diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub')
-rw-r--r-- | lib/pleroma/web/activity_pub/activity_pub.ex | 33 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/activity_pub_controller.ex | 52 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex | 29 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/transmogrifier.ex | 20 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/utils.ex | 21 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/views/object_view.ex | 34 |
6 files changed, 173 insertions, 16 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index ea65538b6..5b87f7462 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -364,21 +364,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do @valid_visibilities ~w[direct unlisted public private] - defp restrict_visibility(query, %{visibility: "direct"}) do - public = "https://www.w3.org/ns/activitystreams#Public" + defp restrict_visibility(query, %{visibility: visibility}) + when visibility in @valid_visibilities do + query = + from( + a in query, + where: + fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility) + ) - from( - activity in query, - join: sender in User, - on: sender.ap_id == activity.actor, - # Are non-direct statuses with no to/cc possible? - where: - fragment( - "not (? && ?)", - [^public, sender.follower_address], - activity.recipients - ) - ) + Ecto.Adapters.SQL.to_sql(:all, Repo, query) + + query end defp restrict_visibility(_query, %{visibility: visibility}) @@ -394,6 +391,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> Map.put("type", ["Create", "Announce"]) |> Map.put("actor_id", user.ap_id) |> Map.put("whole_db", true) + |> Map.put("pinned_activity_ids", user.info.pinned_activities) recipients = if reading_user do @@ -543,6 +541,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do ) end + 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 + def fetch_activities_query(recipients, opts \\ %{}) do base_query = from( @@ -566,6 +570,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> restrict_visibility(opts) |> restrict_replies(opts) |> restrict_reblogs(opts) + |> restrict_pinned(opts) end def fetch_activities(recipients, opts \\ %{}) do diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex index a3f736fee..7eed0a600 100644 --- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex +++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex @@ -54,6 +54,49 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end end + def object_likes(conn, %{"uuid" => uuid, "page" => page}) do + with ap_id <- o_status_url(conn, :object, uuid), + %Object{} = object <- Object.get_cached_by_ap_id(ap_id), + {_, true} <- {:public?, ActivityPub.is_public?(object)}, + likes <- Utils.get_object_likes(object) do + {page, _} = Integer.parse(page) + + conn + |> put_resp_header("content-type", "application/activity+json") + |> json(ObjectView.render("likes.json", ap_id, likes, page)) + else + {:public?, false} -> + {:error, :not_found} + end + end + + def object_likes(conn, %{"uuid" => uuid}) do + with ap_id <- o_status_url(conn, :object, uuid), + %Object{} = object <- Object.get_cached_by_ap_id(ap_id), + {_, true} <- {:public?, ActivityPub.is_public?(object)}, + likes <- Utils.get_object_likes(object) do + conn + |> put_resp_header("content-type", "application/activity+json") + |> json(ObjectView.render("likes.json", ap_id, likes)) + else + {:public?, false} -> + {:error, :not_found} + end + end + + def activity(conn, %{"uuid" => uuid}) do + with ap_id <- o_status_url(conn, :activity, uuid), + %Activity{} = activity <- Activity.normalize(ap_id), + {_, true} <- {:public?, ActivityPub.is_public?(activity)} do + conn + |> put_resp_header("content-type", "application/activity+json") + |> json(ObjectView.render("object.json", %{object: activity})) + else + {:public?, false} -> + {:error, :not_found} + end + end + def following(conn, %{"nickname" => nickname, "page" => page}) do with %User{} = user <- User.get_cached_by_nickname(nickname), {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do @@ -191,6 +234,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end end + def handle_user_activity(user, %{"type" => "Like"} = params) do + with %Object{} = object <- Object.normalize(params["object"]), + {:ok, activity, _object} <- ActivityPub.like(user, object) do + {:ok, activity} + else + _ -> {:error, "Can't like object"} + end + end + def handle_user_activity(_, _) do {:error, "Unhandled activity type"} 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 new file mode 100644 index 000000000..081456046 --- /dev/null +++ b/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex @@ -0,0 +1,29 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2019 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.MRF.NoPlaceholderTextPolicy do + @behaviour Pleroma.Web.ActivityPub.MRF + + @impl true + def filter( + %{ + "type" => "Create", + "object" => %{"content" => content, "attachment" => _attachment} = child_object + } = object + ) + when content in [".", "<p>.</p>"] do + child_object = + child_object + |> Map.put("content", "") + + object = + object + |> Map.put("object", child_object) + + {:ok, object} + end + + @impl true + def filter(object), do: {:ok, object} +end diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index 87b7fc07f..86d11c874 100644 --- a/lib/pleroma/web/activity_pub/transmogrifier.ex +++ b/lib/pleroma/web/activity_pub/transmogrifier.ex @@ -629,6 +629,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> add_mention_tags |> add_emoji_tags |> add_attributed_to + |> add_likes |> prepare_attachments |> set_conversation |> set_reply_to_uri @@ -641,7 +642,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do # internal -> Mastodon # """ - def prepare_outgoing(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do + def prepare_outgoing(%{"type" => "Create", "object" => object} = data) do object = object |> prepare_object @@ -788,6 +789,22 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do |> Map.put("attributedTo", attributedTo) end + def add_likes(%{"id" => id, "like_count" => likes} = object) do + likes = %{ + "id" => "#{id}/likes", + "first" => "#{id}/likes?page=1", + "type" => "OrderedCollection", + "totalItems" => likes + } + + object + |> Map.put("likes", likes) + end + + def add_likes(object) do + object + end + def prepare_attachments(object) do attachments = (object["attachment"] || []) @@ -803,7 +820,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do defp strip_internal_fields(object) do object |> Map.drop([ - "likes", "like_count", "announcements", "announcement_count", diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index b313996db..6ecab773c 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -231,6 +231,27 @@ defmodule Pleroma.Web.ActivityPub.Utils do Repo.one(query) end + @doc """ + Returns like activities targeting an object + """ + def get_object_likes(%{data: %{"id" => id}}) do + query = + from( + activity in Activity, + # this is to use the index + where: + fragment( + "coalesce((?)->'object'->>'id', (?)->>'object') = ?", + activity.data, + activity.data, + ^id + ), + where: fragment("(?)->>'type' = 'Like'", activity.data) + ) + + Repo.all(query) + end + def make_like_data(%User{ap_id: ap_id} = actor, %{data: %{"id" => id}} = object, activity_id) do data = %{ "type" => "Like", diff --git a/lib/pleroma/web/activity_pub/views/object_view.ex b/lib/pleroma/web/activity_pub/views/object_view.ex index b5c9bf8d0..193042056 100644 --- a/lib/pleroma/web/activity_pub/views/object_view.ex +++ b/lib/pleroma/web/activity_pub/views/object_view.ex @@ -35,4 +35,38 @@ defmodule Pleroma.Web.ActivityPub.ObjectView do Map.merge(base, additional) end + + def render("likes.json", ap_id, likes, page) do + collection(likes, "#{ap_id}/likes", page) + |> Map.merge(Pleroma.Web.ActivityPub.Utils.make_json_ld_header()) + end + + def render("likes.json", ap_id, likes) do + %{ + "id" => "#{ap_id}/likes", + "type" => "OrderedCollection", + "totalItems" => length(likes), + "first" => collection(likes, "#{ap_id}/followers", 1) + } + |> Map.merge(Pleroma.Web.ActivityPub.Utils.make_json_ld_header()) + end + + def collection(collection, iri, page) do + offset = (page - 1) * 10 + items = Enum.slice(collection, offset, 10) + items = Enum.map(items, fn object -> Transmogrifier.prepare_object(object.data) end) + total = length(collection) + + map = %{ + "id" => "#{iri}?page=#{page}", + "type" => "OrderedCollectionPage", + "partOf" => iri, + "totalItems" => total, + "orderedItems" => items + } + + if offset < total do + Map.put(map, "next", "#{iri}?page=#{page + 1}") + end + end end |