {
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if( isset(self::$_oInstances[$sIdentifier])) {
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self::$_oInstances[$sIdentifier]->disconnect();
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unset(self::$_oInstances[$sIdentifier]);
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}
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}
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}
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/**
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* Connect to the database
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* @param string $url
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* @return bool
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*
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* Example for SQL-Url: 'mysql://user:password@demo.de[:3306]/datenbank'
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*/
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public function doConnect($url = '') {
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$this->connected = false;
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if($url != '') {
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$aIni = parse_url($url);
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$scheme = isset($aIni['scheme']) ? $aIni['scheme'] : 'mysql';
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$hostname = isset($aIni['host']) ? $aIni['host'] : '';
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$username = isset($aIni['user']) ? $aIni['user'] : '';
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$password = isset($aIni['pass']) ? $aIni['pass'] : '';
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$hostport = isset($aIni['port']) ? $aIni['port'] : '3306';
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$hostport = $hostport == '3306' ? '' : ':'.$hostport;
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$db_name = ltrim(isset($aIni['path']) ? $aIni['path'] : '', '/\\');
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$sTmp = isset($aIni['query']) ? $aIni['query'] : '';
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$aQuery = explode('&', $sTmp);
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foreach($aQuery as $sArgument) {
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$aArg = explode('=', $sArgument);
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switch(strtolower($aArg[0])) {
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case 'charset':
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$this->sCharset = strtolower(preg_replace('/[^a-z0-9]/i', '', $aArg[1]));
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break;
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case 'tableprefix':
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$this->sTablePrefix = $aArg[1];
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break;
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default:
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break;
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}
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}
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$this->_db_name = $db_name;
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}else {
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throw new WbDatabaseException('Missing parameter: unable to connect database');
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}
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$this->_db_handle = @mysql_connect($hostname.$hostport,
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$username,
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$password);
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if(!$this->_db_handle) {
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throw new WbDatabaseException('unable to connect \''.$scheme.'://'.
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$hostname.$hostport.'\'');
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} else {
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if(!@mysql_select_db($db_name)) {
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throw new WbDatabaseException('unable to select database \''.$db_name.
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'\' on \''.$scheme.'://'.
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$hostname.$hostport.'\'');
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} else {
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if($this->sCharset) {
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@mysql_query('SET NAMES \''.$this->sCharset.'\'');
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}
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$this->connected = true;
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}
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}
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return $this->connected;
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}
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// Disconnect from the database
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public function disconnect() {
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if($this->connected==true) {
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mysql_close($this->_db_handle);
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return true;
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} else {
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return false;
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}
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}
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// Run a query
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public function query($statement) {
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$this->iQueryCount++;
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$mysql = new mysql();
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$mysql->query($statement, $this->_db_handle);
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$this->set_error($mysql->error($this->_db_handle));
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if($mysql->error($this->_db_handle)) {
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return null;
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} else {
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return $mysql;
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}
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}
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// Gets the first column of the first row
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public function get_one( $statement )
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{
