diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub')
44 files changed, 2289 insertions, 659 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index 9a0a3522a..d752f4f04 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -1,11 +1,12 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.Activity alias Pleroma.Activity.Ir.Topics alias Pleroma.Config + alias Pleroma.Constants alias Pleroma.Conversation alias Pleroma.Conversation.Participation alias Pleroma.Notification @@ -69,7 +70,7 @@ 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), - false <- user.info.deactivated do + false <- user.deactivated do true else _e -> false @@ -117,13 +118,30 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def increase_poll_votes_if_vote(%{ "object" => %{"inReplyTo" => reply_ap_id, "name" => name}, - "type" => "Create" + "type" => "Create", + "actor" => actor }) do - Object.increase_vote_count(reply_ap_id, name) + Object.increase_vote_count(reply_ap_id, name, actor) end def increase_poll_votes_if_vote(_create_data), do: :noop + @spec persist(map(), keyword()) :: {:ok, Activity.t() | Object.t()} + def persist(object, meta) do + with local <- Keyword.fetch!(meta, :local), + {recipients, _, _} <- get_recipients(object), + {:ok, activity} <- + Repo.insert(%Activity{ + data: object, + local: local, + recipients: recipients, + actor: object["actor"] + }) do + {:ok, activity, meta} + end + end + + @spec insert(map(), boolean(), boolean(), boolean()) :: {:ok, Activity.t()} | {:error, any()} def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when is_map(map) do with nil <- Activity.normalize(map), map <- lazy_put_activity_defaults(map, fake), @@ -152,12 +170,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do BackgroundWorker.enqueue("fetch_data_for_activity", %{"activity_id" => activity.id}) - Notification.create_notifications(activity) - - conversation = create_or_bump_conversation(activity, map["actor"]) - participations = get_participations(conversation) - stream_out(activity) - stream_out_participations(participations) {:ok, activity} else %Activity{} = activity -> @@ -180,6 +192,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end + def notify_and_stream(activity) do + Notification.create_notifications(activity) + + conversation = create_or_bump_conversation(activity, activity.actor) + participations = get_participations(conversation) + stream_out(activity) + stream_out_participations(participations) + end + defp create_or_bump_conversation(activity, actor) do with {:ok, conversation} <- Conversation.create_or_bump_for(activity), %User{} = user <- User.get_cached_by_ap_id(actor), @@ -231,12 +252,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do :noop end - def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do + @spec create(map(), boolean()) :: {:ok, Activity.t()} | {:error, any()} + def create(params, fake \\ false) do + with {:ok, result} <- Repo.transaction(fn -> do_create(params, fake) end) do + result + end + end + + defp do_create(%{to: to, actor: actor, context: context, object: object} = params, fake) do additional = params[:additional] || %{} # only accept false as false value local = !(params[:local] == false) published = params[:published] - quick_insert? = Pleroma.Config.get([:env]) == :benchmark + quick_insert? = Config.get([:env]) == :benchmark with create_data <- make_create_data( @@ -248,9 +276,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do _ <- increase_replies_count_if_reply(create_data), _ <- increase_poll_votes_if_vote(create_data), {:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity}, - # Changing note count prior to enqueuing federation task in order to avoid - # race conditions on updating user.info {:ok, _actor} <- increase_note_count_if_public(actor, activity), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} else @@ -261,10 +288,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do {:ok, activity} {:error, message} -> - {:error, message} + Repo.rollback(message) end end + @spec listen(map()) :: {:ok, Activity.t()} | {:error, any()} def listen(%{to: to, actor: actor, context: context, object: object} = params) do additional = params[:additional] || %{} # only accept false as false value @@ -277,22 +305,23 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do additional ), {:ok, activity} <- insert(listen_data, local), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} - else - {:error, message} -> - {:error, message} end end + @spec accept(map()) :: {:ok, Activity.t()} | {:error, any()} def accept(params) do accept_or_reject("Accept", params) end + @spec reject(map()) :: {:ok, Activity.t()} | {:error, any()} def reject(params) do accept_or_reject("Reject", params) end + @spec accept_or_reject(String.t(), map()) :: {:ok, Activity.t()} | {:error, any()} def accept_or_reject(type, %{to: to, actor: actor, object: object} = params) do local = Map.get(params, :local, true) activity_id = Map.get(params, :activity_id, nil) @@ -301,11 +330,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do %{"to" => to, "type" => type, "actor" => actor.ap_id, "object" => object} |> Utils.maybe_put("id", activity_id), {:ok, activity} <- insert(data, local), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} end end + @spec update(map()) :: {:ok, Activity.t()} | {:error, any()} def update(%{to: to, cc: cc, actor: actor, object: object} = params) do local = !(params[:local] == false) activity_id = params[:activity_id] @@ -319,43 +350,14 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do }, data <- Utils.maybe_put(data, "id", activity_id), {:ok, activity} <- insert(data, local), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} end end - # TODO: This is weird, maybe we shouldn't check here if we can make the activity. - def like( - %User{ap_id: ap_id} = user, - %Object{data: %{"id" => _}} = object, - activity_id \\ nil, - local \\ true - ) do - with nil <- get_existing_like(ap_id, object), - like_data <- make_like_data(user, object, activity_id), - {:ok, activity} <- insert(like_data, local), - {:ok, object} <- add_like_to_object(activity, object), - :ok <- maybe_federate(activity) do - {:ok, activity, object} - else - %Activity{} = activity -> {:ok, activity, object} - error -> {:error, error} - end - end - - def unlike(%User{} = actor, %Object{} = object, activity_id \\ nil, local \\ true) do - with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object), - unlike_data <- make_unlike_data(actor, like_activity, activity_id), - {:ok, unlike_activity} <- insert(unlike_data, local), - {:ok, _activity} <- Repo.delete(like_activity), - {:ok, object} <- remove_like_from_object(like_activity, object), - :ok <- maybe_federate(unlike_activity) do - {:ok, unlike_activity, like_activity, object} - else - _e -> {:ok, object} - end - end - + @spec announce(User.t(), Object.t(), String.t() | nil, boolean(), boolean()) :: + {:ok, Activity.t(), Object.t()} | {:error, any()} def announce( %User{ap_id: _} = user, %Object{data: %{"id" => _}} = object, @@ -363,99 +365,80 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do local \\ true, public \\ true ) do + with {:ok, result} <- + Repo.transaction(fn -> do_announce(user, object, activity_id, local, public) end) do + result + end + end + + defp do_announce(user, object, activity_id, local, public) do with true <- is_announceable?(object, user, public), + object <- Object.get_by_id(object.id), announce_data <- make_announce_data(user, object, activity_id, public), {:ok, activity} <- insert(announce_data, local), {:ok, object} <- add_announce_to_object(activity, object), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity, object} else - error -> {:error, error} + false -> {:error, false} + {:error, error} -> Repo.rollback(error) end end - def unannounce( - %User{} = actor, - %Object{} = object, - activity_id \\ nil, - local \\ true - ) do - with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object), - unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id), - {:ok, unannounce_activity} <- insert(unannounce_data, local), - :ok <- maybe_federate(unannounce_activity), - {:ok, _activity} <- Repo.delete(announce_activity), - {:ok, object} <- remove_announce_from_object(announce_activity, object) do - {:ok, unannounce_activity, object} - else - _e -> {:ok, object} + @spec follow(User.t(), User.t(), String.t() | nil, boolean()) :: + {:ok, Activity.t()} | {:error, any()} + def follow(follower, followed, activity_id \\ nil, local \\ true) do + with {:ok, result} <- + Repo.transaction(fn -> do_follow(follower, followed, activity_id, local) end) do + result end end - def follow(follower, followed, activity_id \\ nil, local \\ true) do + defp do_follow(follower, followed, activity_id, local) do with data <- make_follow_data(follower, followed, activity_id), {:ok, activity} <- insert(data, local), - :ok <- maybe_federate(activity), - _ <- User.set_follow_state_cache(follower.ap_id, followed.ap_id, activity.data["state"]) do + _ <- notify_and_stream(activity), + :ok <- maybe_federate(activity) do {:ok, activity} + else + {:error, error} -> Repo.rollback(error) end end + @spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) :: + {:ok, Activity.t()} | nil | {:error, any()} def unfollow(follower, followed, activity_id \\ nil, local \\ true) do + with {:ok, result} <- + Repo.transaction(fn -> do_unfollow(follower, followed, activity_id, local) end) do + result + end + end + + defp do_unfollow(follower, followed, activity_id, local) do with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed), {:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"), unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id), {:ok, activity} <- insert(unfollow_data, local), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} + else + nil -> nil + {:error, error} -> Repo.rollback(error) end end - def delete(%User{ap_id: ap_id, follower_address: follower_address} = user) do - with data <- %{ - "to" => [follower_address], - "type" => "Delete", - "actor" => ap_id, - "object" => %{"type" => "Person", "id" => ap_id} - }, - {:ok, activity} <- insert(data, true, true, true), - :ok <- maybe_federate(activity) do - {:ok, user} - end - end - - def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, options \\ []) do - local = Keyword.get(options, :local, true) - activity_id = Keyword.get(options, :activity_id, nil) - actor = Keyword.get(options, :actor, actor) - - user = User.get_cached_by_ap_id(actor) - to = (object.data["to"] || []) ++ (object.data["cc"] || []) - - with {:ok, object, activity} <- Object.delete(object), - data <- - %{ - "type" => "Delete", - "actor" => actor, - "object" => id, - "to" => to, - "deleted_activity_id" => activity && activity.id - } - |> maybe_put("id", activity_id), - {:ok, activity} <- insert(data, local, false), - stream_out_participations(object, user), - _ <- decrease_replies_count_if_reply(object), - # Changing note count prior to enqueuing federation task in order to avoid - # race conditions on updating user.info - {:ok, _actor} <- decrease_note_count_if_public(user, object), - :ok <- maybe_federate(activity) do - {:ok, activity} + @spec block(User.t(), User.t(), String.t() | nil, boolean()) :: + {:ok, Activity.t()} | {:error, any()} + def block(blocker, blocked, activity_id \\ nil, local \\ true) do + with {:ok, result} <- + Repo.transaction(fn -> do_block(blocker, blocked, activity_id, local) end) do + result end end - @spec block(User.t(), User.t(), String.t() | nil, boolean) :: {:ok, Activity.t() | nil} - def block(blocker, blocked, activity_id \\ nil, local \\ true) do - outgoing_blocks = Config.get([:activitypub, :outgoing_blocks]) + defp do_block(blocker, blocked, activity_id, local) do unfollow_blocked = Config.get([:activitypub, :unfollow_blocked]) if unfollow_blocked do @@ -463,26 +446,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do if follow_activity, do: unfollow(blocker, blocked, nil, local) end - with true <- outgoing_blocks, - block_data <- make_block_data(blocker, blocked, activity_id), + with block_data <- make_block_data(blocker, blocked, activity_id), {:ok, activity} <- insert(block_data, local), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} else - _e -> {:ok, nil} - end - end - - def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do - with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked), - unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id), - {:ok, activity} <- insert(unblock_data, local), - :ok <- maybe_federate(activity) do - {:ok, activity} + {:error, error} -> Repo.rollback(error) end end - @spec flag(map()) :: {:ok, Activity.t()} | any + @spec flag(map()) :: {:ok, Activity.t()} | {:error, any()} def flag( %{ actor: actor, @@ -507,8 +481,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do with flag_data <- make_flag_data(params, additional), {:ok, activity} <- insert(flag_data, local), - :ok <- maybe_federate(activity) do - Enum.each(User.all_superusers(), fn superuser -> + {:ok, stripped_activity} <- strip_report_status_data(activity), + _ <- notify_and_stream(activity), + :ok <- maybe_federate(stripped_activity) do + User.all_superusers() + |> Enum.filter(fn user -> not is_nil(user.email) end) + |> Enum.each(fn superuser -> superuser |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content) |> Pleroma.Emails.Mailer.deliver_async() @@ -518,11 +496,39 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - defp fetch_activities_for_context_query(context, opts) do - public = [Pleroma.Constants.as_public()] + @spec move(User.t(), User.t(), boolean()) :: {:ok, Activity.t()} | {:error, any()} + def move(%User{} = origin, %User{} = target, local \\ true) do + params = %{ + "type" => "Move", + "actor" => origin.ap_id, + "object" => origin.ap_id, + "target" => target.ap_id + } + + with true <- origin.ap_id in target.also_known_as, + {:ok, activity} <- insert(params, local), + _ <- notify_and_stream(activity) do + maybe_federate(activity) + + BackgroundWorker.enqueue("move_following", %{ + "origin_id" => origin.id, + "target_id" => target.id + }) + + {:ok, activity} + else + false -> {:error, "Target account must have the origin in `alsoKnownAs`"} + err -> err + end + end + + def fetch_activities_for_context_query(context, opts) do + public = [Constants.as_public()] recipients = - if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public + if opts["user"], + do: [opts["user"].ap_id | User.following(opts["user"])] ++ public, + else: public from(activity in Activity) |> maybe_preload_objects(opts) @@ -562,14 +568,14 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Repo.one() end + @spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()] def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do opts = Map.drop(opts, ["user"]) - [Pleroma.Constants.as_public()] + [Constants.as_public()] |> fetch_activities_query(opts) |> restrict_unlisted() |> Pagination.fetch_paginated(opts, pagination) - |> Enum.reverse() end @valid_visibilities ~w[direct unlisted public private] @@ -648,7 +654,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end defp exclude_visibility(query, %{"exclude_visibilities" => visibility}) - when visibility not in @valid_visibilities do + when visibility not in [nil | @valid_visibilities] do Logger.error("Could not exclude visibility to #{visibility}") query end @@ -660,7 +666,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_thread_visibility( query, - %{"user" => %User{info: %{skip_thread_containment: true}}}, + %{"user" => %User{skip_thread_containment: true}}, _ ), do: query @@ -679,7 +685,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do params |> Map.put("user", reading_user) |> Map.put("actor_id", user.ap_id) - |> Map.put("whole_db", true) recipients = user_activities_recipients(%{ @@ -697,8 +702,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Map.put("type", ["Create", "Announce"]) |> Map.put("user", reading_user) |> Map.put("actor_id", user.ap_id) - |> Map.put("whole_db", true) - |> Map.put("pinned_activity_ids", user.info.pinned_activities) + |> Map.put("pinned_activity_ids", user.pinned_activities) + + params = + if User.blocks?(reading_user, user) do + params + else + params + |> Map.put("blocking_user", reading_user) + |> Map.put("muting_user", reading_user) + end recipients = user_activities_recipients(%{ @@ -710,15 +723,30 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Enum.reverse() end + def fetch_statuses(reading_user, params) do + params = + params + |> Map.put("type", ["Create", "Announce"]) + + recipients = + user_activities_recipients(%{ + "godmode" => params["godmode"], + "reading_user" => reading_user + }) + + fetch_activities(recipients, params, :offset) + |> Enum.reverse() + end + defp user_activities_recipients(%{"godmode" => true}) do [] end defp user_activities_recipients(%{"reading_user" => reading_user}) do if reading_user do - [Pleroma.Constants.as_public()] ++ [reading_user.ap_id | reading_user.following] + [Constants.as_public()] ++ [reading_user.ap_id | User.following(reading_user)] else - [Pleroma.Constants.as_public()] + [Constants.as_public()] end end @@ -833,7 +861,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do raise "Can't use the child object without preloading!" end - defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do + defp restrict_media(query, %{"only_media" => val}) when val in [true, "true", "1"] do from( [_activity, object] in query, where: fragment("not (?)->'attachment' = (?)", object.data, ^[]) @@ -842,16 +870,51 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_media(query, _), do: query - defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do + defp restrict_replies(query, %{"exclude_replies" => val}) when val in [true, "true", "1"] do from( [_activity, object] in query, where: fragment("?->>'inReplyTo' is null", object.data) ) end + defp restrict_replies(query, %{ + "reply_filtering_user" => user, + "reply_visibility" => "self" + }) do + from( + [activity, object] in query, + where: + fragment( + "?->>'inReplyTo' is null OR ? = ANY(?)", + object.data, + ^user.ap_id, + activity.recipients + ) + ) + end + + defp restrict_replies(query, %{ + "reply_filtering_user" => user, + "reply_visibility" => "following" + }) do + from( + [activity, object] in query, + where: + fragment( + "?->>'inReplyTo' is null OR ? && array_remove(?, ?) OR ? = ?", + object.data, + ^[user.ap_id | User.get_cached_user_friends_ap_ids(user)], + activity.recipients, + activity.actor, + activity.actor, + ^user.ap_id + ) + ) + end + defp restrict_replies(query, _), do: query - defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do + defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val in [true, "true", "1"] do from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data)) end @@ -859,8 +922,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query - defp restrict_muted(query, %{"muting_user" => %User{info: info}} = opts) do - mutes = info.mutes + defp restrict_muted(query, %{"muting_user" => %User{} = user} = opts) do + mutes = opts["muted_users_ap_ids"] || User.muted_users_ap_ids(user) query = from([activity] in query, @@ -877,26 +940,42 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_muted(query, _), do: query - defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do - blocks = info.blocks || [] - domain_blocks = info.domain_blocks || [] + defp restrict_blocked(query, %{"blocking_user" => %User{} = user} = opts) do + blocked_ap_ids = opts["blocked_users_ap_ids"] || User.blocked_users_ap_ids(user) + domain_blocks = user.domain_blocks || [] + + following_ap_ids = User.get_friends_ap_ids(user) query = if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query) from( [activity, object: o] in query, - where: fragment("not (? = ANY(?))", activity.actor, ^blocks), - where: fragment("not (? && ?)", activity.recipients, ^blocks), + where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids), + where: fragment("not (? && ?)", activity.recipients, ^blocked_ap_ids), where: fragment( "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)", activity.data, activity.data, - ^blocks + ^blocked_ap_ids ), - where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks), - where: fragment("not (split_part(?->>'actor', '/', 3) = ANY(?))", o.data, ^domain_blocks) + where: + fragment( + "(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)", + activity.actor, + ^domain_blocks, + activity.actor, + ^following_ap_ids + ), + where: + fragment( + "(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)", + o.data, + ^domain_blocks, + o.data, + ^following_ap_ids + ) ) end @@ -909,19 +988,24 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do fragment( "not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)", activity.data, - ^[Pleroma.Constants.as_public()] + ^[Constants.as_public()] ) ) end - defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do + # TODO: when all endpoints migrated to OpenAPI compare `pinned` with `true` (boolean) only, + # the same for `restrict_media/2`, `restrict_replies/2`, 'restrict_reblogs/2' + # and `restrict_muted/2` + + defp restrict_pinned(query, %{"pinned" => pinned, "pinned_activity_ids" => ids}) + when pinned in [true, "true", "1"] do from(activity in query, where: activity.id in ^ids) end defp restrict_pinned(query, _), do: query - defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do - muted_reblogs = info.muted_reblogs || [] + defp restrict_muted_reblogs(query, %{"muting_user" => %User{} = user} = opts) do + muted_reblogs = opts["reblog_muted_users_ap_ids"] || User.reblog_muted_users_ap_ids(user) from( activity in query, @@ -937,6 +1021,20 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_muted_reblogs(query, _), do: query + defp restrict_instance(query, %{"instance" => instance}) do + users = + from( + u in User, + select: u.ap_id, + where: fragment("? LIKE ?", u.nickname, ^"%@#{instance}") + ) + |> Repo.all() + + from(activity in query, where: activity.actor in ^users) + end + + defp restrict_instance(query, _), do: query + defp exclude_poll_votes(query, %{"include_poll_votes" => true}), do: query defp exclude_poll_votes(query, _) do @@ -969,6 +1067,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Activity.with_preloaded_bookmark(opts["user"]) end + defp maybe_preload_report_notes(query, %{"preload_report_notes" => true}) do + query + |> Activity.with_preloaded_report_notes() + end + + defp maybe_preload_report_notes(query, _), do: query + defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query defp maybe_set_thread_muted_field(query, opts) do @@ -988,7 +1093,33 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp maybe_order(query, _), do: query + defp fetch_activities_query_ap_ids_ops(opts) do + source_user = opts["muting_user"] + ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: [] + + ap_id_relationships = + ap_id_relationships ++ + if opts["blocking_user"] && opts["blocking_user"] == source_user do + [:block] + else + [] + end + + preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships) + + restrict_blocked_opts = Map.merge(%{"blocked_users_ap_ids" => preloaded_ap_ids[:block]}, opts) + restrict_muted_opts = Map.merge(%{"muted_users_ap_ids" => preloaded_ap_ids[:mute]}, opts) + + restrict_muted_reblogs_opts = + Map.merge(%{"reblog_muted_users_ap_ids" => preloaded_ap_ids[:reblog_mute]}, opts) + + {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} + end + def fetch_activities_query(recipients, opts \\ %{}) do + {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} = + fetch_activities_query_ap_ids_ops(opts) + config = %{ skip_thread_containment: Config.get([:instance, :skip_thread_containment]) } @@ -996,9 +1127,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do Activity |> maybe_preload_objects(opts) |> maybe_preload_bookmarks(opts) + |> maybe_preload_report_notes(opts) |> maybe_set_thread_muted_field(opts) |> maybe_order(opts) |> restrict_recipients(recipients, opts["user"]) + |> restrict_replies(opts) |> restrict_tag(opts) |> restrict_tag_reject(opts) |> restrict_tag_all(opts) @@ -1008,15 +1141,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> restrict_type(opts) |> restrict_state(opts) |> restrict_favorited_by(opts) - |> restrict_blocked(opts) - |> restrict_muted(opts) + |> restrict_blocked(restrict_blocked_opts) + |> restrict_muted(restrict_muted_opts) |> restrict_media(opts) |> restrict_visibility(opts) |> restrict_thread_visibility(opts, config) - |> restrict_replies(opts) |> restrict_reblogs(opts) |> restrict_pinned(opts) - |> restrict_muted_reblogs(opts) + |> restrict_muted_reblogs(restrict_muted_reblogs_opts) + |> restrict_instance(opts) |> Activity.restrict_deactivated_users() |> exclude_poll_votes(opts) |> exclude_visibility(opts) @@ -1031,6 +1164,25 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> maybe_update_cc(list_memberships, opts["user"]) end + @doc """ + Fetch favorites activities of user with order by sort adds to favorites + """ + @spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t()) + def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do + user.ap_id + |> Activity.Queries.by_actor() + |> Activity.Queries.by_type("Like") + |> Activity.with_joined_object() + |> Object.with_joined_activity() + |> select([_like, object, activity], %{activity | object: object}) + |> order_by([like, _, _], desc: like.id) + |> Pagination.fetch_paginated( + Map.merge(params, %{"skip_order" => true}), + pagination, + :object_activity + ) + end + defp maybe_update_cc(activities, list_memberships, %User{ap_id: user_ap_id}) when is_list(list_memberships) and length(list_memberships) > 0 do Enum.map(activities, fn @@ -1053,7 +1205,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do where: fragment("? && ?", activity.recipients, ^recipients) or (fragment("? && ?", activity.recipients, ^recipients_with_public) and - ^Pleroma.Constants.as_public() in activity.recipients) + ^Constants.as_public() in activity.recipients) ) end @@ -1069,6 +1221,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Enum.reverse() end + @spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()} def upload(file, opts \\ []) do with {:ok, data} <- Upload.store(file, opts) do obj_data = @@ -1082,6 +1235,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end + @spec get_actor_url(any()) :: binary() | nil + defp get_actor_url(url) when is_binary(url), do: url + defp get_actor_url(%{"href" => href}) when is_binary(href), do: href + + defp get_actor_url(url) when is_list(url) do + url + |> List.first() + |> get_actor_url() + end + + defp get_actor_url(_url), do: nil + defp object_to_user_data(data) do avatar = data["icon"]["url"] && @@ -1103,27 +1268,57 