context = $context; $this->user = $user; $this->stayLoggedIn = false; $this->csrfToken = $csrfToken ?? generateRandomString(16); $this->expires = (new DateTime())->modify(sprintf("+%d second", Session::DURATION)); $this->active = true; } public static function init(Context $context, int $userId, int $sessionId): ?Session { $session = Session::find($context->getSQL(), $sessionId, true, true); if (!$session || !$session->active || $session->user->getId() !== $userId) { return null; } $session->context = $context; return $session; } public function getUser(): User { return $this->user; } private function updateMetaData() { $this->expires = (new \DateTime())->modify(sprintf("+%d minutes", Session::DURATION)); $this->ipAddress = $this->context->isCLI() ? "127.0.0.1" : $_SERVER['REMOTE_ADDR']; try { $userAgent = @get_browser($_SERVER['HTTP_USER_AGENT'], true); $this->os = $userAgent['platform'] ?? "Unknown"; $this->browser = $userAgent['parent'] ?? "Unknown"; } catch (Exception $ex) { $this->os = "Unknown"; $this->browser = "Unknown"; } } public function setData(array $data) { foreach ($data as $key => $value) { $_SESSION[$key] = $value; } } public function getCookie(): string { $this->updateMetaData(); $settings = $this->context->getSettings(); $token = ['userId' => $this->user->getId(), 'sessionId' => $this->getId()]; $jwtKey = $settings->getJwtKey(); return JWT::encode($token, $jwtKey->getKeyMaterial(), $jwtKey->getAlgorithm()); } public function sendCookie(string $domain) { $sessionCookie = $this->getCookie(); $secure = strcmp(getProtocol(), "https") === 0; setcookie('session', $sessionCookie, $this->getExpiresTime(), "/", $domain, $secure, true); } public function getExpiresTime(): int { return ($this->stayLoggedIn ? $this->expires->getTimestamp() : 0); } public function getExpiresSeconds(): int { return ($this->stayLoggedIn ? $this->expires->getTimestamp() - time() : -1); } public function jsonSerialize(): array { return array( 'id' => $this->getId(), 'active' => $this->active, 'expires' => $this->expires, 'ipAddress' => $this->ipAddress, 'os' => $this->os, 'browser' => $this->browser, 'csrf_token' => $this->csrfToken, 'data' => $this->data, ); } public function insert(bool $stayLoggedIn = false): bool { $this->stayLoggedIn = $stayLoggedIn; $this->active = true; return $this->update(); } public function destroy(): bool { session_destroy(); $this->active = false; return $this->save($this->context->getSQL()); } public function update(): bool { $this->updateMetaData(); $this->expires = (new DateTime())->modify(sprintf("+%d second", Session::DURATION)); $this->data = json_encode($_SESSION ?? []); $sql = $this->context->getSQL(); return $this->user->update($sql) && $this->save($sql); } public function getCsrfToken(): string { return $this->csrfToken; } }