com.meltmedia.dropwizard.crypto.DecryptCommandTest.java Source code

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Here is the source code for com.meltmedia.dropwizard.crypto.DecryptCommandTest.java

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/**
 * Copyright (C) 2014 meltmedia (christian.trimble@meltmedia.com)
 *
 * 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 com.meltmedia.dropwizard.crypto;

import static com.meltmedia.dropwizard.crypto.Mocks.mockInput;
import static com.meltmedia.dropwizard.crypto.Mocks.mockOutput;
import static com.meltmedia.dropwizard.crypto.Mocks.mockPointer;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.mockito.Mockito.mock;

import java.util.concurrent.Callable;

import net.sourceforge.argparse4j.inf.Namespace;

import org.junit.Before;
import org.junit.Test;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import com.meltmedia.jackson.crypto.EncryptedJson;
import com.meltmedia.jackson.crypto.EncryptionService;
import com.meltmedia.jackson.crypto.Functions;

public class DecryptCommandTest {

    Namespace namespace;
    EncryptionService<EncryptedJson> service;
    ObjectMapper yamlMapper = new ObjectMapper(new YAMLFactory());

    @Before
    public void setUp() {
        namespace = mock(Namespace.class);

        service = EncryptionService.builder()
                .withPassphraseLookup(Functions.constPassphraseFunction("correct horse battery staple"))
                .withEncryptedJsonSupplier(Functions.encryptedJsonSupplier()).withObjectMapper(new ObjectMapper())
                .build();
    }

    @Test
    public void testDecryption() throws Exception {
        mockInput(namespace,
                "secret:\n" + "  salt: \"02n2NA==\"\n" + "  iv: \"WsiLMqSgKqTiURkqbuOnZw==\"\n"
                        + "  value: \"1ww7k45AN+XvZHaEPrlztA==\"\n" + "  cipher: \"aes-256-cbc\"\n"
                        + "  keyDerivation: \"pbkdf2\"\n" + "  keyLength: 256\n" + "  iterations: 2000\n"
                        + "  encrypted: true\n");

        Callable<String> output = mockOutput(namespace);
        mockPointer(namespace, "/secret");

        Commands.Decrypt command = new Commands.Decrypt("decrypt", "desc", service);

        command.run(null, namespace);

        JsonNode result = yamlMapper.readValue(output.call(), JsonNode.class);
        assertThat(result.at("/secret").asText(), equalTo("value"));
    }

    @Test
    public void testDecryptionWithOtherKeys() throws Exception {
        mockInput(namespace,
                "before: before value\n" + "secret:\n" + "  salt: \"02n2NA==\"\n"
                        + "  iv: \"WsiLMqSgKqTiURkqbuOnZw==\"\n" + "  value: \"1ww7k45AN+XvZHaEPrlztA==\"\n"
                        + "  cipher: \"aes-256-cbc\"\n" + "  keyDerivation: \"pbkdf2\"\n" + "  keyLength: 256\n"
                        + "  iterations: 2000\n" + "  encrypted: true\n" + "after: after value\n");

        Callable<String> output = mockOutput(namespace);
        mockPointer(namespace, "/secret");

        Commands.Decrypt command = new Commands.Decrypt("decrypt", "desc", service);

        command.run(null, namespace);

        JsonNode result = yamlMapper.readValue(output.call(), JsonNode.class);
        assertThat(result.at("/before").asText(), equalTo("before value"));
        assertThat(result.at("/secret").asText(), equalTo("value"));
        assertThat(result.at("/after").asText(), equalTo("after value"));

    }
}