Class: Remotipart::Middleware

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

Overview

A middleware to look for our form parameters and encourage Rails to respond with the requested format

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/remotipart/middleware.rb', line 6

def initialize app
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/remotipart/middleware.rb', line 10

def call env
  # Get request params
  begin
    params = Rack::Request.new(env).params
  rescue TypeError => e
    ::Rails.logger.warn e.message
    ::Rails.logger.warn e.backtrace.join("\n")
  end

  if params
    # This was using an iframe transport, and is therefore an XHR
    # This is required if we're going to override the http_accept
    if params['X-Requested-With'] == 'IFrame'
      env['HTTP_X_REQUESTED_WITH'] = 'xmlhttprequest'
    end

    # Override the accepted format, because it isn't what we really want
    if params['X-HTTP-Accept']
      env['HTTP_ACCEPT'] = params['X-HTTP-Accept']
    end
  end

  @app.call(env)
end