Merge branch 'security/fav-reblog-access-control' into 'develop'

Mastodon API: Respect post privacy in favourited/reblogged endpoints

See merge request pleroma/pleroma!1667
This commit is contained in:
rinpatch 2019-09-14 11:44:34 +00:00
commit 4264c4b7e5
3 changed files with 56 additions and 2 deletions

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@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
### Security
- OStatus: eliminate the possibility of a protocol downgrade attack.
- OStatus: prevent following locked accounts, bypassing the approval process.
- Mastodon API: respect post privacy in `/api/v1/statuses/:id/{favourited,reblogged}_by`
### Removed
- **Breaking:** GNU Social API with Qvitter extensions support

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@ -842,6 +842,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
def favourited_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
{:visible, true} <- {:visible, Visibility.visible_for_user?(activity, user)},
%Object{data: %{"likes" => likes}} <- Object.normalize(activity) do
q = from(u in User, where: u.ap_id in ^likes)
@ -853,12 +854,14 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
|> put_view(AccountView)
|> render("accounts.json", %{for: user, users: users, as: :user})
else
{:visible, false} -> {:error, :not_found}
_ -> json(conn, [])
end
end
def reblogged_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
{:visible, true} <- {:visible, Visibility.visible_for_user?(activity, user)},
%Object{data: %{"announcements" => announces}} <- Object.normalize(activity) do
q = from(u in User, where: u.ap_id in ^announces)
@ -870,6 +873,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
|> put_view(AccountView)
|> render("accounts.json", %{for: user, users: users, as: :user})
else
{:visible, false} -> {:error, :not_found}
_ -> json(conn, [])
end
end

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@ -3698,7 +3698,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
build_conn()
|> assign(:user, user)
[conn: conn, activity: activity]
[conn: conn, activity: activity, user: user]
end
test "returns users who have favorited the status", %{conn: conn, activity: activity} do
@ -3758,6 +3758,32 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
[%{"id" => id}] = response
assert id == other_user.id
end
test "requires authentification for private posts", %{conn: conn, user: user} do
other_user = insert(:user)
{:ok, activity} =
CommonAPI.post(user, %{
"status" => "@#{other_user.nickname} wanna get some #cofe together?",
"visibility" => "direct"
})
{:ok, _, _} = CommonAPI.favorite(activity.id, other_user)
conn
|> assign(:user, nil)
|> get("/api/v1/statuses/#{activity.id}/favourited_by")
|> json_response(404)
response =
build_conn()
|> assign(:user, other_user)
|> get("/api/v1/statuses/#{activity.id}/favourited_by")
|> json_response(200)
[%{"id" => id}] = response
assert id == other_user.id
end
end
describe "GET /api/v1/statuses/:id/reblogged_by" do
@ -3769,7 +3795,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
build_conn()
|> assign(:user, user)
[conn: conn, activity: activity]
[conn: conn, activity: activity, user: user]
end
test "returns users who have reblogged the status", %{conn: conn, activity: activity} do
@ -3829,6 +3855,29 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
[%{"id" => id}] = response
assert id == other_user.id
end
test "requires authentification for private posts", %{conn: conn, user: user} do
other_user = insert(:user)
{:ok, activity} =
CommonAPI.post(user, %{
"status" => "@#{other_user.nickname} wanna get some #cofe together?",
"visibility" => "direct"
})
conn
|> assign(:user, nil)
|> get("/api/v1/statuses/#{activity.id}/reblogged_by")
|> json_response(404)
response =
build_conn()
|> assign(:user, other_user)
|> get("/api/v1/statuses/#{activity.id}/reblogged_by")
|> json_response(200)
assert [] == response
end
end
describe "POST /auth/password, with valid parameters" do