diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub/utils.ex')
| -rw-r--r-- | lib/pleroma/web/activity_pub/utils.ex | 139 |
1 files changed, 105 insertions, 34 deletions
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index cda106283..7b2bf8fa7 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -5,8 +5,28 @@ defmodule Pleroma.Web.ActivityPub.Utils do alias Ecto.{Changeset, UUID} import Ecto.Query + def make_json_ld_header do + %{ + "@context" => [ + "https://www.w3.org/ns/activitystreams", + "https://w3id.org/security/v1", + %{ + "manuallyApprovesFollowers" => "as:manuallyApprovesFollowers", + "sensitive" => "as:sensitive", + "Hashtag" => "as:Hashtag", + "ostatus" => "http://ostatus.org#", + "atomUri" => "ostatus:atomUri", + "inReplyToAtomUri" => "ostatus:inReplyToAtomUri", + "conversation" => "ostatus:conversation", + "toot" => "http://joinmastodon.org/ns#", + "Emoji" => "toot:Emoji" + } + ] + } + end + def make_date do - DateTime.utc_now() |> DateTime.to_iso8601 + DateTime.utc_now() |> DateTime.to_iso8601() end def generate_activity_id do @@ -18,25 +38,43 @@ defmodule Pleroma.Web.ActivityPub.Utils do end def generate_object_id do - Helpers.o_status_url(Endpoint, :object, UUID.generate) + Helpers.o_status_url(Endpoint, :object, UUID.generate()) end def generate_id(type) do - "#{Web.base_url()}/#{type}/#{UUID.generate}" + "#{Web.base_url()}/#{type}/#{UUID.generate()}" + end + + def create_context(context) do + context = context || generate_id("contexts") + changeset = Object.context_mapping(context) + + case Repo.insert(changeset) do + {:ok, object} -> + object + + # This should be solved by an upsert, but it seems ecto + # has problems accessing the constraint inside the jsonb. + {:error, _} -> + Object.get_cached_by_ap_id(context) + end end @doc """ Enqueues an activity for federation if it's local """ def maybe_federate(%Activity{local: true} = activity) do - priority = case activity.data["type"] do - "Delete" -> 10 - "Create" -> 1 - _ -> 5 - end + priority = + case activity.data["type"] do + "Delete" -> 10 + "Create" -> 1 + _ -> 5 + end + Pleroma.Web.Federator.enqueue(:publish, activity, priority) :ok end + def maybe_federate(_), do: :ok @doc """ @@ -44,12 +82,17 @@ defmodule Pleroma.Web.ActivityPub.Utils do also adds it to an included object """ def lazy_put_activity_defaults(map) do - map = map - |> Map.put_new_lazy("id", &generate_activity_id/0) - |> Map.put_new_lazy("published", &make_date/0) + %{data: %{"id" => context}, id: context_id} = create_context(map["context"]) + + map = + map + |> Map.put_new_lazy("id", &generate_activity_id/0) + |> Map.put_new_lazy("published", &make_date/0) + |> Map.put_new("context", context) + |> Map.put_new("context_id", context_id) if is_map(map["object"]) do - object = lazy_put_object_defaults(map["object"]) + object = lazy_put_object_defaults(map["object"], map) %{map | "object" => object} else map @@ -59,20 +102,24 @@ defmodule Pleroma.Web.ActivityPub.Utils do @doc """ Adds an id and published date if they aren't there. """ - def lazy_put_object_defaults(map) do + def lazy_put_object_defaults(map, activity \\ %{}) do map |> Map.put_new_lazy("id", &generate_object_id/0) |> Map.put_new_lazy("published", &make_date/0) + |> Map.put_new("context", activity["context"]) + |> Map.put_new("context_id", activity["context_id"]) end @doc """ Inserts a full object if it is contained in an activity. """ - def insert_full_object(%{"object" => %{"type" => type} = object_data}) when is_map(object_data) and type in ["Note"] do + def insert_full_object(%{"object" => %{"type" => type} = object_data}) + when is_map(object_data) and type in ["Note"] do with {:ok, _} <- Object.create(object_data) do :ok end end + def insert_full_object(_), do: :ok def update_object_in_activities(%{data: %{"id" => id}} = object) do @@ -81,7 +128,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do # Alternatively, just don't do this and fetch the current