Class: RRProxy

Inherits:
Goliath::API
  • Object
show all
Defined in:
lib/rrproxy.rb,
lib/rrproxy/version.rb

Constant Summary collapse

VERSION = 
"0.0.2"

Class Attribute Summary collapse

Instance Method Summary collapse

Class Attribute Details

.routes ⇒ Object

Returns the value of attribute routes.



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# File 'lib/rrproxy.rb', line 10

def routes
  @routes
end

Instance Method Details

#on_headers(env, headers) ⇒ Object 



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# File 'lib/rrproxy.rb', line 22

def on_headers(env, headers) env["untampered_headers"] = headers end

#options_parser(option_parser, options) ⇒ Object 



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# File 'lib/rrproxy.rb', line 15

def options_parser(option_parser, options)
  option_parser.on("-c", "--config CONFIG_FILE", "Ruby routes configuration file") do |filename|
    options[:config] = filename
  end
  abort "asdf" unless File.file?(options[:config])
end

#response(env) ⇒ Object 



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# File 'lib/rrproxy.rb', line 24

def response(env)
  uri = env["REQUEST_URI"]
  method = env["REQUEST_METHOD"]
  logger.info "Proxying #{method} #{uri}"
  method = method.downcase.to_sym
  RRProxy.routes.each do |pattern, target, replacement|
    if pattern.is_a?(Regexp)
      next unless uri =~ pattern
      uri.sub!($1, replacement) if replacement
    else
      next unless uri.start_with? pattern
      uri.sub!(pattern, replacement) if replacement
    end

    target_url = "http://#{target}#{uri}"
    headers = env["untampered_headers"]

    # Try to make it look as much as possible like the request originates with us. This removes a bunch of
    # security protections and is a reason rrproxy is only for development/testing puproses.
    headers["Host"] = target
    headers.delete "Referer"

    params = { :head => headers }
    params[:body] = env["params"] if [:put, :post, :patch].include? method

    http = EM::HttpRequest.new(target_url).send(method, params)
    response_headers = {}
    http.response_header.each do |k, v|
      response_headers[k.downcase.split("_").map(&:capitalize).join("-")] = v
    end

    return [http.response_header.status, response_headers, [http.response]]
  end
  [503, {}, "No target specified for this path."]
end