#!/bin/bash

REPORT_FILE="${CWD}/NanoDroid_Report_${VERSION}"

create_report () {

	CURDATE=$(date +%Y%m%d-%H.%M.%S)

	echo "NanoDroid ${VERSION} package report [${CURDATE}]
==========================================================
" > ${REPORT_FILE}

	for file in $(find ${CWD} -type f); do
		case ${file} in
			*.apk.gz ) get_apk_info ${file} ;;
			*.so*    ) get_swipe_info ${file} ;;
			*xbin*   ) get_bin_info ${file} ;;
			*tools*  ) get_bin_info ${file} ;;
			*etc*    ) get_etc_info ${file} ;;
		esac
	done

}

get_apk_info () {

	APK=${CWD}/_report.apk

	gzip -dc ${1} > ${APK}

	APK_FILE=$(basename ${1})
	APK_PATH=$(dirname ${1} | sed -e 's/.*NanoDroid/NanoDroid/')
	APK_NAME=$(aapt dump badging ${APK} 2>/dev/null | gawk -F \' '/^package: name/{print $2}')
	APK_VERSION=$(aapt dump badging ${APK} 2>/dev/null | gawk -F \' '/^package: name/{print $6}')
	APK_CODE=$(aapt dump badging ${APK} 2>/dev/null | gawk -F \' '/^package: name/{print $4}')
	APK_PERM=$(aapt dump badging ${APK} 2>/dev/null | gawk -F \' '/^uses-permission:/{print $2}' | sort)
	APK_SHA=$(sha256sum ${APK} | gawk '{print $1}')
	GZIP_SHA=$(sha256sum ${1} | gawk '{print $1}')

	case ${1} in
		*gsync/K* ) APK_TYPE="Google Sync Adapters [KitKat]" ;;
		*gsync/L* ) APK_TYPE="Google Sync Adapters [Lolipop]" ;;
		*gsync/M* ) APK_TYPE="Google Sync Adapters [Marshmallow]" ;;
		*gsync/N* ) APK_TYPE="Google Sync Adapters [Nougat]" ;;
		*gsync/O* ) APK_TYPE="Google Sync Adapters [Oreo]" ;;
		*gsync/P* ) APK_TYPE="Google Sync Adapters [Pie]" ;;
		*gsync/common*) APK_TYPE="Google Sync Adatpers [Generic]" ;;
		*priv-app*) APK_TYPE="Privileged Application" ;;
		*app*     ) APK_TYPE="Generic Application" ;;
	esac

	echo "Android Package: ${APK_NAME}
	| Filename:	${APK_FILE}
	| Origin:	${APK_PATH}
	| Type:		${APK_TYPE}
	| Version:	${APK_VERSION}
	| VersionCode:	${APK_CODE}
	| SHA256 APK:	${APK_SHA}
	| SHA256 GZip:	${GZIP_SHA}" >> ${REPORT_FILE}

	if [ -z "${APK_PERM}" ]; then
		echo -e "	| Permissions:	none requested\n" >> ${REPORT_FILE}
	else	echo -e "	| Permissions:\n$(printf "\t|- %s\n" ${APK_PERM})\n" >> ${REPORT_FILE}
	fi

	rm -f ${APK}

}

get_swipe_info () {

	LIB_FILE=$(basename ${1})
	LIB_PATH=$(dirname ${1} | sed -e 's/.*NanoDroid/NanoDroid/')

	case ${LIB_FILE} in
		*libjni_latinimegoogle* ) LIB_NAME="Latin IME Google" ;;
		*libjni_keyboarddecoder*) LIB_NAME="Keyboard Decoder" ;;
	esac

	case ${1} in
		*19* ) LIB_CODE="19 [KitKat]" ;;
		*21* ) LIB_CODE="21 [Lollipop]" ;;
		*22* ) LIB_CODE="22 [Lollipop]" ;;
		*23* ) LIB_CODE="23 [Marshmallow]" ;;
		*24* ) LIB_CODE="23 [Nougat] {24}" ;;
		*25* ) LIB_CODE="23 [Nougat] {25}" ;;
		*26* ) LIB_CODE="26 [Oreo] {26}" ;;
		*27* ) LIB_CODE="27 [Oreo]" ;;
		*28* ) LIB_CODE="28 [Pie]" ;;
		*    ) LIB_CODE="Generic" ;;
	esac

