597 lines
20 KiB
PHP
597 lines
20 KiB
PHP
<?php
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/*
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* 2007-2015 PrestaShop
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://opensource.org/licenses/osl-3.0.php
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to http://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2015 PrestaShop SA
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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class RequestSqlCore extends ObjectModel
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{
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public $name;
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public $sql;
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/**
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* @see ObjectModel::$definition
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*/
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public static $definition = array(
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'table' => 'request_sql',
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'primary' => 'id_request_sql',
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'fields' => array(
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'name' => array('type' => self::TYPE_STRING, 'validate' => 'isString', 'required' => true, 'size' => 200),
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'sql' => array('type' => self::TYPE_SQL, 'validate' => 'isString', 'required' => true),
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),
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);
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/** @var array : List of params to tested */
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public $tested = array(
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'required' => array('SELECT', 'FROM'),
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'option' => array('WHERE', 'ORDER', 'LIMIT', 'HAVING', 'GROUP', 'UNION'),
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'operator' => array(
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'AND', '&&', 'BETWEEN', 'AND', 'BINARY', '&', '~', '|', '^', 'CASE', 'WHEN', 'END', 'DIV', '/', '<=>', '=', '>=',
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'>', 'IS', 'NOT', 'NULL', '<<', '<=', '<', 'LIKE', '-', '%', '!=', '<>', 'REGEXP', '!', '||', 'OR', '+', '>>', 'RLIKE', 'SOUNDS', '*',
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'-', 'XOR', 'IN'
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),
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'function' => array(
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'AVG', 'SUM', 'COUNT', 'MIN', 'MAX', 'STDDEV', 'STDDEV_SAMP', 'STDDEV_POP', 'VARIANCE', 'VAR_SAMP', 'VAR_POP',
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'GROUP_CONCAT', 'BIT_AND', 'BIT_OR', 'BIT_XOR'
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),
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'unauthorized' => array(
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'DELETE', 'ALTER', 'INSERT', 'REPLACE', 'CREATE', 'TRUNCATE', 'OPTIMIZE', 'GRANT', 'REVOKE', 'SHOW', 'HANDLER',
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'LOAD', 'ROLLBACK', 'SAVEPOINT', 'UNLOCK', 'INSTALL', 'UNINSTALL', 'ANALZYE', 'BACKUP', 'CHECK', 'CHECKSUM', 'REPAIR', 'RESTORE', 'CACHE',
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'DESCRIBE', 'EXPLAIN', 'USE', 'HELP', 'SET', 'DUPLICATE', 'VALUES', 'INTO', 'RENAME', 'CALL', 'PROCEDURE', 'FUNCTION', 'DATABASE', 'SERVER',
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'LOGFILE', 'DEFINER', 'RETURNS', 'EVENT', 'TABLESPACE', 'VIEW', 'TRIGGER', 'DATA', 'DO', 'PASSWORD', 'USER', 'PLUGIN', 'FLUSH', 'KILL',
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'RESET', 'START', 'STOP', 'PURGE', 'EXECUTE', 'PREPARE', 'DEALLOCATE', 'LOCK', 'USING', 'DROP', 'FOR', 'UPDATE', 'BEGIN', 'BY', 'ALL', 'SHARE',
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'MODE', 'TO','KEY', 'DISTINCTROW', 'DISTINCT', 'HIGH_PRIORITY', 'LOW_PRIORITY', 'DELAYED', 'IGNORE', 'FORCE', 'STRAIGHT_JOIN',
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'SQL_SMALL_RESULT', 'SQL_BIG_RESULT', 'QUICK', 'SQL_BUFFER_RESULT', 'SQL_CACHE', 'SQL_NO_CACHE', 'SQL_CALC_FOUND_ROWS', 'WITH'
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)
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);
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public $attributes = array(
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'passwd' => '*******************',
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'secure_key' => '*******************'
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);
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/** @var array : list of errors */
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public $error_sql = array();
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/**
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* Get list of request SQL
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*
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* @return array|bool
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*/
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public static function getRequestSql()
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{
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if (!$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT * FROM `'._DB_PREFIX_.'request_sql` ORDER BY `id_request_sql`')) {
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return false;
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}
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$request_sql = array();
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foreach ($result as $row) {
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$request_sql[] = $row['sql'];
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}
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return $request_sql;
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}
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/**
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* Get list of request SQL by id request
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*
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* @param $id
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* @return array
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*/
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public static function getRequestSqlById($id)
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{
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return Db::getInstance()->executeS('SELECT `sql` FROM `'._DB_PREFIX_.'request_sql` WHERE `id_request_sql` = '.(int)$id);
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}
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/**
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* Call the parserSQL() method in Tools class
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* Cut the request in table for check it
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*
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* @param $sql
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* @return bool
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*/
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public function parsingSql($sql)
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{
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return Tools::parserSQL($sql);
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}
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/**
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* Check if the parsing of the SQL request is good or not
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*
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* @param $tab
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* @param bool $in
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* @param $sql
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* @return bool
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*/
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public function validateParser($tab, $in = false, $sql)
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{
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if (!$tab) {
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return false;
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} elseif (isset($tab['UNION'])) {
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$union = $tab['UNION'];
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foreach ($union as $tab) {
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if (!$this->validateSql($tab, $in, $sql)) {
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return false;
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}
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}
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return true;
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} else {
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return $this->validateSql($tab, $in, $sql);
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}
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}
