Merge branch 'main' into glitch-soc/merge-upstream

config/initializers/application_controller_renderer.rb

@@ -1,6 +1,8 @@
 # Be sure to restart your server when you modify this file.
 
-# ApplicationController.renderer.defaults.merge!(
-#   http_host: 'example.org',
-#   https: false
-# )
+# ActiveSupport::Reloader.to_prepare do
+#   ApplicationController.renderer.defaults.merge!(
+#     http_host: 'example.org',
+#     https: false
+#   )
+# end

config/initializers/backtrace_silencers.rb

@@ -1,7 +1,8 @@
 # Be sure to restart your server when you modify this file.
 
 # You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
-# Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
+# Rails.backtrace_cleaner.add_silencer { |line| /my_noisy_library/.match?(line) }
 
-# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code.
-# Rails.backtrace_cleaner.remove_silencers!
+# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code
+# by setting BACKTRACE=1 before calling your invocation, like "BACKTRACE=1 ./bin/rails runner 'MyClass.perform'".
+Rails.backtrace_cleaner.remove_silencers! if ENV["BACKTRACE"]

config/initializers/content_security_policy.rb

@@ -51,17 +51,7 @@ end
 
 Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
 
-# Monkey-patching Rails 5
-module ActionDispatch
-  class ContentSecurityPolicy
-    def nonce_directive?(directive)
-      directive == 'style-src'
-    end
-  end
-end
-
-# Rails 6 would require the following instead:
-# Rails.application.config.content_security_policy_nonce_directives = %w(style-src)
+Rails.application.config.content_security_policy_nonce_directives = %w(style-src)
 
 PgHero::HomeController.content_security_policy do |p|
   p.script_src :self, :unsafe_inline, assets_host

config/initializers/permissions_policy.rb

@@ -0,0 +1,11 @@
+# Define an application-wide HTTP permissions policy. For further
+# information see https://developers.google.com/web/updates/2018/06/feature-policy
+#
+# Rails.application.config.permissions_policy do |f|
+#   f.camera      :none
+#   f.gyroscope   :none
+#   f.microphone  :none
+#   f.usb         :none
+#   f.fullscreen  :self
+#   f.payment     :self, "https://secure.example.com"
+# end

config/initializers/preload_link_headers.rb

@@ -0,0 +1,8 @@
+# Since Rails 6.1, ActionView adds preload links for javascript files
+# in the Links header per default.
+
+# In our case, that will bloat headers too much and potentially cause
+# issues with reverse proxies. Furhermore, we don't need those links,
+# as we already output them as HTML link tags.
+
+Rails.application.config.action_view.preload_links_header = false