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path: root/utils/scripts/modify_apk.sh
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#!/bin/bash

TMP_DIR="/tmp/driedlamu/modify_apk"

decompile() {
	local file="$1"
	local file_name="$(basename "$file" .apk)"
	local working_dir="$TMP_DIR/$file_name"

	mkdir -p "$working_dir"

	if ! java -Xmx2048m -jar "./utils/jar/apktool.jar" d -q -f "$file" -o "$working_dir/decompile"; then
		echo "Error: Failed to decompile $file with apktool"
		exit 1
	fi
}

repack() {
	local file="$1"
	local file_name="$(basename "$file" .apk)"
	local output_location="$2"
	local working_dir="$TMP_DIR/$file_name"
	local modified_apk="$working_dir/${file_name}_unsigned.apk"

	if ! java -Xmx2048m -jar "./utils/jar/apktool.jar" b -q -f "$working_dir/decompile" -o "$working_dir/${file_name}_unsigned.apk"; then
		echo "Error: Failed to recompile $file with apktool"
		exit 1
	fi

	apksigcopier copy "$file" "$modified_apk" "${output_location}/${file_name}.apk"
}

mkdir -p $TMP_DIR

apk_cli() {
	case $1 in
			unpack)
				decompile "$2"
			;;
			repack)
				repack "$2" "$3"
			;;
			*)
				echo "Please specify a valid type of task you wish to do (unpack, repack)."
				exit 1
			;;
	esac
}

apk_cli "$1" "$2" "$3"