diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub')
52 files changed, 3881 insertions, 1298 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index 5ce91a8d3..624a508ae 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -5,10 +5,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.Activity alias Pleroma.Activity.Ir.Topics + alias Pleroma.ActivityExpiration alias Pleroma.Config alias Pleroma.Constants alias Pleroma.Conversation alias Pleroma.Conversation.Participation + alias Pleroma.Filter + alias Pleroma.Maps alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Object.Containment @@ -19,7 +22,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.User alias Pleroma.Web.ActivityPub.MRF alias Pleroma.Web.ActivityPub.Transmogrifier - alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.Streamer alias Pleroma.Web.WebFinger alias Pleroma.Workers.BackgroundWorker @@ -31,25 +33,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do require Logger require Pleroma.Constants - # 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 - to = Map.get(data, "to", []) - cc = Map.get(data, "cc", []) - bcc = Map.get(data, "bcc", []) - actor = User.get_cached_by_ap_id(data["actor"]) - - recipients = - Enum.filter(Enum.concat([to, cc, bcc]), fn recipient -> - case User.get_cached_by_ap_id(recipient) do - nil -> true - user -> User.following?(user, actor) - end - end) - - {recipients, to, cc} - end - defp get_recipients(%{"type" => "Create"} = data) do to = Map.get(data, "to", []) cc = Map.get(data, "cc", []) @@ -67,16 +50,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do {recipients, to, cc} end - defp check_actor_is_active(actor) do - if not is_nil(actor) do - with user <- User.get_cached_by_ap_id(actor), - false <- user.deactivated do - true - else - _e -> false - end - else - true + defp check_actor_is_active(nil), do: true + + defp check_actor_is_active(actor) when is_binary(actor) do + case User.get_cached_by_ap_id(actor) do + %User{deactivated: deactivated} -> not deactivated + _ -> false end end @@ -95,36 +74,39 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor} end - def increase_replies_count_if_reply(%{ - "object" => %{"inReplyTo" => reply_ap_id} = object, - "type" => "Create" - }) do + defp increase_replies_count_if_reply(%{ + "object" => %{"inReplyTo" => reply_ap_id} = object, + "type" => "Create" + }) do if is_public?(object) do Object.increase_replies_count(reply_ap_id) end end - def increase_replies_count_if_reply(_create_data), do: :noop + defp increase_replies_count_if_reply(_create_data), do: :noop - def decrease_replies_count_if_reply(%Object{ - data: %{"inReplyTo" => reply_ap_id} = object - }) do - if is_public?(object) do - Object.decrease_replies_count(reply_ap_id) + @object_types ~w[ChatMessage Question Answer Audio Event] + @spec persist(map(), keyword()) :: {:ok, Activity.t() | Object.t()} + def persist(%{"type" => type} = object, meta) when type in @object_types do + with {:ok, object} <- Object.create(object) do + {:ok, object, meta} end end - 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) + 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 - def increase_poll_votes_if_vote(_create_data), do: :noop - @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), @@ -137,29 +119,20 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do {:containment, :ok} <- {:containment, Containment.contain_child(map)}, {:ok, map, object} <- insert_full_object(map) do {:ok, activity} = - Repo.insert(%Activity{ + %Activity{ data: map, local: local, actor: map["actor"], recipients: recipients - }) + } + |> Repo.insert() + |> maybe_create_activity_expiration() # Splice in the child object if we have one. - activity = - if not is_nil(object) do - Map.put(activity, :object, object) - else - activity - end + activity = Maps.put_if_present(activity, :object, object) 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 -> @@ -182,10 +155,27 @@ 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 maybe_create_activity_expiration({:ok, %{data: %{"expires_at" => expires_at}} = activity}) do + with {:ok, _} <- ActivityExpiration.create(activity, expires_at) do + {:ok, activity} + end + end + + defp maybe_create_activity_expiration(result), do: result + 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), - Participation.mark_as_read(user, conversation) do + %User{} = user <- User.get_cached_by_ap_id(actor) do + Participation.mark_as_read(user, conversation) {:ok, conversation} end end @@ -207,13 +197,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end def stream_out_participations(%Object{data: %{"context" => context}}, user) do - with %Conversation{} = conversation <- Conversation.get_for_ap_id(context), - conversation = Repo.preload(conversation, :participations), - last_activity_id = - fetch_latest_activity_id_for_context(conversation.ap_id, %{ - "user" => user, - "blocking_user" => user - }) do + with %Conversation{} = conversation <- Conversation.get_for_ap_id(context) do + conversation = Repo.preload(conversation, :participations) + + last_activity_id = + fetch_latest_direct_activity_id_for_context(conversation.ap_id, %{ + user: user, + blocking_user: user + }) + if last_activity_id do stream_out_participations(conversation.participations) end @@ -247,17 +239,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do published = params[:published] quick_insert? = Config.get([:env]) == :benchmark - with create_data <- - make_create_data( - %{to: to, actor: actor, published: published, context: context, object: object}, - additional - ), - {:ok, activity} <- insert(create_data, local, fake), + create_data = + make_create_data( + %{to: to, actor: actor, published: published, context: context, object: object}, + additional + ) + + with {: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), {:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity}, {:ok, _actor} <- increase_note_count_if_public(actor, activity), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} else @@ -279,235 +272,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do local = !(params[:local] == false) published = params[:published] - with listen_data <- - make_listen_data( - %{to: to, actor: actor, published: published, context: context, object: object}, - additional - ), - {:ok, activity} <- insert(listen_data, local), - :ok <- maybe_federate(activity) do - {:ok, activity} - 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) - - with data <- - %{"to" => to, "type" => type, "actor" => actor.ap_id, "object" => object} - |> Utils.maybe_put("id", activity_id), - {:ok, activity} <- insert(data, local), - :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] - - with data <- %{ - "to" => to, - "cc" => cc, - "type" => "Update", - "actor" => actor, - "object" => object - }, - data <- Utils.maybe_put(data, "id", activity_id), - {:ok, activity} <- insert(data, local), - :ok <- maybe_federate(activity) do - {:ok, activity} - end - end - - @spec react_with_emoji(User.t(), Object.t(), String.t(), keyword()) :: - {:ok, Activity.t(), Object.t()} | {:error, any()} - def react_with_emoji(user, object, emoji, options \\ []) do - with {:ok, result} <- - Repo.transaction(fn -> do_react_with_emoji(user, object, emoji, options) end) do - result - end - end - - defp do_react_with_emoji(user, object, emoji, options) do - with local <- Keyword.get(options, :local, true), - activity_id <- Keyword.get(options, :activity_id, nil), - true <- Pleroma.Emoji.is_unicode_emoji?(emoji), - reaction_data <- make_emoji_reaction_data(user, object, emoji, activity_id), - {:ok, activity} <- insert(reaction_data, local), - {:ok, object} <- add_emoji_reaction_to_object(activity, object), - :ok <- maybe_federate(activity) do - {:ok, activity, object} - else - false -> {:error, false} - {:error, error} -> Repo.rollback(error) - end - end - - @spec unreact_with_emoji(User.t(), String.t(), keyword()) :: - {:ok, Activity.t(), Object.t()} | {:error, any()} - def unreact_with_emoji(user, reaction_id, options \\ []) do - with {:ok, result} <- - Repo.transaction(fn -> do_unreact_with_emoji(user, reaction_id, options) end) do - result - end - end - - defp do_unreact_with_emoji(user, reaction_id, options) do - with local <- Keyword.get(options, :local, true), - activity_id <- Keyword.get(options, :activity_id, nil), - user_ap_id <- user.ap_id, - %Activity{actor: ^user_ap_id} = reaction_activity <- Activity.get_by_ap_id(reaction_id), - object <- Object.normalize(reaction_activity), - unreact_data <- make_undo_data(user, reaction_activity, activity_id), - {:ok, activity} <- insert(unreact_data, local), - {:ok, object} <- remove_emoji_reaction_from_object(reaction_activity, object), - :ok <- maybe_federate(activity) do - {:ok, activity, object} - else - {:error, error} -> Repo.rollback(error) - end - end - - # TODO: This is weird, maybe we shouldn't check here if we can make the activity. - @spec like(User.t(), Object.t(), String.t() | nil, boolean()) :: - {:ok, Activity.t(), Object.t()} | {:error, any()} - def like(user, object, activity_id \\ nil, local \\ true) do - with {:ok, result} <- Repo.transaction(fn -> do_like(user, object, activity_id, local) end) do - result - end - end - - defp do_like( - %User{ap_id: ap_id} = user, - %Object{data: %{"id" => _}} = object, - activity_id, - local - ) 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} -> - Repo.rollback(error) - end - end - - @spec unlike(User.t(), Object.t(), String.t() | nil, boolean()) :: - {:ok, Activity.t(), Activity.t(), Object.t()} | {:ok, Object.t()} | {:error, any()} - def unlike(%User{} = actor, %Object{} = object, activity_id \\ nil, local \\ true) do - with {:ok, result} <- - Repo.transaction(fn -> do_unlike(actor, object, activity_id, local) end) do - result - end - end - - defp do_unlike(actor, object, activity_id, local) 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 - nil -> {:ok, object} - {:error, error} -> Repo.rollback(error) - 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, - activity_id \\ nil, - local \\ true, - public \\ true - ) do - with {:ok, result} <- - Repo.transaction(fn -> do_announce(user, object, activity_id, local, public) end) do - result - end - end + listen_data = + make_listen_data( + %{to: to, actor: actor, published: published, context: context, object: object}, + additional + ) - defp do_announce(user, object, activity_id, local, public) do - with true <- is_announceable?(object, user, public), - announce_data <- make_announce_data(user, object, activity_id, public), - {:ok, activity} <- insert(announce_data, local), - {:ok, object} <- add_announce_to_object(activity, object), + with {:ok, activity} <- insert(listen_data, local), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do - {:ok, activity, object} - else - false -> {:error, false} - {:error, error} -> Repo.rollback(error) - end - end - - @spec unannounce(User.t(), Object.t(), String.t() | nil, boolean()) :: - {:ok, Activity.t(), Object.t()} | {:ok, Object.t()} | {:error, any()} - def unannounce( - %User{} = actor, - %Object{} = object, - activity_id \\ nil, - local \\ true - ) do - with {:ok, result} <- - Repo.transaction(fn -> do_unannounce(actor, object, activity_id, local) end) do - result - end - end - - defp do_unannounce(actor, object, activity_id, local) 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 - nil -> {:ok, object} - {:error, error} -> Repo.rollback(error) - end - end - - @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 - - 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 {:ok, activity} - else - {:error, error} -> Repo.rollback(error) end end @@ -525,114 +299,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do {: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), - :ok <- maybe_federate(activity) do - {:ok, activity} - else - nil -> nil - {:error, error} -> Repo.rollback(error) - end - end - - @spec delete(User.t() | Object.t(), keyword()) :: {:ok, User.t() | Object.t()} | {:error, any()} - def delete(entity, options \\ []) do - with {:ok, result} <- Repo.transaction(fn -> do_delete(entity, options) end) do - result - end - end - - defp do_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 - - defp do_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 create_activity <- Activity.get_create_by_object_ap_id(id), - data <- - %{ - "type" => "Delete", - "actor" => actor, - "object" => id, - "to" => to, - "deleted_activity_id" => create_activity && create_activity.id - } - |> maybe_put("id", activity_id), - {:ok, activity} <- insert(data, local, false), - {:ok, object, _create_activity} <- Object.delete(object), - stream_out_participations(object, user), - _ <- decrease_replies_count_if_reply(object), - {:ok, _actor} <- decrease_note_count_if_public(user, object), - :ok <- maybe_federate(activity) do - {:ok, activity} - else - {:error, error} -> - Repo.rollback(error) - end - end - - defp do_delete(%Object{data: %{"type" => "Tombstone", "id" => ap_id}}, _) do - activity = - ap_id - |> Activity.Queries.by_object_id() - |> Activity.Queries.by_type("Delete") - |> Repo.one() - - {:ok, activity} - end - - @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 - - defp do_block(blocker, blocked, activity_id, local) do - unfollow_blocked = Config.get([:activitypub, :unfollow_blocked]) - - if unfollow_blocked do - follow_activity = fetch_latest_follow(blocker, blocked) - if follow_activity, do: unfollow(blocker, blocked, nil, local) - end - - with block_data <- make_block_data(blocker, blocked, activity_id), - {:ok, activity} <- insert(block_data, local), - :ok <- maybe_federate(activity) do - {:ok, activity} - else - {:error, error} -> Repo.rollback(error) - end - end - - @spec unblock(User.t(), User.t(), String.t() | nil, boolean()) :: - {:ok, Activity.t()} | {:error, any()} | nil - def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do - with {:ok, result} <- - Repo.transaction(fn -> do_unblock(blocker, blocked, activity_id, local) end) do - result - end - end - - defp do_unblock(blocker, blocked, activity_id, local) 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), + _ <- notify_and_stream(activity), :ok <- maybe_federate(activity) do {:ok, activity} else @@ -667,6 +334,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do with flag_data <- make_flag_data(params, additional), {:ok, activity} <- insert(flag_data, local), {: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) @@ -690,7 +358,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do } with true <- origin.ap_id in target.also_known_as, - {:ok, activity} <- insert(params, local) do + {:ok, activity} <- insert(params, local), + _ <- notify_and_stream(activity) do maybe_federate(activity) BackgroundWorker.enqueue("move_following", %{ @@ -705,12 +374,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - defp fetch_activities_for_context_query(context, opts) do + def fetch_activities_for_context_query(context, opts) do public = [Constants.as_public()] recipients = - if opts["user"], - do: [opts["user"].ap_id | User.following(opts["user"])] ++ public, + if opts[:user], + do: [opts[:user].ap_id | User.following(opts[:user])] ++ public, else: public from(activity in Activity) @@ -718,7 +387,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> maybe_preload_bookmarks(opts) |> maybe_set_thread_muted_field(opts) |> restrict_blocked(opts) - |> restrict_recipients(recipients, opts["user"]) + |> restrict_recipients(recipients, opts[:user]) + |> restrict_filtered(opts) |> where( [activity], fragment( @@ -741,45 +411,50 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Repo.all() end - @spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) :: + @spec fetch_latest_direct_activity_id_for_context(String.t(), keyword() | map()) :: FlakeId.Ecto.CompatType.t() | nil - def fetch_latest_activity_id_for_context(context, opts \\ %{}) do + def fetch_latest_direct_activity_id_for_context(context, opts \\ %{}) do context - |> fetch_activities_for_context_query(Map.merge(%{"skip_preload" => true}, opts)) + |> fetch_activities_for_context_query(Map.merge(%{skip_preload: true}, opts)) + |> restrict_visibility(%{visibility: "direct"}) |> limit(1) |> select([a], a.id) |> 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"]) + @spec fetch_public_or_unlisted_activities(map(), Pagination.type()) :: [Activity.t()] + def fetch_public_or_unlisted_activities(opts \\ %{}, pagination \\ :keyset) do + opts = Map.delete(opts, :user) [Constants.as_public()] |> fetch_activities_query(opts) - |> restrict_unlisted() + |> restrict_unlisted(opts) |> Pagination.fetch_paginated(opts, pagination) end + @spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()] + def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do + opts + |> Map.put(:restrict_unlisted, true) + |> fetch_public_or_unlisted_activities(pagination) + end + @valid_visibilities ~w[direct unlisted public private] defp restrict_visibility(query, %{visibility: visibility}) when is_list(visibility) do if Enum.all?(visibility, &(&1 in @valid_visibilities)) do - query = - from( - a in query, - where: - fragment( - "activity_visibility(?, ?, ?) = ANY (?)", - a.actor, - a.recipients, - a.data, - ^visibility - ) - ) - - query + from( + a in query, + where: + fragment( + "activity_visibility(?, ?, ?) = ANY (?)", + a.actor, + a.recipients, + a.data, + ^visibility + ) + ) else Logger.error("Could not restrict visibility to #{visibility}") end @@ -801,7 +476,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_visibility(query, _visibility), do: query - defp exclude_visibility(query, %{"exclude_visibilities" => visibility}) + defp exclude_visibility(query, %{exclude_visibilities: visibility}) when is_list(visibility) do if Enum.all?