org.exoplatform.acceptance.security.CrowdGrantedAuthoritiesMapper.java Source code

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Here is the source code for org.exoplatform.acceptance.security.CrowdGrantedAuthoritiesMapper.java

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/*
 * Copyright (C) 2011-2014 eXo Platform SAS.
 *
 * This file is part of eXo Acceptance Webapp.
 *
 * eXo Acceptance Webapp is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * eXo Acceptance Webapp software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with eXo Acceptance Webapp; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see <http://www.gnu.org/licenses/>.
 */
package org.exoplatform.acceptance.security;

import java.io.Serializable;
import java.util.Collection;
import java.util.EnumSet;
import java.util.Set;
import javax.inject.Named;
import javax.inject.Singleton;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;

/**
 * Crowd Authorities mapper. Maps Crowd groups to {@link org.exoplatform.acceptance.security.AppAuthority} roles
 *
 * @author Arnaud Hritier ( aheritier@exoplatform.com )
 * @since 2.0.0
 */
@Named("crowdGrantedAuthoritiesMapper")
@Singleton
public class CrowdGrantedAuthoritiesMapper implements GrantedAuthoritiesMapper, Serializable {

    /**
     * Logger
     */
    private static final Logger LOGGER = LoggerFactory.getLogger(CrowdGrantedAuthoritiesMapper.class);
    /**
     * Constant <code>serialVersionUID=-2878066382069619533L</code>
     */
    private static final long serialVersionUID = -2878066382069619533L;

    /**
     * The crowd group used for our application users role
     */
    @Value("ROLE_${crowd.group.users}")
    private String userRole;

    /**
     * The crowd group used for our application administrator role
     */
    @Value("ROLE_${crowd.group.administrators}")
    private String adminRole;

    /**
     * {@inheritDoc}
     * Mapping interface which can be injected into the authentication layer to convert the
     * authorities loaded from storage into those which will be used in the {@code Authentication} object.
     */
    @Override
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public Collection<GrantedAuthority> mapAuthorities(Collection<? extends GrantedAuthority> authorities) {
        //empty EnumSet
        Set roles = EnumSet.noneOf(AppAuthority.class);
        LOGGER.debug("Authorities to check : {}", authorities);
        for (GrantedAuthority authority : authorities) {
            if (userRole.equals(authority.getAuthority())) {
                roles.add(AppAuthority.ROLE_USER);
            } else if (adminRole.equals(authority.getAuthority())) {
                roles.add(AppAuthority.ROLE_ADMIN);
            }
        }
        LOGGER.debug("Computed application roles : {}", roles);
        return roles;
    }
}