defmodule Pleroma.Web.TwitterAPI.Controller do use Pleroma.Web, :controller alias Pleroma.Formatter alias Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView} alias Pleroma.Web.CommonAPI alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils alias Pleroma.{Repo, Activity, 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) render(conn, UserView, "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 |> render(ActivityView, "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 |> render(ActivityView, "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 |> render(ActivityView, "index.json", %{activities: activities, for: user}) end def show_user(conn, params) do with {:ok, shown} <- TwitterAPI.get_user(params) do if user = conn.assigns.user do render(conn, UserView, "show.json", %{user: shown, for: user}) else render(conn, UserView, "show.json", %{user: shown}) end else {:error, msg} -> bad_request_reply(conn, msg) 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 |> render(ActivityView, "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 |> render(ActivityView, "index.json", %{activities: activities, for: user}) end def notifications(%{assigns: %{user: user}} = conn, params) do notifications = Notification.for_user(user, params) conn |> render(NotificationView, "notification.json", %{notifications: notifications, for: user}) end def follow(%{assigns: %{user: user}} = conn, params) do case TwitterAPI.follow(user, params) do {:ok, user, followed, _activity} -> render(conn, UserView, "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} -> render(conn, UserView, "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} -> render(conn, UserView, "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 render(conn, ActivityView, "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} -> render(conn, UserView, "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 render(conn, ActivityView, "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 |> render(ActivityView, "index.json", %{activities: activities, for: user}) end end def upload(conn, %{"media" => media}) do response = TwitterAPI.upload(media) conn |> put_resp_content_type("application/atom+xml") |> send_resp(200, response) end def upload_json(conn, %{"media" => media}) do response = TwitterAPI.upload(media, "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 render(conn, ActivityView, "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 render(conn, ActivityView, "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 render(conn, ActivityView, "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 render(conn, ActivityView, "activity.json", %{activity: activity, for: user}) end end def register(conn, params) do with {:ok, user} <- TwitterAPI.register_user(params) do render(conn, UserView, "show.json", %{user: user}) else {:error, errors} -> conn |> json_reply(400, Jason.encode!(errors)) end end def update_avatar(%{assigns: %{user: user}} = conn, params) do upload_limit = Application.get_env(:pleroma, :instance) |> Keyword.fetch(:avatar_upload_limit) {:ok, object} = ActivityPub.upload(params, upload_limit) change = Changeset.change(user, %{avatar: object.data}) {:ok, user} = User.update_and_set_cache(change) CommonAPI.update(user) render(conn, UserView, "show.json", %{user: user, for: user}) end def update_banner(%{assigns: %{user: user}} = conn, params) do upload_limit = Application.get_env(:pleroma, :instance) |> Keyword.fetch(:banner_upload_limit) with {:ok, object} <- ActivityPub.upload(%{"img" => params["banner"]}, upload_limit), new_info <- Map.put(user.info, "banner", object.data), change <- User.info_changeset(user, %{info: new_info}), {:ok, user} <- User.update_and_set_cache(change) 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 upload_limit = Application.get_env(:pleroma, :instance) |> Keyword.fetch(:background_upload_limit) with {:ok, object} <- ActivityPub.upload(params, upload_limit), new_info <- Map.put(user.info, "background", object.data), change <- User.info_changeset(user, %{info: new_info}), {:ok, _user} <- User.update_and_set_cache(change) 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 update_most_recent_notification(%{assigns: %{user: user}} = conn, %{"id" => id}) do with id when is_number(id) <- String.to_integer(id), info <- user.info, mrn <- max(id, user.info["most_recent_notification"] || 0), updated_info <- Map.put(info, "most_recent_notification", mrn), changeset <- User.info_changeset(user, %{info: updated_info}), {:ok, _user} <- User.update_and_set_cache(changeset) do conn |> json_reply(200, Jason.encode!(mrn)) else _e -> bad_request_reply(conn, "Can't update.") end end def followers(conn, params) do with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params), {:ok, followers} <- User.get_followers(user) do render(conn, UserView, "index.json", %{users: followers, for: conn.assigns[:user]}) else _e -> bad_request_reply(conn, "Can't get followers") end end def friends(conn, params) do with {:ok, user} <- TwitterAPI.get_user(conn.assigns[:user], params), {:ok, friends} <- User.get_friends(user) do render(conn, UserView, "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 render(conn, UserView, "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 render(conn, UserView, "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 render(conn, UserView, "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 def update_profile(%{assigns: %{user: user}} = conn, params) do params = if bio = params["description"] do mentions = Formatter.parse_mentions(bio) tags = Formatter.parse_tags(bio) emoji = (user.info["source_data"]["tag"] || []) |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end) |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} -> {String.trim(name, ":"), url} end) bio_html = CommonUtils.format_input(bio, mentions, tags, "text/plain") Map.put(params, "bio", bio_html |> Formatter.emojify(emoji)) else params end user = if locked = params["locked"] do with locked <- locked == "true", new_info <- Map.put(user.info, "locked", locked), change <- User.info_changeset(user, %{info: new_info}), {:ok, user} <- User.update_and_set_cache(change) do user else _e -> user end else user end user = if no_rich_text = params["no_rich_text"] do with no_rich_text <- no_rich_text == "true", new_info <- Map.put(user.info, "no_rich_text", no_rich_text), change <- User.info_changeset(user, %{info: new_info}), {:ok, user} <- User.update_and_set_cache(change) do user else _e -> user end else user end user = if default_scope = params["default_scope"] do with new_info <- Map.put(user.info, "default_scope", default_scope), change <- User.info_changeset(user, %{info: new_info}), {:ok, user} <- User.update_and_set_cache(change) do user else _e -> user end else user end with changeset <- User.update_changeset(user, params), {:ok, user} <- User.update_and_set_cache(changeset) do CommonAPI.update(user) render(conn, UserView, "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 |> render(ActivityView, "index.json", %{activities: activities, 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.") 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