Files
2026-08-27 14:04:28 +08:00

431 lines
14 KiB
Python

"""
企业微信聊天记录导出工具
解密数据库 → 解析消息 → 导出 CSV
用法:
python wxwork_export.py --key <32位hex密钥> [--output <输出目录>] [--db-dir <数据库目录>]
"""
import argparse
import csv
import json
import os
import sqlite3
import struct
import sys
from datetime import datetime
from wxwork_crypto import (
decrypt_wxwork_database,
is_plain_sqlite_page,
is_wxsqlite3_aes128_page1,
verify_sqlite_file,
verify_wxsqlite3_aes128_key,
)
# 默认数据库目录
DEFAULT_DB_BASE = os.path.join(os.path.expanduser("~"), "Documents", "WXWork")
DEFAULT_OUTPUT = os.path.join(os.getcwd(), "wxwork_export")
def parse_content(content_blob):
"""尝试解析消息内容 BLOB, 返回可读文本"""
if content_blob is None:
return ""
# 尝试多种解析方式
if isinstance(content_blob, bytes):
# 方式1: UTF-8 文本
try:
text = content_blob.decode('utf-8')
if text and all(c.isprintable() or c in '\n\r\t' for c in text[:100]):
return text
except (UnicodeDecodeError, ValueError):
pass
# 方式2: JSON 编码
try:
obj = json.loads(content_blob.decode('utf-8'))
return json.dumps(obj, ensure_ascii=False)
except (UnicodeDecodeError, json.JSONDecodeError):
pass
# 方式3: 16进制 (二进制数据)
if len(content_blob) <= 256:
return content_blob.hex()
return f"[二进制数据 {len(content_blob)} 字节]"
return str(content_blob)
def format_timestamp(ts):
"""将 Unix 时间戳转为可读格式"""
if not ts:
return ""
try:
# 微信/企微时间戳为秒
ts = int(ts)
if ts > 10**12: # 毫秒
ts = ts // 1000
return datetime.fromtimestamp(ts).strftime("%Y-%m-%d %H:%M:%S")
except (ValueError, OSError, OverflowError):
return str(ts)
def get_message_type_name(msg_type):
"""消息类型映射"""
type_map = {
1: "文本",
3: "图片",
4: "语音",
5: "表情",
6: "链接",
7: "文件",
8: "视频",
9: "位置",
10: "名片",
13: "系统消息",
15: "引用",
18: "转账",
19: "红包",
20: "小程序",
21: "视频号",
22: "合并转发",
24: "文件回复",
27: "接龙",
28: "日程",
29: "收集表",
30: "会议",
34: "卡券",
42: "文件预览",
46: "话题",
47: "图文",
49: "待办",
51: "收藏",
53: "订阅通知",
55: "文件分享",
56: "群公告",
57: "投票",
59: "回执",
61: "文件编辑",
62: "文件评论",
63: "收藏合并",
64: "卡片",
65: "群文件",
66: "工作台",
67: "位置共享",
68: "视频通话",
69: "音频通话",
70: "企业微信应用",
73: "微信好友",
74: "回复",
76: "邀请",
77: "移除",
78: "修改群名",
79: "修改群公告",
80: "加入群聊",
81: "退出群聊",
82: "解散群聊",
83: "群主转让",
}
return type_map.get(msg_type, f"类型{msg_type}")
def decrypt_all_databases(db_base, out_dir, raw_key):
"""解密所有用户目录下的数据库"""
decrypted_dbs = []
os.makedirs(out_dir, exist_ok=True)
# 扫描所有用户目录
if not os.path.isdir(db_base):
print(f"[-] 数据库目录不存在: {db_base}")
return decrypted_dbs
for user_dir in sorted(os.listdir(db_base)):
data_dir = os.path.join(db_base, user_dir, "Data")
if not os.path.isdir(data_dir):
continue
db_files = [f for f in os.listdir(data_dir) if f.endswith(".db")]
if not db_files:
continue
user_out = os.path.join(out_dir, user_dir)
print(f"\n[+] 处理用户目录: {user_dir}")
print(f" 数据库文件: {len(db_files)} 个")
for db_name in sorted(db_files):
db_path = os.path.join(data_dir, db_name)
out_path = os.path.join(user_out, db_name)
with open(db_path, "rb") as f:
page1 = f.read(4096)
if is_plain_sqlite_page(page1):
# 未加密, 直接复制
os.makedirs(os.path.dirname(out_path), exist_ok=True)
with open(db_path, "rb") as fin, open(out_path, "wb") as fout:
fout.write(fin.read())
print(f" 复制: {db_name} (未加密)")
decrypted_dbs.append((out_path, db_name, user_dir))
continue
if not is_wxsqlite3_aes128_page1(page1):
print(f" 跳过: {db_name} (未知加密格式)")
continue
if not verify_wxsqlite3_aes128_key(raw_key, page1):
print(f" 失败: {db_name} (密钥验证失败)")
continue
try:
decrypt_wxwork_database(db_path, out_path, raw_key)
tables = verify_sqlite_file(out_path)
print(f" 解密: {db_name} (表: {', '.join(tables[:6]) or '无'})")
decrypted_dbs.append((out_path, db_name, user_dir))
except Exception as e:
