From: "kallistec (Daniel DeLeo)" <dan@...>
Date: 2013-11-20T07:04:18+09:00
Subject: [ruby-core:58438] [ruby-trunk - Bug #9129][Open] Regression in	support for IPv6 literals in URIs with Net::HTTP


Issue #9129 has been reported by kallistec (Daniel DeLeo).

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Bug #9129: Regression in support for IPv6 literals in URIs with Net::HTTP
https://bugs.ruby-lang.org/issues/9129

Author: kallistec (Daniel DeLeo)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674) [x86_64-darwin12.4.0]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


The proxy code in Net::HTTP constructs a URI string by concatenating the address with the port. If the address is IPv6, this is incorrect, the address should be surrounded by square brackets. My code is failing in the Net::HTTP#proxy_uri method. The error can be reproduced by:

ruby -r'net/http' -e 'Net::HTTP.new("::1", 80).proxy_uri'
/Users/ddeleo/.rbenv/versions/2.0.0-p247/lib/ruby/2.0.0/uri/generic.rb:214:in `initialize': the scheme http does not accept registry part: ::1:80 (or bad hostname?) (URI::InvalidURIError)
	from /Users/ddeleo/.rbenv/versions/2.0.0-p247/lib/ruby/2.0.0/uri/http.rb:84:in `initialize'
	from /Users/ddeleo/.rbenv/versions/2.0.0-p247/lib/ruby/2.0.0/uri/common.rb:214:in `new'
	from /Users/ddeleo/.rbenv/versions/2.0.0-p247/lib/ruby/2.0.0/uri/common.rb:214:in `parse'
	from /Users/ddeleo/.rbenv/versions/2.0.0-p247/lib/ruby/2.0.0/uri/common.rb:747:in `parse'
	from /Users/ddeleo/.rbenv/versions/2.0.0-p247/lib/ruby/2.0.0/uri/common.rb:994:in `URI'
	from /Users/ddeleo/.rbenv/versions/2.0.0-p247/lib/ruby/2.0.0/net/http.rb:1027:in `proxy_uri'
	from -e:1:in `<main>'


Though I've not tried to reproduce on current trunk, the implementation of Net::HTTP#proxy_uri is unchanged from 2.0.0p0 and current trunk.

My application's tests pass if I monkey patch that method as follows:

      def proxy_uri # :nodoc:
        ipv6_safe_addr = address.to_s.include?(":") ? "[#{address}]" : address
        @proxy_uri ||= URI("http://#{ipv6_safe_addr}:#{port}").find_proxy
      end



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