home-automation-home-assistant/scripts/install-wakeonlan-sshkey.sh

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#!/usr/bin/env bash
DIR=$(dirname "$(readlink -f "$0")")
KEYFILE="$DIR/../ssh-key/homeassistant-wakeonlan-sshkey"
TARGET="$HOME/.ssh/authorized_keys"
if [ ! -f $KEYFILE ]; then
echo "You need to create the SSH-Key-File first: \"$KEYFILE\""
echo "Use: \"ssh-keygen -t ed25519 -C homeassistant-wakeonlan-sshkey -f $KEYFILE\""
exit 1
fi
if ! which wakeonlan > /dev/null; then
echo "You need to install \"wakeonlan\" first. Otherwise the ssh-key will be useless."
exit 1
fi
SSHKEY=$(<"$KEYFILE.pub")
echo "command=\"wakeonlan \$SSH_ORIGINAL_COMMAND\" $SSHKEY" >> $TARGET
echo "Installed the ssh key into \"$TARGET\"."