module ActionDispatch module Http module Parameters PARAMETERS_KEY = 'action_dispatch.request.path_parameters' DEFAULT_PARSERS = { Mime[:json] => lambda { |raw_post| data = ActiveSupport::JSON.decode(raw_post) data.is_a?(Hash) ? data : {:_json => data} } } def self.included(klass) class << klass attr_accessor :parameter_parsers end klass.parameter_parsers = DEFAULT_PARSERS end # Returns both GET and POST \parameters in a single hash. def parameters params = get_header("action_dispatch.request.parameters") return params if params params = begin request_parameters.merge(query_parameters) rescue EOFError query_parameters.dup end params.merge!(path_parameters) set_header("action_dispatch.request.parameters", params) params end alias :params :parameters def path_parameters=(parameters) #:nodoc: delete_header('action_dispatch.request.parameters') set_header PARAMETERS_KEY, parameters end # Returns a hash with the \parameters used to form the \path of the request. # Returned hash keys are strings: # # {'action' => 'my_action', 'controller' => 'my_controller'} def path_parameters get_header(PARAMETERS_KEY) || set_header(PARAMETERS_KEY, {}) end private def parse_formatted_parameters(parsers) return yield if content_length.zero? strategy = parsers.fetch(content_mime_type) { return yield } begin strategy.call(raw_post) rescue # JSON or Ruby code block errors my_logger = logger || ActiveSupport::Logger.new($stderr) my_logger.debug "Error occurred while parsing request parameters.\nContents:\n\n#{raw_post}" raise ParamsParser::ParseError end end def params_parsers ActionDispatch::Request.parameter_parsers end end end end