https://github.com/hanabix/akka-stream-oauth2

Some useful graph shapes of akka-stream for OAuth2
https://github.com/hanabix/akka-stream-oauth2

akka akka-stream oauth2 scala

Last synced: about 5 hours ago
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Some useful graph shapes of akka-stream for OAuth2

• Host: GitHub
• URL: https://github.com/hanabix/akka-stream-oauth2
• Owner: hanabix
• License: apache-2.0
• Created: 2018-06-14T09:15:19.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2023-11-28T08:20:41.000Z (11 months ago)
• Last Synced: 2023-11-29T04:42:14.522Z (11 months ago)
• Topics: akka, akka-stream, oauth2, scala
• Language: Scala
• Homepage:
• Size: 166 KB
• Stars: 3
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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**akka-stream-oauth2** provides some useful graph shapes of [akka-stream](https://doc.akka.io/docs/akka/current/stream/index.html) for OAuth2.

## Dependencies

```scala

libraryDependencies += "com.github.zhongl" %% "akka-stream-oauth2-" % 

```

## Usage

A simple web application it's authencation based on `Wechat Work`.

```scala

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)

```