Config.ru files with Pow! in mind

config.legacy.ru

# config.ru for running legacy apps through pow!
# credit: http://stuff-things.net/2011/05/16/legacy-development-with-pow/ & .rvm mod @ https://github.com/DoppioJP/php-on-.pow/blob/master/config.ru
# notes: just saving as a gist because in all honestly i'd probably lose it otherwise

$:.push("/Users/#{`whoami`}/.rvm/gems/ruby-1.9.2-p290@3.1/gems/rack-1.3.0/lib/")
$:.push("/Users/#{`whoami`}/.rvm/gems/ruby-1.9.2-p290@3.1/gems/rack-legacy-0.2.0/lib/")
$:.push("/Users/#{`whoami`}/.rvm/gems/ruby-1.9.2-p290@3.1/gems/rack-rewrite-1.0.2/lib/")

require "rack"
require "rack-legacy"
require "rack-rewrite"

INDEXES = ["index.html","index.php", "index.cgi"]

use Rack::Rewrite do
  rewrite %r{(.*/$)}, lambda {|match, rack_env|
    to_return = rack_env["PATH_INFO"]
    INDEXES.each do |index|
      if File.exists?(File.join(Dir.getwd, rack_env["PATH_INFO"], index))
        to_return = rack_env["PATH_INFO"] + index
      end
    end

    to_return
  }
end

use Rack::Legacy::Php, Dir.getwd
use Rack::Legacy::Cgi, Dir.getwd
run Rack::File.new Dir.getwd

config.node.ru

# config.ru with node in mind
# credit: http://labnotes.org/2011/08/09/using-pow-with-your-node-js-project/
require "net/http"
 
class ProxyApp
  def call(env)
    begin
      request = Rack::Request.new(env)
      headers = {}
      env.each do |key, value|
        if key =~ /^http_(.*)/i
          headers[$1] = value
        end
      end
      http = Net::HTTP.new("localhost", 8080)
      http.start do |http|
        response = http.send_request(request.request_method, request.fullpath, request.body.read, headers)
        [response.code, response.to_hash, [response.body]]
      end
    rescue Errno::ECONNREFUSED
      [500, {}, ["Server is down, try $ npm start"]]
    end
  end
end
run ProxyApp.new

config.proxy-to-apache.ru

# credit: https://github.com/danott/dotfiles/blob/master/phpow/config.ru
require 'net/http'

class PhpPowApp
  
  def call(env)
    
    request = Rack::Request.new(env)
    headers = {}
    
    # Make the POW request to the Apache server
    # http://myapp.dev/full/path/goes/here/
    # ...will map to...
    # http://myapp.dev:8888/full/path/goes/here/
    http = Net::HTTP.new(request.host, 8888)      
    response = http.send_request(request.request_method, request.fullpath, request.body.read, headers)

    # Map Net::HTTP response back to Rack::Request.call expects
    status, headers, body = response.code, response.to_hash, [response.body]

    # Research showed that browsers were choking on this for some reason.
    # Probably not the be-all-end-all solution, but works for local development thus far.
    headers.delete('transfer-encoding')

    # Send the response back to POW
    [status, headers, body]

  rescue Errno::ECONNREFUSED
    [500, {}, ["Server is down, try $ sudo apachectl start"]]
  end
end
run PhpPowApp.new