	LIB_ARCH=$(file -b ${1} | gawk -F, '{print $2 " [ " $1 " ] [" $3 " ]"}')
	LIB_SPECS=$(file -b ${1} | gawk -F, '{print $4 " [" $5 " ]"}')

	LIB_SHA=$(sha256sum ${1} | gawk '{print $1}')

	echo "Android Library: ${LIB_NAME}
	| Filename:	${LIB_FILE}
	| Origin:	${LIB_PATH}
	| SDK Code:	${LIB_CODE}
	| Arch:		${LIB_ARCH}
	| Specifics:	${LIB_SPECS}
	| SHA256:	${LIB_SHA}
" >> ${REPORT_FILE}

}

get_bin_info () {

	BIN_FILE=$(basename ${1})
	BIN_NAME=$(basename ${1} | sed -e 's/\..*//')
	BIN_PATH=$(dirname ${1} | sed -e 's/.*NanoDroid/NanoDroid/')

	case ${BIN_PATH} in
		*xbin* ) BIN_TYPE="Android User Utility" ;;
		*tools*) BIN_TYPE="Android Installer Utility" ;;
	esac

	BIN_ARCH=$(file -b ${1} | gawk -F, '{print $2 " [ " $1 " ] [" $3 " ]"}')
	BIN_SPECS=$(file -b ${1} | gawk -F, '{print $4 " [" $7 " ] [" $6 " ]"}')

	BIN_SHA=$(sha256sum ${1} | gawk '{print $1}')

	echo "${BIN_TYPE}: ${BIN_NAME}
	| Filename:	${BIN_FILE}
	| Origin:	${BIN_PATH}
	| Arch:		${BIN_ARCH}
	| Specifics:	${BIN_SPECS}
	| SHA256:	${BIN_SHA}
" >> ${REPORT_FILE}

}

get_etc_info () {

	ETC_FILE=$(basename ${1})
	ETC_PATH=$(dirname ${1} | sed -e 's/.*NanoDroid/NanoDroid/')

	ETC_PKGS=""

	case ${ETC_PATH} in
		*gsync*default-permissions* ) ETC_TYPE="Google Sync Adapaters Permissions"
		                              ETC_PKGS="$(gawk -F\" '/package=/{print $2}' ${1})" ;;
		*etc/permissions*           ) ETC_TYPE="Application Permissions"
		                              ETC_PKGS="$(gawk -F\" '/package=/{print $2}' ${1})" ;;
		*etc/default-permissions*   ) ETC_TYPE="Application Permissions"
		                              ETC_PKGS="$(gawk -F\" '/package=/{print $2}' ${1})" ;;
		*etc/terminfo*              ) ETC_TYPE="GNU Nano Terminfo" ;;
		*etc/init.d*                ) ETC_TYPE="NanoDroid init Script" ;;
		*etc/sysconfig*             ) ETC_TYPE="Linux sysconfig Settings" ;;
		*etc/bash*                  ) ETC_TYPE="GNU Bash Configuration" ;;
		*etc/org.fdroid.fdroid*     ) ETC_TYPE="F-Droid Configuration" ;;
	esac

	ETC_SHA=$(sha256sum ${1} | gawk '{print $1}')

	echo "${ETC_TYPE}: ${ETC_FILE}
	| Filename:	${ETC_FILE}
	| Origin:	${ETC_PATH}
	| SHA256:	${ETC_SHA}" >> ${REPORT_FILE}

	if [ ! -z "${ETC_PKGS}" ]; then
		echo -e "	| Packages:\n$(printf "\t|- %s\n" ${ETC_PKGS})\n" >> ${REPORT_FILE}
	else	echo -e "\n" >> ${REPORT_FILE}
	fi

}