(visibility, &(&1 in @valid_visibilities)) do from( @@ -821,7 +496,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - defp exclude_visibility(query, %{"exclude_visibilities" => visibility}) + defp exclude_visibility(query, %{exclude_visibilities: visibility}) when visibility in @valid_visibilities do from( a in query, @@ -836,8 +511,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do ) end - defp exclude_visibility(query, %{"exclude_visibilities" => visibility}) - when visibility not in @valid_visibilities do + defp exclude_visibility(query, %{exclude_visibilities: visibility}) + when visibility not in [nil | @valid_visibilities] do Logger.error("Could not exclude visibility to #{visibility}") query end @@ -847,14 +522,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _), do: query - defp restrict_thread_visibility( - query, - %{"user" => %User{skip_thread_containment: true}}, - _ - ), - do: query + defp restrict_thread_visibility(query, %{user: %User{skip_thread_containment: true}}, _), + do: query - defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}, _) do + defp restrict_thread_visibility(query, %{user: %User{ap_id: ap_id}}, _) do from( a in query, where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data) @@ -866,87 +537,99 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def fetch_user_abstract_activities(user, reading_user, params \\ %{}) do params = params - |> Map.put("user", reading_user) - |> Map.put("actor_id", user.ap_id) - - recipients = - user_activities_recipients(%{ - "godmode" => params["godmode"], - "reading_user" => reading_user - }) + |> Map.put(:user, reading_user) + |> Map.put(:actor_id, user.ap_id) - fetch_activities(recipients, params) + %{ + godmode: params[:godmode], + reading_user: reading_user + } + |> user_activities_recipients() + |> fetch_activities(params) |> Enum.reverse() end def fetch_user_activities(user, reading_user, params \\ %{}) do params = params - |> Map.put("type", ["Create", "Announce"]) - |> Map.put("user", reading_user) - |> Map.put("actor_id", user.ap_id) - |> Map.put("pinned_activity_ids", user.pinned_activities) + |> Map.put(:type, ["Create", "Announce"]) + |> Map.put(:user, reading_user) + |> Map.put(:actor_id, user.ap_id) + |> 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) + |> Map.put(:blocking_user, reading_user) + |> Map.put(:muting_user, reading_user) end - recipients = - user_activities_recipients(%{ - "godmode" => params["godmode"], - "reading_user" => reading_user - }) - - fetch_activities(recipients, params) + %{ + godmode: params[:godmode], + reading_user: reading_user + } + |> user_activities_recipients() + |> fetch_activities(params) |> 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 - }) + params = Map.put(params, :type, ["Create", "Announce"]) - fetch_activities(recipients, params, :offset) + %{ + godmode: params[:godmode], + reading_user: reading_user + } + |> user_activities_recipients() + |> fetch_activities(params, :offset) |> Enum.reverse() end - defp user_activities_recipients(%{"godmode" => true}) do - [] - end + defp user_activities_recipients(%{godmode: true}), do: [] - defp user_activities_recipients(%{"reading_user" => reading_user}) do + defp user_activities_recipients(%{reading_user: reading_user}) do if reading_user do - [Constants.as_public()] ++ [reading_user.ap_id | User.following(reading_user)] + [Constants.as_public(), reading_user.ap_id | User.following(reading_user)] else [Constants.as_public()] end end - defp restrict_since(query, %{"since_id" => ""}), do: query + defp restrict_announce_object_actor(_query, %{announce_filtering_user: _, skip_preload: true}) do + raise "Can't use the child object without preloading!" + end - defp restrict_since(query, %{"since_id" => since_id}) do + defp restrict_announce_object_actor(query, %{announce_filtering_user: %{ap_id: actor}}) do + from( + [activity, object] in query, + where: + fragment( + "?->>'type' != ? or ?->>'actor' != ?", + activity.data, + "Announce", + object.data, + ^actor + ) + ) + end + + defp restrict_announce_object_actor(query, _), do: query + + defp restrict_since(query, %{since_id: ""}), do: query + + defp restrict_since(query, %{since_id: since_id}) do from(activity in query, where: activity.id > ^since_id) end defp restrict_since(query, _), do: query - defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do + defp restrict_tag_reject(_query, %{tag_reject: _tag_reject, skip_preload: true}) do raise "Can't use the child object without preloading!" end - defp restrict_tag_reject(query, %{"tag_reject" => tag_reject}) - when is_list(tag_reject) and tag_reject != [] do + defp restrict_tag_reject(query, %{tag_reject: [_ | _] = tag_reject}) do from( [_activity, object] in query, where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject) @@ -955,12 +638,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_tag_reject(query, _), do: query - defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do + defp restrict_tag_all(_query, %{tag_all: _tag_all, skip_preload: true}) do raise "Can't use the child object without preloading!" end - defp restrict_tag_all(query, %{"tag_all" => tag_all}) - when is_list(tag_all) and tag_all != [] do + defp restrict_tag_all(query, %{tag_all: [_ | _] = tag_all}) do from( [_activity, object] in query, where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all) @@ -969,18 +651,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_tag_all(query, _), do: query - defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do + defp restrict_tag(_query, %{tag: _tag, skip_preload: true}) do raise "Can't use the child object without preloading!" end - defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do + defp restrict_tag(query, %{tag: tag}) when is_list(tag) do from( [_activity, object] in query, where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag) ) end - defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do + defp restrict_tag(query, %{tag: tag}) when is_binary(tag) do from( [_activity, object] in query, where: fragment("(?)->'tag' \\? (?)", object.data, ^tag) @@ -1003,35 +685,35 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do ) end - defp restrict_local(query, %{"local_only" => true}) do + defp restrict_local(query, %{local_only: true}) do from(activity in query, where: activity.local == true) end defp restrict_local(query, _), do: query - defp restrict_actor(query, %{"actor_id" => actor_id}) do + defp restrict_actor(query, %{actor_id: actor_id}) do from(activity in query, where: activity.actor == ^actor_id) end defp restrict_actor(query, _), do: query - defp restrict_type(query, %{"type" => type}) when is_binary(type) do + defp restrict_type(query, %{type: type}) when is_binary(type) do from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type)) end - defp restrict_type(query, %{"type" => type}) do + defp restrict_type(query, %{type: type}) do from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type)) end defp restrict_type(query, _), do: query - defp restrict_state(query, %{"state" => state}) do + 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 + defp restrict_favorited_by(query, %{favorited_by: ap_id}) do from( [_activity, object] in query, where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id) @@ -1040,38 +722,74 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_favorited_by(query, _), do: query - defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do + defp restrict_media(_query, %{only_media: _val, skip_preload: true}) 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: true}) do from( - [_activity, object] in query, + [activity, object] in query, + where: fragment("(?)->>'type' = ?", activity.data, "Create"), where: fragment("not (?)->'attachment' = (?)", object.data, ^[]) ) end 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: true}) 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: true}) do from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data)) end defp restrict_reblogs(query, _), do: query - defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query + defp restrict_muted(query, %{with_muted: true}), do: query - defp restrict_muted(query, %{"muting_user" => %User{} = user} = opts) do - mutes = opts["muted_users_ap_ids"] || User.muted_users_ap_ids(user) + 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, @@ -1079,7 +797,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes) ) - unless opts["skip_preload"] do + unless opts[:skip_preload] do from([thread_mute: tm] in query, where: is_nil(tm.user_id)) else query @@ -1088,8 +806,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_muted(query, _), do: query - defp restrict_blocked(query, %{"blocking_user" => %User{} = user} = opts) do - blocked_ap_ids = opts["blocked_users_ap_ids"] || User.blocked_users_ap_ids(user) + 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) @@ -1103,6 +821,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do where: fragment("not (? && ?)", activity.recipients, ^blocked_ap_ids), where: fragment( + "recipients_contain_blocked_domains(?, ?) = false", + activity.recipients, + ^domain_blocks + ), + where: + fragment( "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)", activity.data, activity.data, @@ -1129,7 +853,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_blocked(query, _), do: query - defp restrict_unlisted(query) do + defp restrict_unlisted(query, %{restrict_unlisted: true}) do from( activity in query, where: @@ -1141,14 +865,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do ) end - defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do + defp restrict_unlisted(query, _), do: query + + defp restrict_pinned(query, %{pinned: true, pinned_activity_ids: ids}) 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{} = user} = opts) do - muted_reblogs = opts["reblog_muted_users_ap_ids"] || User.reblog_muted_users_ap_ids(user) + 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, @@ -1164,7 +890,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_muted_reblogs(query, _), do: query - defp restrict_instance(query, %{"instance" => instance}) do + defp restrict_instance(query, %{instance: instance}) do users = from( u in User, @@ -1178,7 +904,27 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_instance(query, _), do: query - defp exclude_poll_votes(query, %{"include_poll_votes" => true}), do: query + defp restrict_filtered(query, %{user: %User{} = user}) do + case Filter.compose_regex(user) do + nil -> + query + + regex -> + from([activity, object] in query, + where: + fragment("not(?->>'content' ~* ?)", object.data, ^regex) or + activity.actor == ^user.ap_id + ) + end + end + + defp restrict_filtered(query, %{blocking_user: %User{} = user}) do + restrict_filtered(query, %{user: user}) + end + + defp restrict_filtered(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 @@ -1190,38 +936,61 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - defp exclude_id(query, %{"exclude_id" => id}) when is_binary(id) do + defp exclude_chat_messages(query, %{include_chat_messages: true}), do: query + + defp exclude_chat_messages(query, _) do + if has_named_binding?(query, :object) do + from([activity, object: o] in query, + where: fragment("not(?->>'type' = ?)", o.data, "ChatMessage") + ) + else + query + end + end + + defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query + + defp exclude_invisible_actors(query, _opts) do + invisible_ap_ids = + User.Query.build(%{invisible: true, select: [:ap_id]}) + |> Repo.all() + |> Enum.map(fn %{ap_id: ap_id} -> ap_id end) + + from([activity] in query, where: activity.actor not in ^invisible_ap_ids) + end + + defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do from(activity in query, where: activity.id != ^id) end defp exclude_id(query, _), do: query - defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query + defp maybe_preload_objects(query, %{skip_preload: true}), do: query defp maybe_preload_objects(query, _) do query |> Activity.with_preloaded_object() end - defp maybe_preload_bookmarks(query, %{"skip_preload" => true}), do: query + defp maybe_preload_bookmarks(query, %{skip_preload: true}), do: query defp maybe_preload_bookmarks(query, opts) do query - |> Activity.with_preloaded_bookmark(opts["user"]) + |> Activity.with_preloaded_bookmark(opts[:user]) end - defp maybe_preload_report_notes(query, %{"preload_report_notes" => true}) do + 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, %{skip_preload: true}), do: query defp maybe_set_thread_muted_field(query, opts) do query - |> Activity.with_set_thread_muted_field(opts["muting_user"] || opts["user"]) + |> Activity.with_set_thread_muted_field(opts[:muting_user] || opts[:user]) end defp maybe_order(query, %{order: :desc}) do @@ -1237,24 +1006,23 @@ 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"] + 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 + if opts[:blocking_user] && opts[:blocking_user] == source_user do + [:block | ap_id_relationships] + else + ap_id_relationships + 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_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) + Map.merge(%{reblog_muted_users_ap_ids: preloaded_ap_ids[:reblog_mute]}, opts) {restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} end @@ -1273,7 +1041,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> maybe_preload_report_notes(opts) |> maybe_set_thread_muted_field(opts) |> maybe_order(opts) - |> restrict_recipients(recipients, opts["user"]) + |> restrict_recipients(recipients, opts[:user]) + |> restrict_replies(opts) |> restrict_tag(opts) |> restrict_tag_reject(opts) |> restrict_tag_all(opts) @@ -1285,26 +1054,30 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> restrict_favorited_by(opts) |> restrict_blocked(restrict_blocked_opts) |> restrict_muted(restrict_muted_opts) + |> restrict_filtered(opts) |> restrict_media(opts) |> restrict_visibility(opts) |> restrict_thread_visibility(opts, config) - |> restrict_replies(opts) |> restrict_reblogs(opts) |> restrict_pinned(opts) |> restrict_muted_reblogs(restrict_muted_reblogs_opts) |> restrict_instance(opts) + |> restrict_announce_object_actor(opts) + |> restrict_filtered(opts) |> Activity.restrict_deactivated_users() |> exclude_poll_votes(opts) + |> exclude_chat_messages(opts) + |> exclude_invisible_actors(opts) |> exclude_visibility(opts) end def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do - list_memberships = Pleroma.List.memberships(opts["user"]) + list_memberships = Pleroma.List.memberships(opts[:user]) fetch_activities_query(recipients ++ list_memberships, opts) |> Pagination.fetch_paginated(opts, pagination) |> Enum.reverse() - |> maybe_update_cc(list_memberships, opts["user"]) + |> maybe_update_cc(list_memberships, opts[:user]) end @doc """ @@ -1317,19 +1090,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Activity.Queries.by_type("Like") |> Activity.with_joined_object() |> Object.with_joined_activity() - |> select([_like, object, activity], %{activity | object: object}) + |> select([like, object, activity], %{activity | object: object, pagination_id: like.id}) |> order_by([like, _, _], desc_nulls_last: like.id) |> Pagination.fetch_paginated( - Map.merge(params, %{"skip_order" => true}), - pagination, - :object_activity + Map.merge(params, %{skip_order: true}), + pagination ) 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 + defp maybe_update_cc(activities, [_ | _] = list_memberships, %User{ap_id: user_ap_id}) do Enum.map(activities, fn - %{data: %{"bcc" => bcc}} = activity when is_list(bcc) and length(bcc) > 0 -> + %{data: %{"bcc" => [_ | _] = bcc}} = activity -> if Enum.any?(bcc, &(&1 in list_memberships)) do update_in(activity.data["cc"], &[user_ap_id | &1]) else @@ -1343,7 +1114,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp maybe_update_cc(activities, _, _), do: activities - def fetch_activities_bounded_query(query, recipients, recipients_with_public) do + defp fetch_activities_bounded_query(query, recipients, recipients_with_public) do from(activity in query, where: fragment("? && ?", activity.recipients, ^recipients) or @@ -1367,12 +1138,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do @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 = - if opts[:actor] do - Map.put(data, "actor", opts[:actor]) - else - data - end + obj_data = Maps.put_if_present(data, "actor", opts[:actor]) Repo.insert(%Object{data: obj_data}) end @@ -1411,19 +1177,46 @@ 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) + |> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} -> + {String.trim(name, ":"), url} + end) + locked = data["manuallyApprovesFollowers"] || false + capabilities = data["capabilities"] || %{} + accepts_chat_messages = capabilities["acceptsChatMessages"] 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"], uri: get_actor_url(data["url"]), ap_enabled: true, - source_data: data, banner: banner, fields: fields, + emoji: emojis, locked: locked, discoverable: discoverable, invisible: invisible, @@ -1433,22 +1226,23 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do following_address: data["following"], bio: data["summary"], actor_type: actor_type, - also_known_as: Map.get(data, "alsoKnownAs", []) + also_known_as: Map.get(data, "alsoKnownAs", []), + public_key: public_key, + inbox: data["inbox"], + shared_inbox: shared_inbox, + accepts_chat_messages: accepts_chat_messages } # nickname can be nil because of virtual actors - user_data = - if data["preferredUsername"] do - Map.put( - user_data, - :nickname, - "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}" - ) - else - Map.put(user_data, :nickname, nil) - end - - {:ok, user_data} + if data["preferredUsername"] do + Map.put( + user_data, + :nickname, + "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}" + ) + else + Map.put(user_data, :nickname, nil) + end end def fetch_follow_information_for_user(user) do @@ -1474,21 +1268,34 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp normalize_counter(counter) when is_integer(counter), do: counter defp normalize_counter(_), do: 0 - defp maybe_update_follow_information(data) do + def maybe_update_follow_information(user_data) do with {:enabled, true} <- {:enabled, 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) + {_, 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 @@ -1510,9 +1317,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do 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 - {:ok, data} + with {:ok, data} <- MRF.filter(data) do + {:ok, object_to_user_data(data)} else e -> {:error, e} end @@ -1520,28 +1326,66 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def fetch_and_prepare_user_from_ap_id(ap_id) do with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id), - {:ok, data} <- user_data_from_user_object(data), - data <- maybe_update_follow_information(data) do - {:ok, data} + {:ok, data} <- user_data_from_user_object(data) do + {:ok, maybe_update_follow_information(data)} else - {:error, "Object has been deleted"} = e -> + {:error, "Object has been deleted" = e} -> Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}") {:error, e} - e -> + {:error, {:reject, reason} = e} -> + Logger.info("Rejected user #{ap_id}: #{inspect(reason)}") + {:error, e} + + {:error, e} -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}") {:error, e} end end + def maybe_handle_clashing_nickname(data) do + with nickname when is_binary(nickname) <- data[:nickname], + %User{} = old_user <- User.get_by_nickname(nickname), + {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do + Logger.info( + "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{ + data[:ap_id] + }, renaming." + ) + + old_user + |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"}) + |> User.update_and_set_cache() + else + {:ap_id_comparison, true} -> + Logger.info( + "Found an old user for #{data[:nickname]}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything." + ) + + _ -> + nil + end + 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) - else - e -> {:error, e} + if user do + user + |> User.remote_user_changeset(data) + |> User.update_and_set_cache() + else + maybe_handle_clashing_nickname(data) + + data + |> User.remote_user_changeset() + |> Repo.insert() + |> User.set_cache() + end end end end @@ -1555,7 +1399,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end # filter out broken threads - def contain_broken_threads(%Activity{} = activity, %User{} = user) do + defp contain_broken_threads(%Activity{} = activity, %User{} = user) do entire_thread_visible_for_user?