ratpack.config.internal.module.NettySslContextDeserializer.java Source code

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Here is the source code for ratpack.config.internal.module.NettySslContextDeserializer.java

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/*
 * Copyright 2015 the original author or authors.
 *
 * 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 ratpack.config.internal.module;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.node.ObjectNode;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import ratpack.ssl.internal.SslContexts;
import ratpack.util.Exceptions;

import javax.net.ssl.KeyManagerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.GeneralSecurityException;

public class NettySslContextDeserializer extends JsonDeserializer<SslContext> {

    @SuppressWarnings("Duplicates")
    @Override
    public SslContext deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
        ObjectNode node = jp.readValueAsTree();

        try {
            String keyStoreFile = node.path("keystoreFile").asText();
            String keyStorePassword = node.path("keystorePassword").asText();
            String trustStoreFile = node.path("truststoreFile").asText();
            String trustStorePassword = node.path("truststorePassword").asText();

            if (keyStoreFile.isEmpty()) {
                throw new IllegalStateException("keystoreFile must be set if any ssl properties are set");
            } else if (keyStorePassword.isEmpty()) {
                throw new IllegalStateException("keystorePassword must be set if any ssl properties are set");
            } else if (!trustStoreFile.isEmpty() && trustStorePassword.isEmpty()) {
                throw new IllegalStateException(
                        "truststorePassword must be specified when truststoreFile is specified");
            }

            KeyManagerFactory keyManagerFactory;
            try (InputStream is = Files.newInputStream(Paths.get(keyStoreFile))) {
                keyManagerFactory = SslContexts.keyManagerFactory(is, keyStorePassword.toCharArray());
            }

            SslContextBuilder builder = SslContextBuilder.forServer(keyManagerFactory);

            if (!trustStoreFile.isEmpty()) {
                try (InputStream is = Files.newInputStream(Paths.get(trustStoreFile))) {
                    builder.trustManager(SslContexts.trustManagerFactory(is, trustStorePassword.toCharArray()));
                }
            }

            return builder.build();
        } catch (GeneralSecurityException ex) {
            throw Exceptions.uncheck(ex);
        }
    }
}