org.sonar.process.AesCipherTest.java Source code

Introduction

Here is the source code for org.sonar.process.AesCipherTest.java

Source

/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.process;

import com.google.common.io.Resources;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang.StringUtils;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

import javax.crypto.BadPaddingException;
import java.io.File;
import java.security.InvalidKeyException;
import java.security.Key;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.fail;

public class AesCipherTest {

    @Rule
    public ExpectedException thrown = ExpectedException.none();

    @Test
    public void generateRandomSecretKey() {
        AesCipher cipher = new AesCipher(null);

        String key = cipher.generateRandomSecretKey();

        assertThat(StringUtils.isNotBlank(key)).isTrue();
        assertThat(Base64.isBase64(key.getBytes())).isTrue();
    }

    @Test
    public void encrypt() {
        AesCipher cipher = new AesCipher(pathToSecretKey());

        String encryptedText = cipher.encrypt("this is a secret");

        assertThat(StringUtils.isNotBlank(encryptedText)).isTrue();
        assertThat(Base64.isBase64(encryptedText.getBytes())).isTrue();
    }

    @Test
    public void encrypt_bad_key() {
        thrown.expect(RuntimeException.class);
        thrown.expectMessage("Invalid AES key");

        AesCipher cipher = new AesCipher(getPath("bad_secret_key.txt"));

        cipher.encrypt("this is a secret");
    }

    @Test
    public void decrypt() {
        AesCipher cipher = new AesCipher(pathToSecretKey());

        // the following value has been encrypted with the key /org/sonar/api/config/AesCipherTest/aes_secret_key.txt
        String clearText = cipher.decrypt("9mx5Zq4JVyjeChTcVjEide4kWCwusFl7P2dSVXtg9IY=");

        assertThat(clearText).isEqualTo("this is a secret");
    }

    @Test
    public void decrypt_bad_key() {
        AesCipher cipher = new AesCipher(getPath("bad_secret_key.txt"));

        try {
            cipher.decrypt("9mx5Zq4JVyjeChTcVjEide4kWCwusFl7P2dSVXtg9IY=");
            fail();

        } catch (RuntimeException e) {
            assertThat(e.getCause()).isInstanceOf(InvalidKeyException.class);
        }
    }

    @Test
    public void decrypt_other_key() {
        AesCipher cipher = new AesCipher(getPath("other_secret_key.txt"));

        try {
            // text encrypted with another key
            cipher.decrypt("9mx5Zq4JVyjeChTcVjEide4kWCwusFl7P2dSVXtg9IY=");
            fail();

        } catch (RuntimeException e) {
            assertThat(e.getCause()).isInstanceOf(BadPaddingException.class);
        }
    }

    @Test
    public void encryptThenDecrypt() {
        AesCipher cipher = new AesCipher(pathToSecretKey());

        assertThat(cipher.decrypt(cipher.encrypt("foo"))).isEqualTo("foo");
    }

    @Test
    public void testDefaultPathToSecretKey() {
        AesCipher cipher = new AesCipher(null);

        String path = cipher.getPathToSecretKey();

        assertThat(StringUtils.isNotBlank(path)).isTrue();
        assertThat(new File(path).getName()).isEqualTo("sonar-secret.txt");
    }

    @Test
    public void loadSecretKeyFromFile() throws Exception {
        AesCipher cipher = new AesCipher(null);
        Key secretKey = cipher.loadSecretFileFromFile(pathToSecretKey());
        assertThat(secretKey.getAlgorithm()).isEqualTo("AES");
        assertThat(secretKey.getEncoded().length).isGreaterThan(10);
    }

    @Test
    public void loadSecretKeyFromFile_trim_content() throws Exception {
        String path = getPath("non_trimmed_secret_key.txt");
        AesCipher cipher = new AesCipher(null);

        Key secretKey = cipher.loadSecretFileFromFile(path);

        assertThat(secretKey.getAlgorithm()).isEqualTo("AES");
        assertThat(secretKey.getEncoded().length).isGreaterThan(10);
    }

    @Test
    public void loadSecretKeyFromFile_file_does_not_exist() throws Exception {
        thrown.expect(IllegalStateException.class);

        AesCipher cipher = new AesCipher(null);
        cipher.loadSecretFileFromFile("/file/does/not/exist");
    }

    @Test
    public void loadSecretKeyFromFile_no_property() throws Exception {
        thrown.expect(IllegalStateException.class);

        AesCipher cipher = new AesCipher(null);
        cipher.loadSecretFileFromFile(null);
    }

    @Test
    public void hasSecretKey() {
        AesCipher cipher = new AesCipher(pathToSecretKey());

        assertThat(cipher.hasSecretKey()).isTrue();
    }

    @Test
    public void doesNotHaveSecretKey() {
        AesCipher cipher = new AesCipher("/my/twitter/id/is/SimonBrandhof");

        assertThat(cipher.hasSecretKey()).isFalse();
    }

    private static String getPath(String file) {
        return Resources.getResource(AesCipherTest.class, "AesCipherTest/" + file).getPath();
    }

    private static String pathToSecretKey() {
        return getPath("aes_secret_key.txt");
    }

}