469 lines
19 KiB
Python
469 lines
19 KiB
Python
# -*- coding: utf-8 -*-#
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# -------------------------------------------------------------------------------
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# Name: merge_db.py
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# Description:
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# Author: xaoyaoo
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# Date: 2023/12/03
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# -------------------------------------------------------------------------------
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import logging
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import os
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import random
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import shutil
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import sqlite3
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import subprocess
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import time
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from typing import List
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def merge_copy_db(db_path, save_path):
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logging.warning("merge_copy_db is deprecated, use merge_db instead, will be removed in the future.")
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if isinstance(db_path, list) and len(db_path) == 1:
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db_path = db_path[0]
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if not os.path.exists(db_path):
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raise FileNotFoundError("目录不存在")
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shutil.move(db_path, save_path)
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# 合并相同名称的数据库 MSG0-MSG9.db
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def merge_msg_db(db_path: list, save_path: str, CreateTime: int = 0): # CreateTime: 从这个时间开始的消息 10位时间戳
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logging.warning("merge_msg_db is deprecated, use merge_db instead, will be removed in the future.")
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# 判断save_path是否为文件夹
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if os.path.isdir(save_path):
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save_path = os.path.join(save_path, "merge_MSG.db")
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merged_conn = sqlite3.connect(save_path)
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merged_cursor = merged_conn.cursor()
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for db_file in db_path:
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c_tabels = merged_cursor.execute(
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"select tbl_name from sqlite_master where type='table' and tbl_name!='sqlite_sequence'")
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tabels_all = c_tabels.fetchall() # 所有表名
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tabels_all = [row[0] for row in tabels_all]
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conn = sqlite3.connect(db_file)
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cursor = conn.cursor()
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# 创建表
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if len(tabels_all) < 4:
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cursor.execute(
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"select tbl_name,sql from sqlite_master where type='table' and tbl_name!='sqlite_sequence'")
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c_part = cursor.fetchall()
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for tbl_name, sql in c_part:
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if tbl_name in tabels_all:
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continue
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try:
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merged_cursor.execute(sql)
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tabels_all.append(tbl_name)
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except Exception as e:
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print(f"error: {db_file}\n{tbl_name}\n{sql}\n{e}\n**********")
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raise e
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merged_conn.commit()
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# 写入数据
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for tbl_name in tabels_all:
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if tbl_name == "MSG":
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MsgSvrIDs = merged_cursor.execute(
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f"select MsgSvrID from MSG where CreateTime>{CreateTime} and MsgSvrID!=0").fetchall()
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cursor.execute(f"PRAGMA table_info({tbl_name})")
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columns = cursor.fetchall()
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columns = [column[1] for column in columns[1:]]
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ex_sql = f"select {','.join(columns)} from {tbl_name} where CreateTime>{CreateTime} and MsgSvrID not in ({','.join([str(MsgSvrID[0]) for MsgSvrID in MsgSvrIDs])})"
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cursor.execute(ex_sql)
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insert_sql = f"INSERT INTO {tbl_name} ({','.join(columns)}) VALUES ({','.join(['?' for _ in range(len(columns))])})"
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try:
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merged_cursor.executemany(insert_sql, cursor.fetchall())
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except Exception as e:
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print(
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f"error: {db_file}\n{tbl_name}\n{insert_sql}\n{cursor.fetchall()}\n{len(cursor.fetchall())}\n{e}\n**********")
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raise e
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merged_conn.commit()
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else:
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ex_sql = f"select * from {tbl_name}"
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cursor.execute(ex_sql)
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for r in cursor.fetchall():
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cursor.execute(f"PRAGMA table_info({tbl_name})")
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columns = cursor.fetchall()
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if len(columns) > 1:
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columns = [column[1] for column in columns[1:]]
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values = r[1:]
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else:
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columns = [columns[0][1]]
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values = [r[0]]
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query_1 = "select * from " + tbl_name + " where " + columns[0] + "=?" # 查询语句 用于判断是否存在
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c2 = merged_cursor.execute(query_1, values)
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if len(c2.fetchall()) > 0: # 已存在
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continue
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query = "INSERT INTO " + tbl_name + " (" + ",".join(columns) + ") VALUES (" + ",".join(
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["?" for _ in range(len(values))]) + ")"
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try:
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merged_cursor.execute(query, values)
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except Exception as e:
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print(f"error: {db_file}\n{tbl_name}\n{query}\n{values}\n{len(values)}\n{e}\n**********")
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raise e
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merged_conn.commit()
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conn.close()
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sql = '''delete from MSG where localId in (SELECT localId from MSG
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where MsgSvrID != 0 and MsgSvrID in (select MsgSvrID from MSG
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where MsgSvrID != 0 GROUP BY MsgSvrID HAVING COUNT(*) > 1)
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and localId not in (select min(localId) from MSG
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where MsgSvrID != 0 GROUP BY MsgSvrID HAVING COUNT(*) > 1))'''
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c = merged_cursor.execute(sql)
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merged_conn.commit()
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merged_conn.close()
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return save_path
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def merge_media_msg_db(db_path: list, save_path: str):
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logging.warning("merge_media_msg_db is deprecated, use merge_db instead, will be removed in the future.")
