jwt.groovy

@Grab('io.jsonwebtoken:jjwt:0.8.0')
import io.jsonwebtoken.*

def secret = 'SECRET'
def payload = [
    gid: "PLOM",                                                  // global facility id
    uid: 123,                                                     // user id (if previously provided)
    email: "[email protected]",                                   // user email
    firstName: "Jožko",                                           // user first name
    lastName: "Mrkvička",                                         // user last name
    phone: "+420666123456",                                       // user phone
    rid: 123,                                                     // reservation id
    exp: System.currentTimeSeconds() + 15*60,                     // reservation expiration timestamp
    title: 'Balík apartmán premium wellness',                     // package title
    desc: 'Luxusný pobyt na 3 dni all inclusive s wellnessom',    // package description
    price: 123.45,                                                // package price
    cur: 'EUR'                                                    // currency of package price
]

def jwt = Jwts.builder().setClaims(payload).signWith(SignatureAlgorithm.HS256, secret.bytes).compressWith(CompressionCodecs.DEFLATE).compact()
    
println jwt    

Jwts.parser().setSigningKey(secret.bytes).parseClaimsJws(jwt).body