(activity, user) end @@ -1566,7 +1410,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def fetch_direct_messages_query do Activity - |> restrict_type(%{"type" => "Create"}) + |> restrict_type(%{type: "Create"}) |> restrict_visibility(%{visibility: "direct"}) |> order_by([activity], asc: activity.id) end diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex index a64199cd6..220c4fe52 100644 --- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex +++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex @@ -9,33 +9,52 @@ 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.ControllerHelper + alias Pleroma.Web.Endpoint + 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 @@ -58,8 +77,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end end - def object(conn, %{"uuid" => uuid}) do - with ap_id <- o_status_url(conn, :object, uuid), + def object(conn, _) do + with ap_id <- Endpoint.url() <> conn.request_path, %Object{} = object <- Object.get_cached_by_ap_id(ap_id), {_, true} <- {:public?, Visibility.is_public?(object)} do conn @@ -84,8 +103,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do conn end - def activity(conn, %{"uuid" => uuid}) do - with ap_id <- o_status_url(conn, :activity, uuid), + def activity(conn, _params) do + with ap_id <- Endpoint.url() <> conn.request_path, %Activity{} = activity <- Activity.normalize(ap_id), {_, true} <- {:public?, Visibility.is_public?(activity)} do conn @@ -128,11 +147,13 @@ 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 @@ -165,11 +186,13 @@ 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 @@ -215,6 +238,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do params |> Map.drop(["nickname", "page"]) |> Map.put("include_poll_votes", true) + |> Map.new(fn {k, v} -> {String.to_existing_atom(k), v} end) activities = ActivityPub.fetch_user_activities(user, for_user, params) @@ -254,8 +278,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do json(conn, "ok") end - # only accept relayed Creates - def inbox(conn, %{"type" => "Create"} = params) do + # 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" ) @@ -265,10 +297,11 @@ 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 + 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!" ) @@ -276,7 +309,9 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do 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 @@ -310,10 +345,8 @@ 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 @@ -322,6 +355,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do |> Map.drop(["nickname", "page"]) |> Map.put("blocking_user", user) |> Map.put("user", user) + |> Map.new(fn {k, v} -> {String.to_existing_atom(k), v} end) activities = [user.ap_id | User.following(user)] @@ -338,7 +372,7 @@ 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 @@ -349,15 +383,7 @@ 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 = @@ -390,19 +416,23 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do }) end - defp 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.is_moderator || user.ap_id == object.data["actor"], - {:ok, delete} <- ActivityPub.delete(object) do + {: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 - defp 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")} @@ -438,7 +468,7 @@ 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, @@ -450,13 +480,13 @@ 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")) @@ -484,7 +514,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do {new_user, for_user} end - # TODO: Add support for "object" field @doc """ Endpoint based on <https://www.w3.org/wiki/SocialCG/ActivityPub/MediaUpload> @@ -495,8 +524,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do Response: - HTTP Code: 201 Created - HTTP Body: ActivityPub object to be inserted into another's `attachment` field + + Note: Will not point to a URL with a `Location` header because no standalone Activity has been created. """ - 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..9a7b7d9de --- /dev/null +++ b/lib/pleroma/web/activity_pub/builder.ex @@ -0,0 +1,269 @@ +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.Emoji + alias Pleroma.Object + alias Pleroma.User + alias Pleroma.Web.ActivityPub.Relay + alias Pleroma.Web.ActivityPub.Utils + alias Pleroma.Web.ActivityPub.Visibility + + require Pleroma.Constants + + def accept_or_reject(actor, activity, type) do + data = %{ + "id" => Utils.generate_activity_id(), + "actor" => actor.ap_id, + "type" => type, + "object" => activity.data["id"], + "to" => [activity.actor] + } + + {:ok, data, []} + end + + @spec reject(User.t(), Activity.t()) :: {:ok, map(), keyword()} + def reject(actor, rejected_activity) do + accept_or_reject(actor, rejected_activity, "Reject") + end + + @spec accept(User.t(), Activity.t()) :: {:ok, map(), keyword()} + def accept(actor, accepted_activity) do + accept_or_reject(actor, accepted_activity, "Accept") + end + + @spec follow(User.t(), User.t()) :: {:ok, map(), keyword()} + def follow(follower, followed) do + data = %{ + "id" => Utils.generate_activity_id(), + "actor" => follower.ap_id, + "type" => "Follow", + "object" => followed.ap_id, + "to" => [followed.ap_id] + } + + {:ok, data, []} + end + + @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 + + def create(actor, object, recipients) do + context = + if is_map(object) do + object["context"] + else + nil + end + + {:ok, + %{ + "id" => Utils.generate_activity_id(), + "actor" => actor.ap_id, + "to" => recipients, + "object" => object, + "type" => "Create", + "published" => DateTime.utc_now() |> DateTime.to_iso8601() + } + |> Pleroma.Maps.put_if_present("context", context), []} + end + + def chat_message(actor, recipient, content, opts \\ []) do + basic = %{ + "id" => Utils.generate_object_id(), + "actor" => actor.ap_id, + "type" => "ChatMessage", + "to" => [recipient], + "content" => content, + "published" => DateTime.utc_now() |> DateTime.to_iso8601(), + "emoji" => Emoji.Formatter.get_emoji_map(content) + } + + case opts[:attachment] do + %Object{data: attachment_data} -> + { + :ok, + Map.put(basic, "attachment", attachment_data), + [] + } + + _ -> + {:ok, basic, []} + end + end + + def answer(user, object, name) do + {:ok, + %{ + "type" => "Answer", + "actor" => user.ap_id, + "attributedTo" => user.ap_id, + "cc" => [object.data["actor"]], + "to" => [], + "name" => name, + "inReplyTo" => object.data["id"], + "context" => object.data["context"], + "published" => DateTime.utc_now() |> DateTime.to_iso8601(), + "id" => Utils.generate_object_id() + }, []} + 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 + + # Retricted to user updates for now, always public + @spec update(User.t(), Object.t()) :: {:ok, map(), keyword()} + def update(actor, object) do + to = [Pleroma.Constants.as_public(), actor.follower_address] + + {:ok, + %{ + "id" => Utils.generate_activity_id(), + "type" => "Update", + "actor" => actor.ap_id, + "object" => object, + "to" => to + }, []} + end + + @spec block(User.t(), User.t()) :: {:ok, map(), keyword()} + def block(blocker, blocked) do + {:ok, + %{ + "id" => Utils.generate_activity_id(), + "type" => "Block", + "actor" => blocker.ap_id, + "object" => blocked.ap_id, + "to" => [blocked.ap_id] + }, []} + end + + @spec announce(User.t(), Object.t(), keyword()) :: {:ok, map(), keyword()} + def announce(actor, object, options \\ []) do + public? = Keyword.get(options, :public, false) + + to = + cond do + actor.ap_id == Relay.ap_id() -> + [actor.follower_address] + + public? -> + [actor.follower_address, object.data["actor"], Pleroma.Constants.as_public()] + + true -> + [actor.follower_address, object.data["actor"]] + end + + {:ok, + %{ + "id" => Utils.generate_activity_id(), + "actor" => actor.ap_id, + "object" => object.data["id"], + "to" => to, + "context" => object.data["context"], + "type" => "Announce", + "published" => Utils.make_date() + }, []} + 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/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex index a0b3af432..206d6af52 100644 --- a/lib/pleroma/web/activity_pub/mrf.ex +++ b/lib/pleroma/web/activity_pub/mrf.ex @@ -8,18 +8,15 @@ defmodule Pleroma.Web.ActivityPub.MRF do def filter(policies, %{} = object) do policies |> Enum.reduce({:ok, object}, fn - policy, {:ok, object} -> - policy.filter(object) - - _, error -> - error + policy, {:ok, object} -> policy.filter(object) + _, error -> error end) end def filter(%{} = object), do: get_policies() |> filter(object) def get_policies do - Pleroma.Config.get([:instance, :rewrite_policy], []) |> get_policies() + Pleroma.Config.get([:mrf, :policies], []) |> get_policies() end defp get_policies(policy) when is_atom(policy), do: [policy] @@ -54,7 +51,7 @@ defmodule Pleroma.Web.ActivityPub.MRF do get_policies() |> Enum.map(fn policy -> to_string(policy) |> String.split(".") |> List.last() end) - exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions]) + exclusions = Pleroma.Config.get([:mrf, :transparency_exclusions]) base = %{ diff --git a/lib/pleroma/web/activity_pub/mrf/activity_expiration_policy.ex b/lib/pleroma/web/activity_pub/mrf/activity_expiration_policy.ex new file mode 100644 index 000000000..7b4c78e0f --- /dev/null +++ b/lib/pleroma/web/activity_pub/mrf/activity_expiration_policy.ex @@ -0,0 +1,43 @@ +# 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.ActivityExpirationPolicy do + @moduledoc "Adds expiration to all local Create activities" + @behaviour Pleroma.Web.ActivityPub.MRF + + @impl true + def filter(activity) do + activity = + if note?(activity) and local?(activity) do + maybe_add_expiration(activity) + else + activity + end + + {:ok, activity} + end + + @impl true + def describe, do: {:ok, %{}} + + defp local?(%{"actor" => actor}) do + String.starts_with?(actor, Pleroma.Web.Endpoint.url()) + end + + defp note?(activity) do + match?(%{"type" => "Create", "object" => %{"type" => "Note"}}, activity) + end + + defp maybe_add_expiration(activity) do + days = Pleroma.Config.get([:mrf_activity_expiration, :days], 365) + expires_at = NaiveDateTime.utc_now() |> Timex.shift(days: days) + + with %{"expires_at" => existing_expires_at} <- activity, + :lt <- NaiveDateTime.compare(existing_expires_at, expires_at) do + activity + else + _ -> Map.put(activity, "expires_at", expires_at) + end + end +end 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..b96388489 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 @@ -60,7 +60,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicy do if score < 0.8 do {:ok, message} else - {:reject, nil} + {:reject, "[AntiFollowbotPolicy] Scored #{actor_id} as #{score}"} end end 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 9e7800997..b22464111 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 @@ -27,23 +27,25 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do @impl true def filter(%{"type" => "Create", "actor" => actor, "object" => object} = message) do - with {:ok, %User{} = u} <- User.get_or_fetch_by_ap_id(actor), + with {:ok, %User{local: false} = u} <- User.get_or_fetch_by_ap_id(actor), {:contains_links, true} <- {:contains_links, contains_links?(object)}, {:old_user, true} <- {:old_user, old_user?(u)} do {:ok, message} else + {:ok, %User{local: true}} -> + {:ok, message} + {:contains_links, false} -> {:ok, message} {:old_user, false} -> - {:reject, nil} + {:reject, "[AntiLinkSpamPolicy] User has no posts nor followers"} {:error, _} -> - {:reject, nil} + {:reject, "[AntiLinkSpamPolicy] Failed to get or fetch user by ap_id"} e -> - Logger.warn("[MRF anti-link-spam] WTF: unhandled error #{inspect(e)}") - {:reject, nil} + {:reject, "[AntiLinkSpamPolicy] Unhandled error #{inspect(e)}"} end 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 2627a0007..3bf70b894 100644 --- a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex +++ b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex @@ -27,7 +27,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do def filter_by_summary(_in_reply_to, child), do: child - def filter(%{"type" => "Create", "object" => child_object} = object) do + def filter(%{"type" => "Create", "object" => child_object} = object) + when is_map(child_object) do child = child_object["inReplyTo"] |> Object.normalize(child_object["inReplyTo"]) diff --git a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex index 1764bc789..9ba07b4e3 100644 --- a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex @@ -13,8 +13,10 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do defp delist_message(message, threshold) when threshold > 0 do follower_collection = User.get_cached_by_ap_id(message["actor"]).follower_address + to = message["to"] || [] + cc = message["cc"] || [] - follower_collection? = Enum.member?(message["to"] ++ message["cc"], follower_collection) + follower_collection? = Enum.member?(to ++ cc, follower_collection) message = case get_recipient_count(message) do @@ -41,7 +43,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do defp reject_message(message, threshold) when threshold > 0 do with {_, recipients} <- get_recipient_count(message) do if recipients > threshold do - {:reject, nil} + {:reject, "[HellthreadPolicy] #{recipients} recipients is over the limit of #{threshold}"} else {:ok, message} end @@ -71,7 +73,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do end @impl true - def filter(%{"type" => "Create"} = message) do + def filter(%{"type" => "Create", "object" => %{"type" => object_type}} = message) + when object_type in ~w{Note Article} do reject_threshold = Pleroma.Config.get( [:mrf_hellthread, :reject_threshold], @@ -84,7 +87,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do {:ok, message} <- delist_message(message, delist_threshold) do {:ok, message} else - _e -> {:reject, nil} + e -> e end end diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex index 88b0d2b39..15e09dcf0 100644 --- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex @@ -24,7 +24,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do if Enum.any?(Pleroma.Config.get([:mrf_keyword, :reject]), fn pattern -> string_matches?(content, pattern) or string_matches?(summary, pattern) end) do - {:reject, nil} + {:reject, "[KeywordPolicy] Matches with rejected keyword"} else {:ok, message} end @@ -89,8 +89,9 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do {:ok, message} <- check_replace(message) do {:ok, message} else - _e -> - {:reject, nil} + {:reject, nil} -> {:reject, "[KeywordPolicy] "} + {:reject, _} = e -> e + _e -> {:reject, "[KeywordPolicy] "} end end diff --git a/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex b/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex index d9a0acfd3..dfab105a3 100644 --- a/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex @@ -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.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 06f003921..7910ca131 100644 --- a/lib/pleroma/web/activity_pub/mrf/mention_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/mention_policy.ex @@ -12,8 +12,9 @@ defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicy do reject_actors = Pleroma.Config.get([:mrf_mention, :actors], []) recipients = (message["to"] || []) ++ (message["cc"] || []) - if Enum.any?(recipients, fn recipient -> Enum.member?(reject_actors, recipient) end) do - {:reject, nil} + if rejected_mention = + Enum.find(recipients, fn recipient -> Enum.member?