fetch a user's facebook news feed

facebook_news.rb

#!/usr/bin/ruby

# fetch a user's facebook news feed

require 'rubygems'
require 'httparty'

require 'digest/md5'
require 'pp'

API_KEY = ''

# infinite session, must previously exist
SESSION_SECRET = ''
SESSION_KEY = ''

# user id whose stream to get
USER_ID = ''

class Stream
  include HTTParty
  base_uri 'http://api.facebook.com/restserver.php'
  format :json

  def self.gett(api_key, secret, session_key, user_id)
    get('', :query => sign(secret,
      'api_key' => api_key,
      'format' => 'JSON',
      'method' => 'stream.get',
      'session_key' => session_key,
      'viewer_id' => user_id
      ))
  end

  def self.sign(secret, q)
    q.merge(:sig => sig(secret, q))
  end

  def self.sig(secret, q)
    Digest::MD5.hexdigest(
      q.sort.collect { |k,v| "#{k}=#{v}" }.join('') + secret)
  end

end

stream = Stream.gett(API_KEY, SESSION_SECRET, SESSION_KEY, USER_ID)

users = Hash[*stream['profiles'].collect { |x| [x['id'], x['name']] }.flatten]

# pp stream['posts']

stream['posts'].each do |p|
  puts "#{users[p['actor_id']]}: #{p['message']}"
  p['comments']['comment_list'].each do |c|
    puts "   #{users[c['fromid']]}: #{c['text']}"
  end
end