Create nc-duckdns.sh

Add script to handle DuckDNS

1 files changed, 77 insertions, 0 deletions

diff --git a/etc/nextcloudpi-config.d/nc-duckdns.sh b/etc/nextcloudpi-config.d/nc-duckdns.sh
new file mode 100644
index 00000000..c53f4e60
--- /dev/null
+++ b/etc/nextcloudpi-config.d/nc-duckdns.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+# DuckDNS installation on Raspbian for NextcloudPi
+#
+#
+# Copyleft 2017 by Courtney Hicks
+# GPL licensed (see end of file) * Use at your own risk!
+#
+
+ACTIVE_=no
+DOMAIN_=yourduckdnsdomain
+TOKEN_=your-duckdns-token
+INSTALLDIR=duckdns
+INSTALLPATH=/etc/$INSTALLDIR
+CRONFILE=/etc/cron.d/duckdns
+DESCRIPTION="Free Dynamic DNS provider (need account from https://duckdns.org)"
+
+install() { :; }
+
+
+configure() 
+{
+
+   if [[ $ACTIVE_ == "yes" ]]; then
+      mkdir $INSTALLPATH 2> /dev/null
+      # Creates duck.sh script that checks for updates to DNS records
+      touch $INSTALLPATH/duck.sh
+      touch $INSTALLPATH/duck.log
+      echo -e "echo url=\"https://www.duckdns.org/update?domains=$DOMAIN_&token=$TOKEN_&ip=\" | curl -k -o $INSTALLPATH/duck.log -K -" > $INSTALLPATH/duck.sh
+      
+      # Adds file to cron to run script for DNS record updates and change permissions 
+      touch $CRONFILE
+      echo "*/5 * * * * $INSTALLPATH/duck.sh >/dev/null 2>&1" > $CRONFILE
+      chmod 700 $INSTALLPATH/duck.sh
+      chmod +x $CRONFILE
+      
+      # First-time execution of duck script
+      $INSTALLPATH/duck.sh > /dev/null 2>&1
+      
+      SUCCESS=`cat $INSTALLPATH/duck.log`
+      
+      # Checks for successful run of duck.sh
+      if [[ $SUCCESS == "OK" ]]; then
+         echo "DuckDNS is enabled"
+      elif [[ $SUCCESS == "KO" ]]; then
+         echo "DuckDNS install failed, is your information correct?"
+      fi
+	
+	# Removes config files and cron job if ACTIVE_ is set to no
+   elif [[ $ACTIVE_ == "no" ]]; then
+      rm $CRONFILE 2> /dev/null
+      rm $INSTALLPATH/duck.sh 2> /dev/null
+      rm $INSTALLPATH/duck.log 2> /dev/null
+      rmdir $INSTALLPATH 2> /dev/null
+      echo "DuckDNS is now disabled"
+	fi
+}
+
+
+cleanup() { :; }
+
+# License
+#
+# This script is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This script 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this script; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+# Boston, MA  02111-1307  USA