Adding a ghetto api token generator

lib/noah/models.rb

@@ -129,3 +129,4 @@ require File.join(File.dirname(__FILE__), 'models','applications')
 require File.join(File.dirname(__FILE__), 'models','configurations')
 require File.join(File.dirname(__FILE__), 'models','watchers')
 require File.join(File.dirname(__FILE__), 'models','ephemerals')
+require File.join(File.dirname(__FILE__), 'models','tokens')

lib/noah/models/tokens.rb

+module Noah
+  class Token < Model
+    include Taggable
+    include Linkable
+    attribute :name
+    attribute :token
+    attribute :lifetime
+
+    index :name
+    index :token
+    index :lifetime
+
+    before :save, :generate_api_token
+
+    def validate
+      super
+      assert_present :name
+      assert_unique :name
+      assert_unique :token
+    end
+
+    def to_hash
+      h = {:token => token, :lifetime => lifetime, :created_at => created_at, :updated_at => updated_at}
+      super.merge(h)
+    end
+
+    protected
+    def generate_api_token
+      # Wicked hot logic to generate an API token
+      random_string = (0...50).map{ ('a'..'z').to_a[rand(26)] }.join
+      self.token.nil? ? self.token = OpenSSL::Digest::SHA256.hexdigest(random_string << self.name << Time.now.to_s) : self.token
+    end
+
+    def save_hook
+      # called after any create,update,delete
+      # logic needed to expire any orphaned ephemerals
+    end
+
+  end
+
+end