List Jenkins Credentials

jenkins-list-credentials.groovy

import com.cloudbees.plugins.credentials.CredentialsNameProvider
import com.cloudbees.plugins.credentials.Credentials
import com.cloudbees.plugins.credentials.CredentialsProvider
import com.cloudbees.plugins.credentials.common.StandardUsernamePasswordCredentials
import com.cloudbees.jenkins.plugins.sshcredentials.SSHUserPrivateKey
import org.jenkinsci.plugins.plaincredentials.StringCredentials
import org.jenkinsci.plugins.plaincredentials.FileCredentials


String checksum( String input ) {
    def digest = java.security.MessageDigest.getInstance("SHA-256")
    digest.update( input.bytes )
    new BigInteger(1,digest.digest()).toString(16).padLeft(32, '0')
}

def printCredentials(Credentials credential) {
    if(credential instanceof StandardUsernamePasswordCredentials)
        println("""
Username Password
ID: ${credential.id}
Description: ${credential.description}
Username: ${credential.username}
Password: ${credential.password?.getPlainText()}\n\n
""")
    else if(credential instanceof SSHUserPrivateKey)
        println("""
SSH User Private Key
ID: ${credential.id}
Description: ${credential.description}
Key:
${credential.privateKeySource?.getPrivateKey()}
Passphrase:
${credential.passphrase?.getPlainText()}\n\n
""")
    else if(credential instanceof StringCredentials)
        println("""
String
ID: ${credential.id}
Description: ${credential.description}
Secret: ${credential.secret?.getPlainText()}\n\n
""")
    else if(credential instanceof FileCredentials)
        println("""
File
ID: ${credential.id}
Description: ${credential.description}
Content:
${credential.content?.text}\n\n
""")
    else
        println("""
${credential.class.name}
ID: ${credential.id}
Description: ${credential.description}\n\n
""")
}


Jenkins.instance.getAllItems(com.cloudbees.hudson.plugins.folder.Folder.class).each{ f ->
    for(Credentials credential : CredentialsProvider.lookupCredentials( Credentials.class, f)) {
        printCredentials(credential)
    }
}

return