Prakash Prakash - 1 year ago 185
Scala Question

Play Framework REST with basic authentication and SSL

I am new to this authentication area. I searched a lot but was not able to find a way to authenticate the REST calls made to the Play server. What are the various ways and best practice?

Answer Source

A very easy way is to use Action Composition. For a sample, take a look at this Gist provided by Guillaume Bort: If you want to use it in an async action, you can write something like:

def BasicSecured[A](username: String, password: String)(action: Action[A]): Action[A] = Action.async(action.parser) { request =>
  request.headers.get("Authorization").flatMap { authorization =>
    authorization.split(" ").drop(1).headOption.filter { encoded =>
      new String(org.apache.commons.codec.binary.Base64.decodeBase64(encoded.getBytes)).split(":").toList match {
        case u :: p :: Nil if u == username && password == p => true
        case _ => false
  }.map(_ => action(request)).getOrElse {
    Future.successful(Unauthorized.withHeaders("WWW-Authenticate" -> """Basic realm="Secured Area""""))

SSL does not have anything to do with basic authentication. You can use HTTPS for API either directly or through a front-end HTTP server like ngnix. There are pretty good details in Play documentation on this subject.

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