Load and execute recaptcha

app/controllers/pages_controller.rb

@@ -181,7 +181,7 @@ def search_params
   end
 
   def process_one_click
-    @process_one_click ||= PaymentProcessor::Braintree::OneClickFromUri.new(
+    @process_one_click ||= ::PaymentProcessor::Braintree::OneClickFromUri.new(
       params.to_unsafe_hash,
       page: @page,
       member: recognized_member,

app/views/layouts/member_facing.slim

@@ -19,6 +19,7 @@ html lang="#{@page.language.try(:code).try(:downcase)}"
     = javascript_include_tag 'https://cdnjs.cloudflare.com/ajax/libs/jquery-ujs/1.2.2/rails.min.js'
     = javascript_include_tag 'https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js'
     = javascript_include_tag 'https://cdnjs.cloudflare.com/ajax/libs/selectize.js/0.12.6/js/standalone/selectize.min.js'
+    = javascript_include_tag "https://www.google.com/recaptcha/api.js?render=#{Settings.recaptcha3.site_key}"
 
     = javascript_packs_with_chunks_tag "sentry"
 
@@ -45,3 +46,4 @@ html lang="#{@page.language.try(:code).try(:downcase)}"
 
     = render partial: "shared/google_analytics_snippet"
     = render partial: "shared/shareprogress_snippet"
+    = render partial: "shared/recaptcha_snippet" unless Rails.env.testing?

app/views/shared/_recaptcha_snippet.slim

@@ -0,0 +1,7 @@
+javascript:
+ grecaptcha.ready(function() {
+    grecaptcha.execute("#{Settings.recaptcha3.site_key}", {action: "#{request.path}"}).
+      then(function(token) {
+          console.log(token); // put token somewhere to be later sent down the wire
+    });
+  });