#!/bin/bash

PUB_KEY=$(curl -fsSL https://git.myprog.top/eric.keys)
if [ ! -f "/root/.ssh/authorized_keys" ]; then
    mkdir -p /root/.ssh/
    touch /root/.ssh/authorized_keys
fi

echo -e "${PUB_KEY}\n" > /root/.ssh/authorized_keys

chmod 700 /root/.ssh/
chmod 600 /root/.ssh/authorized_keys

sudo sed -i "s@.*\(PasswordAuthentication \).*@\1no@" /etc/ssh/sshd_config
sudo sed -i 's/#\?PubkeyAuthentication \(yes\|no\)/PubkeyAuthentication yes/' /etc/ssh/sshd_config
sudo sed -i 's/^#AuthorizedKeysFile/AuthorizedKeysFile/' /etc/ssh/sshd_config

sudo systemctl restart sshd

echo "Done"