X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Ftransmogrifier.ex;h=09bd9a44290679477778ffa6548e290632daa43a;hb=f20a19de853e8834f7774ee0098a14213bc7427f;hp=dad2fead8478c77ae4020e6639210d5486e58248;hpb=3ff57f1fd3f7529f2c657a3940b1727b8a2df527;p=akkoma diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index dad2fead8..09bd9a442 100644 --- a/lib/pleroma/web/activity_pub/transmogrifier.ex +++ b/lib/pleroma/web/activity_pub/transmogrifier.ex @@ -1,5 +1,5 @@ # 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.Transmogrifier do @@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do A module to handle coding from internal to wire ActivityPub and back. """ alias Pleroma.Activity + alias Pleroma.FollowingRelationship alias Pleroma.Object alias Pleroma.Object.Containment alias Pleroma.Repo @@ -155,10 +156,11 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do when not is_nil(in_reply_to) do in_reply_to_id = prepare_in_reply_to(in_reply_to) object = Map.put(object, "inReplyToAtomUri", in_reply_to_id) + depth = (options[:depth] || 0) + 1 - if Federator.allowed_incoming_reply_depth?(options[:depth]) do + if Federator.allowed_thread_distance?(depth) do with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options), - %Activity{} = _ <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do + %Activity{} <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do object |> Map.put("inReplyTo", replied_object.data["id"]) |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id) @@ -227,7 +229,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "url", url["href"]) end - def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do + def fix_url(%{"type" => object_type, "url" => url} = object) + when object_type in ["Video", "Audio"] and is_list(url) do first_element = Enum.at(url, 0) link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end) @@ -311,7 +314,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options) when is_binary(reply_id) do - with true <- Federator.allowed_incoming_reply_depth?(options[:depth]), + with true <- Federator.allowed_thread_distance?(options[:depth]), {:ok, %{data: %{"type" => "Question"} = _} = _} <- get_obj_helper(reply_id, options) do Map.put(object, "type", "Answer") else @@ -386,7 +389,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def handle_incoming(%{"id" => nil}, _options), do: :error def handle_incoming(%{"id" => ""}, _options), do: :error # length of https:// = 8, should validate better, but good enough for now. - def handle_incoming(%{"id" => id}, _options) when not (is_binary(id) and length(id) > 8), + def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8, do: :error # TODO: validate those with a Ecto scheme @@ -396,7 +399,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Create", "object" => %{"type" => objtype} = object} = data, options ) - when objtype in ["Article", "Note", "Video", "Page", "Question", "Answer"] do + when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do actor = Containment.get_actor(data) data = @@ -405,8 +408,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do with nil <- Activity.get_create_by_object_ap_id(object["id"]), {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do - options = Keyword.put(options, :depth, (options[:depth] || 0) + 1) - object = fix_object(data["object"], options) + object = fix_object(object, options) params = %{ to: data["to"], @@ -423,13 +425,57 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do ]) } - ActivityPub.create(params) + with {:ok, created_activity} <- ActivityPub.create(params) do + reply_depth = (options[:depth] || 0) + 1 + + if Federator.allowed_thread_distance?(reply_depth) do + for reply_id <- replies(object) do + Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{ + "id" => reply_id, + "depth" => reply_depth + }) + end + end + + {:ok, created_activity} + end else %Activity{} = activity -> {:ok, activity} _e -> :error end end + def handle_incoming( + %{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data, + options + ) do + actor = Containment.get_actor(data) + + data = + Map.put(data, "actor", actor) + |> fix_addressing + + with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do + reply_depth = (options[:depth] || 0) + 1 + options = Keyword.put(options, :depth, reply_depth) + object = fix_object(object, options) + + params = %{ + to: data["to"], + object: object, + actor: user, + context: nil, + local: false, + published: data["published"], + additional: Map.take(data, ["cc", "id"]) + } + + ActivityPub.listen(params) + else + _e -> :error + end + end + def handle_incoming( %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data, _options @@ -444,7 +490,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {_, false} <- {:user_locked, User.locked?