gobblin.data.management.copy.converter.DecryptConverterTest.java Source code

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Here is the source code for gobblin.data.management.copy.converter.DecryptConverterTest.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 gobblin.data.management.copy.converter;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.UUID;

import org.apache.commons.io.IOUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.jasypt.util.text.BasicTextEncryptor;
import org.testng.Assert;
import org.testng.annotations.Test;

import com.google.common.base.Charsets;
import com.google.common.collect.Iterables;
import com.google.common.io.Files;

import gobblin.configuration.ConfigurationKeys;
import gobblin.configuration.State;
import gobblin.configuration.WorkUnitState;
import gobblin.converter.DataConversionException;
import gobblin.crypto.EncryptionConfigParser;
import gobblin.data.management.copy.CopyableFileUtils;
import gobblin.data.management.copy.FileAwareInputStream;

/**
 * Unit tests for {@link DecryptConverter}.
 */
@Test(groups = { "gobblin.data.management.copy.converter", "disabledOnTravis" })
public class DecryptConverterTest {

    private final File masterPwdFile = new File("masterPwd");

    @Test
    public void testConvertGpgRecord() throws Exception {
        final String expectedFileContents = "123456789";
        final String passphrase = "12";
        DecryptConverter converter = new DecryptConverter();
        WorkUnitState workUnitState = new WorkUnitState();

        try {
            setEncryptedPassphrase(passphrase, workUnitState);
            converter.init(workUnitState);

            FileSystem fs = FileSystem.getLocal(new Configuration());

            URL url = getClass().getClassLoader().getResource("decryptConverterTest/decrypt-test.txt.gpg");
            Assert.assertNotNull(url);

            String gpgFilePath = url.getFile();
            try (FSDataInputStream gpgFileInput = fs.open(new Path(gpgFilePath))) {
                FileAwareInputStream fileAwareInputStream = new FileAwareInputStream(
                        CopyableFileUtils.getTestCopyableFile(), gpgFileInput);

                Iterable<FileAwareInputStream> iterable = converter.convertRecord("outputSchema",
                        fileAwareInputStream, workUnitState);
                fileAwareInputStream = Iterables.getFirst(iterable, null);
                Assert.assertNotNull(fileAwareInputStream);

                String actual = IOUtils.toString(fileAwareInputStream.getInputStream(), Charsets.UTF_8);
                Assert.assertEquals(actual, expectedFileContents);
            }
        } finally {
            deleteMasterPwdFile();
            converter.close();
        }
    }

    @Test
    public void testConvertDifferentEncryption() throws IOException, DataConversionException {
        final String expectedFileContents = "2345678";

        WorkUnitState workUnitState = new WorkUnitState();
        workUnitState.getJobState().setProp("converter.encrypt." + EncryptionConfigParser.ENCRYPTION_ALGORITHM_KEY,
                "insecure_shift");

        try (DecryptConverter converter = new DecryptConverter()) {
            converter.init(workUnitState);
            FileSystem fs = FileSystem.getLocal(new Configuration());

            URL url = getClass().getClassLoader()
                    .getResource("decryptConverterTest/decrypt-test.txt.insecure_shift");
            Assert.assertNotNull(url);

            String testFilePath = url.getFile();
            try (FSDataInputStream testFileInput = fs.open(new Path(testFilePath))) {
                FileAwareInputStream fileAwareInputStream = new FileAwareInputStream(
                        CopyableFileUtils.getTestCopyableFile(), testFileInput);
                fileAwareInputStream.getFile()
                        .setDestination(new Path("file:///tmp/decrypt-test.txt.insecure_shift"));
                Iterable<FileAwareInputStream> iterable = converter.convertRecord("outputSchema",
                        fileAwareInputStream, workUnitState);
                FileAwareInputStream decryptedStream = Iterables.getFirst(iterable, null);
                Assert.assertNotNull(decryptedStream);

                String actual = IOUtils.toString(decryptedStream.getInputStream(), Charsets.UTF_8);
                Assert.assertEquals(actual, expectedFileContents);
                Assert.assertEquals(decryptedStream.getFile().getDestination().getName(), "decrypt-test.txt");
            }
        }
    }

    private void setEncryptedPassphrase(String plainPassphrase, State state) throws IOException {
        String masterPassword = UUID.randomUUID().toString();
        createMasterPwdFile(masterPassword);
        state.setProp(ConfigurationKeys.ENCRYPT_KEY_LOC, this.masterPwdFile.toString());
        state.setProp(ConfigurationKeys.ENCRYPT_USE_STRONG_ENCRYPTOR, false);
        BasicTextEncryptor encryptor = new BasicTextEncryptor();
        encryptor.setPassword(masterPassword);
        String encrypted = encryptor.encrypt(plainPassphrase);
        state.setProp("converter.decrypt.passphrase", "ENC(" + encrypted + ")");
    }

    private void createMasterPwdFile(String masterPwd) throws IOException {
        Assert.assertTrue(this.masterPwdFile.createNewFile());

        Files.write(masterPwd, this.masterPwdFile, Charset.defaultCharset());
    }

    private void deleteMasterPwdFile() {
        Assert.assertTrue(this.masterPwdFile.delete());
    }

}