#!/bin/bash

SUDO=''
if [ ! -w "/etc/loolwsd" ]; then
    if (( $EUID != 0 )); then
        if hash sudo 2>/dev/null; then
            SUDO='sudo'
        else
            echo "Run the script as root."
            exit 1
        fi
    fi
fi

if [ -f /etc/loolwsd/proof_key ]; then
    echo "/etc/loolwsd/proof_key exists already."
    exit 0
fi

if hash ssh-keygen 2>/dev/null; then
    $SUDO ssh-keygen -t rsa -N "" -m PEM -f /etc/loolwsd/proof_key
    if [ $? -ne 0 ] ; then
        exit $?
	fi
    if id -u lool >/dev/null 2>&1; then
        $SUDO chown lool: /etc/loolwsd/proof_key
    else
        echo "User lool does not exist. Please reinstall loolwsd package, or in case of manual installation from source, create the lool user manually."
    fi
else
	echo "ssh-keygen command not found. Please install openssh client tools."
    exit 127
fi