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-rw-r--r--lib/pleroma/web/activity_pub/activity_pub.ex33
-rw-r--r--lib/pleroma/web/activity_pub/activity_pub_controller.ex52
-rw-r--r--lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex29
-rw-r--r--lib/pleroma/web/activity_pub/transmogrifier.ex20
-rw-r--r--lib/pleroma/web/activity_pub/utils.ex21
-rw-r--r--lib/pleroma/web/activity_pub/views/object_view.ex34
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