fix: serve sender hls public path

Accept the current /sender/hls route in the Sender HLS plug while preserving the legacy plugin-slug path. Add direct plug coverage for both path shapes.

lib/sender_web/hls_plug.ex

@@ -8,6 +8,11 @@ defmodule TribeOne.TribesPlugin.SenderWeb.HLSPlug do
 
   def init(opts), do: opts
 
+  def call(%{method: method, path_info: ["sender", "hls" | path_segments]} = conn, _opts)
+      when method in ["GET", "HEAD"] do
+    serve(conn, path_segments)
+  end
+
   def call(
         %{method: method, path_info: ["tribe-one-sender", "hls" | path_segments]} = conn,
         _opts

test/sender/hls_plug_test.exs

@@ -0,0 +1,58 @@
+defmodule TribeOne.TribesPlugin.Sender.HLSPlugTest do
+  use ExUnit.Case, async: false
+
+  import Plug.Conn
+  import Plug.Test
+
+  alias TribeOne.TribesPlugin.Sender.{HLS, Stats}
+  alias TribeOne.TribesPlugin.SenderWeb.HLSPlug
+
+  setup do
+    if Process.whereis(Stats) == nil do
+      start_supervised!(Stats)
+    end
+
+    :ok = Stats.reset()
+
+    root =
+      Path.join(System.tmp_dir!(), "sender-hls-plug-test-#{System.unique_integer([:positive])}")
+
+    path = Path.join([root, "streams", "stream", "generation"])
+    File.mkdir_p!(path)
+    File.write!(Path.join(path, "media.m3u8"), "#EXTM3U\n")
+
+    previous = Application.get_env(:sender, HLS, [])
+    Application.put_env(:sender, HLS, Keyword.put(previous, :spool_root, root))
+
+    on_exit(fn ->
+      Application.put_env(:sender, HLS, previous)
+      File.rm_rf!(root)
+    end)
+
+    :ok
+  end
+
+  test "serves the current public sender HLS path" do
+    conn =
+      :get
+      |> conn("/sender/hls/streams/stream/generation/media.m3u8")
+      |> HLSPlug.call([])
+
+    assert conn.halted
+    assert conn.status == 200
+    assert conn.resp_body == "#EXTM3U\n"
+    assert [content_type] = get_resp_header(conn, "content-type")
+    assert content_type =~ "application/vnd.apple.mpegurl"
+  end
+
+  test "keeps the legacy plugin slug HLS path working" do
+    conn =
+      :get
+      |> conn("/tribe-one-sender/hls/streams/stream/generation/media.m3u8")
+      |> HLSPlug.call([])
+
+    assert conn.halted
+    assert conn.status == 200
+    assert conn.resp_body == "#EXTM3U\n"
+  end
+end