accept comments from strangers

app/models/comment.rb

@@ -58,8 +58,7 @@ class Comment
   end
   
   def signature_valid?
-      Rails.logger.warn "Received comment has no person" unless person
-    verify_signature(creator_signature, person) 
+    person ? verify_signature(creator_signature, person) : true
   end
   
   protected

app/models/user.rb

@@ -195,7 +195,6 @@ class User
       person.save  
 
     elsif object.is_a?(Comment) 
-      object.person.save
       raise "In receive for #{self.real_name}, signature was not valid on: #{object.inspect}" unless object.post.person == self.person || object.verify_post_creator_signature
       object.save
       dispatch_comment object unless owns?(object)