hostname en los formularios de contacto

app/controllers/api/v1/contact_controller.rb

@@ -64,8 +64,13 @@ module Api
         render html: body(:gave_consent), status: status
       end
 
+      # Realiza la inversa de Site#hostname
       def site_id
+        @site_id ||= if params[:site_id].end_with? Site.domain
                        params[:site_id].gsub(/\.#{Site.domain}\z/, '')
+                     else
+                       "#{params[:site_id]}."
+        end
       end
 
       # Encuentra el sitio

app/models/site.rb

@@ -68,10 +68,9 @@ class Site < ApplicationRecord
   end
 
   def hostname
-    return @hostname unless name_changed? || @hostname.blank?
-
     sub = name || I18n.t('deploys.deploy_local.ejemplo')
-    @hostname = if sub.ends_with? '.'
+
+    if sub.ends_with? '.'
       sub.gsub(/\.\Z/, '')
     else
       "#{sub}.#{Site.domain}"

test/controllers/api/v1/contact_controller_test.rb

@@ -18,7 +18,7 @@ module Api
       test 'el sitio tiene que existir' do
         @site.destroy
 
-        post v1_site_contact_url(@site),
+        post v1_site_contact_url(site_id: @site.hostname),
              params: {
                name: SecureRandom.hex,
                pronouns: SecureRandom.hex,
@@ -33,7 +33,7 @@ module Api
       end
 
       test 'hay que enviar desde el sitio principal' do
-        post v1_site_contact_url(@site),
+        post v1_site_contact_url(site_id: @site.hostname),
              params: {
                name: SecureRandom.hex,
                pronouns: SecureRandom.hex,
@@ -48,7 +48,7 @@ module Api
       end
 
       test 'hay que dar consentimiento' do
-        post v1_site_contact_url(@site),
+        post v1_site_contact_url(site_id: @site.hostname),
              headers: {
                Origin: @site.url
              },
@@ -90,6 +90,35 @@ module Api
         assert_equal redirect, response.headers['Location']
         assert_equal 2, ActionMailer::Base.deliveries.size
       end
+
+      test 'se puede enviar mensajes a dominios propios' do
+        ActionMailer::Base.deliveries.clear
+
+        @site.update name: 'example.org.'
+
+        redirect = "#{@site.url}?thanks"
+
+        10.times do
+          create :rol, site: @site
+        end
+
+        post v1_site_contact_url(site_id: @site.hostname),
+             headers: {
+               Origin: @site.url
+             },
+             params: {
+               name: SecureRandom.hex,
+               pronouns: SecureRandom.hex,
+               contact: SecureRandom.hex,
+               from: "#{SecureRandom.hex}@sutty.nl",
+               body: SecureRandom.hex,
+               gdpr: true,
+               redirect: redirect
+             }
+
+        assert_equal redirect, response.headers['Location']
+        assert_equal 2, ActionMailer::Base.deliveries.size
+      end
     end
   end
 end