Auto Renew SSL for Cpanel

certbot-authenticate.sh

#!/bin/bash

echo $CERTBOT_TOKEN
echo $CERTBOT_VALIDATION > $CERTBOT_TOKEN
ftp -n $FTP_ADDR << END_SCRIPT
quote USER $FTP_USER
quote PASS $FTP_PASS
binary
put "$CERTBOT_TOKEN"
quit
END_SCRIPT

certbot-cleanup.sh

#!/bin/bash

rm -f ./$CERTBOT_TOKEN
ftp -n $FTP_ADDR << END_SCRIPT
quote USER $FTP_USER
quote PASS $FTP_PASS
binary
delete $CERTBOT_TOKEN
quit
END_SCRIPT

certbot.sh

#!/bin/bash

set -e

echo "Create Temp Environement..."
FOLDER_PATH=/tmp/$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
mkdir $FOLDER_PATH
mkdir $FOLDER_PATH/log
mkdir $FOLDER_PATH/config
echo "Successfully created in $FOLDER_PATH"
echo "Request for certificate..."
certbot -n --agree-tos --manual-public-ip-logging-ok \
        --manual-auth-hook certbot-authenticate.sh \
        --manual-cleanup-hook certbot-cleanup.sh \
        -m $EMAIL \
        -d $DOMAIN
        --manual --preferred-challenges http \
        --config-dir $FOLDER_PATH/config \
        --work-dir $FOLDER_PATH \
        --logs-dir $FOLDER_PATH/log \
        certonly

CERT=$(cat $FOLDER_PATH/config/live/$DOMAIN/cert.pem)
KEY=$(cat $FOLDER_PATH/config/live/$DOMAIN/privkey.pem)
BUNDLE=$(cat $FOLDER_PATH/config/live/$DOMAIN/chain.pem)

echo "Setting on Cpanel..."
curl \
        --user "$CPANEL_USERNAME:$CPANEL_PASSWORD" \
        --data-urlencode "cert=$CERT" \
        --data-urlencode "key=$KEY" \
        --data-urlencode "cabundle=$BUNDLE" \
        "$CPANEL_URL/execute/SSL/install_ssl?domain=$DOMAIN"
echo "Done"