api/src/Providers/AuthProvider.php

<?php namespace Demostf\API\Providers;

use Doctrine\DBAL\Connection;
use RandomLib\Generator;

class AuthProvider extends BaseProvider {
	/**
	 * @var Generator
	 */
	private $generator;

	public function __construct(Connection $db, Generator $generator) {
		parent::__construct($db);
		$this->generator = $generator;
	}

	public function generateToken() {
		return $this->generator->generateString(32, Generator::CHAR_ALNUM);
	}

	public function setUser($token, \SteamId $steamid, $key) {
		apcu_store($token, [
			'name' => $steamid->getNickname(),
			'steamid' => $steamid->getSteamId64(),
			'key' => $key
		]);
	}

	public function getUser($token) {
		$found = true;
		$result = apcu_fetch($token, $found);
		return $found ? $result : ['name' => null, 'steamid' => null, 'key' => null];
	}

	public function logout($token) {
		apcu_delete($token);
	}
}