lib/challah/techniques/api_key_technique.rb in challah-0.5.4 vs lib/challah/techniques/api_key_technique.rb in challah-0.6.0

@@ -1,26 +1,27 @@
 module Challah
+  # Allows authentication with an api_key URL parameter.
   class ApiKeyTechnique
     def initialize(session)
-      @key = session.key? ? session.key : nil   
+      @key = session.key? ? session.key : nil
     end
-    
+
     def authenticate
       # Api key functionality is only enabled with the :api_key_enabled option. This is turned
       # off by default and must be manually enabled for security reasons.
       return nil unless Challah.options[:api_key_enabled]
-      
+
       unless @key.to_s.blank?
         user = ::User.find_by_api_key(@key)
-        
+
         if user and user.active?
           return user
         end
       end
-      
+
       nil
     end
-    
+
     def persist?
       false
     end
   end
 end
\ No newline at end of file