X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Futils.ex;h=4f7fdaf38a1796d00b5bfb6480f9bab5e7107b97;hb=51a9f97e87823cbd9e92c375f4bc4c0bfa8b79db;hp=9e460b6049da4978d8f9dcc26711ae10299bc909;hpb=1364d303f8e4dcd4d9f7913d4755c58b0f4b87ef;p=akkoma diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index 9e460b604..0b5f496e3 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -1,16 +1,17 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors +# Copyright © 2017-2021 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.Utils do alias Ecto.Changeset alias Ecto.UUID alias Pleroma.Activity + alias Pleroma.Config + alias Pleroma.Maps alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Repo alias Pleroma.User - alias Pleroma.Web alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.ActivityPub.Visibility alias Pleroma.Web.AdminAPI.AccountView @@ -22,7 +23,16 @@ defmodule Pleroma.Web.ActivityPub.Utils do require Logger require Pleroma.Constants - @supported_object_types ["Article", "Note", "Video", "Page", "Question", "Answer", "Audio"] + @supported_object_types [ + "Article", + "Note", + "Event", + "Video", + "Page", + "Question", + "Answer", + "Audio" + ] @strip_status_report_states ~w(closed resolved) @supported_report_states ~w(open closed resolved) @valid_visibilities ~w(public unlisted private direct) @@ -36,8 +46,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do Map.put(params, "actor", get_ap_id(params["actor"])) end - @spec determine_explicit_mentions(map()) :: map() - def determine_explicit_mentions(%{"tag" => tag} = _) when is_list(tag) do + @spec determine_explicit_mentions(map()) :: [any] + def determine_explicit_mentions(%{"tag" => tag}) when is_list(tag) do Enum.flat_map(tag, fn %{"type" => "Mention", "href" => href} -> [href] _ -> [] @@ -96,7 +106,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do %{ "@context" => [ "https://www.w3.org/ns/activitystreams", - "#{Web.base_url()}/schemas/litepub-0.1.jsonld", + "#{Endpoint.url()}/schemas/litepub-0.1.jsonld", %{ "@language" => "und" } @@ -121,7 +131,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do end def generate_id(type) do - "#{Web.base_url()}/#{type}/#{UUID.generate()}" + "#{Endpoint.url()}/#{type}/#{UUID.generate()}" end def get_notified_from_object(%{"type" => type} = object) when type in @supported_object_types do @@ -160,8 +170,12 @@ defmodule Pleroma.Web.ActivityPub.Utils do Enqueues an activity for federation if it's local """ @spec maybe_federate(any()) :: :ok - def maybe_federate(%Activity{local: true} = activity) do - if Pleroma.Config.get!([:instance, :federating]) do + def maybe_federate(%Activity{local: true, data: %{"type" => type}} = activity) do + outgoing_blocks = Config.get([:activitypub, :outgoing_blocks]) + + with true <- Config.get!([:instance, :federating]), + true <- type != "Block" || outgoing_blocks, + false <- Visibility.is_local_public?(activity) do Pleroma.Web.Federator.publish(activity) end @@ -231,7 +245,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do Inserts a full object if it is contained in an activity. """ def insert_full_object(%{"object" => %{"type" => type} = object_data} = map) - when is_map(object_data) and type in @supported_object_types do + when type in @supported_object_types do with {:ok, object} <- Object.create(object_data) do map = Map.put(map, "object", object.data["id"]) @@ -294,28 +308,21 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => cc, "context" => object.data["context"] } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def make_emoji_reaction_data(user, object, emoji, activity_id) do make_like_data(user, object, activity_id) - |> Map.put("type", "EmojiReaction") + |> Map.put("type", "EmojiReact") |> Map.put("content", emoji) end - @spec update_element_in_object(String.t(), list(any), Object.t()) :: + @spec update_element_in_object(String.t(), list(any), Object.t(), integer() | nil) :: {:ok, Object.t()} | {:error, Ecto.Changeset.t()} - def update_element_in_object(property, element, object) do + def update_element_in_object(property, element, object, count \\ nil) do length = - if is_map(element) do - element - |> Map.values() - |> List.flatten() - |> length() - else - element - |> length() - end + count || + length(element) data = Map.merge( @@ -335,29 +342,60 @@ defmodule Pleroma.Web.ActivityPub.Utils