Decodes maven passwords in configuration

mavenPwdDecode.groovy

#!/usr/bin/env groovy
// for logging: #!/usr/bin/env JAVA_OPTS=-Dgroovy.grape.report.downloads=true groovy

@Grab(group='commons-codec', module='commons-codec', version='1.10')
@Grab(group='org.sonatype.plexus', module='plexus-cipher', version='1.7')

import java.nio.file.Paths
import org.apache.commons.codec.binary.Base64
import org.sonatype.plexus.components.cipher.DefaultPlexusCipher

String SYSTEM_PROPERTY_SEC_LOCATION = "settings.security";
DefaultPlexusCipher cipher = new DefaultPlexusCipher();
String masterPasswd = ""

File settingsSecurityFile = Paths.get( System.getProperty("user.home"), ".m2", "settings-security.xml").toFile()
def rootNode = new XmlSlurper().parse( settingsSecurityFile )
rootNode.children().findAll{ it.name() == 'master' }.each{ m ->
	m.toString().find(/(?<=\{).*(?=\})/) { encodedText -> 		
        masterPasswd = cipher.decryptDecorated( encodedText, SYSTEM_PROPERTY_SEC_LOCATION )
		println "master password: ${masterPasswd}"
	}
}

File settingsFile = Paths.get( System.getProperty("user.home"), ".m2", "settings.xml").toFile()
rootNode = new XmlSlurper().parse( settingsFile )
rootNode.servers.children().findAll{ it.name() == 'server' }.each{ m ->


	String pw = cipher.isEncryptedString(m.password.text()) ? 
		cipher.decryptDecorated( m.password.text(), masterPasswd ) : m.password.text()
	println "server id: ${m.id} username: ${m.username} password: ${pw}"	
}