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<?php
/** Class UserManager
*
* @package DevCoder\Authentication\Core
*
*/
# namespace DevCoder\Authentication\Core;
#
# use DevCoder\Authentication\Token\UserToken;
# use DevCoder\Authentication\Token\UserTokenInterface;
# use DevCoder\Authentication\UserInterface;
class UserManager implements UserManagerInterface
{
use PasswordTrait;
public function __construct()
{
if (session_status() === PHP_SESSION_NONE) {
session_start();
}
}
/** getUserToken()
* == get user from session
*
*/
public function getUserToken(): ?UserTokenInterface
{
$userToken = null;
if ($this->hasUserToken()) {
$userToken = unserialize($_SESSION[UserTokenInterface::DEFAULT_PREFIX_KEY]);
}
return $userToken;
}
/** hasUserToken()
* == is user loged in
*
*/
public function hasUserToken(): bool
{
$key = UserTokenInterface::DEFAULT_PREFIX_KEY;
return (array_key_exists($key, $_SESSION) && unserialize($_SESSION[$key]) !== false);
}
/** isGranted
*
* checks if user is granded some role(s)
* from the array of roles that are passed
*
* ex. $token->isGranted(['editor', 'designer']) ...
* returns true if the user is editor or designer (or both)
*
*/
public function isGranted(array $roles): bool
{
// if (!is_null($userToken = $this->getUserToken())) {
if (is_null($userToken = $this->getUserToken())) {
return false;
}
if ($userToken->getUser() instanceof UserInterface) {
return (!empty(array_intersect($roles, $userToken->getUser()->getRoles())));
}
return false;
}
/** createUserToken()
* == serializes user and stores it into session
* so $_SESSION[DEFAULT_PREFIX_KEY] has the serialized representaion of user
*/
public function createUserToken(UserInterface $user): UserTokenInterface
{
$userToken = new UserToken($user);
$_SESSION[UserTokenInterface::DEFAULT_PREFIX_KEY] = $userToken->serialize();
return $userToken;
}
/** logout
* == clear session
*
*/
public function logout(): void
{
if ($this->hasUserToken()) {
unset($_SESSION[UserTokenInterface::DEFAULT_PREFIX_KEY]);
}
}
}
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