349 lines
12 KiB
Python
349 lines
12 KiB
Python
"""
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WeChat Decrypt 一键启动
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python main.py # 提取密钥 + 启动 Web UI
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python main.py decrypt # 提取密钥 + 解密全部数据库
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python main.py export # 提取密钥 + 解密 + 批量导出聊天记录
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python main.py all # 从零到完成：密钥 → 解密 → 导出
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python main.py status # 显示当前数据状态
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"""
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import functools
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import glob
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import json
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import os
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import platform
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import subprocess
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import sys
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print = functools.partial(print, flush=True)
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from key_utils import strip_key_metadata
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def check_wechat_running():
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"""检查微信是否在运行，返回 True/False"""
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if platform.system().lower() == "darwin":
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return subprocess.run(["pgrep", "-x", "WeChat"], capture_output=True).returncode == 0
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from find_all_keys import get_pids
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try:
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get_pids()
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return True
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except RuntimeError:
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return False
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def _run_decode_images(cfg, argv):
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"""`decode-images` 子命令:批量把 .dat 图片解密成明文图片树。
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与 decrypt 不同,decode-images **不需要** 微信进程在运行,也不需要 DB 密钥
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(只读已存在的 .dat 文件;V2 文件用 config.json 里的 image_aes_key)。
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"""
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import argparse
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from decode_image import decode_all_dats
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parser = argparse.ArgumentParser(
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prog="main.py decode-images",
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description=(
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"批量解密微信本地 .dat 图片到明文图片树。"
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"区别于 decode_image.py 单文件 CLI,本子命令扫描 attach_dir 下"
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"全部 .dat,镜像目录结构产出明文(jpg / png / gif / webp / hevc)。"
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),
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)
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default_base = cfg.get("wechat_base_dir") or os.path.dirname(cfg["db_dir"])
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default_attach = os.path.join(default_base, "msg", "attach")
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default_out = cfg.get("decoded_image_dir", "decoded_images")
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parser.add_argument(
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"--attach-dir", default=None,
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help=f"微信 msg/attach 根目录,覆盖默认推断(默认: {default_attach})",
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)
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parser.add_argument(
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"--decoded-dir", default=None,
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help=f"明文图片输出根目录,覆盖 config.json 的 decoded_image_dir(默认: {default_out})",
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)
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parser.add_argument(
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"--aes-key", default=None,
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help="V2 AES key(16 字节 ASCII 字符串),覆盖 config.json 的 image_aes_key",
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)
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parser.add_argument(
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"--xor-key", default=None,
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help="V2 XOR key(可十进制或 0x 十六进制),覆盖 config.json 的 image_xor_key(默认: 0x88)",
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)
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parser.add_argument(
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"--force", action="store_true",
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help="忽略已存在目标重新解密(默认按 basename 跳过)",
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)
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args = parser.parse_args(argv)
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attach_dir = args.attach_dir or default_attach
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out_dir = args.decoded_dir or default_out
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aes_key = args.aes_key if args.aes_key is not None else cfg.get("image_aes_key")
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xor_key_raw = args.xor_key if args.xor_key is not None else cfg.get("image_xor_key", 0x88)
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if isinstance(xor_key_raw, str):
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xor_key = int(xor_key_raw, 0)
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else:
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xor_key = xor_key_raw
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if not os.path.isdir(attach_dir):
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print(f"[ERROR] attach 目录不存在: {attach_dir}", file=sys.stderr)
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sys.exit(1)
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if aes_key is None:
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print(
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"[NOTE] 未配置 image_aes_key,V2 加密图片将被跳过(计入 skipped_no_key);"
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"V1 / 老 XOR 图片不受影响。提取 V2 key 见 README 的图片解密章节。",
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file=sys.stderr,
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)
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print(f" attach_dir = {attach_dir}")
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print(f" out_dir = {out_dir}")
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print(f" aes_key = {'已配置' if aes_key else '未配置'}")
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print(f" xor_key = 0x{xor_key:02x}")
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print(f" force = {args.force}")
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print()
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stats = decode_all_dats(
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attach_dir=attach_dir,
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out_dir=out_dir,
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aes_key=aes_key,
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xor_key=xor_key,
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force=args.force,
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)
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print()
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print("=" * 60)
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print(f"扫描 {stats['total']} 个 .dat 文件")
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print(f" 解码: {stats['decoded']} 跳过(已存在): {stats['skipped']} "
