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/*
 *  Copyright 2010 BigData.mx
 *
 *  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 mx.bigdata.sat.cfd.tools;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.security.PrivateKey;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.util.List;
import mx.bigdata.sat.cfd.CFD2;
import mx.bigdata.sat.cfd.CFD2Factory;
import mx.bigdata.sat.common.ValidationErrorHandler;
import mx.bigdata.sat.security.KeyLoaderEnumeration;
import mx.bigdata.sat.security.factory.KeyLoaderFactory;
import org.xml.sax.SAXParseException;

public final class CLI {

    public static void main(String[] args) throws Exception {
        String cmd = args[0];
        if (cmd.equals("validar")) {
            String file = args[1];
            CFD2 cfd = CFD2Factory.load(new File(file));
            ValidationErrorHandler handler = new ValidationErrorHandler();
            cfd.validar(handler);
            List errors = handler.getErrors();
            if (errors.size() > 0) {
                for (SAXParseException e : errors) {
                    System.err.printf("%s %s\n", file, e.getMessage());
                }
                System.exit(1);
            }
        } else if (cmd.equals("verificar")) {
            String file = args[1];
            CFD2 cfd = CFD2Factory.load(new File(file));
            if (args.length == 3) {

                Certificate cert = KeyLoaderFactory.createInstance(
                        KeyLoaderEnumeration.PUBLIC_KEY_LOADER,
                        new FileInputStream(args[2])
                ).getKey();

                cfd.verificar(cert);
            } else {
                cfd.verificar();
            }
        } else if (cmd.equals("sellar")) {
            String file = args[1];
            CFD2 cfd = CFD2Factory.load(new File(file));

            PrivateKey key = (PrivateKey) KeyLoaderFactory.createInstance(
                    KeyLoaderEnumeration.PRIVATE_KEY_LOADER,
                    new FileInputStream(args[2]),
                    args[3]
            ).getKey();

            X509Certificate cert = KeyLoaderFactory.createInstance(
                    KeyLoaderEnumeration.PUBLIC_KEY_LOADER,
                    new FileInputStream(args[4])
            ).getKey();

            cfd.sellar(key, cert);
            OutputStream out = new FileOutputStream(args[5]);
            cfd.guardar(out);
        }
    }
}