defmodule Pleroma.Web.TwitterAPI.Controller do use Pleroma.Web, :controller import Pleroma.Web.ControllerHelper, only: [json_response: 3] alias Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView} alias Pleroma.Web.CommonAPI alias Pleroma.{Repo, Activity, Object, User, Notification} alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.ActivityPub.Utils alias Ecto.Changeset require Logger plug(:only_if_public_instance when action in [:public_timeline, :public_and_external_timeline]) action_fallback(:errors) def verify_credentials(%{assigns: %{user: user}} = conn, _params) do token = Phoenix.Token.sign(conn, "user socket", user.id) conn |> put_view(UserView) |> render("show.json", %{user: user, token: token}) end def status_update(%{assigns: %{user: user}} = conn, %{"status" => _} = status_data) do with media_ids <- extract_media_ids(status_data), {:ok, activity} <- TwitterAPI.create_status(user, Map.put(status_data, "media_ids", media_ids)) do conn |> json(ActivityView.render("activity.json", activity: activity, for: user)) else _ -> empty_status_reply(conn) end end def status_update(conn, _status_data) do empty_status_reply(conn) end defp empty_status_reply(conn) do bad_request_reply(conn, "Client must provide a 'status' parameter with a value.") end defp extract_media_ids(status_data) do with media_ids when not is_nil(media_ids) <- status_data["media_ids"], split_ids <- String.split(media_ids, ","), clean_ids <- Enum.reject(split_ids, fn id -> String.length(id) == 0 end) do clean_ids else _e -> [] end end def public_and_external_timeline(%{assigns: %{user: user}} = conn, params) do params = params |> Map.put("type", ["Create", "Announce"]) |> Map.put("blocking_user", user) activities = ActivityPub.fetch_public_activities(params) conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) end def public_timeline(%{assigns: %{user: user}} = conn, params) do params = params |> Map.put("type", ["Create", "Announce"]) |> Map.put("local_only", true) |> Map.put("blocking_user", user) activities = ActivityPub.fetch_public_activities(params) conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) end def friends_timeline(%{assigns: %{user: user}} = conn, params) do params = params |> Map.put("type", ["Create", "Announce", "Follow", "Like"]) |> Map.put("blocking_user", user) |> Map.put("user", user) activities = ActivityPub.fetch_activities([user.ap_id | user.following], params) |> ActivityPub.contain_timeline(user) conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) end def show_user(conn, params) do for_user = conn.assigns.user with {:ok, shown} <- TwitterAPI.get_user(params), true <- User.auth_active?(shown) || (for_user && (for_user.id == shown.id || User.superuser?(for_user))) do params = if for_user do %{user: shown, for: for_user} else %{user: shown} end conn |> put_view(UserView) |> render("show.json", params) else {:error, msg} -> bad_request_reply(conn, msg) false -> conn |> put_status(404) |> json(%{error: "Unconfirmed user"}) end end def user_timeline(%{assigns: %{user: user}} = conn, params) do case TwitterAPI.get_user(user, params) do {:ok, target_user} -> activities = ActivityPub.fetch_user_activities(target_user, user, params) conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) {:error, msg} -> bad_request_reply(conn, msg) end end def mentions_timeline(%{assigns: %{user: user}} = conn, params) do params = params |> Map.put("type", ["Create", "Announce", "Follow", "Like"]) |> Map.put("blocking_user", user) activities = ActivityPub.fetch_activities([user.ap_id], params) conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) end def dm_timeline(%{assigns: %{user: user}} = conn, params) do query = ActivityPub.fetch_activities_query( [user.ap_id], Map.merge(params, %{"type" => "Create", "user" => user, visibility: "direct"}) ) activities = Repo.all(query) conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) end def notifications(%{assigns: %{user: user}} = conn, params) do notifications = Notification.for_user(user, params) conn |> put_view(NotificationView) |> render("notification.json", %{notifications: notifications, for: user}) end def notifications_read(%{assigns: %{user: user}} = conn, %{"latest_id" => latest_id} = params) do