Grab tagged photos from Facebook Graph API

fb-photo-fetch.rb

# Ruby script to grab photos tagged of yourself on facebook and download them.

# Go to the Graph API explorer (http://developers.facebook.com/tools/explorer)
# and generate an access token with the permissions you need (user_photos, user_photo_video_tags)
# and use that access token here.

require 'json'
require 'net/http'

def fetch(output_dir, username, photo_limit, access_token)
  url = "https://graph.facebook.com/#{username}/photos?limit=#{photo_limit}&access_token=#{access_token}"
  uri = URI.parse(URI.encode(url))
  
  http_session = Net::HTTP.new(uri.host, uri.port)
  http_session.use_ssl = true
  
  response = http_session.request(Net::HTTP::Get.new(uri.request_uri))

  jsonresult = JSON.parse(response.body)
  result_data = jsonresult["data"]

  if result_data.nil?
    puts "No data to parse. Maybe you've got an invalid access token or uri?"
    return
  end

  for entry in result_data
    system "wget --directory-prefix='#{output_dir}' #{entry['source']}"
  end
end

fetch('my-photos', 'YOUR_FACEBOOK_IDENTIFIER', 2000, 'YOUR_ACCESS_TOKEN')