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109 lines
2.2 KiB
PHP
109 lines
2.2 KiB
PHP
<?php
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namespace Engelsystem\Http\SessionHandlers;
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use Engelsystem\Database\Database;
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use Illuminate\Database\Query\Builder as QueryBuilder;
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class DatabaseHandler extends AbstractHandler
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{
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/** @var Database */
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protected $database;
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/**
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* @param Database $database
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*/
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public function __construct(Database $database)
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{
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$this->database = $database;
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}
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/**
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* {@inheritdoc}
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*/
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public function read($id): string
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{
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$session = $this->getQuery()
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->where('id', '=', $id)
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->first();
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return $session ? $session->payload : '';
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}
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/**
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* {@inheritdoc}
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*/
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public function write($id, $data): bool
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{
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$values = [
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'payload' => $data,
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'last_activity' => $this->getCurrentTimestamp(),
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];
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$session = $this->getQuery()
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->where('id', '=', $id)
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->first();
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if (!$session) {
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return $this->getQuery()
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->insert($values + [
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'id' => $id,
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]);
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}
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$this->getQuery()
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->where('id', '=', $id)
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->update($values);
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// The update return can't be used directly because it won't change if the second call is in the same second
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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public function destroy($id): bool
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{
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$this->getQuery()
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->where('id', '=', $id)
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->delete();
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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public function gc($maxLifetime): bool
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{
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$timestamp = $this->getCurrentTimestamp(-$maxLifetime);
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$this->getQuery()
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->where('last_activity', '<', $timestamp)
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->delete();
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return true;
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}
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/**
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* @return QueryBuilder
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*/
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protected function getQuery(): QueryBuilder
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{
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return $this->database
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->getConnection()
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->table('sessions');
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}
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/**
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* Format the SQL timestamp
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*
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* @param int $diff
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* @return string
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*/
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protected function getCurrentTimestamp(int $diff = 0): string
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{
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return date('Y-m-d H:i:s', strtotime(sprintf('%+d seconds', $diff)));
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}
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}
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