Notification.set_read_up_to(user, latest_id) notifications = Notification.for_user(user, params) conn |> put_view(NotificationView) |> render("notification.json", %{notifications: notifications, for: user}) end def notifications_read(%{assigns: %{user: _user}} = conn, _) do bad_request_reply(conn, "You need to specify latest_id") end def follow(%{assigns: %{user: user}} = conn, params) do case TwitterAPI.follow(user, params) do {:ok, user, followed, _activity} -> conn |> put_view(UserView) |> render("show.json", %{user: followed, for: user}) {:error, msg} -> forbidden_json_reply(conn, msg) end end def block(%{assigns: %{user: user}} = conn, params) do case TwitterAPI.block(user, params) do {:ok, user, blocked} -> conn |> put_view(UserView) |> render("show.json", %{user: blocked, for: user}) {:error, msg} -> forbidden_json_reply(conn, msg) end end def unblock(%{assigns: %{user: user}} = conn, params) do case TwitterAPI.unblock(user, params) do {:ok, user, blocked} -> conn |> put_view(UserView) |> render("show.json", %{user: blocked, for: user}) {:error, msg} -> forbidden_json_reply(conn, msg) end end def delete_post(%{assigns: %{user: user}} = conn, %{"id" => id}) do with {:ok, activity} <- TwitterAPI.delete(user, id) do conn |> put_view(ActivityView) |> render("activity.json", %{activity: activity, for: user}) end end def unfollow(%{assigns: %{user: user}} = conn, params) do case TwitterAPI.unfollow(user, params) do {:ok, user, unfollowed} -> conn |> put_view(UserView) |> render("show.json", %{user: unfollowed, for: user}) {:error, msg} -> forbidden_json_reply(conn, msg) end end def fetch_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do with %Activity{} = activity <- Repo.get(Activity, id), true <- ActivityPub.visible_for_user?(activity, user) do conn |> put_view(ActivityView) |> render("activity.json", %{activity: activity, for: user}) end end def fetch_conversation(%{assigns: %{user: user}} = conn, %{"id" => id}) do id = String.to_integer(id) with context when is_binary(context) <- TwitterAPI.conversation_id_to_context(id), activities <- ActivityPub.fetch_activities_for_context(context, %{ "blocking_user" => user, "user" => user }) do conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) end end @doc """ Updates metadata of uploaded media object. Derived from [Twitter API endpoint](https://developer.twitter.com/en/docs/media/upload-media/api-reference/post-media-metadata-create). """ def update_media(%{assigns: %{user: user}} = conn, %{"media_id" => id} = data) do object = Repo.get(Object, id) description = get_in(data, ["alt_text", "text"]) || data["name"] || data["description"] {conn, status, response_body} = cond do !object -> {halt(conn), :not_found, ""} !Object.authorize_mutation(object, user) -> {halt(conn), :forbidden, "You can only update your own uploads."} !is_binary(description) -> {conn, :not_modified, ""} true -> new_data = Map.put(object.data, "name", description) {:ok, _} = object |> Object.change(%{data: new_data}) |> Repo.update() {conn, :no_content, ""} end conn |> put_status(status) |> json(response_body) end def upload(%{assigns: %{user: user}} = conn, %{"media" => media}) do response = TwitterAPI.upload(media, user) conn |> put_resp_content_type("application/atom+xml") |> send_resp(200, response) end def upload_json(%{assigns: %{user: user}} = conn, %{"media" => media}) do response = TwitterAPI.upload(media, user, "json") conn |> json_reply(200, response) end def get_by_id_or_ap_id(id) do activity = Repo.get(Activity, id) || Activity.get_create_activity_by_object_ap_id(id) if activity.data["type"] == "Create" do activity else Activity.get_create_activity_by_object_ap_id(activity.data["object"]) end end def favorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)}, {:ok, activity} <- TwitterAPI.fav(user, id) do conn |> put_view(ActivityView) |> render("activity.json", %{activity: activity, for: user}) end end def unfavorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)}, {:ok, activity} <- TwitterAPI.unfav(user, id) do conn |> put_view(ActivityView) |> render("activity.json", %{activity: activity, for: user}) end end def retweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)}, {:ok, activity} <- TwitterAPI.repeat(user, id) do conn |> put_view(ActivityView) |> render("activity.json", %{activity: activity, for: user}) end end def unretweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do with {_, {:ok, id}} <- {:param_cast, Ecto.Type.cast(:integer, id)}, {:ok, activity} <- TwitterAPI.unrepeat(user, id) do conn |> put_view(ActivityView) |> render("activity.json", %{activity: activity, for: user}) end end def register(conn, params) do with {:ok, user} <- TwitterAPI.register_user(params) do conn |> put_view(UserView) |> render("show.json", %{user: user}) else {:error, errors} -> conn |> json_reply(400, Jason.encode!