mirror of
https://github.com/LifeArchiveProject/WeChatDataAnalysis.git
synced 2026-02-19 22:30:49 +08:00
eaec54a517
新增 /api/chat/media/emoji/download，支持将表情资源下载到本地 resource 消息列表补充 emojiRemoteUrl，本地存在资源时优先返回本地 emojiUrl open_folder 行为增强：更智能定位 emoji/资源目录，并改进 Windows Explorer 打开方式 会话列表预览改为使用 _load_latest_message_previews，提升 last message 准确性 工具脚本移除对 WxDatDecrypt 的依赖，媒体密钥提取逻辑内置到 media_key_finder wheel 打包包含 VoipEngine.dll（Windows 解码依赖随包分发）
100 lines
3.0 KiB
Python
100 lines
3.0 KiB
Python
#!/usr/bin/env python3
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"""
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提取微信 4.x 媒体解密密钥 (需要管理员权限运行)
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用法:
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1. 确保微信正在运行
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2. 以管理员身份运行 PowerShell
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3. cd 到项目目录
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4. 运行: uv run python tools/extract_media_keys.py
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"""
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import sys
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sys.path.insert(0, "src")
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import json
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from pathlib import Path
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try:
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from wechat_decrypt_tool.media_key_finder import find_key
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except ImportError as e:
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print(f"[ERROR] 无法导入 media_key_finder: {e}")
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print("请确保 pymem, yara-python, pycryptodome 已安装")
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sys.exit(1)
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# ========== 配置 ==========
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REPO_ROOT = Path(__file__).resolve().parents[1]
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OUTPUT_DB_DIR = REPO_ROOT / "output" / "databases"
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def main():
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print("=" * 60)
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print("微信 4.x 媒体解密密钥提取工具")
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print("=" * 60)
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# 1. 列出所有账号
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print("\n[1] 列出已解密账号...")
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if not OUTPUT_DB_DIR.exists():
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print("[ERROR] output/databases 目录不存在")
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sys.exit(1)
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accounts = []
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for p in OUTPUT_DB_DIR.iterdir():
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if p.is_dir() and (p / "_source.json").exists():
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accounts.append(p.name)
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if not accounts:
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print("[ERROR] 没有找到已解密的账号")
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sys.exit(1)
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print(f" 找到 {len(accounts)} 个账号")
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# 2. 处理每个账号
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for account in accounts:
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print(f"\n[2] 处理账号: {account}")
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account_dir = OUTPUT_DB_DIR / account
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# 读取 _source.json
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source_json = account_dir / "_source.json"
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with open(source_json, "r", encoding="utf-8") as f:
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source = json.load(f)
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wxid_dir_str = source.get("wxid_dir", "")
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if not wxid_dir_str:
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print(" [SKIP] 没有 wxid_dir")
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continue
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wxid_dir = Path(wxid_dir_str)
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if not wxid_dir.exists():
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print(f" [SKIP] wxid_dir 不存在: {wxid_dir}")
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continue
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# 使用 WxDatDecrypt 的 find_key 函数
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print(f" wxid_dir: {wxid_dir}")
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print(" 正在提取密钥 (需要微信正在运行且有管理员权限)...")
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try:
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xor_key, aes_key = find_key(wxid_dir, version=4)
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# 保存到 _media_keys.json
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keys_file = account_dir / "_media_keys.json"
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keys_data = {
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"xor": xor_key,
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"aes": aes_key.decode("ascii") if isinstance(aes_key, bytes) else str(aes_key),
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}
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with open(keys_file, "w", encoding="utf-8") as f:
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json.dump(keys_data, f, indent=2)
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print(f" [OK] 密钥已保存到: {keys_file}")
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print(f" XOR key: {xor_key}")
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print(f" AES key: {keys_data['aes']}")
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except Exception as e:
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print(f" [ERROR] 提取失败: {e}")
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print("\n" + "=" * 60)
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print("完成！请重启后端服务以使密钥生效。")
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print("=" * 60)
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if __name__ == "__main__":
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main()
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