4 files changed, 69 insertions, 14 deletions

diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 88f4779c8..9e50789db 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 Pleroma.Web
   alias Pleroma.Object
   alias Pleroma.Activity
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.User
   alias Pleroma.Notification
   alias Pleroma.Web.Router.Helpers
@@ -274,13 +275,31 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     Repo.all(query)
   end
 
-  def make_like_data(%User{ap_id: ap_id} = actor, %{data: %{"id" => id}} = object, activity_id) do
+  def make_like_data(
+        %User{ap_id: ap_id} = actor,
+        %{data: %{"actor" => object_actor_id, "id" => id}} = object,
+        activity_id
+      ) do
+    object_actor = User.get_cached_by_ap_id(object_actor_id)
+
+    to =
+      if Visibility.is_public?(object) do
+        [actor.follower_address, object.data["actor"]]
+      else
+        [object.data["actor"]]
+      end
+
+    cc =
+      (object.data["to"] ++ (object.data["cc"] || []))
+      |> List.delete(actor.ap_id)
+      |> List.delete(object_actor.follower_address)
+
     data = %{
       "type" => "Like",
       "actor" => ap_id,
       "object" => id,
-      "to" => [actor.follower_address, object.data["actor"]],
-      "cc" => ["https://www.w3.org/ns/activitystreams#Public"],
+      "to" => to,
+      "cc" => cc,
       "context" => object.data["context"]
     }
 
diff --git a/lib/pleroma/web/metadata/utils.ex b/lib/pleroma/web/metadata/utils.ex
index a166800d4..5fc9c9e7b 100644
--- a/lib/pleroma/web/metadata/utils.ex
+++ b/lib/pleroma/web/metadata/utils.ex
@@ -17,14 +17,14 @@ defmodule Pleroma.Web.Metadata.Utils do
     |> Formatter.truncate()
   end
 
-  def scrub_html_and_truncate(content) when is_binary(content) do
+  def scrub_html_and_truncate(content, max_length \\ 200) when is_binary(content) do
     content
     # html content comes from DB already encoded, decode first and scrub after
     |> HtmlEntities.decode()
     |> String.replace(~r/<br\s?\/?>/, " ")
     |> HTML.strip_tags()
     |> Formatter.demojify()
-    |> Formatter.truncate()
+    |> Formatter.truncate(max_length)
   end
 
   def attachment_url(url) do
diff --git a/lib/pleroma/web/push/push.ex b/lib/pleroma/web/push/push.ex
index ddd4fe037..92f8f9ab4 100644
--- a/lib/pleroma/web/push/push.ex
+++ b/lib/pleroma/web/push/push.ex
@@ -7,7 +7,10 @@ defmodule Pleroma.Web.Push do
 
   alias Pleroma.Repo
   alias Pleroma.User
+  alias Pleroma.Activity
+  alias Pleroma.Object
   alias Pleroma.Web.Push.Subscription
+  alias Pleroma.Web.Metadata.Utils
 
   require Logger
   import Ecto.Query
@@ -119,6 +122,34 @@ defmodule Pleroma.Web.Push do
     {:noreply, state}
   end
 
+  def format_body(
+        %{activity: %{data: %{"type" => "Create", "object" => %{"content" => content}}}},
+        actor
+      ) do
+    "@#{actor.nickname}: #{Utils.scrub_html_and_truncate(content, 80)}"
+  end
+
+  def format_body(
+        %{activity: %{data: %{"type" => "Announce", "object" => activity_id}}},
+        actor
+      ) do
+    %Activity{data: %{"object" => %{"id" => object_id}}} = Activity.get_by_ap_id(activity_id)
+    %Object{data: %{"content" => content}} = Object.get_by_ap_id(object_id)
+
+    "@#{actor.nickname} repeated: #{Utils.scrub_html_and_truncate(content, 80)}"
+  end
+
+  def format_body(
+        %{activity: %{data: %{"type" => type}}},
+        actor
+      )
+      when type in ["Follow", "Like"] do
+    case type do
+      "Follow" -> "@#{actor.nickname} has followed you"
+      "Like" -> "@#{actor.nickname} has favorited your post"
+    end
+  end
+
   defp format_title(%{activity: %{data: %{"type" => type}}}) do
     case type do
       "Create" -> "New Mention"
@@ -127,13 +158,4 @@ defmodule Pleroma.Web.Push do
       "Like" -> "New Favorite"
     end
   end
-
-  defp format_body(%{activity: %{data: %{"type" => type}}}, actor) do
-    case type do
-      "Create" -> "@#{actor.nickname} has mentioned you"
-      "Follow" -> "@#{actor.nickname} has followed you"
-      "Announce" -> "@#{actor.nickname} has repeated your post"
-      "Like" -> "@#{actor.nickname} has favorited your post"
-    end
-  end
 end
diff --git a/lib/pleroma/web/rich_media/helpers.ex b/lib/pleroma/web/rich_media/helpers.ex
index abb1cf7f2..8317a1162 100644
--- a/lib/pleroma/web/rich_media/helpers.ex
+++ b/lib/pleroma/web/rich_media/helpers.ex
@@ -8,10 +8,24 @@ defmodule Pleroma.Web.RichMedia.Helpers do
   alias Pleroma.HTML
   alias Pleroma.Web.RichMedia.Parser
 
+  defp validate_page_url(page_url) when is_binary(page_url) do
+    if AutoLinker.Parser.is_url?(page_url, true) do
+      URI.parse(page_url) |> validate_page_url
+    else
+      :error
+    end
+  end
+
+  defp validate_page_url(%URI{authority: nil}), do: :error
+  defp validate_page_url(%URI{scheme: nil}), do: :error
+  defp validate_page_url(%URI{}), do: :ok
+  defp validate_page_url(_), do: :error
+
   def fetch_data_for_activity(%Activity{} = activity) do
     with true <- Pleroma.Config.get([:rich_media, :enabled]),
          %Object{} = object <- Object.normalize(activity.data["object"]),
          {:ok, page_url} <- HTML.extract_first_external_url(object, object.data["content"]),
+         :ok <- validate_page_url(page_url),
          {:ok, rich_media} <- Parser.parse(page_url) do
       %{page_url: page_url, rich_media: rich_media}
     else