This script can be used to replace strings.xml values in a target Java file

apk_getString_R_string.py

# @author Pichaya Morimoto ([email protected])
# I tried all jadx options for debof, but it did not work.
# This script can be used to replace strings.xml values in a target Java file
# if (!Intrinsics.areEqual(param, context.getString(R.string.m1))) {  -> if (!Intrinsics.areEqual(param, "monday")) {
# Prompted and modified with ChatGPT for FlareOn 10's ItsOnFire
# Usage: python apk_getString_R_string.py resources/res/values/strings.xml sources/com/secure/itsonfire/MessageWorker.java
# Usage: python apk_getString_R_string.py resources/res/values/strings.xml sources
import xml.etree.ElementTree as ET
import re
import sys
import os

def parse_xml(xml_file):
    tree = ET.parse(xml_file)
    root = tree.getroot()
    data = {}
    for string_elem in root.findall('string'):
        name = string_elem.get('name')
        value = string_elem.text
        data[name] = value
    return data

def remove_lines_from_file(java_file):
    with open(java_file, 'r') as f:
        content = f.readlines()

    new_content = [line for line in content if "Intrinsics.checkNotNullExpressionValue" not in line]

    with open(java_file, 'w') as f:
        f.writelines(new_content)

def replace_java_patterns(java_file, data):
    with open(java_file, 'r') as f:
        content = f.read()

    for key, value in data.items():
        pattern = r'context\.getString\(R\.string\.{}\)'
        replacement = '"{}"'.format(value)
        content = re.sub(pattern.format(key), replacement, content)
        pattern = r'getString\(R\.string\.{}\)'
        replacement = '"{}"'.format(value)
        content = re.sub(pattern.format(key), replacement, content)
        
    with open(java_file, 'w') as f:
        f.write(content)

def process_directory(directory, data):
    for root, dirs, files in os.walk(directory):
        for file in files:
            if file.endswith('.java'):
                remove_lines_from_file(os.path.join(root, file))
                replace_java_patterns(os.path.join(root, file), data)

if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("Usage: python apk_getString_R_string.py resources/res/values/strings.xml sources")
        sys.exit(1)

    xml_filename = sys.argv[1]
    path_or_directory = sys.argv[2]

    data = parse_xml(xml_filename)

    if os.path.isdir(path_or_directory):
        process_directory(path_or_directory, data)
    else:
        replace_java_patterns(path_or_directory, data)