#126 refactor AuthInfo as a trait instead of a case class

src/main/scala/scalaoauth2/provider/AuthorizationHandler.scala

@@ -132,4 +132,20 @@ trait AuthorizationHandler[U] {
    */
   def findAuthInfoByRefreshToken(refreshToken: String): Future[Option[AuthInfo[U]]]
 
+  /**
+   * Creates authorized information.
+   *
+   * Client credential, Password and Implicit Grant call this method.
+   *
+   * @param request Request sent by client
+   * @param user Authorized user
+   * @param clientId Authorized clientId
+   * @param scope Authorized scope
+   * @param redirectUri Authorized redirectUri
+   * @return Return authorized information
+   */
+  def createAuthInfo(request: AuthorizationRequest, user: U, clientId: Option[String], scope: Option[String], redirectUri: Option[String]): AuthInfo[U] = {
+    AuthInfo(user, clientId, scope, redirectUri)
+  }
+
 }

src/main/scala/scalaoauth2/provider/DataHandler.scala

@@ -10,12 +10,12 @@ trait DataHandler[U] extends AuthorizationHandler[U] with ProtectedResourceHandl
 /**
  * Access token
  *
- * @param token Access token is used to authentication.
+ * @param token        Access token is used to authentication.
  * @param refreshToken Refresh token is used to re-issue access token.
- * @param scope Inform the client of the scope of the access token issued.
- * @param lifeSeconds Life of the access token since its creation. In seconds.
- * @param createdAt Access token is created date.
- * @param params Additional parameters to add information/restriction on given Access token.
+ * @param scope        Inform the client of the scope of the access token issued.
+ * @param lifeSeconds  Life of the access token since its creation. In seconds.
+ * @param createdAt    Access token is created date.
+ * @param params       Additional parameters to add information/restriction on given Access token.
  */
 case class AccessToken(token: String, refreshToken: Option[String], scope: Option[String], lifeSeconds: Option[Long], createdAt: Date, params: Map[String, String] = Map.empty[String, String]) {
   def isExpired: Boolean = expiresIn.exists(_ < 0)
@@ -29,12 +29,33 @@ case class AccessToken(token: String, refreshToken: Option[String], scope: Optio
   }
 }
 
+object AuthInfo {
+  def apply[U](user: U, clientId: Option[String], scope: Option[String], redirectUri: Option[String]): AuthInfo[U] = {
+    DefaultAuthInfo(user, clientId, scope, redirectUri)
+  }
+}
+
 /**
  * Authorized information
  *
- * @param user Authorized user which is registered on system.
- * @param clientId Using client id which is registered on system.
- * @param scope Inform the client of the scope of the access token issued.
+ * @param user        Authorized user which is registered on system.
+ * @param clientId    Using client id which is registered on system.
+ * @param scope       Inform the client of the scope of the access token issued.
+ * @param redirectUri This value is used by Authorization Code Grant.
+ */
+trait AuthInfo[+U] {
+  def user: U
+  def clientId: Option[String]
+  def scope: Option[String]
+  def redirectUri: Option[String]
+}
+
+/**
+ * Default Authorized information
+ *
+ * @param user        Authorized user which is registered on system.
+ * @param clientId    Using client id which is registered on system.
+ * @param scope       Inform the client of the scope of the access token issued.
  * @param redirectUri This value is used by Authorization Code Grant.
  */
-case class AuthInfo[+U](user: U, clientId: Option[String], scope: Option[String], redirectUri: Option[String])
+case class DefaultAuthInfo[+U](user: U, clientId: Option[String], scope: Option[String], redirectUri: Option[String]) extends AuthInfo[U]

src/main/scala/scalaoauth2/provider/GrantHandler.scala

@@ -36,7 +36,7 @@ trait GrantHandler {
     }.map(createGrantHandlerResult(authInfo, _))
   }
 
-  protected def shouldRefreshAccessToken(token: AccessToken) = token.isExpired
+  protected def shouldRefreshAccessToken(token: AccessToken): Boolean = token.isExpired
 
   protected def createGrantHandlerResult[U](authInfo: AuthInfo[U], accessToken: AccessToken) = GrantHandlerResult(
     authInfo,
@@ -78,7 +78,7 @@ class Password extends GrantHandler {
       handler.findUser(maybeValidatedClientCred, passwordRequest).flatMap { maybeUser =>
         val user = maybeUser.getOrElse(throw new InvalidGrant("username or password is incorrect"))
         val scope = passwordRequest.scope
-        val authInfo = AuthInfo(user, maybeValidatedClientCred.map(_.clientId), scope, None)
+        val authInfo = handler.createAuthInfo(passwordRequest, user, maybeValidatedClientCred.map(_.clientId), scope, None)
 
         issueAccessToken(handler, authInfo)
       }
@@ -95,7 +95,7 @@ class ClientCredentials extends GrantHandler {
 
     handler.findUser(maybeValidatedClientCred, clientCredentialsRequest).flatMap { optionalUser =>
       val user = optionalUser.getOrElse(throw new InvalidGrant("client_id or client_secret or scope is incorrect"))
-      val authInfo = AuthInfo(user, Some(clientId), scope, None)
+      val authInfo = handler.createAuthInfo(clientCredentialsRequest, user, Some(clientId), scope, None)
 
       issueAccessToken(handler, authInfo)
     }
@@ -124,7 +124,7 @@ class AuthorizationCode extends GrantHandler {
       val f = issueAccessToken(handler, authInfo)
       for {
         accessToken <- f
-        deleteResult <- handler.deleteAuthCode(code)
+        _ <- handler.deleteAuthCode(code)
       } yield accessToken
     }
   }
@@ -140,7 +140,7 @@ class Implicit extends GrantHandler {
     handler.findUser(maybeValidatedClientCred, implicitRequest).flatMap { maybeUser =>
       val user = maybeUser.getOrElse(throw new InvalidGrant("user cannot be authenticated"))
       val scope = implicitRequest.scope
-      val authInfo = AuthInfo(user, Some(clientId), scope, None)
+      val authInfo = handler.createAuthInfo(implicitRequest, user, Some(clientId), scope, None)
 
       issueAccessToken(handler, authInfo)
     }
@@ -154,7 +154,7 @@ class Implicit extends GrantHandler {
   /**
    * Implicit grant must not return refresh token
    */
-  protected override def createGrantHandlerResult[U](authInfo: AuthInfo[U], accessToken: AccessToken) =
+  protected override def createGrantHandlerResult[U](authInfo: AuthInfo[U], accessToken: AccessToken): GrantHandlerResult[U] =
     super.createGrantHandlerResult(authInfo, accessToken).copy(refreshToken = None)
 
 }

src/test/scala/scalaoauth2/provider/AuthorizationCodeSpec.scala

@@ -5,8 +5,8 @@ import org.scalatest._
 import org.scalatest.concurrent.ScalaFutures
 import org.scalatest.time._
 
-import scala.concurrent.Future
 import scala.concurrent.ExecutionContext.Implicits.global
+import scala.concurrent.Future
 
 class AuthorizationCodeSpec extends FlatSpec with ScalaFutures with OptionValues {
 

src/test/scala/scalaoauth2/provider/ProtectedResourceSpec.scala

@@ -2,8 +2,8 @@ package scalaoauth2.provider
 
 import java.util.Date
 
-import org.scalatest._
 import org.scalatest.Matchers._
+import org.scalatest._
 import org.scalatest.concurrent.ScalaFutures
 
 import scala.concurrent.ExecutionContext.Implicits.global