initial commit

certbotinstall

@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+
+# Author        : Allan Christensen
+# First Created : 08042022 (DD-MM-YYYY)
+# Description   : Installs Certbot with Cloudflare and Dns Challenge on Ubuntu 24.04
+# License       : MIT License (see LICENSE file for details)
+
+#
+# Are we root
+#
+if [[ $(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo "" ; exit ; fi
+
+#
+# If snap is not installed then die
+#
+if ! command -v snap >/dev/null 2>&1; then echo "ERROR: snap is not installed aborting" ; exit 1 ; fi
+
+#
+# Function usage
+#
+usage () {
+printf -- "\ncertbotinstall\n\n"
+printf -- "Note: Must be run as root or using sudo\n\n"
+printf -- "Usage:\n"
+printf -- "sudo ./certbotinstall [-p] <API Token>\n"
+printf -- "                      [-h] <this screen>\n\n"
+printf -- "Examples:\n"
+printf -- "sudo ./certbotinstall -p 1234AkkbdceewEFJK\n\n"
+}
+
+#
+# Let's go
+#
+clear
+
+#
+# Check if no arguments were given
+#
+if [[ $# -eq 0 ]]; then usage; exit 1; fi
+
+#
+# Manual argument parsing
+#
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        -p)
+            shift
+            if [[ -z "$1" ]]; then
+                usage
+                printf "ERROR: API TOKEN CANNOT BE EMPTY!\n\n"
+                exit 1
+            fi
+            apitoken="$1"
+
+            # Validate token at least 20 chars alphanum + - _
+            if [[ ! "$apitoken" =~ ^[A-Za-z0-9_-]{20,}$ ]]; then
+                echo "ERROR: API token format seems invalid."
+                echo "Cloudflare API tokens are usually long strings with letters, numbers, - and _."
+                exit 1
+            fi
+
+            shift
+            ;;
+        -h)
+            usage
+            exit 0
+            ;;
+        *)
+            usage
+            printf "\nType: sudo %s -h for help\n\n" "$0"
+            exit 1
+            ;;
+    esac
+done
+
+#
+# Install Certbot
+#
+snap install core && snap refresh core
+snap install --classic certbot
+ln -sf /snap/bin/certbot /usr/bin/certbot
+
+#
+# Install Cloudflare plugin 
+#
+snap set certbot trust-plugin-with-root=ok
+snap install certbot-dns-cloudflare
+
+#
+# Create the directory and the file that will store the api token
+#
+mkdir -p /etc/letsencrypt
+cat > /etc/letsencrypt/dnscloudflare.ini <<EOT
+# Cloudflare API token used by Certbot
+dns_cloudflare_api_token = $apitoken
+EOT
+chmod 0600 /etc/letsencrypt/dnscloudflare.ini
+
+#
+# All done
+#
+printf "\nAll Done...\n\n"
+
+#
+# End of script
+#