DefaultSecurityContext.java :  » MVC » cloak-mvc » com » dnc » cloak » framework » security » Java Open Source

/**
 * Copyright (C) 2010 Andrew C. Love <drewncrew@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.dnc.cloak.framework.security;

import java.security.Principal;

import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;

import com.dnc.cloak.framework.security.authorization.IAuthorizer;
import com.dnc.cloak.framework.security.authorization.IBATISAuthorizer;


public class DefaultSecurityContext implements ISecurityContext {
  
  private Subject subject = null;
  private Principal principal = null;
  private CloakPrincipal cloakPrincipal = null;
  private String securityPolicy = null;
  private IAuthorizer authorizer = null;

  public DefaultSecurityContext() {
  }

  public DefaultSecurityContext(Principal principal) {
    this(principal,"default",new IBATISAuthorizer());    
  }
  
  public DefaultSecurityContext(Principal principal, String securityPolicy, IAuthorizer authorizer) {
    super();
    this.principal = principal;
    this.securityPolicy = securityPolicy;
    this.authorizer = authorizer;
    
    if (this.principal instanceof CloakPrincipal) {
      this.cloakPrincipal = (CloakPrincipal)principal;
    }    
  }

  public DefaultSecurityContext(LoginContext lc) {
    this(lc,"default",new IBATISAuthorizer());
  }

  public DefaultSecurityContext(LoginContext lc, String securityPolicy) {
    this(lc,securityPolicy,new IBATISAuthorizer());
  }

  public DefaultSecurityContext(LoginContext lc, String securityPolicy, IAuthorizer authorizer) {
    this.subject = lc.getSubject();
    
    if (lc!=null && lc.getSubject().getPrincipals().size() > 0) {
      Principal principal = (Principal)lc.getSubject().getPrincipals(Principal.class).toArray()[0];
      this.principal = principal;
      this.securityPolicy = securityPolicy;
      this.authorizer =authorizer;
    }
    
    if (this.principal instanceof CloakPrincipal) {
      this.cloakPrincipal = (CloakPrincipal)principal;
    }        
  }

  @Override
  public Principal getPrincipal() {
    return this.principal;
  }

  @Override
  public CloakPrincipal getCloakPrincipal() {
    return cloakPrincipal;
  }

  @Override
  public String getSecurityPolicy() {
    return this.securityPolicy;
  }

  @Override
  public IAuthorizer getAuthorizer() {    
    return authorizer;
  }

  @Override
  public CloakPrincipal getSubject() {
    // TODO Auto-generated method stub
    return null;
  }
  
  
}