Class: URB::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/urb/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/urb/middleware.rb', line 4

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/urb/middleware.rb', line 8

def call(env)
  if env["PATH_INFO"].match(/^#{URB::PATH}(\w+)?/)
    request = Rack::Request.new env
    path = request.get? ? URB.fetch($1) : request.params["path"]

    if path
      return [302, {"Location" => "#{URB::PATH}#{URB.store(path)}"}, ["Moved Temporarily"]] unless request.get?

      path, query_string = path.match(/^([^\?]+)\?(.*)$/).captures
      params = Rack::Utils.parse_nested_query query_string
      params.each{|key, value| request.update_param key, value}

      env["PATH_INFO"] = path
      env["REQUEST_URI"] = "#{env["HTTP_ORIGIN"]}#{path}?#{query_string}" if env["REQUEST_URI"]
      env["REQUEST_PATH"] = path if env["REQUEST_PATH"]
      env["ORIGINAL_FULLPATH"] = "#{path}?#{query_string}" if env["ORIGINAL_FULLPATH"]

    end
  end
  @app.call env
end