#!/usr/bin/env bash
# Created by Tobias Powalowski <tpowa@archlinux.org>

build ()
{
    # https://wiki.archlinux.org/title/Unified_Extensible_Firmware_Interface/Secure_Boot
    apps="openssl python3 cert-to-efi-hash-list efi-readvar efi-updatevar efitool-mkusb flash-var \
          hash-to-efi-sig-list sig-list-to-certs cert-to-efi-sig-list sign-efi-sig-list sbattach sbkeysync \
          sbsiglist sbsign sbvarsign sbverify mokutil"
    add_file "/etc/ssl/openssl.cnf"
    for i in $apps; do
        add_binary "$i"
    done
    # add mkkeys.sh
    MKKEYS=$(mktemp /var/tmp/mkkeys.XXXX)
    curl -s -L -o ${MKKEYS} https://www.rodsbooks.com/efi-bootloaders/mkkeys.sh 
    chmod 755 ${MKKEYS}
    add_file "${MKKEYS}" "/usr/bin/mkkeys.sh"
    # add python3 files for script
    add_full_dir /usr/lib/python3.10/encodings
    add_full_dir /usr/lib/python3.10/collections
    add_full_dir /usr/lib/python3.10/logging
    PYTHON_FILES="_collections_abc keyword heapq platform types enum uuid \
                  _sitebuiltins genericpath posixpath _collections_abc stat os site abc io codecs \
                  operator reprlib re sre_compile sre_parse sre_constants functools copyreg subprocess \
                  signal threading _weakrefset warnings contextlib random bisect hashlib traceback \
                  linecache tokenize token weakref string selectors"
    PYTHON_DYN="select.cpython-310-x86_64-linux-gnu math.cpython-310-x86_64-linux-gnu _random.cpython-310-x86_64-linux-gnu \
                _sha512.cpython-310-x86_64-linux-gnu _posixsubprocess.cpython-310-x86_64-linux-gnu" 
    for i in $(echo $PYTHON_FILES); do
        add_file "/usr/lib/python3.10/$i.py"
    done
    for i in $(echo $PYTHON_DYN); do
        add_file "/usr/lib/python3.10/lib-dynload/$i.so"
    done
    # add efitools files
    add_file "/usr/share/efitools/efi/PreLoader.efi"
    add_file "/usr/share/efitools/efi/HashTool.efi"
    add_file "/usr/share/efitools/efi/KeyTool.efi"
    # add shim signed files from fedora
    _SHIM_URL="https://kojipkgs.fedoraproject.org/packages/shim/15.4/5/x86_64"
    _SHIM_VERSION="shim-x64-15.4-5.x86_64.rpm"
    _SHIM32_VERSION="shim-ia32-15.4-5.x86_64.rpm"
    SHIM=$(mktemp -d /var/tmp/shim.XXXX)
    curl -s --create-dirs -L -O --output-dir "${SHIM}" "${_SHIM_URL}/${_SHIM_VERSION}"
    bsdtar -C ${SHIM} -xf "${SHIM}"/"${_SHIM_VERSION}"
    add_file "${SHIM}/boot/efi/EFI/fedora/mmx64.efi" "/usr/share/archboot/fedora-shim/mmx64.efi"
    add_file "${SHIM}/boot/efi/EFI/fedora/shimx64.efi" "/usr/share/archboot/fedora-shim/shimx64.efi"
    SHIM32=$(mktemp -d /var/tmp/shim32.XXXX)
    curl -s --create-dirs -L -O --output-dir "${SHIM32}" "${_SHIM_URL}/${_SHIM32_VERSION}"
    bsdtar -C "${SHIM32}" -xf "${SHIM32}/${_SHIM32_VERSION}"
    add_file "${SHIM32}/boot/efi/EFI/fedora/mmia32.efi" "/usr/share/archboot/fedora-shim/mmia32.efi"
    add_file "${SHIM32}/boot/efi/EFI/fedora/shimia32.efi" "/usr/share/archboot/fedora-shim/shimia32.efi"
    # add generate keys script
    add_file "/usr/bin/archboot-secureboot-keys.sh" "/usr/bin/secureboot-keys.sh"
}

help ()
{
cat<<HELPEOF
  This hook includes secure boot tools on an archboot image.
HELPEOF
}