SSO.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2019 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.sso;
 
import javax.servlet.http.HttpServletRequest;
import org.turro.collections.CollectionUtil;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.sso.IAssertionProvider;
import org.turro.elephant.sso.IElephantSSO;
import org.turro.reflection.Instances;
 
public class SSO {
 
  public static boolean hasSSO() {
    return ElephantContext.getUseSSO() &&
           getSSO() != null && 
           getProvider() != null && 
           getSSO().hasSSO();
  }
  
  public static boolean hasSSO(HttpServletRequest request) {
    return hasSSO() && getProvider().hasAssertion(request);
  }
  
  public static IAssertionProvider getProvider() {
    return CollectionUtil.from(Instances.cached().byAnnotation(ElephantAssertion.class, IAssertionProvider.class)).first();
  }
 
  public static IElephantSSO getSSO() {
    return CollectionUtil.from(Instances.cached().byAnnotation(ElephantSSO.class, IElephantSSO.class)).first();
  }
 
  private SSO() {
  }
 
}