X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Factivity_pub_controller.ex;h=c130650fa089ae229b06330d631a98888e143992;hb=755f58168bb2b6b979c6f5d36f7eff56d2305911;hp=705dbc1c2bc584981564d8545b5071595b21c761;hpb=d1abf7a3585e4bc1ebea4f615ae2e149d5a56918;p=akkoma diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex index 705dbc1c2..6bf7421bb 100644 --- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex +++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex @@ -1,34 +1,60 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors +# Copyright © 2017-2020 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.ActivityPubController do use Pleroma.Web, :controller alias Pleroma.Activity + alias Pleroma.Delivery alias Pleroma.Object alias Pleroma.Object.Fetcher alias Pleroma.User alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.Web.ActivityPub.Builder alias Pleroma.Web.ActivityPub.InternalFetchActor alias Pleroma.Web.ActivityPub.ObjectView + alias Pleroma.Web.ActivityPub.Pipeline alias Pleroma.Web.ActivityPub.Relay alias Pleroma.Web.ActivityPub.Transmogrifier alias Pleroma.Web.ActivityPub.UserView alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.ActivityPub.Visibility + alias Pleroma.Web.ControllerHelper + alias Pleroma.Web.Endpoint alias Pleroma.Web.Federator + alias Pleroma.Web.Plugs.EnsureAuthenticatedPlug + alias Pleroma.Web.Plugs.FederatingPlug require Logger action_fallback(:errors) - plug(Pleroma.Plugs.Cache, [query_params: false] when action in [:activity, :object]) - plug(Pleroma.Web.FederatingPlug when action in [:inbox, :relay]) + @federating_only_actions [:internal_fetch, :relay, :relay_following, :relay_followers] + + plug(FederatingPlug when action in @federating_only_actions) + + plug( + EnsureAuthenticatedPlug, + [unless_func: &FederatingPlug.federating?/1] when action not in @federating_only_actions + ) + + # Note: :following and :followers must be served even without authentication (as via :api) + plug( + EnsureAuthenticatedPlug + when action in [:read_inbox, :update_outbox, :whoami, :upload_media] + ) + + plug( + Pleroma.Web.Plugs.Cache, + [query_params: false, tracking_fun: &__MODULE__.track_object_fetch/2] + when action in [:activity, :object] + ) + plug(:set_requester_reachable when action in [:inbox]) plug(:relay_active? when action in [:relay]) - def relay_active?(conn, _) do + defp relay_active?(conn, _) do if Pleroma.Config.get([:instance, :allow_relay]) do conn else @@ -39,21 +65,24 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end def user(conn, %{"nickname" => nickname}) do - with %User{} = user <- User.get_cached_by_nickname(nickname), + with %User{local: true} = user <- User.get_cached_by_nickname(nickname), {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("user.json", %{user: user})) + |> put_view(UserView) + |> render("user.json", %{user: user}) else nil -> {:error, :not_found} + %{local: false} -> {:error, :not_found} end end - def object(conn, %{"uuid" => uuid}) do - with ap_id <- o_status_url(conn, :object, uuid), + def object(conn, _) do + with ap_id <- Endpoint.url() <> conn.request_path, %Object{} = object <- Object.get_cached_by_ap_id(ap_id), {_, true} <- {:public?, Visibility.is_public?(object)} do conn + |> assign(:tracking_fun_data, object.id) |> set_cache_ttl_for(object) |> put_resp_content_type("application/activity+json") |> put_view(ObjectView) @@ -64,41 +93,22 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end end - def object_likes(conn, %{"uuid" => uuid, "page" => page}) do - with ap_id <- o_status_url(conn, :object, uuid), - %Object{} = object <- Object.get_cached_by_ap_id(ap_id), - {_, true} <- {:public?, Visibility.is_public?(object)}, - likes <- Utils.get_object_likes(object) do - {page, _} = Integer.parse(page) + def track_object_fetch(conn, nil), do: conn - conn - |> put_resp_content_type("application/activity+json") - |> json(ObjectView.render("likes.json", ap_id, likes, page)) - else - {:public?, false} -> - {:error, :not_found} + def track_object_fetch(conn, object_id) do + with %{assigns: %{user: %User{id: user_id}}} <- conn do + Delivery.create(object_id, user_id) end - end - def object_likes(conn, %{"uuid" => uuid}) do - with ap_id <- o_status_url(conn, :object, uuid), - %Object{} = object <- Object.get_cached_by_ap_id(ap_id), - {_, true} <- {:public?, Visibility.is_public?