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/**
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* Cut the request for check each cutting
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*
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* @param $tab
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* @param $in
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* @param $sql
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* @return bool
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*/
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public function validateSql($tab, $in, $sql)
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{
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if (!$this->testedRequired($tab)) {
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return false;
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} elseif (!$this->testedUnauthorized($tab)) {
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return false;
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} elseif (!$this->checkedFrom($tab['FROM'])) {
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return false;
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} elseif (!$this->checkedSelect($tab['SELECT'], $tab['FROM'], $in)) {
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return false;
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} elseif (isset($tab['WHERE'])) {
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if (!$this->checkedWhere($tab['WHERE'], $tab['FROM'], $sql)) {
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return false;
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}
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} elseif (isset($tab['HAVING'])) {
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if (!$this->checkedHaving($tab['HAVING'], $tab['FROM'])) {
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return false;
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}
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} elseif (isset($tab['ORDER'])) {
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if (!$this->checkedOrder($tab['ORDER'], $tab['FROM'])) {
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return false;
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}
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} elseif (isset($tab['GROUP'])) {
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if (!$this->checkedGroupBy($tab['GROUP'], $tab['FROM'])) {
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return false;
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}
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} elseif (isset($tab['LIMIT'])) {
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if (!$this->checkedLimit($tab['LIMIT'])) {
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return false;
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}
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}
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if (empty($this->_errors) && !Db::getInstance()->executeS($sql)) {
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return false;
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}
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return true;
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}
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/**
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* Get list of all tables
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*
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* @return array
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*/
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public function getTables()
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{
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$results = Db::getInstance()->executeS('SHOW TABLES');
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foreach ($results as $result) {
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$key = array_keys($result);
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$tables[] = $result[$key[0]];
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}
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return $tables;
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}
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/**
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* Get list of all attributes by an table
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*
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* @param $table
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* @return array
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*/
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public function getAttributesByTable($table)
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{
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return Db::getInstance()->executeS('DESCRIBE '.pSQL($table));
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}
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/**
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* Cut an join sentence
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*
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* @param $attrs
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* @param $from
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* @return array|bool
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*/
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public function cutJoin($attrs, $from)
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{
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$tab = array();
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foreach ($attrs as $attr) {
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if (in_array($attr['expr_type'], array('operator', 'const'))) {
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continue;
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}
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if ($attribut = $this->cutAttribute($attr['base_expr'], $from)) {
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$tab[] = $attribut;
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}
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}
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return $tab;
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}
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/**
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* Cut an attribute with or without the alias
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*
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* @param $attr
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* @param $from
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* @return array|bool
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*/
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public function cutAttribute($attr, $from)
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{
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$matches = array();
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if (preg_match('/((`(\()?([a-z0-9_])+`(\))?)|((\()?([a-z0-9_])+(\))?))\.((`(\()?([a-z0-9_])+`(\))?)|((\()?([a-z0-9_])+(\))?))$/i', $attr, $matches, PREG_OFFSET_CAPTURE)) {
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$tab = explode('.', str_replace(array('`', '(', ')'), '', $matches[0][0]));
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if ($table = $this->returnNameTable($tab[0], $from)) {
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return array(
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'table' => $table,
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'alias' => $tab[0],
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'attribut' => $tab[1],
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'string' => $attr
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);
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}
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} elseif (preg_match('/((`(\()?([a-z0-9_])+`(\))?)|((\()?([a-z0-9_])+(\))?))$/i', $attr, $matches, PREG_OFFSET_CAPTURE)) {
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$attribut = str_replace(array('`', '(', ')'), '', $matches[0][0]);
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if ($table = $this->returnNameTable(false, $from, $attr)) {
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return array(
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'table' => $table,
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'attribut' => $attribut,
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'string' => $attr
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);
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}
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}
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return false;
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}
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/**
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* Get name of table by alias
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*
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* @param bool $alias
