Import from a rss xml file to ReadItLater.

import_from_rss_to_readitlater.rb

#! /opt/local/bin/ruby -Ku
require 'kconv'
require 'cgi'
require "rexml/document"
require "net/http"
require "uri"

uid = ARGV[0]
password = ARGV[1]
hatena_id = ARGV[2]
if uid.nil? or password.nil? or hatena_id.nil?
  print "Invalid arguments: uid='#{uid}', password='#{password}', hatena_id='#{hatena_id}'"
  exit 1
end

login_host = "readitlaterlist.com"
hatena_rss_host = "b.hatena.ne.jp"
hatena_rss_path = "/#{hatena_id}/rss?tag=*%E3%81%82%E3%81%A8%E3%81%A7%E8%AA%AD%E3%82%80"

cookies = nil
Net::HTTP.start(login_host, 80) do |http|
  response = http.post("/login_process/", "feed_id=#{uid}&password=#{password}")
  cookies = response.get_fields('Set-Cookie')
end

uri = URI.parse("http://readitlaterlist.com/edit_process.php?BL=")
header = {
  "user-agent" => "Ruby/#{RUBY_VERSION} MyHttpClient",
  "cookie" => cookies.map{|v| v[0...v.index(';')]}.join("; ")
}

source = Net::HTTP.get(hatena_rss_host, hatena_rss_path)
REXML::Document.new(source).elements.each('//item') do |elm|
  elms = elm.elements
  item = {
    :title => elms["title"].text,
    :url => elms["link"].text,
    :tags => elms.each("dc:subject") {}.map(&:text).join(","),
    :ref => "http://readitlaterlist.com/add"
  }

  Net::HTTP.start(uri.host, uri.port) do |http|
    body = item.map {|k,v| "#{k}=#{CGI.escape(v)}"}.join("&")
    response = http.post(uri.path, body, header)

    puts (response["location"] == "/unread" ? "success" : "failed") + ": " + item[:url]
  end
end