Nexus password recovery

App.java

import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.sonatype.security.ldap.realms.persist.PasswordHelper;
import org.sonatype.security.ldap.upgrade.cipher.DefaultPlexusCipher;
import org.sonatype.security.ldap.upgrade.cipher.PlexusCipher;
import org.sonatype.security.ldap.upgrade.cipher.PlexusCipherException;

import java.security.Security;

/**
 * @author Pierre-Gildas MILLON <[email protected]>
 */
public class App {

  public static void main(String[] args) throws PlexusCipherException {
    final PlexusCipher cipher = new DefaultPlexusCipher();
    final String ENC = "CMMDwoV";

    Security.addProvider(new BouncyCastleProvider());

    PasswordHelper ph = new PasswordHelper() {
      public String encrypt(String password) throws PlexusCipherException {
        if(password != null) {
          return cipher.encrypt(password, ENC);
        }
        return null;
      }

      public String decrypt(String encodedPassword) throws PlexusCipherException {
        if(encodedPassword != null) {
          return cipher.decrypt(encodedPassword, ENC);
        }
        return null;
      }
    };


    System.out.println(ph.decrypt(""));
  }

}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>io.github.pgmillon</groupId>
    <artifactId>nexus.decrypt</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>org.sonatype.nexus.plugins.ldap</groupId>
            <artifactId>ldap-common</artifactId>
            <version>1.9.2.2</version>
        </dependency>
    </dependencies>

</project>