1 require File.expand_path("../url_encoded", __FILE__)
4 class Request::Multipart < Request::UrlEncoded
5 self.mime_type = 'multipart/form-data'.freeze
6 DEFAULT_BOUNDARY = "-----------RubyMultipartPost".freeze unless defined? DEFAULT_BOUNDARY
9 match_content_type(env) do |params|
10 env.request.boundary ||= DEFAULT_BOUNDARY
11 env.request_headers[CONTENT_TYPE] += "; boundary=#{env.request.boundary}"
12 env.body = create_multipart(env, params)
17 def process_request?(env)
18 type = request_type(env)
19 env.body.respond_to?(:each_key) and !env.body.empty? and (
20 (type.empty? and has_multipart?(env.body)) or
21 type == self.class.mime_type
25 def has_multipart?(obj)
26 # string is an enum in 1.8, returning list of itself
27 if obj.respond_to?(:each) && !obj.is_a?(String)
28 (obj.respond_to?(:values) ? obj.values : obj).each do |val|
29 return true if (val.respond_to?(:content_type) || has_multipart?(val))
35 def create_multipart(env, params)
36 boundary = env.request.boundary
37 parts = process_params(params) do |key, value|
38 Faraday::Parts::Part.new(boundary, key, value)
40 parts << Faraday::Parts::EpiloguePart.new(boundary)
42 body = Faraday::CompositeReadIO.new(parts)
43 env.request_headers[Faraday::Env::ContentLength] = body.length.to_s
47 def process_params(params, prefix = nil, pieces = nil, &block)
48 params.inject(pieces || []) do |all, (key, value)|
49 key = "#{prefix}[#{key}]" if prefix
53 values = value.inject([]) { |a,v| a << [nil, v] }
54 process_params(values, key, all, &block)
56 process_params(value, key, all, &block)
58 all << block.call(key, value)