bitbucketip

#!/usr/bin/ruby

# Scrape the bitbucket page
# 'What are the Bitbucket Cloud IP addresses I should use to configure my corporate firewall'
# and extract the tables of CIDR ranges listed, in HTML format.
# We are searching only for the rows of values, so other irrelevant
# stuff on the webpage can be ignored.
# You can put the output into a local webpage, or just compare cryptographic
# hashes to see if the bitbucket.org networking has changed

require 'nokogiri'
require 'open-uri'

CLOUDIPS="https://confluence.atlassian.com/bitbucket/what-are-the-bitbucket-cloud-ip-addresses-i-should-use-to-configure-my-corporate-firewall-343343385.html"

doc=Nokogiri::HTML(open(CLOUDIPS))

# There are currently (16 January 2016) two tables of IP ranges
# for prior to 15 December 2015 and after
# The two columns are for inbound bitbucket.org endpoints
# and for POST webhooks (deprecated)

doc.xpath("//table[@class='aui aui-table-interactive']/tbody/tr/td[@class='confluenceTd']").each { |item|
  # They have stuff that isn't IP addresses in spans so cut them out
  if (item.attributes().key?('colspan')) then
     if (item.attributes()['colspan'].value == '2') then
       next
     else
      puts item.to_s
     end
  else
    puts item.to_s
  end
}