Fix merge conflict

22 files changed, 263 insertions, 44 deletions

diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 2696f41c0..9e50ea3f4 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -155,7 +155,9 @@ defmodule Pleroma.Formatter do
           short_match = String.split(match, "@") |> tl() |> hd()
 
           {uuid,
-           "<span><a data-user='#{id}' class='mention' href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
+           "<span class='h-card'><a data-user='#{id}' class='u-url mention' href='#{ap_id}'>@<span>#{
+             short_match
+           }</span></a></span>"}
         end)
 
     {subs, uuid_text}
@@ -178,7 +180,7 @@ defmodule Pleroma.Formatter do
       subs ++
         Enum.map(tags, fn {tag_text, tag, uuid} ->
           url =
-            "<a data-tag='#{tag}' href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{
+            "<a class='hashtag' data-tag='#{tag}' href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{
               tag_text
             }</a>"
 
diff --git a/lib/pleroma/html.ex b/lib/pleroma/html.ex
index 0c5b0f03f..f5c6e5033 100644
--- a/lib/pleroma/html.ex
+++ b/lib/pleroma/html.ex
@@ -78,14 +78,14 @@ defmodule Pleroma.HTML.Scrubber.TwitterText do
 
   # links
   Meta.allow_tag_with_uri_attributes("a", ["href", "data-user", "data-tag"], @valid_schemes)
-  Meta.allow_tag_with_these_attributes("a", ["name", "title"])
+  Meta.allow_tag_with_these_attributes("a", ["name", "title", "class"])
 
   # paragraphs and linebreaks
   Meta.allow_tag_with_these_attributes("br", [])
   Meta.allow_tag_with_these_attributes("p", [])
 
   # microformats
-  Meta.allow_tag_with_these_attributes("span", [])
+  Meta.allow_tag_with_these_attributes("span", ["class"])
 
   # allow inline images for custom emoji
   @allow_inline_images Keyword.get(@markup, :allow_inline_images)
@@ -119,7 +119,7 @@ defmodule Pleroma.HTML.Scrubber.Default do
   Meta.strip_comments()
 
   Meta.allow_tag_with_uri_attributes("a", ["href", "data-user", "data-tag"], @valid_schemes)
-  Meta.allow_tag_with_these_attributes("a", ["name", "title"])
+  Meta.allow_tag_with_these_attributes("a", ["name", "title", "class"])
 
   Meta.allow_tag_with_these_attributes("abbr", ["title"])
 
@@ -134,7 +134,7 @@ defmodule Pleroma.HTML.Scrubber.Default do
   Meta.allow_tag_with_these_attributes("ol", [])
   Meta.allow_tag_with_these_attributes("p", [])
   Meta.allow_tag_with_these_attributes("pre", [])
-  Meta.allow_tag_with_these_attributes("span", [])
+  Meta.allow_tag_with_these_attributes("span", ["class"])
   Meta.allow_tag_with_these_attributes("strong", [])
   Meta.allow_tag_with_these_attributes("u", [])
   Meta.allow_tag_with_these_attributes("ul", [])
diff --git a/lib/pleroma/http/http.ex b/lib/pleroma/http/http.ex
index b8103cef6..75c58e6c9 100644
--- a/lib/pleroma/http/http.ex
+++ b/lib/pleroma/http/http.ex
@@ -31,12 +31,15 @@ defmodule Pleroma.HTTP do
       process_request_options(options)
       |> process_sni_options(url)
 
+    params = Keyword.get(options, :params, [])
+
     %{}
     |> Builder.method(method)
     |> Builder.headers(headers)
     |> Builder.opts(options)
     |> Builder.url(url)
     |> Builder.add_param(:body, :body, body)
+    |> Builder.add_param(:query, :query, params)
     |> Enum.into([])
     |> (&Tesla.request(Connection.new(), &1)).()
   end
diff --git a/lib/pleroma/http/request_builder.ex b/lib/pleroma/http/request_builder.ex
index bffc7c6fe..5f2cff2c0 100644
--- a/lib/pleroma/http/request_builder.ex
+++ b/lib/pleroma/http/request_builder.ex
@@ -100,6 +100,8 @@ defmodule Pleroma.HTTP.RequestBuilder do
   Map
   """
   @spec add_param(map(), atom, atom, any()) :: map()
+  def add_param(request, :query, :query, values), do: Map.put(request, :query, values)
+
   def add_param(request, :body, :body, value), do: Map.put(request, :body, value)
 