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end) |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end) + emojis = + data + |> Map.get("tag", []) + |> Enum.filter(fn + %{"type" => "Emoji"} -> true + _ -> false + end) + |> Enum.reduce(%{}, fn %{"icon" => %{"url" => url}, "name" => name}, acc -> + Map.put(acc, String.trim(name, ":"), url) + end) + locked = data["manuallyApprovesFollowers"] || false data = Transmogrifier.maybe_fix_user_object(data) discoverable = data["discoverable"] || false invisible = data["invisible"] || false + actor_type = data["type"] || "Person" + + public_key = + if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do + data["publicKey"]["publicKeyPem"] + else + nil + end + + shared_inbox = + if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do + data["endpoints"]["sharedInbox"] + else + nil + end user_data = %{ ap_id: data["id"], - info: %{ - ap_enabled: true, - source_data: data, - banner: banner, - fields: fields, - locked: locked, - discoverable: discoverable, - invisible: invisible - }, + uri: get_actor_url(data["url"]), + ap_enabled: true, + banner: banner, + fields: fields, + emoji: emojis, + locked: locked, + discoverable: discoverable, + invisible: invisible, avatar: avatar, name: data["name"], follower_address: data["followers"], following_address: data["following"], - bio: data["summary"] + bio: data["summary"], + actor_type: actor_type, + also_known_as: Map.get(data, "alsoKnownAs", []), + public_key: public_key, + inbox: data["inbox"], + shared_inbox: shared_inbox } # nickname can be nil because of virtual actors @@ -1144,68 +1339,74 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def fetch_follow_information_for_user(user) do with {:ok, following_data} <- Fetcher.fetch_and_contain_remote_object_from_id(user.following_address), - following_count when is_integer(following_count) <- following_data["totalItems"], {:ok, hide_follows} <- collection_private(following_data), {:ok, followers_data} <- Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address), - followers_count when is_integer(followers_count) <- followers_data["totalItems"], {:ok, hide_followers} <- collection_private(followers_data) do {:ok, %{ hide_follows: hide_follows, - follower_count: followers_count, - following_count: following_count, + follower_count: normalize_counter(followers_data["totalItems"]), + following_count: normalize_counter(following_data["totalItems"]), hide_followers: hide_followers }} else - {:error, _} = e -> - e - - e -> - {:error, e} + {:error, _} = e -> e + e -> {:error, e} end end - defp maybe_update_follow_information(data) do - with {:enabled, true} <- - {:enabled, Pleroma.Config.get([:instance, :external_user_synchronization])}, - {:ok, info} <- fetch_follow_information_for_user(data) do - info = Map.merge(data.info, info) - Map.put(data, :info, info) + defp normalize_counter(counter) when is_integer(counter), do: counter + defp normalize_counter(_), do: 0 + + def maybe_update_follow_information(user_data) do + with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])}, + {_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]}, + {_, true} <- + {:collections_available, + !!(user_data[:following_address] && user_data[:follower_address])}, + {:ok, info} <- + fetch_follow_information_for_user(user_data) do + info = Map.merge(user_data[:info] || %{}, info) + + user_data + |> Map.put(:info, info) else + {:user_type_check, false} -> + user_data + + {:collections_available, false} -> + user_data + {:enabled, false} -> - data + user_data e -> Logger.error( - "Follower/Following counter update for #{data.ap_id} failed.\n" <> inspect(e) + "Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e) ) - data + user_data end end - defp collection_private(data) do - if is_map(data["first"]) and - data["first"]["type"] in ["CollectionPage", "OrderedCollectionPage"] do + defp collection_private(%{"first" => %{"type" => type}}) + when type in ["CollectionPage", "OrderedCollectionPage"], + do: {:ok, false} + + defp collection_private(%{"first" => first}) do + with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <- + Fetcher.fetch_and_contain_remote_object_from_id(first) do {:ok, false} else - with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <- - Fetcher.fetch_and_contain_remote_object_from_id(data["first"]) do - {:ok, false} - else - {:error, {:ok, %{status: code}}} when code in [401, 403] -> - {:ok, true} - - {:error, _} = e -> - e - - e -> - {:error, e} - end + {:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true} + {:error, _} = e -> e + e -> {:error, e} end end + defp collection_private(_data), do: {:ok, true} + def user_data_from_user_object(data) do with {:ok, data} <- MRF.filter(data), {:ok, data} <- object_to_user_data(data) do @@ -1221,6 +1422,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do data <- maybe_update_follow_information(data) do {:ok, data} else + {:error, "Object has been deleted"} = e -> + Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}") + {:error, e} + e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}") {:error, e} @@ -1228,11 +1433,22 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end def make_user_from_ap_id(ap_id) do - if _user = User.get_cached_by_ap_id(ap_id) do + user = User.get_cached_by_ap_id(ap_id) + + if user && !User.ap_enabled?(user) do Transmogrifier.upgrade_user_from_ap_id(ap_id) else with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do - User.insert_or_update_user(data) + if user do + user + |> User.remote_user_changeset(data) + |> User.update_and_set_cache() + else + data + |> User.remote_user_changeset() + |> Repo.insert() + |> User.set_cache() + end else e -> {:error, e} end diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex index 080030eb5..62ad15d85 100644 --- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex +++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.ActivityPubController do @@ -9,32 +9,50 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do alias Pleroma.Delivery alias Pleroma.Object alias Pleroma.Object.Fetcher + alias Pleroma.Plugs.EnsureAuthenticatedPlug 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.FederatingPlug alias Pleroma.Web.Federator require Logger action_fallback(:errors) + @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.Plugs.Cache, [query_params: false, tracking_fun: &__MODULE__.track_object_fetch/2] when action in [:activity, :object] ) - plug(Pleroma.Web.FederatingPlug when action in [:inbox, :relay]) 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 @@ -45,7 +63,7 @@ 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") @@ -53,6 +71,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do |> render("user.json", %{user: user}) else nil -> {:error, :not_found} + %{local: false} -> {:error, :not_found} end end @@ -126,18 +145,20 @@ 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") - |> put_view(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 @@ -163,18 +184,20 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end # GET /relay/followers - def followers(%{assigns: %{relay: true}} = conn, _params) do - conn - |> put_resp_content_type("application/activity+json") - |> put_view(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 @@ -199,13 +222,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end end - def outbox(conn, %{"nickname" => nickname, "page" => page?} = params) + 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 activities = if params["max_id"] do - ActivityPub.fetch_user_activities(user, nil, %{ + ActivityPub.fetch_user_activities(user, for_user, %{ "max_id" => params["max_id"], # This 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 @@ -213,7 +239,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do "limit" => 10 }) else - ActivityPub.fetch_user_activities(user, nil, %{ + ActivityPub.fetch_user_activities(user, for_user, %{ "limit" => 10, "include_poll_votes" => true }) @@ -254,9 +280,17 @@ 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" ) @@ -265,18 +299,21 @@ 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 @@ -310,21 +347,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do |> render("user.json", %{user: user}) end - def whoami(_conn, _params), do: {:error, :not_found} - def read_inbox( - %{assigns: %{user: %{nickname: nickname} = user}} = conn, + %{assigns: %{user: %User{nickname: nickname} = user}} = conn, %{"nickname" => nickname, "page" => page?} = params ) when page? in [true, "true"] do activities = if params["max_id"] do - ActivityPub.fetch_activities([user.ap_id | user.following], %{ + ActivityPub.fetch_activities([user.ap_id | User.following(user)], %{ "max_id" => params["max_id"], "limit" => 10 }) else - ActivityPub.fetch_activities([user.ap_id | user.following], %{"limit" => 10}) + ActivityPub.fetch_activities([user.ap_id | User.following(user)], %{"limit" => 10}) end conn @@ -336,7 +371,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do }) end - def read_inbox(%{assigns: %{user: %{nickname: nickname} = user}} = conn, %{ + def read_inbox(%{assigns: %{user: %User{nickname: nickname} = user}} = conn, %{ "nickname" => nickname }) do with {:ok, user} <- User.ensure_keys_present(user) do @@ -347,15 +382,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end 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) - end - - def read_inbox(%{assigns: %{user: %{nickname: as_nickname}}} = conn, %{ + def read_inbox(%{assigns: %{user: %User{nickname: as_nickname}}} = conn, %{ "nickname" => nickname }) do err = @@ -369,7 +396,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do |> json(err) end - def handle_user_activity(user, %{"type" => "Create"} = params) do + defp handle_user_activity( + %User{} = user, + %{"type" => "Create", "object" => %{"type" => "Note"}} = params + ) do object = params["object"] |> Map.merge(Map.take(params, ["to", "cc"])) @@ -385,26 +415,30 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do }) 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 @@ -433,7 +467,7 @@ 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, @@ -445,13 +479,13 @@ 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")) @@ -491,7 +525,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do - HTTP Code: 201 Created - HTTP Body: ActivityPub object to be inserted into another's `attachment` field """ - def upload_media(%{assigns: %{user: user}} = conn, %{"file" => file} = data) do + def upload_media(%{assigns: %{user: %User{} = user}} = conn, %{"file" => file} = data) do with {:ok, object} <- ActivityPub.upload( file, diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex new file mode 100644 index 000000000..4a247ad0c --- /dev/null +++ b/lib/pleroma/web/activity_pub/builder.ex @@ -0,0 +1,115 @@ +defmodule Pleroma.Web.ActivityPub.Builder do + @moduledoc """ + This module builds the objects. Meant to be used for creating local objects. + + This module encodes our addressing policies and general shape of our objects. + """ + + alias Pleroma.Object + alias Pleroma.User + alias Pleroma.Web.ActivityPub.Utils + alias Pleroma.Web.ActivityPub.Visibility + + @spec emoji_react(User.t(), Object.t(), String.t()) :: {:ok, map(), keyword()} + def emoji_react(actor, object, emoji) do + with {:ok, data, meta} <- object_action(actor, object) do + data = + data + |> Map.put("content", emoji) + |> Map.put("type", "EmojiReact") + + {:ok, data, meta} + end + end + + @spec undo(User.t(), Activity.t()) :: {:ok, map(), keyword()} + def undo(actor, object) do + {:ok, + %{ + "id" => Utils.generate_activity_id(), + "actor" => actor.ap_id, + "type" => "Undo", + "object" => object.data["id"], + "to" => object.data["to"] || [], + "cc" => object.data["cc"] || [] + }, []} + end + + @spec delete(User.t(), String.t()) :: {:ok, map(), keyword()} + def delete(actor, object_id) do + object = Object.normalize(object_id, false) + + user = !object && User.get_cached_by_ap_id(object_id) + + to = + case {object, user} do + {%Object{}, _} -> + # We are deleting an object, address everyone who was originally mentioned + (object.data["to"] || []) ++ (object.data["cc"] || []) + + {_, %User{follower_address: follower_address}} -> + # We are deleting a user, address the followers of that user + [follower_address] + end + + {:ok, + %{ + "id" => Utils.generate_activity_id(), + "actor" => actor.ap_id, + "object" => object_id, + "to" => to, + "type" => "Delete" + }, []} + end + + @spec tombstone(String.t(), String.t()) :: {:ok, map(), keyword()} + def tombstone(actor, id) do + {:ok, + %{ + "id" => id, + "actor" => actor, + "type" => "Tombstone" + }, []} + end + + @spec like(User.t(), Object.t()) :: {:ok, map(), keyword()} + def like(actor, object) do + with {:ok, data, meta} <- object_action(actor, object) do + data = + data + |> Map.put("type", "Like") + + {:ok, data, meta} + end + end + + @spec object_action(User.t(), Object.t()) :: {:ok, map(), keyword()} + defp object_action(actor, object) do + object_actor = User.get_cached_by_ap_id(object.data["actor"]) + + # Address the actor of the object, and our actor's follower collection if the post is public. + to = + if Visibility.is_public?