application/front/controller/admin/PasswordController.php

   1 <?php
   2
   3 declare(strict_types=1);
   4
   5 namespace Shaarli\Front\Controller\Admin;
   6
   7 use Shaarli\Container\ShaarliContainer;
   8 use Shaarli\Front\Exception\OpenShaarliPasswordException;
   9 use Shaarli\Front\Exception\ShaarliFrontException;
  10 use Slim\Http\Request;
  11 use Slim\Http\Response;
  12 use Throwable;
  13
  14 /**
  15  * Class PasswordController
  16  *
  17  * Slim controller used to handle passwords update.
  18  */
  19 class PasswordController extends ShaarliAdminController
  20 {
  21     public function __construct(ShaarliContainer $container)
  22     {
  23         parent::__construct($container);
  24
  25         $this->assignView(
  26             'pagetitle',
  27             t('Change password') .' - '. $this->container->conf->get('general.title', 'Shaarli')
  28         );
  29     }
  30
  31     /**
  32      * GET /password - Displays the change password template
  33      */
  34     public function index(Request $request, Response $response): Response
  35     {
  36         return $response->write($this->render('changepassword'));
  37     }
  38
  39     /**
  40      * POST /password - Change admin password - existing and new passwords need to be provided.
  41      */
  42     public function change(Request $request, Response $response): Response
  43     {
  44         $this->checkToken($request);
  45
  46         if ($this->container->conf->get('security.open_shaarli', false)) {
  47             throw new OpenShaarliPasswordException();
  48         }
  49
  50         $oldPassword = $request->getParam('oldpassword');
  51         $newPassword = $request->getParam('setpassword');
  52
  53         if (empty($newPassword) || empty($oldPassword)) {
  54             $this->saveErrorMessage(t('You must provide the current and new password to change it.'));
  55
  56             return $response
  57                 ->withStatus(400)
  58                 ->write($this->render('changepassword'))
  59             ;
  60         }
  61
  62         // Make sure old password is correct.
  63         $oldHash = sha1(
  64             $oldPassword .
  65             $this->container->conf->get('credentials.login') .
  66             $this->container->conf->get('credentials.salt')
  67         );
  68
  69         if ($oldHash !== $this->container->conf->get('credentials.hash')) {
  70             $this->saveErrorMessage(t('The old password is not correct.'));
  71
  72             return $response
  73                 ->withStatus(400)
  74                 ->write($this->render('changepassword'))
  75             ;
  76         }
  77
  78         // Save new password
  79         // Salt renders rainbow-tables attacks useless.
  80         $this->container->conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
  81         $this->container->conf->set(
  82             'credentials.hash',
  83             sha1(
  84                 $newPassword
  85                 . $this->container->conf->get('credentials.login')
  86                 . $this->container->conf->get('credentials.salt')
  87             )
  88         );
  89
  90         try {
  91             $this->container->conf->write($this->container->loginManager->isLoggedIn());
  92         } catch (Throwable $e) {
  93             throw new ShaarliFrontException($e->getMessage(), 500, $e);
  94         }
  95
  96         $this->saveSuccessMessage(t('Your password has been changed'));
  97
  98         return $response->write($this->render('changepassword'));
  99     }
 100 }