FileKeyStoreServiceTest.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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 org.kaaproject.kaa.server.operations.service.security;

import org.junit.Assert;
import org.junit.Test;
import org.kaaproject.kaa.server.common.Environment;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Random;

public class FileKeyStoreServiceTest {

  private static final Logger LOG = LoggerFactory.getLogger(FileKeyStoreServiceTest.class);

  @Test
  public void testKeysCreation() throws IOException {
    OperationsFileKeyStoreService keyStoreService = new OperationsFileKeyStoreService();
    String randomFolderName = "randomFolder" + new Random().nextInt(100000);
    LOG.info("Creating random folder: {}", randomFolderName);
    keyStoreService.setPrivateKeyLocation(randomFolderName + File.separator + "private.key");
    keyStoreService.setPublicKeyLocation(randomFolderName + File.separator + "public.key");
    try {
      keyStoreService.loadKeys();
      Assert.assertNotNull(keyStoreService.getPrivateKey());
      Assert.assertNotNull(keyStoreService.getPublicKey());
    } finally {
      removeFolder(Environment.getServerHomeDir() + File.separator + randomFolderName);
    }
  }

  @Test(expected = RuntimeException.class)
  public void testNotValidPrivateKey() throws IOException {
    OperationsFileKeyStoreService keyStoreService = new OperationsFileKeyStoreService();
    String randomFolderName = "randomFolder" + new Random().nextInt(100000);
    LOG.info("Creating random folder: {}", randomFolderName);
    keyStoreService.setPrivateKeyLocation(randomFolderName + File.separator + "private.key");
    keyStoreService.setPublicKeyLocation(randomFolderName + File.separator + "public.key");
    try {
      keyStoreService.loadKeys();
      Assert.assertNotNull(keyStoreService.getPrivateKey());
      Assert.assertNotNull(keyStoreService.getPublicKey());

      Files.delete(Paths.get(Environment.getServerHomeDir(), keyStoreService.getPrivateKeyLocation()));
      Files.createFile(Paths.get(Environment.getServerHomeDir(), keyStoreService.getPrivateKeyLocation()));
      keyStoreService.loadKeys();

    } finally {
      removeFolder(Environment.getServerHomeDir() + File.separator + randomFolderName);
    }
  }

  @Test(expected = RuntimeException.class)
  public void testNotValidPublicKey() throws IOException {
    OperationsFileKeyStoreService keyStoreService = new OperationsFileKeyStoreService();
    String randomFolderName = "randomFolder" + new Random().nextInt(100000);
    LOG.info("Creating random folder: {}", randomFolderName);
    keyStoreService.setPrivateKeyLocation(randomFolderName + File.separator + "private.key");
    keyStoreService.setPublicKeyLocation(randomFolderName + File.separator + "public.key");
    try {
      keyStoreService.loadKeys();
      Assert.assertNotNull(keyStoreService.getPrivateKey());
      Assert.assertNotNull(keyStoreService.getPublicKey());

      Files.delete(Paths.get(Environment.getServerHomeDir(), keyStoreService.getPrivateKeyLocation()));
      Files.createFile(Paths.get(Environment.getServerHomeDir(), keyStoreService.getPrivateKeyLocation()));
      keyStoreService.loadKeys();

    } finally {
      removeFolder(Environment.getServerHomeDir() + File.separator + randomFolderName);
    }
  }

  protected void removeFolder(String randomFolderName) throws IOException {
    LOG.info("Deleting random folder: {}", Paths.get(randomFolderName).toAbsolutePath().toString());
    Files.walkFileTree(Paths.get(randomFolderName), new SimpleFileVisitor<Path>() {

      @Override
      public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
        Files.delete(file);
        return FileVisitResult.CONTINUE;
      }

      @Override
      public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
        Files.delete(dir);
        return FileVisitResult.CONTINUE;
      }

    });
  }

}