Skip to content

Instantly share code, notes, and snippets.

@brookr

brookr/config.ru

Created April 16, 2012 04:36
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save brookr/2396356 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save brookr/2396356 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. Brook Riggio created this gist Apr 16, 2012.
    73 changes: 73 additions & 0 deletions config.ru
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,73 @@
    # config.ru for Pow + Wordpress, based on http://stuff-things.net/2011/05/16/legacy-development-with-pow/
    # added hackery to work around wordpress issues - Patrick Anderson ([email protected])
    # clearly this could be cleaner, but it does work

    require 'rack'
    require 'rack-legacy'
    require 'rack-rewrite'

    # patch Php from rack-legacy to substitute the original request so
    # WP's redirect_canonical doesn't do an infinite redirect of /
    module Rack
      module Legacy
        class Php
          def run(env, path)
            
            config = {'cgi.force_redirect' => 0}
            config.merge! HtAccess.merge_all(path, public_dir) if @htaccess_enabled
            config = config.collect {|(key, value)| "#{key}=#{value}"}
            config.collect! {|kv| ['-d', kv]}
            
            script, info = *path_parts(path)
            env['SCRIPT_FILENAME'] = script
            env['SCRIPT_NAME'] = strip_public script
            env['PATH_INFO'] = info
            env['REQUEST_URI'] = strip_public path
            env['REQUEST_URI'] = env['POW_ORIGINAL_REQUEST'] unless env['POW_ORIGINAL_REQUEST'].nil?
            
            super env, @php_exe, *config.flatten
          end
        end
      end
    end

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

    use Rack::Rewrite do
      # redirect /foo to /foo/ - emulate the canonical WP .htaccess rewrites
      r301 %r{(^.*/[\w\-_]+$)}, '$1/'

      rewrite %r{(.*/$)}, lambda {|match, rack_env|
        rack_env['POW_ORIGINAL_REQUEST'] = rack_env['PATH_INFO']

        if !File.exists?(File.join(Dir.getwd, rack_env['PATH_INFO']))
          return '/index.php'
        end
        INDEXES.each do |index|
          if File.exists?(File.join(Dir.getwd, rack_env['PATH_INFO'], index))
            return File.join(rack_env['PATH_INFO'], index)
          end
        end
        rack_env['PATH_INFO']
      }

      # also rewrite /?p=1 type requests
      rewrite %r{(.*/\?.*$)}, lambda {|match, rack_env|
        rack_env['POW_ORIGINAL_REQUEST'] = rack_env['PATH_INFO']
        query = match[1].split('?').last

        if !File.exists?(File.join(Dir.getwd, rack_env['PATH_INFO']))
          return '/index.php?' + query
        end
        INDEXES.each do |index|
          if File.exists?(File.join(Dir.getwd, rack_env['PATH_INFO'], index))
            return File.join(rack_env['PATH_INFO'], index) + '?' + query
          end
        end
        rack_env['PATH_INFO'] + '?' + query
      }
    end

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