(followed)}, {_, {:ok, follower}} <- {:follow, User.follow(follower, followed)}, {_, {:ok, _}} <- - {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")} do + {:follow_state_update, Utils.update_follow_state_for_all(activity, "accept")}, + {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do ActivityPub.accept(%{ to: [follower.ap_id], actor: followed, @@ -454,6 +501,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do else {:user_blocked, true} -> {:ok, _} = Utils.update_follow_state_for_all(activity, "reject") + {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject") ActivityPub.reject(%{ to: [follower.ap_id], @@ -464,6 +512,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:follow, {:error, _}} -> {:ok, _} = Utils.update_follow_state_for_all(activity, "reject") + {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject") ActivityPub.reject(%{ to: [follower.ap_id], @@ -473,6 +522,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do }) {:user_locked, true} -> + {:ok, _relationship} = FollowingRelationship.update(follower, followed, "pending") :noop end @@ -484,7 +534,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end def handle_incoming( - %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => _id} = data, + %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data, _options ) do with actor <- Containment.get_actor(data), @@ -492,13 +542,14 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:ok, follow_activity} <- get_follow_activity(follow_object, followed), {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"), %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]), - {:ok, _follower} = User.follow(follower, followed) do + {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do ActivityPub.accept(%{ to: follow_activity.data["to"], type: "Accept", actor: followed, object: follow_activity.data["id"], - local: false + local: false, + activity_id: id }) else _e -> :error @@ -506,7 +557,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end def handle_incoming( - %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => _id} = data, + %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data, _options ) do with actor <- Containment.get_actor(data), @@ -514,22 +565,50 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:ok, follow_activity} <- get_follow_activity(follow_object, followed), {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"), %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]), + {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "reject"), {:ok, activity} <- ActivityPub.reject(%{ to: follow_activity.data["to"], type: "Reject", actor: followed, object: follow_activity.data["id"], - local: false + local: false, + activity_id: id }) do - User.unfollow(follower, followed) - {:ok, activity} else _e -> :error end end + @misskey_reactions %{ + "like" => "👍", + "love" => "❤️", + "laugh" => "😆", + "hmm" => "🤔", + "surprise" => "😮", + "congrats" => "🎉", + "angry" => "💢", + "confused" => "😥", + "rip" => "😇", + "pudding" => "🍮", + "star" => "⭐" + } + + @doc "Rewrite misskey likes into EmojiReacts" + def handle_incoming( + %{ + "type" => "Like", + "_misskey_reaction" => reaction + } = data, + options + ) do + data + |> Map.put("type", "EmojiReact") + |> Map.put("content", @misskey_reactions[reaction] || reaction) + |> handle_incoming(options) + end + def handle_incoming( %{"type" => "Like", "object" => object_id, "actor" => _actor, "id" => id} = data, _options @@ -545,12 +624,33 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end def handle_incoming( - %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data, + %{ + "type" => "EmojiReact", + "object" => object_id, + "actor" => _actor, + "id" => id, + "content" => emoji + } = data, _options ) do with actor <- Containment.get_actor(data), {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), {:ok, object} <- get_obj_helper(object_id), + {:ok, activity, _object} <- + ActivityPub.react_with_emoji(actor, object, emoji, activity_id: id, local: false) do + {:ok, activity} + else + _e -> :error + end + end + + def handle_incoming( + %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data, + _options + ) do + with actor <- Containment.get_actor(data), + {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), + {:ok, object} <- get_embedded_obj_helper(object_id, actor), public <- Visibility.is_public?