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<?php
declare(strict_types=1);
namespace Shaarli\Front\Controller\Admin;
use Shaarli\Container\ShaarliContainer;
use Shaarli\Front\Exception\OpenShaarliPasswordException;
use Shaarli\Front\Exception\ShaarliFrontException;
use Slim\Http\Request;
use Slim\Http\Response;
use Throwable;
/**
* Class PasswordController
*
* Slim controller used to handle passwords update.
*/
class PasswordController extends ShaarliAdminController
{
public function __construct(ShaarliContainer $container)
{
parent::__construct($container);
$this->assignView(
'pagetitle',
t('Change password') .' - '. $this->container->conf->get('general.title', 'Shaarli')
);
}
/**
* GET /admin/password - Displays the change password template
*/
public function index(Request $request, Response $response): Response
{
return $response->write($this->render('changepassword'));
}
/**
* POST /admin/password - Change admin password - existing and new passwords need to be provided.
*/
public function change(Request $request, Response $response): Response
{
$this->checkToken($request);
if ($this->container->conf->get('security.open_shaarli', false)) {
throw new OpenShaarliPasswordException();
}
$oldPassword = $request->getParam('oldpassword');
$newPassword = $request->getParam('setpassword');
if (empty($newPassword) || empty($oldPassword)) {
$this->saveErrorMessage(t('You must provide the current and new password to change it.'));
return $response
->withStatus(400)
->write($this->render('changepassword'))
;
}
// Make sure old password is correct.
$oldHash = sha1(
$oldPassword .
$this->container->conf->get('credentials.login') .
$this->container->conf->get('credentials.salt')
);
if ($oldHash !== $this->container->conf->get('credentials.hash')) {
$this->saveErrorMessage(t('The old password is not correct.'));
return $response
->withStatus(400)
->write($this->render('changepassword'))
;
}
// Save new password
// Salt renders rainbow-tables attacks useless.
$this->container->conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
$this->container->conf->set(
'credentials.hash',
sha1(
$newPassword
. $this->container->conf->get('credentials.login')
. $this->container->conf->get('credentials.salt')
)
);
try {
$this->container->conf->write($this->container->loginManager->isLoggedIn());
} catch (Throwable $e) {
throw new ShaarliFrontException($e->getMessage(), 500, $e);
}
$this->saveSuccessMessage(t('Your password has been changed'));
return $response->write($this->render('changepassword'));
}
}
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