print(f" 失败: {db_name} ({e})")
return decrypted_dbs
def export_messages_to_csv(decrypted_dbs, out_dir):
"""从解密后的数据库中提取消息并导出 CSV"""
os.makedirs(out_dir, exist_ok=True)
# 收集所有消息
all_messages = []
# 用户信息缓存: user_id -> nick_name/remark
user_cache = {}
# 群信息缓存: group_id -> group_name
group_cache = {}
# 会话信息缓存: sid -> session_name
session_cache = {}
# 遍历所有解密数据库
for db_path, db_name, user_dir in decrypted_dbs:
try:
conn = sqlite3.connect(db_path)
cursor = conn.cursor()
# 读取 userinfo 表
if db_name in ("user.db", "im.db"):
try:
cursor.execute("SELECT user_id, nick_name, remark FROM userinfo")
for user_id, nick, remark in cursor.fetchall():
if user_id:
user_cache[user_id] = remark or nick or user_id
except sqlite3.Error:
pass
# 读取 groupinfo 表
if db_name in ("session.db", "im.db"):
try:
cursor.execute("SELECT group_id, group_name FROM groupinfo")
for gid, gname in cursor.fetchall():
if gid:
group_cache[gid] = gname or gid
except sqlite3.Error:
pass
# 读取 session 表
if db_name in ("session.db", "im.db"):
try:
cursor.execute(
"SELECT sid, type, group_name, active_time FROM session")
for sid, stype, gname, atime in cursor.fetchall():
if sid:
if gname:
session_cache[sid] = gname
else:
session_cache[sid] = sid
except sqlite3.Error:
pass
conn.close()
except sqlite3.Error as e:
print(f" [警告] 读取元数据失败 {db_path}: {e}")
# 主循环: 从 message.db / msg_*.db 导出消息
for db_path, db_name, user_dir in decrypted_dbs:
# 只处理消息数据库
if not (db_name.startswith("message") or db_name.startswith("msg")):
continue
try:
conn = sqlite3.connect(db_path)
cursor = conn.cursor()
# 检查 message 表是否存在
cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='message'")
if not cursor.fetchone():
continue
# 读取 message 表结构
cursor.execute("PRAGMA table_info(message)")
columns = [row[1] for row in cursor.fetchall()]
print(f"\n[+] 导出消息: {user_dir}/{db_name}")
print(f" 字段: {', '.join(columns)}")
# 查询所有消息
cursor.execute("SELECT * FROM message ORDER BY time ASC")
rows = cursor.fetchall()
print(f" 共 {len(rows)} 条消息")
for row in rows:
msg_dict = dict(zip(columns, row))
msg_id = msg_dict.get("id", "")
sid = msg_dict.get("sid", "")
msg_type = msg_dict.get("type", "")
ts = msg_dict.get("time") or msg_dict.get("client_time") or 0
is_self = msg_dict.get("is_self", 0)
sender = msg_dict.get("sender", "")
content = parse_content(msg_dict.get("content"))
element_desc = msg_dict.get("element_descriptions", "") or ""
seq = msg_dict.get("seq", "")
status = msg_dict.get("status", "")
# 获取会话名称
session_name = session_cache.get(sid, sid or "未知会话")
# 获取发送者名称
sender_name = ""
if sender:
sender_name = user_cache.get(sender, sender)
if sender == "" and not is_self:
sender_name = "其他"
# 拼接消息内容
full_content = content
if element_desc and element_desc not in content:
full_content = f"{content} | {element_desc}"
# 确定方向
direction = "发送" if is_self else "接收"
all_messages.append({
"会话ID": sid,
"会话名称": session_name,
"时间": format_timestamp(ts),
"方向": direction,
"发送者ID": sender,
"发送者": sender_name,
"消息类型": get_message_type_name(msg_type),
"内容": full_content,
"消息序号": seq,
"状态": status,
"数据库": f"{user_dir}/{db_name}",
})
conn.close()
except sqlite3.Error as e:
print(f" [警告] 导出消息失败 {db_path}: {e}")
if not all_messages:
print("\n[-] 未找到任何消息数据")
return
# 按时间排序
all_messages.sort(key=lambda m: m["时间"])
# 导出主 CSV
csv_path = os.path.join(out_dir, "企业微信聊天记录.csv")
fieldnames = ["会话ID", "会话名称", "时间", "方向", "发送者ID",
"发送者", "消息类型", "内容", "消息序号", "状态", "数据库"]
with open(csv_path, "w", newline="", encoding="utf-8-sig") as f:
writer = csv.DictWriter(f, fieldnames=fieldnames)
writer.writeheader()
writer.writerows(all_messages)
print(f"\n[+] 导出完成!")
