I'm trying to write authenticator for akka-http using Authorization header.
I came up with something:
def logUserIn(token:String):Future[Option[UserId]] = ???
val withUserId: Directive1[User.Id] = {
extractExecutionContext.flatMap { implicit ec =>
headerValueByType[Authorization]().flatMap { authHdr =>
{
onSuccess(logUserIn(authHdr)).flatMap {
case Some(userId) => provide[UserId](userId): Directive1[UserId]
case None => reject(MissingHeaderRejection(Authorization.name)): Directive1[
UserId]
}
}
}
}
}It seems to work, but gives compilation warning:
[info] Compiling 1 Scala source to
/Users/mar/git/sgrouples/target/scala-2.11/classes...
[warn] Adaptation of argument list by inserting () has been deprecated:
this is unlikely to be what you want.
[warn] signature: HeaderDirectives.headerValueByTypeT <:
akka.http.scaladsl.model.HttpHeader: akka.http.scaladsl.server.Directive1[T]
[warn] given arguments:
[warn] after adaptation: HeaderDirectives.headerValueByType((): Unit)
[warn] headerValueByTypeAuthorization
<https://gist.github.com/marekzebrowski/c3c4d24b4ffbcb219036eb175233728a>.flatMap
{ authHdr =>
[warn] ^
[warn] one warning found
I'm puzzled if it is intended usage of this directive, or should I manually
construct ClassMagnet[T] for this Directive ?
In source code I can find example, that is constructed in the same way.
headerValueByType[Origin]() { origin ⇒
complete(s"The first origin was ${origin.origins.head}")
}
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