diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub')
21 files changed, 643 insertions, 252 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index 604ffae7b..45feae25a 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -4,7 +4,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.Activity - alias Pleroma.Instances + alias Pleroma.Conversation alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Object.Fetcher @@ -14,7 +14,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.User alias Pleroma.Web.ActivityPub.MRF alias Pleroma.Web.ActivityPub.Transmogrifier - alias Pleroma.Web.Federator alias Pleroma.Web.WebFinger import Ecto.Query @@ -23,8 +22,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do require Logger - @httpoison Application.get_env(:pleroma, :httpoison) - # For Announce activities, we filter the recipients based on following status for any actors # that match actual users. See issue #164 for more information about why this is necessary. defp get_recipients(%{"type" => "Announce"} = data) do @@ -111,6 +108,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def decrease_replies_count_if_reply(_object), do: :noop + def increase_poll_votes_if_vote(%{ + "object" => %{"inReplyTo" => reply_ap_id, "name" => name}, + "type" => "Create" + }) do + Object.increase_vote_count(reply_ap_id, name) + end + + def increase_poll_votes_if_vote(_create_data), do: :noop + def insert(map, local \\ true, fake \\ false) when is_map(map) do with nil <- Activity.normalize(map), map <- lazy_put_activity_defaults(map, fake), @@ -136,12 +142,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do activity end - Task.start(fn -> - Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) - end) + PleromaJobQueue.enqueue(:background, Pleroma.Web.RichMedia.Helpers, [:fetch, activity]) Notification.create_notifications(activity) + + participations = + activity + |> Conversation.create_or_bump_for() + |> get_participations() + stream_out(activity) + stream_out_participations(participations) {:ok, activity} else %Activity{} = activity -> @@ -164,42 +175,59 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end + defp get_participations({:ok, %{participations: participations}}), do: participations + defp get_participations(_), do: [] + + def stream_out_participations(participations) do + participations = + participations + |> Repo.preload(:user) + + Enum.each(participations, fn participation -> + Pleroma.Web.Streamer.stream("participation", participation) + end) + end + def stream_out(activity) do public = "https://www.w3.org/ns/activitystreams#Public" if activity.data["type"] in ["Create", "Announce", "Delete"] do object = Object.normalize(activity) - Pleroma.Web.Streamer.stream("user", activity) - Pleroma.Web.Streamer.stream("list", activity) + # Do not stream out poll replies + unless object.data["type"] == "Answer" do + Pleroma.Web.Streamer.stream("user", activity) + Pleroma.Web.Streamer.stream("list", activity) - if Enum.member?(activity.data["to"], public) do - Pleroma.Web.Streamer.stream("public", activity) + if Enum.member?(activity.data["to"], public) do + Pleroma.Web.Streamer.stream("public", activity) - if activity.local do - Pleroma.Web.Streamer.stream("public:local", activity) - end + if activity.local do + Pleroma.Web.Streamer.stream("public:local", activity) + end - if activity.data["type"] in ["Create"] do - object.data - |> Map.get("tag", []) - |> Enum.filter(fn tag -> is_bitstring(tag) end) - |> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end) + if activity.data["type"] in ["Create"] do + object.data + |> Map.get("tag", []) + |> Enum.filter(fn tag -> is_bitstring(tag) end) + |> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end) - if object.data["attachment"] != [] do - Pleroma.Web.Streamer.stream("public:media", activity) + if object.data["attachment"] != [] do + Pleroma.Web.Streamer.stream("public:media", activity) - if activity.local do - Pleroma.Web.Streamer.stream("public:local:media", activity) + if activity.local do + Pleroma.Web.Streamer.stream("public:local:media", activity) + end end end + else + # TODO: Write test, replace with visibility test + if !Enum.member?(activity.data["cc"] || [], public) && + !Enum.member?( + activity.data["to"], + User.get_cached_by_ap_id(activity.data["actor"]).follower_address + ), + do: Pleroma.Web.Streamer.stream("direct", activity) end - else - if !Enum.member?(activity.data["cc"] || [], public) && - !Enum.member?( - activity.data["to"], - User.get_cached_by_ap_id(activity.data["actor"]).follower_address - ), - do: Pleroma.Web.Streamer.stream("direct", activity) end end end @@ -218,6 +246,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do {:ok, activity} <- insert(create_data, local, fake), {:fake, false, activity} <- {:fake, fake, activity}, _ <- increase_replies_count_if_reply(create_data), + _ <- increase_poll_votes_if_vote(create_data), # 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), @@ -382,16 +411,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end def block(blocker, blocked, activity_id \\ nil, local \\ true) do - ap_config = Application.get_env(:pleroma, :activitypub) - unfollow_blocked = Keyword.get(ap_config, :unfollow_blocked) - outgoing_blocks = Keyword.get(ap_config, :outgoing_blocks) + outgoing_blocks = Pleroma.Config.get([:activitypub, :outgoing_blocks]) + unfollow_blocked = Pleroma.Config.get([:activitypub, :unfollow_blocked]) - with true <- unfollow_blocked do + if unfollow_blocked do follow_activity = fetch_latest_follow(blocker, blocked) - - if follow_activity do - unfollow(blocker, blocked, nil, local) - end + if follow_activity, do: unfollow(blocker, blocked, nil, local) end with true <- outgoing_blocks, @@ -456,35 +481,45 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - def fetch_activities_for_context(context, opts \\ %{}) do + defp fetch_activities_for_context_query(context, opts) do public = ["https://www.w3.org/ns/activitystreams#Public"] recipients = if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public - query = from(activity in Activity) - - query = - query - |> restrict_blocked(opts) - |> restrict_recipients(recipients, opts["user"]) - - query = - from( - activity in query, - where: - fragment( - "?->>'type' = ? and ?->>'context' = ?", - activity.data, - "Create", - activity.data, - ^context - ), - order_by: [desc: :id] + from(activity in Activity) + |> maybe_preload_objects(opts) + |> restrict_blocked(opts) + |> restrict_recipients(recipients, opts["user"]) + |> where( + [activity], + fragment( + "?