set -o pipefail

progname="${0##*/}"

progname="${progname%.sh}"

cleanup_trap() {

}

source "$(dirname "$0")/shellUtils.sh"

usage() {

}

if [ "$#" -ne 1 ]; then

usage

exit 1

case "$1" in

--help | -h | -\?)

usage

exit 0

;;

*)

dir="$1"

;;

if ! [ -f "$dir" ] && ! [ -d "$dir" ]; then

error "Invalid file: $dir"

exit 1

if [[ "$dir" == *.apk ]]; then

trap 'cleanup_trap' EXIT

echo

title "Recursively analyzing $dir"

echo

if zipalign --help 2>&1 | grep -q "\-P <pagesize_kb>"; then

title "APK zip-alignment"

zipalign -v -c -P 16 4 "$dir" | grep -E 'lib/arm64-v8a|lib/x86_64|Verification'

echo "========================="

else

info "NOTICE: Zip alignment check requires build-tools version 35.0.0-rc3 or higher."

info " You can install the latest build-tools by running the below command"

info " and updating your \$PATH:"

echo

info ' sdkmanager "build-tools;35.0.0-rc3"'

fi

dir_filename=$(basename "$dir")

tmp=$(mktemp -d -t "${dir_filename%.apk}_out_XXXXX")

unzip "$dir" lib/* -d "$tmp" >/dev/null 2>&1

dir="$tmp"

if [[ "$dir" == *.apex ]]; then

trap 'cleanup_trap' EXIT

echo

title "Recursively analyzing $dir"

echo

dir_filename=$(basename "$dir")

tmp=$(mktemp -d -t "${dir_filename%.apex}_out_XXXXX")

if ! deapexer extract "$dir" "$tmp"; then

error "Failed to deapex."

exit 1

fi

dir="$tmp"

unaligned_libs=()

title "ELF alignment"

matches="$(find "$dir" -type f)"

IFS=$'\n'

for match in $matches; do

[[ "$match" == *".apk" ]] && warn "doesn't recursively inspect .apk file: $match"

[[ "$match" == *".apex" ]] && warn "doesn't recursively inspect .apex file: $match"

[[ $(file "$match") == *"ELF"* ]] || continue

res="$(objdump -p "$match" | grep LOAD | awk '{ print $NF }' | head -1)"

if [[ $res =~ 2\*\*(1[4-9]|[2-9][0-9]|[1-9][0-9]{2,}) ]]; then

printf "%s: %sALIGNED%s (%s)\n" "$match" "$GREEN" "$RESET" "$res"

else

printf "%s: %sUNALIGNED%s (%s)\n" "$match" "$RED" "$RESET" "$res"

unaligned_libs+=("$match")

fi

if [ "${#unaligned_libs[@]}" -gt 0 ]; then

printf "%sFound %d unaligned libs (only arm64-v8a/x86_64 libs need to be aligned).%s\n" "$RED" "${#unaligned_libs[@]}" "$RESET"

elif [ -n "${dir_filename:-}" ]; then

success "ELF Verification Successful"

echo "====================="