do %Activity{data: %{"content" => emoji, "actor" => actor}}, object ) do - reactions = object.data["reactions"] || %{} - emoji_actors = reactions[emoji] || [] - new_emoji_actors = [actor | emoji_actors] |> Enum.uniq() - new_reactions = Map.put(reactions, emoji, new_emoji_actors) - update_element_in_object("reaction", new_reactions, object) + reactions = get_cached_emoji_reactions(object) + + new_reactions = + case Enum.find_index(reactions, fn [candidate, _] -> emoji == candidate end) do + nil -> + reactions ++ [[emoji, [actor]]] + + index -> + List.update_at( + reactions, + index, + fn [emoji, users] -> [emoji, Enum.uniq([actor | users])] end + ) + end + + count = emoji_count(new_reactions) + + update_element_in_object("reaction", new_reactions, object, count) + end + + def emoji_count(reactions_list) do + Enum.reduce(reactions_list, 0, fn [_, users], acc -> acc + length(users) end) end def remove_emoji_reaction_from_object( %Activity{data: %{"content" => emoji, "actor" => actor}}, object ) do - reactions = object.data["reactions"] || %{} - emoji_actors = reactions[emoji] || [] - new_emoji_actors = List.delete(emoji_actors, actor) + reactions = get_cached_emoji_reactions(object) new_reactions = - if new_emoji_actors == [] do - Map.delete(reactions, emoji) - else - Map.put(reactions, emoji, new_emoji_actors) + case Enum.find_index(reactions, fn [candidate, _] -> emoji == candidate end) do + nil -> + reactions + + index -> + List.update_at( + reactions, + index, + fn [emoji, users] -> [emoji, List.delete(users, actor)] end + ) + |> Enum.reject(fn [_, users] -> Enum.empty?(users) end) end - update_element_in_object("reaction", new_reactions, object) + count = emoji_count(new_reactions) + update_element_in_object("reaction", new_reactions, object, count) + end + + def get_cached_emoji_reactions(object) do + if is_list(object.data["reactions"]) do + object.data["reactions"] + else + [] + end end @spec add_like_to_object(Activity.t(), Object.t()) :: @@ -394,7 +432,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do @doc """ Updates a follow activity's state (for locked accounts). """ - @spec update_follow_state_for_all(Activity.t(), String.t()) :: {:ok, Activity} | {:error, any()} + @spec update_follow_state_for_all(Activity.t(), String.t()) :: {:ok, Activity | nil} def update_follow_state_for_all( %Activity{data: %{"actor" => actor, "object" => object}} = activity, state @@ -407,22 +445,19 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> update(set: [data: fragment("jsonb_set(data, '{state}', ?)", ^state)]) |> Repo.update_all([]) - User.set_follow_state_cache(actor, object, state) - activity = Activity.get_by_id(activity.id) {:ok, activity} end def update_follow_state( - %Activity{data: %{"actor" => actor, "object" => object}} = activity, + %Activity{} = activity, state ) do new_data = Map.put(activity.data, "state", state) changeset = Changeset.change(activity, data: new_data) with {:ok, activity} <- Repo.update(changeset) do - User.set_follow_state_cache(actor, object, state) {:ok, activity} end end @@ -443,7 +478,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "object" => followed_id, "state" => "pending" } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do @@ -457,10 +492,19 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> Repo.one() end + def fetch_latest_undo(%User{ap_id: ap_id}) do + "Undo" + |> Activity.Queries.by_type() + |> where(actor: ^ap_id) + |> order_by([activity], fragment("? desc nulls last", activity.id)) + |> limit(1) + |> Repo.one() + end + def get_latest_reaction(internal_activity_id, %{ap_id: ap_id}, emoji) do %{data: %{"object" => object_ap_id}} = Activity.get_by_id(internal_activity_id) - "EmojiReaction" + "EmojiReact" |> Activity.Queries.by_type() |> where(actor: ^ap_id) |> where([activity], fragment("?