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$this->iQueryCount++;
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$fetch_row = mysql_fetch_array(mysql_query($statement, $this->_db_handle));
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$result = $fetch_row[0];
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$this->set_error(mysql_error($this->_db_handle));
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if(mysql_error($this->_db_handle)) {
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return null;
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} else {
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return $result;
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}
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}
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// Set the DB error
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public function set_error($message = null) {
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global $TABLE_DOES_NOT_EXIST, $TABLE_UNKNOWN;
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$this->error = $message;
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if(strpos($message, 'no such table')) {
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$this->error_type = $TABLE_DOES_NOT_EXIST;
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} else {
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$this->error_type = $TABLE_UNKNOWN;
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}
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}
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// Return true if there was an error
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public function is_error() {
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return (!empty($this->error)) ? true : false;
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}
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// Return the error
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public function get_error() {
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return $this->error;
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}
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/**
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* Protect class from property injections
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* @param string name of property
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* @param mixed value
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* @throws WbDatabaseException
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*/
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public function __set($name, $value) {
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throw new WbDatabaseException('tried to set a readonly or nonexisting property ['.$name.']!! ');
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}
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/**
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* default Getter for some properties
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* @param string name of the Property
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* @return mixed NULL on error or missing property
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*/
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public function __get($sPropertyName)
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{
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switch ($sPropertyName):
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case 'db_handle':
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case 'DbHandle':
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case 'getDbHandle':
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$retval = $this->_db_handle;
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break;
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case 'LastInsertId':
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case 'getLastInsertId':
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$retval = mysql_insert_id($this->_db_handle);
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break;
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case 'db_name':
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case 'DbName':
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case 'getDbName':
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$retval = $this->_db_name;
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break;
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case 'TablePrefix':
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case 'getTablePrefix':
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$retval = $this->sTablePrefix;
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break;
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case 'getQueryCount':
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$retval = $this->iQueryCount;
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break;
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default:
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$retval = null;
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break;
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endswitch;
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return $retval;
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} // __get()
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/**
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* Escapes special characters in a string for use in an SQL statement
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* @param string $unescaped_string
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* @return string
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*/
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public function escapeString($unescaped_string)
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{
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return mysql_real_escape_string($unescaped_string, $this->_db_handle);
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}
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/**
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* Last inserted Id
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* @return bool|int false on error, 0 if no record inserted
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*/
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public function getLastInsertId()
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{
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return mysql_insert_id($this->_db_handle);
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}
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255
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/*
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* @param string full name of the table (incl. TABLE_PREFIX)