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* @param $tables
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* @return array|bool
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*/
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public function returnNameTable($alias = false, $tables, $attr = null)
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{
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if ($alias) {
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foreach ($tables as $table) {
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if (isset($table['alias']) && isset($table['table']) && $table['alias']['no_quotes'] == $alias) {
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return array($table['table']);
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}
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}
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} elseif (count($tables) > 1) {
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if ($attr !== null) {
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$tab = array();
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foreach ($tables as $table) {
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if ($this->attributExistInTable($attr, $table['table'])) {
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$tab = $table['table'];
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}
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}
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if (count($tab) == 1) {
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return $tab;
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}
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}
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$this->error_sql['returnNameTable'] = false;
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return false;
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} else {
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$tab = array();
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foreach ($tables as $table) {
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$tab[] = $table['table'];
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}
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return $tab;
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}
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}
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/**
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* Check if an attributes existe in an table
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*
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* @param $attr
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* @param $table
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* @return bool
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*/
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public function attributExistInTable($attr, $table)
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{
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if (!$attr) {
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return true;
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}
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if (is_array($table) && (count($table) == 1)) {
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$table = $table[0];
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}
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$attributs = $this->getAttributesByTable($table);
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foreach ($attributs as $attribut) {
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if ($attribut['Field'] == trim($attr, ' `')) {
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return true;
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}
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}
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return false;
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}
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/**
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* Check if all required sentence existing
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*
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* @param $tab
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* @return bool
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*/
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public function testedRequired($tab)
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{
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foreach ($this->tested['required'] as $key) {
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if (!array_key_exists($key, $tab)) {
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$this->error_sql['testedRequired'] = $key;
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return false;
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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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* Check if an unauthorized existing in an array
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*
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* @param $tab
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* @return bool
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*/
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public function testedUnauthorized($tab)
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{
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foreach ($this->tested['unauthorized'] as $key) {
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if (array_key_exists($key, $tab)) {
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$this->error_sql['testedUnauthorized'] = $key;
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return false;
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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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* Check a "FROM" sentence
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*
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* @param $from
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* @return bool
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*/
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public function checkedFrom($from)
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{
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$nb = count($from);
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for ($i = 0; $i < $nb; $i++) {
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$table = $from[$i];
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if (isset($table['table']) && !in_array(str_replace('`', '', $table['table']), $this->getTables())) {
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$this->error_sql['checkedFrom']['table'] = $table['table'];
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return false;
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}
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if ($table['ref_type'] == 'ON' && (trim($table['join_type']) == 'LEFT' || trim($table['join_type']) == 'JOIN')) {
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if ($attrs = $this->cutJoin($table['ref_clause'], $from)) {
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foreach ($attrs as $attr) {
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if (!$this->attributExistInTable($attr['attribut'], $attr['table'])) {
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$this->error_sql['checkedFrom']['attribut'] = array($attr['attribut'], implode(', ', $attr['table']));
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return false;
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}
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}
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} else {
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if (isset($this->error_sql['returnNameTable'])) {
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$this->error_sql['checkedFrom'] = $this->error_sql['returnNameTable'];
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return false;
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} else {
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$this->error_sql['checkedFrom'] = false;
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return false;
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}
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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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* Check a "SELECT" sentence
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*
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* @param $select
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* @param $from
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* @param bool $in
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* @return bool
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*/
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public function checkedSelect($select, $from, $in = false)
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{
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$nb = count($select);
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for ($i = 0; $i < $nb; $i++) {