(reject_actors, recipient) end) do + {:reject, "[MentionPolicy] Rejected for mention of #{rejected_mention}"} else {:ok, message} end 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/object_age_policy.ex b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex index b0ccb63c8..d45d2d7e3 100644 --- a/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex @@ -28,7 +28,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do defp check_reject(message, actions) do if :reject in actions do - {:reject, nil} + {:reject, "[ObjectAgePolicy]"} else {:ok, message} end @@ -37,8 +37,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do 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()] + 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 @@ -47,9 +52,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do {:ok, message} else - # Unhandleable error: somebody is messing around, just drop the message. _e -> - {:reject, nil} + {:reject, "[ObjectAgePolicy] Unhandled error"} end else {:ok, message} @@ -59,8 +63,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do 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) + to = List.delete(message["to"] || [], user.follower_address) + cc = List.delete(message["cc"] || [], user.follower_address) message = message @@ -69,9 +73,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do {:ok, message} else - # Unhandleable error: somebody is messing around, just drop the message. _e -> - {:reject, nil} + {:reject, "[ObjectAgePolicy] Unhandled error"} end else {:ok, message} @@ -98,7 +101,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do @impl true def describe do mrf_object_age = - Pleroma.Config.get(:mrf_object_age) + Config.get(:mrf_object_age) |> Enum.into(%{}) {:ok, %{mrf_object_age: mrf_object_age}} 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 3092f3272..0b9ed2224 100644 --- a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex +++ b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex @@ -38,7 +38,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do {:ok, object} true -> - {:reject, nil} + {:reject, "[RejectNonPublic] visibility: #{visibility}"} end end @@ -47,5 +47,5 @@ defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do @impl true def describe, - do: {:ok, %{mrf_rejectnonpublic: Pleroma.Config.get(:mrf_rejectnonpublic) |> Enum.into(%{})}} + do: {:ok, %{mrf_rejectnonpublic: Config.get(:mrf_rejectnonpublic) |> Enum.into(%{})}} end diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex index 4edc007fd..bb193475a 100644 --- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex @@ -3,33 +3,36 @@ # 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 Pleroma.Web.ActivityPub.MRF + alias Pleroma.Config + alias Pleroma.FollowingRelationship + alias Pleroma.User + alias Pleroma.Web.ActivityPub.MRF + require Pleroma.Constants defp check_accept(%{host: actor_host} = _actor_info, object) do accepts = - Pleroma.Config.get([:mrf_simple, :accept]) + Config.get([:mrf_simple, :accept]) |> MRF.subdomains_regex() cond do accepts == [] -> {:ok, object} - actor_host == Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, object} + actor_host == Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, object} MRF.subdomain_match?(accepts, actor_host) -> {:ok, object} - true -> {:reject, nil} + true -> {:reject, "[SimplePolicy] host not in accept list"} end end defp check_reject(%{host: actor_host} = _actor_info, object) do rejects = - Pleroma.Config.get([:mrf_simple, :reject]) + Config.get([:mrf_simple, :reject]) |> MRF.subdomains_regex() if MRF.subdomain_match?(rejects, actor_host) do - {:reject, nil} + {:reject, "[SimplePolicy] host in reject list"} else {:ok, object} end @@ -41,7 +44,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do ) when length(child_attachment) > 0 do media_removal = - Pleroma.Config.get([:mrf_simple, :media_removal]) + Config.get([:mrf_simple, :media_removal]) |> MRF.subdomains_regex() object = @@ -65,7 +68,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do } = object ) do media_nsfw = - Pleroma.Config.get([:mrf_simple, :media_nsfw]) + Config.get([:mrf_simple, :media_nsfw]) |> MRF.subdomains_regex() object = @@ -85,7 +88,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do defp check_ftl_removal(%{host: actor_host} = _actor_info, object) do timeline_removal = - Pleroma.Config.get([:mrf_simple, :federated_timeline_removal]) + Config.get([:mrf_simple, :federated_timeline_removal]) |> MRF.subdomains_regex() object = @@ -106,13 +109,42 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do {:ok, object} end + defp intersection(list1, list2) do + list1 -- list1 -- list2 + end + + defp check_followers_only(%{host: actor_host} = _actor_info, object) do + followers_only = + Config.get([:mrf_simple, :followers_only]) + |> MRF.subdomains_regex() + + object = + with true <- MRF.subdomain_match?(followers_only, actor_host), + user <- User.get_cached_by_ap_id(object["actor"]) do + # Don't use Map.get/3 intentionally, these must not be nil + fixed_to = object["to"] || [] + fixed_cc = object["cc"] || [] + + to = FollowingRelationship.followers_ap_ids(user, fixed_to) + cc = FollowingRelationship.followers_ap_ids(user, fixed_cc) + + object + |> Map.put("to", intersection([user.follower_address | to], fixed_to)) + |> Map.put("cc", intersection([user.follower_address | cc], fixed_cc)) + else + _ -> object + end + + {:ok, object} + end + defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do report_removal = - Pleroma.Config.get([:mrf_simple, :report_removal]) + Config.get([:mrf_simple, :report_removal]) |> MRF.subdomains_regex() if MRF.subdomain_match?(report_removal, actor_host) do - {:reject, nil} + {:reject, "[SimplePolicy] host in report_removal list"} else {:ok, object} end @@ -122,7 +154,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do defp check_avatar_removal(%{host: actor_host} = _actor_info, %{"icon" => _icon} = object) do avatar_removal = - Pleroma.Config.get([:mrf_simple, :avatar_removal]) + Config.get([:mrf_simple, :avatar_removal]) |> MRF.subdomains_regex() if MRF.subdomain_match?(avatar_removal, actor_host) do @@ -136,7 +168,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do defp check_banner_removal(%{host: actor_host} = _actor_info, %{"image" => _image} = object) do banner_removal = - Pleroma.Config.get([:mrf_simple, :banner_removal]) + Config.get([:mrf_simple, :banner_removal]) |> MRF.subdomains_regex() if MRF.subdomain_match?(banner_removal, actor_host) do @@ -149,6 +181,21 @@ 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 = + Config.get([:mrf_simple, :reject_deletes]) + |> MRF.subdomains_regex() + + if MRF.subdomain_match?(reject_deletes, actor_host) do + {:reject, "[SimplePolicy] host in reject_deletes list"} + else + {:ok, object} + end + end + + @impl true def filter(%{"actor" => actor} = object) do actor_info = URI.parse(actor) @@ -157,10 +204,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do {:ok, object} <- check_media_removal(actor_info, object), {:ok, object} <- check_media_nsfw(actor_info, object), {:ok, object} <- check_ftl_removal(actor_info, object), + {:ok, object} <- check_followers_only(actor_info, object), {:ok, object} <- check_report_removal(actor_info, object) do {:ok, object} else - _e -> {:reject, nil} + {:reject, nil} -> {:reject, "[SimplePolicy]"} + {:reject, _} = e -> e + _ -> {:reject, "[SimplePolicy]"} end end @@ -174,7 +224,9 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do {:ok, object} <- check_banner_removal(actor_info, object) do {:ok, object} else - _e -> {:reject, nil} + {:reject, nil} -> {:reject, "[SimplePolicy]"} + {:reject, _} = e -> e + _ -> {:reject, "[SimplePolicy]"} end end @@ -182,10 +234,10 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do @impl true def describe do - exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions]) + exclusions = Config.get([:mrf, :transparency_exclusions]) mrf_simple = - Pleroma.Config.get(:mrf_simple) + Config.get(:mrf_simple) |> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end) |> Enum.into(%{}) diff --git a/lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex b/lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex new file mode 100644 index 000000000..2858af9eb --- /dev/null +++ b/lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex @@ -0,0 +1,97 @@ +# 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.StealEmojiPolicy do + require Logger + + alias Pleroma.Config + + @moduledoc "Detect new emojis by their shortcode and steals them" + @behaviour Pleroma.Web.ActivityPub.MRF + + defp remote_host?(host), do: host != Config.get([Pleroma.Web.Endpoint, :url, :host]) + + defp accept_host?(host), do: host in Config.get([:mrf_steal_emoji, :hosts], []) + + defp steal_emoji({shortcode, url}) do + url = Pleroma.Web.MediaProxy.url(url) + {:ok, response} = Pleroma.HTTP.get(url) + size_limit = Config.get([:mrf_steal_emoji, :size_limit], 50_000) + + if byte_size(response.body) <= size_limit do + emoji_dir_path = + Config.get( + [:mrf_steal_emoji, :path], + Path.join(Config.get([:instance, :static_dir]), "emoji/stolen") + ) + + extension = + url + |> URI.parse() + |> Map.get(:path) + |> Path.basename() + |> Path.extname() + + file_path = Path.join([emoji_dir_path, shortcode <> (extension || ".png")]) + + try do + :ok = File.write(file_path, response.body) + + shortcode + rescue + e -> + Logger.warn("MRF.StealEmojiPolicy: Failed to write to #{file_path}: #{inspect(e)}") + nil + end + else + Logger.debug( + "MRF.StealEmojiPolicy: :#{shortcode}: at #{url} (#{byte_size(response.body)} B) over size limit (#{ + size_limit + } B)" + ) + + nil + end + rescue + e -> + Logger.warn("MRF.StealEmojiPolicy: Failed to fetch #{url}: #{inspect(e)}") + nil + end + + @impl true + def filter(%{"object" => %{"emoji" => foreign_emojis, "actor" => actor}} = message) do + host = URI.parse(actor).host + + if remote_host?(host) and accept_host?(host) do + installed_emoji = Pleroma.Emoji.get_all() |> Enum.map(fn {k, _} -> k end) + + new_emojis = + foreign_emojis + |> Enum.filter(fn {shortcode, _url} -> shortcode not in installed_emoji end) + |> Enum.filter(fn {shortcode, _url} -> + reject_emoji? = + Config.get([:mrf_steal_emoji, :rejected_shortcodes], []) + |> Enum.find(false, fn regex -> String.match?(shortcode, regex) end) + + !reject_emoji? + end) + |> Enum.map(&steal_emoji(&1)) + |> Enum.filter(& &1) + + if !Enum.empty?(new_emojis) do + Logger.info("Stole new emojis: #{inspect(new_emojis)}") + Pleroma.Emoji.reload() + end + end + + {:ok, message} + end + + def filter(message), do: {:ok, message} + + @impl true + def describe do + {:ok, %{}} + end +end diff --git a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex index c310462cb..febabda08 100644 --- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex @@ -134,12 +134,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do if user.local == true do {:ok, message} else - {:reject, nil} + {:reject, + "[TagPolicy] Follow from #{actor} tagged with mrf_tag:disable-remote-subscription"} end end - defp process_tag("mrf_tag:disable-any-subscription", %{"type" => "Follow"}), - do: {:reject, nil} + defp process_tag("mrf_tag:disable-any-subscription", %{"type" => "Follow", "actor" => actor}), + do: {:reject, "[TagPolicy] Follow from #{actor} tagged with mrf_tag:disable-any-subscription"} defp process_tag(_, message), do: {:ok, message} diff --git a/lib/pleroma/web/activity_pub/mrf/user_allow_list_policy.ex b/lib/pleroma/web/activity_pub/mrf/user_allow_list_policy.ex index 651aed70f..1a28f2ba2 100644 --- a/lib/pleroma/web/activity_pub/mrf/user_allow_list_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/user_allow_list_policy.ex @@ -14,7 +14,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicy do if actor in allow_list do {:ok, object} else - {:reject, nil} + {:reject, "[UserAllowListPolicy] #{actor} not in the list"} end end diff --git a/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex b/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex index 6167a74e2..a6c545570 100644 --- a/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex @@ -11,22 +11,26 @@ defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicy do with {:ok, _} <- filter(child_message) do {:ok, message} else - {:reject, nil} -> - {:reject, nil} + {:reject, _} = e -> e end end def filter(%{"type" => message_type} = message) do with accepted_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :accept]), rejected_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :reject]), - true <- - Enum.empty?(accepted_vocabulary) || Enum.member?(accepted_vocabulary, message_type), - false <- - length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type), + {_, true} <- + {:accepted, + Enum.empty?(accepted_vocabulary) || Enum.member?(accepted_vocabulary, message_type)}, + {_, false} <- + {:rejected, + length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type)}, {:ok, _} <- filter(message["object"]) do {:ok, message} else - _ -> {:reject, nil} + {:reject, _} = e -> e + {:accepted, _} -> {:reject, "[VocabularyPolicy] #{message_type} not in accept list"} + {:rejected, _} -> {:reject, "[VocabularyPolicy] #{message_type} in reject list"} + _ -> {:reject, "[VocabularyPolicy]"} end end 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..b77c06395 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validator.ex @@ -0,0 +1,275 @@ +# 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.Activity + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Object + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ObjectValidators.AcceptRejectValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.AnnounceValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.AnswerValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.AudioValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.BlockValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.CreateGenericValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.EventValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.FollowValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.QuestionValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.UpdateValidator + + @spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()} + def validate(object, meta) + + def validate(%{"type" => type} = object, meta) + when type in ~w[Accept Reject] do + with {:ok, object} <- + object + |> AcceptRejectValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Event"} = object, meta) do + with {:ok, object} <- + object + |> EventValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Follow"} = object, meta) do + with {:ok, object} <- + object + |> FollowValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Block"} = block_activity, meta) do + with {:ok, block_activity} <- + block_activity + |> BlockValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + block_activity = stringify_keys(block_activity) + outgoing_blocks = Pleroma.Config.get([:activitypub, :outgoing_blocks]) + + meta = + if !outgoing_blocks do + Keyword.put(meta, :do_not_federate, true) + else + meta + end + + {:ok, block_activity, meta} + end + end + + def validate(%{"type" => "Update"} = update_activity, meta) do + with {:ok, update_activity} <- + update_activity + |> UpdateValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + update_activity = stringify_keys(update_activity) + {:ok, update_activity, meta} + end + end + + 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) + undone_object = Activity.get_by_ap_id(object["object"]) + + meta = + meta + |> Keyword.put(:object_data, undone_object.data) + + {: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) + {:ok, object, meta} + end + end + + def validate(%{"type" => "ChatMessage"} = object, meta) do + with {:ok, object} <- + object + |> ChatMessageValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Question"} = object, meta) do + with {:ok, object} <- + object + |> QuestionValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Audio"} = object, meta) do + with {:ok, object} <- + object + |> AudioValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def validate(%{"type" => "Answer"} = object, meta) do + with {:ok, object} <- + object + |> AnswerValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {: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) + {:ok, object, meta} + end + end + + def validate( + %{"type" => "Create", "object" => %{"type" => "ChatMessage"} = object} = create_activity, + meta + ) do + with {:ok, object_data} <- cast_and_apply(object), + meta = Keyword.put(meta, :object_data, object_data |> stringify_keys), + {:ok, create_activity} <- + create_activity + |> CreateChatMessageValidator.cast_and_validate(meta) + |> Ecto.Changeset.apply_action(:insert) do + create_activity = stringify_keys(create_activity) + {:ok, create_activity, meta} + end + end + + def validate( + %{"type" => "Create", "object" => %{"type" => objtype} = object} = create_activity, + meta + ) + when objtype in ~w[Question Answer Audio Event] do + with {:ok, object_data} <- cast_and_apply(object), + meta = Keyword.put(meta, :object_data, object_data |> stringify_keys), + {:ok, create_activity} <- + create_activity + |> CreateGenericValidator.cast_and_validate(meta) + |> Ecto.Changeset.apply_action(:insert) do + create_activity = stringify_keys(create_activity) + {:ok, create_activity, meta} + end + end + + def validate(%{"type" => "Announce"} = object, meta) do + with {:ok, object} <- + object + |> AnnounceValidator.cast_and_validate() + |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object) + {:ok, object, meta} + end + end + + def cast_and_apply(%{"type" => "ChatMessage"} = object) do + ChatMessageValidator.cast_and_apply(object) + end + + def cast_and_apply(%{"type" => "Question"} = object) do + QuestionValidator.cast_and_apply(object) + end + + def cast_and_apply(%{"type" => "Answer"} = object) do + AnswerValidator.cast_and_apply(object) + end + + def cast_and_apply(%{"type" => "Audio"} = object) do + AudioValidator.cast_and_apply(object) + end + + def cast_and_apply(%{"type" => "Event"} = object) do + EventValidator.cast_and_apply(object) + end + + def cast_and_apply(o), do: {:error, {:validator_not_set, o}} + + # is_struct/1 isn't present in Elixir 1.8.x + def stringify_keys(%{__struct__: _} = object) do + object + |> Map.from_struct() + |> stringify_keys + end + + def stringify_keys(object) when is_map(object) do + object + |> Map.new(fn {key, val} -> {to_string(key), stringify_keys(val)} end) + end + + def stringify_keys(object) when is_list(object) do + object + |> Enum.map(&stringify_keys/1) + end + + def stringify_keys(object), do: object + + def fetch_actor(object) do + with {:ok, actor} <- ObjectValidators.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"], true) + :ok + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/accept_reject_validator.ex b/lib/pleroma/web/activity_pub/object_validators/accept_reject_validator.ex new file mode 100644 index 000000000..179beda58 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/accept_reject_validator.ex @@ -0,0 +1,56 @@ +# 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.AcceptRejectValidator do + use Ecto.Schema + + alias Pleroma.Activity + alias Pleroma.