From 4aa1ec119a3283517b6a1975ee935c2249978a1f Mon Sep 17 00:00:00 2001
From: Matthew Saunders Brown <matthewsaundersbrown@gmail.com>
Date: Sun, 14 May 2023 14:00:43 -0700
Subject: [PATCH] new script

---
 bin/letsencrypt-get.sh | 84 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100755 bin/letsencrypt-get.sh

diff --git a/bin/letsencrypt-get.sh b/bin/letsencrypt-get.sh
new file mode 100755
index 0000000..0da88e8
--- /dev/null
+++ b/bin/letsencrypt-get.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+#
+# letsencrypt-tools
+# https://git.stack-source.com/msb/letsencrypt-tools
+# Copyright (c) 2022 Matthew Saunders Brown <matthewsaundersbrown@gmail.com>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+#
+# must be root
+if [ "$USER" != "root" ]; then
+  exec sudo -u root $0 $@
+fi
+
+help()
+{
+  thisfilename=$(basename -- "$0")
+  echo "$thisfilename"
+  echo "Get Let's Encrypt certificate info."
+  echo ""
+  echo "Usage: $thisfilename [-d <domain>] [-c] [-h]"
+  echo ""
+  echo "  -h          Print this help."
+  echo "  -d <domain> Domain (hostname) to get certificate info for."
+  echo "  -c          CVS - Output in cvs format, instead of tabbed table."
+  exit
+}
+
+# set options
+while getopts "hd:c" opt; do
+  case "${opt}" in
+    h )
+      help
+      exit;;
+    d ) # domain name (hostname) to get cert for
+      domain=${OPTARG,,}
+      ;;
+    c ) # cvs - output in cvs format
+      cvs=true
+      ;;
+    \? )
+      echo "Invalid option: $OPTARG" 1>&2
+      exit;;
+    : )
+      echo "Invalid option: $OPTARG requires an argument" 1>&2
+      exit;;
+  esac
+done
+
+# create newline var
+NL=$'\n'
+
+if [[ -n $domain ]]; then
+  if [[ -f /etc/ssl/letsencrypt/$domain.pem ]]; then
+    certificateArray=($domain.pem)
+  else
+    echo "ERROR: Certificate for $domain not found"
+    exit 1
+  fi
+else
+  if [[ -d /etc/ssl/letsencrypt/ ]]; then
+    certificateArray=(`ls -1 /etc/ssl/letsencrypt/`)
+  else
+    echo "ERROR: Certificate directory /etc/ssl/letsencrypt/ does not exist"
+    exit 1
+  fi
+fi
+
+# certificate common start end alternative
+output="certificate,common,start,end,alternative"
+
+for certificate in "${certificateArray[@]}"
+do
+  common=$(openssl x509 -noout -text -in /etc/ssl/letsencrypt/$certificate |grep "Subject: CN ="|cut -d = -f 2|xargs)
+  start=$(openssl x509 -noout -text -in /etc/ssl/letsencrypt/$certificate |grep "Not Before:"|cut -d : -f 2-|xargs)
+  end=$(openssl x509 -noout -text -in /etc/ssl/letsencrypt/$certificate |grep "Not After"|cut -d : -f 2-|xargs)
+  alternative=$(openssl x509 -noout -text -in /etc/ssl/letsencrypt/$certificate |grep "DNS:"|sed 's|DNS:||g'|sed 's|,||g'|xargs)
+  output="$output${NL}$certificate,$common,$start,$end,$alternative"
+done
+if [[ $output != "certificate,common,start,end,alternative" ]]; then
+  if [[ $cvs ]]; then
+    echo "$output"
+  else
+    echo "$output" | column -t -s ,
+  fi
+fi