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-rw-r--r--actionpack/lib/action_controller/cgi_process.rb8
1 files changed, 7 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/cgi_process.rb b/actionpack/lib/action_controller/cgi_process.rb
index 812899b327..1690f0bb58 100644
--- a/actionpack/lib/action_controller/cgi_process.rb
+++ b/actionpack/lib/action_controller/cgi_process.rb
@@ -79,7 +79,13 @@ module ActionController #:nodoc:
end
def host
- env["HTTP_X_FORWARDED_HOST"] || ($1 if env['HTTP_HOST'] && /^(.*):\d+$/ =~ env['HTTP_HOST']) || @cgi.host.to_s.split(":").first || ''
+ if env["HTTP_X_FORWARDED_HOST"]
+ env["HTTP_X_FORWARDED_HOST"].split(/,\s?/).last
+ elsif env['HTTP_HOST'] =~ /^(.*):\d+$/
+ $1
+ else
+ @cgi.host.to_s.split(":").first || ''
+ end
end
def port