   def add_param(request, :body, key, value) do
@@ -107,7 +109,10 @@ defmodule Pleroma.HTTP.RequestBuilder do
     |> Map.put_new_lazy(:body, &Tesla.Multipart.new/0)
     |> Map.update!(
       :body,
-      &Tesla.Multipart.add_field(&1, key, Poison.encode!(value),
+      &Tesla.Multipart.add_field(
+        &1,
+        key,
+        Jason.encode!(value),
         headers: [{:"Content-Type", "application/json"}]
       )
     )
diff --git a/lib/pleroma/stats.ex b/lib/pleroma/stats.ex
index 8a030ecd0..b3566ceb6 100644
--- a/lib/pleroma/stats.ex
+++ b/lib/pleroma/stats.ex
@@ -34,10 +34,11 @@ defmodule Pleroma.Stats do
     peers =
       from(
         u in Pleroma.User,
-        select: fragment("distinct ?->'host'", u.info),
+        select: fragment("distinct split_part(?, '@', 2)", u.nickname),
         where: u.local != ^true
       )
       |> Repo.all()
+      |> Enum.filter(& &1)
 
     domain_count = Enum.count(peers)
 
@@ -45,7 +46,7 @@ defmodule Pleroma.Stats do
       from(u in User.local_user_query(), select: fragment("sum((?->>'note_count')::int)", u.info))
 
     status_count = Repo.one(status_query)
-    user_count = Repo.aggregate(User.local_user_query(), :count, :id)
+    user_count = Repo.aggregate(User.active_local_user_query(), :count, :id)
 
     Agent.update(__MODULE__, fn _ ->
       {peers, %{domain_count: domain_count, status_count: status_count, user_count: user_count}}
diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 0b1bdeec4..0a19e737b 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -34,8 +34,9 @@ defmodule Pleroma.Upload do
   require Logger
 
   @type source ::
-          Plug.Upload.t() | data_uri_string ::
-          String.t() | {:from_local, name :: String.t(), id :: String.t(), path :: String.t()}
+          Plug.Upload.t()
+          | (data_uri_string :: String.t())
+          | {:from_local, name :: String.t(), id :: String.t(), path :: String.t()}
 
   @type option ::
           {:type, :avatar | :banner | :background}
@@ -215,6 +216,12 @@ defmodule Pleroma.Upload do
   end
 
   defp url_from_spec(base_url, {:file, path}) do
+    path =
+      path
+      |> URI.encode()
+      |> String.replace("?", "%3F")
+      |> String.replace(":", "%3A")
+
     [base_url, "media", path]
     |> Path.join()
   end
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 13a476fd2..5137af917 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -822,7 +822,7 @@ defmodule Pleroma.User do
     update_and_set_cache(cng)
   end
 
-  def local_user_query() do
+  def local_user_query do
     from(
       u in User,
       where: u.local == true,
@@ -830,7 +830,14 @@ defmodule Pleroma.User do
     )
   end
 
-  def moderator_user_query() do
+  def active_local_user_query do
+    from(
+      u in local_user_query(),
+      where: fragment("?->'deactivated' @> 'false'", u.info)
+    )
+  end
+
+  def moderator_user_query do
     from(
       u in User,
       where: u.local == true,
@@ -1066,4 +1073,14 @@ defmodule Pleroma.User do
       @strict_local_nickname_regex
     end
   end
+
+  def error_user(ap_id) do
+    %User{
+      name: ap_id,
+      ap_id: ap_id,
+      info: %User.Info{},
+      nickname: "erroruser@example.com",
+      inserted_at: NaiveDateTime.utc_now()
+    }
+  end
 end
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 9c1eb377f..5b87f7462 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -515,15 +515,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_reblogs(query, _), do: query
 
