class Saddle::Middleware::Request::UrlEncoded

Make sure you set request = :urlencoded for it to be activated.

Constants

CONTENT_TYPE
DEFAULT_MULTIPART_BOUNDARY
MULTIPART_MIME_TYPE
URL_ENCODED_MIME_TYPE
VALID_MIME_TYPES

Public Instance Methods

call(env) click to toggle source
# File lib/saddle/middleware/request/url_encoded.rb, line 26
def call(env)
  if env[:saddle][:request_style] == :urlencoded
    # Make sure we're working with a valid body that's not a String
    if env[:body] and !env[:body].respond_to?(:to_str)
      if has_multipart?(env[:body])
        env[:request][:boundary] ||= DEFAULT_MULTIPART_BOUNDARY
        env[:request_headers][CONTENT_TYPE] ||= MULTIPART_MIME_TYPE
        env[:request_headers][CONTENT_TYPE] += ";boundary=#{env[:request][:boundary]}"
        env[:body] = create_multipart(env, env[:body])
      else
        env[:request_headers][CONTENT_TYPE] ||= URL_ENCODED_MIME_TYPE
        env[:body] = Faraday::Utils::ParamsHash[env[:body]].to_query
      end
    end
  end
  @app.call env
end

Private Instance Methods

create_multipart(env, params) click to toggle source
# File lib/saddle/middleware/request/url_encoded.rb, line 57
def create_multipart(env, params)
  boundary = env[:request][:boundary]
  parts = process_params(params) do |key, value|
    Faraday::Parts::Part.new(boundary, key, value)
  end
  parts << Faraday::Parts::EpiloguePart.new(boundary)

  body = Faraday::CompositeReadIO.new(parts)
  env[:request_headers][Faraday::Env::ContentLength] = body.length.to_s
  body
end
has_multipart?(obj) click to toggle source
# File lib/saddle/middleware/request/url_encoded.rb, line 47
def has_multipart?(obj)
  # string is an enum in 1.8, returning list of itself
  if obj.respond_to?(:each) && !obj.is_a?(String)
    (obj.respond_to?(:values) ? obj.values : obj).each do |val|
      return true if (val.respond_to?(:content_type) || has_multipart?(val))
    end
  end
  false
end
process_params(params, prefix = nil, pieces = nil, &block) click to toggle source
# File lib/saddle/middleware/request/url_encoded.rb, line 69
def process_params(params, prefix = nil, pieces = nil, &block)
  params.inject(pieces || []) do |all, (key, value)|
    key = "#{prefix}[#{key}]" if prefix

    case value
      when Array
        values = value.inject([]) { |a,v| a << [nil, v] }
        process_params(values, key, all, &block)
      when Hash
        process_params(value, key, all, &block)
      else
        all << block.call(key, value)
    end
  end
end