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:object, ObjectValidators.ObjectID) + field(:actor, ObjectValidators.ObjectID) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, __schema__(:fields)) + end + + def validate_data(cng) do + cng + |> validate_required([:id, :type, :actor, :to, :cc, :object]) + |> validate_inclusion(:type, ["Accept", "Reject"]) + |> validate_actor_presence() + |> validate_object_presence(allowed_types: ["Follow"]) + |> validate_accept_reject_rights() + end + + def cast_and_validate(data) do + data + |> cast_data + |> validate_data + end + + def validate_accept_reject_rights(cng) do + with object_id when is_binary(object_id) <- get_field(cng, :object), + %Activity{data: %{"object" => followed_actor}} <- Activity.get_by_ap_id(object_id), + true <- followed_actor == get_field(cng, :actor) do + cng + else + _e -> + cng + |> add_error(:actor, "can't accept or reject the given activity") + end + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/announce_validator.ex b/lib/pleroma/web/activity_pub/object_validators/announce_validator.ex new file mode 100644 index 000000000..6f757f49c --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/announce_validator.ex @@ -0,0 +1,101 @@ +# 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.AnnounceValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Object + alias Pleroma.User + alias Pleroma.Web.ActivityPub.Utils + alias Pleroma.Web.ActivityPub.Visibility + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + require Pleroma.Constants + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:object, ObjectValidators.ObjectID) + field(:actor, ObjectValidators.ObjectID) + field(:context, :string, autogenerate: {Utils, :generate_context_id, []}) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:published, ObjectValidators.DateTime) + 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 + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Announce"]) + |> validate_required([:id, :type, :object, :actor, :to, :cc]) + |> validate_actor_presence() + |> validate_object_presence() + |> validate_existing_announce() + |> validate_announcable() + end + + def validate_announcable(cng) do + with actor when is_binary(actor) <- get_field(cng, :actor), + object when is_binary(object) <- get_field(cng, :object), + %User{} = actor <- User.get_cached_by_ap_id(actor), + %Object{} = object <- Object.get_cached_by_ap_id(object), + false <- Visibility.is_public?(object) do + same_actor = object.data["actor"] == actor.ap_id + is_public = Pleroma.Constants.as_public() in (get_field(cng, :to) ++ get_field(cng, :cc)) + + cond do + same_actor && is_public -> + cng + |> add_error(:actor, "can not announce this object publicly") + + !same_actor -> + cng + |> add_error(:actor, "can not announce this object") + + true -> + cng + end + else + _ -> cng + end + end + + def validate_existing_announce(cng) do + actor = get_field(cng, :actor) + object = get_field(cng, :object) + + if actor && object && Utils.get_existing_announce(actor, %{data: %{"id" => object}}) do + cng + |> add_error(:actor, "already announced this object") + |> add_error(:object, "already announced by this actor") + else + cng + end + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/answer_validator.ex b/lib/pleroma/web/activity_pub/object_validators/answer_validator.ex new file mode 100644 index 000000000..b9fbaf4f6 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/answer_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.AnswerValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + import Ecto.Changeset + + @primary_key false + @derive Jason.Encoder + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:bto, ObjectValidators.Recipients, default: []) + field(:bcc, ObjectValidators.Recipients, default: []) + field(:type, :string) + field(:name, :string) + field(:inReplyTo, ObjectValidators.ObjectID) + field(:attributedTo, ObjectValidators.ObjectID) + + # TODO: Remove actor on objects + field(:actor, ObjectValidators.ObjectID) + end + + def cast_and_apply(data) do + data + |> cast_data() + |> apply_action(:insert) + 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, ["Answer"]) + |> validate_required([:id, :inReplyTo, :name, :attributedTo, :actor]) + |> CommonValidations.validate_any_presence([:cc, :to]) + |> CommonValidations.validate_fields_match([:actor, :attributedTo]) + |> CommonValidations.validate_actor_presence() + |> CommonValidations.validate_host_match() + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/attachment_validator.ex b/lib/pleroma/web/activity_pub/object_validators/attachment_validator.ex new file mode 100644 index 000000000..c8b148280 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/attachment_validator.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.AttachmentValidator do + use Ecto.Schema + + alias Pleroma.Web.ActivityPub.ObjectValidators.UrlObjectValidator + + import Ecto.Changeset + + @primary_key false + embedded_schema do + field(:type, :string) + field(:mediaType, :string, default: "application/octet-stream") + field(:name, :string) + + embeds_many(:url, UrlObjectValidator) + 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 + data = + data + |> fix_media_type() + |> fix_url() + + struct + |> cast(data, [:type, :mediaType, :name]) + |> cast_embed(:url, required: true) + end + + def fix_media_type(data) do + data = Map.put_new(data, "mediaType", data["mimeType"]) + + if MIME.valid?(data["mediaType"]) do + data + else + Map.put(data, "mediaType", "application/octet-stream") + end + end + + defp handle_href(href, mediaType) do + [ + %{ + "href" => href, + "type" => "Link", + "mediaType" => mediaType + } + ] + end + + defp fix_url(data) do + cond do + is_binary(data["url"]) -> + Map.put(data, "url", handle_href(data["url"], data["mediaType"])) + + is_binary(data["href"]) and data["url"] == nil -> + Map.put(data, "url", handle_href(data["href"], data["mediaType"])) + + true -> + data + end + end + + def validate_data(cng) do + cng + |> validate_required([:mediaType, :url, :type]) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/audio_validator.ex b/lib/pleroma/web/activity_pub/object_validators/audio_validator.ex new file mode 100644 index 000000000..d1869f188 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/audio_validator.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.ObjectValidators.AudioValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + import Ecto.Changeset + + @primary_key false + @derive Jason.Encoder + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:bto, ObjectValidators.Recipients, default: []) + field(:bcc, ObjectValidators.Recipients, default: []) + # TODO: Write type + field(:tag, {:array, :map}, default: []) + field(:type, :string) + field(:content, :string) + field(:context, :string) + + # TODO: Remove actor on objects + field(:actor, ObjectValidators.ObjectID) + + field(:attributedTo, ObjectValidators.ObjectID) + field(:summary, :string) + field(:published, ObjectValidators.DateTime) + # TODO: Write type + field(:emoji, :map, default: %{}) + field(:sensitive, :boolean, default: false) + embeds_many(:attachment, AttachmentValidator) + field(:replies_count, :integer, default: 0) + field(:like_count, :integer, default: 0) + field(:announcement_count, :integer, default: 0) + field(:inReplyTo, :string) + field(:url, ObjectValidators.Uri) + # short identifier for PleromaFE to group statuses by context + field(:context_id, :integer) + + field(:likes, {:array, :string}, default: []) + field(:announcements, {:array, :string}, default: []) + end + + def cast_and_apply(data) do + data + |> cast_data + |> apply_action(:insert) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + defp fix_url(%{"url" => url} = data) when is_list(url) do + attachment = + Enum.find(url, fn x -> is_map(x) and String.starts_with?(x["mimeType"], "audio/") end) + + link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end) + + data + |> Map.put("attachment", [attachment]) + |> Map.put("url", link_element["href"]) + end + + defp fix_url(data), do: data + + defp fix(data) do + data + |> CommonFixes.fix_defaults() + |> CommonFixes.fix_attribution() + |> fix_url() + end + + def changeset(struct, data) do + data = fix(data) + + struct + |> cast(data, __schema__(:fields) -- [:attachment]) + |> cast_embed(:attachment) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Audio"]) + |> validate_required([:id, :actor, :attributedTo, :type, :context, :attachment]) + |> CommonValidations.validate_any_presence([:cc, :to]) + |> CommonValidations.validate_fields_match([:actor, :attributedTo]) + |> CommonValidations.validate_actor_presence() + |> CommonValidations.validate_host_match() + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/block_validator.ex b/lib/pleroma/web/activity_pub/object_validators/block_validator.ex new file mode 100644 index 000000000..1dde77198 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/block_validator.ex @@ -0,0 +1,42 @@ +# 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.BlockValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:actor, ObjectValidators.ObjectID) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:object, ObjectValidators.ObjectID) + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, __schema__(:fields)) + end + + def validate_data(cng) do + cng + |> validate_required([:id, :type, :actor, :to, :cc, :object]) + |> validate_inclusion(:type, ["Block"]) + |> validate_actor_presence() + |> validate_actor_presence(field_name: :object) + end + + def cast_and_validate(data) do + data + |> cast_data + |> validate_data + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/chat_message_validator.ex b/lib/pleroma/web/activity_pub/object_validators/chat_message_validator.ex new file mode 100644 index 000000000..91b475393 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/chat_message_validator.ex @@ -0,0 +1,129 @@ +# 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.ChatMessageValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.Transmogrifier, only: [fix_emoji: 1] + + @primary_key false + @derive Jason.Encoder + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:to, ObjectValidators.Recipients, default: []) + field(:type, :string) + field(:content, ObjectValidators.SafeText) + field(:actor, ObjectValidators.ObjectID) + field(:published, ObjectValidators.DateTime) + field(:emoji, :map, default: %{}) + + embeds_one(:attachment, AttachmentValidator) + end + + def cast_and_apply(data) do + data + |> cast_data + |> apply_action(:insert) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + def fix(data) do + data + |> fix_emoji() + |> fix_attachment() + |> Map.put_new("actor", data["attributedTo"]) + end + + # Throws everything but the first one away + def fix_attachment(%{"attachment" => [attachment | _]} = data) do + data + |> Map.put("attachment", attachment) + end + + def fix_attachment(data), do: data + + def changeset(struct, data) do + data = fix(data) + + struct + |> cast(data, List.delete(__schema__(:fields), :attachment)) + |> cast_embed(:attachment) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["ChatMessage"]) + |> validate_required([:id, :actor, :to, :type, :published]) + |> validate_content_or_attachment() + |> validate_length(:to, is: 1) + |> validate_length(:content, max: Pleroma.Config.get([:instance, :remote_limit])) + |> validate_local_concern() + end + + def validate_content_or_attachment(cng) do + attachment = get_field(cng, :attachment) + + if attachment do + cng + else + cng + |> validate_required([:content]) + end + end + + @doc """ + Validates the following + - If both users are in our system + - If at least one of the users in this ChatMessage is a local user + - If the recipient is not blocking the actor + - If the recipient is explicitly not accepting chat messages + """ + def validate_local_concern(cng) do + with actor_ap <- get_field(cng, :actor), + {_, %User{} = actor} <- {:find_actor, User.get_cached_by_ap_id(actor_ap)}, + {_, %User{} = recipient} <- + {:find_recipient, User.get_cached_by_ap_id(get_field(cng, :to) |> hd())}, + {_, false} <- {:not_accepting_chats?, recipient.accepts_chat_messages == false}, + {_, false} <- {:blocking_actor?, User.blocks?(recipient, actor)}, + {_, true} <- {:local?, Enum.any?([actor, recipient], & &1.local)} do + cng + else + {:blocking_actor?, true} -> + cng + |> add_error(:actor, "actor is blocked by recipient") + + {:not_accepting_chats?, true} -> + cng + |> add_error(:to, "recipient does not accept chat messages") + + {:local?, false} -> + cng + |> add_error(:actor, "actor and recipient are both remote") + + {:find_actor, _} -> + cng + |> add_error(:actor, "can't find user") + + {:find_recipient, _} -> + cng + |> add_error(:to, "can't find user") + end + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex b/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex new file mode 100644 index 000000000..721749de0 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex @@ -0,0 +1,22 @@ +# 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.CommonFixes do + alias Pleroma.Web.ActivityPub.Utils + + # based on Pleroma.Web.ActivityPub.Utils.lazy_put_objects_defaults + def fix_defaults(data) do + %{data: %{"id" => context}, id: context_id} = + Utils.create_context(data["context"] || data["conversation"]) + + data + |> Map.put_new("context", context) + |> Map.put_new("context_id", context_id) + end + + def fix_attribution(data) do + data + |> Map.put_new("actor", data["attributedTo"]) + 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..603d87b8e --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/common_validations.ex @@ -0,0 +1,141 @@ +# 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_any_presence(cng, fields) 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, "none of #{inspect(fields)} present") + 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 -> + case User.get_cached_by_ap_id(actor) do + %User{deactivated: true} -> + [{field_name, "user is deactivated"}] + + %User{} -> + [] + + _ -> + [{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 + + def validate_host_match(cng, fields \\ [:id, :actor]) do + if same_domain?(cng, fields) do + cng + else + fields + |> Enum.reduce(cng, fn field, cng -> + cng + |> add_error(field, "hosts of #{inspect(fields)} aren't matching") + end) + end + end + + def validate_fields_match(cng, fields) do + if map_unique?(cng, fields) do + cng + else + fields + |> Enum.reduce(cng, fn field, cng -> + cng + |> add_error(field, "Fields #{inspect(fields)} aren't matching") + end) + end + end + + defp map_unique?(cng, fields, func \\ & &1) do + Enum.reduce_while(fields, nil, fn field, acc -> + value = + cng + |> get_field(field) + |> func.() + + case {value, acc} do + {value, nil} -> {:cont, value} + {value, value} -> {:cont, value} + _ -> {:halt, false} + end + end) + end + + def same_domain?(cng, fields \\ [:actor, :object]) do + map_unique?(cng, fields, fn value -> URI.parse(value).host end) + end + + # This figures out if a user is able to create, delete or modify something + # based on the domain and superuser status + def validate_modification_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 modify object") + end + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/create_chat_message_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_chat_message_validator.ex new file mode 100644 index 000000000..7269f9ff0 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/create_chat_message_validator.ex @@ -0,0 +1,91 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +# NOTES +# - Can probably be a generic create validator +# - doesn't embed, will only get the object id +defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator do + use Ecto.Schema + alias Pleroma.EctoType.ActivityPub.ObjectValidators + + alias Pleroma.Object + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:actor, ObjectValidators.ObjectID) + field(:type, :string) + field(:to, ObjectValidators.Recipients, default: []) + field(:object, ObjectValidators.ObjectID) + end + + def cast_and_apply(data) do + data + |> cast_data + |> apply_action(:insert) + end + + def cast_data(data) do + cast(%__MODULE__{}, data, __schema__(:fields)) + end + + def cast_and_validate(data, meta \\ []) do + cast_data(data) + |> validate_data(meta) + end + + def validate_data(cng, meta \\ []) do + cng + |> validate_required([:id, :actor, :to, :type, :object]) + |> validate_inclusion(:type, ["Create"]) + |> validate_actor_presence() + |> validate_recipients_match(meta) + |> validate_actors_match(meta) + |> validate_object_nonexistence() + end + + def validate_object_nonexistence(cng) do + cng + |> validate_change(:object, fn :object, object_id -> + if Object.get_cached_by_ap_id(object_id) do + [{:object, "The object to create already exists"}] + else + [] + end + end) + end + + def validate_actors_match(cng, meta) do + object_actor = meta[:object_data]["actor"] + + cng + |> validate_change(:actor, fn :actor, actor -> + if actor == object_actor do + [] + else + [{:actor, "Actor doesn't match with object actor"}] + end + end) + end + + def validate_recipients_match(cng, meta) do + object_recipients = meta[:object_data]["to"] || [] + + cng + |> validate_change(:to, fn :to, recipients -> + activity_set = MapSet.new(recipients) + object_set = MapSet.new(object_recipients) + + if MapSet.equal?