From 2c860a0e2464482b95094a2d5ae1541ecacb5941 Mon Sep 17 00:00:00 2001
From: Eduardo Reveles <me@osiux.ws>
Date: Thu, 24 Mar 2016 13:47:01 -0600
Subject: [PATCH] Change example letsencrypt.sh hook

---
 examples/letsencrypt.default.sh | 103 +++++++++++++++++++++++++-------
 1 file changed, 81 insertions(+), 22 deletions(-)

diff --git a/examples/letsencrypt.default.sh b/examples/letsencrypt.default.sh
index 996993d19..709fd4d64 100644
--- a/examples/letsencrypt.default.sh
+++ b/examples/letsencrypt.default.sh
@@ -1,8 +1,6 @@
 #!/usr/bin/env bash
-
 #
 # Example how to deploy a DNS challange using lexicon
-#
 
 set -e
 set -u
@@ -10,29 +8,90 @@ set -o pipefail
 
 export PROVIDER=${PROVIDER:-"cloudflare"}
 
-done="no"
+function deploy_challenge {
+    local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
+
+    echo "deploy_challenge called: ${DOMAIN}, ${TOKEN_FILENAME}, ${TOKEN_VALUE}"
+
+    lexicon $PROVIDER create ${DOMAIN} TXT --name "_acme-challenge.${DOMAIN}." --content "${TOKEN_VALUE}"
 
-if [[ "$1" = "deploy_challenge" ]]; then
-	echo "deploy_challenge called: ${1}, ${2}, ${3}, ${4}"
-    lexicon $PROVIDER create ${2} TXT --name "_acme-challenge.${2}." --content "${4}"
-    done="yes"
     sleep 30
-fi
 
-if [[ "$1" = "clean_challenge" ]]; then
-	echo "clean_challenge called: ${1}, ${2}, ${3}, ${4}"
-	lexicon $PROVIDER delete ${2} TXT --name "_acme-challenge.${2}." --content "${4}"
-    done="yes"
-fi
+    # This hook is called once for every domain that needs to be
+    # validated, including any alternative names you may have listed.
+    #
+    # Parameters:
+    # - DOMAIN
+    #   The domain name (CN or subject alternative name) being
+    #   validated.
+    # - TOKEN_FILENAME
+    #   The name of the file containing the token to be served for HTTP
+    #   validation. Should be served by your web server as
+    #   /.well-known/acme-challenge/${TOKEN_FILENAME}.
+    # - TOKEN_VALUE
+    #   The token value that needs to be served for validation. For DNS
+    #   validation, this is what you want to put in the _acme-challenge
+    #   TXT record. For HTTP validation it is the value that is expected
+    #   be found in the $TOKEN_FILENAME file.
+}
+
+function clean_challenge {
+    local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
+
+    echo "clean_challenge called: ${DOMAIN}, ${TOKEN_FILENAME}, ${TOKEN_VALUE}"
+
+    lexicon $PROVIDER delete ${DOMAIN} TXT --name "_acme-challenge.${DOMAIN}." --content "${TOKEN_VALUE}"
+
+    # This hook is called after attempting to validate each domain,
+    # whether or not validation was successful. Here you can delete
+    # files or DNS records that are no longer needed.
+    #
+    # The parameters are the same as for deploy_challenge.
+}
+
+function deploy_cert {
+    local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}"
+
+    echo "deploy_cert called: ${DOMAIN}, ${KEYFILE}, ${CERTFILE}, ${FULLCHAINFILE}, ${CHAINFILE}"
+
+    # This hook is called once for each certificate that has been
+    # produced. Here you might, for instance, copy your new certificates
+    # to service-specific locations and reload the service.
+    #
+    # Parameters:
+    # - DOMAIN
+    #   The primary domain name, i.e. the certificate common
+    #   name (CN).
+    # - KEYFILE
+    #   The path of the file containing the private key.
+    # - CERTFILE
+    #   The path of the file containing the signed certificate.
+    # - FULLCHAINFILE
+    #   The path of the file containing the full certificate chain.
+    # - CHAINFILE
+    #   The path of the file containing the intermediate certificate(s).
+}
+
+function unchanged_cert {
+    local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}"
 
-if [[ "${1}" = "deploy_cert" ]]; then
-	echo "deploy_cert called: ${1}, ${2}, ${3}, ${4}"
-    done="yes"
-fi
+    echo "unchanged_cert called: ${DOMAIN}, ${KEYFILE}, ${CERTFILE}, ${FULLCHAINFILE}, ${CHAINFILE}"
 
-if [[ ! "${done}" = "yes" ]]; then
-    echo Unkown hook "${1}"
-    exit 1
-fi
+    # This hook is called once for each certificate that is still
+    # valid and therefore wasn't reissued.
+    #
+    # Parameters:
+    # - DOMAIN
+    #   The primary domain name, i.e. the certificate common
+    #   name (CN).
+    # - KEYFILE
+    #   The path of the file containing the private key.
+    # - CERTFILE
+    #   The path of the file containing the signed certificate.
+    # - FULLCHAINFILE
+    #   The path of the file containing the full certificate chain.
+    # - CHAINFILE
+    #   The path of the file containing the intermediate certificate(s).
+}
 
-exit 0
\ No newline at end of file
+HANDLER=$1; shift; $HANDLER $@
\ No newline at end of file