An example of authentication using chained action in Play

testAuthController.scala

// Natalino Busa
 
// twitter.com/natalinobusa
// linkedin.com/in/natalinobusa
// www.natalinobusa.com

import org.apache.commons.codec.binary.Base64.decodeBase64

object Test extends Controller {

  def getUser(request: RequestHeader): Option[String] = {
    request.headers.get("Authorization").flatMap { authorization =>
      authorization.split(" ").drop(1).headOption.flatMap { encoded =>
        new String(decodeBase64(encoded.getBytes)).split(":").toList match {
          case c :: s :: Nil => Some(c)
          case _ => None
        }
      }
    }
  }

  def authTest = ChainedAction {
    request =>
      getUser(request) match {
        case Some(c: String) => hello(c)
        case _ => Action(Unauthorized)
      }

  }

  def hello(user: String) = Action {
    Ok("hello " + user + ", good morning!\n")
  }