StoreUtils.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.security.keystore;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Properties;

import org.openspcoop2.core.byok.BYOKUtilities;
import org.openspcoop2.security.SecurityException;
import org.openspcoop2.utils.LoggerWrapperFactory;
import org.openspcoop2.utils.Utilities;
import org.openspcoop2.utils.certificate.byok.BYOKEncryptionMode;
import org.openspcoop2.utils.certificate.byok.BYOKInstance;
import org.openspcoop2.utils.certificate.byok.BYOKRequestParams;
import org.slf4j.Logger;

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

    private StoreUtils() {}
    
    public static byte[] readContent(String pName, String path) throws SecurityException {
        
        if(path==null){
            throw new SecurityException("Property "+pName+" non indicata");
        }
        
        File fStore = new File(path);
        boolean fExists = fStore.exists();
        byte[] array = null;
        try {
            try(InputStream isStore = fExists ? new FileInputStream(fStore) : StoreUtils.class.getResourceAsStream(path)){
                if(isStore!=null){
                    array = Utilities.getAsByteArray(isStore);
                }
            }
            
            if(array==null && !fExists) {
                try(InputStream isStore = StoreUtils.class.getResourceAsStream("/"+path)){
                    if(isStore!=null){
                        array = Utilities.getAsByteArray(isStore);
                    }
                }
            }
        }catch(Exception e){
            throw new SecurityException(e.getMessage(),e);
        }
        
        if(array==null){
            throw new SecurityException("Store ["+path+"] not found");
        }
        
        return array;
        
    }
    
    public static Properties readProperties(String pName, String path) throws SecurityException {
        
        if(path==null){
            throw new SecurityException("Property "+pName+" non indicata");
        }
        
        File fStore = new File(path);
        boolean fExists = fStore.exists();
        Properties propStore = null;
        try {
            try(InputStream isStore = fExists ? new FileInputStream(fStore) : StoreUtils.class.getResourceAsStream(path)){
                if(isStore!=null){
                    propStore = new Properties();
                    propStore.load(isStore);
                }
            }
            
            if(propStore==null && !fStore.exists()) {
                try(InputStream isStore = StoreUtils.class.getResourceAsStream("/"+path)){
                    if(isStore!=null){
                        propStore = new Properties();
                        propStore.load(isStore);
                    }
                }
            }
        }catch(Exception e){
            throw new SecurityException(e.getMessage(),e);
        }
        
        if(propStore==null){
            throw new SecurityException("Store ["+path+"] not found");
        }
        
        return propStore;
        
    }
    
    public static byte[] unwrapBYOK(byte[] archive, BYOKRequestParams requestParams) throws SecurityException {
        if(requestParams!=null) {
            
            if(archive!=null && BYOKUtilities.isWrappedValue(archive)) {
                archive = BYOKUtilities.deletePrefixWrappedValue(archive);
            }
            
            Logger log = LoggerWrapperFactory.getLogger(StoreUtils.class);
            BYOKInstance instance = null;
            try {
                if(requestParams.getConfig()!=null && BYOKEncryptionMode.LOCAL.equals(requestParams.getConfig().getEncryptionMode())) {
                    instance = BYOKInstance.newLocalInstance(log, requestParams, archive);
                }
                else {
                    instance = BYOKInstance.newRemoteInstance(log, requestParams, archive);
                }
            }catch(Exception e){
                throw new SecurityException(e.getMessage(),e);
            }
            BYOKStore store = new BYOKStore(instance.getKeyCache(), instance);
            return store.getStoreBytes();
        }
        return archive;
    }
}