diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub')
19 files changed, 626 insertions, 167 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index d9f74b6a4..35af0f7dc 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -125,6 +125,21 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def increase_poll_votes_if_vote(_create_data), do: :noop + @spec persist(map(), keyword()) :: {:ok, Activity.t() | Object.t()} + def persist(object, meta) do + with local <- Keyword.fetch!(meta, :local), + {recipients, _, _} <- get_recipients(object), + {:ok, activity} <- + Repo.insert(%Activity{ + data: object, + local: local, + recipients: recipients, + actor: object["actor"] + }) do + {:ok, activity, meta} + end + end + @spec insert(map(), boolean(), boolean(), boolean()) :: {:ok, Activity.t()} | {:error, any()} def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when is_map(map) do with nil <- Activity.normalize(map), @@ -503,8 +518,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp do_follow(follower, followed, activity_id, local) do with data <- make_follow_data(follower, followed, activity_id), {:ok, activity} <- insert(data, local), - :ok <- maybe_federate(activity), - _ <- User.set_follow_state_cache(follower.ap_id, followed.ap_id, activity.data["state"]) do + :ok <- maybe_federate(activity) do {:ok, activity} else {:error, error} -> Repo.rollback(error) @@ -584,6 +598,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do 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 @@ -697,7 +721,7 @@ 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 = @@ -1230,17 +1254,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp fetch_activities_query_ap_ids_ops(opts) do source_user = opts["muting_user"] - ap_id_relations = if source_user, do: [:mute, :reblog_mute], else: [] + ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: [] - ap_id_relations = - ap_id_relations ++ + ap_id_relationships = + ap_id_relationships ++ if opts["blocking_user"] && opts["blocking_user"] == source_user do [:block] else [] end - preloaded_ap_ids = User.outgoing_relations_ap_ids(source_user, ap_id_relations) + 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) @@ -1370,6 +1394,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end + @spec get_actor_url(any()) :: binary() | nil + defp get_actor_url(url) when is_binary(url), do: url + defp get_actor_url(%{"href" => href}) when is_binary(href), do: href + + defp get_actor_url(url) when is_list(url) do + url + |> List.first() + |> get_actor_url() + end + + defp get_actor_url(_url), do: nil + defp object_to_user_data(data) do avatar = data["icon"]["url"] && @@ -1391,18 +1427,41 @@ 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" => t} -> t == "Emoji" end) + |> Enum.reduce(%{}, fn %{"icon" => %{"url" => url}, "name" => name}, acc -> + Map.put(acc, String.trim(name, ":"), url) + end) + locked = data["manuallyApprovesFollowers"] || false data = Transmogrifier.maybe_fix_user_object(data) discoverable = data["discoverable"] || false invisible = data["invisible"] || false actor_type = data["type"] || "Person" + public_key = + if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do + data["publicKey"]["publicKeyPem"] + else + nil + end + + shared_inbox = + if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do + data["endpoints"]["sharedInbox"] + else + nil + end + user_data = %{ ap_id: data["id"], + uri: get_actor_url(data["url"]), ap_enabled: true, - source_data: data, banner: banner, fields: fields, + emoji: emojis, locked: locked, discoverable: discoverable, invisible: invisible, @@ -1412,7 +1471,10 @@ 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 } # nickname can be nil because of virtual actors @@ -1514,11 +1576,22 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end def make_user_from_ap_id(ap_id) do - if _user = User.get_cached_by_ap_id(ap_id) do + user = User.get_cached_by_ap_id(ap_id) + + if user && !User.ap_enabled?(user) do Transmogrifier.upgrade_user_from_ap_id(ap_id) else with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do - User.insert_or_update_user(data) + if user do + user + |> User.remote_user_changeset(data) + |> User.update_and_set_cache() + else + data + |> User.remote_user_changeset() + |> Repo.insert() + |> User.set_cache() + end else e -> {:error, e} end diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex new file mode 100644 index 000000000..429a510b8 --- /dev/null +++ b/lib/pleroma/web/activity_pub/builder.ex @@ -0,0 +1,43 @@ +defmodule Pleroma.Web.ActivityPub.Builder do + @moduledoc """ + This module builds the objects. Meant to be used for creating local objects. + + This module encodes our addressing policies and general shape of our objects. + """ + + alias Pleroma.Object + alias Pleroma.User + alias Pleroma.Web.ActivityPub.Utils + alias Pleroma.Web.ActivityPub.Visibility + + @spec like(User.t(), Object.t()) :: {:ok, map(), keyword()} + def