* lib/open-uri.rb (URI::HTTP#proxy_open): set Host: field explicitly.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@6191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 4 deletions

diff --git a/lib/open-uri.rb b/lib/open-uri.rb
index b41fcb402..a6186fbb2 100644
--- a/lib/open-uri.rb
+++ b/lib/open-uri.rb
@@ -1,7 +1,7 @@
 #= open-uri.rb
 #
 #open-uri.rb is easy-to-use wrapper for net/http and net/ftp.
-# 
+#
 #== Example
 #
 #It is possible to open http/ftp URL as usual a file:
@@ -40,7 +40,7 @@
 #  }
 #
 #URI objects can be opened in similar way.
-# 
+#
 #  uri = URI.parse("http://www.ruby-lang.org/en/")
 #  uri.open {|f|
 #    ...
@@ -66,7 +66,7 @@ module Kernel
   # If the first argument respond to `open' method,
   # the method is called with the rest arguments.
   #
-  # If the first argument is a string which begins with xxx://, 
+  # If the first argument is a string which begins with xxx://,
   # it is parsed by URI.parse.  If the parsed object respond to `open' method,
   # the method is called with the rest arguments.
   #
@@ -181,7 +181,7 @@ module OpenURI
         end
         uri = redirect
         raise "HTTP redirection loop: #{uri}" if uri_set.include? uri.to_s
-        uri_set[uri.to_s] = true 
+        uri_set[uri.to_s] = true
       else
         break
       end
@@ -529,6 +529,16 @@ module URI
       header = {}
       options.each {|k, v| header[k] = v if String === k }
 
+      if uri.respond_to? :host
+        # According to RFC2616 14.23, Host: request-header field should be set
+        # an origin server.
+        # But net/http wrongly set a proxy server if an absolute URI is
+        # specified as a request URI.
+        # So open-uri override it here explicitly.
+        header['host'] = uri.host
+        header['host'] += ":#{uri.port}" if uri.port
+      end
+
       require 'net/http'
       resp = nil
       Net::HTTP.start(self.host, self.port) {|http|