controlador-descarga/controllers/SiteController.php

<?php

namespace app\controllers;

use yii\filters\AccessControl;
use yii\web\Controller;
use yii\filters\VerbFilter;

class SiteController extends Controller {

  /**
   * {@inheritdoc}
   */
  public function behaviors() {
    return [
      'access' => [
        'class' => AccessControl::className(),
        'only' => ['asignar-descarga', 'index', 'consulta', 'logout'],
        'rules' => [
          [
            'actions' => ['asignar-descarga', 'index', 'consulta', 'logout'],
            'allow' => true,
            'roles' => ['@'],
          ],
        ],
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function actions() {
    return [
      'error' => [
        'class' => 'yii\web\ErrorAction',
      ],
      'captcha' => [
        'class' => 'yii\captcha\CaptchaAction',
        'fixedVerifyCode' => YII_ENV_TEST ? 'testme' : null,
      ],
    ];
  }

  public function actionLogout() {
    \Yii::$app->getUser()->logout();
    return $this->redirect("/");
  }

  /**
   * Displays homepage.
   *
   * @return string
   */
  public function actionIndex() {
    return $this->redirect('inicio');
  }

  public function actionAsignarDescarga() {
    return $this->render('asignar-descarga');
  }

  public function actionConsulta() {
    return $this->render('consulta');
  }

}