unpack-all

#!/bin/bash
#
#   Copyright 2016-2018 Irdeto BV
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#

die() {
	echo "fatal: $@" > /dev/stderr
	exit 1
}

READLINK=readlink
if ! test -z "$(which greadlink 2>/dev/null)"; then #we need a useful readlink alternative on OSX
	READLINK=greadlink
fi

SCRIPT_DIR="$(dirname $(${READLINK} -f "${0}"))"

if [ -z "$1" ]; then
	die "please specify a list of .ipa and .apk to unpack"
fi

for package_file in "$@"; do
	if [ -e "${package_file}" ]; then
		unpack_dir="$(basename ${package_file})"
		if [[ $(basename "${package_file}") =~ \.apk ]] && which apktool > /dev/null; then
			apktool d "${package_file}" -o "${unpack_dir}" || ( cd "${unpack_dir}" && unzip -o "../${package_file}" )  || die
			(cd "${unpack_dir}" && unzip "../${package_file}" classes.dex)
		else
			mkdir -p "${unpack_dir}" || die
			( cd "${unpack_dir}" && unzip -o "../${package_file}" ) || die
		fi
	fi
done