Add TRUMP PLAN to pay for upcoming Net Neutrality

Removes the free plan for the White House, FCC, US Senate and Trump
hotels. Introduces special Trump Plan, 2MB of disk space for only $100/mo.

app/index.rb

@@ -54,10 +54,41 @@ get '/?' do
     @blog_feed_html = SimpleCache.get :blog_feed_html
   end
 
+  if params[:trumpplan]
+    flash[:is_trump_plan] = true
+  end
+
   erb :index, layout: :index_layout
 end
 
+def trump_plan_eligible?
+  trumpplan_path = File.join 'files', 'trumpplan.txt'
+
+  ranges = []
+
+  if File.exist? trumpplan_path
+    File.readlines(trumpplan_path).each do |range|
+      ranges << IPAddress.parse(range.strip)
+    end
+
+    parsed_ip = IPAddress.parse(request.ip)
+
+    matched_ip = false
+    ranges.each do |range|
+      if range.include? parsed_ip
+        matched_ip =  true
+      end
+    end
+    return matched_ip
+  end
+  false
+end
+
 get '/welcome' do
+  if params[:trumpplan] || flash[:is_trump_plan] || trump_plan_eligible?
+    @is_trump_plan = true
+  end
+
   require_login
   redirect '/' if current_site.supporter?
   erb :'welcome', locals: {site: current_site}

app/supporter.rb

@@ -14,7 +14,12 @@ end
 
 post '/supporter/update' do
   require_login
-  plan_type = 'supporter'
+
+  if params[:plan_type] == 'trumpplan'
+    plan_type = 'trumpplan'
+  else
+    plan_type = 'supporter'
+  end
 
   if is_special_upgrade
     require_admin