165 lines
4.7 KiB
PHP
165 lines
4.7 KiB
PHP
<?php
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namespace Objects;
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use DateTime;
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use \Driver\SQL\Condition\Compare;
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use Driver\SQL\Expression\CurrentTimeStamp;
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use Exception;
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use Firebase\JWT\JWT;
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class Session extends ApiObject {
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# in minutes
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const DURATION = 60*60*24*14;
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private ?int $sessionId;
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private User $user;
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private int $expires;
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private string $ipAddress;
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private ?string $os;
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private ?string $browser;
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private bool $stayLoggedIn;
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private string $csrfToken;
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public function __construct(User $user, ?int $sessionId, ?string $csrfToken) {
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$this->user = $user;
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$this->sessionId = $sessionId;
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$this->stayLoggedIn = false;
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$this->csrfToken = $csrfToken ?? generateRandomString(16);
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}
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public static function create(User $user, bool $stayLoggedIn = false): ?Session {
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$session = new Session($user, null, null);
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if ($session->insert($stayLoggedIn)) {
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$session->stayLoggedIn = $stayLoggedIn;
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return $session;
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}
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return null;
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}
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private function updateMetaData() {
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$this->expires = time() + Session::DURATION;
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$this->ipAddress = is_cli() ? "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 stayLoggedIn(bool $val) {
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$this->stayLoggedIn = $val;
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}
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public function getCookie(): string {
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$this->updateMetaData();
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$settings = $this->user->getConfiguration()->getSettings();
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$token = ['userId' => $this->user->getId(), 'sessionId' => $this->sessionId];
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$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 $domain = null) {
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$domain = empty($domain) ? "" : $domain;
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$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 ? $this->expires : 0);
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}
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public function getExpiresSeconds(): int {
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return ($this->stayLoggedIn ? $this->expires - time() : -1);
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}
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public function jsonSerialize(): array {
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return array(
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'uid' => $this->sessionId,
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'user_id' => $this->user->getId(),
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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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);
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}
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public function insert(bool $stayLoggedIn = false): bool {
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$this->updateMetaData();
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$sql = $this->user->getSQL();
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$minutes = Session::DURATION;
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$data = [
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"expires" => (new DateTime())->modify("+$minutes minute"),
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"user_id" => $this->user->getId(),
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"ipAddress" => $this->ipAddress,
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"os" => $this->os,
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"browser" => $this->browser,
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"data" => json_encode($_SESSION ?? []),
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"stay_logged_in" => $stayLoggedIn,
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"csrf_token" => $this->csrfToken
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];
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$success = $sql
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->insert("Session", array_keys($data))
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->addRow(...array_values($data))
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->returning("uid")
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->execute();
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if ($success) {
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$this->sessionId = $this->user->getSQL()->getLastInsertId();
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return true;
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}
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return false;
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}
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public function destroy(): bool {
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session_destroy();
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return $this->user->getSQL()->update("Session")
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->set("active", false)
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->where(new Compare("Session.uid", $this->sessionId))
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->where(new Compare("Session.user_id", $this->user->getId()))
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->execute();
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}
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public function update(): bool {
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$this->updateMetaData();
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$minutes = Session::DURATION;
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$sql = $this->user->getSQL();
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return
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$sql->update("User")
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->set("last_online", new CurrentTimeStamp())
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->where(new Compare("uid", $this->user->getId()))
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->execute() &&
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$sql->update("Session")
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->set("Session.expires", (new DateTime())->modify("+$minutes second"))
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->set("Session.ipAddress", $this->ipAddress)
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->set("Session.os", $this->os)
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->set("Session.browser", $this->browser)
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->set("Session.data", json_encode($_SESSION ?? []))
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->set("Session.csrf_token", $this->csrfToken)
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->where(new Compare("Session.uid", $this->sessionId))
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->where(new Compare("Session.user_id", $this->user->getId()))
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->execute();
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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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