->>'content' = ?", activity.data, ^emoji)) @@ -473,7 +517,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do #### Announce-related helpers @doc """ - Retruns an existing announce activity if the notice has already been announced + Returns an existing announce activity if the notice has already been announced """ @spec get_existing_announce(String.t(), map()) :: Activity.t() | nil def get_existing_announce(actor, %{data: %{"id" => ap_id}}) do @@ -503,7 +547,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => [], "context" => object.data["context"] } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def make_announce_data( @@ -520,46 +564,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => [Pleroma.Constants.as_public()], "context" => object.data["context"] } - |> maybe_put("id", activity_id) - end - - @doc """ - Make unannounce activity data for the given actor and object - """ - def make_unannounce_data( - %User{ap_id: ap_id} = user, - %Activity{data: %{"context" => context, "object" => object}} = activity, - activity_id - ) do - object = Object.normalize(object) - - %{ - "type" => "Undo", - "actor" => ap_id, - "object" => activity.data, - "to" => [user.follower_address, object.data["actor"]], - "cc" => [Pleroma.Constants.as_public()], - "context" => context - } - |> maybe_put("id", activity_id) - end - - def make_unlike_data( - %User{ap_id: ap_id} = user, - %Activity{data: %{"context" => context, "object" => object}} = activity, - activity_id - ) do - object = Object.normalize(object) - - %{ - "type" => "Undo", - "actor" => ap_id, - "object" => activity.data, - "to" => [user.follower_address, object.data["actor"]], - "cc" => [Pleroma.Constants.as_public()], - "context" => context - } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def make_undo_data( @@ -578,7 +583,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => [Pleroma.Constants.as_public()], "context" => context } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end @spec add_announce_to_object(Activity.t(), Object.t()) :: @@ -623,7 +628,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "to" => [followed.ap_id], "object" => follow_activity.data } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end #### Block-related helpers @@ -646,17 +651,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "to" => [blocked.ap_id], "object" => blocked.ap_id } - |> maybe_put("id", activity_id) - end - - def make_unblock_data(blocker, blocked, block_activity, activity_id) do - %{ - "type" => "Undo", - "actor" => blocker.ap_id, - "to" => [blocked.ap_id], - "object" => block_activity.data - } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end #### Create-related helpers @@ -706,14 +701,30 @@ defmodule Pleroma.Web.ActivityPub.Utils do def make_flag_data(_, _), do: %{} - defp build_flag_object(%{account: account, statuses: statuses} = _) do - [account.ap_id] ++ build_flag_object(%{statuses: statuses}) + defp build_flag_object(%{account: account, statuses: statuses}) do + [account.ap_id | build_flag_object(%{statuses: statuses})] end defp build_flag_object(%{statuses: statuses}) do Enum.map(statuses || [], &build_flag_object/1) end + defp build_flag_object(%Activity{data: %{"id" => id}, object: %{data: data}}) do + activity_actor = User.get_by_ap_id(data["actor"]) + + %{ + "type" => "Note", + "id" => id, + "content" => data["content"], + "published" => data["published"], + "actor" => + AccountView.render( + "show.json", + %{user: activity_actor, skip_visibility_check: true} + ) + } + end + defp build_flag_object(act) when is_map(act) or is_binary(act) do id = case act do @@ -722,163 +733,35 @@ defmodule Pleroma.Web.ActivityPub.Utils do act when is_binary(act) -> act end - activity = Activity.get_by_ap_id_with_object(id) - actor = User.get_by_ap_id(activity.object.data["actor"]) + case Activity.get_by_ap_id_with_object(id) do + %Activity{} = activity -> + build_flag_object(activity) - %{ - "type" => "Note", - "id" => activity.data["id"], - "content" => activity.object.data["content"], - "published" => activity.object.data["published"], - "actor" => AccountView.render("show.json", %{user: actor}) - } + nil -> + if activity = Activity.get_by_object_ap_id_with_object(id) do + build_flag_object(activity) + else + %{"id" => id, "deleted" => true} + end + end end defp build_flag_object(_), do: [] - @doc """ - Fetches the OrderedCollection/OrderedCollectionPage from `from`, limiting the amount of pages fetched after - the first one to `pages_left` pages. - If the amount of pages is higher than the collection has, it returns whatever was there. - """ - def fetch_ordered_collection(from, pages_left, acc \\ []) do - with {:ok, response} <- Tesla.get(from), - {:ok, collection} <- Jason.decode(response.body) do - case collection["type"] do - "OrderedCollection" -> - # If we've encountered the OrderedCollection and not the page, - # just call the same function on the page address - fetch_ordered_collection(collection["first"], pages_left) - - "OrderedCollectionPage" -> - if pages_left > 0 do - # There are still more pages - if Map.has_key?