->>'type' = ? and ?->>'context' = ?", + activity.data, + "Create", + activity.data, + ^context ) - |> Activity.with_preloaded_object() + ) + |> exclude_poll_votes(opts) + |> order_by([activity], desc: activity.id) + end + + @spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()] + def fetch_activities_for_context(context, opts \\ %{}) do + context + |> fetch_activities_for_context_query(opts) + |> Repo.all() + end - Repo.all(query) + @spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) :: + Pleroma.FlakeId.t() | nil + def fetch_latest_activity_id_for_context(context, opts \\ %{}) do + context + |> fetch_activities_for_context_query(Map.merge(%{"skip_preload" => true}, opts)) + |> limit(1) + |> select([a], a.id) + |> Repo.one() end def fetch_public_activities(opts \\ %{}) do @@ -514,8 +549,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do ) ) - Ecto.Adapters.SQL.to_sql(:all, Repo, query) - query else Logger.error("Could not restrict visibility to #{visibility}") @@ -531,8 +564,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility) ) - Ecto.Adapters.SQL.to_sql(:all, Repo, query) - query end @@ -543,6 +574,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_visibility(query, _visibility), do: query + defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}) do + query = + from( + a in query, + where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data) + ) + + query + end + + defp restrict_thread_visibility(query, _), do: query + def fetch_user_activities(user, reading_user, params \\ %{}) do params = params @@ -619,20 +662,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_tag(query, _), do: query - defp restrict_to_cc(query, recipients_to, recipients_cc) do - from( - activity in query, - where: - fragment( - "(?->'to' \\?| ?) or (?->'cc' \\?| ?)", - activity.data, - ^recipients_to, - activity.data, - ^recipients_cc - ) - ) - end - defp restrict_recipients(query, [], _user), do: query defp restrict_recipients(query, recipients, nil) do @@ -669,6 +698,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_type(query, _), do: query + defp restrict_state(query, %{"state" => state}) do + from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state)) + end + + defp restrict_state(query, _), do: query + defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do from( activity in query, @@ -724,8 +759,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do blocks = info.blocks || [] domain_blocks = info.domain_blocks || [] + query = + if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query) + from( - activity in query, + [activity, object: o] in query, where: fragment("not (? = ANY(?))", activity.actor, ^blocks), where: fragment("not (? && ?)", activity.recipients, ^blocks), where: @@ -735,7 +773,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do activity.data, ^blocks ), - where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks) + where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks), + where: fragment("not (split_part(?->>'actor', '/', 3) = ANY(?))", o.data, ^domain_blocks) ) end @@ -776,6 +815,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_muted_reblogs(query, _), do: query + defp exclude_poll_votes(query, %{"include_poll_votes" => "true"}), do: query + + defp exclude_poll_votes(query, _) do + if has_named_binding?(query, :object) do + from([activity, object: o] in query, + where: fragment("not(?->>'type' = ?)", o.data, "Answer") + ) + else + query + end + end + defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query defp maybe_preload_objects(query, _) do @@ -783,11 +834,40 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Activity.with_preloaded_object() end + defp maybe_preload_bookmarks(query, %{"skip_preload" => true}), do: query + + defp maybe_preload_bookmarks(query, opts) do + query + |> Activity.with_preloaded_bookmark(opts["user"]) + end + + defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query + + defp maybe_set_thread_muted_field(query, opts) do + query + |> Activity.with_set_thread_muted_field(opts["user"]) + end + + defp maybe_order(query, %{order: :desc}) do + query + |> order_by(desc: :id) + end + + defp maybe_order(query, %{order: :asc}) do + query + |> order_by(asc: :id) + end + + defp maybe_order(query, _), do: query + def fetch_activities_query(recipients, opts \\ %{}) do base_query = from(activity in Activity) base_query |> maybe_preload_objects(opts) + |> maybe_preload_bookmarks(opts) + |> maybe_set_thread_muted_field(opts) + |> maybe_order(opts) |> restrict_recipients(recipients, opts["user"]) |> restrict_tag(opts) |> restrict_tag_reject(opts) @@ -796,15 +876,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> restrict_local(opts) |> restrict_actor(opts) |> restrict_type(opts) + |> restrict_state(opts) |> restrict_favorited_by(opts) |> restrict_blocked(opts) |> restrict_muted(opts) |> restrict_media(opts) |> restrict_visibility(opts) + |> restrict_thread_visibility(opts) |> restrict_replies(opts) |> restrict_reblogs(opts) |> restrict_pinned(opts) |> restrict_muted_reblogs(opts) + |> Activity.restrict_deactivated_users() + |> exclude_poll_votes(opts) end def fetch_activities(recipients, opts \\ %{}) do @@ -813,9 +897,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Enum.reverse() end - def fetch_activities_bounded(recipients_to, recipients_cc, opts \\ %{}) do + def fetch_activities_bounded_query(query, recipients, recipients_with_public) do + from(activity in query, + where: + fragment("? && ?", activity.recipients, ^recipients) or + (fragment("? && ?", activity.recipients, ^recipients_with_public) and + "https://www.w3.org/ns/activitystreams#Public" in activity.recipients) + ) + end + + def fetch_activities_bounded(recipients, recipients_with_public, opts \\ %{}) do fetch_activities_query([], opts) - |> restrict_to_cc(recipients_to, recipients_cc) + |> fetch_activities_bounded_query(recipients, recipients_with_public) |> Pagination.fetch_paginated(opts) |> Enum.reverse() end @@ -833,7 +926,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - def user_data_from_user_object(data) do + defp object_to_user_data(data) do avatar = data["icon"]["url"] && %{ @@ -880,9 +973,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do {:ok, user_data} end + def user_data_from_user_object(data) do + with {:ok, data} <- MRF.filter(data), + {:ok, data} <- object_to_user_data(data) do + {:ok, data} + else + e -> {:error, e} + end + end + def fetch_and_prepare_user_from_ap_id(ap_id) do - with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id) do - user_data_from_user_object(data) + with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id), + {:ok, data} <- user_data_from_user_object(data) do + {:ok, data} else e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}") end @@ -908,89 +1011,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - def should_federate?