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<?php
/**
* TorrentPier – Bull-powered BitTorrent tracker engine
*
* @copyright Copyright (c) 2005-2018 TorrentPier (https://torrentpier.com)
* @link https://github.com/torrentpier/torrentpier for the canonical source repository
* @license https://github.com/torrentpier/torrentpier/blob/master/LICENSE MIT License
*/
namespace TorrentPier\Legacy\Datastore;
use SQLite3;
/**
* Class Sqlite
* @package TorrentPier\Legacy\Datastore
*/
class Sqlite extends Common
{
public $engine = 'SQLite';
public $db;
public $prefix;
public $cfg = array(
'db_file_path' => '/path/to/datastore.db.sqlite',
'table_name' => 'datastore',
'table_schema' => 'CREATE TABLE datastore (
ds_title VARCHAR(255),
ds_data TEXT,
PRIMARY KEY (ds_title)
)',
'pconnect' => true,
'con_required' => true,
'log_name' => 'DATASTORE',
);
public function __construct($cfg, $prefix = null)
{
$this->cfg = array_merge($this->cfg, $cfg);
$this->db = new SqliteCommon($this->cfg);
$this->prefix = $prefix;
}
public function store($item_name, $item_data)
{
$this->data[$item_name] = $item_data;
$ds_title = SQLite3::escapeString($this->prefix . $item_name);
$ds_data = SQLite3::escapeString(serialize($item_data));
$result = $this->db->query("REPLACE INTO " . $this->cfg['table_name'] . " (ds_title, ds_data) VALUES ('$ds_title', '$ds_data')");
return (bool)$result;
}
public function clean()
{
$this->db->query("DELETE FROM " . $this->cfg['table_name']);
}
public function _fetch_from_store()
{
if (!$items = $this->queued_items) {
return;
}
$prefix_len = \strlen($this->prefix);
$prefix_sql = SQLite3::escapeString($this->prefix);
array_deep($items, 'SQLite3::escapeString');
$items_list = $prefix_sql . implode("','$prefix_sql", $items);
$rowset = $this->db->fetch_rowset("SELECT ds_title, ds_data FROM " . $this->cfg['table_name'] . " WHERE ds_title IN ('$items_list')");
$this->db->debug('start', "unserialize()");
foreach ($rowset as $row) {
$this->data[substr($row['ds_title'], $prefix_len)] = unserialize($row['ds_data']);
}
$this->db->debug('stop');
}
}
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