org.neo4j.bolt.security.ssl.TestSslCertificateFactory.java Source code

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Here is the source code for org.neo4j.bolt.security.ssl.TestSslCertificateFactory.java

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/*
 * Copyright (c) 2002-2016 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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.neo4j.bolt.security.ssl;

import io.netty.handler.ssl.util.SelfSignedCertificate;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import java.io.File;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.security.PrivateKey;
import java.security.cert.Certificate;

import org.neo4j.io.fs.FileUtils;

import static java.nio.file.StandardOpenOption.WRITE;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;

public class TestSslCertificateFactory {
    @Rule
    public TemporaryFolder tmpDir = new TemporaryFolder();

    @Test
    public void shouldCreateASelfSignedCertificate() throws Exception {
        // Given
        Certificates sslFactory = new Certificates();
        File cPath = new File(tmpDir.getRoot(), "certificate");
        File pkPath = new File(tmpDir.getRoot(), "key");

        // When
        sslFactory.createSelfSignedCertificate(cPath, pkPath, "myhost");

        // Then
        // Attempt to load certificate
        Certificate[] certificates = sslFactory.loadCertificates(cPath);
        assertThat(certificates.length, is(greaterThan(0)));

        // Attempt to load private key
        PrivateKey pk = sslFactory.loadPrivateKey(pkPath);
        assertThat(pk, notNullValue());
    }

    @Test
    public void shouldLoadPEMCertificates() throws Throwable {
        // Given
        SelfSignedCertificate cert = new SelfSignedCertificate("example.com");
        Certificates certs = new Certificates();

        File pemCertificate = cert.certificate();

        // When
        Certificate[] certificates = certs.loadCertificates(pemCertificate);

        // Then
        assertThat(certificates.length, equalTo(1));
    }

    @Test
    public void shouldLoadPEMPrivateKey() throws Throwable {
        // Given
        SelfSignedCertificate cert = new SelfSignedCertificate("example.com");
        Certificates certs = new Certificates();

        File privateKey = cert.privateKey();

        // When
        PrivateKey pk = certs.loadPrivateKey(privateKey);

        // Then
        assertNotNull(pk);
    }

    /**
     * For backwards-compatibility reasons, we support both PEM-encoded certificates *and* raw binary files containing
     * the certificate data.
     *
     * @throws Throwable
     */
    @Test
    public void shouldLoadBinaryCertificates() throws Throwable {
        // Given
        SelfSignedCertificate cert = new SelfSignedCertificate("example.com");
        Certificates certs = new Certificates();

        File cPath = tmpDir.newFile("certificate");
        byte[] raw = certs.loadCertificates(cert.certificate())[0].getEncoded();

        try (FileChannel ch = FileChannel.open(cPath.toPath(), WRITE)) {
            FileUtils.writeAll(ch, ByteBuffer.wrap(raw));
        }

        // When
        Certificate[] certificates = certs.loadCertificates(cPath);

        // Then
        assertThat(certificates.length, equalTo(1));
    }

    /**
     * For backwards-compatibility reasons, we support both PEM-encoded private keys *and* raw binary files containing
     * the private key data
     *
     * @throws Throwable
     */
    @Test
    public void shouldLoadBinaryPrivateKey() throws Throwable {
        // Given
        SelfSignedCertificate cert = new SelfSignedCertificate("example.com");
        Certificates certs = new Certificates();

        File keyFile = tmpDir.newFile("certificate");
        byte[] raw = certs.loadPrivateKey(cert.privateKey()).getEncoded();

        try (FileChannel ch = FileChannel.open(keyFile.toPath(), WRITE)) {
            FileUtils.writeAll(ch, ByteBuffer.wrap(raw));
        }

        // When
        PrivateKey pk = certs.loadPrivateKey(keyFile);

        // Then
        assertNotNull(pk);
    }
}