337 lines
12 KiB
Python
337 lines
12 KiB
Python
import binascii
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import hashlib
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import json
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import os
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import re
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import xml.etree.ElementTree as ET
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from pathlib import Path
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from Crypto.Cipher import AES
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from Crypto.Util.Padding import pad
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from scripts.context import Context
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from scripts.task import Task
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from utils import FileUtils
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from utils.logger_utils import app_logger
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def encrypt_content(key: str, content: str) -> str:
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"""
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加密内容，与Kotlin版本算法保持一致
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使用AES/ECB/PKCS5Padding模式，MD5生成密钥
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"""
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if not key:
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raise ValueError("Key cannot be null or empty.")
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if not content:
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raise ValueError("Content cannot be null or empty.")
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# 生成密钥的MD5哈希
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key_bytes = generate_key_hash(key)
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# 将内容转换为UTF-8字节
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content_bytes = content.encode('utf-8')
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# 初始化AES加密器，使用ECB模式和PKCS5填充
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cipher = AES.new(key_bytes, AES.MODE_ECB)
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# 对内容进行填充并加密
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padded_content = pad(content_bytes, AES.block_size)
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encrypted_bytes = cipher.encrypt(padded_content)
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# 将加密后的字节转换为小写十六进制字符串
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return binascii.hexlify(encrypted_bytes).decode().lower()
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def generate_key_hash(key: str) -> bytes:
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"""生成密钥的MD5哈希，返回16字节的密钥"""
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md5 = hashlib.md5()
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md5.update(key.encode('utf-8'))
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return md5.digest()
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def simple_encrypt(text, key):
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return encrypt_content(key, text)
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def encrypt_xml_resources(file_path, backup=True, key=""):
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"""读取XML资源文件，加密所有string内容，然后写回"""
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try:
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# 创建备份文件
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if backup and os.path.exists(file_path):
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backup_path = f"{file_path}.bak"
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with open(file_path, 'r', encoding='utf-8') as f_in, \
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open(backup_path, 'w', encoding='utf-8') as f_out:
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f_out.write(f_in.read())
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print(f"已创建备份文件: {backup_path}")
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# 解析XML文件
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tree = ET.parse(file_path)
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root = tree.getroot()
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# 遍历所有string元素并加密内容
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for string_elem in root.findall('string'):
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original_text = string_elem.text.replace("\\'", "'")
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if original_text is not None:
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# 加密文本
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encrypted_text = simple_encrypt(original_text, key)
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# 更新元素内容
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string_elem.text = encrypted_text
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print(f"加密: {original_text} -> {encrypted_text}")
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# 写回加密后的内容
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tree.write(file_path, encoding='utf-8', xml_declaration=True)
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print(f"加密完成，已更新文件: {file_path}")
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except Exception as e:
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print(f"处理文件时出错: {str(e)}")
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def get_all_string_names(xml_file):
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# 解析XML文件
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tree = ET.parse(xml_file)
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root = tree.getroot()
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# 存储所有name属性值
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string_names = []
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# 遍历所有string标签
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for string_elem in root.findall('string'):
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# 获取name属性值
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name = string_elem.get('name')
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if name:
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string_names.append(name)
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return string_names
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def get_all_style_names(xml_file):
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# 解析XML文件
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tree = ET.parse(xml_file)
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root = tree.getroot()
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# 存储所有name属性值
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string_names = []
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# 遍历所有string标签
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for string_elem in root.findall('style'):
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# 获取name属性值
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name = string_elem.get('name')
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if name:
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string_names.append(name)
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return string_names
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def extract_launcher_ids(xml_content):
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"""
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修复版：提取所有以 "launcher_" 开头的 android:id 值
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"""
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pattern = r'android:id\s*=\s*"@\+id/(launcher_\w+)"'
