org.apache.ambari.server.security.TestPassFileGeneration.java Source code

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Here is the source code for org.apache.ambari.server.security.TestPassFileGeneration.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 org.apache.ambari.server.security;

import java.io.File;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.util.Properties;
import java.util.Random;

import org.apache.ambari.server.configuration.Configuration;
import org.apache.ambari.server.utils.ShellCommandUtil;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.RandomStringUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Inject;
import com.google.inject.Injector;

import junit.framework.TestCase;

public class TestPassFileGeneration extends TestCase {

    private static final int PASS_FILE_NAME_LEN = 20;
    private static final float MAX_PASS_LEN = 100;

    public TemporaryFolder temp = new TemporaryFolder();

    Injector injector;

    private static CertificateManager certMan;
    private String passFileName;
    private int passLen;

    @Inject
    static void init(CertificateManager instance) {
        certMan = instance;
    }

    private class SecurityModule extends AbstractModule {
        @Override
        protected void configure() {
            bind(Properties.class).toInstance(buildTestProperties());
            bind(Configuration.class).toConstructor(getConfigurationConstructor());
            requestStaticInjection(CertGenerationTest.class);
        }
    }

    protected Properties buildTestProperties() {
        try {
            temp.create();
        } catch (IOException e) {
            e.printStackTrace();
        }
        Properties properties = new Properties();
        properties.setProperty(Configuration.SRVR_KSTR_DIR_KEY, temp.getRoot().getAbsolutePath());

        passLen = (int) Math.abs((new Random().nextFloat() * MAX_PASS_LEN));

        properties.setProperty(Configuration.SRVR_CRT_PASS_LEN_KEY, String.valueOf(passLen));

        passFileName = RandomStringUtils.randomAlphabetic(PASS_FILE_NAME_LEN);
        properties.setProperty(Configuration.SRVR_CRT_PASS_FILE_KEY, passFileName);

        return properties;
    }

    protected Constructor<Configuration> getConfigurationConstructor() {
        try {
            return Configuration.class.getConstructor(Properties.class);
        } catch (NoSuchMethodException e) {
            throw new RuntimeException("Expected constructor not found in Configuration.java", e);
        }
    }

    @Before
    public void setUp() throws IOException {

        injector = Guice.createInjector(new SecurityModule());
        certMan = injector.getInstance(CertificateManager.class);

        certMan.initRootCert();
    }

    @After
    public void tearDown() throws IOException {
        temp.delete();
    }

    @Test
    public void testPassFileGen() throws Exception {

        File passFile = new File(temp.getRoot().getAbsolutePath() + File.separator + passFileName);

        assertTrue(passFile.exists());

        String pass = FileUtils.readFileToString(passFile);

        assertEquals(pass.length(), passLen);

        if (ShellCommandUtil.LINUX) {
            String permissions = ShellCommandUtil.getUnixFilePermissions(passFile.getAbsolutePath());
            assertEquals(ShellCommandUtil.MASK_OWNER_ONLY_RW, permissions);
        } else {
            //Do nothing
        }
        // Cleanup
        passFile.delete();
    }

}