(activity_set, object_set) do + [] + else + [{:to, "Recipients don't match with object recipients"}] + end + end) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex new file mode 100644 index 000000000..b3dbeea57 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex @@ -0,0 +1,144 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +# Code based on CreateChatMessageValidator +# NOTES +# - doesn't embed, will only get the object id +defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateGenericValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Object + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:actor, ObjectValidators.ObjectID) + field(:type, :string) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:object, ObjectValidators.ObjectID) + field(:expires_at, ObjectValidators.DateTime) + + # Should be moved to object, done for CommonAPI.Utils.make_context + field(:context, :string) + end + + def cast_data(data, meta \\ []) do + data = fix(data, meta) + + %__MODULE__{} + |> changeset(data) + end + + def cast_and_apply(data) do + data + |> cast_data + |> apply_action(:insert) + end + + def cast_and_validate(data, meta \\ []) do + data + |> cast_data(meta) + |> validate_data(meta) + end + + def changeset(struct, data) do + struct + |> cast(data, __schema__(:fields)) + end + + defp fix_context(data, meta) do + if object = meta[:object_data] do + Map.put_new(data, "context", object["context"]) + else + data + end + end + + defp fix_addressing(data, meta) do + if object = meta[:object_data] do + data + |> Map.put_new("to", object["to"] || []) + |> Map.put_new("cc", object["cc"] || []) + else + data + end + end + + defp fix(data, meta) do + data + |> fix_context(meta) + |> fix_addressing(meta) + end + + def validate_data(cng, meta \\ []) do + cng + |> validate_required([:actor, :type, :object]) + |> validate_inclusion(:type, ["Create"]) + |> validate_actor_presence() + |> validate_any_presence([:to, :cc]) + |> validate_actors_match(meta) + |> validate_context_match(meta) + |> validate_object_nonexistence() + |> validate_object_containment() + end + + def validate_object_containment(cng) do + actor = get_field(cng, :actor) + + cng + |> validate_change(:object, fn :object, object_id -> + %URI{host: object_id_host} = URI.parse(object_id) + %URI{host: actor_host} = URI.parse(actor) + + if object_id_host == actor_host do + [] + else + [{:object, "The host of the object id doesn't match with the host of the actor"}] + end + end) + end + + def validate_object_nonexistence(cng) do + cng + |> validate_change(:object, fn :object, object_id -> + if Object.get_cached_by_ap_id(object_id) do + [{:object, "The object to create already exists"}] + else + [] + end + end) + end + + def validate_actors_match(cng, meta) do + attributed_to = meta[:object_data]["attributedTo"] || meta[:object_data]["actor"] + + cng + |> validate_change(:actor, fn :actor, actor -> + if actor == attributed_to do + [] + else + [{:actor, "Actor doesn't match with object attributedTo"}] + end + end) + end + + def validate_context_match(cng, %{object_data: %{"context" => object_context}}) do + cng + |> validate_change(:context, fn :context, context -> + if context == object_context do + [] + else + [{:context, "context field not matching between Create and object (#{object_context})"}] + end + end) + end + + def validate_context_match(cng, _), do: cng +end diff --git a/lib/pleroma/web/activity_pub/object_validators/create_note_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_note_validator.ex new file mode 100644 index 000000000..9b9743c4a --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/create_note_validator.ex @@ -0,0 +1,29 @@ +# 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.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator + + import Ecto.Changeset + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:actor, ObjectValidators.ObjectID) + field(:type, :string) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:bto, ObjectValidators.Recipients, default: []) + field(:bcc, ObjectValidators.Recipients, 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..2634e8d4d --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex @@ -0,0 +1,75 @@ +# 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.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:actor, ObjectValidators.ObjectID) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:deleted_activity_id, ObjectValidators.ObjectID) + field(:object, ObjectValidators.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 + ChatMessage + Event + Note + Page + Question + Tombstone + Video + } + def validate_data(cng) do + cng + |> validate_required([:id, :type, :actor, :to, :cc, :object]) + |> validate_inclusion(:type, ["Delete"]) + |> validate_actor_presence() + |> validate_modification_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 + + 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..336c92d35 --- /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.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Object + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:object, ObjectValidators.ObjectID) + field(:actor, ObjectValidators.ObjectID) + field(:context, :string) + field(:content, :string) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.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_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/event_validator.ex b/lib/pleroma/web/activity_pub/object_validators/event_validator.ex new file mode 100644 index 000000000..07e4821a4 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/event_validator.ex @@ -0,0 +1,96 @@ +# 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.EventValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + import Ecto.Changeset + + @primary_key false + @derive Jason.Encoder + + # Extends from NoteValidator + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:bto, ObjectValidators.Recipients, default: []) + field(:bcc, ObjectValidators.Recipients, default: []) + # TODO: Write type + field(:tag, {:array, :map}, default: []) + field(:type, :string) + + field(:name, :string) + field(:summary, :string) + field(:content, :string) + + field(:context, :string) + # short identifier for PleromaFE to group statuses by context + field(:context_id, :integer) + + # TODO: Remove actor on objects + field(:actor, ObjectValidators.ObjectID) + + field(:attributedTo, ObjectValidators.ObjectID) + field(:published, ObjectValidators.DateTime) + # TODO: Write type + field(:emoji, :map, default: %{}) + field(:sensitive, :boolean, default: false) + embeds_many(:attachment, AttachmentValidator) + field(:replies_count, :integer, default: 0) + field(:like_count, :integer, default: 0) + field(:announcement_count, :integer, default: 0) + field(:inReplyTo, ObjectValidators.ObjectID) + field(:url, ObjectValidators.Uri) + + field(:likes, {:array, ObjectValidators.ObjectID}, default: []) + field(:announcements, {:array, ObjectValidators.ObjectID}, default: []) + end + + def cast_and_apply(data) do + data + |> cast_data + |> apply_action(:insert) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + defp fix(data) do + data + |> CommonFixes.fix_defaults() + |> CommonFixes.fix_attribution() + end + + def changeset(struct, data) do + data = fix(data) + + struct + |> cast(data, __schema__(:fields) -- [:attachment]) + |> cast_embed(:attachment) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Event"]) + |> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id]) + |> CommonValidations.validate_any_presence([:cc, :to]) + |> CommonValidations.validate_fields_match([:actor, :attributedTo]) + |> CommonValidations.validate_actor_presence() + |> CommonValidations.validate_host_match() + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/follow_validator.ex b/lib/pleroma/web/activity_pub/object_validators/follow_validator.ex new file mode 100644 index 000000000..ca2724616 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/follow_validator.ex @@ -0,0 +1,44 @@ +# 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.FollowValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:actor, ObjectValidators.ObjectID) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:object, ObjectValidators.ObjectID) + field(:state, :string, default: "pending") + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, __schema__(:fields)) + end + + def validate_data(cng) do + cng + |> validate_required([:id, :type, :actor, :to, :cc, :object]) + |> validate_inclusion(:type, ["Follow"]) + |> validate_inclusion(:state, ~w{pending reject accept}) + |> validate_actor_presence() + |> validate_actor_presence(field_name: :object) + end + + def cast_and_validate(data) do + data + |> cast_data + |> validate_data + 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..493e4c247 --- /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.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Object + alias Pleroma.Web.ActivityPub.Utils + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:object, ObjectValidators.ObjectID) + field(:actor, ObjectValidators.ObjectID) + field(:context, :string) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.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} <- ObjectValidators.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..20e735619 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex @@ -0,0 +1,66 @@ +# 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.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:bto, ObjectValidators.Recipients, default: []) + field(:bcc, ObjectValidators.Recipients, default: []) + # TODO: Write type + field(:tag, {:array, :map}, default: []) + field(:type, :string) + + field(:name, :string) + field(:summary, :string) + field(:content, :string) + + field(:context, :string) + # short identifier for PleromaFE to group statuses by context + field(:context_id, :integer) + + field(:actor, ObjectValidators.ObjectID) + field(:attributedTo, ObjectValidators.ObjectID) + field(:published, ObjectValidators.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(:inReplyTo, ObjectValidators.ObjectID) + field(:url, ObjectValidators.Uri) + + field(:likes, {:array, :string}, default: []) + field(:announcements, {:array, :string}, default: []) + 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/question_options_validator.ex b/lib/pleroma/web/activity_pub/object_validators/question_options_validator.ex new file mode 100644 index 000000000..478b3b5cf --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/question_options_validator.ex @@ -0,0 +1,37 @@ +# 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.QuestionOptionsValidator do + use Ecto.Schema + + import Ecto.Changeset + + @primary_key false + + embedded_schema do + field(:name, :string) + + embeds_one :replies, Replies, primary_key: false do + field(:totalItems, :integer) + field(:type, :string) + end + + field(:type, :string) + end + + def changeset(struct, data) do + struct + |> cast(data, [:name, :type]) + |> cast_embed(:replies, with: &replies_changeset/2) + |> validate_inclusion(:type, ["Note"]) + |> validate_required([:name, :type]) + end + + def replies_changeset(struct, data) do + struct + |> cast(data, [:totalItems, :type]) + |> validate_inclusion(:type, ["Collection"]) + |> validate_required([:type]) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/question_validator.ex b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex new file mode 100644 index 000000000..712047424 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex @@ -0,0 +1,111 @@ +# 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.QuestionValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + alias Pleroma.Web.ActivityPub.ObjectValidators.QuestionOptionsValidator + + import Ecto.Changeset + + @primary_key false + @derive Jason.Encoder + + # Extends from NoteValidator + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:bto, ObjectValidators.Recipients, default: []) + field(:bcc, ObjectValidators.Recipients, default: []) + # TODO: Write type + field(:tag, {:array, :map}, default: []) + field(:type, :string) + field(:content, :string) + field(:context, :string) + + # TODO: Remove actor on objects + field(:actor, ObjectValidators.ObjectID) + + field(:attributedTo, ObjectValidators.ObjectID) + field(:summary, :string) + field(:published, ObjectValidators.DateTime) + # TODO: Write type + field(:emoji, :map, default: %{}) + field(:sensitive, :boolean, default: false) + embeds_many(:attachment, AttachmentValidator) + field(:replies_count, :integer, default: 0) + field(:like_count, :integer, default: 0) + field(:announcement_count, :integer, default: 0) + field(:inReplyTo, ObjectValidators.ObjectID) + field(:url, ObjectValidators.Uri) + # short identifier for PleromaFE to group statuses by context + field(:context_id, :integer) + + field(:likes, {:array, :string}, default: []) + field(:announcements, {:array, :string}, default: []) + + field(:closed, ObjectValidators.DateTime) + field(:voters, {:array, ObjectValidators.ObjectID}, default: []) + embeds_many(:anyOf, QuestionOptionsValidator) + embeds_many(:oneOf, QuestionOptionsValidator) + end + + def cast_and_apply(data) do + data + |> cast_data + |> apply_action(:insert) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + defp fix_closed(data) do + cond do + is_binary(data["closed"]) -> data + is_binary(data["endTime"]) -> Map.put(data, "closed", data["endTime"]) + true -> Map.drop(data, ["closed"]) + end + end + + defp fix(data) do + data + |> CommonFixes.fix_defaults() + |> CommonFixes.fix_attribution() + |> fix_closed() + end + + def changeset(struct, data) do + data = fix(data) + + struct + |> cast(data, __schema__(:fields) -- [:anyOf, :oneOf, :attachment]) + |> cast_embed(:attachment) + |> cast_embed(:anyOf) + |> cast_embed(:oneOf) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Question"]) + |> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id]) + |> CommonValidations.validate_any_presence([:cc, :to]) + |> CommonValidations.validate_fields_match([:actor, :attributedTo]) + |> CommonValidations.validate_actor_presence() + |> CommonValidations.validate_any_presence([:oneOf, :anyOf]) + |> CommonValidations.validate_host_match() + end +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..8cae94467 --- /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.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:object, ObjectValidators.ObjectID) + field(:actor, ObjectValidators.ObjectID) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.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)) + 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/object_validators/update_validator.ex b/lib/pleroma/web/activity_pub/object_validators/update_validator.ex new file mode 100644 index 000000000..b4ba5ede0 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/update_validator.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.ObjectValidators.UpdateValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:actor, ObjectValidators.ObjectID) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + # In this case, we save the full object in this activity instead of just a + # reference, so we can always see what was actually changed by this. + field(:object, :map) + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, __schema__(:fields)) + end + + def validate_data(cng) do + cng + |> validate_required([:id, :type, :actor, :to, :cc, :object]) + |> validate_inclusion(:type, ["Update"]) + |> validate_actor_presence() + |> validate_updating_rights() + end + + def cast_and_validate(data) do + data + |> cast_data + |> validate_data + end + + # For now we only support updating users, and here the rule is easy: + # object id == actor id + def validate_updating_rights(cng) do + with actor = get_field(cng, :actor), + object = get_field(cng, :object), + {:ok, object_id} <- ObjectValidators.ObjectID.cast(object), + true <- actor == object_id do + cng + else + _e -> + cng + |> add_error(:object, "Can't be updated by this actor") + end + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/url_object_validator.ex b/lib/pleroma/web/activity_pub/object_validators/url_object_validator.ex new file mode 100644 index 000000000..881030f38 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/url_object_validator.ex @@ -0,0 +1,24 @@ +# 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.UrlObjectValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + + import Ecto.Changeset + @primary_key false + + embedded_schema do + field(:type, :string) + field(:href, ObjectValidators.Uri) + field(:mediaType, :string, default: "application/octet-stream") + end + + def changeset(struct, data) do + struct + |> cast(data, __schema__(:fields)) + |> validate_required([:type, :href, :mediaType]) + 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..36e325c37 --- /dev/null +++ b/lib/pleroma/web/activity_pub/pipeline.ex @@ -0,0 +1,71 @@ +# 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.Config + 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, {:ok, activity, meta}} -> + SideEffects.handle_after_transaction(meta) + {:ok, activity, meta} + + {: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] || !Config.get([:instance, :federating]) + + if !do_not_federate && local do + activity = + if object = Keyword.get(meta, :object_data) do + %{activity | data: Map.put(activity.data, "object", object)} + else + activity + end + + 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 6c558e7f0..d88f7f3ee 100644 --- a/lib/pleroma/web/activity_pub/publisher.ex +++ b/lib/pleroma/web/activity_pub/publisher.ex @@ -49,7 +49,8 @@ defmodule Pleroma.Web.ActivityPub.Publisher do """ def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = params) do Logger.debug("Federating #{id} to #{inbox}") - %{host: host, path: path} = URI.parse(inbox) + + uri = URI.parse(inbox) digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) @@ -57,8 +58,8 @@ defmodule Pleroma.Web.ActivityPub.Publisher do signature = Pleroma.Signature.sign(actor, %{ - "(request-target)": "post #{path}", - host: host, + "(request-target)": "post #{uri.path}", + host: signature_host(uri), "content-length": byte_size(json), digest: digest, date: date @@ -76,8 +77,9 @@ defmodule Pleroma.Web.ActivityPub.Publisher do {"digest", digest} ] ) do - if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since], - do: Instances.set_reachable(inbox) + if not Map.has_key?(params, :unreachable_since) || params[:unreachable_since] do + Instances.set_reachable(inbox) + end result else @@ -96,6 +98,14 @@ defmodule Pleroma.Web.ActivityPub.Publisher do |> publish_one() end + defp signature_host(%URI{port: port, scheme: scheme, host: host}) do + if port == URI.default_port(scheme) do + host + else + "#{host}:#{port}" + end + end + defp should_federate?(inbox, public) do if public do true @@ -141,8 +151,8 @@ defmodule Pleroma.Web.ActivityPub.Publisher do |> Enum.map(& &1.ap_id) end - defp maybe_use_sharedinbox(%User{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 @@ -157,7 +167,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do """ def determine_inbox( %Activity{data: activity_data}, - %User{source_data: data} = user + %User{inbox: inbox} = user ) do to = activity_data["to"] || [] cc = activity_data["cc"] || [] @@ -174,7 +184,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do maybe_use_sharedinbox(user) true -> - data["inbox"] + inbox end end @@ -192,14 +202,13 @@ defmodule Pleroma.Web.ActivityPub.Publisher do inboxes = recipients |> Enum.filter(&User.ap_enabled?