Fix Request#host_with_port to use the standard port when Rails is behind a proxy.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2596 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Fix Request#host_with_port to use the standard port when Rails is behind a proxy. [Nicholas Seckar]
+
 * Escape query strings in the href attribute of URLs created by url_helper.  #2333 [Michael Schuerig <michael@schuerig.de>]
 
 * Improved line number reporting for template errors [Nicholas Seckar]

actionpack/lib/action_controller/cgi_process.rb

@@ -79,7 +79,15 @@ module ActionController #:nodoc:
     end
 
     def host
-      env["HTTP_X_FORWARDED_HOST"] || @cgi.host.to_s.split(":").first || ''
+      env["HTTP_X_FORWARDED_HOST"] || ($1 if env['HTTP_HOST'] && /^(.*):\d+$/ =~ env['HTTP_HOST']) || @cgi.host.to_s.split(":").first || ''
+    end
+    
+    def port
+      env["HTTP_X_FORWARDED_HOST"] ? standard_port : (port_from_http_host || super)
+    end
+    
+    def port_from_http_host
+      $1.to_i if env['HTTP_HOST'] && /:(\d+)$/ =~ env['HTTP_HOST']
     end
     
     def session

actionpack/lib/action_controller/request.rb

@@ -174,17 +174,25 @@ module ActionController
     def port
       @port_as_int ||= env['SERVER_PORT'].to_i
     end
+    
+    # Returns the standard port number for this request's protocol
+    def standard_port
+      case protocol
+        when 'https://' then 443
+        else 80
+      end
+    end
 
     # Returns a port suffix like ":8080" if the port number of this request
     # is not the default HTTP port 80 or HTTPS port 443.
     def port_string
-      (protocol == 'http://' && port == 80) || (protocol == 'https://' && port == 443) ? '' : ":#{port}"
+      (port == standard_port) ? '' : ":#{port}"
     end
 
     # Returns a host:port string for this request, such as example.com or
     # example.com:8080.
     def host_with_port
-      env['HTTP_HOST'] || host + port_string
+      host + port_string
     end
   
     def path_parameters=(parameters)

actionpack/test/controller/cgi_test.rb

@@ -1,4 +1,9 @@
 require File.dirname(__FILE__) + '/../abstract_unit'
+require 'action_controller/cgi_process'
+require 'action_controller/cgi_ext/cgi_ext'
+
+
+require 'stringio'
 
 class CGITest < Test::Unit::TestCase
   def setup
@@ -303,3 +308,23 @@ class MultipartCGITest < Test::Unit::TestCase
       $stdin = old_stdin
     end
 end
+
+
+class CGIRequestTest < Test::Unit::TestCase
+  def setup
+    @request_hash = {"HTTP_MAX_FORWARDS"=>"10", "SERVER_NAME"=>"glu.ttono.us:8007", "FCGI_ROLE"=>"RESPONDER", "HTTP_X_FORWARDED_HOST"=>"glu.ttono.us", "HTTP_ACCEPT_ENCODING"=>"gzip, deflate", "HTTP_USER_AGENT"=>"Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/312.5.1 (KHTML, like Gecko) Safari/312.3.1", "PATH_INFO"=>"", "HTTP_ACCEPT_LANGUAGE"=>"en", "HTTP_HOST"=>"glu.ttono.us:8007", "SERVER_PROTOCOL"=>"HTTP/1.1", "REDIRECT_URI"=>"/dispatch.fcgi", "SCRIPT_NAME"=>"/dispatch.fcgi", "SERVER_ADDR"=>"207.7.108.53", "REMOTE_ADDR"=>"207.7.108.53", "SERVER_SOFTWARE"=>"lighttpd/1.4.5", "HTTP_COOKIE"=>"_session_id=c84ace84796670c052c6ceb2451fb0f2; is_admin=yes", "HTTP_X_FORWARDED_SERVER"=>"glu.ttono.us", "REQUEST_URI"=>"/admin", "DOCUMENT_ROOT"=>"/home/kevinc/sites/typo/public", "SERVER_PORT"=>"8007", "QUERY_STRING"=>"", "REMOTE_PORT"=>"63137", "GATEWAY_INTERFACE"=>"CGI/1.1", "HTTP_X_FORWARDED_FOR"=>"65.88.180.234", "HTTP_ACCEPT"=>"*/*", "SCRIPT_FILENAME"=>"/home/kevinc/sites/typo/public/dispatch.fcgi", "REDIRECT_STATUS"=>"200", "REQUEST_METHOD"=>"GET"}
+    @fake_cgi = Struct.new(:env_table).new(@request_hash)
+    @request = ActionController::CgiRequest.new(@fake_cgi)
+  end
+  
+  def test_proxy_request
+    assert_equal 'glu.ttono.us', @request.host_with_port
+  end
+  
+  def test_http_host
+    @request_hash.delete "HTTP_X_FORWARDED_HOST"
+    @request_hash['HTTP_HOST'] = "rubyonrails.org:8080"
+    assert_equal "rubyonrails.org:8080", @request.host_with_port
+  end
+  
+end

actionpack/test/controller/request_test.rb

@@ -201,10 +201,6 @@ class RequestTest < Test::Unit::TestCase
   
 
   def test_host_with_port
-    @request.env['HTTP_HOST'] = "rubyonrails.org:8080"
-    assert_equal "rubyonrails.org:8080", @request.host_with_port
-    @request.env['HTTP_HOST'] = nil
-    
     @request.host = "rubyonrails.org"
     @request.port = 80
     assert_equal "rubyonrails.org", @request.host_with_port