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common/components/developeruz/db_rbac/behaviors/AccessBehavior.php 2.75 KB
b0f143c3   Yarik   first commit
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  <?php
  /**
   * AccessBehavior for Yii2
   *
   * @author Elle <elleuz@gmail.com>
   * @version 0.1
   * @package AccessBehavior for Yii2
   *
   */
  namespace developeruz\db_rbac\behaviors;
  
  use Yii;
  use yii\behaviors\AttributeBehavior;
  use yii\di\Instance;
  use yii\base\Module;
  use yii\web\Application;
  use yii\web\User;
  use yii\filters\AccessControl;
  use yii\web\ForbiddenHttpException;
  
  class AccessBehavior extends AttributeBehavior {
  
      public $rules=[];
  
      private $_rules = [];
  
      public function events()
      {
          return [
              Module::EVENT_BEFORE_ACTION => 'interception',
          ];
      }
  
      public function interception($event)
      {
          if(!isset( Yii::$app->i18n->translations['db_rbac'])){
              Yii::$app->i18n->translations['db_rbac'] = [
                  'class' => 'yii\i18n\PhpMessageSource',
                  'sourceLanguage' => 'ru-Ru',
                  'basePath' => '@developeruz/db_rbac/messages',
              ];
          }
  
          $route = Yii::$app->getRequest()->resolve();
  
          //Проверяем права по конфигу
          $this->createRule();
          $user = Instance::ensure(Yii::$app->user, User::className());
          $request = Yii::$app->getRequest();
          $action = $event->action;
  
          if(!$this->cheсkByRule($action, $user, $request))
          {
              //И по AuthManager
              if(!$this->checkPermission($route))
                  throw new ForbiddenHttpException(Yii::t('db_rbac','Недостаточно прав'));
          }
      }
  
      protected function createRule()
      {
          foreach($this->rules as $controller => $rule)
          {
              foreach ($rule as $singleRule) {
                  if (is_array($singleRule)) {
                      $option = [
                          'controllers' => [$controller],
                          'class' => 'yii\filters\AccessRule'
                      ];
                      $this->_rules[] = Yii::createObject(array_merge($option, $singleRule));
                  }
              }
          }
      }
  
      protected function cheсkByRule($action, $user, $request)
      {
          foreach ($this->_rules as $rule) {
              if ($rule->allows($action, $user, $request))
                  return true;
          }
          return false;
      }
  
      protected function checkPermission($route)
      {
          //$route[0] - is the route, $route[1] - is the associated parameters
  
          $routePathTmp = explode('/', $route[0]);
          $routeVariant = array_shift($routePathTmp);
          if(Yii::$app->user->can($routeVariant, $route[1]))
              return true;
  
          foreach($routePathTmp as $routePart)
          {
              $routeVariant .= '/'.$routePart;
              if(Yii::$app->user->can($routeVariant, $route[1]))
                  return true;
          }
  
          return false;
      }
  }