Dump jenkins credentials - use in script console

jenkins-dump-credentials.groovy

import com.cloudbees.plugins.credentials.*
import com.cloudbees.plugins.credentials.common.*
import com.cloudbees.plugins.credentials.domains.*
import com.cloudbees.plugins.credentials.impl.*
import org.jenkinsci.plugins.plaincredentials.impl.*

domain = Domain.global()
store = SystemCredentialsProvider.getInstance().getStore()

for (credential in store.getCredentials(domain)) {
  if (credential instanceof UsernamePasswordCredentialsImpl) {
    println "----------"
    println "- usernamePassword:\n    description: " + credential.description + "\n    id: " + credential.id + "\n    scope: " + credential.scope + "\n    username: " + credential.username + "\n    password: " + credential.password.plainText + "\n"
  } else if (credential instanceof StringCredentialsImpl) {
    println "----------"
    println "- SecretText: " + credential.id + " " + credential.secret.plainText
  } else if(credential instanceof FileCredentialsImpl) {
    println "----------"
    decrypted_file = new String(com.cloudbees.plugins.credentials.SecretBytes.getPlainData(credential.secretBytes), "ASCII")
    println "- File: " + credential.id + " " + credential.fileName + "\n" + decrypted_file
  } else {
    // use the following information to add other credential types to this large if statement
    println credential.class
    println credential.class.collect{c -> [c.declaredMethods,c.methods]}.flatten()*.name as SortedSet
  }
}