#!/bin/sh

set_authorized_keys(){
  # Add authorized_keys for a user.
  # $1 = username
  # $2 = newline-separated string of authorized keys
  _sak_homedir=$(eval echo "~${1}")
  _sak_group=$(getent passwd "$1" | awk -F: '{ print $4}')

  # Create authorized keys file and set permissions.
  install_directory -o "$1" -g "$_sak_group" -m 0700 "${_sak_homedir}/.ssh"
  [ -f "${_sak_homedir}/.ssh/authorized_keys" ] || touch "${_sak_homedir}/.ssh/authorized_keys"
  chown "$1" "${_sak_homedir}/.ssh/authorized_keys"
  chgrp "$_sak_group" "${_sak_homedir}/.ssh/authorized_keys"
  chmod 600 "${_sak_homedir}/.ssh/authorized_keys"

  printf '%s\n' "${2}" > "${_sak_homedir}/.ssh/authorized_keys"
  log "added authorized_keys for ${1}:"$'\n'"$2"
}

set_password(){
  # Set password for a local user.
  # $1 = username
  # $2 = password
  printf '%s\n%s\n' "$2" "$2" | passwd "$1" > /dev/null
}