BYOKSecurityConfig.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openspcoop2.utils.certificate.byok;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;

import org.openspcoop2.utils.UtilsException;
import org.slf4j.Logger;

/**
 * BYOKSecurityConfig
 *
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class BYOKSecurityConfig implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = -3572589461109860459L;
        
    private String id;
    
    private String wrapId;
    private String unwrapId;
    
    private List<String>inputParametersIds;
    private List<BYOKSecurityConfigParameter> inputParameters = new ArrayList<>();
        
    protected BYOKSecurityConfig(String id, Properties p, Logger log) throws UtilsException {
        this.id = id;
        
        if(p==null || p.isEmpty()) {
            log.error("Properties is null");
            throw new UtilsException("Properties '"+BYOKCostanti.SECURITY_PROPERTY_PREFIX+id+".*' undefined");
        }
        
        boolean deprecatedMode = false;
        
        this.wrapId = getProperty(id, p, BYOKCostanti.SECURITY_PROPERTY_SUFFIX_WRAP_KMS, false);
        if(this.wrapId==null) {
            this.wrapId = getProperty(id, p, BYOKCostanti.SECURITY_PROPERTY_SUFFIX_WRAP_KSM_DEPRECATED, false);
            if(this.wrapId!=null) {
                deprecatedMode = true;
            }
        }
        if(this.wrapId==null) {
            this.wrapId = getProperty(id, p, BYOKCostanti.SECURITY_PROPERTY_SUFFIX_WRAP_KMS, true); // sollevo eccezione con required true
        }
        
        this.unwrapId = getProperty(id, p, BYOKCostanti.SECURITY_PROPERTY_SUFFIX_UNWRAP_KMS, false);    
        if(this.unwrapId==null) {
            this.unwrapId = getProperty(id, p, BYOKCostanti.SECURITY_PROPERTY_SUFFIX_UNWRAP_KSM_DEPRECATED, false);
            if(this.unwrapId!=null) {
                deprecatedMode = true;
            }
        }
        if(this.unwrapId==null) {
            this.unwrapId = getProperty(id, p, BYOKCostanti.SECURITY_PROPERTY_SUFFIX_UNWRAP_KMS, true); // sollevo eccezione con required true
        }
        
        String securityPropertySuffixInput = deprecatedMode ? BYOKCostanti.SECURITY_PROPERTY_SUFFIX_INPUT_KSM_DEPRECATED : BYOKCostanti.SECURITY_PROPERTY_SUFFIX_INPUT_KMS;
        
        this.inputParametersIds = new ArrayList<>();
        initInput(p, this.inputParametersIds, securityPropertySuffixInput);
        if(this.inputParametersIds!=null && !this.inputParametersIds.isEmpty()) {
            for (String inputId : this.inputParametersIds) {
                String value = getProperty(id, p, securityPropertySuffixInput+inputId, true);   
                this.inputParameters.add(new BYOKSecurityConfigParameter(inputId, value));
            }
        }
        
    }

    void initInput(Properties p, List<String> idKeystore, String securityPropertySuffixInput) {
        Enumeration<?> enKeys = p.keys();
        while (enKeys.hasMoreElements()) {
            Object object = enKeys.nextElement();
            if(object instanceof String) {
                String key = (String) object;
                initInput(key, securityPropertySuffixInput, idKeystore);    
            }
        }
    }
    void initInput(String key, String prefix, List<String> idKeystore) {
        if(key.startsWith(prefix) && key.length()>(prefix.length())) {
            String tmp = key.substring(prefix.length());
            if(!idKeystore.contains(tmp)) {
                idKeystore.add(tmp);
            }
        }
    }
    
    static String getProperty(String id, Properties p, String name, boolean required) throws UtilsException {
        String tmp = p.getProperty(name);
        if(tmp!=null) {
            return tmp.trim();
        }
        else {
            if(required) {
                throw new UtilsException("Property '"+BYOKCostanti.SECURITY_PROPERTY_PREFIX+id+"."+name+"' notFound");
            }
            return null;
        }
    }

    
    public String getId() {
        return this.id;
    }
        
    public String getPrefixForLog() {
        return "[Security BYOK '"+this.getId()+"'] ";
    }

    public String getWrapId() {
        return this.wrapId;
    }

    public String getUnwrapId() {
        return this.unwrapId;
    }
    
    public List<String> getInputParametersIds() {
        return this.inputParametersIds;
    }
    public List<BYOKSecurityConfigParameter> getInputParameters() {
        return this.inputParameters;
    }
    

}