3 files changed, 87 insertions, 6 deletions
diff --git a/lib/pleroma/web/feed/feed_view.ex b/lib/pleroma/web/feed/feed_view.ex
index bb1332fd3..334802e0a 100644
--- a/lib/pleroma/web/feed/feed_view.ex
+++ b/lib/pleroma/web/feed/feed_view.ex
@@ -13,21 +13,53 @@ defmodule Pleroma.Web.Feed.FeedView do
 
   require Pleroma.Constants
 
-  def prepare_activity(activity) do
+  @spec pub_date(String.t() | DateTime.t()) :: String.t()
+  def pub_date(date) when is_binary(date) do
+    date
+    |> Timex.parse!("{ISO:Extended}")
+    |> pub_date
+  end
+
+  def pub_date(%DateTime{} = date), do: Timex.format!(date, "{RFC822}")
+
+  def prepare_activity(activity, opts \\ []) do
     object = activity_object(activity)
 
+    actor =
+      if opts[:actor] do
+        Pleroma.User.get_cached_by_ap_id(activity.actor)
+      end
+
     %{
       activity: activity,
       data: Map.get(object, :data),
-      object: object
+      object: object,
+      actor: actor
     }
   end
 
+  def most_recent_update(activities) do
+    with %{updated_at: updated_at} <- List.first(activities) do
+      NaiveDateTime.to_iso8601(updated_at)
+    end
+  end
+
   def most_recent_update(activities, user) do
     (List.first(activities) || user).updated_at
     |> NaiveDateTime.to_iso8601()
   end
 
+  def feed_logo do
+    case Pleroma.Config.get([:feed, :logo]) do
+      nil ->
+        "#{Pleroma.Web.base_url()}/static/logo.png"
+
+      logo ->
+        "#{Pleroma.Web.base_url()}#{logo}"
+    end
+    |> MediaProxy.url()
+  end
+
   def logo(user) do
     user
     |> User.avatar_url()
@@ -40,6 +72,8 @@ defmodule Pleroma.Web.Feed.FeedView do
 
   def activity_title(%{data: %{"content" => content}}, opts \\ %{}) do
     content
+    |> Pleroma.Web.Metadata.Utils.scrub_html()
+    |> Pleroma.Emoji.Formatter.demojify()
     |> Formatter.truncate(opts[:max_length], opts[:omission])
     |> escape()
   end
@@ -50,6 +84,8 @@ defmodule Pleroma.Web.Feed.FeedView do
     |> escape()
   end
 
+  def activity_content(_), do: ""
+
   def activity_context(activity), do: activity.data["context"]
 
   def attachment_href(attachment) do
diff --git a/lib/pleroma/web/feed/tag_controller.ex b/lib/pleroma/web/feed/tag_controller.ex
new file mode 100644
index 000000000..9accd0872
--- /dev/null
+++ b/lib/pleroma/web/feed/tag_controller.ex
@@ -0,0 +1,41 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Feed.TagController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Config
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.Feed.FeedView
+
+  import Pleroma.Web.ControllerHelper, only: [put_in_if_exist: 3]
+
+  def feed(conn, %{"tag" => raw_tag} = params) do
+    {format, tag} = parse_tag(raw_tag)
+
+    activities =
+      %{"type" => ["Create"], "tag" => tag}
+      |> put_in_if_exist("max_id", params["max_id"])
+      |> ActivityPub.fetch_public_activities()
+
+    conn
+    |> put_resp_content_type("application/atom+xml")
+    |> put_view(FeedView)
+    |> render("tag.#{format}",
+      activities: activities,
+      tag: tag,
+      feed_config: Config.get([:feed])
+    )
+  end
+
+  @spec parse_tag(binary() | any()) :: {format :: String.t(), tag :: String.t()}
+  defp parse_tag(raw_tag) when is_binary(raw_tag) do
+    case Enum.reverse(String.split(raw_tag, ".")) do
+      [format | tag] when format in ["atom", "rss"] -> {format, Enum.join(tag, ".")}
+      _ -> {"rss", raw_tag}
+    end
+  end
+
+  defp parse_tag(raw_tag), do: {"rss", raw_tag}
+end
diff --git a/lib/pleroma/web/feed/feed_controller.ex b/lib/pleroma/web/feed/user_controller.ex
index acc0c3e6c..f5096834b 100644
--- a/lib/pleroma/web/feed/feed_controller.ex
+++ b/lib/pleroma/web/feed/user_controller.ex
@@ -2,13 +2,16 @@
 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
-defmodule Pleroma.Web.Feed.FeedController do
+defmodule Pleroma.Web.Feed.UserController do
   use Pleroma.Web, :controller
 
   alias Fallback.RedirectController
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.ActivityPubController
+  alias Pleroma.Web.Feed.FeedView
+
+  import Pleroma.Web.ControllerHelper, only: [put_in_if_exist: 3]
 
   plug(Pleroma.Plugs.SetFormatPlug when action in [:feed_redirect])
 
@@ -27,7 +30,7 @@ defmodule Pleroma.Web.Feed.FeedController do
 
   def feed_redirect(conn, %{"nickname" => nickname}) do
     with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
-      redirect(conn, external: "#{feed_url(conn, :feed, user.nickname)}.atom")
+      redirect(conn, external: "#{user_feed_url(conn, :feed, user.nickname)}.atom")
     end
   end
 
@@ -38,12 +41,13 @@ defmodule Pleroma.Web.Feed.FeedController do
           "type" => ["Create"],
           "actor_id" => user.ap_id
         }
-        |> Map.merge(Map.take(params, ["max_id"]))
+        |> put_in_if_exist("max_id", params["max_id"])
         |> ActivityPub.fetch_public_activities()
 
       conn
       |> put_resp_content_type("application/atom+xml")
-      |> render("feed.xml",
+      |> put_view(FeedView)
+      |> render("user.xml",
         user: user,
         activities: activities,
         feed_config: Pleroma.Config.get([:feed])