#!/bin/bash

# This is Kontur-Plugin build script for Porteus
# Version 2026-08-17

# Copyright 2023-2030, Blaze, Dankov, Russia
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# root check
if [ `whoami` != "root" ]; then
    echo -e "\nYou need to be root to run this script.\n"
    exit 1
fi

PRGNAM=${PRGNAM:-kontur-plugin}
BUILD=${BUILD:-1}
ARCH=$( uname -m )

if [ "$ARCH" != "x86_64" ]; then
    echo -e "\nThis plugin is only available for x86_64 architecture.\n"
    exit 1
fi

SOURCE="https://install.kontur.ru/files/kontur.plugin_amd64.deb"
BOLD=${BOLD:-"\e[1m"}
CYAN=${CYAN:-"\e[96m"}
GREEN=${GREEN:-"\e[92m"}
RED=${RED:-"\e[31m"}
RESET=${RESET:-"\e[0m"}
TMPDIR=/tmp/portch
PKG=$TMPDIR/package-$PRGNAM
PKGINFO=$PKG/var/lib/pkgtools/packages
OUTPUT=${OUTPUT:-/tmp}

cleanup(){
    [ -d $TMPDIR ] && rm -rf $TMPDIR
    [ -d $PKG ] && rm -rf $PKG
    exit
}

rm -rf $PKG
mkdir -p $TMPDIR $PKG
cd $TMPDIR

# download kontur-plugin deb
echo -e "\nDownloading ${CYAN}${BOLD}${PRGNAM}${RESET}"
wget -q --show-progress "$SOURCE" -O ${PRGNAM}.deb || {
    echo -e "${RED}Download failed.${RESET}"
    cleanup
}

# extract deb and get version
mkdir -p deb_tmp
cd deb_tmp
ar x ../${PRGNAM}.deb || {
    echo -e "${RED}Failed to extract deb archive.${RESET}"
    cleanup
}

tar xf control.tar.gz 2>/dev/null || tar xf control.tar.xz 2>/dev/null || tar xf control.tar.zst 2>/dev/null

VERSION=$(grep '^Version:' control | awk '{print $2}' | tr -d '\r')
if [ -z "$VERSION" ]; then
    echo -e "${RED}Failed to detect package version.${RESET}"
    cleanup
fi

echo -e "Detected version: ${GREEN}${BOLD}${VERSION}${RESET}"
cd ..

# check if kontur-plugin is installed in the system
if ls /var/lib/pkgtools/packages/kontur-plugin-* 1> /dev/null 2>&1; then
    MYVER=${MYVER:-`ls /var/lib/pkgtools/packages/kontur-plugin-* 2>/dev/null | head -n 1 | xargs basename | sed 's/kontur-plugin-//' | cut -d'-' -f1`}
fi

if [ "$MYVER" == "$VERSION" ]; then
    echo -e "You have the latest ${GREEN}$MYVER${RESET} version of $PRGNAM"
    sleep 5
    cleanup
else
    read -p "$(echo -e Would you like to build $PRGNAM ${GREEN}$VERSION${RESET} xzm module? [y/n])" -n 1 -r -s && echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        echo "We continue the execution of the $0 script" &>/dev/null
    else
        cleanup
    fi
fi

# extract data into package directory
cd deb_tmp
DATA_FILE=$(ls data.tar.gz data.tar.xz data.tar.zst data.tar.bz2 2>/dev/null | head -n 1)

if [ -z "$DATA_FILE" ]; then
    echo -e "${RED}Failed to find data archive in deb package.${RESET}"
    cleanup
fi

tar xf $DATA_FILE -C $PKG || {
    echo -e "${RED}Failed to extract data archive.${RESET}"
    cleanup
}

cd ..
rm -rf deb_tmp

cd $PKG
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

mkdir -p $PKGINFO
echo "PACKAGE NAME: $PRGNAM-$VERSION-$ARCH" > $PKGINFO/$PRGNAM-$VERSION-$ARCH

cat >> $PKGINFO/$PRGNAM-$VERSION-$ARCH << EOM
PACKAGE DESCRIPTION:
kontur-plugin: Kontur.Plugin is an extension for web browsers that allows 
kontur-plugin: users to perform cryptographic operations in SKB Kontur services.
kontur-plugin:
kontur-plugin: https://help.kontur.ru/plugin/
kontur-plugin:
FILE LIST:
EOM

find * | grep -v var >> $PKGINFO/$PRGNAM-$VERSION-$ARCH

mkdir -p $OUTPUT
dir2xzm $PKG $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD.xzm

# check if kontur-plugin xzm file exists in output directory
if [ -f "$OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.xzm" ]; then
    echo -e "\n${BOLD}Your $PRGNAM module is at: ${GREEN}${BOLD}$OUTPUT/$PRGNAM-$VERSION-${ARCH}-${BUILD}.xzm${RESET}\n${BOLD}Please copy it to your modules folder to survive a reboot.${RESET}\n"
else
    echo -e "\n${RED}${BOLD}Failed. Your $PRGNAM module is not built.${RESET}\n"
fi

cleanup