www.aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/devel/src/Form/SwitchUserForm.php

   1 <?php
   2
   3 namespace Drupal\devel\Form;
   4
   5 use Drupal\Core\Access\CsrfTokenGenerator;
   6 use Drupal\Core\Form\FormBase;
   7 use Drupal\Core\Form\FormStateInterface;
   8 use Drupal\Core\Url;
   9 use Drupal\user\Entity\User;
  10 use Symfony\Component\DependencyInjection\ContainerInterface;
  11
  12 /**
  13  * Defines a form that allows privileged users to generate entities.
  14  */
  15 class SwitchUserForm extends FormBase {
  16
  17   /**
  18    * The csrf token generator.
  19    *
  20    * @var \Drupal\Core\Access\CsrfTokenGenerator
  21    */
  22   protected $csrfToken;
  23
  24   /**
  25    * Constructs a new SwitchUserForm object.
  26    *
  27    * @param \Drupal\Core\Access\CsrfTokenGenerator $csrf_token_generator
  28    */
  29   public function __construct(CsrfTokenGenerator $csrf_token_generator) {
  30     $this->csrfToken = $csrf_token_generator;
  31   }
  32
  33   /**
  34    * {@inheritdoc}
  35    */
  36   public static function create(ContainerInterface $container) {
  37     return new static(
  38       $container->get('csrf_token')
  39     );
  40   }
  41
  42   /**
  43    * {@inheritdoc}
  44    */
  45   public function getFormId() {
  46     return 'devel_switchuser_form';
  47   }
  48
  49   /**
  50    * {@inheritdoc}
  51    */
  52   public function buildForm(array $form, FormStateInterface $form_state) {
  53     $form['autocomplete'] = [
  54       '#type' => 'container',
  55       '#attributes' => [
  56         'class' => ['container-inline'],
  57       ],
  58     ];
  59     $form['autocomplete']['userid'] = [
  60       '#type' => 'entity_autocomplete',
  61       '#title' => $this->t('Username'),
  62       '#placeholder' => $this->t('Enter username'),
  63       '#target_type' => 'user',
  64       '#selection_settings' => [
  65         'include_anonymous' => FALSE
  66       ],
  67       '#process_default_value' => FALSE,
  68       '#maxlength' => USERNAME_MAX_LENGTH,
  69       '#title_display' => 'invisible',
  70       '#required' => TRUE,
  71       '#size' => '28',
  72     ];
  73
  74     $form['autocomplete']['actions'] = ['#type' => 'actions'];
  75     $form['autocomplete']['actions']['submit'] = [
  76       '#type' => 'submit',
  77       '#value' => $this->t('Switch'),
  78     ];
  79
  80     return $form;
  81   }
  82
  83   /**
  84    * {@inheritdoc}
  85    */
  86   public function validateForm(array &$form, FormStateInterface $form_state) {
  87     if (!$account = User::load($form_state->getValue('userid'))) {
  88       $form_state->setErrorByName('userid', $this->t('Username not found'));
  89     }
  90     else {
  91       $form_state->setValue('username', $account->getAccountName());
  92     }
  93   }
  94
  95   /**
  96    * {@inheritdoc}
  97    */
  98   public function submitForm(array &$form, FormStateInterface $form_state) {
  99     // We cannot rely on automatic token creation, since the csrf seed changes
 100     // after the redirect and the generated token is not more valid.
 101     // TODO find another way to do this.
 102     $url = Url::fromRoute('devel.switch', ['name' => $form_state->getValue('username')]);
 103     $url->setOption('query', ['token' => $this->csrfToken->get($url->getInternalPath())]);
 104
 105     $form_state->setRedirectUrl($url);
 106   }
 107
 108 }