tld validation

app/models/domain.rb

@@ -45,15 +45,9 @@ class Domain < ActiveRecord::Base
     end
   end
 
-  validate :domain_ownership, :on => :create
+  validate :domain_ownership
   def domain_ownership # at least one NS is among ours
-    ns = Settings.resolv.sample
-    Resolv::DNS.open(:nameserver => ns) do |dns|
-      ress = dns.getresources name, Resolv::DNS::Resource::IN::NS
-      if (Settings.ns & ress.map{|r| r.name.to_s}).blank?
-        errors.add :base, "You must delegate #{name} to one of our NS servers before adding it"
-      end
-    end
+    errors[:name] = "cannot be a TLD or a reserved domain" if Tld.include?(name)
   end
   
   def slave?; self.type == 'SLAVE' end

app/models/tld.rb

@@ -0,0 +1,26 @@
+class Tld
+  
+  @@lines = []
+  cattr_accessor :lines
+  
+  File.open(Rails.root.join('db', 'data', 'tlds.txt').to_s) do |fd|
+    fd.each do |line|
+      unless line[0..1] == '//' || line =~ /^\s$/ # neither comment neither blank
+        @@lines << case line[0]
+        when '*' then /^[\w-]+#{Regexp.escape(line[1..-1].chomp)}$/i # wildcard
+        when '!' then /^#{Regexp.escape(line[1..-1].chomp)}$/i       # domain
+        else          /^#{Regexp.escape(line[0..-1].chomp)}$/i       # tld
+        end
+      end
+    end
+  end
+  
+  def self.include?(name)
+    for line in @@lines
+      return true if name =~ line
+    end
+    return false
+  end
+  
+end
+

spec/models/domain_spec.rb

@@ -46,4 +46,12 @@ describe Domain do
     domain.should be_valid
   end
   
+  it "validates ownership" do
+    domain.name = 'co.uk'
+    domain.should have(1).errors_on(:name)
+    
+    domain.name = 'clyfe.ro'
+    domain.should be_valid
+  end
+  
 end

spec/models/tld_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe Tld do
+
+  its ".lines" do
+   Tld.lines.should be_present
+  end
+
+  its ".include" do
+    Tld.include?('ro').should be_true
+    Tld.include?('lt').should be_true
+    Tld.include?('co.uk').should be_true
+    Tld.include?('com.au').should be_true
+    Tld.include?('ANYTHING.ar').should be_true
+    Tld.include?('pref.fukuoka.jp').should be_true
+    Tld.include?('any.toyama.jp').should be_true
+    
+    Tld.include?('clyfe.ro').should be_false
+    Tld.include?('clyfe.zooz.lt').should be_false
+  end
+
+end