(object) do + [actor.follower_address, object.data["actor"]] + else + [object.data["actor"]] + end + + # CC everyone who's been addressed in the object, except ourself and the object actor's + # follower collection + cc = + (object.data["to"] ++ (object.data["cc"] || [])) + |> List.delete(actor.ap_id) + |> List.delete(object_actor.follower_address) + + {:ok, + %{ + "id" => Utils.generate_activity_id(), + "actor" => actor.ap_id, + "object" => object.data["id"], + "to" => to, + "cc" => cc, + "context" => object.data["context"] + }, []} + end +end diff --git a/lib/pleroma/web/activity_pub/internal_fetch_actor.ex b/lib/pleroma/web/activity_pub/internal_fetch_actor.ex index 9213ddde7..c80272b8f 100644 --- a/lib/pleroma/web/activity_pub/internal_fetch_actor.ex +++ b/lib/pleroma/web/activity_pub/internal_fetch_actor.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.InternalFetchActor do diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex index 263ed11af..a0b3af432 100644 --- a/lib/pleroma/web/activity_pub/mrf.ex +++ b/lib/pleroma/web/activity_pub/mrf.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF do diff --git a/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex b/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex index b3547ecd4..0270b96ae 100644 --- a/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex index b90193ca0..9e7800997 100644 --- a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do @@ -11,12 +11,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do # has the user successfully posted before? defp old_user?(%User{} = u) do - u.info.note_count > 0 || u.info.follower_count > 0 + u.note_count > 0 || u.follower_count > 0 end # does the post contain links? defp contains_links?(%{"content" => content} = _object) do content + |> Floki.parse_fragment!() |> Floki.filter_out("a.mention,a.hashtag,a[rel~=\"tag\"],a.zrl") |> Floki.attribute("a", "href") |> length() > 0 diff --git a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex index f7831bc3e..5ab9844ff 100644 --- a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.DropPolicy do @@ -9,7 +9,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.DropPolicy do @impl true def filter(object) do - Logger.info("REJECTING #{inspect(object)}") + Logger.debug("REJECTING #{inspect(object)}") {:reject, object} end diff --git a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex index 3a3e72910..2627a0007 100644 --- a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex +++ b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do diff --git a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex index b3c742954..1764bc789 100644 --- a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex index d6d1396bc..88b0d2b39 100644 --- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/mediaproxy_warming_policy.ex b/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex index 26b8539fe..dfab105a3 100644 --- a/lib/pleroma/web/activity_pub/mrf/mediaproxy_warming_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy do @@ -12,17 +12,23 @@ defmodule Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy do require Logger - @hackney_options [ - pool: :media, - recv_timeout: 10_000 + @options [ + pool: :media ] def perform(:prefetch, url) do - Logger.info("Prefetching #{inspect(url)}") + Logger.debug("Prefetching #{inspect(url)}") + + opts = + if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Hackney do + Keyword.put(@options, :recv_timeout, 10_000) + else + @options + end url |> MediaProxy.url() - |> HTTP.get([], adapter: @hackney_options) + |> HTTP.get([], adapter: opts) end def perform(:preload, %{"object" => %{"attachment" => attachments}} = _message) do diff --git a/lib/pleroma/web/activity_pub/mrf/mention_policy.ex b/lib/pleroma/web/activity_pub/mrf/mention_policy.ex index ce8bc4580..06f003921 100644 --- a/lib/pleroma/web/activity_pub/mrf/mention_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/mention_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex b/lib/pleroma/web/activity_pub/mrf/no_op_policy.ex index 878c57925..cc2ac9d08 100644 --- a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/no_op_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.NoOpPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex b/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex index f67f48ab6..fc3475048 100644 --- a/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.NoPlaceholderTextPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex index daa4c88ad..7abae37ae 100644 --- a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex +++ b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.NormalizeMarkup do diff --git a/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex new file mode 100644 index 000000000..b0ccb63c8 --- /dev/null +++ b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex @@ -0,0 +1,106 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do + alias Pleroma.Config + alias Pleroma.User + + require Pleroma.Constants + + @moduledoc "Filter activities depending on their age" + @behaviour Pleroma.Web.ActivityPub.MRF + + defp check_date(%{"object" => %{"published" => published}} = message) do + with %DateTime{} = now <- DateTime.utc_now(), + {:ok, %DateTime{} = then, _} <- DateTime.from_iso8601(published), + max_ttl <- Config.get([:mrf_object_age, :threshold]), + {:ttl, false} <- {:ttl, DateTime.diff(now, then) > max_ttl} do + {:ok, message} + else + {:ttl, true} -> + {:reject, nil} + + e -> + {:error, e} + end + end + + defp check_reject(message, actions) do + if :reject in actions do + {:reject, nil} + else + {:ok, message} + end + end + + defp check_delist(message, actions) do + if :delist in actions do + with %User{} = user <- User.get_cached_by_ap_id(message["actor"]) do + to = List.delete(message["to"], Pleroma.Constants.as_public()) ++ [user.follower_address] + cc = List.delete(message["cc"], user.follower_address) ++ [Pleroma.Constants.as_public()] + + message = + message + |> Map.put("to", to) + |> Map.put("cc", cc) + + {:ok, message} + else + # Unhandleable error: somebody is messing around, just drop the message. + _e -> + {:reject, nil} + end + else + {:ok, message} + end + end + + defp check_strip_followers(message, actions) do + if :strip_followers in actions do + with %User{} = user <- User.get_cached_by_ap_id(message["actor"]) do + to = List.delete(message["to"], user.follower_address) + cc = List.delete(message["cc"], user.follower_address) + + message = + message + |> Map.put("to", to) + |> Map.put("cc", cc) + + {:ok, message} + else + # Unhandleable error: somebody is messing around, just drop the message. + _e -> + {:reject, nil} + end + else + {:ok, message} + end + end + + @impl true + def filter(%{"type" => "Create", "published" => _} = message) do + with actions <- Config.get([:mrf_object_age, :actions]), + {:reject, _} <- check_date(message), + {:ok, message} <- check_reject(message, actions), + {:ok, message} <- check_delist(message, actions), + {:ok, message} <- check_strip_followers(message, actions) do + {:ok, message} + else + # check_date() is allowed to short-circuit the pipeline + e -> e + end + end + + @impl true + def filter(message), do: {:ok, message} + + @impl true + def describe do + mrf_object_age = + Pleroma.Config.get(:mrf_object_age) + |> Enum.into(%{}) + + {:ok, %{mrf_object_age: mrf_object_age}} + end +end diff --git a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex index 5a809a321..3092f3272 100644 --- a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex +++ b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex index 8e53296e7..b7dcb1b86 100644 --- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex @@ -1,12 +1,12 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do alias Pleroma.User alias Pleroma.Web.ActivityPub.MRF @moduledoc "Filter activities depending on their origin instance" - @behaviour MRF + @behaviour Pleroma.Web.ActivityPub.MRF require Pleroma.Constants @@ -149,6 +149,21 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do defp check_banner_removal(_actor_info, object), do: {:ok, object} @impl true + def filter(%{"type" => "Delete", "actor" => actor} = object) do + %{host: actor_host} = URI.parse(actor) + + reject_deletes = + Pleroma.Config.get([:mrf_simple, :reject_deletes]) + |> MRF.subdomains_regex() + + if MRF.subdomain_match?(reject_deletes, actor_host) do + {:reject, nil} + else + {:ok, object} + end + end + + @impl true def filter(%{"actor" => actor} = object) do actor_info = URI.parse(actor) diff --git a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex index 566c1e191..c9f20571f 100644 --- a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicy do @@ -8,7 +8,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicy do require Logger - @behaviour MRF + @behaviour Pleroma.Web.ActivityPub.MRF defp lookup_subchain(actor) do with matches <- Config.get([:mrf_subchain, :match_actor]), diff --git a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex index c1801d2ec..c310462cb 100644 --- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/user_allowlist_policy.ex b/lib/pleroma/web/activity_pub/mrf/user_allow_list_policy.ex index 7389d6a96..a927a4ed8 100644 --- a/lib/pleroma/web/activity_pub/mrf/user_allowlist_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/user_allow_list_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex b/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex index 4eaea00d8..6167a74e2 100644 --- a/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicy do @@ -20,7 +20,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicy do with accepted_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :accept]), rejected_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :reject]), true <- - length(accepted_vocabulary) == 0 || Enum.member?(accepted_vocabulary, message_type), + Enum.empty?(accepted_vocabulary) || Enum.member?(accepted_vocabulary, message_type), false <- length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type), {:ok, _} <- filter(message["object"]) do diff --git a/lib/pleroma/web/activity_pub/object_validator.ex b/lib/pleroma/web/activity_pub/object_validator.ex new file mode 100644 index 000000000..549e5e761 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validator.ex @@ -0,0 +1,83 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidator do + @moduledoc """ + This module is responsible for validating an object (which can be an activity) + and checking if it is both well formed and also compatible with our view of + the system. + """ + + alias Pleroma.Object + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + alias Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator + + @spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()} + def validate(object, meta) + + def validate(%{"type" => "Undo"} = object, meta) do + with {:ok, object} <- + object + |> UndoValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Delete"} = object, meta) do + with cng <- DeleteValidator.cast_and_validate(object), + do_not_federate <- DeleteValidator.do_not_federate?(cng), + {:ok, object} <- Ecto.Changeset.apply_action(cng, :insert) do + object = stringify_keys(object) + meta = Keyword.put(meta, :do_not_federate, do_not_federate) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Like"} = object, meta) do + with {:ok, object} <- + object |> LikeValidator.cast_and_validate() |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object |> Map.from_struct()) + {:ok, object, meta} + end + end + + def validate(%{"type" => "EmojiReact"} = object, meta) do + with {:ok, object} <- + object + |> EmojiReactValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object |> Map.from_struct()) + {:ok, object, meta} + end + end + + def stringify_keys(%{__struct__: _} = object) do + object + |> Map.from_struct() + |> stringify_keys + end + + def stringify_keys(object) do + object + |> Map.new(fn {key, val} -> {to_string(key), val} end) + end + + def fetch_actor(object) do + with {:ok, actor} <- Types.ObjectID.cast(object["actor"]) do + User.get_or_fetch_by_ap_id(actor) + end + end + + def fetch_actor_and_object(object) do + fetch_actor(object) + Object.normalize(object["object"]) + :ok + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/common_validations.ex b/lib/pleroma/web/activity_pub/object_validators/common_validations.ex new file mode 100644 index 000000000..aeef31945 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/common_validations.ex @@ -0,0 +1,80 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations do + import Ecto.Changeset + + alias Pleroma.Activity + alias Pleroma.Object + alias Pleroma.User + + def validate_recipients_presence(cng, fields \\ [:to, :cc]) do + non_empty = + fields + |> Enum.map(fn field -> get_field(cng, field) end) + |> Enum.any?