Add the missing autolock functionality back to keepass on Linux.

keepass-autolock.sh

#!/bin/bash

AUTOLOCK_MIN=10 # Minutes to wait before locking keepass
LOCK_CMD='keepass --lock-all'

declare -A IDLE_TIME_COMMANDS

IDLE_TIME_COMMANDS=(
  ["KDE"]="qdbus org.kde.screensaver /ScreenSaver GetSessionIdleTime"
)

xautolock_cmd() {
  if command -v xautolock > /dev/null; then
    xautolock -time "$AUTOLOCK_MIN" -secure -locker "$LOCK_CMD" \
        -noclose -resetsaver -detectsleep
  else
    echo 'Please install `xautolock`'
  fi
}

check_idle_loop() {
  local is_idle time_command idle_time
  eval time_command="\${IDLE_TIME_COMMANDS[$1]}"
  until pkill -0 -f "KeePass.exe"; do
          sleep 30
  done
  while :; do
    idle_time="$($time_command)"
    if (( idle_time >= AUTOLOCK_MIN*60000 && is_idle == 0 )); then
      ${LOCK_CMD} &&
      is_idle=1
    elif (( idle_time < AUTOLOCK_MIN*60000 && is_idle == 1 )); then
      is_idle=0
    fi
    sleep 15
  done
}

case "${XDG_CURRENT_DESKTOP^^}" in
    KDE*) check_idle_loop KDE;;
    *) xautolock_cmd;;
esac