Onion service related changes to HTTPS handling (#15560)

* Enable secure cookie flag for https only

* Disable force_ssl for .onion hosts only

Co-authored-by: Aiden McClelland <me@drbonez.dev>

config/initializers/devise.rb

@@ -9,7 +9,6 @@ Warden::Manager.after_set_user except: :fetch do |user, warden|
     value: session_id,
     expires: 1.year.from_now,
     httponly: true,
-    secure: (Rails.env.production? || ENV['LOCAL_HTTPS'] == 'true'),
     same_site: :lax,
   }
 end
@@ -20,7 +19,6 @@ Warden::Manager.after_fetch do |user, warden|
       value: warden.cookies.signed['_session_id'] || warden.raw_session['auth_id'],
       expires: 1.year.from_now,
       httponly: true,
-      secure: (Rails.env.production? || ENV['LOCAL_HTTPS'] == 'true'),
       same_site: :lax,
     }
   else
@@ -229,10 +227,6 @@ Devise.setup do |config|
   # If true, extends the user's remember period when remembered via cookie.
   # config.extend_remember_period = false
 
-  # Options to be passed to the created cookie. For instance, you can set
-  # secure: true in order to force SSL only cookies.
-  config.rememberable_options = { secure: true }
-
   # ==> Configuration for :validatable
   # Range for password length.
   config.password_length = 8..72

config/initializers/makara.rb

@@ -1,2 +1 @@
 Makara::Cookie::DEFAULT_OPTIONS[:same_site] = :lax
-Makara::Cookie::DEFAULT_OPTIONS[:secure]    = Rails.env.production? || ENV['LOCAL_HTTPS'] == 'true'

config/initializers/secureheaders.rb

@@ -0,0 +1,10 @@
+SecureHeaders::Configuration.default do |config|
+  config.cookies = {
+    secure: true,
+    httponly: true,
+    samesite: {
+      lax: true
+    }
+  }
+  config.csp = SecureHeaders::OPT_OUT
+end

config/initializers/session_store.rb

@@ -2,6 +2,5 @@
 
 Rails.application.config.session_store :cookie_store, {
   key: '_mastodon_session',
-  secure: (Rails.env.production? || ENV['LOCAL_HTTPS'] == 'true'),
   same_site: :lax,
 }