com.malliina.play.auth.AuthValidator.scala Maven / Gradle / Ivy

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package com.malliina.play.auth

import java.net.URLEncoder
import java.nio.charset.StandardCharsets

import play.api.mvc.{RequestHeader, Result}

import scala.concurrent.Future

object AuthValidator {
  def urlEncode(s: String) = URLEncoder.encode(s, StandardCharsets.UTF_8.name())
}

trait AuthValidator {
  implicit val ec = Execution.cached

  def brandName: String

  /** The initial result that initiates sign-in.
    */
  def start(req: RequestHeader, extraParams: Map[String, String] = Map.empty): Future[Result]

  /** The callback in the auth flow, i.e. the result for redirect URIs.
    */
  def validateCallback(req: RequestHeader): Future[Result]

  protected def stringify(map: Map[String, String]) =
    map.map { case (key, value) => s"$key=$value" }.mkString("&")

  protected def fut[T](t: T): Future[T] = Future.successful(t)
}

trait LoginHintSupport {
  self: AuthValidator =>

  def startHinted(req: RequestHeader,
                  loginHint: Option[String],
                  extraParams: Map[String, String] = Map.empty): Future[Result] =
    self.start(req, extraParams ++ loginHint.map(lh => Map(CodeValidator.LoginHint -> lh)).getOrElse(Map.empty))
}

trait OAuthValidator[U] {
  def oauth: OAuthConf[U]

  def handler = oauth.handler

  def redirCall = oauth.redirCall

  def http = oauth.http

  def clientConf = oauth.conf
}