like(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, + "type" => "Like", + "object" => object.data["id"], + "to" => to, + "cc" => cc, + "context" => object.data["context"] + }, []} + 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..0270b96ae 100644 --- a/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicy do diff --git a/lib/pleroma/web/activity_pub/mrf/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/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/object_validator.ex b/lib/pleroma/web/activity_pub/object_validator.ex new file mode 100644 index 000000000..dc4bce059 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_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.ObjectValidator do + @moduledoc """ + This module is responsible for validating an object (which can be an activity) + and checking if it is both well formed and also compatible with our view of + the system. + """ + + alias Pleroma.Object + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator + + @spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()} + def validate(object, meta) + + def validate(%{"type" => "Like"} = object, meta) do + with {:ok, object} <- + object |> LikeValidator.cast_and_validate() |> Ecto.Changeset.apply_action(:insert) do + object = stringify_keys(object |> Map.from_struct()) + {:ok, object, meta} + end + end + + def stringify_keys(object) do + object + |> Map.new(fn {key, val} -> {to_string(key), val} end) + end + + def fetch_actor_and_object(object) do + User.get_or_fetch_by_ap_id(object["actor"]) + Object.normalize(object["object"]) + :ok + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/common_validations.ex b/lib/pleroma/web/activity_pub/object_validators/common_validations.ex new file mode 100644 index 000000000..b479c3918 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/common_validations.ex @@ -0,0 +1,32 @@ +# 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.Object + alias Pleroma.User + + def validate_actor_presence(cng, field_name \\ :actor) do + cng + |> validate_change(field_name, fn field_name, actor -> + if User.get_cached_by_ap_id(actor) do + [] + else + [{field_name, "can't find user"}] + end + end) + end + + def validate_object_presence(cng, field_name \\ :object) do + cng + |> validate_change(field_name, fn field_name, object -> + if Object.get_cached_by_ap_id(object) do + [] + else + [{field_name, "can't find object"}] + end + end) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/create_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_validator.ex new file mode 100644 index 000000000..926804ce7 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/create_validator.ex @@ -0,0 +1,30 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateNoteValidator do + use Ecto.Schema + + alias Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + + import Ecto.Changeset + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:actor, Types.ObjectID) + field(:type, :string) + field(:to, {:array, :string}) + field(:cc, {:array, :string}) + field(:bto, {:array, :string}, default: []) + field(:bcc, {:array, :string}, default: []) + + embeds_one(:object, NoteValidator) + end + + def cast_data(data) do + cast(%__MODULE__{}, data, __schema__(:fields)) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/like_validator.ex b/lib/pleroma/web/activity_pub/object_validators/like_validator.ex new file mode 100644 index 000000000..49546ceaa --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/like_validator.ex @@ -0,0 +1,57 @@ +# 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.Web.ActivityPub.ObjectValidators.Types + alias Pleroma.Web.ActivityPub.Utils + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:type, :string) + field(:object, Types.ObjectID) + field(:actor, Types.ObjectID) + field(:context, :string) + field(:to, {:array, :string}) + field(:cc, {:array, :string}) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, [:id, :type, :object, :actor, :context, :to, :cc]) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Like"]) + |> validate_required([:id, :type, :object, :actor, :context, :to, :cc]) + |> validate_actor_presence() + |> validate_object_presence() + |> validate_existing_like() + end + + def validate_existing_like(%{changes: %{actor: actor, object: object}} = cng) do + if Utils.get_existing_like(actor, %{data: %{"id" => object}}) do + cng + |> add_error(:actor, "already liked this object") + |> add_error(:object, "already liked by this actor") + else + cng + end + end + + def validate_existing_like(cng), do: cng +end diff --git a/lib/pleroma/web/activity_pub/object_validators/note_validator.ex b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex new file mode 100644 index 000000000..462a5620a --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex @@ -0,0 +1,64 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator do + use Ecto.Schema + + alias