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257
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* @param string name of the field to seek for
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258
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* @return bool true if field exists
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259
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*/
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260
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public function field_exists($table_name, $field_name)
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261
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{
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$sql = 'DESCRIBE `'.$table_name.'` `'.$field_name.'` ';
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$query = $this->query($sql, $this->_db_handle);
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return ($query->numRows() != 0);
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265
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}
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266
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/*
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267
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* @param string full name of the table (incl. TABLE_PREFIX)
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268
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* @param string name of the index to seek for
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269
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* @return bool true if field exists
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270
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*/
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271
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public function index_exists($table_name, $index_name, $number_fields = 0)
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{
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273
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$number_fields = intval($number_fields);
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274
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$keys = 0;
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275
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$sql = 'SHOW INDEX FROM `'.$table_name.'`';
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if( ($res_keys = $this->query($sql, $this->_db_handle)) )
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{
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278
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while(($rec_key = $res_keys->fetchRow()))
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279
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{
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280
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if( $rec_key['Key_name'] == $index_name )
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281
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{
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282
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$keys++;
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283
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}
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284
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}
|
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285
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286
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}
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287
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if( $number_fields == 0 )
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288
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{
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289
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return ($keys != $number_fields);
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290
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}else
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291
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{
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292
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return ($keys == $number_fields);
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293
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}
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294
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}
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295
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|
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296
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/*
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297
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* @param string full name of the table (incl. TABLE_PREFIX)
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298
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* @param string name of the field to add
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299
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* @param string describes the new field like ( INT NOT NULL DEFAULT '0')
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300
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* @return bool true if successful, otherwise false and error will be set
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|
301
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*/
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302
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public function field_add($table_name, $field_name, $description)
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303
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{
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304
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if( !$this->field_exists($table_name, $field_name) )
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305
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{ // add new field into a table
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306
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$sql = 'ALTER TABLE `'.$table_name.'` ADD '.$field_name.' '.$description.' ';
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307
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$query = $this->query($sql, $this->_db_handle);
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308
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$this->set_error(mysql_error($this->_db_handle));
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309
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if( !$this->is_error() )
