Package br.gov.frameworkdemoiselle.security

Source Code of br.gov.frameworkdemoiselle.security.ServletAuthorizer

/*
* Demoiselle Framework
* Copyright (C) 2010 SERPRO
* ----------------------------------------------------------------------------
* This file is part of Demoiselle Framework.
*
* Demoiselle Framework is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License version 3
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License version 3
* along with this program; if not,  see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc., 51 Franklin Street,
* Fifth Floor, Boston, MA  02110-1301, USA.
* ----------------------------------------------------------------------------
* Este arquivo é parte do Framework Demoiselle.
*
* O Framework Demoiselle é um software livre; você pode redistribuí-lo e/ou
* modificá-lo dentro dos termos da GNU LGPL versão 3 como publicada pela Fundação
* do Software Livre (FSF).
*
* Este programa é distribuído na esperança que possa ser útil, mas SEM NENHUMA
* GARANTIA; sem uma garantia implícita de ADEQUAÇÃO a qualquer MERCADO ou
* APLICAÇÃO EM PARTICULAR. Veja a Licença Pública Geral GNU/LGPL em português
* para maiores detalhes.
*
* Você deve ter recebido uma cópia da GNU LGPL versão 3, sob o título
* "LICENCA.txt", junto com esse programa. Se não, acesse <http://www.gnu.org/licenses/>
* ou escreva para a Fundação do Software Livre (FSF) Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA.
*/
package br.gov.frameworkdemoiselle.security;

import static br.gov.frameworkdemoiselle.annotation.Priority.L2_PRIORITY;

import javax.servlet.http.HttpServletRequest;

import br.gov.frameworkdemoiselle.DemoiselleException;
import br.gov.frameworkdemoiselle.annotation.Priority;
import br.gov.frameworkdemoiselle.internal.producer.ResourceBundleProducer;
import br.gov.frameworkdemoiselle.util.Beans;
import br.gov.frameworkdemoiselle.util.ResourceBundle;

@Priority(L2_PRIORITY)
public class ServletAuthorizer implements Authorizer {

  private static final long serialVersionUID = 1L;

  private static ResourceBundle bundle;

  @Override
  public boolean hasRole(String role) {
    return getRequest().isUserInRole(role);
  }

  @Override
  public boolean hasPermission(String resource, String operation) {
    throw new DemoiselleException(getBundle().getString("has-permission-not-supported",
        RequiredPermission.class.getSimpleName()));
  }

  private HttpServletRequest getRequest() {
    return Beans.getReference(HttpServletRequest.class);
  }

  private static ResourceBundle getBundle() {
    if (bundle == null) {
      bundle = ResourceBundleProducer.create("demoiselle-servlet-bundle");
    }

    return bundle;
  }
}
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