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matches = re.findall(pattern, xml_content)
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return matches
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def string_to_md5(text):
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# 将字符串编码为UTF-8字节
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text_bytes = text.encode('utf-8')
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# 创建MD5哈希对象并更新字节数据
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md5_hash = hashlib.md5(text_bytes)
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# 返回十六进制哈希字符串
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return md5_hash.hexdigest()
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def generate_encryption_key(key: str, s_len: int = -1, target_package_name: str = "") -> str:
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# if game_editor == "Cocos":
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# return key
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handle_key = target_package_name + key + target_package_name
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processed_key = string_to_md5(handle_key)
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while processed_key[0].isdigit():
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processed_key = processed_key[1:] # 移除首字符
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# 计算目标长度
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if s_len > 0:
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target_length = s_len
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else:
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target_length = len(key)
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# 取前N位（根据原始key长度），不足则全部保留
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# 如果处理后的key为空（极小概率），则返回空字符串
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return processed_key[:target_length] if processed_key else ""
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class ProjectProguard(Task):
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def __init__(self, context: Context):
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super().__init__(context)
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self.root = self.context.temp_project_path
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self.module_path = os.path.join(self.root, "launcher-game")
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self.code_path = os.path.join(self.module_path, "src")
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self.res_path = os.path.join(self.module_path, "res")
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self.drawable_path = os.path.join(self.res_path, "drawable")
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self.drawable_xxhdpi_path = os.path.join(self.res_path, "drawable-xxhdpi")
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self.layout_path = os.path.join(self.res_path, "layout")
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self.string_path = ""
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self.launcher_xml = ""
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self.launcher_java = ""
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self.style_path = ""
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def add_proguard_key(self, key: str) -> str:
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value = self.context.proguard_dict.get(key)
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if value:
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return value
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value = generate_encryption_key(key, target_package_name=self.context.package_name)
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self.context.proguard_dict[key] = value
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return value
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def write_proguard(self):
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file_path = os.path.join(self.context.temp_project_path, "proguard.pro")
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lines = open(file_path, "r", encoding="UTF-8").readlines()
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lines.append(f"""
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-repackageclasses '{self.context.package_name}' # 将所有类移动到 '{self.context.package_name}' 包下
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-flattenpackagehierarchy '{self.context.package_name}' # 扁平化包结构
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""")
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open(file_path, "w", encoding="UTF-8").writelines(lines)
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pass
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def proguard_code(self):
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code_package_name_list = ["com.game.launcher.activity", "com.game.launcher.view", "com.game.launcher.service"]
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for code_package in code_package_name_list:
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code_dir = os.path.join(self.code_path, code_package.replace(".", os.sep))
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files = os.listdir(code_dir)
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self.context.proguard_dict[code_package] = self.context.package_name
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for file in files:
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file_path = Path(file)
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file_name = file_path.stem
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file_ext = file_path.suffix
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target_class_name = self.add_proguard_key(file_name)
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target_file_path = os.path.join(self.code_path, self.context.package_name.replace(".", os.sep),
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target_class_name + file_ext)
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o = os.path.join(code_dir, file)
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self.context.proguard_dict[
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code_package + "." + file_name] = self.context.package_name + "." + target_class_name
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FileUtils.move(o, target_file_path)
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pass
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pass
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def proguard_pag(self):
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pag_file = os.path.join(self.module_path, "assets/pag_gl_slide.pag".replace("/", os.sep))
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target_pag = self.add_proguard_key("pag_gl_slide")
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FileUtils.move(pag_file, pag_file.replace("pag_gl_slide", target_pag))
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pass
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def proguard_file_name(self, dir_path: str):
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for file in os.listdir(dir_path):
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path = Path(file)
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file_name = path.stem
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target_file_name = self.add_proguard_key(file_name)
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abspath = os.path.join(dir_path, file)
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FileUtils.move(abspath, abspath.replace(file_name, target_file_name))
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pass
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def analysis_id_dir(self, dir_path: str):
