lo-status: allow symmetric encryption

1 files changed, 14 insertions, 1 deletions

diff --git a/lo-status b/lo-status
index 5abf9a7..1030eb4 100755
--- a/lo-status
+++ b/lo-status
@@ -2,13 +2,26 @@
 
 cd "$(dirname "$0")"
 
+if [ -f '/mnt/key/192.168.0.1' ]; then
+  ${gpg_options}='--passphrase-file /mnt/key/192.168.0.1'
+fi
+
+credentials=$(
+  gpg -d ${gpg_options} --no-tty --batch -o - credentials.gpg 2>/dev/null
+)
+err=$?
+if [ ${err} -ne 0 ]; then
+  >&2 echo 'gpg decrypt error'
+  exit ${err}
+fi
+
 curl \
   -Ss \
   --resolve backup-lo.ddns.eckner.net:443:backup-lo.vpn.ddns.eckner.net:443 \
   'https://backup-lo.ddns.eckner.net/chassis.html' \
   --cacert backup-lo.crt \
   --digest \
-  --user "$(gpg -d -o - credentials.gpg 2>/dev/null)" \
+  --user "${credentials}" \
 | sed '
   s,^.*<TR><TD><STRONG>Power Status:</STRONG></TD><TD>\([^<>]*\)</TD></TR>.*$,\1,
   t