(collection, "next") do - # There are still more pages, go deeper saving what we have into the accumulator - fetch_ordered_collection( - collection["next"], - pages_left - 1, - acc ++ collection["orderedItems"] - ) - else - # No more pages left, just return whatever we already have - acc ++ collection["orderedItems"] - end - else - # Got the amount of pages needed, add them all to the accumulator - acc ++ collection["orderedItems"] - end - - _ -> - {:error, "Not an OrderedCollection or OrderedCollectionPage"} - end - end - end - #### Report-related helpers def get_reports(params, page, page_size) do params = params - |> Map.put("type", "Flag") - |> Map.put("skip_preload", true) - |> Map.put("total", true) - |> Map.put("limit", page_size) - |> Map.put("offset", (page - 1) * page_size) + |> Map.put(:type, "Flag") + |> Map.put(:skip_preload, true) + |> Map.put(:preload_report_notes, true) + |> Map.put(:total, true) + |> Map.put(:limit, page_size) + |> Map.put(:offset, (page - 1) * page_size) ActivityPub.fetch_activities([], params, :offset) end - @spec get_reports_grouped_by_status(%{required(:activity) => String.t()}) :: %{ - required(:groups) => [ - %{ - required(:date) => String.t(), - required(:account) => %{}, - required(:status) => %{}, - required(:actors) => [%User{}], - required(:reports) => [%Activity{}] - } - ], - required(:total) => integer - } - def get_reports_grouped_by_status(groups) do - parsed_groups = - groups - |> Enum.map(fn entry -> - activity = - case Jason.decode(entry.activity) do - {:ok, activity} -> activity - _ -> build_flag_object(entry.activity) - end - - parse_report_group(activity) - end) - - %{ - groups: parsed_groups - } - end - - def parse_report_group(activity) do - reports = get_reports_by_status_id(activity["id"]) - max_date = Enum.max_by(reports, &NaiveDateTime.from_iso8601!(&1.data["published"])) - actors = Enum.map(reports, & &1.user_actor) - {deleted, status} = get_status_data(activity) - - %{ - date: max_date.data["published"], - account: activity["actor"], - status: status, - status_deleted: deleted, - actors: Enum.uniq(actors), - reports: reports - } - end - - defp get_status_data(activity) do - case Activity.get_by_ap_id(activity["id"]) do - %Activity{} = act -> - {false, act} - - _ -> - {true, - %{ - id: activity["id"], - content: activity["content"], - published: activity["published"] - }} - end - end - - def get_reports_by_status_id(ap_id) do - from(a in Activity, - where: fragment("(?)->>'type' = 'Flag'", a.data), - where: fragment("(?)->'object' @> ?", a.data, ^[%{id: ap_id}]), - or_where: fragment("(?)->'object' @> ?", a.data, ^[ap_id]) - ) - |> Activity.with_preloaded_user_actor() - |> Repo.all() - end - - @spec get_reported_activities() :: [ - %{ - required(:activity) => String.t(), - required(:date) => String.t() - } - ] - def get_reported_activities do - from(a in Activity, - where: fragment("(?)->>'type' = 'Flag'", a.data), - select: %{ - date: fragment("max(?->>'published') date", a.data), - activity: - fragment("jsonb_array_elements_text((? #- '{object,0}')->'object') activity", a.data) - }, - group_by: fragment("activity"), - order_by: fragment("date DESC") - ) - |> Repo.all() - end - def update_report_state(%Activity{} = activity, state) when state in @strip_status_report_states do {:ok, stripped_activity} = strip_report_status_data(activity) @@ -917,7 +800,13 @@ defmodule Pleroma.Web.ActivityPub.Utils do def strip_report_status_data(activity) do [actor | reported_activities] = activity.data["object"] - stripped_activities = Enum.map(reported_activities, & &1["id"]) + + stripped_activities = + Enum.map(reported_activities, fn + act when is_map(act) -> act["id"] + act when is_binary(act) -> act + end) + new_data = put_in(activity.data, ["object"], [actor | stripped_activities]) {:ok, %{activity | data: new_data}} @@ -993,7 +882,4 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> where([a, object: o], fragment("(?)->>'type' = 'Answer'", o.data)) |> Repo.all() end - - def maybe_put(map, _key, nil), do: map - def maybe_put(map, key, value), do: Map.put(map, key, value) end