(inbox, public) do - if public do - true - else - inbox_info = URI.parse(inbox) - !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host) - end - end - - def publish(actor, activity) do - remote_followers = - if actor.follower_address in activity.recipients do - {:ok, followers} = User.get_followers(actor) - followers |> Enum.filter(&(!&1.local)) - else - [] - end - - public = is_public?(activity) - - {:ok, data} = Transmogrifier.prepare_outgoing(activity.data) - json = Jason.encode!(data) - - (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers) - |> Enum.filter(fn user -> User.ap_enabled?(user) end) - |> Enum.map(fn %{info: %{source_data: data}} -> - (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] - end) - |> Enum.uniq() - |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) - |> Instances.filter_reachable() - |> Enum.each(fn {inbox, unreachable_since} -> - Federator.publish_single_ap(%{ - inbox: inbox, - json: json, - actor: actor, - id: activity.data["id"], - unreachable_since: unreachable_since - }) - end) - end - - def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do - Logger.info("Federating #{id} to #{inbox}") - host = URI.parse(inbox).host - - digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) - - date = - NaiveDateTime.utc_now() - |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT") - - signature = - Pleroma.Web.HTTPSignatures.sign(actor, %{ - host: host, - "content-length": byte_size(json), - digest: digest, - date: date - }) - - with {:ok, %{status: code}} when code in 200..299 <- - result = - @httpoison.post( - inbox, - json, - [ - {"Content-Type", "application/activity+json"}, - {"Date", date}, - {"signature", signature}, - {"digest", digest} - ] - ) do - if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since], - do: Instances.set_reachable(inbox) - - result - else - {_post_result, response} -> - unless params[:unreachable_since], do: Instances.set_unreachable(inbox) - {:error, response} - end - end - # filter out broken threads def contain_broken_threads(%Activity{} = activity, %User{} = user) do entire_thread_visible_for_user?(activity, user) @@ -1001,11 +1021,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do contain_broken_threads(activity, user) end - # do post-processing on a timeline - def contain_timeline(timeline, user) do - timeline - |> Enum.filter(fn activity -> - contain_activity(activity, user) - end) + def fetch_direct_messages_query do + Activity + |> restrict_type(%{"type" => "Create"}) + |> restrict_visibility(%{visibility: "direct"}) + |> order_by([activity], asc: activity.id) end end diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex index 0b80566bf..0182bda46 100644 --- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex +++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex @@ -27,7 +27,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do plug(:relay_active? when action in [:relay]) def relay_active?(conn, _) do - if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do + if Pleroma.Config.get([:instance, :allow_relay]) do conn else conn @@ -39,7 +39,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def user(conn, %{"nickname" => nickname}) do with %User{} = user <- User.get_cached_by_nickname(nickname), - {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do + {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_header("content-type", "application/activity+json") |> json(UserView.render("user.json", %{user: user})) @@ -106,7 +106,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def following(conn, %{"nickname" => nickname, "page" => page}) do with %User{} = user <- User.get_cached_by_nickname(nickname), - {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do + {:ok, user} <- User.ensure_keys_present(user) do {page, _} = Integer.parse(page) conn @@ -117,7 +117,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def following(conn, %{"nickname" => nickname}) do with %User{} = user <- User.get_cached_by_nickname(nickname), - {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do + {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_header("content-type", "application/activity+json") |> json(UserView.render("following.json", %{user: user})) @@ -126,7 +126,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def followers(conn, %{"nickname" => nickname, "page" => page}) do with %User{} = user <- User.get_cached_by_nickname(nickname), - {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do + {:ok, user} <- User.ensure_keys_present(user) do {page, _} = Integer.parse(page) conn @@ -137,7 +137,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def followers(conn, %{"nickname" => nickname}) do with %User{} = user <- User.get_cached_by_nickname(nickname), - {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do + {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_header("content-type", "application/activity+json") |> json(UserView.render("followers.json", %{user: user})) @@ -146,7 +146,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def outbox(conn, %{"nickname" => nickname} = params) do with %User{} = user <- User.get_cached_by_nickname(nickname), - {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do + {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_header("content-type", "application/activity+json") |> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]})) @@ -155,7 +155,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def inbox(%{assigns: %{valid_signature: true}} = conn, %{"nickname" => nickname} = params) do with %User{} = recipient <- User.get_cached_by_nickname(nickname), - %User{} = actor <- User.get_or_fetch_by_ap_id(params["actor"]), + {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(params["actor"]), true <- Utils.recipient_in_message(recipient, actor, params), params <- Utils.maybe_splice_recipient(recipient.ap_id, params) do Federator.incoming_ap_doc(params) @@ -195,7 +195,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do def relay(conn, _params) do with %User{} = user <- Relay.get_actor(), - {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do + {:ok, user} <- User.ensure_keys_present(user) do conn |> put_resp_header("content-type", "application/activity+json") |> json(UserView.render("user.json", %{user: user})) diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex index 1aaa20050..3bf7955f3 100644 --- a/lib/pleroma/web/activity_pub/mrf.ex +++ b/lib/pleroma/web/activity_pub/mrf.ex @@ -17,9 +17,7 @@ defmodule Pleroma.Web.ActivityPub.MRF do end def get_policies do - Application.get_env(:pleroma, :instance, []) - |> Keyword.get(:rewrite_policy, []) - |> get_policies() + Pleroma.Config.get([:instance, :rewrite_policy], []) |> get_policies() end defp get_policies(policy) when is_atom(policy), do: [policy] 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 34665a3a6..87fa514c3 100644 --- a/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex @@ -5,6 +5,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicy do alias Pleroma.User + @moduledoc "Prevent followbots from following with a bit of heuristic" + @behaviour Pleroma.Web.ActivityPub.MRF # XXX: this should become User.normalize_by_ap_id() or similar, really. diff --git a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex index a93ccf386..b8d38aae6 100644 --- a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex @@ -4,6 +4,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.DropPolicy do require Logger + @moduledoc "Drop and log everything received" @behaviour Pleroma.Web.ActivityPub.MRF @impl true 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 895376c9d..15d8514be 100644 --- a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex +++ b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex @@ -5,6 +5,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do alias Pleroma.Object + @moduledoc "Ensure a re: is prepended on replies to a post with a Subject" @behaviour Pleroma.Web.ActivityPub.MRF @reply_prefix Regex.compile!("^re:[[:space:]]*", [:caseless]) diff --git a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex index 6736f3cb9..a699f6a7e 100644 --- a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex @@ -4,6 +4,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do alias Pleroma.User + @moduledoc "Block messages with too much mentions (configurable)" + @behaviour Pleroma.Web.ActivityPub.MRF defp delist_message(message, threshold) when threshold > 0 do diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex index e8dfba672..d5c341433 100644 --- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex @@ -3,6 +3,8 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do + @moduledoc "Reject or Word-Replace messages with a keyword or regex" + @behaviour Pleroma.Web.ActivityPub.MRF defp string_matches?(string, _) when not is_binary(string) do false 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 081456046..f30fee0d5 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 @@ -3,6 +3,7 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.NoPlaceholderTextPolicy do + @moduledoc "Ensure no content placeholder is present (such as the dot from mastodon)" @behaviour Pleroma.Web.ActivityPub.MRF @impl true diff --git a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex index 40f37bdb1..c47cb3298 100644 --- a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex @@ -3,6 +3,7 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.NoOpPolicy do + @moduledoc "Does nothing (lets the messages go through unmodified)" @behaviour Pleroma.Web.ActivityPub.MRF @impl true diff --git a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex index 3d13cdb32..9c87c6963 100644 --- a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex +++ b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex @@ -3,6 +3,7 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.NormalizeMarkup do + @moduledoc "Scrub configured hypertext markup" alias Pleroma.HTML @behaviour Pleroma.Web.ActivityPub.MRF 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 4197be847..ea3df1b4d 100644 --- a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex +++ b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex @@ -4,6 +4,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do alias Pleroma.User + @moduledoc "Rejects non-public (followers-only, direct) activities" @behaviour Pleroma.Web.ActivityPub.MRF @impl true diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex index 798ba9687..433d23c5f 100644 --- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex @@ -4,6 +4,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do alias Pleroma.User + @moduledoc "Filter activities depending on their origin instance" @behaviour Pleroma.Web.ActivityPub.MRF defp check_accept(%{host: actor_host} = _actor_info, object) do @@ -47,14 +48,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do %{host: actor_host} = _actor_info, %{ "type" => "Create", - "object" => %{"attachment" => child_attachment} = child_object + "object" => child_object } = object - ) - when length(child_attachment) > 0 do + ) do object = if Enum.member?(Pleroma.Config.get([:mrf_simple, :media_nsfw]), actor_host) do tags = (child_object["tag"] || []) ++ ["nsfw"] - child_object = Map.put(child_object, "tags", tags) + child_object = Map.put(child_object, "tag", tags) child_object = Map.put(child_object, "sensitive", true) Map.put(object, "object", child_object) else @@ -74,8 +74,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do actor_host ), user <- User.get_cached_by_ap_id(object["actor"]), - true <- "https://www.w3.org/ns/activitystreams#Public" in object["to"], - true <- user.follower_address in object["cc"] do + true <- "https://www.w3.org/ns/activitystreams#Public" in object["to"] do to = List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++ [user.follower_address] @@ -94,18 +93,63 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do {:ok, object} end + defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do + if actor_host in Pleroma.Config.get([:mrf_simple, :report_removal]) do + {:reject, nil} + else + {:ok, object} + end + end + + defp check_report_removal(_actor_info, object), do: {:ok, object} + + defp check_avatar_removal(%{host: actor_host} = _actor_info, %{"icon" => _icon} = object) do + if actor_host in Pleroma.Config.get([:mrf_simple, :avatar_removal]) do + {:ok, Map.delete(object, "icon")} + else + {:ok, object} + end + end + + defp check_avatar_removal(_actor_info, object), do: {:ok, object} + + defp check_banner_removal(%{host: actor_host} = _actor_info, %{"image" => _image} = object) do + if actor_host in Pleroma.Config.get([:mrf_simple, :banner_removal]) do + {:ok, Map.delete(object, "image")} + else + {:ok, object} + end + end + + defp check_banner_removal(_actor_info, object), do: {:ok, object} + @impl true - def filter(object) do - actor_info = URI.parse(object["actor"]) + def filter(%{"actor" => actor} = object) do + actor_info = URI.parse(actor) with {:ok, object} <- check_accept(actor_info, object), {:ok, object} <- check_reject(actor_info, object), {:ok, object} <- check_media_removal(actor_info, object), {:ok, object} <- check_media_nsfw(actor_info, object), - {:ok, object} <- check_ftl_removal(actor_info, object) do + {:ok, object} <- check_ftl_removal(actor_info, object), + {:ok, object} <- check_report_removal(actor_info, object) do + {:ok, object} + else + _e -> {:reject, nil} + end + end + + def filter(%{"id" => actor, "type" => obj_type} = object) + when obj_type in ["Application", "Group", "Organization", "Person", "Service"] do + actor_info = URI.parse(actor) + + with {:ok, object} <- check_avatar_removal(actor_info, object), + {:ok, object} <- check_banner_removal(actor_info, object) do {:ok, object} else _e -> {:reject, nil} end end + + def filter(object), do: {:ok, object} end diff --git a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex index b242e44e6..6683b8d8e 100644 --- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex @@ -5,6 +5,19 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do alias Pleroma.User @behaviour Pleroma.Web.ActivityPub.MRF + @moduledoc """ + Apply policies based on user tags + + This policy applies policies on a user activities depending on their tags + on your instance. + + - `mrf_tag:media-force-nsfw`: Mark as sensitive on presence of attachments + - `mrf_tag:media-strip`: Remove attachments + - `mrf_tag:force-unlisted`: Mark as unlisted (removes from the federated timeline) + - `mrf_tag:sandbox`: Remove from public (local and federated) timelines + - `mrf_tag:disable-remote-subscription`: Reject non-local follow requests + - `mrf_tag:disable-any-subscription`: Reject any follow requests + """ defp get_tags(%User{tags: tags}) when is_list(tags), do: tags defp get_tags(_), do: [] @@ -18,7 +31,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do object = object - |> Map.put("tags", tags) + |> Map.put("tag", tags) |> Map.put("sensitive", true) message = Map.put(message, "object", object) diff --git a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex index a3b1f8aa0..47663414a 100644 --- a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex +++ b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex @@ -5,6 +5,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicy do alias Pleroma.Config + @moduledoc "Accept-list of users from specified instances" @behaviour Pleroma.Web.ActivityPub.MRF defp filter_by_list(object, []), do: {:ok, object} @@ -18,10 +19,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicy do end @impl true - def filter(object) do - actor_info = URI.parse(object["actor"]) + def filter(%{"actor" => actor} = object) do + actor_info = URI.parse(actor) allow_list = Config.get([:mrf_user_allowlist, String.to_atom(actor_info.host)], []) filter_by_list(object, allow_list) end + + def filter(object), do: {:ok, object} end diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex new file mode 100644 index 000000000..8f1399ce6 --- /dev/null +++ b/lib/pleroma/web/activity_pub/publisher.ex @@ -0,0 +1,151 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.Publisher do + alias Pleroma.Activity + alias Pleroma.Config + alias Pleroma.HTTP + alias Pleroma.Instances + alias Pleroma.User + alias Pleroma.Web.ActivityPub.Relay + alias Pleroma.Web.ActivityPub.Transmogrifier + + import Pleroma.Web.ActivityPub.Visibility + + @behaviour Pleroma.Web.Federator.Publisher + + require Logger + + @moduledoc """ + ActivityPub outgoing federation module. + """ + + @doc """ + Determine if an activity can be represented by running it through Transmogrifier. + """ + def is_representable?(%Activity{} = activity) do + with {:ok, _data} <- Transmogrifier.prepare_outgoing(activity.data) do + true + else + _e -> + false + end + end + + @doc """ + Publish a single message to a peer. Takes a struct with the following + parameters set: + + * `inbox`: the inbox to publish to + * `json`: the JSON message body representing the ActivityPub message + * `actor`: the actor which is signing the message + * `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}") + host = URI.parse(inbox).host + + digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) + + date = + NaiveDateTime.utc_now() + |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT") + + signature = + Pleroma.Signature.sign(actor, %{ + host: host, + "content-length": byte_size(json), + digest: digest, + date: date + }) + + with {:ok, %{status: code}} when code in 200..299 <- + result = + HTTP.post( + inbox, + json, + [ + {"Content-Type", "application/activity+json"}, + {"Date", date}, + {"signature", signature}, + {"digest", digest} + ] + ) do + if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since], + do: Instances.set_reachable(inbox) + + result + else + {_post_result, response} -> + unless params[:unreachable_since], do: Instances.set_unreachable(inbox) + {:error, response} + end + end + + defp should_federate?(inbox, public) do + if public do + true + else + inbox_info = URI.parse(inbox) + !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host) + end + end + + @doc """ + Publishes an activity to all relevant peers. + """ + def publish(%User{} = actor, %Activity{} = activity) do + remote_followers = + if actor.follower_address in activity.recipients do + {:ok, followers} = User.get_followers(actor) + followers |> Enum.filter(&(!&1.local)) + else + [] + end + + public = is_public?(activity) + + if public && Config.get([:instance, :allow_relay]) do + Logger.info(fn -> "Relaying #{activity.data["id"]} out" end) + Relay.publish(activity) + end + + {:ok, data} = Transmogrifier.prepare_outgoing(activity.data) + json = Jason.encode!(data) + + (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers) + |> Enum.filter(fn user -> User.ap_enabled?