Pleroma.Web.ActivityPub.ObjectValidators.Types + + import Ecto.Changeset + + @primary_key false + + embedded_schema do + field(:id, Types.ObjectID, primary_key: true) + field(:to, {:array, :string}, default: []) + field(:cc, {:array, :string}, default: []) + field(:bto, {:array, :string}, default: []) + field(:bcc, {:array, :string}, default: []) + # TODO: Write type + field(:tag, {:array, :map}, default: []) + field(:type, :string) + field(:content, :string) + field(:context, :string) + field(:actor, Types.ObjectID) + field(:attributedTo, Types.ObjectID) + field(:summary, :string) + field(:published, Types.DateTime) + # TODO: Write type + field(:emoji, :map, default: %{}) + field(:sensitive, :boolean, default: false) + # TODO: Write type + field(:attachment, {:array, :map}, default: []) + field(:replies_count, :integer, default: 0) + field(:like_count, :integer, default: 0) + field(:announcement_count, :integer, default: 0) + field(:inRepyTo, :string) + field(:uri, Types.Uri) + + field(:likes, {:array, :string}, default: []) + field(:announcements, {:array, :string}, default: []) + + # see if needed + field(:conversation, :string) + field(:context_id, :string) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> cast(data, __schema__(:fields)) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Note"]) + |> validate_required([:id, :actor, :to, :cc, :type, :content, :context]) + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/types/date_time.ex b/lib/pleroma/web/activity_pub/object_validators/types/date_time.ex new file mode 100644 index 000000000..4f412fcde --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/types/date_time.ex @@ -0,0 +1,34 @@ +defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.DateTime do + @moduledoc """ + The AP standard defines the date fields in AP as xsd:DateTime. Elixir's + DateTime can't parse this, but it can parse the related iso8601. This + module punches the date until it looks like iso8601 and normalizes to + it. + + DateTimes without a timezone offset are treated as UTC. + + Reference: https://www.w3.org/TR/activitystreams-vocabulary/#dfn-published + """ + use Ecto.Type + + def type, do: :string + + def cast(datetime) when is_binary(datetime) do + with {:ok, datetime, _} <- DateTime.from_iso8601(datetime) do + {:ok, DateTime.to_iso8601(datetime)} + else + {:error, :missing_offset} -> cast("#{datetime}Z") + _e -> :error + end + end + + def cast(_), do: :error + + def dump(data) do + {:ok, data} + end + + def load(data) do + {:ok, data} + end +end diff --git a/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex b/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex new file mode 100644 index 000000000..f71f76370 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex @@ -0,0 +1,23 @@ +defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.ObjectID do + use Ecto.Type + + def type, do: :string + + def cast(object) when is_binary(object) do + # Host has to be present and scheme has to be an http scheme (for now) + case URI.parse(object) do + %URI{host: nil} -> :error + %URI{host: ""} -> :error + %URI{scheme: scheme} when scheme in ["https", "http"] -> {:ok, object} + _ -> :error + end + end + + def cast(%{"id" => object}), do: cast(object) + + def cast(_), do: :error + + def dump(data), do: {:ok, data} + + def load(data), do: {:ok, data} +end diff --git a/lib/pleroma/web/activity_pub/object_validators/types/uri.ex b/lib/pleroma/web/activity_pub/object_validators/types/uri.ex new file mode 100644 index 000000000..24845bcc0 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/types/uri.ex @@ -0,0 +1,20 @@ +defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.Uri do + use Ecto.Type + + def type, do: :string + + def cast(uri) when is_binary(uri) do + case URI.parse(uri) do + %URI{host: nil} -> :error + %URI{host: ""} -> :error + %URI{scheme: scheme} when scheme in ["https", "http"] -> {:ok, uri} + _ -> :error + end + end + + def cast(_), do: :error + + def dump(data), do: {:ok, data} + + def load(data), do: {:ok, data} +end diff --git a/lib/pleroma/web/activity_pub/pipeline.ex b/lib/pleroma/web/activity_pub/pipeline.ex new file mode 100644 index 000000000..7ccee54c9 --- /dev/null +++ b/lib/pleroma/web/activity_pub/pipeline.