(object)}, - likes <- Utils.get_object_likes(object) do - conn - |> put_resp_content_type("application/activity+json") - |> json(ObjectView.render("likes.json", ap_id, likes)) - else - {:public?, false} -> - {:error, :not_found} - end + conn end - def activity(conn, %{"uuid" => uuid}) do - with ap_id <- o_status_url(conn, :activity, uuid), + def activity(conn, _params) do + with ap_id <- Endpoint.url() <> conn.request_path, %Activity{} = activity <- Activity.normalize(ap_id), {_, true} <- {:public?, Visibility.is_public?(activity)} do conn + |> maybe_set_tracking_data(activity) |> set_cache_ttl_for(activity) |> put_resp_content_type("application/activity+json") |> put_view(ObjectView) @@ -109,6 +119,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end end + defp maybe_set_tracking_data(conn, %Activity{data: %{"type" => "Create"}} = activity) do + object_id = Object.normalize(activity).id + assign(conn, :tracking_fun_data, object_id) + end + + defp maybe_set_tracking_data(conn, _activity), do: conn + defp set_cache_ttl_for(conn, %Activity{object: object}) do set_cache_ttl_for(conn, object) end @@ -130,22 +147,26 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end # GET /relay/following - def following(%{assigns: %{relay: true}} = conn, _params) do - conn - |> put_resp_content_type("application/activity+json") - |> json(UserView.render("following.json", %{user: Relay.get_actor()})) + def relay_following(conn, _params) do + with %{halted: false} = conn <- FederatingPlug.call(conn, []) do + conn + |> put_resp_content_type("application/activity+json") + |> put_view(UserView) + |> render("following.json", %{user: Relay.get_actor()}) + end end def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do with %User{} = user <- User.get_cached_by_nickname(nickname), {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user), {:show_follows, true} <- - {:show_follows, (for_user && for_user == user) || !user.info.hide_follows} do + {:show_follows, (for_user && for_user == user) || !user.hide_follows} do {page, _} = Integer.parse(page) conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("following.json", %{user: user, page: page, for: for_user})) + |> put_view(UserView) + |> render("following.json", %{user: user, page: page, for: for_user}) else {:show_follows, _} -> conn @@ -159,27 +180,32 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("following.json", %{user: user, for: for_user})) + |> put_view(UserView) + |> render("following.json", %{user: user, for: for_user}) end end # GET /relay/followers - def followers(%{assigns: %{relay: true}} = conn, _params) do - conn - |> put_resp_content_type("application/activity+json") - |> json(UserView.render("followers.json", %{user: Relay.get_actor()})) + def relay_followers(conn, _params) do + with %{halted: false} = conn <- FederatingPlug.call(conn, []) do + conn + |> put_resp_content_type("application/activity+json") + |> put_view(UserView) + |> render("followers.json", %{user: Relay.get_actor()}) + end end def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do with %User{} = user <- User.get_cached_by_nickname(nickname), {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user), {:show_followers, true} <- - {:show_followers, (for_user && for_user == user) || !user.info.hide_followers} do + {:show_followers, (for_user && for_user == user) || !user.hide_followers} do {page, _} = Integer.parse(page) conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("followers.json", %{user: user, page: page, for: for_user})) + |> put_view(UserView) + |> render("followers.json", %{user: user, page: page, for: for_user}) else {:show_followers, _} -> conn @@ -193,16 +219,47 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("followers.json", %{user: user, for: for_user})) + |> put_view(UserView) + |> render("followers.json", %{user: user, for: for_user}) + end + end + + def outbox( + %{assigns: %{user: for_user}} = conn, + %{"nickname" => nickname, "page" => page?