Added User to AuthenticatedAction

.gitignore

@@ -7,4 +7,6 @@ hs_err_pid*
 
 /project/project/target/
 /project/target
-/target
+/target
+
+.bsp

app/controllers/authentication/AuthenticatedAction.scala

@@ -2,20 +2,19 @@ package controllers.authentication
 
 import dao.AuthTokensDAO
 import jakarta.inject.Inject
-import models.AuthToken
+import models.{AuthToken, User}
 import play.api.libs.json.*
 import play.api.mvc.Results.Unauthorized
 import play.api.mvc.{ActionRefiner, Request, Result, WrappedRequest}
 
 import scala.concurrent.{ExecutionContext, Future}
 
-class AuthenticatedRequest[A](val token: AuthToken, request: Request[A]) extends WrappedRequest[A](request)
+class AuthenticatedRequest[A](val token: AuthToken, val user: User, request: Request[A]) extends WrappedRequest[A](request)
 
 class AuthenticatedAction @Inject()(authTokensDao: AuthTokensDAO)(implicit val executionContext: ExecutionContext) extends ActionRefiner[Request, AuthenticatedRequest] {
   private final val tokenPrefix = "Token"
 
   override protected def refine[A](request: Request[A]): Future[Either[Result, AuthenticatedRequest[A]]] = {
-    val unauthenticatedRequestError = Left(Unauthorized(Json.obj("error" -> "Unauthenticated")))
     val authHeader = request.headers.get("Authorization")
       .flatMap { header =>
         if header.startsWith(tokenPrefix) then Some(header.substring(tokenPrefix.length).trim)
@@ -25,11 +24,21 @@ class AuthenticatedAction @Inject()(authTokensDao: AuthTokensDAO)(implicit val e
 
     authHeader match {
       case Some(token) =>
-        authTokensDao.find(token).map {
+        authTokensDao.find(token).flatMap {
-          case Some(authToken) => Right(AuthenticatedRequest[A](authToken, request))
+          case Some(authToken) => findUser(request, authToken)
-          case None => unauthenticatedRequestError
+          case None => Future.successful(unauthenticatedRequestError)
         }
       case None => Future.successful(unauthenticatedRequestError)
     }
   }
+
+  private val unauthenticatedRequestError = Left(Unauthorized(Json.obj("error" -> "Unauthenticated")))
+
+  private def findUser[A](request: Request[A], token: AuthToken) = {
+    authTokensDao.getUser(token).map {
+      case Some(user) => Right(AuthenticatedRequest(token, user, request))
+      case None => unauthenticatedRequestError
+    }
+  }
+
 }

app/dao/AuthTokensDAO.scala

@@ -12,12 +12,11 @@ import java.time.{Duration, Instant}
 import scala.concurrent.{ExecutionContext, Future}
 import models.AuthToken
 import schemas.AuthTokens
+import utils.Random
 
 import scala.language.postfixOps
 
 class AuthTokensDAO @Inject()(protected val dbConfigProvider: DatabaseConfigProvider)(implicit val ec: ExecutionContext) extends HasDatabaseConfigProvider[PostgresProfile] {
-  private lazy val random = SecureRandom()
-  private lazy val base64 = Base64.getEncoder
   private final lazy val tokenValidDuration = Duration.ofDays(30)
 
   def find(token: String): Future[Option[AuthToken]] = {
@@ -26,12 +25,10 @@ class AuthTokensDAO @Inject()(protected val dbConfigProvider: DatabaseConfigProv
   }
 
   def createToken(user: models.User): Future[AuthToken] = {
-    val tokenRaw = ByteBuffer.allocate(12)
-    random.nextBytes(tokenRaw.array())
     val token = AuthToken(
       id = None,
       userId = user.id.get,
-      token = base64.encodeToString(tokenRaw.array()),
+      token = Random.randomBase64(12),
       createdAt = Instant.now,
       expiresAt = Instant.now.plus(tokenValidDuration)
     )
@@ -39,6 +36,11 @@ class AuthTokensDAO @Inject()(protected val dbConfigProvider: DatabaseConfigProv
     db.run((AuthTokens returning AuthTokens.map(_.id)) += token).map { tokenId => token.copy(id = Some(tokenId)) }
   }
 
+  def getUser(token: AuthToken): Future[Option[models.User]] = {
+    val query = schemas.Users.filter(_.id === token.userId).take(1).result.headOption
+    db.run(query)
+  }
+
   def destroy(token: AuthToken): Future[Unit] = {
     val q = AuthTokens.filter(_.token === token.token).delete
     db.run(q).map{ _ => () }

app/utils/Random.scala

@@ -0,0 +1,16 @@
+package utils
+
+import java.nio.ByteBuffer
+import java.security.SecureRandom
+import java.util.Base64
+
+object Random {
+  private lazy val random = SecureRandom()
+  private lazy val base64 = Base64.getEncoder
+  
+  def randomBase64(bytes: Int): String = {
+    val tokenRaw = ByteBuffer.allocate(bytes)
+    random.nextBytes(tokenRaw.array())
+    base64.encodeToString(tokenRaw.array())
+  }
+}