object each time. Most # could probably be taken from cache. relevant_activities = Activity.all_by_object_ap_id(id) - Enum.map(relevant_activities, fn (activity) -> + + Enum.map(relevant_activities, fn activity -> new_activity_data = activity.data |> Map.put("object", object.data) changeset = Changeset.change(activity, data: new_activity_data) Repo.update(changeset) @@ -94,11 +142,20 @@ defmodule Pleroma.Web.ActivityPub.Utils do Returns an existing like if a user already liked an object """ def get_existing_like(actor, %{data: %{"id" => id}}) do - query = from activity in Activity, - where: fragment("(?)->>'actor' = ?", activity.data, ^actor), - # this is to use the index - where: fragment("coalesce((?)->'object'->>'id', (?)->>'object') = ?", activity.data, activity.data, ^id), - where: fragment("(?)->>'type' = 'Like'", activity.data) + query = + from( + activity in Activity, + where: fragment("(?)->>'actor' = ?", activity.data, ^actor), + # this is to use the index + where: + fragment( + "coalesce((?)->'object'->>'id', (?)->>'object') = ?", + activity.data, + activity.data, + ^id + ), + where: fragment("(?)->>'type' = 'Like'", activity.data) + ) Repo.one(query) end @@ -117,10 +174,13 @@ defmodule Pleroma.Web.ActivityPub.Utils do end def update_element_in_object(property, element, object) do - with new_data <- object.data |> Map.put("#{property}_count", length(element)) |> Map.put("#{property}s", element), + with new_data <- + object.data + |> Map.put("#{property}_count", length(element)) + |> Map.put("#{property}s", element), changeset <- Changeset.change(object, data: new_data), {:ok, object} <- Repo.update(changeset), - _ <- update_object_in_activities(object) do + _ <- update_object_in_activities(object) do {:ok, object} end end @@ -130,7 +190,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do end def add_like_to_object(%Activity{data: %{"actor" => actor}}, object) do - with likes <- [actor | (object.data["likes"] || [])] |> Enum.uniq do + with likes <- [actor | object.data["likes"] || []] |> Enum.uniq() do update_likes_in_object(likes, object) end end @@ -158,13 +218,20 @@ defmodule Pleroma.Web.ActivityPub.Utils do if activity_id, do: Map.put(data, "id", activity_id), else: data end - def fetch_latest_follow(%User{ap_id: follower_id}, - %User{ap_id: followed_id}) do - query = from activity in Activity, - where: fragment("? @> ?", activity.data, ^%{type: "Follow", actor: follower_id, - object: followed_id}), - order_by: [desc: :id], - limit: 1 + def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do + query = + from( + activity in Activity, + where: + fragment( + "? @> ?", + activity.data, + ^%{type: "Follow", actor: follower_id, object: followed_id} + ), + order_by: [desc: :id], + limit: 1 + ) + Repo.one(query) end @@ -173,7 +240,11 @@ defmodule Pleroma.Web.ActivityPub.Utils do @doc """ Make announce activity data for the given actor and object """ - def make_announce_data(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object, activity_id) do + def make_announce_data( + %User{ap_id: ap_id} = user, + %Object{data: %{"id" => id}} = object, + activity_id + ) do data = %{ "type" => "Announce", "actor" => ap_id, @@ -187,7 +258,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do end def add_announce_to_object(%Activity{data: %{"actor" => actor}}, object) do - with announcements <- [actor | (object.data["announcements"] || [])] |> Enum.uniq do + with announcements <- [actor | object.data["announcements"] || []] |> Enum.uniq() do update_element_in_object("announcement", announcements, object) end end @@ -203,14 +274,14 @@ defmodule Pleroma.Web.ActivityPub.Utils do } end - #### Create-related helpers def make_create_data(params, additional) do published = params.published || make_date() + %{ "type" => "Create", - "to" => params.to |> Enum.uniq, + "to" => params.to |> Enum.uniq(), "actor" => params.actor.ap_id, "object" => params.object, "published" => published, |