2 files changed, 31 insertions, 10 deletions
diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index ebb3dd253..26d53df1a 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -8,6 +8,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web.Auth.Authenticator
+  alias Pleroma.Web.ControllerHelper
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
   alias Pleroma.Web.OAuth.Token
@@ -19,7 +20,28 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
   action_fallback(Pleroma.Web.OAuth.FallbackController)
 
-  def authorize(conn, params) do
+  def authorize(%{assigns: %{token: %Token{} = token}} = conn, params) do
+    if ControllerHelper.truthy_param?(params["force_login"]) do
+      do_authorize(conn, params)
+    else
+      redirect_uri =
+        if is_binary(params["redirect_uri"]) do
+          params["redirect_uri"]
+        else
+          app = Repo.preload(token, :app).app
+
+          app.redirect_uris
+          |> String.split()
+          |> Enum.at(0)
+        end
+
+      redirect(conn, external: redirect_uri(conn, redirect_uri))
+    end
+  end
+
+  def authorize(conn, params), do: do_authorize(conn, params)
+
+  defp do_authorize(conn, params) do
     app = Repo.get_by(App, client_id: params["client_id"])
     available_scopes = (app && app.scopes) || []
     scopes = oauth_scopes(params, nil) || available_scopes
@@ -51,13 +73,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
          {:missing_scopes, false} <- {:missing_scopes, scopes == []},
          {:auth_active, true} <- {:auth_active, User.auth_active?(user)},
          {:ok, auth} <- Authorization.create_authorization(app, user, scopes) do
-      redirect_uri =
-        if redirect_uri == "." do
-          # Special case: Local MastodonFE
-          mastodon_api_url(conn, :login)
-        else
-          redirect_uri
-        end
+      redirect_uri = redirect_uri(conn, redirect_uri)
 
       cond do
         redirect_uri == "urn:ietf:wg:oauth:2.0:oob" ->
@@ -108,7 +124,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
          fixed_token = fix_padding(params["code"]),
          %Authorization{} = auth <-
            Repo.get_by(Authorization, token: fixed_token, app_id: app.id),
-         %User{} = user <- Repo.get(User, auth.user_id),
+         %User{} = user <- User.get_by_id(auth.user_id),
          {:ok, token} <- Token.exchange_token(app, auth),
          {:ok, inserted_at} <- DateTime.from_naive(token.inserted_at, "Etc/UTC") do
       response = %{
@@ -221,4 +237,9 @@ defmodule Pleroma.Web.OAuth.OAuthController do
       nil
     end
   end
+
+  # Special case: Local MastodonFE
+  defp redirect_uri(conn, "."), do: mastodon_api_url(conn, :login)
+
+  defp redirect_uri(_conn, redirect_uri), do: redirect_uri
 end
diff --git a/lib/pleroma/web/oauth/token.ex b/lib/pleroma/web/oauth/token.ex
index a8b06db36..2b5ad9b94 100644
--- a/lib/pleroma/web/oauth/token.ex
+++ b/lib/pleroma/web/oauth/token.ex
@@ -27,7 +27,7 @@ defmodule Pleroma.Web.OAuth.Token do
   def exchange_token(app, auth) do
     with {:ok, auth} <- Authorization.use_token(auth),
          true <- auth.app_id == app.id do
-      create_token(app, Repo.get(User, auth.user_id), auth.scopes)
+      create_token(app, User.get_by_id(auth.user_id), auth.scopes)
     end
   end