updated error messages for authentication process

lib/pleroma/web/oauth/oauth_controller.ex

@@ -167,17 +167,37 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
   defp handle_create_authorization_error(
          %Plug.Conn{} = conn,
-         {:auth_active, false},
+         {:account_status, :confirmation_pending},
          %{"authorization" => _} = params
        ) do
-    # Per https://github.com/tootsuite/mastodon/blob/
-    #   51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
     conn
     |> put_flash(:error, dgettext("errors", "Your login is missing a confirmed e-mail address"))
     |> put_status(:forbidden)
     |> authorize(params)
   end
 
+  defp handle_create_authorization_error(
+         %Plug.Conn{} = conn,
+         {:account_status, :password_reset_pending},
+         %{"authorization" => _} = params
+       ) do
+    conn
+    |> put_flash(:error, dgettext("errors", "Password reset is required"))
+    |> put_status(:forbidden)
+    |> authorize(params)
+  end
+
+  defp handle_create_authorization_error(
+         %Plug.Conn{} = conn,
+         {:account_status, :deactivated},
+         %{"authorization" => _} = params
+       ) do
+    conn
+    |> put_flash(:error, dgettext("errors", "Your account is currently disabled"))
+    |> put_status(:forbidden)
+    |> authorize(params)
+  end
+
   defp handle_create_authorization_error(%Plug.Conn{} = conn, error, %{"authorization" => _}) do
     Authenticator.handle_error(conn, error)
   end
@@ -218,46 +238,14 @@ defmodule Pleroma.Web.OAuth.OAuthController do
       ) do
     with {:ok, %User{} = user} <- Authenticator.get_user(conn),
          {:ok, app} <- Token.Utils.fetch_app(conn),
-         {:auth_active, true} <- {:auth_active, User.auth_active?(user)},
-         {:user_active, true} <- {:user_active, !user.deactivated},
-         {:password_reset_pending, false} <-
-           {:password_reset_pending, user.password_reset_pending},
+         {:account_status, :active} <- {:account_status, User.account_status(user)},
          {:ok, scopes} <- validate_scopes(app, params),
          {:ok, auth} <- Authorization.create_authorization(app, user, scopes),
          {:ok, token} <- Token.exchange_token(app, auth) do
       json(conn, Token.Response.build(user, token))
     else
-      {:auth_active, false} ->
-        # Per https://github.com/tootsuite/mastodon/blob/
-        #   51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
-        render_error(
-          conn,
-          :forbidden,
-          "Your login is missing a confirmed e-mail address",
-          %{},
-          "missing_confirmed_email"
-        )
-
-      {:user_active, false} ->
-        render_error(
-          conn,
-          :forbidden,
-          "Your account is currently disabled",
-          %{},
-          "account_is_disabled"
-        )
-
-      {:password_reset_pending, true} ->
-        render_error(
-          conn,
-          :forbidden,
-          "Password reset is required",
-          %{},
-          "password_reset_required"
-        )
-
-      _error ->
-        render_invalid_credentials_error(conn)
+      error ->
+        handle_token_exchange_error(conn, error)
     end
   end
 
@@ -286,6 +274,43 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   # Bad request
   def token_exchange(%Plug.Conn{} = conn, params), do: bad_request(conn, params)
 
+  defp handle_token_exchange_error(%Plug.Conn{} = conn, {:account_status, :deactivated}) do
+    render_error(
+      conn,
+      :forbidden,
+      "Your account is currently disabled",
+      %{},
+      "account_is_disabled"
+    )
+  end
+
+  defp handle_token_exchange_error(
+         %Plug.Conn{} = conn,
+         {:account_status, :password_reset_pending}
+       ) do
+    render_error(
+      conn,
+      :forbidden,
+      "Password reset is required",
+      %{},
+      "password_reset_required"
+    )
+  end
+
+  defp handle_token_exchange_error(%Plug.Conn{} = conn, {:account_status, :confirmation_pending}) do
+    render_error(
+      conn,
+      :forbidden,
+      "Your login is missing a confirmed e-mail address",
+      %{},
+      "missing_confirmed_email"
+    )
+  end
+
+  defp handle_token_exchange_error(%Plug.Conn{} = conn, _error) do
+    render_invalid_credentials_error(conn)
+  end
+
   def token_revoke(%Plug.Conn{} = conn, %{"token" => _token} = params) do
     with {:ok, app} <- Token.Utils.fetch_app(conn),
          {:ok, _token} <- RevokeToken.revoke(app, params) do
@@ -472,7 +497,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
          %App{} = app <- Repo.get_by(App, client_id: client_id),
          true <- redirect_uri in String.split(app.redirect_uris),
          {:ok, scopes} <- validate_scopes(app, auth_attrs),
-         {:auth_active, true} <- {:auth_active, User.auth_active?(user)} do
+         {:account_status, :active} <- {:account_status, User.account_status(user)} do
       Authorization.create_authorization(app, user, scopes)
     end
   end