(fn + [] -> false + _ -> true + end) + + if non_empty do + cng + else + fields + |> Enum.reduce(cng, fn field, cng -> + cng + |> add_error(field, "no recipients in any field") + end) + end + end + + def validate_actor_presence(cng, options \\ []) do + field_name = Keyword.get(options, :field_name, :actor) + + cng + |> validate_change(field_name, fn field_name, actor -> + if User.get_cached_by_ap_id(actor) do + [] + else + [{field_name, "can't find user"}] + end + end) + end + + def validate_object_presence(cng, options \\ []) do + field_name = Keyword.get(options, :field_name, :object) + allowed_types = Keyword.get(options, :allowed_types, false) + + cng + |> validate_change(field_name, fn field_name, object_id -> + object = Object.get_cached_by_ap_id(object_id) || Activity.get_by_ap_id(object_id) + + cond do + !object -> + [{field_name, "can't find object"}] + + object && allowed_types && object.data["type"] not in allowed_types -> + [{field_name, "object not in allowed types"}] + + true -> + [] + end + end) + end + + def validate_object_or_user_presence(cng, options \\ []) do + field_name = Keyword.get(options, :field_name, :object) + options = Keyword.put(options, :field_name, field_name) + + actor_cng = + cng + |> validate_actor_presence(options) + + object_cng = + cng + |> validate_object_presence(options) + + if actor_cng.valid?, do: actor_cng, else: object_cng + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/create_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_validator.ex new file mode 100644 index 000000000..926804ce7 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/create_validator.ex @@ -0,0 +1,30 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateNoteValidator do + use Ecto.Schema + + alias Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + + import Ecto.Changeset + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:actor, Types.ObjectID) + field(:type, :string) + field(:to, {:array, :string}) + field(:cc, {:array, :string}) + field(:bto, {:array, :string}, default: []) + field(:bcc, {:array, :string}, default: []) + + embeds_one(:object, NoteValidator) + end + + def cast_data(data) do + cast(%__MODULE__{}, data, __schema__(:fields)) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex b/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex new file mode 100644 index 000000000..f42c03510 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex @@ -0,0 +1,100 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator do + use Ecto.Schema + + alias Pleroma.Activity + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:type, :string) + field(:actor, Types.ObjectID) + field(:to, Types.Recipients, default: []) + field(:cc, Types.Recipients, default: []) + field(:deleted_activity_id, Types.ObjectID) + field(:object, Types.ObjectID) + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, __schema__(:fields)) + end + + def add_deleted_activity_id(cng) do + object = + cng + |> get_field(:object) + + with %Activity{id: id} <- Activity.get_create_by_object_ap_id(object) do + cng + |> put_change(:deleted_activity_id, id) + else + _ -> cng + end + end + + @deletable_types ~w{ + Answer + Article + Audio + Event + Note + Page + Question + Video + Tombstone + } + def validate_data(cng) do + cng + |> validate_required([:id, :type, :actor, :to, :cc, :object]) + |> validate_inclusion(:type, ["Delete"]) + |> validate_actor_presence() + |> validate_deletion_rights() + |> validate_object_or_user_presence(allowed_types: @deletable_types) + |> add_deleted_activity_id() + end + + def do_not_federate?(cng) do + !same_domain?(cng) + end + + defp same_domain?(cng) do + actor_uri = + cng + |> get_field(:actor) + |> URI.parse() + + object_uri = + cng + |> get_field(:object) + |> URI.parse() + + object_uri.host == actor_uri.host + end + + def validate_deletion_rights(cng) do + actor = User.get_cached_by_ap_id(get_field(cng, :actor)) + + if User.superuser?(actor) || same_domain?(cng) do + cng + else + cng + |> add_error(:actor, "is not allowed to delete object") + end + end + + def cast_and_validate(data) do + data + |> cast_data + |> validate_data + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex new file mode 100644 index 000000000..e87519c59 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex @@ -0,0 +1,81 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do + use Ecto.Schema + + alias Pleroma.Object + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:type, :string) + field(:object, Types.ObjectID) + field(:actor, Types.ObjectID) + field(:context, :string) + field(:content, :string) + field(:to, {:array, :string}, default: []) + field(:cc, {:array, :string}, default: []) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + def changeset(struct, data) do + struct + |> cast(data, __schema__(:fields)) + |> fix_after_cast() + end + + def fix_after_cast(cng) do + cng + |> fix_context() + end + + def fix_context(cng) do + object = get_field(cng, :object) + + with nil <- get_field(cng, :context), + %Object{data: %{"context" => context}} <- Object.get_cached_by_ap_id(object) do + cng + |> put_change(:context, context) + else + _ -> + cng + end + end + + def validate_emoji(cng) do + content = get_field(cng, :content) + + if Pleroma.Emoji.is_unicode_emoji?(content) do + cng + else + cng + |> add_error(:content, "must be a single character emoji") + end + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["EmojiReact"]) + |> validate_required([:id, :type, :object, :actor, :context, :to, :cc, :content]) + |> validate_actor_presence() + |> validate_object_presence() + |> validate_emoji() + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/like_validator.ex b/lib/pleroma/web/activity_pub/object_validators/like_validator.ex new file mode 100644 index 000000000..034f25492 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/like_validator.ex @@ -0,0 +1,99 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator do + use Ecto.Schema + + alias Pleroma.Object + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + alias Pleroma.Web.ActivityPub.Utils + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:type, :string) + field(:object, Types.ObjectID) + field(:actor, Types.ObjectID) + field(:context, :string) + field(:to, Types.Recipients, default: []) + field(:cc, Types.Recipients, default: []) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + def changeset(struct, data) do + struct + |> cast(data, __schema__(:fields)) + |> fix_after_cast() + end + + def fix_after_cast(cng) do + cng + |> fix_recipients() + |> fix_context() + end + + def fix_context(cng) do + object = get_field(cng, :object) + + with nil <- get_field(cng, :context), + %Object{data: %{"context" => context}} <- Object.get_cached_by_ap_id(object) do + cng + |> put_change(:context, context) + else + _ -> + cng + end + end + + def fix_recipients(cng) do + to = get_field(cng, :to) + cc = get_field(cng, :cc) + object = get_field(cng, :object) + + with {[], []} <- {to, cc}, + %Object{data: %{"actor" => actor}} <- Object.get_cached_by_ap_id(object), + {:ok, actor} <- Types.ObjectID.cast(actor) do + cng + |> put_change(:to, [actor]) + else + _ -> + cng + end + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Like"]) + |> validate_required([:id, :type, :object, :actor, :context, :to, :cc]) + |> validate_actor_presence() + |> validate_object_presence() + |> validate_existing_like() + end + + def validate_existing_like(%{changes: %{actor: actor, object: object}} = cng) do + if Utils.get_existing_like(actor, %{data: %{"id" => object}}) do + cng + |> add_error(:actor, "already liked this object") + |> add_error(:object, "already liked by this actor") + else + cng + end + end + + def validate_existing_like(cng), do: cng +end diff --git a/lib/pleroma/web/activity_pub/object_validators/note_validator.ex b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex new file mode 100644 index 000000000..462a5620a --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex @@ -0,0 +1,64 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator do + use Ecto.Schema + + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + + import Ecto.Changeset + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:to, {:array, :string}, default: []) + field(:cc, {:array, :string}, default: []) + field(:bto, {:array, :string}, default: []) + field(:bcc, {:array, :string}, default: []) + # TODO: Write type + field(:tag, {:array, :map}, default: []) + field(:type, :string) + field(:content, :string) + field(:context, :string) + field(:actor, Types.ObjectID) + field(:attributedTo, Types.ObjectID) + field(:summary, :string) + field(:published, Types.DateTime) + # TODO: Write type + field(:emoji, :map, default: %{}) + field(:sensitive, :boolean, default: false) + # TODO: Write type + field(:attachment, {:array, :map}, default: []) + field(:replies_count, :integer, default: 0) + field(:like_count, :integer, default: 0) + field(:announcement_count, :integer, default: 0) + field(:inRepyTo, :string) + field(:uri, Types.Uri) + + field(:likes, {:array, :string}, default: []) + field(:announcements, {:array, :string}, default: []) + + # see if needed + field(:conversation, :string) + field(:context_id, :string) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, __schema__(:fields)) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Note"]) + |> validate_required([:id, :actor, :to, :cc, :type, :content, :context]) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/types/date_time.ex b/lib/pleroma/web/activity_pub/object_validators/types/date_time.ex new file mode 100644 index 000000000..4f412fcde --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/types/date_time.ex @@ -0,0 +1,34 @@ +defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.DateTime do + @moduledoc """ + The AP standard defines the date fields in AP as xsd:DateTime. Elixir's + DateTime can't parse this, but it can parse the related iso8601. This + module punches the date until it looks like iso8601 and normalizes to + it. + + DateTimes without a timezone offset are treated as UTC. + + Reference: https://www.w3.org/TR/activitystreams-vocabulary/#dfn-published + """ + use Ecto.Type + + def type, do: :string + + def cast(datetime) when is_binary(datetime) do + with {:ok, datetime, _} <- DateTime.from_iso8601(datetime) do + {:ok, DateTime.to_iso8601(datetime)} + else + {:error, :missing_offset} -> cast("#{datetime}Z") + _e -> :error + end + end + + def cast(_), do: :error + + def dump(data) do + {:ok, data} + end + + def load(data) do + {:ok, data} + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex b/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex new file mode 100644 index 000000000..f71f76370 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex @@ -0,0 +1,23 @@ +defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.ObjectID do + use Ecto.Type + + def type, do: :string + + def cast(object) when is_binary(object) do + # Host has to be present and scheme has to be an http scheme (for now) + case URI.parse(object) do + %URI{host: nil} -> :error + %URI{host: ""} -> :error + %URI{scheme: scheme} when scheme in ["https", "http"] -> {:ok, object} + _ -> :error + end + end + + def cast(%{"id" => object}), do: cast(object) + + def cast(_), do: :error + + def dump(data), do: {:ok, data} + + def load(data), do: {:ok, data} +end diff --git a/lib/pleroma/web/activity_pub/object_validators/types/recipients.ex b/lib/pleroma/web/activity_pub/object_validators/types/recipients.ex new file mode 100644 index 000000000..48fe61e1a --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/types/recipients.ex @@ -0,0 +1,34 @@ +defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.Recipients do + use Ecto.Type + + alias Pleroma.Web.ActivityPub.ObjectValidators.Types.ObjectID + + def type, do: {:array, ObjectID} + + def cast(object) when is_binary(object) do + cast([object]) + end + + def cast(data) when is_list(data) do + data + |> Enum.reduce({:ok, []}, fn element, acc -> + case {acc, ObjectID.cast(element)} do + {:error, _} -> :error + {_, :error} -> :error + {{:ok, list}, {:ok, id}} -> {:ok, [id | list]} + end + end) + end + + def cast(_) do + :error + end + + def dump(data) do + {:ok, data} + end + + def load(data) do + {:ok, data} + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/types/uri.ex b/lib/pleroma/web/activity_pub/object_validators/types/uri.ex new file mode 100644 index 000000000..24845bcc0 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/types/uri.ex @@ -0,0 +1,20 @@ +defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.Uri do + use Ecto.Type + + def type, do: :string + + def cast(uri) when is_binary(uri) do + case URI.parse(uri) do + %URI{host: nil} -> :error + %URI{host: ""} -> :error + %URI{scheme: scheme} when scheme in ["https", "http"] -> {:ok, uri} + _ -> :error + end + end + + def cast(_), do: :error + + def dump(data), do: {:ok, data} + + def load(data), do: {:ok, data} +end diff --git a/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex b/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex new file mode 100644 index 000000000..d0ba418e8 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex @@ -0,0 +1,62 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator do + use Ecto.Schema + + alias Pleroma.Activity + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:type, :string) + field(:object, Types.ObjectID) + field(:actor, Types.ObjectID) + field(:to, {:array, :string}, default: []) + field(:cc, {:array, :string}, default: []) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + def changeset(struct, data) do + struct + |> cast(data, __schema__(:fields)) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Undo"]) + |> validate_required([:id, :type, :object, :actor, :to, :cc]) + |> validate_actor_presence() + |> validate_object_presence() + |> validate_undo_rights() + end + + def validate_undo_rights(cng) do + actor = get_field(cng, :actor) + object = get_field(cng, :object) + + with %Activity{data: %{"actor" => object_actor}} <- Activity.get_by_ap_id(object), + true <- object_actor != actor do + cng + |> add_error(:actor, "not the same as object actor") + else + _ -> cng + end + end +end diff --git a/lib/pleroma/web/activity_pub/pipeline.ex b/lib/pleroma/web/activity_pub/pipeline.ex new file mode 100644 index 000000000..657cdfdb1 --- /dev/null +++ b/lib/pleroma/web/activity_pub/pipeline.ex @@ -0,0 +1,59 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.Pipeline do + alias Pleroma.Activity + alias Pleroma.Object + alias Pleroma.Repo + alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.Web.ActivityPub.MRF + alias Pleroma.Web.ActivityPub.ObjectValidator + alias Pleroma.Web.ActivityPub.SideEffects + alias Pleroma.Web.Federator + + @spec common_pipeline(map(), keyword()) :: + {:ok, Activity.t() | Object.t(), keyword()} | {:error, any()} + def common_pipeline(object, meta) do + case Repo.transaction(fn -> do_common_pipeline(object, meta) end) do + {:ok, value} -> + value + + {:error, e} -> + {:error, e} + end + end + + def do_common_pipeline(object, meta) do + with {_, {:ok, validated_object, meta}} <- + {:validate_object, ObjectValidator.validate(object, meta)}, + {_, {:ok, mrfd_object}} <- {:mrf_object, MRF.filter(validated_object)}, + {_, {:ok, activity, meta}} <- + {:persist_object, ActivityPub.persist(mrfd_object, meta)}, + {_, {:ok, activity, meta}} <- + {:execute_side_effects, SideEffects.handle(activity, meta)}, + {_, {:ok, _}} <- {:federation, maybe_federate(activity, meta)} do + {:ok, activity, meta} + else + {:mrf_object, {:reject, _}} -> {:ok, nil, meta} + e -> {:error, e} + end + end + + defp maybe_federate(%Object{}, _), do: {:ok, :not_federated} + + defp maybe_federate(%Activity{} = activity, meta) do + with {:ok, local} <- Keyword.fetch(meta, :local) do + do_not_federate = meta[:do_not_federate] + + if !do_not_federate && local do + Federator.publish(activity) + {:ok, :federated} + else + {:ok, :not_federated} + end + else + _e -> {:error, :badarg} + end + end +end diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex index 2aac4e8b9..b70cbd043 100644 --- a/lib/pleroma/web/activity_pub/publisher.ex +++ b/lib/pleroma/web/activity_pub/publisher.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.Publisher do @@ -9,6 +9,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do alias Pleroma.HTTP alias Pleroma.Instances alias Pleroma.Object + alias Pleroma.Repo alias Pleroma.User alias Pleroma.Web.ActivityPub.Relay alias Pleroma.Web.ActivityPub.Transmogrifier @@ -47,7 +48,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do * `id`: the ActivityStreams URI of the message """ def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = params) do - Logger.info("Federating #{id} to #{inbox}") + Logger.debug("Federating #{id} to #{inbox}") %{host: host, path: path} = URI.parse(inbox) digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) @@ -140,8 +141,8 @@ defmodule Pleroma.Web.ActivityPub.Publisher do |> Enum.map(& &1.ap_id) end - defp maybe_use_sharedinbox(%User{info: %{source_data: data}}), - do: (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] + defp maybe_use_sharedinbox(%User{shared_inbox: nil, inbox: inbox}), do: inbox + defp maybe_use_sharedinbox(%User{shared_inbox: shared_inbox}), do: shared_inbox @doc """ Determine a user inbox to use based on heuristics. These heuristics @@ -156,7 +157,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do """ def determine_inbox( %Activity{data: activity_data}, - %User{info: %{source_data: data}} = user + %User{inbox: inbox} = user ) do to = activity_data["to"] || [] cc = activity_data["cc"] || [] @@ -173,7 +174,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do maybe_use_sharedinbox(user) true -> - data["inbox"] + inbox end end @@ -188,31 +189,34 @@ defmodule Pleroma.Web.ActivityPub.Publisher do recipients = recipients(actor, activity) - recipients - |> Enum.filter(&User.ap_enabled?/1) - |> Enum.map(fn %{info: %{source_data: data}} -> data["inbox"] end) - |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) - |> Instances.filter_reachable() - |> Enum.each(fn {inbox, unreachable_since} -> - %User{ap_id: ap_id} = - Enum.find(recipients, fn %{info: %{source_data: data}} -> data["inbox"] == inbox end) - - # Get all the recipients on the same host and add them to cc. Otherwise, a remote - # instance would only accept a first message for the first recipient and ignore the rest. - cc = get_cc_ap_ids(ap_id, recipients) - - json = - data - |> Map.put("cc", cc) - |> Jason.encode!() - - Pleroma.Web.Federator.Publisher.enqueue_one(__MODULE__, %{ - inbox: inbox, - json: json, - actor_id: actor.id, - id: activity.data["id"], - unreachable_since: unreachable_since - }) + inboxes = + recipients + |> Enum.filter(&User.ap_enabled?/1) + |> Enum.map(fn actor -> actor.inbox end) + |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) + |> Instances.filter_reachable() + + Repo.checkout(fn -> + Enum.each(inboxes, fn {inbox, unreachable_since} -> + %User{ap_id: ap_id} = Enum.find(recipients, fn actor -> actor.inbox == inbox end) + + # Get all the recipients on the same host and add them to cc. Otherwise, a remote + # instance would only accept a first message for the first recipient and ignore the rest. + cc = get_cc_ap_ids(ap_id, recipients) + + json = + data + |> Map.put("cc", cc) + |> Jason.encode!() + + Pleroma.Web.Federator.Publisher.enqueue_one(__MODULE__, %{ + inbox: inbox, + json: json, + actor_id: actor.id, + id: activity.data["id"], + unreachable_since: unreachable_since + }) + end) end) end @@ -223,7 +227,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do public = is_public?(activity) if public && Config.get([:instance, :allow_relay]) do - Logger.info(fn -> "Relaying #{activity.data["id"]} out" end) + Logger.debug(fn -> "Relaying #{activity.data["id"]} out" end) Relay.publish(activity) end @@ -259,6 +263,10 @@ defmodule Pleroma.Web.ActivityPub.Publisher do "rel" => "self", "type" => "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"", "href" => user.ap_id + }, + %{ + "rel" => "http://ostatus.org/schema/1.0/subscribe", + "template" => "#{Pleroma.Web.base_url()}/ostatus_subscribe?acct={uri}" } ] end diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex index de80612f1..729c23af7 100644 --- a/lib/pleroma/web/activity_pub/relay.ex +++ b/lib/pleroma/web/activity_pub/relay.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.Relay do @@ -9,15 +9,20 @@ defmodule Pleroma.Web.ActivityPub.Relay do alias Pleroma.Web.ActivityPub.ActivityPub require Logger + @relay_nickname "relay" + def get_actor do actor = - "#{Pleroma.Web.Endpoint.url()}/relay" - |> User.get_or_create_service_actor_by_ap_id() + relay_ap_id() + |> User.get_or_create_service_actor_by_ap_id(@relay_nickname) - {:ok, actor} = User.update_info(actor, &User.Info.set_invisible(&1, true)) actor end + def relay_ap_id do + "#{Pleroma.Web.Endpoint.url()}/relay" + end + @spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()} def follow(target_instance) do with %User{} = local_user <- get_actor(), @@ -55,14 +60,28 @@ defmodule Pleroma.Web.ActivityPub.Relay do def publish(_), do: {:error, "Not implemented"} - @spec list() :: {:ok, [String.t()]} | {:error, any()} - def list do - with %User{following: following} = _user <- get_actor() do - list = - following + @spec list(boolean()) :: {:ok, [String.t()]} | {:error, any()} + def list(with_not_accepted \\ false) do + with %User{} = user <- get_actor() do + accepted = + user + |> User.following() |> Enum.map(fn entry -> URI.parse(entry).host end) |> Enum.uniq() + list = + if with_not_accepted do + without_accept = + user + |> Pleroma.Activity.following_requests_for_actor() + |> Enum.map(fn a -> URI.parse(a.data["object"]).host <> " (no Accept received)" end) + |> Enum.uniq() + + accepted ++ without_accept + else + accepted + end + {:ok, list} else error -> format_error(error) diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex new file mode 100644 index 000000000..bfc2ab845 --- /dev/null +++ b/lib/pleroma/web/activity_pub/side_effects.ex @@ -0,0 +1,133 @@ +defmodule Pleroma.Web.ActivityPub.SideEffects do + @moduledoc """ + This module looks at an inserted object and executes the side effects that it + implies. For example, a `Like` activity will increase the like count on the + liked object, a `Follow` activity will add the user to the follower + collection, and so on. + """ + alias Pleroma.Activity + alias Pleroma.Notification + alias Pleroma.Object + alias Pleroma.Repo + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.Web.ActivityPub.Utils + + def handle(object, meta \\ []) + + # Tasks this handles: + # - Add like to object + # - Set up notification + def handle(%{data: %{"type" => "Like"}} = object, meta) do + liked_object = Object.get_by_ap_id(object.data["object"]) + Utils.add_like_to_object(object, liked_object) + + Notification.create_notifications(object) + + {:ok, object, meta} + end + + def handle(%{data: %{"type" => "Undo", "object" => undone_object}} = object, meta) do + with undone_object <- Activity.get_by_ap_id(undone_object), + :ok <- handle_undoing(undone_object) do + {:ok, object, meta} + end + end + + # Tasks this handles: + # - Add reaction to object + # - Set up notification + def handle(%{data: %{"type" => "EmojiReact"}} = object, meta) do + reacted_object = Object.get_by_ap_id(object.data["object"]) + Utils.add_emoji_reaction_to_object(object, reacted_object) + + Notification.create_notifications(object) + + {:ok, object, meta} + end + + # Tasks this handles: + # - Delete and unpins the create activity + # - Replace object with Tombstone + # - Set up notification + # - Reduce the user note count + # - Reduce the reply count + # - Stream out the activity + def handle(%{data: %{"type" => "Delete", "object" => deleted_object}} = object, meta) do + deleted_object = + Object.normalize(deleted_object, false) || User.get_cached_by_ap_id(deleted_object) + + result = + case deleted_object do + %Object{} -> + with {:ok, deleted_object, activity} <- Object.delete(deleted_object), + %User{} = user <- User.get_cached_by_ap_id(deleted_object.data["actor"]) do + User.remove_pinnned_activity(user, activity) + + {:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object) + + if in_reply_to = deleted_object.data["inReplyTo"] do + Object.decrease_replies_count(in_reply_to) + end + + ActivityPub.stream_out(object) + ActivityPub.stream_out_participations(deleted_object, user) + :ok + end + + %User{} -> + with {:ok, _} <- User.delete(deleted_object) do + :ok + end + end + + if result == :ok do + Notification.create_notifications(object) + {:ok, object, meta} + else + {:error, result} + end + end + + # Nothing to do + def handle(object, meta) do + {:ok, object, meta} + end + + def handle_undoing(%{data: %{"type" => "Like"}} = object) do + with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]), + {:ok, _} <- Utils.remove_like_from_object(object, liked_object), + {:ok, _} <- Repo.delete(object) do + :ok + end + end + + def handle_undoing(%{data: %{"type" => "EmojiReact"}} = object) do + with %Object{} = reacted_object <- Object.get_by_ap_id(object.data["object"]), + {:ok, _} <- Utils.remove_emoji_reaction_from_object(object, reacted_object), + {:ok, _} <- Repo.delete(object) do + :ok + end + end + + def handle_undoing(%{data: %{"type" => "Announce"}} = object) do + with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]), + {:ok, _} <- Utils.remove_announce_from_object(object, liked_object), + {:ok, _} <- Repo.delete(object) do + :ok + end + end + + def handle_undoing( + %{data: %{"type" => "Block", "actor" => blocker, "object" => blocked}} = object + ) do + with %User{} = blocker <- User.get_cached_by_ap_id(blocker), + %User{} = blocked <- User.get_cached_by_ap_id(blocked), + {:ok, _} <- User.unblock(blocker, blocked), + {:ok, _} <- Repo.delete(object) do + :ok + end + end + + def handle_undoing(object), do: {:error, ["don't know how to handle", object]} +end diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index 4a250d131..80701bb63 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 <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.Transmogrifier do @@ -7,11 +7,17 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do A module to handle coding from internal to wire ActivityPub and back. """ alias Pleroma.Activity + alias Pleroma.EarmarkRenderer + alias Pleroma.FollowingRelationship alias Pleroma.Object alias Pleroma.Object.Containment alias Pleroma.Repo alias Pleroma.User alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.Web.ActivityPub.Builder + alias Pleroma.Web.ActivityPub.ObjectValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + alias Pleroma.Web.ActivityPub.Pipeline alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.ActivityPub.Visibility alias Pleroma.Web.Federator @@ -39,6 +45,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> fix_addressing |> fix_summary |> fix_type(options) + |> fix_content end def fix_summary(%{"summary" => nil} = object) do @@ -155,10 +162,11 @@ 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) @@ -200,16 +208,46 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> Map.put("conversation", context) end + defp add_if_present(map, _key, nil), do: map + + defp add_if_present(map, key, value) do + Map.put(map, key, value) + end + def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do attachments = Enum.map(attachment, fn data -> - media_type = data["mediaType"] || data["mimeType"] - href = data["url"] || data["href"] - url = [%{"type" => "Link", "mediaType" => media_type, "href" => href}] - - data - |> Map.put("mediaType", media_type) - |> Map.put("url", url) + url = + cond do + is_list(data["url"]) -> List.first(data["url"]) + is_map(data["url"]) -> data["url"] + true -> nil + end + + media_type = + cond do + is_map(url) && is_binary(url["mediaType"]) -> url["mediaType"] + is_binary(data["mediaType"]) -> data["mediaType"] + is_binary(data["mimeType"]) -> data["mimeType"] + true -> nil + end + + href = + cond do + is_map(url) && is_binary(url["href"]) -> url["href"] + is_binary(data["url"]) -> data["url"] + is_binary(data["href"]) -> data["href"] + end + + attachment_url = + %{"href" => href} + |> add_if_present("mediaType", media_type) + |> add_if_present("type", Map.get(url || %{}, "type")) + + %{"url" => [attachment_url]} + |> add_if_present("mediaType", media_type) + |> add_if_present("type", data["type"]) + |> add_if_present("name", data["name"]) end) Map.put(object, "attachment", attachments) @@ -227,7 +265,8 @@ 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 +350,7 @@ 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 @@ -321,6 +360,18 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def fix_type(object, _), do: object + defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = object) + when is_binary(content) do + html_content = + content + |> Earmark.as_html!