Merge branch 'show-media-endpoint-fixes' into 'develop'

MediaController OAuth scope assignments fix

See merge request pleroma/pleroma!2541
This commit is contained in:
lain 2020-05-18 10:57:59 +00:00
commit 96f7b1b140
4 changed files with 45 additions and 16 deletions

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@ -138,12 +138,17 @@ defmodule Pleroma.Object do
def normalize(_, _, _), do: nil
# Owned objects can only be mutated by their owner
def authorize_mutation(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}),
do: actor == ap_id
# Owned objects can only be accessed by their owner
def authorize_access(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}) do
if actor == ap_id do
:ok
else
{:error, :forbidden}
end
end
# Legacy objects can be mutated by anybody
def authorize_mutation(%Object{}, %User{}), do: true
# Legacy objects can be accessed by anybody
def authorize_access(%Object{}, %User{}), do: :ok
@spec get_cached_by_ap_id(String.t()) :: Object.t() | nil
def get_cached_by_ap_id(ap_id) do

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@ -20,6 +20,10 @@ defmodule Pleroma.Web.MastodonAPI.FallbackController do
render_error(conn, :not_found, "Record not found")
end
def call(conn, {:error, :forbidden}) do
render_error(conn, :forbidden, "Access denied")
end
def call(conn, {:error, error_message}) do
conn
|> put_status(:bad_request)

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@ -14,7 +14,8 @@ defmodule Pleroma.Web.MastodonAPI.MediaController do
plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(:put_view, Pleroma.Web.MastodonAPI.StatusView)
plug(OAuthScopesPlug, %{scopes: ["write:media"]})
plug(OAuthScopesPlug, %{scopes: ["read:media"]} when action == :show)
plug(OAuthScopesPlug, %{scopes: ["write:media"]} when action != :show)
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.MediaOperation
@ -55,7 +56,7 @@ defmodule Pleroma.Web.MastodonAPI.MediaController do
@doc "PUT /api/v1/media/:id"
def update(%{assigns: %{user: user}, body_params: %{description: description}} = conn, %{id: id}) do
with %Object{} = object <- Object.get_by_id(id),
true <- Object.authorize_mutation(object, user),
:ok <- Object.authorize_access(object, user),
{:ok, %Object{data: data}} <- Object.update_data(object, %{"name" => description}) do
attachment_data = Map.put(data, "id", object.id)
@ -66,13 +67,14 @@ defmodule Pleroma.Web.MastodonAPI.MediaController do
def update(conn, data), do: show(conn, data)
@doc "GET /api/v1/media/:id"
def show(conn, %{id: id}) do
with %Object{data: data, id: object_id} <- Object.get_by_id(id) do
def show(%{assigns: %{user: user}} = conn, %{id: id}) do
with %Object{data: data, id: object_id} = object <- Object.get_by_id(id),
:ok <- Object.authorize_access(object, user) do
attachment_data = Map.put(data, "id", object_id)
render(conn, "attachment.json", %{attachment: attachment_data})
end
end
def get_media(_conn, _data), do: {:error, :bad_request}
def show(_conn, _data), do: {:error, :bad_request}
end

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@ -9,9 +9,9 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
describe "Upload media" do
setup do: oauth_access(["write:media"])
describe "Upload media" do
setup do
image = %Plug.Upload{
content_type: "image/jpg",
@ -42,7 +42,7 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
assert object.data["actor"] == User.ap_id(conn.assigns[:user])
end
test "/api/v2/media", %{conn: conn, image: image} do
test "/api/v2/media", %{conn: conn, user: user, image: image} do
desc = "Description of the image"
response =
@ -53,6 +53,8 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
assert media_id = response["id"]
%{conn: conn} = oauth_access(["read:media"], user: user)
media =
conn
|> get("/api/v1/media/#{media_id}")
@ -61,12 +63,15 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
assert media["type"] == "image"
assert media["description"] == desc
assert media["id"]
object = Object.get_by_id(media["id"])
assert object.data["actor"] == User.ap_id(conn.assigns[:user])
assert object.data["actor"] == user.ap_id
end
end
describe "Update media description" do
setup do: oauth_access(["write:media"])
setup %{user: actor} do
file = %Plug.Upload{
content_type: "image/jpg",
@ -96,7 +101,9 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
end
end
describe "Get media by id" do
describe "Get media by id (/api/v1/media/:id)" do
setup do: oauth_access(["read:media"])
setup %{user: actor} do
file = %Plug.Upload{
content_type: "image/jpg",
@ -114,7 +121,7 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
[object: object]
end
test "/api/v1/media/:id", %{conn: conn, object: object} do
test "it returns media object when requested by owner", %{conn: conn, object: object} do
media =
conn
|> get("/api/v1/media/#{object.id}")
@ -124,5 +131,16 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
assert media["type"] == "image"
assert media["id"]
end
test "it returns 403 if media object requested by non-owner", %{object: object, user: user} do
%{conn: conn, user: other_user} = oauth_access(["read:media"])
assert object.data["actor"] == user.ap_id
refute user.id == other_user.id
conn
|> get("/api/v1/media/#{object.id}")
|> json_response(403)
end
end
end