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$attribut = $select[$i];
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if ($attribut['base_expr'] != '*' && !preg_match('/\.*$/', $attribut['base_expr'])) {
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if ($attribut['expr_type'] == 'colref') {
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if ($attr = $this->cutAttribute(trim($attribut['base_expr']), $from)) {
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if (!$this->attributExistInTable($attr['attribut'], $attr['table'])) {
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$this->error_sql['checkedSelect']['attribut'] = array($attr['attribut'], implode(', ', $attr['table']));
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return false;
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}
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} else {
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if (isset($this->error_sql['returnNameTable'])) {
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$this->error_sql['checkedSelect'] = $this->error_sql['returnNameTable'];
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return false;
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} else {
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$this->error_sql['checkedSelect'] = false;
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return false;
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}
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}
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}
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} elseif ($in) {
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$this->error_sql['checkedSelect']['*'] = false;
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return false;
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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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* Check a "WHERE" sentence
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*
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* @param $where
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* @param $from
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* @param $sql
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* @return bool
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*/
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public function checkedWhere($where, $from, $sql)
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{
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$nb = count($where);
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for ($i = 0; $i < $nb; $i++) {
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$attribut = $where[$i];
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if ($attribut['expr_type'] == 'colref' || $attribut['expr_type'] == 'reserved') {
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if ($attr = $this->cutAttribute(trim($attribut['base_expr']), $from)) {
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if (!$this->attributExistInTable($attr['attribut'], $attr['table'])) {
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$this->error_sql['checkedWhere']['attribut'] = array($attr['attribut'], implode(', ', $attr['table']));
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return false;
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}
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} else {
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if (isset($this->error_sql['returnNameTable'])) {
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$this->error_sql['checkedWhere'] = $this->error_sql['returnNameTable'];
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return false;
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} else {
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$this->error_sql['checkedWhere'] = false;
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return false;
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}
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}
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} elseif ($attribut['expr_type'] == 'operator') {
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if (!in_array(strtoupper($attribut['base_expr']), $this->tested['operator'])) {
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$this->error_sql['checkedWhere']['operator'] = array($attribut['base_expr']);
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return false;
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}
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} elseif ($attribut['expr_type'] == 'subquery') {
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$tab = $attribut['sub_tree'];
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return $this->validateParser($tab, true, $sql);
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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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* Check a "HAVING" sentence
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*
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* @param $having
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* @param $from
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* @return bool
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*/
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public function checkedHaving($having, $from)
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{
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$nb = count($having);
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for ($i = 0; $i < $nb; $i++) {
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$attribut = $having[$i];
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if ($attribut['expr_type'] == 'colref') {
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if ($attr = $this->cutAttribute(trim($attribut['base_expr']), $from)) {
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if (!$this->attributExistInTable($attr['attribut'], $attr['table'])) {
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$this->error_sql['checkedHaving']['attribut'] = array($attr['attribut'], implode(', ', $attr['table']));
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return false;
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}
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} else {
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if (isset($this->error_sql['returnNameTable'])) {
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$this->error_sql['checkedHaving'] = $this->error_sql['returnNameTable'];
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return false;
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} else {
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$this->error_sql['checkedHaving'] = false;
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return false;
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}
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}
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}
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if ($attribut['expr_type'] == 'operator') {
|
|
if (!in_array(strtoupper($attribut['base_expr']), $this->tested['operator'])) {
|
|
$this->error_sql['checkedHaving']['operator'] = array($attribut['base_expr']);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check a "ORDER" sentence
|
|
*
|
|
* @param $order
|
|
* @param $from
|
|
* @return bool
|
|
*/
|
|
public function checkedOrder($order, $from)
|
|
{
|
|
$order = $order[0];
|
|
if ($order['type'] == 'expression') {
|
|
if ($attr = $this->cutAttribute(trim($order['base_expr']), $from)) {
|
|
if (!$this->attributExistInTable($attr['attribut'], $attr['table'])) {
|
|
$this->error_sql['checkedOrder']['attribut'] = array($attr['attribut'], implode(', ', $attr['table']));
|
|
return false;
|
|
}
|
|
} else {
|
|
if (isset($this->error_sql['returnNameTable'])) {
|
|
$this->error_sql['checkedOrder'] = $this->error_sql['returnNameTable'];
|
|
return false;
|
|
} else {
|
|
$this->error_sql['checkedOrder'] = false;
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check a "GROUP BY" sentence
|
|
*
|
|
* @param $group
|
|
* @param $from
|
|
* @return bool
|
|
*/
|
|
public function checkedGroupBy($group, $from)
|
|
{
|
|
$group = $group[0];
|
|
if ($group['type'] == 'expression') {
|
|
if ($attr = $this->cutAttribute(trim($group['base_expr']), $from)) {
|
|
if (!$this->attributExistInTable($attr['attribut'], $attr['table'])) {
|
|
$this->error_sql['checkedGroupBy']['attribut'] = array($attr['attribut'], implode(', ', $attr['table']));
|
|
return false;
|
|
}
|
|
} else {
|
|
if (isset($this->error_sql['returnNameTable'])) {
|
|
$this->error_sql['checkedGroupBy'] = $this->error_sql['returnNameTable'];
|
|
return false;
|
|
} else {
|
|
$this->error_sql['checkedGroupBy'] = false;
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check a "LIMIT" sentence
|
|
*
|
|
* @param $limit
|
|
* @return bool
|
|
*/
|
|
public function checkedLimit($limit)
|
|
{
|
|
if (!preg_match('#^[0-9]+$#', trim($limit['start'])) || !preg_match('#^[0-9]+$#', trim($limit['end']))) {
|
|
$this->error_sql['checkedLimit'] = false;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|