/1) - |> Enum.map(fn %{source_data: data} -> data["inbox"] end) + |> 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 %{source_data: data} -> data["inbox"] == inbox end) + %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. diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex index 729c23af7..b65710a94 100644 --- a/lib/pleroma/web/activity_pub/relay.ex +++ b/lib/pleroma/web/activity_pub/relay.ex @@ -4,30 +4,25 @@ defmodule Pleroma.Web.ActivityPub.Relay do alias Pleroma.Activity - alias Pleroma.Object alias Pleroma.User alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.Web.ActivityPub.Visibility + alias Pleroma.Web.CommonAPI require Logger - @relay_nickname "relay" + @nickname "relay" - def get_actor do - actor = - relay_ap_id() - |> User.get_or_create_service_actor_by_ap_id(@relay_nickname) + @spec ap_id() :: String.t() + def ap_id, do: "#{Pleroma.Web.Endpoint.url()}/#{@nickname}" - actor - end - - def relay_ap_id do - "#{Pleroma.Web.Endpoint.url()}/relay" - end + @spec get_actor() :: User.t() | nil + def get_actor, do: User.get_or_create_service_actor_by_ap_id(ap_id(), @nickname) @spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()} def follow(target_instance) do with %User{} = local_user <- get_actor(), {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance), - {:ok, activity} <- ActivityPub.follow(local_user, target_user) do + {:ok, _, _, activity} <- CommonAPI.follow(local_user, target_user) do Logger.info("relay: followed instance: #{target_instance}; id=#{activity.data["id"]}") {:ok, activity} else @@ -48,11 +43,11 @@ defmodule Pleroma.Web.ActivityPub.Relay do end end - @spec publish(any()) :: {:ok, Activity.t(), Object.t()} | {:error, any()} + @spec publish(any()) :: {:ok, Activity.t()} | {:error, any()} def publish(%Activity{data: %{"type" => "Create"}} = activity) do with %User{} = user <- get_actor(), - %Object{} = object <- Object.normalize(activity) do - ActivityPub.announce(user, object, nil, true, false) + true <- Visibility.is_public?(activity) do + CommonAPI.repeat(activity.id, user) else error -> format_error(error) end @@ -60,34 +55,38 @@ defmodule Pleroma.Web.ActivityPub.Relay do def publish(_), do: {:error, "Not implemented"} - @spec list(boolean()) :: {:ok, [String.t()]} | {:error, any()} - def list(with_not_accepted \\ false) do + @spec list() :: {:ok, [%{actor: String.t(), followed_back: boolean()}]} | {:error, any()} + def list 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() + |> following() + |> Enum.map(fn actor -> %{actor: actor, followed_back: true} end) - accepted ++ without_accept - else - accepted - end + without_accept = + user + |> Pleroma.Activity.following_requests_for_actor() + |> Enum.map(fn activity -> %{actor: activity.data["object"], followed_back: false} end) + |> Enum.uniq() - {:ok, list} + {:ok, accepted ++ without_accept} else error -> format_error(error) end end + @spec following() :: [String.t()] + def following do + get_actor() + |> following() + end + + defp following(user) do + user + |> User.following_ap_ids() + |> Enum.uniq() + end + defp format_error({:error, error}), do: format_error(error) defp format_error(error) do 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..a5e2323bd --- /dev/null +++ b/lib/pleroma/web/activity_pub/side_effects.ex @@ -0,0 +1,441 @@ +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.Activity.Ir.Topics + alias Pleroma.ActivityExpiration + alias Pleroma.Chat + alias Pleroma.Chat.MessageReference + alias Pleroma.FollowingRelationship + alias Pleroma.Notification + alias Pleroma.Object + alias Pleroma.Repo + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.Web.ActivityPub.Builder + alias Pleroma.Web.ActivityPub.Pipeline + alias Pleroma.Web.ActivityPub.Utils + alias Pleroma.Web.Push + alias Pleroma.Web.Streamer + alias Pleroma.Workers.BackgroundWorker + + require Logger + + def handle(object, meta \\ []) + + # Task this handles + # - Follows + # - Sends a notification + def handle( + %{ + data: %{ + "actor" => actor, + "type" => "Accept", + "object" => follow_activity_id + } + } = object, + meta + ) do + with %Activity{actor: follower_id} = follow_activity <- + Activity.get_by_ap_id(follow_activity_id), + %User{} = followed <- User.get_cached_by_ap_id(actor), + %User{} = follower <- User.get_cached_by_ap_id(follower_id), + {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"), + {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept) do + Notification.update_notification_type(followed, follow_activity) + User.update_follower_count(followed) + User.update_following_count(follower) + end + + {:ok, object, meta} + end + + # Task this handles + # - Rejects all existing follow activities for this person + # - Updates the follow state + # - Dismisses notification + def handle( + %{ + data: %{ + "actor" => actor, + "type" => "Reject", + "object" => follow_activity_id + } + } = object, + meta + ) do + with %Activity{actor: follower_id} = follow_activity <- + Activity.get_by_ap_id(follow_activity_id), + %User{} = followed <- User.get_cached_by_ap_id(actor), + %User{} = follower <- User.get_cached_by_ap_id(follower_id), + {:ok, _follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject") do + FollowingRelationship.update(follower, followed, :follow_reject) + Notification.dismiss(follow_activity) + end + + {:ok, object, meta} + end + + # Tasks this handle + # - Follows if possible + # - Sends a notification + # - Generates accept or reject if appropriate + def handle( + %{ + data: %{ + "id" => follow_id, + "type" => "Follow", + "object" => followed_user, + "actor" => following_user + } + } = object, + meta + ) do + with %User{} = follower <- User.get_cached_by_ap_id(following_user), + %User{} = followed <- User.get_cached_by_ap_id(followed_user), + {_, {:ok, _}, _, _} <- + {:following, User.follow(follower, followed, :follow_pending), follower, followed} do + if followed.local && !followed.locked do + {:ok, accept_data, _} = Builder.accept(followed, object) + {:ok, _activity, _} = Pipeline.common_pipeline(accept_data, local: true) + end + else + {:following, {:error, _}, _follower, followed} -> + {:ok, reject_data, _} = Builder.reject(followed, object) + {:ok, _activity, _} = Pipeline.common_pipeline(reject_data, local: true) + + _ -> + nil + end + + {:ok, notifications} = Notification.create_notifications(object, do_send: false) + + meta = + meta + |> add_notifications(notifications) + + updated_object = Activity.get_by_ap_id(follow_id) + + {:ok, updated_object, meta} + end + + # Tasks this handles: + # - Unfollow and block + def handle( + %{data: %{"type" => "Block", "object" => blocked_user, "actor" => blocking_user}} = + object, + meta + ) do + with %User{} = blocker <- User.get_cached_by_ap_id(blocking_user), + %User{} = blocked <- User.get_cached_by_ap_id(blocked_user) do + User.block(blocker, blocked) + end + + {:ok, object, meta} + end + + # Tasks this handles: + # - Update the user + # + # For a local user, we also get a changeset with the full information, so we + # can update non-federating, non-activitypub settings as well. + def handle(%{data: %{"type" => "Update", "object" => updated_object}} = object, meta) do + if changeset = Keyword.get(meta, :user_update_changeset) do + changeset + |> User.update_and_set_cache() + else + {:ok, new_user_data} = ActivityPub.user_data_from_user_object(updated_object) + + User.get_by_ap_id(updated_object["id"]) + |> User.remote_user_changeset(new_user_data) + |> User.update_and_set_cache() + end + + {:ok, object, meta} + end + + # 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 + + # Tasks this handles + # - Actually create object + # - Rollback if we couldn't create it + # - Increase the user note count + # - Increase the reply count + # - Increase replies count + # - Set up ActivityExpiration + # - Set up notifications + def handle(%{data: %{"type" => "Create"}} = activity, meta) do + with {:ok, object, meta} <- handle_object_creation(meta[:object_data], meta), + %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do + {:ok, notifications} = Notification.create_notifications(activity, do_send: false) + {:ok, _user} = ActivityPub.increase_note_count_if_public(user, object) + + if in_reply_to = object.data["inReplyTo"] do + Object.increase_replies_count(in_reply_to) + end + + if expires_at = activity.data["expires_at"] do + ActivityExpiration.create(activity, expires_at) + end + + BackgroundWorker.enqueue("fetch_data_for_activity", %{"activity_id" => activity.id}) + + meta = + meta + |> add_notifications(notifications) + + {:ok, activity, meta} + else + e -> Repo.rollback(e) + end + end + + # Tasks this handles: + # - Add announce to object + # - Set up notification + # - Stream out the announce + def handle(%{data: %{"type" => "Announce"}} = object, meta) do + announced_object = Object.get_by_ap_id(object.data["object"]) + user = User.get_cached_by_ap_id(object.data["actor"]) + + Utils.add_announce_to_object(object, announced_object) + + if !User.is_internal_user?(user) do + Notification.create_notifications(object) + + object + |> Topics.get_activity_topics() + |> Streamer.stream(object) + end + + {: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), + {_, actor} when is_binary(actor) <- {:actor, deleted_object.data["actor"]}, + %User{} = user <- User.get_cached_by_ap_id(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 + + MessageReference.delete_for_object(deleted_object) + + ActivityPub.stream_out(object) + ActivityPub.stream_out_participations(deleted_object, user) + :ok + else + {:actor, _} -> + Logger.error("The object doesn't have an actor: #{inspect(deleted_object)}") + :no_object_actor + 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_object_creation(%{"type" => "ChatMessage"} = object, meta) do + with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do + actor = User.get_cached_by_ap_id(object.data["actor"]) + recipient = User.get_cached_by_ap_id(hd(object.data["to"])) + + streamables = + [[actor, recipient], [recipient, actor]] + |> Enum.map(fn [user, other_user] -> + if user.local do + {:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id) + {:ok, cm_ref} = MessageReference.create(chat, object, user.ap_id != actor.ap_id) + + { + ["user", "user:pleroma_chat"], + {user, %{cm_ref | chat: chat, object: object}} + } + end + end) + |> Enum.filter(& &1) + + meta = + meta + |> add_streamables(streamables) + + {:ok, object, meta} + end + end + + def handle_object_creation(%{"type" => "Answer"} = object_map, meta) do + with {:ok, object, meta} <- Pipeline.common_pipeline(object_map, meta) do + Object.increase_vote_count( + object.data["inReplyTo"], + object.data["name"], + object.data["actor"] + ) + + {:ok, object, meta} + end + end + + def handle_object_creation(%{"type" => objtype} = object, meta) + when objtype in ~w[Audio Question Event] do + with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do + {:ok, object, meta} + end + end + + # Nothing to do + def handle_object_creation(object, meta) do + {:ok, object, meta} + end + + defp undo_like(nil, object), do: delete_object(object) + + defp undo_like(%Object{} = liked_object, object) do + with {:ok, _} <- Utils.remove_like_from_object(object, liked_object) do + delete_object(object) + end + end + + def handle_undoing(%{data: %{"type" => "Like"}} = object) do + object.data["object"] + |> Object.get_by_ap_id() + |> undo_like(object) + 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]} + + @spec delete_object(Object.t()) :: :ok | {:error, Ecto.Changeset.t()} + defp delete_object(object) do + with {:ok, _} <- Repo.delete(object), do: :ok + end + + defp send_notifications(meta) do + Keyword.get(meta, :notifications, []) + |> Enum.each(fn notification -> + Streamer.stream(["user", "user:notification"], notification) + Push.send(notification) + end) + + meta + end + + defp send_streamables(meta) do + Keyword.get(meta, :streamables, []) + |> Enum.each(fn {topics, items} -> + Streamer.stream(topics, items) + end) + + meta + end + + defp add_streamables(meta, streamables) do + existing = Keyword.get(meta, :streamables, []) + + meta + |> Keyword.put(:streamables, streamables ++ existing) + end + + defp add_notifications(meta, notifications) do + existing = Keyword.get(meta, :notifications, []) + + meta + |> Keyword.put(:notifications, notifications ++ existing) + end + + def handle_after_transaction(meta) do + meta + |> send_notifications() + |> send_streamables() + end +end diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index 3fc4762d6..76298c4a0 100644 --- a/lib/pleroma/web/activity_pub/transmogrifier.ex +++ b/lib/pleroma/web/activity_pub/transmogrifier.ex @@ -7,12 +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.FollowingRelationship + alias Pleroma.EarmarkRenderer + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Maps 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.Pipeline alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.ActivityPub.Visibility alias Pleroma.Web.Federator @@ -40,6 +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 @@ -54,15 +60,17 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def fix_summary(object), do: Map.put(object, "summary", "") def fix_addressing_list(map, field) do + addrs = map[field] + cond do - is_binary(map[field]) -> - Map.put(map, field, [map[field]]) + is_list(addrs) -> + Map.put(map, field, Enum.filter(addrs, &is_binary/1)) - is_nil(map[field]) -> - Map.put(map, field, []) + is_binary(addrs) -> + Map.put(map, field, [addrs]) true -> - map + Map.put(map, field, []) end end @@ -147,7 +155,12 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end def fix_actor(%{"attributedTo" => actor} = object) do - Map.put(object, "actor", Containment.get_actor(%{"actor" => actor})) + actor = Containment.get_actor(%{"actor" => actor}) + + # TODO: Remove actor field for Objects + object + |> Map.put("actor", actor) + |> Map.put("attributedTo", actor) end def fix_in_reply_to(object, options \\ []) @@ -164,11 +177,11 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do object |> Map.put("inReplyTo", replied_object.data["id"]) |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id) - |> Map.put("conversation", replied_object.data["context"] || object["conversation"]) |> Map.put("context", replied_object.data["context"] || object["conversation"]) + |> Map.drop(["conversation"]) else e -> - Logger.error("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}") + Logger.warn("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}") object end else @@ -199,20 +212,54 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do object |> Map.put("context", context) - |> Map.put("conversation", context) + |> Map.drop(["conversation"]) 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}] + url = + cond do + is_list(data["url"]) -> List.first(data["url"]) + is_map(data["url"]) -> data["url"] + true -> nil + end - data - |> Map.put("mediaType", media_type) - |> Map.put("url", url) + media_type = + cond do + is_map(url) && MIME.valid?(url["mediaType"]) -> url["mediaType"] + MIME.valid?(data["mediaType"]) -> data["mediaType"] + MIME.valid?(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"] + true -> nil + end + + if href do + attachment_url = + %{ + "href" => href, + "type" => Map.get(url || %{}, "type", "Link") + } + |> Maps.put_if_present("mediaType", media_type) + + %{ + "url" => [attachment_url], + "type" => data["type"] || "Document" + } + |> Maps.put_if_present("mediaType", media_type) + |> Maps.put_if_present("name", data["name"]) + else + nil + end end) + |> Enum.filter(& &1) Map.put(object, "attachment", attachments) end @@ -229,14 +276,19 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "url", url["href"]) end - 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) + def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do + attachment = + Enum.find(url, fn x -> + media_type = x["mediaType"] || x["mimeType"] || "" - link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end) + is_map(x) and String.starts_with?(media_type, "video/") + end) + + link_element = + Enum.find(url, fn x -> is_map(x) and (x["mediaType"] || x["mimeType"]) == "text/html" end) object - |> Map.put("attachment", [first_element]) + |> Map.put("attachment", [attachment]) |> Map.put("url", link_element["href"]) end @@ -324,32 +376,18 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do 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), - %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do - {:ok, activity} - else - _ -> {:error, nil} - end - end - - defp mastodon_follow_hack(_, _), do: {:error, nil} - - defp get_follow_activity(follow_object, followed) do - with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object), - {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do - {:ok, activity} - else - # Can't find the activity. This might a Mastodon 2.3 "Accept" - {:activity, nil} -> - mastodon_follow_hack(follow_object, followed) + 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() - _ -> - {:error, nil} - end + Map.merge(object, %{"content" => html_content, "mediaType" => "text/html"}) end + defp fix_content(object), do: object + # Reduce the object list to find the reported user. defp get_reported(objects) do Enum.reduce_while(objects, nil, fn ap_id, _ -> @@ -361,6 +399,29 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end) end + # Compatibility wrapper for Mastodon votes + defp handle_create(%{"object" => %{"type" => "Answer"}} = data, _user) do + handle_incoming(data) + end + + defp handle_create(%{"object" => object} = data, user) do + %{ + to: data["to"], + object: object, + actor: user, + context: object["context"], + local: false, + published: data["published"], + additional: + Map.take(data, [ + "cc", + "directMessage", + "id" + ]) + } + |> ActivityPub.create() + end + def handle_incoming(data, options \\ []) # Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them @@ -399,33 +460,18 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Create", "object" => %{"type" => objtype} = object} = data, options ) - when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do + when objtype in ~w{Article Note Video Page} do actor = Containment.get_actor(data) - data = - Map.put(data, "actor", actor) - |> fix_addressing - with nil <- Activity.get_create_by_object_ap_id(object["id"]), - {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do - object = fix_object(object, options) - - params = %{ - to: data["to"], - object: object, - actor: user, - context: object["conversation"], - local: false, - published: data["published"], - additional: - Map.take(data, [ - "cc", - "directMessage", - "id" - ]) - } + {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(actor) do + data = + data + |> Map.put("object", fix_object(object, options)) + |> Map.put("actor", actor) + |> fix_addressing() - with {:ok, created_activity} <- ActivityPub.create(params) do + with {:ok, created_activity} <- handle_create(data, user) do reply_depth = (options[:depth] || 0) + 1 if Federator.allowed_thread_distance?