flashair_sync.rb

require 'restclient'
require 'fileutils'

@base_url = ENV['FLASHAIR_URL'] || 'http://192.168.1.66'
@target_dir = ENV['FLASHAIR_SYNC_DIR'] || '~/FlashAirSync'

def get_dir(root)
  puts "Getting dir #{root}..."
  res = RestClient::Request.execute(
    method: :get,
    url: "#{@base_url}/command.cgi",
    timeout: 10,
    headers: {params: {op: 100, DIR: root}})
  res.code == 200 ? res.body : nil
rescue => e
  puts e
  nil
end

def get_file(path)
  puts "Getting file #{path}..."
  raw = RestClient::Request.execute(
    method: :get,
    url: "#{@base_url}/#{path}",
    raw_response: true)

  if raw.code == 200
    puts "Saved."
    FileUtils.mv(raw.file.path, "#{@target_dir}/#{path.split('/').last}")
  end
rescue => e
  puts e
  nil
end

def fetch(root)
  resp = get_dir(root)
  puts resp
  return if resp.nil?

  resp.each_line do |d|
    _dir, name, _size, attr = d.split(',')
    full_path = "#{root}/#{name}"
    puts "name: #{name}  attr: #{attr.to_i.to_s(2)}"
    if (attr.to_i & (1 << 4)) > 0
      fetch(full_path)
    elsif !File.exist?("#{@target_dir}/#{name}")
      get_file(full_path)
    end
  end
end


loop do
  fetch('DCIM')
  sleep(10)
end