update local modifications for cors and cp

config/application.rb

@@ -71,10 +71,13 @@ module Mastodon
     config.middleware.insert_before 0, Rack::Cors do
       allow do
         origins  '*'
-        resource '/assets/*', headers: :any, methods: [:get, :head, :options]
         resource '/@:username',  headers: :any, methods: [:get], credentials: false
         resource '/api/*',       headers: :any, methods: [:post, :put, :delete, :get, :patch, :options], credentials: false, expose: ['Link', 'X-RateLimit-Reset', 'X-RateLimit-Limit', 'X-RateLimit-Remaining', 'X-Request-Id']
         resource '/oauth/token', headers: :any, methods: [:post], credentials: false
+        resource '/assets/*', headers: :any, methods: [:get, :head, :options]
+        resource '/stylesheets/*', headers: :any, methods: [:get, :head, :options]
+        resource '/javascripts/*', headers: :any, methods: [:get, :head, :options]
+        resource '/packs/*', headers: :any, methods: [:get, :head, :options]
       end
     end
 

config/environments/production.rb

@@ -97,5 +97,8 @@ Rails.application.configure do
     'X-Frame-Options'         => 'DENY',
     'X-Content-Type-Options'  => 'nosniff',
     'X-XSS-Protection'        => '1; mode=block',
+    'Content-Security-Policy' => "frame-ancestors 'none'; object-src 'none'; script-src 'self' https://dev-static.glitch.social 'unsafe-inline'; base-uri 'none';" , 
+    'Referrer-Policy'         => 'no-referrer, strict-origin-when-cross-origin',
+    'Strict-Transport-Security' => 'max-age=63072000; includeSubDomains; preload'
   }
 end