letsencrypt: Add permanent hook to receive renewal notifications

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Joseph Nuthalapati <njoseph@thoughtworks.com>

plinth/modules/letsencrypt/data/etc/letsencrypt/renewal-hooks/deploy/50-freedombox

@@ -0,0 +1,33 @@
+#!/bin/bash
+#
+# This file is part of FreedomBox.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+set -e
+
+echo "Let's Encrypt calling deploy hook for FreedomBox:" \
+     "Domains: '${RENEWED_DOMAINS}'" \
+     "Lineage: '${RENEWED_LINEAGE}'"
+/usr/bin/test -S /var/run/dbus/system_bus_socket && \
+/usr/bin/gdbus call \
+      --system \
+      --dest org.freedombox.Service \
+      --object-path /org/freedombox/Service/LetsEncrypt \
+      --timeout 10 \
+      --method org.freedombox.Service.LetsEncrypt.DeployHook \
+      "${RENEWED_DOMAINS}" \
+      "${RENEWED_LINEAGE}" \
+      > /dev/null