be.fedict.eid.dss.model.bean.AdministratorManagerBean.java Source code

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Here is the source code for be.fedict.eid.dss.model.bean.AdministratorManagerBean.java

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/*
 * eID Digital Signature Service Project.
 * Copyright (C) 2010 Frank Cornelis.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This 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 this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.dss.model.bean;

import java.security.PublicKey;
import java.security.cert.X509Certificate;
import java.util.List;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import org.apache.commons.codec.digest.DigestUtils;

import be.fedict.eid.dss.entity.AdministratorEntity;
import be.fedict.eid.dss.model.AdministratorManager;

@Stateless
public class AdministratorManagerBean implements AdministratorManager {

    @PersistenceContext
    private EntityManager entityManager;

    public boolean hasAdminRights(X509Certificate certificate) {
        String id = getId(certificate);
        AdministratorEntity adminEntity = this.entityManager.find(AdministratorEntity.class, id);
        if (null != adminEntity) {
            if (false == adminEntity.isPending()) {
                return true;
            } else {
                /*
                 * This admin is awaiting approval.
                 */
                return false;
            }
        }
        String name = certificate.getSubjectX500Principal().toString();
        if (AdministratorEntity.hasAdmins(this.entityManager)) {
            /*
             * So we register this admin as pending.
             */
            adminEntity = new AdministratorEntity(id, name, true);
            this.entityManager.persist(adminEntity);
            return false;
        }
        /*
         * Else we bootstrap the admin.
         */
        adminEntity = new AdministratorEntity(id, name, false);
        this.entityManager.persist(adminEntity);
        return true;
    }

    private String getId(X509Certificate certificate) {
        PublicKey publicKey = certificate.getPublicKey();
        String id = DigestUtils.shaHex(publicKey.getEncoded());
        return id;
    }

    public List<AdministratorEntity> listAdmins() {
        return AdministratorEntity.getAdmins(this.entityManager);
    }

    public void removeAdmin(String adminId) {
        AdministratorEntity adminEntity = this.entityManager.find(AdministratorEntity.class, adminId);
        this.entityManager.remove(adminEntity);
    }

    public void approveAdmin(String adminId) {
        AdministratorEntity adminEntity = this.entityManager.find(AdministratorEntity.class, adminId);
        adminEntity.setPending(false);
    }
}