X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Factivity_pub.ex;h=b9b95a0e9485a653549d6370f081fad180a5ce00;hb=980b5288ed119a3579afe632dff3391528ff399c;hp=81c11dd766b94060b4f946950aedaaa169d1caf5;hpb=7ca2a2ddeaa4396c86cd39a43a8fd0a4c8d3ce14;p=akkoma diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index 81c11dd76..b9b95a0e9 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -1,3 +1,7 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2019 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.{Activity, Repo, Object, Upload, User, Notification} alias Pleroma.Web.ActivityPub.{Transmogrifier, MRF} @@ -10,8 +14,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do @httpoison Application.get_env(:pleroma, :httpoison) - @instance Application.get_env(:pleroma, :instance) - # For Announce activities, we filter the recipients based on following status for any actors # that match actual users. See issue #164 for more information about why this is necessary. defp get_recipients(%{"type" => "Announce"} = data) do @@ -44,7 +46,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp check_actor_is_active(actor) do if not is_nil(actor) do with user <- User.get_cached_by_ap_id(actor), - nil <- user.info["deactivated"] do + false <- user.info.deactivated do :ok else _e -> :reject @@ -54,10 +56,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end + defp check_remote_limit(%{"object" => %{"content" => content}}) do + limit = Pleroma.Config.get([:instance, :remote_limit]) + String.length(content) <= limit + end + + defp check_remote_limit(_), do: true + def insert(map, local \\ true) when is_map(map) do with nil <- Activity.normalize(map), map <- lazy_put_activity_defaults(map), :ok <- check_actor_is_active(map["actor"]), + {_, true} <- {:remote_limit_error, check_remote_limit(map)}, {:ok, map} <- MRF.filter(map), :ok <- insert_full_object(map) do {recipients, _, _} = get_recipients(map) @@ -93,6 +103,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do Pleroma.Web.Streamer.stream("public:local", activity) end + activity.data["object"] + |> Map.get("tag", []) + |> Enum.filter(fn tag -> is_bitstring(tag) end) + |> Enum.map(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end) + if activity.data["object"]["attachment"] != [] do Pleroma.Web.Streamer.stream("public:media", activity) @@ -268,8 +283,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do "to" => [user.follower_address, "https://www.w3.org/ns/activitystreams#Public"] } - with Repo.delete(object), - Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)), + with {:ok, _} <- Object.delete(object), {:ok, activity} <- insert(data, local), :ok <- maybe_federate(activity), {:ok, _actor} <- User.decrease_note_count(user) do @@ -497,6 +511,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_replies(query, _), do: query + defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do + from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data)) + end + + defp restrict_reblogs(query, _), do: query + # Only search through last 100_000 activities by default defp restrict_recent(query, %{"whole_db" => true}), do: query @@ -507,8 +527,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do - blocks = info["blocks"] || [] - domain_blocks = info["domain_blocks"] || [] + blocks = info.blocks || [] + domain_blocks = info.domain_blocks || [] from( activity in query, @@ -555,6 +575,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> restrict_media(opts) |> restrict_visibility(opts) |> restrict_replies(opts) + |> restrict_reblogs(opts) end def fetch_activities(recipients, opts \\ %{}) do @@ -570,9 +591,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Enum.reverse() end - def upload(file) do - data = Upload.store(file, Application.get_env(:pleroma, :instance)[:dedupe_media]) - Repo.insert(%Object{data: data}) + def upload(file, opts \\ []) do + with {:ok, data} <- Upload.store(file, opts) do + obj_data = + if opts[:actor] do + Map.put(data, "actor", opts[:actor]) + else + data + end + + Repo.insert(%Object{data: obj_data}) + end end def user_data_from_user_object(data) do @@ -623,9 +652,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end def fetch_and_prepare_user_from_ap_id(ap_id) do - with {:ok, %{status_code: 200, body: body}} <- - @httpoison.get(ap_id, [Accept: "application/activity+json"], follow_redirect: true), - {:ok, data} <- Jason.decode(body) do + with {:ok, data} <- fetch_and_contain_remote_object_from_id(ap_id) do user_data_from_user_object(data) else e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}") @@ -652,14 +679,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - @quarantined_instances Keyword.get(@instance, :quarantined_instances, []) - def should_federate?(inbox, public) do if public do true else inbox_info = URI.parse(inbox) - inbox_info.host not in @quarantined_instances + !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host) end end @@ -677,8 +702,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do remote_inboxes = (Pleroma.Web.Salmon.remote_users(activity) ++ followers) |> Enum.filter(fn user -> User.ap_enabled?(user) end) - |> Enum.map(fn %{info: %{"source_data" => data}} -> - (data["endpoints"] && data["endpoints"]["sharedInbox"]) || data["inbox"] + |> Enum.map(fn %{info: %{source_data: data}} -> + (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] end) |> Enum.uniq() |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) @@ -729,28 +754,22 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do else Logger.info("Fetching #{id} via AP") - with true <- String.starts_with?(id, "http"), - {:ok, %{body: body, status_code: code}} when code in 200..299 <- - @httpoison.get( - id, - [Accept: "application/activity+json"], - follow_redirect: true, - timeout: 10000, - recv_timeout: 20000 - ), - {:ok, data} <- Jason.decode(body), + with {:ok, data} <- fetch_and_contain_remote_object_from_id(id), nil <- Object.normalize(data), params <- %{ "type" => "Create", "to" => data["to"], "cc" => data["cc"], - "actor" => data["attributedTo"], + "actor" => data["actor"] || data["attributedTo"], "object" => data }, :ok <- Transmogrifier.contain_origin(id, params), {:ok, activity} <- Transmogrifier.handle_incoming(params) do {:ok, Object.normalize(activity.data["object"])} else + {:error, {:reject, nil}} -> + {:reject, nil} + object = %Object{} -> {:ok, object} @@ -765,6 +784,24 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end + def fetch_and_contain_remote_object_from_id(id) do + Logger.info("Fetching #{id} via AP") + + with true <- String.starts_with?(id, "http"), + {:ok, %{body: body, status: code}} when code in 200..299 <- + @httpoison.get( + id, + [{:Accept, "application/activity+json"}] + ), + {:ok, data} <- Jason.decode(body), + :ok <- Transmogrifier.contain_origin_from_id(id, data) do + {:ok, data} + else + e -> + {:error, e} + end + end + def is_public?(activity) do "https://www.w3.org/ns/activitystreams#Public" in (activity.data["to"] ++ (activity.data["cc"] || [])) @@ -779,4 +816,38 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do y = activity.data["to"] ++ (activity.data["cc"] || []) visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y)) end + + # guard + def entire_thread_visible_for_user?(nil, _user), do: false + + # child + def entire_thread_visible_for_user?( + %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail, + user + ) + when is_binary(parent_id) do + parent = Activity.get_in_reply_to_activity(tail) + visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user) + end + + # root + def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user) + + # filter out broken threads + def contain_broken_threads(%Activity{} = activity, %User{} = user) do + entire_thread_visible_for_user?(activity, user) + end + + # do post-processing on a specific activity + def contain_activity(%Activity{} = activity, %User{} = user) do + contain_broken_threads(activity, user) + end + + # do post-processing on a timeline + def contain_timeline(timeline, user) do + timeline + |> Enum.filter(fn activity -> + contain_activity(activity, user) + end) + end end