(user) end) + |> Enum.map(fn %{info: %{source_data: data}} -> + (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] + end) + |> Enum.uniq() + |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) + |> Instances.filter_reachable() + |> Enum.each(fn {inbox, unreachable_since} -> + Pleroma.Web.Federator.Publisher.enqueue_one( + __MODULE__, + %{ + inbox: inbox, + json: json, + actor: actor, + id: activity.data["id"], + unreachable_since: unreachable_since + } + ) + end) + end + + def gather_webfinger_links(%User{} = user) do + [ + %{"rel" => "self", "type" => "application/activity+json", "href" => user.ap_id}, + %{ + "rel" => "self", + "type" => "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"", + "href" => user.ap_id + } + ] + end + + def gather_nodeinfo_protocol_names, do: ["activitypub"] +end diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex index a7a20ca37..93808517b 100644 --- a/lib/pleroma/web/activity_pub/relay.ex +++ b/lib/pleroma/web/activity_pub/relay.ex @@ -15,7 +15,7 @@ defmodule Pleroma.Web.ActivityPub.Relay do def follow(target_instance) do with %User{} = local_user <- get_actor(), - %User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance), + {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance), {:ok, activity} <- ActivityPub.follow(local_user, target_user) do Logger.info("relay: followed instance: #{target_instance}; id=#{activity.data["id"]}") {:ok, activity} @@ -28,7 +28,7 @@ defmodule Pleroma.Web.ActivityPub.Relay do def unfollow(target_instance) do with %User{} = local_user <- get_actor(), - %User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance), + {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance), {:ok, activity} <- ActivityPub.unfollow(local_user, target_user) do Logger.info("relay: unfollowed instance: #{target_instance}: id=#{activity.data["id"]}") {:ok, activity} diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index b1e859d7c..66fa7c0b3 100644 --- a/lib/pleroma/web/activity_pub/transmogrifier.ex +++ b/lib/pleroma/web/activity_pub/transmogrifier.ex @@ -11,7 +11,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do alias Pleroma.Object.Containment alias Pleroma.Repo alias Pleroma.User - alias Pleroma.User alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.ActivityPub.Visibility @@ -36,6 +35,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> fix_likes |> fix_addressing |> fix_summary + |> fix_type end def fix_summary(%{"summary" => nil} = object) do @@ -66,7 +66,11 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end end - def fix_explicit_addressing(%{"to" => to, "cc" => cc} = object, explicit_mentions) do + def fix_explicit_addressing( + %{"to" => to, "cc" => cc} = object, + explicit_mentions, + follower_collection + ) do explicit_to = to |> Enum.filter(fn x -> x in explicit_mentions end) @@ -77,6 +81,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do final_cc = (cc ++ explicit_cc) + |> Enum.reject(fn x -> String.ends_with?(x, "/followers") and x != follower_collection end) |> Enum.uniq() object @@ -84,7 +89,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> Map.put("cc", final_cc) end - def fix_explicit_addressing(object, _explicit_mentions), do: object + def fix_explicit_addressing(object, _explicit_mentions, _followers_collection), do: object # if directMessage flag is set to true, leave the addressing alone def fix_explicit_addressing(%{"directMessage" => true} = object), do: object @@ -94,10 +99,12 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do object |> Utils.determine_explicit_mentions() - explicit_mentions = explicit_mentions ++ ["https://www.w3.org/ns/activitystreams#Public"] + follower_collection = User.get_cached_by_ap_id(Containment.get_actor(object)).follower_address - object - |> fix_explicit_addressing(explicit_mentions) + explicit_mentions = + explicit_mentions ++ ["https://www.w3.org/ns/activitystreams#Public", follower_collection] + + fix_explicit_addressing(object, explicit_mentions, follower_collection) end # if as:Public is addressed, then make sure the followers collection is also addressed @@ -126,7 +133,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def fix_implicit_addressing(object, _), do: object def fix_addressing(object) do - %User{} = user = User.get_or_fetch_by_ap_id(object["actor"]) + {:ok, %User{} = user} = User.get_or_fetch_by_ap_id(object["actor"]) followers_collection = User.ap_followers(user) object @@ -134,7 +141,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> fix_addressing_list("cc") |> fix_addressing_list("bto") |> fix_addressing_list("bcc") - |> fix_explicit_addressing + |> fix_explicit_addressing() |> fix_implicit_addressing(followers_collection) end @@ -329,6 +336,18 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def fix_content_map(object), do: object + def fix_type(%{"inReplyTo" => reply_id} = object) when is_binary(reply_id) do + reply = Object.normalize(reply_id) + + if reply.data["type"] == "Question" and object["name"] do + Map.put(object, "type", "Answer") + else + object + end + end + + def fix_type(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), @@ -399,7 +418,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do # - tags # - emoji def handle_incoming(%{"type" => "Create", "object" => %{"type" => objtype} = object} = data) - when objtype in ["Article", "Note", "Video", "Page"] do + when objtype in ["Article", "Note", "Video", "Page", "Question", "Answer"] do actor = Containment.get_actor(data) data = @@ -407,7 +426,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> fix_addressing with nil <- Activity.get_create_by_object_ap_id(object["id"]), - %User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do + {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do object = fix_object(data["object"]) params = %{ @@ -436,7 +455,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data ) do with %User{local: true} = followed <- User.get_cached_by_ap_id(followed), - %User{} = follower <- User.get_or_fetch_by_ap_id(follower), + {:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower), {:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]), {:user_blocked, false} <- @@ -485,7 +504,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => _id} = data ) do with actor <- Containment.get_actor(data), - %User{} = followed <- User.get_or_fetch_by_ap_id(actor), + {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor), {:ok, follow_activity} <- get_follow_activity(follow_object, followed), {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"), %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]), @@ -511,7 +530,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => _id} = data ) do with actor <- Containment.get_actor(data), - %User{} = followed <- User.get_or_fetch_by_ap_id(actor), + {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor), {:ok, follow_activity} <- get_follow_activity(follow_object, followed), {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"), %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]), @@ -535,7 +554,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Like", "object" => object_id, "actor" => _actor, "id" => id} = data ) do with actor <- Containment.get_actor(data), - %User{} = actor <- User.get_or_fetch_by_ap_id(actor), + {: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 {:ok, activity} @@ -548,7 +567,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data ) do with actor <- Containment.get_actor(data), - %User{} = actor <- User.get_or_fetch_by_ap_id(actor), + {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), {:ok, object} <- get_obj_helper(object_id), public <- Visibility.is_public?(data), {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do @@ -603,7 +622,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do object_id = Utils.get_ap_id(object_id) with actor <- Containment.get_actor(data), - %User{} = actor <- User.get_or_fetch_by_ap_id(actor), + {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), {:ok, object} <- get_obj_helper(object_id), :ok <- Containment.contain_origin(actor.ap_id, object.data), {:ok, activity} <- ActivityPub.delete(object, false) do @@ -622,7 +641,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do } = data ) do with actor <- Containment.get_actor(data), - %User{} = actor <- User.get_or_fetch_by_ap_id(actor), + {: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} @@ -640,7 +659,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do } = _data ) do with %User{local: true} = followed <- User.get_cached_by_ap_id(followed), - %User{} = follower <- User.get_or_fetch_by_ap_id(follower), + {:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower), {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do User.unfollow(follower, followed) {:ok, activity} @@ -659,7 +678,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do ) do with true <- Pleroma.Config.get([:activitypub, :accept_blocks]), %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked), - %User{} = blocker <- User.get_or_fetch_by_ap_id(blocker), + {:ok, %User{} = blocker} <- User.get_or_fetch_by_ap_id(blocker), {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do User.unblock(blocker, blocked) {:ok, activity} @@ -673,7 +692,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do ) do with true <- Pleroma.Config.get([:activitypub, :accept_blocks]), %User{local: true} = blocked = User.get_cached_by_ap_id(blocked), - %User{} = blocker = User.get_or_fetch_by_ap_id(blocker), + {:ok, %User{} = blocker} = User.get_or_fetch_by_ap_id(blocker), {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do User.unfollow(blocker, blocked) User.block(blocker, blocked) @@ -692,7 +711,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do } = data ) do with actor <- Containment.get_actor(data), - %User{} = actor <- User.get_or_fetch_by_ap_id(actor), + {: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} @@ -732,6 +751,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> set_reply_to_uri |> strip_internal_fields |> strip_internal_tags + |> set_type end # @doc @@ -856,10 +876,16 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> Map.put("tag", tags ++ mentions) end + def add_emoji_tags(%User{info: %{"emoji" => _emoji} = user_info} = object) do + user_info = add_emoji_tags(user_info) + + object + |> Map.put(:info, user_info) + end + # TODO: we should probably send mtime instead of unix epoch time for updated - def add_emoji_tags(object) do + def add_emoji_tags(%{"emoji" => emoji} = object) do tags = object["tag"] || [] - emoji = object["emoji"] || [] out = emoji @@ -877,6 +903,10 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> Map.put("tag", tags ++ out) end + def add_emoji_tags(object) do + object + end + def set_conversation(object) do Map.put(object, "conversation", object["context"]) end @@ -886,6 +916,12 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "sensitive", "nsfw" in tags) end + def set_type(%{"type" => "Answer"} = object) do + Map.put(object, "type", "Note") + end + + def set_type(object), do: object + def add_attributed_to(object) do attributed_to = object["attributedTo"] || object["actor"] diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index 581b9d1ab..b292d7d8d 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -19,7 +19,9 @@ defmodule Pleroma.Web.ActivityPub.Utils do require Logger - @supported_object_types ["Article", "Note", "Video", "Page"] + @supported_object_types ["Article", "Note", "Video", "Page", "Question", "Answer"] + @supported_report_states ~w(open closed resolved) + @valid_visibilities ~w(public unlisted private direct) # Some implementations send the actor URI as the actor field, others send the entire actor object, # so figure out what the actor's URI is based on what we have. @@ -670,7 +672,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do "actor" => params.actor.ap_id, "content" => params.content, "object" => object, - "context" => params.context + "context" => params.context, + "state" => "open" } |> Map.merge(additional) end @@ -682,7 +685,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do """ def fetch_ordered_collection(from, pages_left, acc \\ []) do with {:ok, response} <- Tesla.get(from), - {:ok, collection} <- Poison.decode(response.body) do + {:ok, collection} <- Jason.decode(response.body) do case collection["type"] do "OrderedCollection" -> # If we've encountered the OrderedCollection and not the page, @@ -713,4 +716,94 @@ defmodule Pleroma.Web.ActivityPub.Utils do end end end + + #### Report-related helpers + + def update_report_state(%Activity{} = activity, state) when state in @supported_report_states do + with new_data <- Map.put(activity.data, "state", state), + changeset <- Changeset.change(activity, data: new_data), + {:ok, activity} <- Repo.update(changeset) do + {:ok, activity} + end + end + + def update_report_state(_, _), do: {:error, "Unsupported state"} + + def update_activity_visibility(activity, visibility) when