129 lines
3.8 KiB
PHP
129 lines
3.8 KiB
PHP
<?php
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namespace Objects\DatabaseEntity;
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use DateTime;
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use Exception;
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use Firebase\JWT\JWT;
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use Objects\Context;
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use Objects\DatabaseEntity\Attribute\DefaultValue;
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use Objects\DatabaseEntity\Attribute\Json;
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use Objects\DatabaseEntity\Attribute\MaxLength;
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use Objects\DatabaseEntity\Attribute\Transient;
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class Session extends DatabaseEntity {
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# in minutes
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const DURATION = 60 * 60 * 24 * 14;
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#[Transient] private Context $context;
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private User $user;
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private DateTime $expires;
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#[MaxLength(45)] private string $ipAddress;
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#[DefaultValue(true)] private bool $active;
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#[MaxLength(64)] private ?string $os;
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#[MaxLength(64)] private ?string $browser;
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#[DefaultValue(true)] public bool $stayLoggedIn;
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#[MaxLength(16)] private string $csrfToken;
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#[Json] private mixed $data;
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public function __construct(Context $context, User $user, ?string $csrfToken = null) {
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parent::__construct();
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$this->context = $context;
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$this->user = $user;
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$this->stayLoggedIn = false;
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$this->csrfToken = $csrfToken ?? generateRandomString(16);
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$this->expires = (new DateTime())->modify(sprintf("+%d second", Session::DURATION));
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$this->active = true;
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}
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public static function init(Context $context, int $userId, int $sessionId): ?Session {
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$session = Session::find($context->getSQL(), $sessionId, true, true);
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if (!$session || !$session->active || $session->user->getId() !== $userId) {
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return null;
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}
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$session->context = $context;
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return $session;
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}
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public function getUser(): User {
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return $this->user;
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}
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private function updateMetaData() {
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$this->expires = (new \DateTime())->modify(sprintf("+%d minutes", Session::DURATION));
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$this->ipAddress = $this->context->isCLI() ? "127.0.0.1" : $_SERVER['REMOTE_ADDR'];
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try {
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$userAgent = @get_browser($_SERVER['HTTP_USER_AGENT'], true);
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$this->os = $userAgent['platform'] ?? "Unknown";
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$this->browser = $userAgent['parent'] ?? "Unknown";
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} catch (Exception $ex) {
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$this->os = "Unknown";
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$this->browser = "Unknown";
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}
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}
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public function setData(array $data) {
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foreach ($data as $key => $value) {
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$_SESSION[$key] = $value;
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}
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}
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public function getCookie(): string {
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$this->updateMetaData();
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$settings = $this->context->getSettings();
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$token = ['userId' => $this->user->getId(), 'sessionId' => $this->getId()];
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$jwtKey = $settings->getJwtKey();
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return JWT::encode($token, $jwtKey->getKeyMaterial(), $jwtKey->getAlgorithm());
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}
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public function sendCookie(string $domain) {
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$sessionCookie = $this->getCookie();
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$secure = strcmp(getProtocol(), "https") === 0;
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setcookie('session', $sessionCookie, $this->getExpiresTime(), "/", $domain, $secure, true);
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}
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public function getExpiresTime(): int {
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return ($this->stayLoggedIn ? $this->expires->getTimestamp() : 0);
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}
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public function getExpiresSeconds(): int {
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return ($this->stayLoggedIn ? $this->expires->getTimestamp() - time() : -1);
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}
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public function jsonSerialize(): array {
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return array(
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'id' => $this->getId(),
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'active' => $this->active,
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'expires' => $this->expires,
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'ipAddress' => $this->ipAddress,
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'os' => $this->os,
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'browser' => $this->browser,
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'csrf_token' => $this->csrfToken,
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'data' => $this->data,
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);
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}
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public function destroy(): bool {
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session_destroy();
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$this->active = false;
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return $this->save($this->context->getSQL());
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}
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public function update(): bool {
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$this->updateMetaData();
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$this->expires = (new DateTime())->modify(sprintf("+%d second", Session::DURATION));
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$this->data = json_encode($_SESSION ?? []);
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$sql = $this->context->getSQL();
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return $this->user->update($sql) &&
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$this->save($sql);
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}
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public function getCsrfToken(): string {
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return $this->csrfToken;
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}
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}
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