#
# Cookbook Name:: kosmos-base
# Recipe:: letsencrypt
#
# Copyright 2018, Kosmos
#
# All rights reserved - Do Not Redistribute
#

git "/usr/local/certbot" do
  repository "https://github.com/certbot/certbot"
  action     :sync
  revision   "v0.26.1"
  user       "root"
  group      "root"
end

letsencrypt_renew_hook = <<-EOF
#!/usr/bin/env bash

# Reloading nginx is enough to read the new certificates
systemctl reload nginx

# Copy the prosody certificates and restart the server if it has been renewed
# This is necessary because the prosody user doesn't have access to the
# letsencrypt live folder
echo "${RENEWED_DOMAINS}" | grep 5apps.com
if [ $? -ne 1 ]; then
  cp "${RENEWED_LINEAGE}/fullchain.pem" /etc/prosody/certs/5apps.com.crt
  cp "${RENEWED_LINEAGE}/privkey.pem" /etc/prosody/certs/5apps.com.key
  cp "${RENEWED_LINEAGE}/fullchain.pem" /etc/prosody/certs/muc.5apps.com.crt
  cp "${RENEWED_LINEAGE}/privkey.pem" /etc/prosody/certs/muc.5apps.com.key
  cp "${RENEWED_LINEAGE}/fullchain.pem" /etc/prosody/certs/xmpp.5apps.com.crt
  cp "${RENEWED_LINEAGE}/privkey.pem" /etc/prosody/certs/xmpp.5apps.com.key
  chown prosody:prosody /etc/prosody/certs/*
  chmod 600 /etc/prosody/certs/*.key
  chmod 640 /etc/prosody/certs/*.crt
  systemctl restart prosody
else
  exit 0
fi
EOF

file "/usr/local/bin/letsencrypt_renew_hook" do
  content letsencrypt_renew_hook
  mode 0755
  owner "root"
  group "root"
end

cron "renew Let's Encrypt certificates" do
  minute "0"
  hour "4"
  mailto "logs@5apps.com"
  # The hook is only executed if a cert has been renewed
  command "/usr/local/certbot/certbot-auto renew --deploy-hook letsencrypt_renew_hook -n 1> /dev/null"
end