figshare.rb

#!/usr/bin/env ruby
require 'net/http/post/multipart'
require 'mime/types'
require 'oauth'
require 'json'
require 'uri'

CONSUMER_KEY = ''
CONSUMER_SECRET = ''
OAUTH_TOKEN = ''
OAUTH_SECRET = ''

file = '/Users/gsheppard/Documents/figshare-test.odt'
ct = {"Content-Type"=>"application/json"}

# setup the oauth stuff
consumer = OAuth::Consumer.new CONSUMER_KEY, CONSUMER_SECRET, {:site => 'http://api.figshare.com'}
token = { :oauth_token => OAUTH_TOKEN, :oauth_token_secret => OAUTH_SECRET }
client = OAuth::AccessToken.from_hash consumer, token

# create an article
body = JSON.generate 'title'=>'Test dataset', 'description'=>'Test description', 'defined_type'=>'dataset'
result = client.post '/v1/my_data/articles', body, {"Content-Type"=>"application/json"}
draft = JSON.parse result.body
article_id = draft['article_id']
uri = URI.parse("http://api.figshare.com/v1/my_data/articles/#{article_id}/files")

# upload file
payload = {'filedata' => UploadIO.new(file, MIME::Types.of(file))}
req = Net::HTTP::Put::Multipart.new(uri.path, payload, {'Content-Type' => 'multipart/form-data'})
oauth_params = {:consumer => consumer, :token => client, :request_uri => uri}
oauth_helper = OAuth::Client::Helper.new(req, oauth_params)
req.add_field "Authorization", oauth_helper.header # Signs the request

http = Net::HTTP.new(uri.host, uri.port)
# http.set_debug_output $stdout use this to debug net/http
res = http.start do |http|
  http.request(req)
end

puts res.body