Class: RailsHush::HushTwo

Inherits:
Object
  • Object
show all
Includes:
ShowExceptions, SimpleRenderer
Defined in:
lib/rails_hush/middleware/hush_two.rb

Constant Summary

Constants included from ShowExceptions

ShowExceptions::SHOWABLE

Instance Method Summary collapse

Methods included from SimpleRenderer

#default_renderer, #log_request, #render

Methods included from ShowExceptions

#show_exceptions?

Constructor Details

#initialize(app, renderer = nil) ⇒ HushTwo

Returns a new instance of HushTwo.



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# File 'lib/rails_hush/middleware/hush_two.rb', line 6

def initialize(app, renderer=nil)
  @app = app
  @renderer ||= Rails.application.config.rails_hush.renderer || method(:default_renderer)
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rails_hush/middleware/hush_two.rb', line 11

def call(env)
  request = ActionDispatch::Request.new env
  if show_exceptions?(request) && !request.get_header("action_dispatch.show_detailed_exceptions")
    begin
      _, headers, body = response = @app.call(env)
      if headers['X-Cascade'] == 'pass'
        body.close if body.respond_to?(:close)
        raise ActionController::RoutingError, "No route matches [#{env['REQUEST_METHOD']}] #{env['PATH_INFO'].inspect}"
      end
      response

    rescue ActionController::BadRequest => x
      if x.message =~ /(Invalid encoding for parameter|invalid %-encoding)/
        log_request 400, request
        render 400, request, 'Invalid string or encoding'
      else
        raise x
      end
    rescue ActionDispatch::Http::Parameters::ParseError
      log_request 400, request
      render 400, request, 'Unable to parse request body'
    rescue ActionController::RoutingError => x
      log_request 404, request
      render 404, request
    rescue ActionController::UnknownHttpMethod
      log_request 405, request
      render 405, request, 'Unrecognized HTTP method'
    rescue ActionController::UnknownFormat
      render 406, request, 'Invalid format'
    rescue Mime::Type::InvalidMimeType
      log_request 406, request
      render 406, request, 'Invalid media type'
    rescue ActionController::ParameterMissing => x
      render 422, request, "Required parameter missing or empty: #{x.param}"
    rescue ActionController::InvalidAuthenticityToken
      render 422, request, 'Invalid CSRF token'
    end
  else
    @app.call(env)
  end
end