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f"无 key 跳过: {stats['skipped_no_key']} 失败: {stats['failed']}")
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if stats["formats"]:
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fmt_summary = ", ".join(f"{ext}={n}" for ext, n in sorted(stats["formats"].items()))
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print(f" 按格式: {fmt_summary}")
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print(f"输出在: {out_dir}")
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if stats["failed"] > 0:
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sys.exit(2)
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def ensure_keys(keys_file, db_dir):
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"""确保密钥文件存在且匹配当前 db_dir，否则重新提取"""
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if os.path.exists(keys_file):
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try:
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with open(keys_file, encoding="utf-8") as f:
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keys = json.load(f)
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except (json.JSONDecodeError, ValueError):
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keys = {}
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saved_dir = keys.pop("_db_dir", None)
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if saved_dir and os.path.normcase(os.path.normpath(saved_dir)) != os.path.normcase(os.path.normpath(db_dir)):
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print(f"[!] 密钥文件对应的目录已变更，需要重新提取")
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print(f" 旧: {saved_dir}")
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print(f" 新: {db_dir}")
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keys = {}
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keys = strip_key_metadata(keys)
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if keys:
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print(f"[+] 已有 {len(keys)} 个数据库密钥")
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return
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print("[*] 密钥文件不存在，正在从微信进程提取...")
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print()
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from find_all_keys import main as extract_keys
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try:
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extract_keys()
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except RuntimeError as e:
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print(f"\n[!] 密钥提取失败: {e}")
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sys.exit(1)
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print()
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if not os.path.exists(keys_file):
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print("[!] 密钥提取失败")
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sys.exit(1)
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try:
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with open(keys_file, encoding="utf-8") as f:
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keys = json.load(f)
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except (json.JSONDecodeError, ValueError):
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keys = {}
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if not strip_key_metadata(keys):
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print("[!] 未能提取到任何密钥")
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print(" 可能原因：选择了错误的微信数据目录，或微信需要重启")
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print(" 请检查 config.json 中的 db_dir 是否与当前登录的微信账号匹配")
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sys.exit(1)
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def show_status():
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"""显示当前数据状态"""
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cfg = {}
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config_file = "config.json"
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if os.path.exists(config_file):
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with open(config_file, encoding="utf-8") as f:
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cfg = json.load(f)
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print(f"[config] db_dir = {cfg.get('db_dir', '?')}")
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else:
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print("[config] 未找到 config.json")
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keys_files = sorted(glob.glob("all_keys*.json"))
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print(f"[keys] {len(keys_files)} 个密钥文件")
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for kf in keys_files:
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sz = os.path.getsize(kf) / 1024
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print(f" {kf} ({sz:.0f} KB)")
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decrypted_dir = cfg.get("decrypted_dir", "decrypted")
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if os.path.exists(decrypted_dir):
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dbs = glob.glob(os.path.join(decrypted_dir, "**/*.db"), recursive=True)
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total_mb = sum(os.path.getsize(f) for f in dbs) / 1024 / 1024
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print(f"[decrypt] {len(dbs)} 个数据库 ({total_mb:.0f} MB)")
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# 检查是否有消息内容（约略估计是否已导出）
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for db in dbs:
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if "message" in os.path.basename(db):
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sz = os.path.getsize(db) / 1024 / 1024
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print(f" 消息库: {len([d for d in dbs if 'message' in d])} 个 ({sz:.0f} MB)")
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break
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else:
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print("[decrypt] 未解密 (运行: python main.py decrypt)")
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exported_dir = "exported_chats"
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if os.path.exists(exported_dir):
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jsons = [f for f in glob.glob(os.path.join(exported_dir, "*.json"))
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if not f.endswith("_transcribed.json")]
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tx_jsons = glob.glob(os.path.join(exported_dir, "*_transcribed.json"))
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total_sz = sum(os.path.getsize(f) for f in jsons) / 1024 / 1024
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print(f"[export] {len(jsons)} 个 JSON ({total_sz:.0f} MB)")
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else:
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print("[export] 未导出 (运行: python main.py export)")
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if os.path.exists(exported_dir):
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total_voice = 0
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total_tx = 0
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for jp in glob.glob(os.path.join(exported_dir, "*_transcribed.json")):
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try:
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with open(jp, encoding="utf-8") as f:
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data = json.load(f)
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except Exception:
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continue
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if isinstance(data, dict) and "chats" in data:
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for chat in data["chats"]:
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for m in chat.get("messages", []):
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if m.get("type") == "voice":
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total_voice += 1
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if m.get("transcription"):
