From: 7stud -- <bbxx789_05ss@...>
Date: 2008-04-11T19:04:10+09:00
Subject: Re: Ruby HTTP GET Headers

Ben Aroia wrote:
> I've looked here: http://snippets.dzone.com/posts/show/788 and I'm not
> really understanding it. I am creating a client for a website, and I
> want to set the User-Agent field of the header I am sending. Is there a
> simple way to do this or is this along the lines of creating custom HTTP
> objects? I've also looked into the open-uri class, 


The following both work for me:

1) In net/http, the request_get() method allows you to specify headers 
for a GET request:

require 'net/http'
require 'uri'

pieces = URI.parse("http://localhost/cgi-bin/ruby_test.rb")
headers = {"User-Agent" => "A really cool browser"}

resp = Net::HTTP::start(pieces.host, pieces.port) do |connection|
  connection.request_get(pieces.path, headers)
end

puts resp.body



2)  In open-uri, the open() method allows you to specify headers:

require 'open-uri'

url = 'http://localhost/cgi-bin/ruby_test.rb'
headers = {"User-Agent" => "Bad Browser"}

open(url, headers) do |f|
  puts f.read
end



I tested those scripts by putting the following simple cgi script on my 
server.  The cgi script just sends back whatever the User-Agent string 
was in the request:


#!/usr/bin/env ruby

require 'cgi'

c = CGI.new

puts "Content-type: text/html"
puts
puts c.user_agent
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