(errors)) end end def password_reset(conn, params) do nickname_or_email = params["email"] || params["nickname"] with {:ok, _} <- TwitterAPI.password_reset(nickname_or_email) do json_response(conn, :no_content, "") end end def confirm_email(conn, %{"user_id" => uid, "token" => token}) do with %User{} = user <- Repo.get(User, uid), true <- user.local, true <- user.info.confirmation_pending, true <- user.info.confirmation_token == token, info_change <- User.Info.confirmation_changeset(user.info, :confirmed), changeset <- Changeset.change(user) |> Changeset.put_embed(:info, info_change), {:ok, _} <- User.update_and_set_cache(changeset) do conn |> redirect(to: "/") end end def resend_confirmation_email(conn, params) do nickname_or_email = params["email"] || params["nickname"] with %User{} = user <- User.get_by_nickname_or_email(nickname_or_email), {:ok, _} <- User.try_send_confirmation_email(user) do conn |> json_response(:no_content, "") end end def update_avatar(%{assigns: %{user: user}} = conn, params) do {:ok, object} = ActivityPub.upload(params, type: :avatar) change = Changeset.change(user, %{avatar: object.data}) {:ok, user} = User.update_and_set_cache(change) CommonAPI.update(user) conn |> put_view(UserView) |> render("show.json", %{user: user, for: user}) end def update_banner(%{assigns: %{user: user}} = conn, params) do with {:ok, object} <- ActivityPub.upload(%{"img" => params["banner"]}, type: :banner), new_info <- %{"banner" => object.data}, info_cng <- User.Info.profile_update(user.info, new_info), changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng), {:ok, user} <- User.update_and_set_cache(changeset) do CommonAPI.update(user) %{"url" => [%{"href" => href} | _]} = object.data response = %{url: href} |> Jason.encode!() conn |> json_reply(200, response) end end def update_background(%{assigns: %{user: user}} = conn, params) do with {:ok, object} <- ActivityPub.upload(params, type: :background), new_info <- %{"background" => object.data}, info_cng <- User.Info.profile_update(user.info, new_info), changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng), {:ok, _user} <- User.update_and_set_cache(changeset) do %{"url" => [%{"href" => href} | _]} = object.data response = %{url: href} |> Jason.encode!() conn |> json_reply(200, response) end end def external_profile(%{assigns: %{user: current_user}} = conn, %{"profileurl" => uri}) do with {:ok, user_map} <- TwitterAPI.get_external_profile(current_user, uri), response <- Jason.encode!(user_map) do conn |> json_reply(200, response) else _e -> conn |> put_status(404) |> json(%{error: "Can't find user"}) end end def followers(%{assigns: %{user: for_user}} = conn, params) do with {:ok, user} <- TwitterAPI.get_user(for_user, params), {:ok, followers} <- User.get_followers(user) do followers = cond do for_user && user.id == for_user.id -> followers user.info.hide_network -> [] true -> followers end conn |> put_view(UserView) |> render("index.json", %{users: followers, for: conn.assigns[:user]}) else _e -> bad_request_reply(conn, "Can't get followers") end end def friends(%{assigns: %{user: for_user}} = conn, params) do with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params), {:ok, friends} <- User.get_friends(user) do friends = cond do for_user && user.id == for_user.id -> friends user.info.hide_network -> [] true -> friends end conn |> put_view(UserView) |> render("index.json", %{users: friends, for: conn.assigns[:user]}) else _e -> bad_request_reply(conn, "Can't get friends") end end def friend_requests(conn, params) do with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params), {:ok, friend_requests} <- User.get_follow_requests(user) do