From 063d28a6dcc755d339b05cb55880347a8c6c7b4a Mon Sep 17 00:00:00 2001
From: Markus Germeier <markus@germeier.com>
Date: Mon, 7 Dec 2015 19:51:54 +0100
Subject: [PATCH] implement revoke

---
 letsencrypt.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/letsencrypt.sh b/letsencrypt.sh
index 0f98ee6..fe9930b 100755
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -107,6 +107,17 @@ signed_request() {
   _request post "${1}" "${data}"
 }
 
+revoke_cert() {
+  cert="${1}"
+  cert64="$(openssl x509 -in "${cert}" -inform PEM -outform DER | urlbase64)"
+  response="$(signed_request "${CA}/acme/revoke-cert" '{"resource": "revoke-cert", "certificate": "'"${cert64}"'"}')"
+  # if there is a problem with our revoke request _request (via signed_request) will report this and "exit 1" out
+  # so if we are here, it is safe to assume the request was successful
+  echo " + SUCCESS"
+  echo " + renaming certificate to ${cert}-revoked"
+  mv -f "${cert}" "${cert}-revoked"
+}
+
 sign_domain() {
   domain="${1}"
   altnames="${*}"
@@ -255,6 +266,19 @@ if [[ ! -e "${WELLKNOWN}" ]]; then
   mkdir -p "${WELLKNOWN}"
 fi
 
+# revoke certificate by user request
+if [[ "${1:-}" = "revoke" ]]; then
+  if [[ -z "{2:-}" ]] || [[ ! -f "${2}" ]]; then
+    echo usage: ${0} revoke path/to/cert.pem
+    exit 1
+  fi
+  
+  echo "Revoking ${2}"
+  revoke_cert "${2}"
+
+  exit 0
+fi
+
 # Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire
 <"${DOMAINS_TXT}" sed 's/^\s*//g;s/\s*$//g' | grep -v '^#' | grep -v '^$' | while read -r line; do
   domain="$(echo "${line}" | cut -d' ' -f1)"
-- 
2.47.2