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Unable to authenticate OAuth2 with Akka-Http


Unable to authenticate OAuth2 with Akka-Http

By : honorem
Date : November 21 2020, 03:00 PM
Hope this helps This was an error in IntelliJ.
The code runs fine but due to some reason IntelliJ Idea shows error all over it.
code :


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scala akka http route with authenticate by a token

scala akka http route with authenticate by a token


By : AndrewV
Date : March 29 2020, 07:55 AM
it fixes the issue Looks like Akka-HTTP authentication directives are stricter in what they expect than Spray's. If you want to keep your doAuthApp unchanged, you'll need to define your own custom directive - along the lines of Akka-HTTP's own authenticateOrRejectWithChallenge.
code :
  def doAuthApp[T](token: String): Future[AuthenticationResult[T]] = ???

  def authenticated[T](authenticator: String => Future[AuthenticationResult[T]]): AuthenticationDirective[T] =
    parameter('access_token.?).flatMap {
      case Some(token) =>
        onSuccess(authenticator(token)).flatMap {
          case Right(s) => provide(s)
          case Left(challenge) =>
            reject(AuthenticationFailedRejection(CredentialsRejected, challenge)): Directive1[T]
        }
      case None =>
        reject(AuthenticationFailedRejection(CredentialsMissing, HttpChallenges.oAuth2("my_realm"))): Directive1[T]
    }
  val route : Route = {
    path("appActive") {
      (get & authenticated(doAuthApp)){ authResult =>
        parameters('date_end.as[Long]) {
          date_end =>
            ...
        }
      }
    }
  }
Conflicting Akka versions when using Akka / Akka Streams / Akka HTTP

Conflicting Akka versions when using Akka / Akka Streams / Akka HTTP


By : Mustafa
Date : March 29 2020, 07:55 AM
around this issue chunjef's answer is correct.If you want to clear the warning indeed,add the following code to your build.sbt.
code :
conflictManager := ConflictManager.strict

dependencyOverrides += "com.typesafe.akka" %% "akka-actor" % "2.5.4"

dependencyOverrides += "com.typesafe.akka" %% "akka-stream" % "2.5.4"

dependencyOverrides += "org.scala-lang" % "scala-library" % "2.12.3"
akka-http error: could not find implicit value for parameter um: akka.http.scaladsl.unmarshalling.FromRequestUnmarshalle

akka-http error: could not find implicit value for parameter um: akka.http.scaladsl.unmarshalling.FromRequestUnmarshalle


By : vibhor khandelwal
Date : March 29 2020, 07:55 AM
Hope that helps I too got the same error and it resolved after importing
" akka.http.scaladsl.marshallers.sprayjson.SprayJsonSupport._ "
What is the best way to perform OAuth2 authentication using akka-http?

What is the best way to perform OAuth2 authentication using akka-http?


By : Jereme
Date : March 29 2020, 07:55 AM
like below fixes the issue I think the biggest problem is that OAuth2 itself doesn't really tell you how the implementation details look like.
To quote the RFC:
akka-http web-app fails to start on minimal docker jre 11 (what java modules for scala12 akka-http)?

akka-http web-app fails to start on minimal docker jre 11 (what java modules for scala12 akka-http)?


By : 贾伟谦
Date : October 03 2020, 07:00 PM
it helps some times I'm trying to Dockerize my (otherwise running nice) very small akka-http webapp. I'm using the buildfile indicated here. For convenience added: , You need to add a jvm argument to your ENTRYPOINT clause:
code :
--add-exports=jdk.unsupported/sun.misc=ALL-UNNAMED
ENTRYPOINT ["java", "--add-exports=jdk.unsupported/sun.misc=ALL-UNNAMED", "-jar","/app.jar"]
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