print(f" 总消息数: {len(all_messages)}")
print(f" 输出文件: {csv_path}")
# 导出按会话汇总
session_stats = {}
for m in all_messages:
key = m["会话名称"]
if key not in session_stats:
session_stats[key] = {"会话ID": m["会话ID"], "消息数": 0, "最后时间": ""}
session_stats[key]["消息数"] += 1
if m["时间"] > session_stats[key]["最后时间"]:
session_stats[key]["最后时间"] = m["时间"]
summary_path = os.path.join(out_dir, "会话汇总.csv")
with open(summary_path, "w", newline="", encoding="utf-8-sig") as f:
writer = csv.writer(f)
writer.writerow(["会话名称", "会话ID", "消息数", "最后消息时间"])
for name, info in sorted(session_stats.items(), key=lambda x: -x[1]["消息数"]):
writer.writerow([name, info["会话ID"], info["消息数"], info["最后时间"]])
print(f" 会话汇总: {summary_path}")
print(f" 共 {len(session_stats)} 个会话")
return csv_path
def main():
parser = argparse.ArgumentParser(description="企业微信聊天记录导出工具")
parser.add_argument("--key", help="16字节密钥 (32位hex)")
parser.add_argument("--output", default=DEFAULT_OUTPUT, help="输出目录")
parser.add_argument("--db-dir", default=DEFAULT_DB_BASE, help="企业微信数据库根目录")
args = parser.parse_args()
print("=" * 60)
print(" 企业微信聊天记录导出工具")
print("=" * 60)
# 获取密钥
raw_key = None
if args.key:
raw_key = bytes.fromhex(args.key.replace("x'", "").replace("'", ""))
if len(raw_key) != 16:
print("[-] 密钥必须是 32 位 hex 字符 (16字节)")
return 1
print(f"[+] 使用手动提供的密钥: {raw_key.hex()}")
else:
# 尝试从密钥文件加载
keys_file = os.path.join(os.getcwd(), "wxwork_keys.json")
if os.path.exists(keys_file):
with open(keys_file) as f:
keys_data = json.load(f)
if "global_key" in keys_data:
raw_key = bytes.fromhex(keys_data["global_key"])
print(f"[+] 从密钥文件加载密钥: {raw_key.hex()}")
elif "enc_key" in keys_data:
raw_key = bytes.fromhex(keys_data["enc_key"])
print(f"[+] 从密钥文件加载密钥: {raw_key.hex()}")
if raw_key is None:
print("[-] 未提供密钥!")
print(" 请先运行密钥提取, 或使用 --key 参数传入密钥")
print()
print(" 提取密钥方法:")
print(" 1. 启动并登录企业微信")
print(" 2. 运行: python wxwork_find_key.py")
print(" 3. 将提取的密钥传入本工具: python wxwork_export.py --key <密钥>")
return 1
# 解密所有数据库
print(f"\n[*] 扫描数据库目录: {args.db_dir}")
decrypted_dbs = decrypt_all_databases(args.db_dir, os.path.join(args.output, "decrypted"), raw_key)
if not decrypted_dbs:
print("[-] 没有成功解密的数据库")
return 1
# 导出消息
print(f"\n[*] 开始导出聊天记录...")
csv_path = export_messages_to_csv(decrypted_dbs, args.output)
if csv_path:
print(f"\n[+] 导出完成! 文件位置: {csv_path}")
return 0
if __name__ == "__main__":
sys.exit(main())