Fixed that Request#domain caused an exception if the domain header wasn't set in the original http request #1795 [Michael Koziarski]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2270 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 2 insertions, 1 deletions

diff --git a/actionpack/lib/action_controller/request.rb b/actionpack/lib/action_controller/request.rb
index 00f411e7be..e5dc424476 100755
--- a/actionpack/lib/action_controller/request.rb
+++ b/actionpack/lib/action_controller/request.rb
@@ -109,7 +109,7 @@ module ActionController
     # Returns the domain part of a host, such as rubyonrails.org in "www.rubyonrails.org". You can specify
     # a different <tt>tld_length</tt>, such as 2 to catch rubyonrails.co.uk in "www.rubyonrails.co.uk".
     def domain(tld_length = 1)
-      return nil if !/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/.match(host).nil?
+      return nil if !/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/.match(host).nil? or host.nil?
         
       host.split('.').last(1 + tld_length).join('.')
     end
@@ -118,6 +118,7 @@ module ActionController
     # You can specify a different <tt>tld_length</tt>, such as 2 to catch ["www"] instead of ["www", "rubyonrails"]
     # in "www.rubyonrails.co.uk".
     def subdomains(tld_length = 1)
+      return [] unless host
       parts = host.split('.')
       parts[0..-(tld_length+2)]
     end