cdb

lib/assets/javascripts/cdb/scripts/cdn_invalidation.rb

@@ -0,0 +1,48 @@
+#!/usr/bin/env ruby
+#
+# install gem install ruby-hmac
+# from https://gist.github.com/589132
+#
+require 'rubygems'
+require 'hmac-sha1'
+require 'net/https'
+require 'base64'
+require 'json'
+
+
+secrets = JSON.parse(File.read('secrets.json'))
+
+if ARGV.length < 1
+  puts "usage: aws_cf_invalidate.rb file1.html dir1/file2.jpg ..."
+  exit
+end
+
+s3_access = secrets['AWS_ACCESS_KEY']
+s3_secret = secrets['AWS_SECRET_KEY']
+cf_distribution = secrets['AWS_DISTRIBUTION']
+
+paths = '<Path>/' + ARGV.join('</Path><Path>/') + '</Path>'
+
+date = Time.now.utc
+date = date.strftime("%a, %d %b %Y %H:%M:%S %Z")
+digest = HMAC::SHA1.new(s3_secret)
+digest << date
+
+uri = URI.parse('https://cloudfront.amazonaws.com/2010-08-01/distribution/' + cf_distribution + '/invalidation')
+
+req = Net::HTTP::Post.new(uri.path)
+req.initialize_http_header({
+  'x-amz-date' => date,
+  'Content-Type' => 'text/xml',
+  'Authorization' => "AWS %s:%s" % [s3_access, Base64.encode64(digest.digest)]
+})
+
+req.body = "<InvalidationBatch>" + paths + "<CallerReference>ref_#{Time.now.utc.to_i}</CallerReference></InvalidationBatch>"
+
+http = Net::HTTP.new(uri.host, uri.port)
+http.use_ssl = true
+http.verify_mode = OpenSSL::SSL::VERIFY_NONE
+res = http.request(req)
+
+puts res.code
+puts res.body