-  # Only search through last 100_000 activities by default
-  defp restrict_recent(query, %{"whole_db" => true}), do: query
-
-  defp restrict_recent(query, _) do
-    since = (Repo.aggregate(Activity, :max, :id) || 0) - 100_000
-
-    from(activity in query, where: activity.id > ^since)
-  end
-
   defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
     blocks = info.blocks || []
     domain_blocks = info.domain_blocks || []
@@ -574,7 +565,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     |> restrict_actor(opts)
     |> restrict_type(opts)
     |> restrict_favorited_by(opts)
-    |> restrict_recent(opts)
     |> restrict_blocked(opts)
     |> restrict_media(opts)
     |> restrict_visibility(opts)
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index 73ca07e84..7eed0a600 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -54,6 +54,36 @@ 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),
@@ -204,6 +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..394d82fbc 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}/likes", 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
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 9a748d65e..504670439 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -103,7 +103,14 @@ defmodule Pleroma.Web.CommonAPI do
              attachments,
              tags,
              get_content_type(data["content_type"]),
-             true
+             Enum.member?(
+               [true, "true"],
+               Map.get(
+                 data,
+                 "no_attachment_links",
+                 Pleroma.Config.get([:instance, :no_attachment_links], false)
+               )
+             )
            ),
          context <- make_context(inReplyTo),
          cw <- data["spoiler_text"],
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index e00a3fb87..daad89185 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -341,7 +341,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     params =
       params
       |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
-      |> Map.put("no_attachment_links", true)
 
     idempotency_key =
       case get_req_header(conn, "idempotency-key") do
@@ -824,9 +823,9 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, res)
   end
 
-  def favourites(%{assigns: %{user: user}} = conn, _) do
+  def favourites(%{assigns: %{user: user}} = conn, params) do
     params =
-      %{}
+      params
       |> Map.put("type", "Create")
       |> Map.put("favorited_by", user.ap_id)
       |> Map.put("blocking_user", user)
@@ -836,6 +835,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       |> Enum.reverse()
 
     conn
+    |> add_link_headers(:favourites, activities)
     |> put_view(StatusView)
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index db543ffe5..7f5a52ea3 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -32,6 +32,19 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     end)
   end
 
+  defp get_user(ap_id) do
+    cond do
+      user = User.get_cached_by_ap_id(ap_id) ->
+        user
+
+      user = User.get_by_guessed_nickname(ap_id) ->
+        user
+
+      true ->
+        User.error_user(ap_id)
+    end
+  end
+
   def render("index.json", opts) do
     replied_to_activities = get_replied_to_activities(opts.activities)
 
@@ -48,7 +61,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
         "status.json",
         %{activity: %{data: %{"type" => "Announce", "object" => object}} = activity} = opts
       ) do
-    user = User.get_cached_by_ap_id(activity.data["actor"])
+    user = get_user(activity.data["actor"])
     created_at = Utils.to_masto_date(activity.data["published"])
 
     reblogged = Activity.get_create_activity_by_object_ap_id(object)
@@ -93,7 +106,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   end
 
   def render("status.json", %{activity: %{data: %{"object" => object}} = activity} = opts) do
-    user = User.get_cached_by_ap_id(activity.data["actor"])
+    user = get_user(activity.data["actor"])
 
     like_count = object["like_count"] || 0
     announcement_count = object["announcement_count"] || 0
@@ -116,7 +129,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     created_at = Utils.to_masto_date(object["published"])
 
     reply_to = get_reply_to(activity, opts)
-    reply_to_user = reply_to && User.get_cached_by_ap_id(reply_to.data["actor"])
+    reply_to_user = reply_to && get_user(reply_to.data["actor"])
 
     content =
       object
diff --git a/lib/pleroma/web/rich_media/parser.ex b/lib/pleroma/web/rich_media/parser.ex
index fe092bf19..6da83c6e4 100644
--- a/lib/pleroma/web/rich_media/parser.ex
+++ b/lib/pleroma/web/rich_media/parser.ex
@@ -1,5 +1,9 @@
 defmodule Pleroma.Web.RichMedia.Parser do
-  @parsers [Pleroma.Web.RichMedia.Parsers.OGP, Pleroma.Web.RichMedia.Parsers.TwitterCard]
+  @parsers [
+    Pleroma.Web.RichMedia.Parsers.OGP,
+    Pleroma.Web.RichMedia.Parsers.TwitterCard,
+    Pleroma.Web.RichMedia.Parsers.OEmbed
+  ]
 
