Created
August 1, 2009 05:45
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Multiplexing Proxy
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curl http://localhost:9999 -d destip=127.0.0.1 |
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require "rubygems" | |
require "webrick/httpproxy" | |
module WEBrick | |
class HTTPRequest | |
attr_writer :host, :port, :request_uri, :unparsed_uri, :request_line, :path | |
end | |
end | |
class MultiplexingProxy < WEBrick::HTTPProxyServer | |
def initialize(options) | |
super(options) | |
end | |
def service(req, res) | |
puts "*" * 50 | |
dest = destination(req) | |
puts "Destination: #{dest}" | |
site_uri = URI.parse(dest) | |
req.host = req.request_uri.host = site_uri.host | |
req.port = req.request_uri.port = site_uri.port | |
req.request_line.gsub(/^(\w+) .+ (HTTP.+)$/, "#{$1} #{req.path} #{$2}") | |
req.unparsed_uri = req.path | |
super(req, res) | |
print_response(res) | |
end | |
def destination(req) | |
req.body.match(/destip=(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/)[1] | |
end | |
def print_response(res) | |
puts "="*50 + res.body + "="*50 | |
end | |
end | |
s = MultiplexingProxy.new(:Port => 9999) | |
trap("INT") {s.shutdown} | |
s.start |
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