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.Pipeline do + alias Pleroma.Activity + 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(), keyword()} | {:error, any()} + def 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{} = activity, meta}} <- + {:persist_object, ActivityPub.persist(mrfd_object, meta)}, + {_, {:ok, %Activity{} = 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(activity, meta) do + with {:ok, local} <- Keyword.fetch(meta, :local) do + if local do + Federator.publish(activity) + {:ok, :federated} + else + {:ok, :not_federated} + end + else + _e -> {:error, :badarg} + end + end +end diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex index 6c558e7f0..b70cbd043 100644 --- a/lib/pleroma/web/activity_pub/publisher.ex +++ b/lib/pleroma/web/activity_pub/publisher.ex @@ -141,8 +141,8 @@ 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 +157,7 @@ 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 +174,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do maybe_use_sharedinbox(user) true -> - data["inbox"] + inbox end end @@ -192,14 +192,13 @@ 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/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex new file mode 100644 index 000000000..666a4e310 --- /dev/null +++ b/lib/pleroma/web/activity_pub/side_effects.ex @@ -0,0 +1,28 @@ +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.Notification + alias Pleroma.Object + alias Pleroma.Web.ActivityPub.Utils + + def handle(object, meta \\ []) + + # Tasks this handles: + # - Add like to object + # - Set up notification + def handle(%{data: %{"type" => "Like"}} = object, meta) do + liked_object = Object.get_by_ap_id(object.data["object"]) + Utils.add_like_to_object(object, liked_object) + Notification.create_notifications(object) + {:ok, object, meta} + end + + # Nothing to do + def handle(object, meta) do + {:ok, object, meta} + end +end diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index 9cd3de705..09119137b 100644 --- a/lib/pleroma/web/activity_pub/transmogrifier.ex +++ b/lib/pleroma/web/activity_pub/transmogrifier.ex @@ -13,6 +13,9 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do alias Pleroma.Repo alias Pleroma.User alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.Web.ActivityPub.ObjectValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator + alias Pleroma.Web.ActivityPub.Pipeline alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.ActivityPub.Visibility alias Pleroma.Web.Federator @@ -202,16 +205,46 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> Map.put("conversation", context) end + defp add_if_present(map, _key, nil), do: map + + defp add_if_present(map, key, value) do + Map.put(map, key, value) + end + def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do attachments = Enum.map(attachment, fn data -> - media_type = data["mediaType"] || data["mimeType"] - href = data["url"] || data["href"] - url = [%{"type" => "Link", "mediaType" => media_type, "href" => href}] + 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) && is_binary(url["mediaType"]) -> url["mediaType"] + is_binary(data["mediaType"]) -> data["mediaType"] + is_binary(data["mimeType"]) -> data["mimeType"] + true -> nil + end + + href = + cond do + is_map(url) && is_binary(url["href"]) -> url["href"] + is_binary(data["url"]) -> data["url"] + is_binary(data["href"]) -> data["href"] + end + + attachment_url = + %{"href" => href} + |> add_if_present("mediaType", media_type) + |> add_if_present("type", Map.get(url || %{}, "type")) + + %{"url" => [attachment_url]} + |> add_if_present("mediaType", media_type) + |> add_if_present("type", data["type"]) + |> add_if_present("name", data["name"]) end) Map.put(object, "attachment", attachments) @@ -229,7 +262,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do Map.put(object, "url", url["href"]) end - def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do + def fix_url(%{"type" => object_type, "url" => url} = object) + when object_type in ["Video", "Audio"] and is_list(url) do first_element = Enum.at(url, 0) link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end) @@ -398,7 +432,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do %{"type" => "Create", "object" => %{"type" => objtype} = object} = data, options ) - when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer"] do + when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do actor = Containment.get_actor(data) data = @@ -490,7 +524,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {_, {: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, "accept") do + {:ok, _relationship} <- + FollowingRelationship.update(follower, followed, :follow_accept) do ActivityPub.accept(%{ to: [follower.ap_id], actor: followed, @@ -500,7 +535,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do else {:user_blocked, true} -> {:ok, _} = Utils.update_follow_state_for_all(activity, "reject") - {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject") + {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject) ActivityPub.reject(%{ to: [follower.ap_id], @@ -511,7 +546,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:follow, {:error, _}} -> {:ok, _} = Utils.update_follow_state_for_all(activity, "reject") - {:ok, _relationship} = FollowingRelationship.update(follower, followed, "reject") + {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_reject) ActivityPub.reject(%{ to: [follower.ap_id], @@ -521,7 +556,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do }) {:user_locked, true} -> - {:ok, _relationship} = FollowingRelationship.update(follower, followed, "pending") + {:ok, _relationship} = FollowingRelationship.update(follower, followed, :follow_pending) :noop end @@ -541,7 +576,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:ok, follow_activity} <- get_follow_activity(follow_object, followed), {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"), %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]), - {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "accept") do + {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept) do ActivityPub.accept(%{ to: follow_activity.data["to"], type: "Accept", @@ -564,7 +599,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:ok, follow_activity} <- get_follow_activity(follow_object, followed), {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"), %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]), - {:ok, _relationship} <- FollowingRelationship.update(follower, followed, "reject"), + {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_reject), {:ok, activity} <- ActivityPub.reject(%{ to: follow_activity.data["to"], @@ -608,17 +643,20 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> handle_incoming(options) 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 + def handle_incoming(%{"type" => "Like"} = data, _options) do + with {_, {:ok, cast_data_sym}} <- + {:casting_data, + data |> LikeValidator.cast_data() |> Ecto.Changeset.apply_action(:insert)}, + cast_data = ObjectValidator.stringify_keys(Map.from_struct(cast_data_sym)), + :ok <- ObjectValidator.fetch_actor_and_object(cast_data), + {_, {:ok, cast_data}} <- {:ensure_context_presence, ensure_context_presence(cast_data)}, + {_, {:ok, cast_data}} <- + {:ensure_recipients_presence, ensure_recipients_presence(cast_data)}, + {_, {:ok, activity, _meta}} <- + {:common_pipeline, Pipeline.common_pipeline(cast_data, local: false)} do {:ok, activity} else - _e -> :error + e -> {:error, e} end end @@ -673,7 +711,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object) actor - |> User.upgrade_changeset(new_user_data, true) + |> User.remote_user_changeset(new_user_data) |> User.update_and_set_cache() ActivityPub.update(%{ @@ -1108,13 +1146,11 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do end def add_mention_tags(object) do - mentions = - object - |> Utils.get_notified_from_object() - |> Enum.map(&build_mention_tag/1) + {enabled_receivers, disabled_receivers} = Utils.get_notified_from_object(object) + potential_receivers = enabled_receivers ++ disabled_receivers + mentions = Enum.map(potential_receivers, &build_mention_tag/1) tags = object["tag"] || [] - Map.put(object, "tag", tags ++ mentions) end @@ -1124,7 +1160,7 @@ 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 @@ -1218,12 +1254,8 @@ 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} @@ -1231,9 +1263,9 @@ 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 @@ -1244,4 +1276,45 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def maybe_fix_user_url(data), do: data def maybe_fix_user_object(data), do: maybe_fix_user_url(data) + + defp ensure_context_presence(%{"context" => context} = data) when is_binary(context), + do: {:ok, data} + + defp ensure_context_presence(%{"object" => object} = data) when is_binary(object) do + with %{data: %{"context" => context}} when is_binary(context) <- Object.normalize(object) do + {:ok, Map.put(data, "context", context)} + else + _ -> + {:error, :no_context} + end + end + + defp ensure_context_presence(_) do + {:error, :no_context} + end + + defp ensure_recipients_presence(%{"to" => [_ | _], "cc" => [_ | _]} = data), + do: {:ok, data} + + defp ensure_recipients_presence(%{"object" => object} = data) do + case Object.normalize(object) do + %{data: %{"actor" => actor}} -> + data = + data + |> Map.put("to", [actor]) + |> Map.put("cc", data["cc"] || []) + + {:ok, data} + + nil -> + {:error, :no_object} + + _ -> + {:error, :no_actor} + end + end + + defp ensure_recipients_presence(_) do + {:error, :no_object} + end end diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index 15dd2ed45..2d685ecc0 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -440,22 +440,19 @@ 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 @@ -798,102 +795,6 @@ defmodule Pleroma.Web.ActivityPub.Utils do 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) diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex index bc21ac6c7..34590b16d 100644 --- a/lib/pleroma/web/activity_pub/views/user_view.ex +++ b/lib/pleroma/web/activity_pub/views/user_view.ex @@ -79,10 +79,7 @@ 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")) %{ "id" => user.ap_id, @@ -103,7 +100,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do }, "endpoints" => endpoints, "attachment" => fields, - "tag" => (user.source_data["tag"] || []) ++ emoji_tags, + "tag" => emoji_tags, "discoverable" => user.discoverable } |> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user)) |