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<?php
/*
* HOMER API Engine
*
* Copyright (C) 2011-2015 Alexandr Dubovikov <alexandr.dubovikov@gmail.com>
* Copyright (C) 2011-2015 Lorenzo Mangani <lorenzo.mangani@gmail.com> QXIP B.V.
*
* The Initial Developers of the Original Code are
*
* Alexandr Dubovikov <alexandr.dubovikov@gmail.com>
* Lorenzo Mangani <lorenzo.mangani@gmail.com> QXIP B.V.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace Database;
defined( '_HOMEREXEC' ) or die( 'Restricted access' );
use \PDO;
class PDOConnector extends DefaultConnector {
private $hostname; //Database server LOCATION
private $port; //Database PORT default MYSQL
private $dbname; //Database NAME
private $username; //Database USERNAME
private $password; //Database PASSWORD
//encryption
private $encrypt = true; //set to true to use md5 encryption for the password
/* CONNECT */
protected $connection; //Our connection
protected $resultCount; //number of rows affected by a query.
function __construct($connect = 0, $host = DB_HOSTNAME, $port = DB_PORT, $db = DB_CONFIGURATION, $username = DB_USERNAME, $password = DB_PASSWORD) {
$this->hostname = $host;
$this->port = $port;
$this->dbname = $db;
$this->username = $username;
$this->password = $password;
if($connect == 1) {
$this->dbconnect();
}
}
function select_db($db) {
$this->dbname = $db;
return true;
}
function dbconnect() {
try {
$dbstring = DATABASE_DRIVER.":host=".$this->hostname. (($this->port) ? ";port=".$this->port : "" ) . ";dbname=".$this->dbname;
$this->connection = new PDO($dbstring, $this->username, $this->password);
if(DATABASE_DRIVER == "mysql") $this->executeQuery('SET time_zone = "+00:00";');
/* disable temporaly... looks like PGSQL bug for timezone selection */
//else if(DATABASE_DRIVER == "pgsql") $this->executeQuery('SET TIME ZONE ‘0′');
} catch (PDOException $e){
die($e->getMessage());
}
return;
}
//connect to database
function dbconnect_node($node) {
$host = isset ($node['host']) ? $node['host'] : $this->hostname;
$dbname = isset ($node['dbname']) ? $node['dbname'] : NULL;
$dbusername = isset ($node['dbusername']) ? $node['dbusername'] : $this->username;
$dbpassword = isset ($node['dbpassword']) ? $node['dbpassword'] : $this->password;
$dbport = isset ($node['dbport']) ? $node['dbport'] : $this->port;
if(!$host) $host = $this->hostname;
try {
$dbstring = DATABASE_DRIVER.":host=".$host.(($dbport) ? ";port=".$dbport : "" ).";dbname=".$dbname;
$this->connection = new PDO($dbstring, $dbusername, $dbpassword);
if(DATABASE_DRIVER == "mysql") $this->executeQuery('SET time_zone = "+00:00";');
else if(DATABASE_DRIVER == "pgsql") $this->executeQuery('SET TIME ZONE ‘0′');
} catch (PDOException $e){
try {
// if connection is not establish, use HOMER_HOSTNAME from configuration.php
$host = $this->hostname;
$dbstring = DATABASE_DRIVER.":host=".$host.(($this->port) ? ";port=".$this->port : "" ).";dbname=".$this->database;
$this->connection = new PDO($dbstring, $this->username, $this->password);
} catch (PDOException $e){
die($e->getMessage());
}
}
return true;
}
//prevent injection
function qry($query) {
$this->dbconnect();
$args = func_get_args();
$query = array_shift($args);
$query = str_replace("?", "%s", $query);
if (DATABASE_DRIVER == 'pgsql') $query = $this->toPgSql($query);
if (property_exists($this->connection, 'quote')) $args = array_map($this->connection->quote, $args);
array_unshift($args,$query);
$query = call_user_func_array('sprintf', $args);
$statement = $this->connection->prepare($query);
$statement->execute();
$this->resultCount = $statement->rowCount();
$result = $statement->fetch();
if ($result){
return $result;
} else {
$error = "Error";
return $result;
}
}
//prevent injection
function makeQuery($query) {
$this->dbconnect();
$args = func_get_args();
$query = array_shift($args);
$query = str_replace("?", "%s", $query);
if(DATABASE_DRIVER == 'pgsql') $query = $this->toPgSql($query);
if (property_exists($this->connection, 'quote')) $args = array_map($this->connection->quote, $args);
array_unshift($args,$query);
$query = call_user_func_array('sprintf',$args);
return $query;
}
function executeQuery($query) {
//$result = mysql_query($query);
if(DATABASE_DRIVER == 'pgsql') $query = $this->toPgSql($query);
$statement = $this->connection->prepare($query);
if($statement->execute()) {
$this->resultCount = $statement->rowCount();
return true;
} else {
error_log("Fail to execute query: [".$query."]");
error_log(print_r($statement->errorInfo(), true));
return false;
}
}
function loadObjectList($query) {
if(DATABASE_DRIVER == 'pgsql') $query = $this->toPgSql($query);
$statement = $this->connection->prepare($query);
if($statement->execute()) {
$this->resultCount = $statement->rowCount();
$result = $statement->fetchAll(PDO::FETCH_CLASS);
return $result;
} else {
error_log("Fail to execute query: [".$query."]");
error_log(print_r($statement->errorInfo(), true));
$result = array();
}
}
function loadObjectArray($query)
{
if(DATABASE_DRIVER == 'pgsql') $query = $this->toPgSql($query);
$statement = $this->connection->prepare($query);
if($statement->execute()) {
$this->resultCount = $statement->rowCount();
$result = $statement->fetchAll(PDO::FETCH_ASSOC);
} else {
error_log("Fail to execute query: [".$query."]");
error_log(print_r($statement->errorInfo(), true));
$result = array();
}
return $result;
}
function toPgSql($query) {
$query = str_replace("`", '"', $query);
return preg_replace('/[Ll][Ii][Mm][Ii][Tt]\s+([0-9]+)\s*,\s*([0-9]+)/', ' LIMIT ${2} OFFSET ${1}', $query);
}
function loadResult($query) {
if (DATABASE_DRIVER == 'pgsql') $query = $this->toPgSql($query);
$statement = $this->connection->prepare($query);
if($statement->execute()) {
$this->resultCount = $statement->rowCount();
$result = $statement->fetch(PDO::FETCH_NUM);
return $result[0];
} else {
error_log("Fail to execute query: [".$query."]");
error_log(print_r($statement->errorInfo(), true));
}
}
function getResultCount() {
return $this->resultCount;
}
function getLastId() {
return $this->connection->lastInsertId();
}
function quote($val) {
return $this->connection->quote($val);
}
function custom_sql_escape($inp) {
if (is_array($inp)) return array_map(__METHOD__, $inp);
if (!empty($inp) && is_string($inp)) {
return str_replace(array('\\', "\0", "\n", "\r", "'", '"', "\x1a"), array('\\\\', '\\0', '\\n', '\\r', "\\'", '\\"', '\\Z'), $inp);
}
return $inp;
}
}
?>
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