JSONWebTokens on Scalatra

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JSONWebTokens on Scalatra

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I am trying to add security to my web application using JWT in Scalatra. At the moment I am using Scentry and I have the User-Password and RememberMe strategies defined and working. My intention is to change the RememberMe strategy, which currently works with cookies, for an authentication with JWT.

I found this implementation that I can incorporate using the json4s extension ( example ) but I'm not sure how to include it in my code:

Can I simply replace the cookie checks with the JWT checks with the functions in the example?

How should I access the JWT?

json scala

asked by Hellzzar 27.03.2016 в 14:16

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score 0 · Accepted Answer

According to the documentation you only have to write your own strategy that uses the trait BasicAuthStrategy

class JWTAuthStrategy(protected override val app: ScalatraBase, realm: String) extends BasicAuthStrategy[User](app, realm) {

  protected def validate(token: String): Option[User] = {
    // Aquí usar las funciones de Jwt para validar el token.
    if(Jwt.isValid(token, "secretKey", Seq(JwtAlgorithm.HS256))) Some(User("scalatra"))
    else None
  }

  protected def getUserId(user: User): String = user.id
}

And register your new strategy with the registerAuthStrategies method

You can take a look at this example: link