1 files changed, 28 insertions, 0 deletions
diff --git a/crtsh-getcerts b/crtsh-getcerts
new file mode 100755
index 0000000..0191e2e
--- /dev/null
+++ b/crtsh-getcerts
@@ -0,0 +1,28 @@
+#!/usr/bin/env ruby
+require 'nokogiri'
+require 'open-uri'
+
+certs = {}
+ARGV.each do |domain|
+	[ domain, "%.#{domain}" ].each do |pattern|
+		Nokogiri::XML(open("https://crt.sh/atom?identity=#{pattern}&exclude=expired")).css('feed > entry').each do |entry|
+			url = entry.css('id').first.text.split("#").first
+
+			updated = entry.css('updated').first.text
+
+			html = Nokogiri::HTML(entry.css('summary').first.text)
+			html.css('br').each{|br| br.replace("\n")}
+			pem = html.css('div').first.text
+
+			lines = pem.split("\n")
+			lines.insert(1, "X-Crt-Sh-Url: #{url}", "X-Crt-Sh-Updated: #{updated}")
+			pem = lines.join("\n")+"\n"
+
+			certs[url] = pem
+		end
+	end
+end
+
+certs.each do |url, pem|
+	print pem
+end