(reply_depth) do @@ -476,116 +522,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end end - def handle_incoming( - %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data, - _options - ) do - with %User{local: true} = followed <- - User.get_cached_by_ap_id(Containment.get_actor(%{"actor" => followed})), - {:ok, %User{} = follower} <- - User.get_or_fetch_by_ap_id(Containment.get_actor(%{"actor" => follower})), - {:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do - with deny_follow_blocked <- Pleroma.Config.get([:user, :deny_follow_blocked]), - {_, false} <- {:user_blocked, User.blocks?(followed, follower) && deny_follow_blocked}, - {_, 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")}, - {:ok, _relationship} <- - FollowingRelationship.update(follower, followed, :follow_accept) do - ActivityPub.accept(%{ - to: [follower.ap_id], - actor: followed, - object: data, - local: true - }) - 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], - actor: followed, - object: data, - local: true - }) - - {: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], - actor: followed, - object: data, - local: true - }) - - {:user_locked, true} -> - {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_pending) - :noop - end - - {:ok, activity} - else - _e -> - :error - end - end - - def handle_incoming( - %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data, - _options - ) do - with actor <- Containment.get_actor(data), - {: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_for_all(follow_activity, "accept"), - %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]), - {: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", - actor: followed, - object: follow_activity.data["id"], - local: false, - activity_id: id - }) - else - _e -> - :error - end - end - - def handle_incoming( - %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data, - _options - ) do - with actor <- Containment.get_actor(data), - {: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_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"], - type: "Reject", - actor: followed, - object: follow_activity.data["id"], - local: false, - activity_id: id - }) do - {:ok, activity} - else - _e -> :error - end - end - @misskey_reactions %{ "like" => "👍", "love" => "❤️", @@ -615,137 +551,59 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end def handle_incoming( - %{"type" => "Like", "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, _object} <- ActivityPub.like(actor, object, id, false) do - {:ok, activity} - else - _e -> :error - end - end - - def handle_incoming( - %{ - "type" => "EmojiReact", - "object" => object_id, - "actor" => _actor, - "id" => id, - "content" => emoji - } = data, + %{"type" => "Create", "object" => %{"type" => objtype}} = data, _options - ) do - with actor <- Containment.get_actor(data), - {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), - {:ok, object} <- get_obj_helper(object_id), - {:ok, activity, _object} <- - ActivityPub.react_with_emoji(actor, object, emoji, activity_id: id, local: false) do + ) + when objtype in ~w{Question Answer ChatMessage Audio Event} do + with {:ok, %User{}} <- ObjectValidator.fetch_actor(data), + {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do {:ok, activity} - else - _e -> :error end end - def handle_incoming( - %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data, - _options - ) do - with actor <- Containment.get_actor(data), - {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), - {:ok, object} <- get_embedded_obj_helper(object_id, actor), - public <- Visibility.is_public?(data), - {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false, public) do + def handle_incoming(%{"type" => type} = data, _options) + when type in ~w{Like EmojiReact Announce} 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 def handle_incoming( - %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} = - data, + %{"type" => type} = data, _options ) - when object_type in [ - "Person", - "Application", - "Service", - "Organization" - ] do - with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do - {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object) - - actor - |> User.upgrade_changeset(new_user_data, true) - |> User.update_and_set_cache() - - ActivityPub.update(%{ - local: false, - to: data["to"] || [], - cc: data["cc"] || [], - object: object, - actor: actor_id, - activity_id: data["id"] - }) - else - e -> - Logger.error(e) - :error - 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, - _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 + when type in ~w{Update Block Follow Accept Reject} do + with {:ok, %User{}} <- ObjectValidator.fetch_actor(data), + {: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 - end - - _e -> - :error end end def handle_incoming( - %{ - "type" => "Undo", - "object" => %{"type" => "Announce", "object" => object_id}, - "actor" => _actor, - "id" => id - } = data, + %{"type" => "Delete"} = 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 + with {:ok, activity, _} <- + Pipeline.common_pipeline(data, local: false) do {:ok, activity} else - _e -> :error + {:error, {:validate_object, _}} = e -> + # Check if we have a create activity for this + with {:ok, object_id} <- ObjectValidators.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 end end @@ -771,75 +629,13 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def handle_incoming( %{ "type" => "Undo", - "object" => %{"type" => "EmojiReact", "id" => reaction_activity_id}, - "actor" => _actor, - "id" => id + "object" => %{"type" => type} } = data, _options - ) do - with actor <- Containment.get_actor(data), - {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor), - {:ok, activity, _} <- - ActivityPub.unreact_with_emoji(actor, reaction_activity_id, - activity_id: id, - local: false - ) do - {:ok, activity} - else - _e -> :error - end - end - - def handle_incoming( - %{ - "type" => "Undo", - "object" => %{"type" => "Block", "object" => blocked}, - "actor" => blocker, - "id" => id - } = _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) - {:ok, activity} - else - _e -> :error - end - end - - def handle_incoming( - %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _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.block(blocker, blocked, id, false) do - User.unfollow(blocker, blocked) - User.block(blocker, blocked) - {:ok, activity} - else - _e -> :error - end - end - - def handle_incoming( - %{ - "type" => "Undo", - "object" => %{"type" => "Like", "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.unlike(actor, object, id, false) do + ) + when type in ["Like", "EmojiReact", "Announce", "Block"] do + with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do {:ok, activity} - else - _e -> :error end end @@ -1113,10 +909,14 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "tag", tags) end + # TODO These should be added on our side on insertion, it doesn't make much + # sense to regenerate these all the time def add_mention_tags(object) do - {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) + to = object["to"] || [] + cc = object["cc"] || [] + mentioned = User.get_users_from_set(to ++ cc, local_only: false) + + mentions = Enum.map(mentioned, &build_mention_tag/1) tags = object["tag"] || [] Map.put(object, "tag", tags ++ mentions) @@ -1128,7 +928,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier 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 @@ -1157,6 +957,10 @@ 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) @@ -1173,20 +977,29 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "attributedTo", attributed_to) end + # TODO: Revisit this + def prepare_attachments(%{"type" => "ChatMessage"} = object), do: object + 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 def strip_internal_fields(object) do - object - |> Map.drop(Pleroma.Constants.object_internal_fields()) + Map.drop(object, Pleroma.Constants.object_internal_fields()) end defp strip_internal_tags(%{"tag" => tags} = object) do @@ -1222,12 +1035,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do 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} @@ -1235,9 +1044,9 @@ 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 a49cfa35e..713b0ca1f 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do alias Ecto.UUID alias Pleroma.Activity alias Pleroma.Config + alias Pleroma.Maps alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Repo @@ -244,7 +245,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do Inserts a full object if it is contained in an activity. """ def insert_full_object(%{"object" => %{"type" => type} = object_data} = map) - when is_map(object_data) and type in @supported_object_types do + when type in @supported_object_types do with {:ok, object} <- Object.create(object_data) do map = Map.put(map, "object", object.data["id"]) @@ -307,7 +308,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => cc, "context" => object.data["context"] } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def make_emoji_reaction_data(user, object, emoji, activity_id) do @@ -444,22 +445,19 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> update(set: [data: fragment("jsonb_set(data, '{state}', ?)", ^state)]) |> Repo.update_all([]) - User.set_follow_state_cache(actor, object, state) - activity = Activity.get_by_id(activity.id) {:ok, activity} end def update_follow_state( - %Activity{data: %{"actor" => actor, "object" => object}} = activity, + %Activity{} = activity, state ) do new_data = Map.put(activity.data, "state", state) changeset = Changeset.change(activity, data: new_data) with {:ok, activity} <- Repo.update(changeset) do - User.set_follow_state_cache(actor, object, state) {:ok, activity} end end @@ -480,7 +478,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "object" => followed_id, "state" => "pending" } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do @@ -519,7 +517,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do #### Announce-related helpers @doc """ - Retruns an existing announce activity if the notice has already been announced + Returns an existing announce activity if the notice has already been announced """ @spec get_existing_announce(String.t(), map()) :: Activity.t() | nil def get_existing_announce(actor, %{data: %{"id" => ap_id}}) do @@ -549,7 +547,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => [], "context" => object.data["context"] } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def make_announce_data( @@ -566,46 +564,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => [Pleroma.Constants.as_public()], "context" => object.data["context"] } - |> maybe_put("id", activity_id) - end - - @doc """ - Make unannounce activity data for the given actor and object - """ - def make_unannounce_data( - %User{ap_id: ap_id} = user, - %Activity{data: %{"context" => context, "object" => object}} = activity, - activity_id - ) do - object = Object.normalize(object) - - %{ - "type" => "Undo", - "actor" => ap_id, - "object" => activity.data, - "to" => [user.follower_address, object.data["actor"]], - "cc" => [Pleroma.Constants.as_public()], - "context" => context - } - |> maybe_put("id", activity_id) - end - - def make_unlike_data( - %User{ap_id: ap_id} = user, - %Activity{data: %{"context" => context, "object" => object}} = activity, - activity_id - ) do - object = Object.normalize(object) - - %{ - "type" => "Undo", - "actor" => ap_id, - "object" => activity.data, - "to" => [user.follower_address, object.data["actor"]], - "cc" => [Pleroma.Constants.as_public()], - "context" => context - } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end def make_undo_data( @@ -624,7 +583,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "cc" => [Pleroma.Constants.as_public()], "context" => context } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end @spec add_announce_to_object(Activity.t(), Object.t()) :: @@ -669,7 +628,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "to" => [followed.ap_id], "object" => follow_activity.data } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end #### Block-related helpers @@ -692,17 +651,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do "to" => [blocked.ap_id], "object" => blocked.ap_id } - |> maybe_put("id", activity_id) - end - - def make_unblock_data(blocker, blocked, block_activity, activity_id) do - %{ - "type" => "Undo", - "actor" => blocker.ap_id, - "to" => [blocked.ap_id], - "object" => block_activity.data - } - |> maybe_put("id", activity_id) + |> Maps.put_if_present("id", activity_id) end #### Create-related helpers @@ -770,15 +719,18 @@ defmodule Pleroma.Web.ActivityPub.Utils do case Activity.get_by_ap_id_with_object(id) do %Activity{} = activity -> + activity_actor = User.get_by_ap_id(activity.object.data["actor"]) + %{ "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"]) - }) + AccountView.render( + "show.json", + %{user: activity_actor, skip_visibility_check: true} + ) } _ -> @@ -792,112 +744,16 @@ defmodule Pleroma.Web.ActivityPub.Utils do 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) + |> 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 parse_report_group(activity) do - reports = get_reports_by_status_id(activity["id"]) - max_date = Enum.max_by(reports, &NaiveDateTime.from_iso8601!(&1.data["published"])) - actors = Enum.map(reports, & &1.user_actor) - [%{data: %{"object" => [account_id | _]}} | _] = reports - - account = - AccountView.render("show.json", %{ - user: User.get_by_ap_id(account_id) - }) - - status = get_status_data(activity) - - %{ - date: max_date.data["published"], - account: account, - status: status, - actors: Enum.uniq(actors), - reports: reports - } - end - - defp get_status_data(status) do - case status["deleted"] do - true -> - %{ - "id" => status["id"], - "deleted" => true - } - - _ -> - Activity.get_by_ap_id(status["id"]) - end - end - - def get_reports_by_status_id(ap_id) do - from(a in Activity, - where: fragment("(?)->>'type' = 'Flag'", a.data), - where: fragment("(?)->'object' @> ?", a.data, ^[%{id: ap_id}]), - or_where: fragment("(?)->'object' @> ?", a.data, ^[ap_id]) - ) - |> Activity.with_preloaded_user_actor() - |> Repo.all() - end - - @spec get_reports_grouped_by_status([String.t()]) :: %{ - required(:groups) => [ - %{ - required(:date) => String.t(), - required(:account) => %{}, - required(:status) => %{}, - required(:actors) => [%User{}], - required(:reports) => [%Activity{}] - } - ] - } - def get_reports_grouped_by_status(activity_ids) do - parsed_groups = - activity_ids - |> Enum.map(fn id -> - id - |> build_flag_object() - |> parse_report_group() - end) - - %{ - groups: parsed_groups - } - end - - @spec get_reported_activities() :: [ - %{ - required(:activity) => String.t(), - required(:date) => String.t() - } - ] - def get_reported_activities do - reported_activities_query = - from(a in Activity, - where: fragment("(?)->>'type' = 'Flag'", a.data), - select: %{ - activity: fragment("jsonb_array_elements((? #- '{object,0}')->'object')", a.data) - }, - group_by: fragment("activity") - ) - - from(a in subquery(reported_activities_query), - distinct: true, - select: %{ - id: fragment("COALESCE(?->>'id'::text, ? #>> '{}')", a.activity, a.activity) - } - ) - |> Repo.all() - |> Enum.map(& &1.id) - end - def update_report_state(%Activity{} = activity, state) when state in @strip_status_report_states do {:ok, stripped_activity} = strip_report_status_data(activity) @@ -1018,7 +874,4 @@ defmodule Pleroma.Web.ActivityPub.Utils do |> where([a, object: o], fragment("(?)->>'type' = 'Answer'", o.data)) |> Repo.all() end - - def maybe_put(map, _key, nil), do: map - def maybe_put(map, key, value), do: Map.put(map, key, value) end diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex index 3396777d7..3a4564912 100644 --- a/lib/pleroma/web/activity_pub/views/user_view.ex +++ b/lib/pleroma/web/activity_pub/views/user_view.ex @@ -79,10 +79,16 @@ defmodule Pleroma.Web.ActivityPub.UserView do emoji_tags = Transmogrifier.take_emoji_tags(user) - fields = - user - |> User.fields() - |> Enum.map(&Map.put(&1, "type", "PropertyValue")) + fields = Enum.map(user.fields, &Map.put(&1, "type", "PropertyValue")) + + capabilities = + if is_boolean(user.accepts_chat_messages) do + %{ + "acceptsChatMessages" => user.accepts_chat_messages + } + else + %{} + end %{ "id" => user.ap_id, @@ -103,8 +109,9 @@ defmodule Pleroma.Web.ActivityPub.UserView do }, "endpoints" => endpoints, "attachment" => fields, - "tag" => (user.source_data["tag"] || []) ++ emoji_tags, - "discoverable" => user.discoverable + "tag" => emoji_tags, + "discoverable" => user.discoverable, + "capabilities" => capabilities } |> 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 6f226fc92..5c349bb7a 100644 --- a/lib/pleroma/web/activity_pub/visibility.ex +++ b/lib/pleroma/web/activity_pub/visibility.ex @@ -44,8 +44,13 @@ 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?(nil, _), do: false + + def visible_for_user?(%{data: %{"listMessage" => _}}, nil), do: false + def visible_for_user?(%{data: %{"listMessage" => list_ap_id}} = activity, %User{} = user) do user.ap_id in activity.data["to"] || list_ap_id @@ -53,16 +58,18 @@ defmodule Pleroma.Web.ActivityPub.Visibility do |> Pleroma.List.member?(user) end - def visible_for_user?(%{data: %{"listMessage" => _}}, nil), do: false + def visible_for_user?(%{local: local} = activity, nil) do + cfg_key = if local, do: :local, else: :remote - def visible_for_user?(activity, nil) do - is_public?(activity) + if Pleroma.Config.restrict_unauthenticated_access?(:activities, cfg_key), + do: false, + else: is_public?(activity) end def visible_for_user?(activity, user) do 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 |