   if Mix.env() == :test do
     def parse(url), do: parse_url(url)
diff --git a/lib/pleroma/web/rich_media/parsers/oembed_parser.ex b/lib/pleroma/web/rich_media/parsers/oembed_parser.ex
new file mode 100644
index 000000000..ca7226faf
--- /dev/null
+++ b/lib/pleroma/web/rich_media/parsers/oembed_parser.ex
@@ -0,0 +1,27 @@
+defmodule Pleroma.Web.RichMedia.Parsers.OEmbed do
+  def parse(html, _data) do
+    with elements = [_ | _] <- get_discovery_data(html),
+         {:ok, oembed_url} <- get_oembed_url(elements),
+         {:ok, oembed_data} <- get_oembed_data(oembed_url) do
+      {:ok, oembed_data}
+    else
+      _e -> {:error, "No OEmbed data found"}
+    end
+  end
+
+  defp get_discovery_data(html) do
+    html |> Floki.find("link[type='application/json+oembed']")
+  end
+
+  defp get_oembed_url(nodes) do
+    {"link", attributes, _children} = nodes |> hd()
+
+    {:ok, Enum.into(attributes, %{})["href"]}
+  end
+
+  defp get_oembed_data(url) do
+    {:ok, %Tesla.Env{body: json}} = Pleroma.HTTP.get(url)
+
+    {:ok, Poison.decode!(json)}
+  end
+end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 25e866c48..68b02d8ca 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -431,6 +431,7 @@ defmodule Pleroma.Web.Router do
     get("/users/:nickname/followers", ActivityPubController, :followers)
     get("/users/:nickname/following", ActivityPubController, :following)
     get("/users/:nickname/outbox", ActivityPubController, :outbox)
+    get("/objects/:uuid/likes", ActivityPubController, :object_likes)
   end
 
   pipeline :activitypub_client do
diff --git a/lib/pleroma/web/twitter_api/views/activity_view.ex b/lib/pleroma/web/twitter_api/views/activity_view.ex
index 108e7bfc5..03708d84c 100644
--- a/lib/pleroma/web/twitter_api/views/activity_view.ex
+++ b/lib/pleroma/web/twitter_api/views/activity_view.ex
@@ -101,20 +101,10 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
         user
 
       true ->
-        error_user(ap_id)
+        User.error_user(ap_id)
     end
   end
 
-  defp error_user(ap_id) do
-    %User{
-      name: ap_id,
-      ap_id: ap_id,
-      info: %User.Info{},
-      nickname: "erroruser@example.com",
-      inserted_at: NaiveDateTime.utc_now()
-    }
-  end
-
   def render("index.json", opts) do
     context_ids = collect_context_ids(opts.activities)
     users = collect_users(opts.activities)
diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index 3a287edd9..7ca62c83b 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -121,6 +121,12 @@ defmodule Pleroma.Web.Websub do
     end
   end
 
+  def incoming_subscription_request(user, params) do
+    Logger.info("Unhandled WebSub request for #{user.nickname}: #{inspect(params)}")
+
+    {:error, "Invalid WebSub request"}
+  end
+
   defp get_subscription(topic, callback) do
     Repo.get_by(WebsubServerSubscription, topic: topic, callback: callback) ||
       %WebsubServerSubscription{}
diff --git a/lib/pleroma/web/websub/websub_controller.ex b/lib/pleroma/web/websub/websub_controller.ex
index 27304d988..e58f144e5 100644
--- a/lib/pleroma/web/websub/websub_controller.ex
+++ b/lib/pleroma/web/websub/websub_controller.ex
@@ -67,6 +67,13 @@ defmodule Pleroma.Web.Websub.WebsubController do
     end
   end
 
+  def websub_subscription_confirmation(conn, params) do
+    Logger.info("Invalid WebSub confirmation request: #{inspect(params)}")
+
+    conn
+    |> send_resp(500, "Invalid parameters")
+  end
+
   def websub_incoming(conn, %{"id" => id}) do
     with "sha1=" <> signature <- hd(get_req_header(conn, "x-hub-signature")),
          signature <- String.downcase(signature),