(%Earmark.Options{renderer: EarmarkRenderer}) + |> Pleroma.HTML.filter_tags() + + Map.merge(object, %{"content" => html_content, "mediaType" => "text/html"}) + end + + defp fix_content(object), do: object + defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do with true <- id =~ "follows", %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id), @@ -386,7 +437,7 @@ 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 +447,7 @@ 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 +456,7 @@ 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"], @@ -423,7 +473,20 @@ 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 @@ -441,7 +504,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> fix_addressing with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do - options = Keyword.put(options, :depth, (options[:depth] || 0) + 1) + reply_depth = (options[:depth] || 0) + 1 + options = Keyword.put(options, :depth, reply_depth) object = fix_object(object, options) params = %{ @@ -474,7 +538,9 @@ 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, :follow_accept) do ActivityPub.accept(%{ to: [follower.ap_id], actor: followed, @@ -484,6 +550,7 @@ 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, :follow_reject) ActivityPub.reject(%{ to: [follower.ap_id], @@ -494,6 +561,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:follow, {:error, _}} -> {:ok, _} = Utils.update_follow_state_for_all(activity, "reject") + {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject) ActivityPub.reject(%{ to: [follower.ap_id], @@ -503,6 +571,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do }) {:user_locked, true} -> + {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_pending) :noop end @@ -522,7 +591,10 @@ 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, :follow_accept) do + User.update_follower_count(followed) + User.update_following_count(follower) + ActivityPub.accept(%{ to: follow_activity.data["to"], type: "Accept", @@ -532,7 +604,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do activity_id: id }) else - _e -> :error + _e -> + :error end end @@ -545,6 +618,7 @@ 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, :follow_reject), {:ok, activity} <- ActivityPub.reject(%{ to: follow_activity.data["to"], @@ -554,25 +628,47 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do 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", "object" => object_id, "actor" => _actor, "id" => id} = data, - _options + %{ + "type" => "Like", + "_misskey_reaction" => reaction + } = 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.like(actor, object, id, false) do + data + |> Map.put("type", "EmojiReact") + |> Map.put("content", @misskey_reactions[reaction] || reaction) + |> handle_incoming(options) + end + + def handle_incoming(%{"type" => type} = data, _options) when type in ["Like", "EmojiReact"] do + with :ok <- ObjectValidator.fetch_actor_and_object(data), + {:ok, activity, _meta} <- + Pipeline.common_pipeline(data, local: false) do {:ok, activity} else - _e -> :error + e -> {:error, e} end end @@ -605,23 +701,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier 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"]) || [] - invisible = new_user_data[:info][:invisible] || false - - 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, invisible: invisible}) - actor - |> User.upgrade_changeset(update_data, true) + |> User.remote_user_changeset(new_user_data) |> User.update_and_set_cache() ActivityPub.update(%{ @@ -639,55 +720,25 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end end - # TODO: We presently assume that any actor on the same origin domain as the object being - # deleted has the rights to delete that object. A better way to validate whether or not - # the object should be deleted is to refetch the object URI, which should return either - # 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"} = data, _options ) do - object_id = Utils.get_ap_id(object_id) - - 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 <- Containment.contain_origin(actor.ap_id, object.data), - {:ok, activity} <- - ActivityPub.delete(object, local: false, activity_id: id, actor: actor.ap_id) do + with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do {:ok, activity} else - nil -> - case User.get_cached_by_ap_id(object_id) do - %User{ap_id: ^actor} = user -> - User.delete(user) - - nil -> - :error + {:error, {:validate_object, _}} = e -> + # Check if we have a create activity for this + with {:ok, object_id} <- Types.ObjectID.cast(data["object"]), + %Activity{data: %{"actor" => actor}} <- + Activity.create_by_object_ap_id(object_id) |> Repo.one(), + # We have one, insert a tombstone and retry + {:ok, tombstone_data, _} <- Builder.tombstone(actor, object_id), + {:ok, _tombstone} <- Object.create(tombstone_data) do + handle_incoming(data) + else + _ -> e end - - _e -> - :error - end - end - - def handle_incoming( - %{ - "type" => "Undo", - "object" => %{"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_obj_helper(object_id), - {:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do - {:ok, activity} - else - _e -> :error end end @@ -713,17 +764,29 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def handle_incoming( %{ "type" => "Undo", - "object" => %{"type" => "Block", "object" => blocked}, - "actor" => blocker, - "id" => id - } = _data, + "object" => %{"type" => type} + } = data, _options - ) do - with %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked), - {:ok, %User{} = blocker} <- User.get_or_fetch_by_ap_id(blocker), - {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do - User.unblock(blocker, blocked) + ) + when type in ["Like", "EmojiReact", "Announce", "Block"] do + with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do {:ok, activity} + 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 @@ -746,36 +809,17 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def handle_incoming( %{ - "type" => "Undo", - "object" => %{"type" => "Like", "object" => object_id}, - "actor" => _actor, - "id" => id - } = data, + "type" => "Move", + "actor" => origin_actor, + "object" => origin_actor, + "target" => target_actor + }, _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, _, _} <- ActivityPub.unlike(actor, object, id, false) do - {:ok, activity} - else - _e -> :error - 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) + 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 @@ -825,6 +869,50 @@ 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 @@ -836,6 +924,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> prepare_attachments |> set_conversation |> set_reply_to_uri + |> set_replies |> strip_internal_fields |> strip_internal_tags |> set_type @@ -971,13 +1060,11 @@ 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 @@ -985,9 +1072,9 @@ 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) + |> Map.to_list() |> Enum.map(&build_emoji_tag/1) end @@ -1016,6 +1103,10 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "conversation", object["context"]) end + def set_sensitive(%{"sensitive" => true} = object) do + object + end + def set_sensitive(object) do tags = object["tag"] || [] Map.put(object, "sensitive", "nsfw" in tags) @@ -1034,18 +1125,24 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def prepare_attachments(object) do attachments = - (object["attachment"] || []) + object + |> Map.get("attachment", []) |> Enum.map(fn data -> [%{"mediaType" => media_type, "href" => href} | _] = data["url"] - %{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"} + + %{ + "url" => href, + "mediaType" => media_type, + "name" => data["name"], + "type" => "Document" + } end) Map.put(object, "attachment", attachments) end - defp strip_internal_fields(object) do - object - |> Map.drop(Pleroma.Constants.object_internal_fields()) + def strip_internal_fields(object) do + Map.drop(object, Pleroma.Constants.object_internal_fields()) end defp strip_internal_tags(%{"tag" => tags} = object) do @@ -1060,54 +1157,29 @@ 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 - ) - ] - ] - ) - - Repo.update_all(q, []) - - 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 - ) - ] + 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 with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id), {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id), - already_ap <- User.ap_enabled?(user), - {:ok, user} <- upgrade_user(user, data) do - if not already_ap do - TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id}) - end - + {:ok, user} <- update_user(user, data) do + TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id}) {:ok, user} else %User{} = user -> {:ok, user} @@ -1115,9 +1187,9 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end end - defp upgrade_user(user, data) do + defp update_user(user, data) do user - |> User.upgrade_changeset(data, true) + |> User.remote_user_changeset(data) |> User.update_and_set_cache() end diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index 6b28df92c..f2375bcc4 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -1,17 +1,20 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # 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.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 alias Pleroma.Web.Endpoint alias Pleroma.Web.Router.Helpers @@ -20,7 +23,17 @@ 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) @@ -33,8 +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] _ -> [] @@ -49,26 +62,28 @@ defmodule Pleroma.Web.ActivityPub.Utils do def determine_explicit_mentions(_), do: [] - @spec recipient_in_collection(any(), any()) :: boolean() - defp recipient_in_collection(ap_id, coll) when is_binary(coll), do: ap_id == coll - defp recipient_in_collection(ap_id, coll) when is_list(coll), do: ap_id in coll - defp recipient_in_collection(_, _), do: false + @spec label_in_collection?(any(), any()) :: boolean() + defp label_in_collection?(ap_id, coll) when is_binary(coll), do: ap_id == coll + defp label_in_collection?(ap_id, coll) when is_list(coll), do: ap_id in coll + defp label_in_collection?(_, _), do: false + + @spec label_in_message?(String.t(), map()) :: boolean() + def label_in_message?(label, params), + do: + [params["to"], params["cc"], params["bto"], params["bcc"]] + |> Enum.any?(&label_in_collection?(label, &1)) + + @spec unaddressed_message?(map()) :: boolean() + def unaddressed_message?(params), + do: + [params["to"], params["cc"], params["bto"], params["bcc"]] + |> Enum.all?(&is_nil(&1)) @spec recipient_in_message(User.t(), User.t(), map()) :: boolean() - def recipient_in_message(%User{ap_id: ap_id} = recipient, %User{} = actor, params) do - addresses = [params["to"], params["cc"], params["bto"], params["bcc"]] - - cond do - Enum.any?(addresses, &recipient_in_collection(ap_id, &1)) -> true - # if the message is unaddressed at all, then assume it is directly addressed - # to the recipient - Enum.all?(addresses, &is_nil(&1)) -> true - # if the message is sent from somebody the user is following, then assume it - # is addressed to the recipient - User.following?(recipient, actor) -> true - true -> false - end - end + def recipient_in_message(%User{ap_id: ap_id} = recipient, %User{} = actor, params), + do: + label_in_message?(ap_id, params) || unaddressed_message?(params) || + User.following?(recipient, actor) defp extract_list(target) when is_binary(target), do: [target] defp extract_list(lst) when is_list(lst), do: lst @@ -76,8 +91,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do def maybe_splice_recipient(ap_id, params) do need_splice? = - !recipient_in_collection(ap_id, params["to"]) && - !recipient_in_collection(ap_id, params["cc"]) + !label_in_collection?(ap_id, params["to"]) && + !label_in_collection?