[Ruby]ニコニコ動画APIを叩くとき用。事前にログインさせCookie値を取得する。

nico_video_fetcher.rb

 # ログインしてクッキー抽出
  def login(mail, pass)
    host = 'secure.nicovideo.jp'
    path = '/secure/login?site=niconico'
    body = "mail=#{mail}&password=#{pass}"

    https             = Net::HTTP.new(host, 443)
    https.use_ssl     = true
    https.verify_mode = OpenSSL::SSL::VERIFY_NONE
    response          = https.start { |https|
      https.post(path, body)
    }

    cookie = ''
    response['set-cookie'].split('; ').each do |st|
      if idx=st.index('user_session_')
        cookie = "user_session=#{st[idx..-1]}"
        break
      end
    end

    return cookie
  end