Mulideal download link fetcher

mulideal.rb

require 'selenium-webdriver'
require 'mechanize'

class LinkCrawler
  def initialize
    @driver = nil
  end

  def start
    @driver = Selenium::WebDriver.for :firefox
  end

  def webdriver
    @driver ||= start
  end

  def quit
    @driver.quit
  end

  def getlink(spam_url)
    webdriver.get(spam_url)
    url = nil
    10.times do
      sleep 1
      begin
        webdriver.find_element(id: 'skiplink').click
        url = webdriver.find_element(id: 'skiplink').attribute('href')
      rescue 
        unless webdriver.current_url == spam_url
          return webdriver.current_url
        end
        webdriver.get(spam_url)
      end
      if url and not url.end_with?('#')
        break
      end
    end
    url
  end
end

class Scraper
  def initialize
    @mech_agent = Mechanize.new do |agent|
      agent.user_agent_alias = 'Mac Safari'
    end
  end

  def getlinks(siteurl)
    site = @mech_agent.get(siteurl)
    content_div = site.search('.post-body.entry-content')
    possible_pass = content_div.search('//span').collect { |n|
      n.text
    }.select { |s|
      s.downcase.include?("pass")
    }

    spam_download_urls = content_div.search('a').collect { |x|
      x.text
    }.select{ |x|
      x.downcase.include?("http")
    }

    possible_pass_txt = possible_pass.join(' or ')
    crawler = LinkCrawler.new
    crawler.start
    download_links = Hash.new
    spam_download_urls.each do |spam_url|
      download_links[spam_url] = crawler.getlink(spam_url)
    end
    crawler.quit
    download_links
  end

  def reload
    @mech_agent = Mechanize.new do |agent|
      agent.user_agent_alias = 'Mac Safari'
    end
  end
end

s = Scraper.new

#display download links
p s.getlinks('http://mulideal320.blogspot.com.es/2014/04/dd-discografia-oasis-320-kbps-mega.html')