akka-stream-oauth2 provides some useful graph shapes of akka-stream for OAuth2.
libraryDependencies += "com.github.zhongl" %% "akka-stream-oauth2-<core or wechat or dingtalk>" % <latest tag>
A simple web application it's authencation based on Wechat Work.
val ignore: HttpRequest => Boolean = ???
val oauth2: OAuth2[AccessToken] = WeWork { ??? }
val routes: Route = { ??? }
val graph = GraphDSL.create() { implicit b =>
import GraphDSL.Implicits._
val guard = b.add(Guard.graph(oauth2, ignore))
val merge = b.add(Merge[Future[HttpResponse]](2))
val serve = b.add(Flow.fromFunction(Route.asyncHandler(routes)))
// format: OFF
guard.out0 ~> serve ~> merge
guard.out1 ~> merge
// format: ON
FlowShape(guard.in, merge.out)
}
val parallelism: Int = ???
val flow = Flow[HttpRequest].via(graph).mapAsync(parallelism)(identity)
val f = http.bindAndHandle(flow, "0.0.0.0", 8080)
gracefulShutdown(f)
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