module Restfulie
module Server
module ActionController
# This class is just a proxy for the extension point offered by ActionDispatch::ParamsParser
class ParamsParser3
def register(content_type, representation)
ActionDispatch::ParamsParser::DEFAULT_PARSERS[Mime::Type.lookup(content_type)] = representation.method(:to_hash).to_proc
end
def unregister(content_type)
ActionDispatch::ParamsParser::DEFAULT_PARSERS.delete(Mime::Type.lookup(content_type))
end
end
# This class is just a proxy for the extension point offered by ActionController::Base
class ParamsParser2
def param_parsers
::ActionController::Base.param_parsers
end
def register(content_type, representation)
param_parsers[Mime::Type.lookup(content_type)] = representation.method(:to_hash).to_proc
end
def unregister(content_type)
param_parsers.delete(Mime::Type.lookup(content_type))
end
end
class ParamsParser
def self.rails3?
defined?(::ActionDispatch) && defined?(::ActionDispatch::ParamsParser)
end
if rails3?
@parser = ParamsParser3.new
else
@parser = ParamsParser2.new
# This monkey patch is needed because Rails 2.3.5 doesn't support
# a way of use rescue_from ActionController handling to return
# bad request status when trying to parse an invalid body request
#
# In Rails 3 this won't be necessary, because all exception handling
# extensions are handled by the Rack stack
#
# TODO Change this when porting this code to Rails 3
::ActionController::ParamsParser.class_eval do
def call(env)
begin
if params = parse_formatted_parameters(env)
env["action_controller.request.request_parameters"] = params
elsif !(env["CONTENT_TYPE"] == "application/x-www-form-urlencoded") #do not override rails default behaviour for this media type, it's dangerous... (o.O)
if env["CONTENT_LENGTH"] && (env["CONTENT_LENGTH"] != "0")
env["action_controller.restfulie.response"] = [415, {'Content-Type' => 'text/html'}, ["415 Unsupported Media Type
"]]
end
end
rescue
env["action_controller.restfulie.response"] = [400, {'Content-Type' => 'text/html'}, ["400 Bad Request
"]]
end
@app.call(env)
end
end
end
##
# :singleton-method:
# Use it to register param parsers on the server side.
#
# * media type
# * a restfulie representation with to_hash method
#
# Restfulie::Server::ActionController::ParamsParser.register('application/atom+xml', Atom)
#
def self.register(content_type, representation)
@parser.register(content_type, representation)
end
##
# :singleton-method:
# Use it to unregister param parsers on the server side.
#
# * media type
#
# Restfulie::Server::ActionController::ParamsParser.unregister('application/atom+xml')
#
def self.unregister(content_type)
@parser.unregister(content_type)
end
end
end
end
end