(ap_id, params["cc"]) if need_splice? do cc_list = extract_list(params["cc"]) @@ -155,8 +170,11 @@ 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 do Pleroma.Web.Federator.publish(activity) end @@ -251,6 +269,16 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> Repo.one() end + @doc """ + Returns like activities targeting an object + """ + def get_object_likes(%{data: %{"id" => id}}) do + id + |> Activity.Queries.by_object_id() + |> Activity.Queries.by_type("Like") + |> Repo.all() + end + @spec make_like_data(User.t(), map(), String.t()) :: map() def make_like_data( %User{ap_id: ap_id} = actor, @@ -282,13 +310,23 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> maybe_put("id", activity_id) end - @spec update_element_in_object(String.t(), list(any), Object.t()) :: + def make_emoji_reaction_data(user, object, emoji, activity_id) do + make_like_data(user, object, activity_id) + |> Map.put("type", "EmojiReact") + |> Map.put("content", emoji) + end + + @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 = + count || + length(element) + data = Map.merge( object.data, - %{"#{property}_count" => length(element), "#{property}s" => element} + %{"#{property}_count" => length, "#{property}s" => element} ) object @@ -296,6 +334,69 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> Object.update_and_set_cache() end + @spec add_emoji_reaction_to_object(Activity.t(), Object.t()) :: + {:ok, Object.t()} | {:error, Ecto.Changeset.t()} + + def add_emoji_reaction_to_object( + %Activity{data: %{"content" => emoji, "actor" => actor}}, + object + ) do + 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 = get_cached_emoji_reactions(object) + + new_reactions = + 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 + + 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()) :: {:ok, Object.t()} | {:error, Ecto.Changeset.t()} def add_like_to_object(%Activity{data: %{"actor" => actor}}, object) do @@ -330,7 +431,7 @@ 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 @@ -343,22 +444,19 @@ 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 @@ -393,10 +491,32 @@ 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) + + "EmojiReact" + |> Activity.Queries.by_type() + |> where(actor: ^ap_id) + |> where([activity], fragment("?->>'content' = ?", activity.data, ^emoji)) + |> Activity.Queries.by_object_id(object_ap_id) + |> order_by([activity], fragment("? desc nulls last", activity.id)) + |> limit(1) + |> Repo.one() + end + #### 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 @@ -446,39 +566,19 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> 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 + def make_undo_data( + %User{ap_id: actor, follower_address: follower_address}, + %Activity{ + data: %{"id" => undone_activity_id, "context" => context}, + actor: undone_activity_actor + }, + activity_id \\ nil ) 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"]], + "actor" => actor, + "object" => undone_activity_id, + "to" => [follower_address, undone_activity_actor], "cc" => [Pleroma.Constants.as_public()], "context" => context } @@ -553,16 +653,6 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> 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) - end - #### Create-related helpers def make_create_data(params, additional) do @@ -611,56 +701,68 @@ defmodule Pleroma.Web.ActivityPub.Utils do def make_flag_data(_, _), do: %{} defp build_flag_object(%{account: account, statuses: statuses} = _) do - [account.ap_id] ++ - Enum.map(statuses || [], fn + [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(act) when is_map(act) or is_binary(act) do + id = + case act do %Activity{} = act -> act.data["id"] act when is_map(act) -> act["id"] act when is_binary(act) -> act - end) - end + end - defp build_flag_object(_), do: [] + case Activity.get_by_ap_id_with_object(id) do + %Activity{} = activity -> + %{ + "type" => "Note", + "id" => activity.data["id"], + "content" => activity.object.data["content"], + "published" => activity.object.data["published"], + "actor" => + AccountView.render("show.json", %{ + user: User.get_by_ap_id(activity.object.data["actor"]) + }) + } - @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 + _ -> + %{"id" => id, "deleted" => true} end end + defp build_flag_object(_), do: [] + #### Report-related helpers + def get_reports(params, page, page_size) do + params = + params + |> 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 + + def update_report_state(%Activity{} = activity, state) + when state in @strip_status_report_states do + {:ok, stripped_activity} = strip_report_status_data(activity) + + new_data = + activity.data + |> Map.put("state", state) + |> Map.put("object", stripped_activity.data["object"]) + + activity + |> Changeset.change(data: new_data) + |> Repo.update() + end def update_report_state(%Activity{} = activity, state) when state in @supported_report_states do new_data = Map.put(activity.data, "state", state) @@ -670,8 +772,34 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> Repo.update() end + def update_report_state(activity_ids, state) when state in @supported_report_states do + activities_num = length(activity_ids) + + from(a in Activity, where: a.id in ^activity_ids) + |> update(set: [data: fragment("jsonb_set(data, '{state}', ?)", ^state)]) + |> Repo.update_all([]) + |> case do + {^activities_num, _} -> :ok + _ -> {:error, activity_ids} + end + end + def update_report_state(_, _), do: {:error, "Unsupported state"} + def strip_report_status_data(activity) do + [actor | reported_activities] = activity.data["object"] + + 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}} + end + def update_activity_visibility(activity, visibility) when visibility in @valid_visibilities do [to, cc, recipients] = activity diff --git a/lib/pleroma/web/activity_pub/views/object_view.ex b/lib/pleroma/web/activity_pub/views/object_view.ex index d8a3ec288..e555e9999 100644 --- a/lib/pleroma/web/activity_pub/views/object_view.ex +++ b/lib/pleroma/web/activity_pub/views/object_view.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.ObjectView do diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex index 8c5b4460b..34590b16d 100644 --- a/lib/pleroma/web/activity_pub/views/user_view.ex +++ b/lib/pleroma/web/activity_pub/views/user_view.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.UserView do @@ -73,25 +73,17 @@ defmodule Pleroma.Web.ActivityPub.UserView do {:ok, _, public_key} = Keys.keys_from_pem(user.keys) public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key) public_key = :public_key.pem_encode([public_key]) + user = User.sanitize_html(user) endpoints = render("endpoints.json", %{user: user}) emoji_tags = Transmogrifier.take_emoji_tags(user) - fields = - user.info - |> User.Info.fields() - |> Enum.map(fn %{"name" => name, "value" => value} -> - %{ - "name" => Pleroma.HTML.strip_tags(name), - "value" => Pleroma.HTML.filter_tags(value, Pleroma.HTML.Scrubber.LinksOnly) - } - end) - |> Enum.map(&Map.put(&1, "type", "PropertyValue")) + fields = Enum.map(user.fields, &Map.put(&1, "type", "PropertyValue")) %{ "id" => user.ap_id, - "type" => "Person", + "type" => user.actor_type, "following" => "#{user.ap_id}/following", "followers" => "#{user.ap_id}/followers", "inbox" => "#{user.ap_id}/inbox", @@ -100,7 +92,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do "name" => user.name, "summary" => user.bio, "url" => user.ap_id, - "manuallyApprovesFollowers" => user.info.locked, + "manuallyApprovesFollowers" => user.locked, "publicKey" => %{ "id" => "#{user.ap_id}#main-key", "owner" => user.ap_id, @@ -108,8 +100,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do }, "endpoints" => endpoints, "attachment" => fields, - "tag" => (user.info.source_data["tag"] || []) ++ emoji_tags, - "discoverable" => user.info.discoverable + "tag" => emoji_tags, + "discoverable" => user.discoverable } |> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user)) |> Map.merge(maybe_make_image(&User.banner_url/2, "image", user)) @@ -117,8 +109,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do end def render("following.json", %{user: user, page: page} = opts) do - showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_follows - showing_count = showing_items || !user.info.hide_follows_count + showing_items = (opts[:for] && opts[:for] == user) || !user.hide_follows + showing_count = showing_items || !user.hide_follows_count query = User.get_friends_query(user) query = from(user in query, select: [:ap_id]) @@ -136,8 +128,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do end def render("following.json", %{user: user} = opts) do - showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_follows - showing_count = showing_items || !user.info.hide_follows_count + showing_items = (opts[:for] && opts[:for] == user) || !user.hide_follows + showing_count = showing_items || !user.hide_follows_count query = User.get_friends_query(user) query = from(user in query, select: [:ap_id]) @@ -156,7 +148,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do "totalItems" => total, "first" => if showing_items do - collection(following, "#{user.ap_id}/following", 1, !user.info.hide_follows) + collection(following, "#{user.ap_id}/following", 1, !user.hide_follows) else "#{user.ap_id}/following?page=1" end @@ -165,8 +157,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do end def render("followers.json", %{user: user, page: page} = opts) do - showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_followers - showing_count = showing_items || !user.info.hide_followers_count + showing_items = (opts[:for] && opts[:for] == user) || !user.hide_followers + showing_count = showing_items || !user.hide_followers_count query = User.get_followers_query(user) query = from(user in query, select: [:ap_id]) @@ -184,8 +176,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do end def render("followers.json", %{user: user} = opts) do - showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_followers - showing_count = showing_items || !user.info.hide_followers_count + showing_items = (opts[:for] && opts[:for] == user) || !user.hide_followers + showing_count = showing_items || !user.hide_followers_count query = User.get_followers_query(user) query = from(user in query, select: [:ap_id]) @@ -201,7 +193,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do %{ "id" => "#{user.ap_id}/followers", "type" => "OrderedCollection", - "totalItems" => total, "first" => if showing_items do collection(followers, "#{user.ap_id}/followers", 1, showing_items, total) @@ -209,6 +200,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do "#{user.ap_id}/followers?page=1" end } + |> maybe_put_total_items(showing_count, total) |> Map.merge(Utils.make_json_ld_header()) end @@ -251,6 +243,12 @@ defmodule Pleroma.Web.ActivityPub.UserView do |> Map.merge(Utils.make_json_ld_header()) end + defp maybe_put_total_items(map, false, _total), do: map + + defp maybe_put_total_items(map, true, total) do + Map.put(map, "totalItems", total) + end + def collection(collection, iri, page, show_items \\ true, total \\ nil) do offset = (page - 1) * 10 items = Enum.slice(collection, offset, 10) diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex index 270d0fa02..453a6842e 100644 --- a/lib/pleroma/web/activity_pub/visibility.ex +++ b/lib/pleroma/web/activity_pub/visibility.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.Visibility do @@ -7,15 +7,17 @@ defmodule Pleroma.Web.ActivityPub.Visibility do alias Pleroma.Object alias Pleroma.Repo alias Pleroma.User + alias Pleroma.Web.ActivityPub.Utils require Pleroma.Constants @spec is_public?(Object.t() | Activity.t() | map()) :: boolean() def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false def is_public?(%Object{data: data}), do: is_public?(data) + def is_public?(%Activity{data: %{"type" => "Move"}}), do: true def is_public?(%Activity{data: data}), do: is_public?(data) def is_public?(%{"directMessage" => true}), do: false - def is_public?(data), do: Pleroma.Constants.as_public() in (data["to"] ++ (data["cc"] || [])) + def is_public?(data), do: Utils.label_in_message?(Pleroma.Constants.as_public(), data) def is_private?(activity) do with false <- is_public?(activity), @@ -42,6 +44,7 @@ defmodule Pleroma.Web.ActivityPub.Visibility do def is_list?(%{data: %{"listMessage" => _}}), do: true def is_list?(_), do: false + @spec visible_for_user?(Activity.t(), User.t() | nil) :: boolean() def visible_for_user?(%{actor: ap_id}, %User{ap_id: ap_id}), do: true def visible_for_user?(%{data: %{"listMessage" => list_ap_id}} = activity, %User{} = user) do @@ -53,14 +56,21 @@ defmodule Pleroma.Web.ActivityPub.Visibility do def visible_for_user?(%{data: %{"listMessage" => _}}, nil), do: false - def visible_for_user?(activity, nil) do - is_public?(activity) + def visible_for_user?(%{local: local} = activity, nil) do + cfg_key = + if local, + do: :local, + else: :remote + + if Pleroma.Config.get([:restrict_unauthenticated, :activities, cfg_key]), + do: false, + else: is_public?(activity) end def visible_for_user?(activity, user) do - x = [user.ap_id | user.following] + x = [user.ap_id | User.following(user)] y = [activity.actor] ++ activity.data["to"] ++ (activity.data["cc"] || []) - visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y)) + is_public?(activity) || Enum.any?(x, &(&1 in y)) end def entire_thread_visible_for_user?(%Activity{} = activity, %User{} = user) do |