#!/bin/sh
# Start a browser to connect to Agama's web user interface skipping the authentication.
# This script is invoked as a part of gnome-kiosk startup procedure. See /usr/bin/gnome-kiosk-script
# which is at the end of the chain and invokes this script.

TOKEN_FILE=/run/agama/token
PREFS=$HOME/.mozilla/firefox/profile/user.js

# read the system locale from EFI if present
LANG_FILE=/sys/firmware/efi/efivars/PlatformLang-8be4df61-93ca-11d2-aa0d-00e098032b8c

# file exists and is not empty
if [ -s  "$LANG_FILE" ]; then
  # skip the first 4 bytes (the EFI attributes), keep only the characters allowed in a language code,
  # especially remove the trailing null byte
  EFI_LANG=$(cat "$LANG_FILE" | tail -c +5 | tr -cd "[_a-zA-Z-]")

  if [ -n "$EFI_LANG" ]; then
    # escape & because it has a special meaning in sed replacement
    LANG_QUERY="\\&lang=$EFI_LANG"
  fi
fi

# Waiting until Agama web server is listening.
until [ "$(curl --silent --output /dev/null --write-out "%{http_code}" --head http://localhost/)" == "200" ]; do
  echo "Waiting for agama-web-server"
  sleep 2
done

TOKEN=$(cat $TOKEN_FILE)
sed -e "s/__HOMEPAGE__/http:\/\/localhost\/login?token=$TOKEN$LANG_QUERY/" $PREFS.template > $PREFS

# Do not use --kiosk mode (see bsc#1236073) until SLE16 is updated to next ESR. For Firefox
# 128.9 which is currently used the bug is valid, for >= 138 should be fixed.
firefox --profile $HOME/.mozilla/firefox/profile

sleep 1.0
exec "$0" "$@"