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for file in os.listdir(dir_path):
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file = os.path.join(dir_path, file)
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self.analysis_id_file(file)
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pass
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def analysis_id_file(self, path: str):
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ids = extract_launcher_ids(open(path, "r", encoding="UTF-8").read())
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for id in ids:
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self.add_proguard_key(id)
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pass
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def analysis_string_name(self, file_path: str):
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names = get_all_string_names(file_path)
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for name in names:
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self.add_proguard_key(name)
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pass
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def analysis_style_name(self, file_path: str):
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names = get_all_style_names(file_path)
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for name in names:
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self.add_proguard_key(name)
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pass
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def update_proguard_file(self, file_path: str):
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if not (file_path.endswith(".java") or file_path.endswith(".xml") or file_path.endswith(".kt")):
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return
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text = open(file_path, "r", encoding="UTF-8").read()
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for key, value in self.context.proguard_dict.items():
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text = text.replace(key, value)
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open(file_path, "w", encoding="UTF-8").writelines(text)
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def update_proguard_dir(self, dir_path: str):
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for root, dirs, files in os.walk(dir_path):
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for file in files:
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file_path = os.path.join(root, file)
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self.update_proguard_file(file_path)
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pass
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def execute(self):
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self.root = self.context.temp_project_path
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self.module_path = os.path.join(self.root, "launcher-game")
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self.code_path = os.path.join(self.module_path, "src")
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self.res_path = os.path.join(self.module_path, "res")
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self.drawable_path = os.path.join(self.res_path, "drawable")
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self.drawable_xxhdpi_path = os.path.join(self.res_path, "drawable-xxhdpi")
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self.layout_path = os.path.join(self.res_path, "layout")
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self.string_path = os.path.join(self.res_path, "values", "strings.xml")
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self.style_path = os.path.join(self.res_path, "values", "styles.xml")
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self.launcher_xml = os.path.join(self.root, "res/layout/launcher.xml".replace("/", os.sep))
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self.launcher_java = os.path.join(self.root, "src/com/android/launcher3/Launcher.java".replace("/", os.sep))
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self.write_proguard()
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self.proguard_code()
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self.proguard_pag()
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self.proguard_file_name(self.drawable_path)
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self.proguard_file_name(self.drawable_xxhdpi_path)
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self.proguard_file_name(self.layout_path)
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self.analysis_id_file(self.launcher_xml)
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self.analysis_id_dir(self.layout_path)
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self.analysis_string_name(self.string_path)
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self.analysis_style_name(self.style_path)
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self.add_proguard_key("gltaskaffinity")
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self.context.proguard_dict = {
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k: v for k, v in sorted(
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self.context.proguard_dict.items(),
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key=lambda item: len(item[0]),
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reverse=True
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)
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}
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self.update_proguard_file(os.path.join(self.context.temp_project_path,
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"src/com/android/launcher3/views/OptionsPopupView.java".replace("/",
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os.sep)))
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self.update_proguard_file(self.launcher_xml)
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self.update_proguard_file(self.launcher_java)
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self.update_proguard_file(self.string_path)
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self.update_proguard_dir(self.layout_path)
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self.update_proguard_dir(self.drawable_xxhdpi_path)
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self.update_proguard_dir(self.drawable_path)
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self.update_proguard_dir(self.module_path)
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self.update_proguard_dir(os.path.join(self.context.temp_project_path, "lawnchair/res/xml"))
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encrypt_xml_resources(self.string_path, False, string_to_md5(self.context.package_name).upper())
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app_logger().info(json.dumps(self.context.proguard_dict, indent=4))
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# if __name__ == '__main__':
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# encrypt_xml_resources(
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# "/Users/luojian/Documents/project/zicp/Lawnchair_DollMasterLauncher/launcher-game/res/values/strings.xml")
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# # key = string_to_md5("com.drop.meme.merge.game.fsaew.puzzle").upper()
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# # print(key)
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# # result = encrypt_content(key, "hello World")
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# # print(result)
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# pass
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