#!/bin/bash
# Ignore non interactive git shells like git since that's just annoying.
if [ -z "$SSH_TTY" ]; then
  exit 0
fi

# Your ntfy topic URL
NTFY_TOPIC="bla bla bla"

HOSTNAME=$(hostname)
USER="$PAM_USER"
IP="$PAM_RHOST"
TIME=$(date +"%Y-%m-%d %H:%M:%S %Z")

MESSAGE="SSH login
User: $USER
IP: $IP
Host: $HOSTNAME
Time: $TIME"

curl -s -X POST "$NTFY_TOPIC" \
     -H "Title: New SSH Login detected !" \
     -H "Priority: 4" \
     -d "$MESSAGE"