conn |> put_view(UserView) |> render("index.json", %{users: friend_requests, for: conn.assigns[:user]}) else _e -> bad_request_reply(conn, "Can't get friend requests") end end def approve_friend_request(conn, %{"user_id" => uid} = _params) do with followed <- conn.assigns[:user], uid when is_number(uid) <- String.to_integer(uid), %User{} = follower <- Repo.get(User, uid), {:ok, follower} <- User.maybe_follow(follower, followed), %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed), {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"), {:ok, _activity} <- ActivityPub.accept(%{ to: [follower.ap_id], actor: followed.ap_id, object: follow_activity.data["id"], type: "Accept" }) do conn |> put_view(UserView) |> render("show.json", %{user: follower, for: followed}) else e -> bad_request_reply(conn, "Can't approve user: #{inspect(e)}") end end def deny_friend_request(conn, %{"user_id" => uid} = _params) do with followed <- conn.assigns[:user], uid when is_number(uid) <- String.to_integer(uid), %User{} = follower <- Repo.get(User, uid), %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed), {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"), {:ok, _activity} <- ActivityPub.reject(%{ to: [follower.ap_id], actor: followed.ap_id, object: follow_activity.data["id"], type: "Reject" }) do conn |> put_view(UserView) |> render("show.json", %{user: follower, for: followed}) else e -> bad_request_reply(conn, "Can't deny user: #{inspect(e)}") end end def friends_ids(%{assigns: %{user: user}} = conn, _params) do with {:ok, friends} <- User.get_friends(user) do ids = friends |> Enum.map(fn x -> x.id end) |> Jason.encode!() json(conn, ids) else _e -> bad_request_reply(conn, "Can't get friends") end end def empty_array(conn, _params) do json(conn, Jason.encode!([])) end def raw_empty_array(conn, _params) do json(conn, []) end defp build_info_cng(user, params) do info_params = ["no_rich_text", "locked", "hide_network"] |> Enum.reduce(%{}, fn key, res -> if value = params[key] do Map.put(res, key, value == "true") else res end end) info_params = if value = params["default_scope"] do Map.put(info_params, "default_scope", value) else info_params end User.Info.profile_update(user.info, info_params) end defp parse_profile_bio(user, params) do if bio = params["description"] do Map.put(params, "bio", User.parse_bio(bio, user)) else params end end def update_profile(%{assigns: %{user: user}} = conn, params) do params = parse_profile_bio(user, params) info_cng = build_info_cng(user, params) with changeset <- User.update_changeset(user, params), changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng), {:ok, user} <- User.update_and_set_cache(changeset) do CommonAPI.update(user) conn |> put_view(UserView) |> render("user.json", %{user: user, for: user}) else error -> Logger.debug("Can't update user: #{inspect(error)}") bad_request_reply(conn, "Can't update user") end end def search(%{assigns: %{user: user}} = conn, %{"q" => _query} = params) do activities = TwitterAPI.search(user, params) conn |> put_view(ActivityView) |> render("index.json", %{activities: activities, for: user}) end def search_user(%{assigns: %{user: user}} = conn, %{"query" => query}) do users = User.search(query, true) conn |> put_view(UserView) |> render("index.json", %{users: users, for: user}) end defp bad_request_reply(conn, error_message) do json = error_json(conn, error_message) json_reply(conn, 400, json) end defp json_reply(conn, status, json) do conn |> put_resp_content_type("application/json") |> send_resp(status, json) end defp forbidden_json_reply(conn, error_message) do json = error_json(conn, error_message) json_reply(conn, 403, json) end def only_if_public_instance(conn = %{conn: %{assigns: %{user: _user}}}, _), do: conn def only_if_public_instance(conn, _) do if Keyword.get(Application.get_env(:pleroma, :instance), :public) do conn else conn |> forbidden_json_reply("Invalid credentials.") |> halt() end end defp error_json(conn, error_message) do %{"error" => error_message, "request" => conn.request_path} |> Jason.encode!() end def errors(conn, {:param_cast, _}) do conn |> put_status(400) |> json("Invalid parameters") end def errors(conn, _) do conn |> put_status(500) |> json("Something went wrong") end end