} = params + ) + when page? in [true, "true"] do + with %User{} = user <- User.get_cached_by_nickname(nickname), + {:ok, user} <- User.ensure_keys_present(user) do + # "include_poll_votes" is a hack because postgres generates inefficient + # queries when filtering by 'Answer', poll votes will be hidden by the + # visibility filter in this case anyway + params = + params + |> Map.drop(["nickname", "page"]) + |> Map.put("include_poll_votes", true) + |> Map.new(fn {k, v} -> {String.to_existing_atom(k), v} end) + + activities = ActivityPub.fetch_user_activities(user, for_user, params) + + conn + |> put_resp_content_type("application/activity+json") + |> put_view(UserView) + |> render("activity_collection_page.json", %{ + activities: activities, + pagination: ControllerHelper.get_pagination_fields(conn, activities), + iri: "#{user.ap_id}/outbox" + }) end end - def outbox(conn, %{"nickname" => nickname} = params) do + def outbox(conn, %{"nickname" => nickname}) do with %User{} = user <- User.get_cached_by_nickname(nickname), {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]})) + |> put_view(UserView) + |> render("activity_collection.json", %{iri: "#{user.ap_id}/outbox"}) end end @@ -221,9 +278,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do json(conn, "ok") end - # only accept relayed Creates - def inbox(conn, %{"type" => "Create"} = params) do - Logger.info( + # POST /relay/inbox -or- POST /internal/fetch/inbox + def inbox(conn, params) do + if params["type"] == "Create" && FederatingPlug.federating?() do + post_inbox_relayed_create(conn, params) + else + post_inbox_fallback(conn, params) + end + end + + defp post_inbox_relayed_create(conn, params) do + Logger.debug( "Signature missing or not from author, relayed Create message, fetching object from source" ) @@ -232,25 +297,29 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do json(conn, "ok") end - def inbox(conn, params) do + defp post_inbox_fallback(conn, params) do headers = Enum.into(conn.req_headers, %{}) - if String.contains?(headers["signature"], params["actor"]) do - Logger.info( + if headers["signature"] && params["actor"] && + String.contains?(headers["signature"], params["actor"]) do + Logger.debug( "Signature validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!" ) - Logger.info(inspect(conn.req_headers)) + Logger.debug(inspect(conn.req_headers)) end - json(conn, dgettext("errors", "error")) + conn + |> put_status(:bad_request) + |> json(dgettext("errors", "error")) end defp represent_service_actor(%User{} = user, conn) do with {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("user.json", %{user: user})) + |> put_view(UserView) + |> render("user.json", %{user: user}) else nil -> {:error, :not_found} end @@ -268,33 +337,53 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do |> represent_service_actor(conn) end + @doc "Returns the authenticated user's ActivityPub User object or a 404 Not Found if non-authenticated" def whoami(%{assigns: %{user: %User{} = user}} = conn, _params) do conn |> put_resp_content_type("application/activity+json") - |> json(UserView.render("user.json", %{user: user})) + |> put_view(UserView) + |> render("user.json", %{user: user}) end - def whoami(_conn, _params), do: {:error, :not_found} - def read_inbox( - %{assigns: %{user: %{nickname: nickname} = user}} = conn, - %{"nickname" => nickname} = params - ) do + %{assigns: %{user: %User{nickname: nickname} = user}} = conn, + %{"nickname" => nickname, "page" => page?} = params + ) + when page? in [true, "true"] do + params = + params + |> Map.drop(["nickname", "page"]) + |> Map.put("blocking_user", user) + |> Map.put("user", user) + |> Map.new(fn {k, v} -> {String.to_existing_atom(k), v} end) + + activities = + [user.ap_id | User.following(user)] + |> ActivityPub.fetch_activities(params) + |> Enum.reverse() + conn |> put_resp_content_type("application/activity+json") |> put_view(UserView) - |> render("inbox.json", user: user, max_id: params["max_id"]) + |> render("activity_collection_page.json", %{ + activities: activities, + pagination: ControllerHelper.get_pagination_fields(conn, activities), + iri: "#{user.ap_id}/inbox" + }) end - def read_inbox(%{assigns: %{user: nil}} = conn, %{"nickname" => nickname}) do - err = dgettext("errors", "can't read inbox of %{nickname}", nickname: nickname) - - conn - |> put_status(:forbidden) - |> json(err) + def read_inbox(%{assigns: %{user: %User{nickname: nickname} = user}} = conn, %{ + "nickname" => nickname + }) do + with {:ok, user} <- User.ensure_keys_present(user) do + conn + |> put_resp_content_type("application/activity+json") + |> put_view(UserView) + |> render("activity_collection.json", %{iri: "#{user.ap_id}/inbox"}) + end end - def read_inbox(%{assigns: %{user: %{nickname: