HatenaDiary-rssのchannel部分だけ取得＆キャッシュ

gistfile1.rb

#!/usr/local/bin/ruby

require 'net/http'
require 'rss'
require 'time'
require 'lib/simple_cgi.rb'

print "Content-Type:text/html\n\n"

query = SimpleCGI::query
log = File::open("./src/cache.dat").read
if !(log == "") && Time::parse(log.split("\n")[0]) + 1800 > Time.new 
  puts "#{query["callback"]}#{log.split("\n")[1]}"
else
  src = ""
  array = []
  Net::HTTP.version_1_2
  Net::HTTP.start("d.hatena.ne.jp", 80) do |h|
    src = RSS::Parser.parse(h.get("/namusyaka/rss").body, true).channel.to_s.split("\n")
  end
  src.each do |m|
    c = m.scan(/<(title|link|description|dc:creator|dc:date)>([^<]*?)<\/([^>]*?)>/)
    array << "\"#{c[0][0]}\" : \"#{c[0][1]}\"" if c[0]
  end
  begin
    Dir::mkdir("b")
      begin
        File::open("./src/cache.dat", "w").write("#{Time.new}\n({#{array.join(",")}})")
      rescue
        
      end
     Dir::unlink("b")
   rescue

   end
   puts "#{query["callback"]}({#{array.join(",")}})"
end