ddns-start

#!/bin/bash

IP=$1
source .config
echo "start ddns" > ddns.log
echo "the new ip is $IP" >> ddns.log
if [ -z $IP ]; then
  echo "can not get ip, quit" >> ddns.log
  exit 1
fi
SHA=`curl -s -k github.pem -u $GITHUB_U:$GITHUB_P https://api.github.com/repos/Apache9/IP/contents/R6300V2 | grep '"sha":' | awk '{print $2}' | awk -F\" '{print $2}'`
if [ ${#SHA} != 40 ]; then
  echo "can not get sha of the file, quit" >> ddns.log
  exit 1
fi
BASE64_IP=`echo $IP | openssl enc -base64`
DATE=`LC_ALL=en_US.utf8 date`
sed "s/{date}/$DATE/g; s/{content}/$BASE64_IP/g; s/{sha}/$SHA/g;" template.json > request.json
SC=`curl -s -k github.pem -u $GITHUB_U:$GITHUB_P -X PUT -H "Content-Type: application/json" -d '@request.json' -w "%{http_code}" "https://api.github.com/repos/Apache9/IP/contents/R6300V2"`
LEN=`echo ${#SC}`
let START=LEN-3
SC=`echo ${SC:$START:3}`
if [ "$SC" != "200" ]; then
  echo "failed to update ip to github, quit" >> ddns.log
  exit 1
fi
echo "successfully update ip to github"  >> ddns.log

SC=`curl -s -X GET -w "%{http_code}" 'http://$NOIP_U:$NOIP_P@dynupdate.no-ip.com/nic/update?hostname=$NOIP_H&myip=$IP'`
LEN=`echo ${#SC}`
let START=LEN-3
SC=`echo ${SC:$START:3}`
if [ "$SC" != "200" ]; then
  echo "failed to update ip to no-ip, quit" >> ddns.log
  exit 1
fi
echo "successfully update ip to no-ip"  >> ddns.log

exit 0