as_nickname}}} = conn, %{ + def read_inbox(%{assigns: %{user: %User{nickname: as_nickname}}} = conn, %{ "nickname" => nickname }) do err = @@ -308,42 +397,58 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do |> json(err) end - def handle_user_activity(user, %{"type" => "Create"} = params) do - object = - params["object"] - |> Map.merge(Map.take(params, ["to", "cc"])) - |> Map.put("attributedTo", user.ap_id()) - |> Transmogrifier.fix_object() + defp handle_user_activity( + %User{} = user, + %{"type" => "Create", "object" => %{"type" => "Note"} = object} = params + ) do + content = if is_binary(object["content"]), do: object["content"], else: "" + name = if is_binary(object["name"]), do: object["name"], else: "" + summary = if is_binary(object["summary"]), do: object["summary"], else: "" + length = String.length(content <> name <> summary) - ActivityPub.create(%{ - to: params["to"], - actor: user, - context: object["context"], - object: object, - additional: Map.take(params, ["cc"]) - }) + if length > Pleroma.Config.get([:instance, :limit]) do + {:error, dgettext("errors", "Note is over the character limit")} + else + object = + object + |> Map.merge(Map.take(params, ["to", "cc"])) + |> Map.put("attributedTo", user.ap_id()) + |> Transmogrifier.fix_object() + + ActivityPub.create(%{ + to: params["to"], + actor: user, + context: object["context"], + object: object, + additional: Map.take(params, ["cc"]) + }) + end end - def handle_user_activity(user, %{"type" => "Delete"} = params) do + defp handle_user_activity(%User{} = user, %{"type" => "Delete"} = params) do with %Object{} = object <- Object.normalize(params["object"]), - true <- user.info.is_moderator || user.ap_id == object.data["actor"], - {:ok, delete} <- ActivityPub.delete(object) do + true <- user.is_moderator || user.ap_id == object.data["actor"], + {:ok, delete_data, _} <- Builder.delete(user, object.data["id"]), + {:ok, delete, _} <- Pipeline.common_pipeline(delete_data, local: true) do {:ok, delete} else _ -> {:error, dgettext("errors", "Can't delete object")} end end - def handle_user_activity(user, %{"type" => "Like"} = params) do + defp handle_user_activity(%User{} = user, %{"type" => "Like"} = params) do with %Object{} = object <- Object.normalize(params["object"]), - {:ok, activity, _object} <- ActivityPub.like(user, object) do + {_, {:ok, like_object, meta}} <- {:build_object, Builder.like(user, object)}, + {_, {:ok, %Activity{} = activity, _meta}} <- + {:common_pipeline, + Pipeline.common_pipeline(like_object, Keyword.put(meta, :local, true))} do {:ok, activity} else _ -> {:error, dgettext("errors", "Can't like object")} end end - def handle_user_activity(_, _) do + defp handle_user_activity(_, _) do {:error, dgettext("errors", "Unhandled activity type")} end @@ -372,7 +477,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end end - def update_outbox(%{assigns: %{user: user}} = conn, %{"nickname" => nickname} = _) do + def update_outbox(%{assigns: %{user: %User{} = user}} = conn, %{"nickname" => nickname}) do err = dgettext("errors", "can't update outbox of %{nickname} as %{as_nickname}", nickname: nickname, @@ -384,13 +489,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do |> json(err) end - def errors(conn, {:error, :not_found}) do + defp errors(conn, {:error, :not_found}) do conn |> put_status(:not_found) |> json(dgettext("errors", "Not found")) end - def errors(conn, _e) do + defp errors(conn, _e) do conn |> put_status(:internal_server_error) |> json(dgettext("errors", "error")) @@ -417,4 +522,32 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do {new_user, for_user} end + + @doc """ + Endpoint based on + + Parameters: + - (required) `file`: data of the media + - (optionnal) `description`: description of the media, intended for accessibility + + Response: + - HTTP Code: 201 Created + - HTTP Body: ActivityPub object to be inserted into another's `attachment` field + + Note: Will not point to a URL with a `Location` header because no standalone Activity has been created. + """ + def upload_media(%{assigns: %{user: %User{} = user}} = conn, %{"file" => file} = data) do + with {:ok, object} <- + ActivityPub.upload( + file, + actor: User.ap_id(user), + description: Map.get(data, "description") + ) do + Logger.debug(inspect(object)) + + conn + |> put_status(:created) + |> json(object.data) + end + end end