CustomerGauge\Session\SessionRetriever

Complexity

Total Complexity

5

Size/Duplication

Total Lines	57
Duplicated Lines	0 %

Test Coverage

Coverage

40%

Importance

Changes	2
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	fake()	0	7	1
A	insecure()	0	5	1
A	retrieve()	0	25	2

<?php declare(strict_types=1);

namespace CustomerGauge\Session;

final class SessionRetriever
{
    private $path;

    private $domain;

    private $secure = true;

    private $session = null;

    public function __construct(string $path, string $domain)
    {
        $this->path = $path;
        $this->domain = $domain;
    }

    public static function fake(array $session): self
    {
        $instance = new self('', '');

        $instance->session = $session;

        return $instance;
    }

    public function insecure(): self
    {
        $this->secure = false;

        return $this;
    }

    public function retrieve(): array
    {
        if ($this->session !== null) {
            return $this->session;
        }

        ini_set('session.gc_maxlifetime', '28800');
        ini_set('session.save_handler', 'redis');
        ini_set('session.save_path', $this->path);
        ini_set('session.cookie_domain', $this->domain);
        ini_set('session.cookie_secure', (string) $this->secure);
        ini_set('session.cookie_httponly', '1');
        ini_set('session.cookie_samesite', 'Lax');

        // When AWS Elasticache DNS resolution fails, PHP throws an error
        // session_start(): php_network_getaddresses: getaddrinfo failed: Name or service not known
        // This error is happening on 0.02% of our requests and AWS treat it as transient network
        // issues. Retrying before giving up might mitigate the problem.
        retry(3, function () {
            session_start();
        });

        $this->session = $_SESSION;

        return $this->session;
    }
}