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310
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{
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311
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return ( $this->field_exists($table_name, $field_name) ) ? true : false;
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312
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}
|
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313
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}else
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314
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{
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315
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$this->set_error('field \''.$field_name.'\' already exists');
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316
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}
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317
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return false;
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318
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}
|
|
319
|
|
|
320
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/*
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|
321
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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322
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* @param string $field_name: name of the field to add
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323
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* @param string $description: describes the new field like ( INT NOT NULL DEFAULT '0')
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324
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* @return bool: true if successful, otherwise false and error will be set
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325
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*/
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|
326
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public function field_modify($table_name, $field_name, $description)
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327
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{
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328
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$retval = false;
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329
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if( $this->field_exists($table_name, $field_name) )
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330
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{ // modify a existing field in a table
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331
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$sql = 'ALTER TABLE `'.$table_name.'` MODIFY `'.$field_name.'` '.$description;
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332
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$retval = ( $this->query($sql, $this->_db_handle) ? true : false);
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333
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$this->set_error(mysql_error());
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|
334
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}
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335
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return $retval;
|
|
336
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}
|
|
337
|
|
|
338
|
/*
|
|
339
|
* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
|
|
340
|
* @param string $field_name: name of the field to remove
|
|
341
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* @return bool: true if successful, otherwise false and error will be set
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|
342
|
*/
|
|
343
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public function field_remove($table_name, $field_name)
|
|
344
|
{
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345
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$retval = false;
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346
|
if( $this->field_exists($table_name, $field_name) )
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347
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{ // modify a existing field in a table
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348
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$sql = 'ALTER TABLE `'.$table_name.'` DROP `'.$field_name.'`';
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349
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$retval = ( $this->query($sql, $this->_db_handle) ? true : false );
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|
350
|
}
|
|
351
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return $retval;
|
|
352
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}
|
|
353
|
|
|
354
|
/*
|
|
355
|
* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
|
|
356
|
* @param string $index_name: name of the new index (empty string for PRIMARY)
|
|
357
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* @param string $field_list: comma seperated list of fields for this index
|
|
358
|
* @param string $index_type: kind of index (PRIMARY, UNIQUE, KEY, FULLTEXT)
|
|
359
|
* @return bool: true if successful, otherwise false and error will be set
|
|
360
|
*/
|
|
361
|
public function index_add($table_name, $index_name, $field_list, $index_type = 'KEY')
|
|
362
|
{
|
|
363
|
$retval = false;
|
|
364
|
$field_list = explode(',', (str_replace(' ', '', $field_list)));
|
|
365
|
$number_fields = sizeof($field_list);
|
|
366
|
$field_list = '`'.implode('`,`', $field_list).'`';
|
|
367
|
$index_name = $index_type == 'PRIMARY' ? $index_type : $index_name;
|
|
368
|
if( $this->index_exists($table_name, $index_name, $number_fields) ||
|
|
369
|
$this->index_exists($table_name, $index_name))
|
|
370
|
{
|
|
371
|
$sql = 'ALTER TABLE `'.$table_name.'` ';
|
|
372
|
$sql .= 'DROP INDEX `'.$index_name.'`';
|
|
373
|
if( !$this->query($sql, $this->_db_handle)) { return false; }
|
|
374
|
}
|
|
375
|
$sql = 'ALTER TABLE `'.$table_name.'` ';
|
|
376
|
$sql .= 'ADD '.$index_type.' ';
|
|
377
|
$sql .= $index_type == 'PRIMARY' ? 'KEY ' : '`'.$index_name.'` ';
|
|
378
|
$sql .= '( '.$field_list.' ); ';
|
|
379
|
if( $this->query($sql, $this->_db_handle)) { $retval = true; }
|
|
380
|
return $retval;
|
|
381
|
}
|
|
382
|
|
|
383
|
/*
|
|
384
|
* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
|
|
385
|
* @param string $field_name: name of the field to remove
|
|
386
|
* @return bool: true if successful, otherwise false and error will be set
|
|
387
|
*/
|
|
388
|
public function index_remove($table_name, $index_name)
|
|
389
|
{
|
|
390
|
$retval = false;
|
|
391
|
if( $this->index_exists($table_name, $index_name) )
