SignaturesDynamicRouteBuilder.java

/*
 * Copyright (C) Scott Cranton, Jakub Korab, and Christian Posta
 * https://github.com/CamelCookbook
 *
 * 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 org.camelcookbook.security.signatures;

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.crypto.DigitalSignatureConstants;

/**
 * Demonstrates the use of public and private keys to digitally sign a message payload.
 */
public class SignaturesDynamicRouteBuilder extends RouteBuilder {

    @Override
    public void configure() throws Exception {
        from("direct:sign_a")
            .to("crypto:sign://usingKeystore?keystore=#keyStore&alias=system_a&password=keyPasswordA")
            .setHeader("sendingSystem", constant("a"))
            .to("direct:verify");

        from("direct:sign_b")
            .to("crypto:sign://usingKeystore?keystore=#keyStore&alias=system_b&password=keyPasswordB")
            .setHeader("sendingSystem", constant("b"))
            .to("direct:verify");

        from("direct:verify")
            .log("Verifying message")
            .setHeader(DigitalSignatureConstants.KEYSTORE_ALIAS,
                simple("system_${header[sendingSystem]}"))
            .to("crypto:verify://usingKeystore?keystore=#trustStore")
            .log("Message verified")
            .to("mock:verified");
    }
}