--- /dev/null
+require File.expand_path("../url_encoded", __FILE__)
+
+module Faraday
+ class Request::Multipart < Request::UrlEncoded
+ self.mime_type = 'multipart/form-data'.freeze
+ DEFAULT_BOUNDARY = "-----------RubyMultipartPost".freeze unless defined? DEFAULT_BOUNDARY
+
+ def call(env)
+ match_content_type(env) do |params|
+ env.request.boundary ||= DEFAULT_BOUNDARY
+ env.request_headers[CONTENT_TYPE] += "; boundary=#{env.request.boundary}"
+ env.body = create_multipart(env, params)
+ end
+ @app.call env
+ end
+
+ def process_request?(env)
+ type = request_type(env)
+ env.body.respond_to?(:each_key) and !env.body.empty? and (
+ (type.empty? and has_multipart?(env.body)) or
+ type == self.class.mime_type
+ )
+ end
+
+ 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
+
+ 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
+ return body
+ end
+
+ 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
+ end
+end