visibility in @valid_visibilities do + [to, cc, recipients] = + activity + |> get_updated_targets(visibility) + |> Enum.map(&Enum.uniq/1) + + object_data = + activity.object.data + |> Map.put("to", to) + |> Map.put("cc", cc) + + {:ok, object} = + activity.object + |> Object.change(%{data: object_data}) + |> Object.update_and_set_cache() + + activity_data = + activity.data + |> Map.put("to", to) + |> Map.put("cc", cc) + + activity + |> Map.put(:object, object) + |> Activity.change(%{data: activity_data, recipients: recipients}) + |> Repo.update() + end + + def update_activity_visibility(_, _), do: {:error, "Unsupported visibility"} + + defp get_updated_targets( + %Activity{data: %{"to" => to} = data, recipients: recipients}, + visibility + ) do + cc = Map.get(data, "cc", []) + follower_address = User.get_cached_by_ap_id(data["actor"]).follower_address + public = "https://www.w3.org/ns/activitystreams#Public" + + case visibility do + "public" -> + to = [public | List.delete(to, follower_address)] + cc = [follower_address | List.delete(cc, public)] + recipients = [public | recipients] + [to, cc, recipients] + + "private" -> + to = [follower_address | List.delete(to, public)] + cc = List.delete(cc, public) + recipients = List.delete(recipients, public) + [to, cc, recipients] + + "unlisted" -> + to = [follower_address | List.delete(to, public)] + cc = [public | List.delete(cc, follower_address)] + recipients = recipients ++ [follower_address, public] + [to, cc, recipients] + + _ -> + [to, cc, recipients] + end + end + + def get_existing_votes(actor, %{data: %{"id" => id}}) do + query = + from( + [activity, object: object] in Activity.with_preloaded_object(Activity), + where: fragment("(?)->>'actor' = ?", activity.data, ^actor), + where: + fragment( + "(?)->'inReplyTo' = ?", + object.data, + ^to_string(id) + ), + where: fragment("(?)->>'type' = 'Answer'", object.data) + ) + + Repo.all(query) + end end diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex index 5926a3294..327e0e05b 100644 --- a/lib/pleroma/web/activity_pub/views/user_view.ex +++ b/lib/pleroma/web/activity_pub/views/user_view.ex @@ -5,6 +5,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do use Pleroma.Web, :view + alias Pleroma.Keys alias Pleroma.Repo alias Pleroma.User alias Pleroma.Web.ActivityPub.ActivityPub @@ -12,8 +13,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.Endpoint alias Pleroma.Web.Router.Helpers - alias Pleroma.Web.Salmon - alias Pleroma.Web.WebFinger import Ecto.Query @@ -34,8 +33,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do # the instance itself is not a Person, but instead an Application def render("user.json", %{user: %{nickname: nil} = user}) do - {:ok, user} = WebFinger.ensure_keys_present(user) - {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys) + {:ok, user} = User.ensure_keys_present(user) + {:ok, _, public_key} = Keys.keys_from_pem(user.info.keys) public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key) public_key = :public_key.pem_encode([public_key]) @@ -62,13 +61,18 @@ defmodule Pleroma.Web.ActivityPub.UserView do end def render("user.json", %{user: user}) do - {:ok, user} = WebFinger.ensure_keys_present(user) - {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys) + {:ok, user} = User.ensure_keys_present(user) + {:ok, _, public_key} = Keys.keys_from_pem(user.info.keys) public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key) public_key = :public_key.pem_encode([public_key]) endpoints = render("endpoints.json", %{user: user}) + user_tags = + user + |> Transmogrifier.add_emoji_tags() + |> Map.get("tag", []) + %{ "id" => user.ap_id, "type" => "Person", @@ -87,7 +91,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do "publicKeyPem" => public_key }, "endpoints" => endpoints, - "tag" => user.info.source_data["tag"] || [] + "tag" => (user.info.source_data["tag"] || []) ++ user_tags } |> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user)) |> Map.merge(maybe_make_image(&User.banner_url/2, "image", user)) diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex index 6dee61dd6..8965e3253 100644 --- a/lib/pleroma/web/activity_pub/visibility.ex +++ b/lib/pleroma/web/activity_pub/visibility.ex @@ -1,6 +1,7 @@ defmodule Pleroma.Web.ActivityPub.Visibility do alias Pleroma.Activity alias Pleroma.Object + alias Pleroma.Repo alias Pleroma.User def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false @@ -13,11 +14,12 @@ defmodule Pleroma.Web.ActivityPub.Visibility do end def is_private?(activity) do - unless is_public?(activity) do - follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address - Enum.any?(activity.data["to"], &(&1 == follower_address)) + with false <- is_public?(activity), + %User{follower_address: follower_address} <- + User.get_cached_by_ap_id(activity.data["actor"]) do + follower_address in activity.data["to"] else - false + _ -> false end end @@ -38,24 +40,40 @@ defmodule Pleroma.Web.ActivityPub.Visibility do visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y)) end - # guard - def entire_thread_visible_for_user?(nil, _user), do: false + def entire_thread_visible_for_user?(%Activity{} = activity, %User{} = user) do + {:ok, %{rows: [[result]]}} = + Ecto.Adapters.SQL.query(Repo, "SELECT thread_visibility($1, $2)", [ + user.ap_id, + activity.data["id"] + ]) - # XXX: Probably even more inefficient than the previous implementation intended to be a placeholder untill https://git.pleroma.social/pleroma/pleroma/merge_requests/971 is in develop - # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength + result + end + + def get_visibility(object) do + public = "https://www.w3.org/ns/activitystreams#Public" + to = object.data["to"] || [] + cc = object.data["cc"] || [] + + cond do + public in to -> + "public" + + public in cc -> + "unlisted" + + # this should use the sql for the object's activity + Enum.any?(to, &String.contains?(&1, "/followers")) -> + "private" + + object.data["directMessage"] == true -> + "direct" - def entire_thread_visible_for_user?( - %Activity{} = tail, - # %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail, - user - ) do - case Object.normalize(tail) do - %{data: %{"inReplyTo" => parent_id}} when is_binary(parent_id) -> - parent = Activity.get_in_reply_to_activity(tail) - visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user) + length(cc) > 0 -> + "private" - _ -> - visible_for_user?(tail, user) + true -> + "direct" end end end |