Class: ValidateHTML::RackMiddleware

Inherits:

Object

• Object
• ValidateHTML::RackMiddleware

Defined in:

lib/validate_html/rack_middleware.rb

Overview

Rack Middleware to validate the HTML of outgoing responses

This can be used with any rack app

Instance Method Summary

• #call(env) ⇒ Array<(status, headers, response)>
• #initialize(app) ⇒ RackMiddleware constructor

  A new instance of RackMiddleware.

Constructor Details

#initialize(app) ⇒ RackMiddleware

Returns a new instance of RackMiddleware.

# File 'lib/validate_html/rack_middleware.rb', line 8

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Array<(status, headers, response)>

Parameters:

• env

Returns:

• (Array<(status, headers, response)>)

Raises:

• (InvalidHTMLError) —

  if the response has an HTML content type and the html is invalid and Configuration#raise_on_invalid_html is true and the request path isn’t ignored by Configuration#ignored_paths

See Also:

• ValidateHTML.validate_html

# File 'lib/validate_html/rack_middleware.rb', line 19

def call(env)
  status, headers, response = @app.call(env)
  path = ::Rack::Request.new(env).path
  return [status, headers, response] unless checkable_path?(path)

  body = find_body(response)

  return [status, headers, response] unless html_content_type?(headers)

  ValidateHTML.validate_html(body, content_type: headers['Content-Type'], name: path)

  [status, headers, response]
end