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<?php
namespace App\Model;
use Nette;
use Nette\Security\Passwords;
/**
* Users management.
*/
class UserManager implements Nette\Security\IAuthenticator
{
use Nette\SmartObject;
const
TABLE_NAME = 'users',
COLUMN_ID = 'id',
COLUMN_NAME = 'username',
COLUMN_PASSWORD_HASH = 'password',
COLUMN_EMAIL = 'email',
COLUMN_ROLE = 'role';
/** @var Nette\Database\Context */
private $database;
public function __construct(Nette\Database\Context $database)
{
$this->database = $database;
}
/**
* Performs an authentication.
* @return Nette\Security\Identity
* @throws Nette\Security\AuthenticationException
*/
public function authenticate(array $credentials)
{
list($username, $password) = $credentials;
$row = $this->database->table(self::TABLE_NAME)
->where(self::COLUMN_NAME, $username)
->fetch();
if (!$row) {
throw new Nette\Security\AuthenticationException('The username is incorrect.', self::IDENTITY_NOT_FOUND);
} elseif (!Passwords::verify($password, $row[self::COLUMN_PASSWORD_HASH])) {
throw new Nette\Security\AuthenticationException('The password is incorrect.', self::INVALID_CREDENTIAL);
} elseif (Passwords::needsRehash($row[self::COLUMN_PASSWORD_HASH])) {
$row->update([
self::COLUMN_PASSWORD_HASH => Passwords::hash($password),
]);
}
$arr = $row->toArray();
unset($arr[self::COLUMN_PASSWORD_HASH]);
return new Nette\Security\Identity($row[self::COLUMN_ID], $row[self::COLUMN_ROLE], $arr);
}
/**
* Adds new user.
* @param string
* @param string
* @param string
* @return void
* @throws DuplicateNameException
*/
public function add($username, $email, $password)
{
try {
$this->database->table(self::TABLE_NAME)->insert([
self::COLUMN_NAME => $username,
self::COLUMN_PASSWORD_HASH => Passwords::hash($password),
self::COLUMN_EMAIL => $email,
]);
} catch (Nette\Database\UniqueConstraintViolationException $e) {
throw new DuplicateNameException;
}
}
}
class DuplicateNameException extends \Exception
{
}
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