scan.sh

#!/bin/bash

strings_file=""
app_file=""
decompile_script=""
verbose=""
isobfs=false

usage="Usage: $0 [-s strings_file] [-p app_file or folder] [-a || -i || -f] [-o to check obfuscation] [-v verbose]"
dir=$(dirname "$0")

while getopts s:p:iafov o
do	case "$o" in
	s)	strings_file="$OPTARG";;
	p)	app_file="$OPTARG";;
	i)	decompile_script="decompile_ios.sh";;
	a)	decompile_script="decompile_android.sh";;
	f)	decompile_script="none";;
	o)	isobf=true;;
	v) 	verbose="-v";;
	[?])	echo >&2 $usage
		exit 1;;
	esac
done

#both input files are required
if [[ "$strings_file" = "" ||  "$app_file" = "" || "$decompile_script" = "" ]]
	then
	echo "Missing Arguments"
	echo >&2 $usage
	exit 1
fi

if [[ "$decompile_script" != "none" ]]
then
	echo "Running $decompile_script"
	"$dir/$decompile_script" -p "$app_file" "$verbose"
else
	cp -r "$app_file" "$dir/search"
fi

total_strings=0
strings_found=0
string_exists=false
tmp_file="$dir/obfs_temp.tmp"
found_strings_list=()
not_found_strings_list=()

echo "Searching for strings.."
#Loop through all lines in strings.txt -- new line delimited. Last line always caught regardless of newline
 while read p || [[ -n "$p" ]]; do
 	p=$(echo $p | xargs) #Strip whitespace
 	if [[ -z "$p" ]]; then
 		continue #Skip empty lines
	fi
 	string_exists=false
 	grep -or "$p" "$dir/search" > $tmp_file

	while read -r line; do
		string_exists=true
	    echo "STRING FOUND: $line"
	done < $tmp_file
	if $string_exists; then
		found_strings_list+=("$p")
		strings_found=$((strings_found + 1))
	else
		not_found_strings_list+=("$p")
	fi
	total_strings=$((total_strings + 1))
 done < $strings_file

 if [[ $total_strings -eq 0 ]]; then
 	echo >&2 "Empty input strings file"
 	exit 1
 fi

 echo "$strings_found out of $total_strings strings found"
 echo ""
 echo "Not Found:"
 echo ""
 printf '%s\n' "${not_found_strings_list[@]}"
 echo ""
 echo "Found:"
 echo ""
 printf '%s\n' "${found_strings_list[@]}"

rm "$tmp_file"
rm -rf $dir/search

if [[ $strings_found -eq $total_strings ]]; then
	if [[ $isobf ]]; then
		echo >&2 "None of the given strings are obfuscated in $app_file. See build log for details"
		exit 2
	else
		echo >&2 "All strings found in $app_file!"
		exit 0
	fi
elif [[ $strings_found -gt 0 ]]; then
	if [[ $isobf ]]; then
		echo >&2 "Only some of the given strings are obfuscated in $app_file. See build log for details"
	else
		echo >&2 "Some strings were not found in $app_file. See build log for details"
	fi
	exit 1
else
	if [[ $isobf ]]; then 
		echo >& "No strings found in $app_file! See build log for details"
		exit 0
	else
		echo >&2 "No strings found in $app_file! See build log for details"
		exit 1
	fi
fi

if [[ $strings_found -eq $total_strings ]]; then
    exit 2
elif [[ $strings_found -gt 0 ]]; then
    exit 1
fi

exit 0