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[akkoma] / lib / pleroma / web / oauth / oauth_controller.ex

diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 1b1394787fdcf1be51e30aecf194e759f20abc3c..5292aedf2a4582043421bd6953af1412b3a170a7 100644 (file)
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -14,10 +14,10 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   alias Pleroma.Web.ControllerHelper
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
+  alias Pleroma.Web.OAuth.Scopes
   alias Pleroma.Web.OAuth.Token
   alias Pleroma.Web.OAuth.Token.Strategy.RefreshToken
   alias Pleroma.Web.OAuth.Token.Strategy.Revoke, as: RevokeToken
-  alias Pleroma.Web.OAuth.Scopes
 
   require Logger
 
@@ -37,7 +37,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     authorize(conn, Map.merge(params, auth_attrs))
   end
 
-  def authorize(%Plug.Conn{assigns: %{token: %Token{}}} = conn, params) do
+  def authorize(%Plug.Conn{assigns: %{token: %Token{}}} = conn, %{"force_login" => _} = params) do
     if ControllerHelper.truthy_param?(params["force_login"]) do
       do_authorize(conn, params)
     else
@@ -45,6 +45,22 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     end
   end
 
+  # Note: the token is set in oauth_plug, but the token and client do not always go together.
+  # For example, MastodonFE's token is set if user requests with another client,
+  # after user already authorized to MastodonFE.
+  # So we have to check client and token.
+  def authorize(
+        %Plug.Conn{assigns: %{token: %Token{} = token}} = conn,
+        %{"client_id" => client_id} = params
+      ) do
+    with %Token{} = t <- Repo.get_by(Token, token: token.token) |> Repo.preload(:app),
+         ^client_id <- t.app.client_id do
+      handle_existing_authorization(conn, params)
+    else
+      _ -> do_authorize(conn, params)
+    end
+  end
+
   def authorize(%Plug.Conn{} = conn, params), do: do_authorize(conn, params)
 
   defp do_authorize(%Plug.Conn{} = conn, params) do
@@ -473,7 +489,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
   @spec validate_scopes(App.t(), map()) ::
           {:ok, list()} | {:error, :missing_scopes | :unsupported_scopes}
-  defp validate_scopes(app, params) do
+  defp validate_scopes(%App{} = app, params) do
     params
     |> Scopes.fetch_scopes(app.scopes)
     |> Scopes.validate(app.scopes)