(data), {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do {:ok, activity} @@ -564,26 +664,17 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do data, _options ) - when object_type in ["Person", "Application", "Service", "Organization"] do + when object_type in [ + "Person", + "Application", + "Service", + "Organization" + ] do with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object) - banner = new_user_data[:info][:banner] - locked = new_user_data[:info][:locked] || false - attachment = get_in(new_user_data, [:info, :source_data, "attachment"]) || [] - - fields = - attachment - |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end) - |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end) - - update_data = - new_user_data - |> Map.take([:name, :bio, :avatar]) - |> Map.put(:info, %{banner: banner, locked: locked, fields: fields}) - actor - |> User.upgrade_changeset(update_data, true) + |> User.upgrade_changeset(new_user_data, true) |> User.update_and_set_cache() ActivityPub.update(%{ @@ -591,7 +682,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do to: data["to"] || [], cc: data["cc"] || [], object: object, - actor: actor_id + actor: actor_id, + activity_id: data["id"] }) else e -> @@ -606,7 +698,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do # an error or a tombstone. This would allow us to verify that a deletion actually took # place. def handle_incoming( - %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => _id} = data, + %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => id} = data, _options ) do object_id = Utils.get_ap_id(object_id) @@ -615,7 +707,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), {:ok, object} <- get_obj_helper(object_id), :ok <- Containment.contain_origin(actor.ap_id, object.data), - {:ok, activity} <- ActivityPub.delete(object, false) do + {:ok, activity} <- + ActivityPub.delete(object, local: false, activity_id: id, actor: actor.ap_id) do {:ok, activity} else nil -> @@ -670,6 +763,28 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end end + def handle_incoming( + %{ + "type" => "Undo", + "object" => %{"type" => "EmojiReact", "id" => reaction_activity_id}, + "actor" => _actor, + "id" => id + } = data, + _options + ) do + with actor <- Containment.get_actor(data), + {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), + {:ok, activity, _} <- + ActivityPub.unreact_with_emoji(actor, reaction_activity_id, + activity_id: id, + local: false + ) do + {:ok, activity} + else + _e -> :error + end + end + def handle_incoming( %{ "type" => "Undo", @@ -723,6 +838,42 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end end + # For Undos that don't have the complete object attached, try to find it in our database. + def handle_incoming( + %{ + "type" => "Undo", + "object" => object + } = activity, + options + ) + when is_binary(object) do + with %Activity{data: data} <- Activity.get_by_ap_id(object) do + activity + |> Map.put("object", data) + |> handle_incoming(options) + else + _e -> :error + end + end + + def handle_incoming( + %{ + "type" => "Move", + "actor" => origin_actor, + "object" => origin_actor, + "target" => target_actor + }, + _options + ) do + with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor), + {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor), + true <- origin_actor in target_user.also_known_as do + ActivityPub.move(origin_user, target_user, false) + else + _e -> :error + end + end + def handle_incoming(_, _), do: :error @spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil @@ -733,6 +884,29 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end end + @spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil + def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{ + ap_id: ap_id + }) + when attributed_to == ap_id do + with {:ok, activity} <- + handle_incoming(%{ + "type" => "Create", + "to" => data["to"], + "cc" => data["cc"], + "actor" => attributed_to, + "object" => data + }) do + {:ok, Object.normalize(activity)} + else + _ -> get_obj_helper(object_id) + end + end + + def get_embedded_obj_helper(object_id, _) do + get_obj_helper(object_id) + end + def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do with false <- String.starts_with?(in_reply_to, "http"), {:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do @@ -744,6 +918,50 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def set_reply_to_uri(obj), do: obj + @doc """ + Serialized Mastodon-compatible `replies` collection containing _self-replies_. + Based on Mastodon's ActivityPub::NoteSerializer#replies. + """ + def set_replies(obj_data) do + replies_uris = + with limit when limit > 0 <- + Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0), + %Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do + object + |> Object.self_replies() + |> select([o], fragment("?