misuzu/src/AuthToken.php

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2022-09-13 13:14:49 +00:00
<?php
namespace Misuzu;
use Misuzu\Users\User;
use Misuzu\Users\UserSession;
use Index\Serialisation\Serialiser;
class AuthToken {
public const VERSION = 1;
public const WIDTH = 37;
private $userId = -1;
private $sessionToken = '';
private $user = null;
private $session = null;
public function isValid(): bool {
return $this->getUserId() > 0
&& !empty($this->getSessionToken());
}
public function getUserId(): int {
return $this->userId < 1 ? -1 : $this->userId;
}
public function setUserId(int $userId): self {
$this->user = null;
$this->userId = $userId;
return $this;
}
public function getUser(): User {
if($this->user === null)
$this->user = User::byId($this->getUserId());
return $this->user;
}
public function setUser(User $user): self {
$this->user = $user;
$this->userId = $user->getId();
return $this;
}
public function getSessionToken(): string {
return $this->sessionToken ?? '';
}
public function setSessionToken(string $token): self {
$this->session = null;
$this->sessionToken = $token;
return $this;
}
public function getSession(): UserSession {
if($this->session === null)
$this->session = UserSession::byToken($this->getSessionToken());
return $this->session;
}
public function setSession(UserSession $session): self {
$this->session = $session;
$this->sessionToken = $session->getToken();
return $this;
}
public function pack(bool $base64 = true): string {
$packed = pack('CNH*', self::VERSION, $this->getUserId(), $this->getSessionToken());
if($base64)
$packed = Serialiser::uriBase64()->serialise($packed);
return $packed;
}
public static function unpack(string $data, bool $base64 = true): self {
$obj = new AuthToken;
if(empty($data))
return $obj;
if($base64)
$data = Serialiser::uriBase64()->deserialise($data);
$data = str_pad($data, self::WIDTH, "\x00");
$data = unpack('Cversion/Nuser/H*token', $data);
if($data['version'] >= 1)
$obj->setUserId($data['user'])
->setSessionToken($data['token']);
return $obj;
}
public static function create(User $user, UserSession $session): self {
return (new AuthToken)
->setUser($user)
->setSession($session);
}
}