Kemal: remove APIHandler middleware

src/invidious.cr

@@ -217,7 +217,6 @@ public_folder "assets"
 
 Kemal.config.powered_by_header = false
 add_handler FilteredCompressHandler.new
-add_handler APIHandler.new
 add_handler AuthHandler.new
 add_handler DenyFrame.new
 add_context_storage_type(Array(String))

src/invidious/helpers/handlers.cr

@@ -134,74 +134,6 @@ class AuthHandler < Kemal::Handler
   end
 end
 
-class APIHandler < Kemal::Handler
-  {% for method in %w(GET POST PUT HEAD DELETE PATCH OPTIONS) %}
-  only ["/api/v1/*"], {{method}}
-  {% end %}
-  exclude ["/api/v1/auth/notifications"], "GET"
-  exclude ["/api/v1/auth/notifications"], "POST"
-
-  def call(env)
-    return call_next env unless only_match? env
-
-    env.response.headers["Access-Control-Allow-Origin"] = "*"
-
-    # Since /api/v1/notifications is an event-stream, we don't want
-    # to wrap the response
-    return call_next env if exclude_match? env
-
-    # Here we swap out the socket IO so we can modify the response as needed
-    output = env.response.output
-    env.response.output = IO::Memory.new
-
-    begin
-      call_next env
-
-      env.response.output.rewind
-
-      if env.response.output.as(IO::Memory).size != 0 &&
-         env.response.headers.includes_word?("Content-Type", "application/json")
-        response = JSON.parse(env.response.output)
-
-        if fields_text = env.params.query["fields"]?
-          begin
-            JSONFilter.filter(response, fields_text)
-          rescue ex
-            env.response.status_code = 400
-            response = {"error" => ex.message}
-          end
-        end
-
-        if env.params.query["pretty"]?.try &.== "1"
-          response = response.to_pretty_json
-        else
-          response = response.to_json
-        end
-      else
-        response = env.response.output.gets_to_end
-      end
-    rescue ex
-      env.response.content_type = "application/json" if env.response.headers.includes_word?("Content-Type", "text/html")
-      env.response.status_code = 500
-
-      if env.response.headers.includes_word?("Content-Type", "application/json")
-        response = {"error" => ex.message || "Unspecified error"}
-
-        if env.params.query["pretty"]?.try &.== "1"
-          response = response.to_pretty_json
-        else
-          response = response.to_json
-        end
-      end
-    ensure
-      env.response.output = output
-      env.response.print response
-
-      env.response.flush
-    end
-  end
-end
-
 class DenyFrame < Kemal::Handler
   exclude ["/embed/*"]