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<?php |
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namespace app\components; |
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/** |
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* @link http://www.diemeisterei.de/ |
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* |
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* @copyright Copyright (c) 2015 diemeisterei GmbH, Stuttgart |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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/** |
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* Class User. |
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* |
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* Custom user class with additional checks and implementation of a 'root' user, who |
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* has all permissions (`can()` always return true) |
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*/ |
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class User extends \yii\web\User |
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{ |
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const PUBLIC_ROLE = 'Public'; |
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/** |
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* Extended permission check with `Guest` role and `route`. |
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* |
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* @param string $permissionName |
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* @param array $params |
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* @param bool|true $allowCaching |
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* |
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* @return bool |
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*/ |
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public function can($permissionName, $params = [], $allowCaching = true) |
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{ |
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switch (true) { |
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case \Yii::$app->user->identity && \Yii::$app->user->identity->isAdmin: |
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return true; |
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break; |
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case !empty($params['route']): |
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\Yii::trace("Checking route permissions for '{$permissionName}'", __METHOD__); |
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return $this->checkAccessRoute($permissionName, $params, $allowCaching); |
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break; |
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default: |
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return parent::can($permissionName, $params, $allowCaching); |
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} |
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} |
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/** |
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* Checks permissions from guest role, when no user is logged in. |
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* |
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* @param $permissionName |
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* @param $params |
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* @param $allowCaching |
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* |
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* @return bool |
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*/ |
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private function canGuest($permissionName, $params, $allowCaching) |
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{ |
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$guestPermissions = $this->getAuthManager()->getPermissionsByRole(self::PUBLIC_ROLE); |
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return array_key_exists($permissionName, $guestPermissions); |
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} |
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/** |
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* Checks route permissions. |
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* |
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* Splits `permissionName` by underscore and match parts against more global rule |
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* eg. a permission `app_site` will match, `app_site_foo` |
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* |
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* @param $permissionName |
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* @param $params |
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* @param $allowCaching |
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* |
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* @return bool |
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*/ |
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private function checkAccessRoute($permissionName, $params, $allowCaching) |
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{ |
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$route = explode('_', $permissionName); |
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$routePermission = ''; |
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foreach ($route as $part) { |
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$routePermission .= $part; |
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if (\Yii::$app->user->id) { |
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$canRoute = parent::can($routePermission, $params, $allowCaching); |
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} else { |
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$canRoute = $this->canGuest($routePermission, $params, $allowCaching); |
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} |
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if ($canRoute) { |
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return true; |
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} |
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$routePermission .= '_'; |
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} |
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return false; |
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} |
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} |
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The break statement is not necessary if it is preceded for example by a return statement:
If you would like to keep this construct to be consistent with other case statements, you can safely mark this issue as a false-positive.