143 lines
3.7 KiB
PHP
143 lines
3.7 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 Exception;
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use External\JWT;
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class Session extends ApiObject {
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# in minutes
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const DURATION = 60*24;
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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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public function __construct(User $user, ?int $sessionId) {
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$this->user = $user;
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$this->sessionId = $sessionId;
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$this->stayLoggedIn = true;
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}
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public static function create($user, $stayLoggedIn) {
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$session = new Session($user, null);
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if($session->insert($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 * 60;
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$this->ipAddress = $_SERVER['REMOTE_ADDR'];
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try {
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$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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$this->browser = "Unknown";
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}
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}
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public function setData($data) {
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foreach($data as $key => $value) {
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$_SESSION[$key] = $value;
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}
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}
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public function stayLoggedIn($val) {
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$this->stayLoggedIn = $val;
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}
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public function sendCookie() {
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$this->updateMetaData();
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$jwt = $this->user->getConfiguration()->getJwt();
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if($jwt) {
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$token = array('userId' => $this->user->getId(), 'sessionId' => $this->sessionId);
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$sessionCookie = JWT::encode($token, $jwt->getKey());
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$secure = strcmp(getProtocol(), "https") === 0;
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setcookie('session', $sessionCookie, $this->getExpiresTime(), "/", "", $secure);
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}
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}
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public function getExpiresTime() {
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return ($this->stayLoggedIn == 0 ? 0 : $this->expires);
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}
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public function getExpiresSeconds() {
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return ($this->stayLoggedIn == 0 ? -1 : $this->expires - time());
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}
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public function jsonSerialize() {
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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' => $this->browser,
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);
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}
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public function insert($stayLoggedIn) {
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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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$columns = array("expires", "user_id", "ipAddress", "os", "browser", "data", "stay_logged_in");
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$success = $sql
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->insert("Session", $columns)
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->addRow(
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(new DateTime())->modify("+$minutes minute"),
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$this->user->getId(),
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$this->ipAddress,
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$this->os,
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$this->browser,
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json_encode($_SESSION),
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$stayLoggedIn)
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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() {
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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", $this->user->getId()))
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->execute();
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}
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public function update() {
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$this->updateMetaData();
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$minutes = Session::DURATION;
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$sql = $this->user->getSQL();
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return $sql->update("Session")
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->set("Session.expires", (new DateTime())->modify("+$minutes minute"))
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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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->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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}
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