Class: Committee::RequestUnpacker

Inherits:
Object
  • Object
show all
Defined in:
lib/committee/request_unpacker.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ RequestUnpacker

Returns a new instance of RequestUnpacker.



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# File 'lib/committee/request_unpacker.rb', line 23

def initialize(options = {})
  @allow_empty_date_and_datetime = options[:allow_empty_date_and_datetime]
  @allow_form_params             = options[:allow_form_params]
  @allow_get_body                = options[:allow_get_body]
  @allow_query_params            = options[:allow_query_params]
  @allow_non_get_query_params    = options[:allow_non_get_query_params]
  @optimistic_json               = options[:optimistic_json]
end

Class Method Details

.indifferent_params(object) ⇒ Object

Enable string or symbol key access to the nested params hash.

(Copied from Sinatra)



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# File 'lib/committee/request_unpacker.rb', line 9

def indifferent_params(object)
  case object
  when Hash
    new_hash = Committee::Utils.indifferent_hash
    object.each { |key, value| new_hash[key] = indifferent_params(value) }
    new_hash
  when Array
    object.map { |item| indifferent_params(item) }
  else
    object
  end
end

Instance Method Details

#unpack_headers(request) ⇒ Object 



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# File 'lib/committee/request_unpacker.rb', line 73

def unpack_headers(request)
  env = request.env
  base = env.keys.grep(/HTTP_/).inject({}) do |headers, key|
    headerized_key = key.gsub(/^HTTP_/, '').gsub(/_/, '-')
    headers[headerized_key] = env[key]
    headers
  end

  base['Content-Type'] = env['CONTENT_TYPE'] if env['CONTENT_TYPE']
  base
end

#unpack_query_params(request) ⇒ Object 



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# File 'lib/committee/request_unpacker.rb', line 61

def unpack_query_params(request)
  unless @allow_query_params
    return {}
  end

  if @allow_non_get_query_params
    self.class.indifferent_params(request.params)
  else
    self.class.indifferent_params(request.GET)
  end
end

#unpack_request_params(request) ⇒ Object

return params and is_form_params



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# File 'lib/committee/request_unpacker.rb', line 33

def unpack_request_params(request)
  # if Content-Type is empty or JSON, and there was a request body, try to
  # interpret it as JSON
  params = if !request.media_type || request.media_type =~ %r{application/(?:.*\+)?json}
             parse_json(request)
  elsif @optimistic_json
    begin
      parse_json(request)
    rescue JSON::ParserError
      nil
    end
  end

  return [params, false] if params

  if @allow_form_params && %w[application/x-www-form-urlencoded multipart/form-data].include?(request.media_type)
    # Actually, POST means anything in the request body, could be from
    # PUT or PATCH too. Silly Rack.
    begin
      return [request.POST, true] if request.POST
    ensure
      request.body.rewind
    end
  end

  [{}, false]
end