->>'id'", o.data)) + |> limit(^limit) + |> Repo.all() + else + _ -> [] + end + + set_replies(obj_data, replies_uris) + end + + defp set_replies(obj, []) do + obj + end + + defp set_replies(obj, replies_uris) do + replies_collection = %{ + "type" => "Collection", + "items" => replies_uris + } + + Map.merge(obj, %{"replies" => replies_collection}) + end + + def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do + items + end + + def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do + items + end + + def replies(_), do: [] + # Prepares the object of an outgoing create activity. def prepare_object(object) do object @@ -755,6 +973,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> prepare_attachments |> set_conversation |> set_reply_to_uri + |> set_replies |> strip_internal_fields |> strip_internal_tags |> set_type @@ -765,7 +984,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do # internal -> Mastodon # """ - def prepare_outgoing(%{"type" => "Create", "object" => object_id} = data) do + def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data) + when activity_type in ["Create", "Listen"] do object = object_id |> Object.normalize() @@ -781,6 +1001,27 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:ok, data} end + def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do + object = + object_id + |> Object.normalize() + + data = + if Visibility.is_private?(object) && object.data["actor"] == ap_id do + data |> Map.put("object", object |> Map.get(:data) |> prepare_object) + else + data |> maybe_fix_object_url + end + + data = + data + |> strip_internal_fields + |> Map.merge(Utils.make_json_ld_header()) + |> Map.delete("bcc") + + {:ok, data} + end + # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs, # because of course it does. def prepare_outgoing(%{"type" => "Accept"} = data) do @@ -868,13 +1109,11 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end def add_mention_tags(object) do - mentions = - object - |> Utils.get_notified_from_object() - |> Enum.map(&build_mention_tag/1) + {enabled_receivers, disabled_receivers} = Utils.get_notified_from_object(object) + potential_receivers = enabled_receivers ++ disabled_receivers + mentions = Enum.map(potential_receivers, &build_mention_tag/1) tags = object["tag"] || [] - Map.put(object, "tag", tags ++ mentions) end @@ -882,7 +1121,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"} end - def take_emoji_tags(%User{info: %{emoji: emoji} = _user_info} = _user) do + def take_emoji_tags(%User{emoji: emoji}) do emoji |> Enum.flat_map(&Map.to_list/1) |> Enum.map(&build_emoji_tag/1) @@ -940,7 +1179,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "attachment", attachments) end - defp strip_internal_fields(object) do + def strip_internal_fields(object) do object |> Map.drop(Pleroma.Constants.object_internal_fields()) end @@ -957,45 +1196,22 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do # we pass a fake user so that the followers collection is stripped away old_follower_address = User.ap_followers(%User{nickname: user.nickname}) - q = - from( - u in User, - where: ^old_follower_address in u.following, - update: [ - set: [ - following: - fragment( - "array_replace(?,?,?)", - u.following, - ^old_follower_address, - ^user.follower_address - ) - ] + from( + a in Activity, + where: ^old_follower_address in a.recipients, + update: [ + set: [ + recipients: + fragment( + "array_replace(?,?,?)", + a.recipients, + ^old_follower_address, + ^user.follower_address + ) ] - ) - - Repo.update_all(q, []) - - maybe_retire_websub(user.ap_id) - - q = - from( - a in Activity, - where: ^old_follower_address in a.recipients, - update: [ - set: [ - recipients: - fragment( - "array_replace(?,?,?)", - a.recipients, - ^old_follower_address, - ^user.follower_address - ) - ] - ] - ) - - Repo.update_all(q, []) + ] + ) + |> Repo.update_all([]) end def upgrade_user_from_ap_id(ap_id) do @@ -1020,19 +1236,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> User.update_and_set_cache() end - def maybe_retire_websub(ap_id) do - # some sanity checks - if is_binary(ap_id) && String.length(ap_id) > 8 do - q = - from( - ws in Pleroma.Web.Websub.WebsubClientSubscription, - where: fragment("? like ?", ws.topic, ^"#{ap_id}%") - ) - - Repo.delete_all(q) - end - end - def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do Map.put(data, "url", url["href"]) end