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/*
* SonarQube
* Copyright (C) 2009-2025 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.api.config.internal;
import java.io.File;
import java.net.URL;
import java.security.InvalidKeyException;
import java.security.Key;
import javax.crypto.BadPaddingException;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang3.StringUtils;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
public class AesECBCipherTest {
@Test
public void generateRandomSecretKey() {
AesECBCipher cipher = new AesECBCipher(null);
String key = cipher.generateRandomSecretKey();
assertThat(StringUtils.isNotBlank(key)).isTrue();
assertThat(Base64.isArrayByteBase64(key.getBytes())).isTrue();
}
@Test
public void encrypt() throws Exception {
AesECBCipher cipher = new AesECBCipher(pathToSecretKey());
String encryptedText = cipher.encrypt("this is a secret");
assertThat(StringUtils.isNotBlank(encryptedText)).isTrue();
assertThat(Base64.isArrayByteBase64(encryptedText.getBytes())).isTrue();
}
@Test
public void encrypt_bad_key() throws Exception {
URL resource = getClass().getResource("/org/sonar/api/config/internal/AesCipherTest/bad_secret_key.txt");
AesECBCipher cipher = new AesECBCipher(new File(resource.toURI()).getCanonicalPath());
assertThatThrownBy(() -> cipher.encrypt("this is a secret"))
.isInstanceOf(RuntimeException.class)
.hasCauseInstanceOf(InvalidKeyException.class);
}
@Test
public void decrypt() throws Exception {
AesECBCipher cipher = new AesECBCipher(pathToSecretKey());
// the following value has been encrypted with the key /org/sonar/api/config/internal/AesCipherTest/aes_secret_key.txt
String clearText = cipher.decrypt("9mx5Zq4JVyjeChTcVjEide4kWCwusFl7P2dSVXtg9IY=");
assertThat(clearText).isEqualTo("this is a secret");
}
@Test
public void decrypt_bad_key() throws Exception {
URL resource = getClass().getResource("/org/sonar/api/config/internal/AesCipherTest/bad_secret_key.txt");
AesECBCipher cipher = new AesECBCipher(new File(resource.toURI()).getCanonicalPath());
assertThatThrownBy(() -> cipher.decrypt("9mx5Zq4JVyjeChTcVjEide4kWCwusFl7P2dSVXtg9IY="))
.isInstanceOf(RuntimeException.class)
.hasCauseInstanceOf(InvalidKeyException.class);
}
@Test
public void decrypt_other_key() throws Exception {
URL resource = getClass().getResource("/org/sonar/api/config/internal/AesCipherTest/other_secret_key.txt");
AesECBCipher cipher = new AesECBCipher(new File(resource.toURI()).getCanonicalPath());
assertThatThrownBy(() -> cipher.decrypt("9mx5Zq4JVyjeChTcVjEide4kWCwusFl7P2dSVXtg9IY="))
.isInstanceOf(RuntimeException.class)
.hasCauseInstanceOf(BadPaddingException.class);
}
@Test
public void encryptThenDecrypt() throws Exception {
AesECBCipher cipher = new AesECBCipher(pathToSecretKey());
assertThat(cipher.decrypt(cipher.encrypt("foo"))).isEqualTo("foo");
}
@Test
public void testDefaultPathToSecretKey() {
AesECBCipher cipher = new AesECBCipher(null);
String path = cipher.getPathToSecretKey();
assertThat(StringUtils.isNotBlank(path)).isTrue();
assertThat(new File(path)).hasName("sonar-secret.txt");
}
@Test
public void loadSecretKeyFromFile() throws Exception {
AesECBCipher cipher = new AesECBCipher(null);
Key secretKey = cipher.loadSecretFileFromFile(pathToSecretKey());
assertThat(secretKey.getAlgorithm()).isEqualTo("AES");
assertThat(secretKey.getEncoded()).hasSizeGreaterThan(10);
}
@Test
public void loadSecretKeyFromFile_trim_content() throws Exception {
URL resource = getClass().getResource("/org/sonar/api/config/internal/AesCipherTest/non_trimmed_secret_key.txt");
String path = new File(resource.toURI()).getCanonicalPath();
AesECBCipher cipher = new AesECBCipher(null);
Key secretKey = cipher.loadSecretFileFromFile(path);
assertThat(secretKey.getAlgorithm()).isEqualTo("AES");
assertThat(secretKey.getEncoded()).hasSizeGreaterThan(10);
}
@Test
public void loadSecretKeyFromFile_file_does_not_exist() throws Exception {
AesECBCipher cipher = new AesECBCipher(null);
assertThatThrownBy(() -> cipher.loadSecretFileFromFile("/file/does/not/exist"))
.isInstanceOf(IllegalStateException.class);
}
@Test
public void loadSecretKeyFromFile_no_property() throws Exception {
AesECBCipher cipher = new AesECBCipher(null);
assertThatThrownBy(() -> cipher.loadSecretFileFromFile(null))
.isInstanceOf(IllegalStateException.class);
}
@Test
public void hasSecretKey() throws Exception {
AesECBCipher cipher = new AesECBCipher(pathToSecretKey());
assertThat(cipher.hasSecretKey()).isTrue();
}
@Test
public void doesNotHaveSecretKey() {
AesECBCipher cipher = new AesECBCipher("/my/twitter/id/is/SimonBrandhof");
assertThat(cipher.hasSecretKey()).isFalse();
}
private String pathToSecretKey() throws Exception {
URL resource = getClass().getResource("/org/sonar/api/config/internal/AesCipherTest/aes_secret_key.txt");
return new File(resource.toURI()).getCanonicalPath();
}
}
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