|
|
392
|
{ // modify a existing field in a table
|
|
393
|
$sql = 'ALTER TABLE `'.$table_name.'` DROP INDEX `'.$index_name.'`';
|
|
394
|
$retval = ( $this->query($sql, $this->_db_handle) ? true : false );
|
|
395
|
}
|
|
396
|
return $retval;
|
|
397
|
}
|
|
398
|
|
|
399
|
/**
|
|
400
|
* Import a standard *.sql dump file
|
|
401
|
* @param string $sSqlDump link to the sql-dumpfile
|
|
402
|
* @param string $sTablePrefix
|
|
403
|
* @param bool $bPreserve set to true will ignore all DROP TABLE statements
|
|
404
|
* @param string $sEngine can be 'MyISAM' or 'InnoDB'
|
|
405
|
* @param string $sCollation one of the list of available collations
|
|
406
|
* @return boolean true if import successful
|
|
407
|
*/
|
|
408
|
public function SqlImport($sSqlDump,
|
|
409
|
$sTablePrefix = '',
|
|
410
|
$bPreserve = true,
|
|
411
|
$sEngine = 'MyISAM',
|
|
412
|
$sCollation = 'utf8_unicode_ci')
|
|
413
|
{
|
|
414
|
$sCollation = ($sCollation != '' ? $sCollation : 'utf8_unicode_ci');
|
|
415
|
$aCharset = preg_split('/_/', $sCollation, null, PREG_SPLIT_NO_EMPTY);
|
|
416
|
$sEngine = 'ENGINE='.$sEngine.' DEFAULT CHARSET='.$aCharset[0].' COLLATE='.$sCollation;
|
|
417
|
$sCollation = ' collate '.$sCollation;
|
|
418
|
$retval = true;
|
|
419
|
$this->error = '';
|
|
420
|
$aSearch = array('{TABLE_PREFIX}','{TABLE_ENGINE}', '{TABLE_COLLATION}');
|
|
421
|
$aReplace = array($this->sTablePrefix, $sEngine, $sCollation);
|
|
422
|
$sql = '';
|
|
423
|
$aSql = file($sSqlDump);
|
|
424
|
while ( sizeof($aSql) > 0 ) {
|
|
425
|
$sSqlLine = trim(array_shift($aSql));
|
|
426
|
if (!preg_match('/^[-\/]+.*/', $sSqlLine)) {
|
|
427
|
$sql = $sql.' '.$sSqlLine;
|
|
428
|
if ((substr($sql,-1,1) == ';')) {
|
|
429
|
$sql = trim(str_replace( $aSearch, $aReplace, $sql));
|
|
430
|
if (!($bPreserve && preg_match('/^\s*DROP TABLE IF EXISTS/siU', $sql))) {
|
|
431
|
if(!mysql_query($sql, $this->_db_handle)) {
|
|
432
|
$retval = false;
|
|
433
|
$this->error = mysql_error($this->_db_handle);
|
|
434
|
unset($aSql);
|
|
435
|
break;
|
|
436
|
}
|
|
437
|
}
|
|
438
|
$sql = '';
|
|
439
|
}
|
|
440
|
}
|
|
441
|
}
|
|
442
|
return $retval;
|
|
443
|
}
|
|
444
|
|
|
445
|
/**
|
|
446
|
* retuns the type of the engine used for requested table
|
|
447
|
* @param string $table name of the table, including prefix
|
|
448
|
* @return boolean/string false on error, or name of the engine (myIsam/InnoDb)
|
|
449
|
*/
|
|
450
|
public function getTableEngine($table)
|
|
451
|
{
|
|
452
|
$retVal = false;
|
|
453
|
$mysqlVersion = mysql_get_server_info($this->_db_handle);
|
|
454
|
$engineValue = (version_compare($mysqlVersion, '5.0') < 0) ? 'Type' : 'Engine';
|
|
455
|
$sql = 'SHOW TABLE STATUS FROM `' . $this->_db_name . '` LIKE \'' . $table . '\'';
|
|
456
|
if(($result = $this->query($sql, $this->_db_handle))) {
|
|
457
|
if(($row = $result->fetchRow(MYSQL_ASSOC))) {
|
|
458
|
$retVal = $row[$engineValue];
|
|
459
|
}
|
|
460
|
}
|
|
461
|
return $retVal;
|
|
462
|
}
|
|
463
|
|
|
464
|
|
|
465
|
} /// end of class database
|
|
466
|
// //////////////////////////////////////////////////////////////////////////////////// //
|
|
467
|
/**
|
|
468
|
* WbDatabaseException
|
|
469
|
*
|
|
470
|
* @category Core
|
|
471
|
* @package Core_database
|
|
472
|
* @author Werner v.d.Decken <wkl@isteam.de>
|
|
473
|
* @copyright Werner v.d.Decken <wkl@isteam.de>
|
|
474
|
* @license http://www.gnu.org/licenses/gpl.html GPL License
|
|
475
|
* @version 2.9.0
|
|
476
|
* @revision $Revision: 1887 $
|
|
477
|
* @lastmodified $Date: 2013-03-12 21:42:14 +0100 (Tue, 12 Mar 2013) $
|
|
478
|
* @description Exceptionhandler for the WbDatabase and depending classes
|
|
479
|
*/
|
|
480
|
class WbDatabaseException extends AppException {}
|
|
481
|
|
|
482
|
define('MYSQL_SEEK_FIRST', 0);
|
|
483
|
define('MYSQL_SEEK_LAST', -1);
|
|
484
|
|
|
485
|
class mysql {
|
|
486
|
|
|
487
|
private $result = null;
|
|
488
|
private $_db_handle = null;
|
|
489
|
// Run a query
|
|
490
|
function query($statement, $dbHandle) {
|
|
491
|
$this->_db_handle = $dbHandle;
|
|
492
|
$this->result = mysql_query($statement, $this->_db_handle);
|
|
493
|
$this->error = mysql_error($this->_db_handle);
|
|
494
|
return $this->result;
|
|
495
|
}
|
|
496
|
|
|
497
|
// Fetch num rows
|
|
498
|
function numRows() {
|
|
499
|
return mysql_num_rows($this->result);
|
|
500
|
}
|
|
501
|
|
|
502
|
// Fetch row $typ = MYSQL_ASSOC, MYSQL_NUM, MYSQL_BOTH
|
|
503
|
function fetchRow($typ = MYSQL_BOTH) {
|
|
504
|
return mysql_fetch_array($this->result, $typ);
|
|
505
|
}
|
|
506
|
|
|
507
|
function rewind()
|
|
508
|
{
|
|
509
|
return $this->seekRow();
|
|
510
|
}
|
|
511
|
|
|
512
|
function seekRow( $position = MYSQL_SEEK_FIRST )
|
|
513
|
{
|
|
514
|
$pmax = $this->numRows() - 1;
|
|
515
|
$p = (($position < 0 || $position > $pmax) ? $pmax : $position);
|
|
516
|
return mysql_data_seek($this->result, $p);
|
|
517
|
}
|
|
518
|
|
|
519
|
// Get error
|
|
520
|
function error() {
|
|
521
|
if(isset($this->error)) {
|
|
522
|
return $this->error;
|
|
523
|
} else {
|
|
524
|
return null;
|
|
525
|
}
|
|
526
|
}
|
|
527
|
|
|
528
|
}
|
|
529
|
// //////////////////////////////////////////////////////////////////////////////////// //
|
|
530
|
/* this function is placed inside this file temporarely until a better place is found */
|
|
531
|
/* function to update a var/value-pair(s) in table ****************************
|
|
532
|
* nonexisting keys are inserted
|
|
533
|
* @param string $table: name of table to use (without prefix)
|
|
534
|
* @param mixed $key: a array of key->value pairs to update
|
|
535
|
* or a string with name of the key to update
|
|
536
|
* @param string $value: a sting with needed value, if $key is a string too
|
|
537
|
* @return bool: true if any keys are updated, otherwise false
|
|
538
|
*/
|
|
539
|
function db_update_key_value($table, $key, $value = '')
|
|
540
|
{
|
|
541
|
global $database;
|
|
542
|
if( !is_array($key))
|
|
543
|
{
|
|
544
|
if( trim($key) != '' )
|
|
545
|
{
|
|
546
|
$key = array( trim($key) => trim($value) );
|
|
547
|
} else {
|
|
548
|
$key = array();
|
|
549
|
}
|
|
550
|
}
|
|
551
|
$retval = true;
|
|
552
|
foreach( $key as $index=>$val)
|
|
553
|
{
|
|
554
|
$index = strtolower($index);
|
|
555
|
$sql = 'SELECT COUNT(`setting_id`) '
|
|
556
|
. 'FROM `'.TABLE_PREFIX.$table.'` '
|
|
557
|
. 'WHERE `name` = \''.$index.'\' ';
|
|
558
|
if($database->get_one($sql))
|
|
559
|
{
|
|
560
|
$sql = 'UPDATE ';
|
|
561
|
$sql_where = 'WHERE `name` = \''.$index.'\'';
|
|
562
|
}else {
|
|
563
|
$sql = 'INSERT INTO ';
|
|
564
|
$sql_where = '';
|
|
565
|
}
|
|
566
|
$sql .= '`'.TABLE_PREFIX.$table.'` ';
|
|
567
|
$sql .= 'SET `name` = \''.$index.'\', ';
|
|
568
|
$sql .= '`value` = \''.$val.'\' '.$sql_where;
|
|
569
|
if( !$database->query($sql) )
|
|
570
|
{
|
|
571
|
$retval = false;
|
|
572
|
}
|
|
573
|
}
|
|
574
|
return $retval;
|
|
575
|
}
|