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play.api.mvc

Security

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object Security

Helpers to create secure actions.

Source
Security.scala
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Type Members

  1. class AuthenticatedBuilder[U] extends ActionBuilder[[A]AuthenticatedRequest[A, U]]

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    An authenticated action builder.

    An authenticated action builder.

    This can be used to create an action builder, like so:

    // in a Security trait
    object Authenticated extends AuthenticatedBuilder(req => getUserFromRequest(req))
    
    // then in a controller
    def index = Authenticated { implicit request =>
      Ok("Hello " + request.user)
    }

    It can also be used from an action builder, for example:

    class AuthenticatedDbRequest[A](val user: User,
                                    val conn: Connection,
                                    request: Request[A]) extends WrappedRequest[A](request)
    
    object Authenticated extends ActionBuilder[AuthenticatedDbRequest] {
      def invokeBlock[A](request: Request[A], block: (AuthenticatedDbRequest[A]) => Future[Result]) = {
        AuthenticatedBuilder(req => getUserFromRequest(req)).authenticate(request, { authRequest: AuthenticatedRequest[A, User] =>
          DB.withConnection { conn =>
            block(new AuthenticatedDbRequest[A](authRequest.user, conn, request))
          }
        })
      }
    }
  2. class AuthenticatedRequest[A, U] extends WrappedRequest[A]

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    An authenticated request

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def Authenticated(action: (String) ⇒ EssentialAction): EssentialAction

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    Wraps another action, allowing only authenticated HTTP requests.

    Wraps another action, allowing only authenticated HTTP requests.

    The user name is retrieved from the (configurable) session cookie, and added to the HTTP request’s username attribute. In case of failure it returns an Unauthorized response (401)

    For example:

     //in a Security trait
     def isAuthenticated(f: => String => Request[AnyContent] => Result) = {
       Authenticated { user =>
         Action(request => f(user)(request))
       }
     }
    //then in a controller
    def index = isAuthenticated { username => implicit request =>
        Ok("Hello " + username)
    }
    action

    the action to wrap

  5. def Authenticated[A](userinfo: (RequestHeader) ⇒ Option[A], onUnauthorized: (RequestHeader) ⇒ Result)(action: (A) ⇒ EssentialAction): EssentialAction

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    Wraps another action, allowing only authenticated HTTP requests.

    Wraps another action, allowing only authenticated HTTP requests. Furthermore, it lets users to configure where to retrieve the user info from and what to do in case unsuccessful authentication

    For example:

     //in a Security trait
     def username(request: RequestHeader) = request.session.get("email")
     def onUnauthorized(request: RequestHeader) = Results.Redirect(routes.Application.login)
     def isAuthenticated(f: => String => Request[AnyContent] => Result) = {
       Authenticated(username, onUnauthorized) { user =>
         Action(request => f(user)(request))
       }
     }
    //then in a controller
    def index = isAuthenticated { username => implicit request =>
        Ok("Hello " + username)
    }
    A

    the type of the user info value (e.g. String if user info consists only in a user name)

    userinfo

    function used to retrieve the user info from the request header

    onUnauthorized

    function used to generate alternative result if the user is not authenticated

    action

    the action to wrap

  6. object AuthenticatedBuilder

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    An authenticated action builder.

    An authenticated action builder.

    This can be used to create an action builder, like so:

    // in a Security trait
    object Authenticated extends AuthenticatedBuilder(req => getUserFromRequest(req))
    
    // then in a controller
    def index = Authenticated { implicit request =>
      Ok("Hello " + request.user)
    }

    It can also be used from an action builder, for example:

    class AuthenticatedDbRequest[A](val user: User,
                                    val conn: Connection,
                                    request: Request[A]) extends WrappedRequest[A](request)
    
    object Authenticated extends ActionBuilder[AuthenticatedDbRequest] {
      def invokeBlock[A](request: Request[A], block: (AuthenticatedDbRequest[A]) => Future[Result]) = {
        AuthenticatedBuilder(req => getUserFromRequest(req)).authenticate(request, { authRequest: AuthenticatedRequest[A, User] =>
          DB.withConnection { conn =>
            block(new AuthenticatedDbRequest[A](authRequest.user, conn, request))
          }
        })
      }
    }
  7. final def asInstanceOf[T0]: T0

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  8. def clone(): AnyRef

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  10. def equals(arg0: Any): Boolean

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  11. def finalize(): Unit

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  12. final def getClass(): Class[_]

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  13. def hashCode(): Int

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  14. final def isInstanceOf[T0]: Boolean

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  15. final def ne(arg0: AnyRef): Boolean

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  19. def toString(): String

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  20. lazy val username: String

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    Key of the username attribute stored in session.

  21. final def wait(): Unit

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  22. final def wait(arg0: Long, arg1: Int): Unit

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  23. final def wait(arg0: Long): Unit

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