Methods

Constants

CONTENT_TYPE = "Content-Type".freeze
 
POLICY = "Content-Security-Policy".freeze
 
POLICY_REPORT_ONLY = "Content-Security-Policy-Report-Only".freeze
 

Class Public methods

new(app)

# File actionpack/lib/action_dispatch/http/content_security_policy.rb, line 12
def initialize(app)
  @app = app
end

Instance Public methods

call(env)

# File actionpack/lib/action_dispatch/http/content_security_policy.rb, line 16
def call(env)
  request = ActionDispatch::Request.new env
  _, headers, _ = response = @app.call(env)

  return response unless html_response?(headers)
  return response if policy_present?(headers)

  if policy = request.content_security_policy
    nonce = request.content_security_policy_nonce
    context = request.controller_instance || request
    headers[header_name(request)] = policy.build(context, nonce)
  end

  response
end