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total_tx += 1
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elif isinstance(data, dict):
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for m in data.get("messages", []):
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if m.get("type") == "voice":
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total_voice += 1
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if m.get("transcription"):
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total_tx += 1
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if total_voice > 0:
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pct = total_tx * 100 // max(total_voice, 1)
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print(f"[transcribe] {total_tx}/{total_voice} ({pct}%) 条语音已转录")
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# 建议的下一步
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print()
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steps = []
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if not os.path.exists(decrypted_dir):
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steps.append("python main.py decrypt — 解密数据库")
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elif not os.path.exists(exported_dir):
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steps.append("main.py export — 导出聊天记录")
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if steps:
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print("建议的下一步:")
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for s in steps:
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print(f" {s}")
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else:
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print("所有步骤已完成。")
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def print_usage():
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print("用法:")
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print(" python main.py 启动实时消息监听 (Web UI)")
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print(" python main.py decrypt 解密全部数据库到 decrypted/")
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print(" python main.py decode-images 批量解密 .dat 图片到 decoded_image_dir/")
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print(" python main.py decode-images --help 查看 decode-images 全部选项")
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print(" python main.py export 解密 + 批量导出聊天记录")
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print(" python main.py all 从零到完成：密钥 → 解密 → 导出")
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print(" python main.py status 显示当前状态和磁盘用量")
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def main():
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print("=" * 60)
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print(" WeChat Decrypt")
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print("=" * 60)
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print()
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cmd = sys.argv[1] if len(sys.argv) > 1 else "web"
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# help / status 不需要密钥和微信进程
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if cmd in ("help", "-h", "--help"):
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print_usage()
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return
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if cmd in ("status", "-s"):
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show_status()
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return
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# 以下命令需要配置 + 微信进程
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from config import load_config
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cfg = load_config()
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# 早路由:decode-images 不需要微信进程在运行,也不需要 DB 密钥
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if len(sys.argv) > 1 and sys.argv[1] == "decode-images":
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print("[*] 批量解密图片...")
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print()
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_run_decode_images(cfg, sys.argv[2:])
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return
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# 2. 检查微信进程
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if not check_wechat_running():
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print(f"[!] 未检测到微信进程 ({cfg.get('wechat_process', 'WeChat')})")
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print(" 请先启动微信并登录，然后重新运行")
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sys.exit(1)
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print("[+] 微信进程运行中")
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ensure_keys(cfg["keys_file"], cfg["db_dir"])
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if cmd == "decrypt":
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print("[*] 开始解密全部数据库...")
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print()
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from decrypt_db import main as decrypt_all
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decrypt_all()
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elif cmd in ("export", "all"):
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print("[*] 开始解密全部数据库...")
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print()
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from decrypt_db import main as decrypt_all
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decrypt_all()
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print()
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print("[*] 开始批量导出聊天记录...")
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print()
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from export_all_chats import main as export_all
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try:
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export_all()
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except SystemExit:
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pass
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if cmd == "all" and os.path.exists("exported_chats"):
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print()
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print("[*] 检查语音转录配置...")
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from config import load_config
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cfg2 = load_config()
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from mcp_server import _resolve_active_backend
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backend = _resolve_active_backend()
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if backend and backend != "local":
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print(f" 检测到 backend = {backend}")
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print(" 如需转录语音，运行: python export_all_chats.py --with-transcriptions")
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else:
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print(" 未配置语音转录 backend (config.json 中设置)")
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print(" 配置后运行: python export_all_chats.py --with-transcriptions")
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elif cmd == "web":
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print("[*] 启动 Web UI...")
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print()
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from monitor_web import main as start_web
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start_web()
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else:
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print(f"[!] 未知命令: {cmd}")
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print()
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print_usage()
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sys.exit(1)
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if __name__ == "__main__":
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main()
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