Fix RSS content-type

src/invidious.cr

@@ -2439,7 +2439,7 @@ end
 get "/feed/channel/:ucid" do |env|
   locale = LOCALES[env.get("preferences").as(Preferences).locale]?
 
-  env.response.content_type = "text/xml; charset=UTF-8"
+  env.response.content_type = "application/atom+xml"
 
   ucid = env.params.url["ucid"]
 
@@ -2513,7 +2513,7 @@ end
 get "/feed/private" do |env|
   locale = LOCALES[env.get("preferences").as(Preferences).locale]?
 
-  env.response.content_type = "text/xml; charset=UTF-8"
+  env.response.content_type = "application/atom+xml"
 
   token = env.params.query["token"]?
 
@@ -2557,7 +2557,7 @@ end
 get "/feed/playlist/:plid" do |env|
   locale = LOCALES[env.get("preferences").as(Preferences).locale]?
 
-  env.response.content_type = "text/xml; charset=UTF-8"
+  env.response.content_type = "application/atom+xml"
 
   plid = env.params.url["plid"]
 

src/invidious/helpers/utils.cr

@@ -332,7 +332,7 @@ def subscribe_pubsub(topic, key, config)
   case topic
   when .match(/^UC[A-Za-z0-9_-]{22}$/)
     topic = "channel_id=#{topic}"
-  when .match(/^(?:PL|LL|EC|UU|FL|UL|OLAK5uy_)[0-9A-Za-z-_]{10,}$/)
+  when .match(/^(PL|LL|EC|UU|FL|UL|OLAK5uy_)[0-9A-Za-z-_]{10,}$/)
     # There's a couple missing from the above regex, namely TL and RD, which
     # don't have feeds
     topic = "playlist_id=#{topic}"