a simple renren api client for posting status text

renren_client.rb

# encoding: utf-8

require 'digest/md5'
require "faraday"

module Renren
  class Client
    def self.sign(params)
      str = params.map {|k, v| "#{k}=#{v}"}.sort.join
      str << secret
      Digest::MD5.hexdigest(str)
    end 

    def self.secret
      "" # TODO add renren api secret here
    end 

    def self.server_url
      "http://api.renren.com/restserver.do" 
    end 

    def run_request(method, params = {}) 
      connection.send method, self.class.server_url, params.merge(:sig => self.class.sign(params))
    end 

    def get(params = {}) 
      run_request(:get, params) 
    end 

    def post(params = {}) 
      run_request(:post, params)
    end 

    def connection
      @connect ||= begin
        Faraday.new(:url => self.class.server_url) do |faraday|
          faraday.request :url_encoded  
          faraday.response :logger
          faraday.adapter  Faraday.default_adapter
        end 
      end  
    end 
  end 
end

client = Renren::Client.new

access_token = "" # TODO access_token
status = ""      # TODO status text

response = client.post :method => "status.set", :v => 1.0, :status => status, :format => "JSON",
  :access_token => access_token

puts response.body