sample.tomcat.SslApplicationTests.java Source code

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Here is the source code for sample.tomcat.SslApplicationTests.java

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/*
 * Copyright 2012-2014 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 sample.tomcat;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.security.KeyStore;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocketFactory;

import org.apache.http.conn.ssl.SSLContexts;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.test.IntegrationTest;
import org.springframework.boot.test.SpringApplicationConfiguration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.web.client.ResourceAccessException;
import org.springframework.web.client.RestTemplate;

import static org.junit.Assert.assertEquals;

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = SslApplication.class)
@WebAppConfiguration
@IntegrationTest("server.port=0")
public class SslApplicationTests {

    @Value("${local.server.port}")
    private String port;

    private SSLContext defaultContext;

    @Before
    public void setUp() throws Exception {
        this.defaultContext = SSLContext.getDefault();
    }

    @After
    public void reset() throws Exception {
        SSLContext.setDefault(this.defaultContext);
    }

    @Test(expected = ResourceAccessException.class)
    public void testUnauthenticatedHello() throws Exception {
        RestTemplate template = new RestTemplate();
        ResponseEntity<String> httpsEntity = template.getForEntity("https://localhost:" + this.port + "/hello",
                String.class);
        assertEquals(HttpStatus.OK, httpsEntity.getStatusCode());
        assertEquals("hello", httpsEntity.getBody());
    }

    @Test
    public void testAuthenticatedHello() throws Exception {
        RestTemplate template = new RestTemplate();
        final LocalhostClientHttpRequestFactory factory = new LocalhostClientHttpRequestFactory(
                secureSocketFactory());
        template.setRequestFactory(factory);

        ResponseEntity<String> httpsEntity = template.getForEntity("https://localhost:" + this.port + "/hello",
                String.class);
        assertEquals(HttpStatus.OK, httpsEntity.getStatusCode());
        assertEquals("hello", httpsEntity.getBody());
    }

    private SSLSocketFactory secureSocketFactory() throws Exception {
        KeyStore truststore = KeyStore.getInstance(KeyStore.getDefaultType());
        truststore.load(getKeyStoreFile(), "password".toCharArray());
        // setup ssl context
        SSLContext ctx = SSLContexts.custom().loadTrustMaterial(truststore)
                .loadKeyMaterial(truststore, "password".toCharArray()).build();
        return ctx.getSocketFactory();
    }

    private static class LocalhostClientHttpRequestFactory extends SimpleClientHttpRequestFactory {

        private final SSLSocketFactory socketFactory;

        public LocalhostClientHttpRequestFactory(final SSLSocketFactory socketFactory) {
            this.socketFactory = socketFactory;
        }

        @Override
        protected void prepareConnection(final HttpURLConnection connection, final String httpMethod)
                throws IOException {
            if (connection instanceof HttpsURLConnection) {
                HttpsURLConnection https = (HttpsURLConnection) connection;
                https.setHostnameVerifier(new HostnameVerifier() {
                    @Override
                    public boolean verify(final String hostname, final SSLSession session) {
                        // Trust localhost even if the certificate chain is invalid
                        return "localhost".equals(hostname);
                    }
                });
                https.setSSLSocketFactory(this.socketFactory);
            }
            super.prepareConnection(connection, httpMethod);
        }
    }

    private static InputStream getKeyStoreFile() throws IOException {
        ClassPathResource resource = new ClassPathResource("server.jks");
        return resource.getInputStream();
    }

}