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# 判断save_path是否为文件夹
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if os.path.isdir(save_path):
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save_path = os.path.join(save_path, "merge_Media.db")
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merged_conn = sqlite3.connect(save_path)
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merged_cursor = merged_conn.cursor()
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for db_file in db_path:
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s = "select tbl_name,sql from sqlite_master where type='table' and tbl_name!='sqlite_sequence'"
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have_tables = merged_cursor.execute(s).fetchall()
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have_tables = [row[0] for row in have_tables]
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conn_part = sqlite3.connect(db_file)
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cursor = conn_part.cursor()
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if len(have_tables) < 1:
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cursor.execute(s)
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table_part = cursor.fetchall()
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tblname, sql = table_part[0]
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sql = "CREATE TABLE Media(localId INTEGER PRIMARY KEY AUTOINCREMENT,Key TEXT,Reserved0 INT,Buf BLOB,Reserved1 INT,Reserved2 TEXT)"
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try:
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merged_cursor.execute(sql)
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have_tables.append(tblname)
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except Exception as e:
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print(f"error: {db_file}\n{tblname}\n{sql}\n{e}\n**********")
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raise e
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merged_conn.commit()
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for tblname in have_tables:
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s = "select Reserved0 from " + tblname
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merged_cursor.execute(s)
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r0 = merged_cursor.fetchall()
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ex_sql = f"select `Key`,Reserved0,Buf,Reserved1,Reserved2 from {tblname} where Reserved0 not in ({','.join([str(r[0]) for r in r0])})"
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cursor.execute(ex_sql)
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data = cursor.fetchall()
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insert_sql = f"INSERT INTO {tblname} (Key,Reserved0,Buf,Reserved1,Reserved2) VALUES ({','.join(['?' for _ in range(5)])})"
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try:
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merged_cursor.executemany(insert_sql, data)
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except Exception as e:
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print(f"error: {db_file}\n{tblname}\n{insert_sql}\n{data}\n{len(data)}\n{e}\n**********")
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raise e
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merged_conn.commit()
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conn_part.close()
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merged_conn.close()
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return save_path
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def execute_sql(connection, sql, params=None):
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"""
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执行给定的SQL语句，返回结果。
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参数：
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- connection： SQLite连接
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- sql：要执行的SQL语句
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- params：SQL语句中的参数
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"""
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try:
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# connection.text_factory = bytes
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cursor = connection.cursor()
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if params:
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cursor.execute(sql, params)
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else:
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cursor.execute(sql)
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return cursor.fetchall()
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except Exception as e:
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try:
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connection.text_factory = bytes
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cursor = connection.cursor()
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if params:
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cursor.execute(sql, params)
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else:
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cursor.execute(sql)
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rdata = cursor.fetchall()
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connection.text_factory = str
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return rdata
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except Exception as e:
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logging.error(f"**********\nSQL: {sql}\nparams: {params}\n{e}\n**********", exc_info=True)
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return None
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def merge_db(db_paths, save_path="merge.db", startCreateTime: int = 0, endCreateTime: int = 0):
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"""
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合并数据库 会忽略主键以及重复的行。
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:param db_paths:
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:param save_path:
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:param CreateTime:
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:return:
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"""
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if os.path.isdir(save_path):
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save_path = os.path.join(save_path, f"merge_{int(time.time())}.db")
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_db_paths = []
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if isinstance(db_paths, str):
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if os.path.isdir(db_paths):
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_db_paths = [os.path.join(db_paths, i) for i in os.listdir(db_paths) if i.endswith(".db")]
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elif os.path.isfile(db_paths):
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_db_paths = [db_paths]
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else:
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raise FileNotFoundError("db_paths 不存在")
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if isinstance(db_paths, list):
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# alias, file_path
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databases = {f"MSG{i}": db_path for i, db_path in enumerate(db_paths)}
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else:
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raise TypeError("db_paths 类型错误")
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outdb = sqlite3.connect(save_path)
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out_cursor = outdb.cursor()
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# 检查是否存在表 sync_log,用于记录同步记录，包括微信数据库路径，表名，记录数，同步时间
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sync_log_status = execute_sql(outdb, "SELECT name FROM sqlite_master WHERE type='table' AND name='sync_log'")
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if len(sync_log_status) < 1:
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# db_path 微信数据库路径，tbl_name 表名，src_count 源数据库记录数，current_count 当前合并后的数据库对应表记录数
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sync_record_create_sql = ("CREATE TABLE sync_log ("
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"id INTEGER PRIMARY KEY AUTOINCREMENT,"
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"db_path TEXT NOT NULL,"
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"tbl_name TEXT NOT NULL,"
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"src_count INT,"
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"current_count INT,"
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"createTime INT DEFAULT (strftime('%s', 'now')), "
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"updateTime INT DEFAULT (strftime('%s', 'now'))"
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");")
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out_cursor.execute(sync_record_create_sql)
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# 创建索引
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out_cursor.execute("CREATE INDEX idx_sync_log_db_path ON sync_log (db_path);")
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out_cursor.execute("CREATE INDEX idx_sync_log_tbl_name ON sync_log (tbl_name);")
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# 创建联合索引，防止重复
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out_cursor.execute("CREATE UNIQUE INDEX idx_sync_log_db_tbl ON sync_log (db_path, tbl_name);")
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outdb.commit()
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# 将MSG_db_paths中的数据合并到out_db_path中
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for alias, path in databases.items():
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# 附加数据库
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sql_attach = f"ATTACH DATABASE '{path}' AS {alias}"
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out_cursor.execute(sql_attach)
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outdb.commit()
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sql_query_tbl_name = f"SELECT name FROM {alias}.sqlite_master WHERE type='table' ORDER BY name;"
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tables = execute_sql(outdb, sql_query_tbl_name)
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for table in tables:
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table = table[0]
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if table == "sqlite_sequence":
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continue
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# 获取表中的字段名
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sql_query_columns = f"PRAGMA table_info({table})"
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columns = execute_sql(outdb, sql_query_columns)
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col_type = {
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(i[1] if isinstance(i[1], str) else i[1].decode(),
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i[2] if isinstance(i[2], str) else i[2].decode())
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for i in columns}
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columns = [i[0] for i in col_type]
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if not columns or len(columns) < 1:
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continue
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# 创建表table
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sql_create_tbl = f"CREATE TABLE IF NOT EXISTS {table} AS SELECT * FROM {alias}.{table} WHERE 0 = 1;"
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out_cursor.execute(sql_create_tbl)
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# 创建包含 NULL 值比较的 UNIQUE 索引
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index_name = f"{table}_unique_index"
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coalesce_columns = ','.join(f"COALESCE({column}, '')" for column in columns)
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sql = f"CREATE UNIQUE INDEX IF NOT EXISTS {index_name} ON {table} ({coalesce_columns})"
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out_cursor.execute(sql)
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# 插入sync_log
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sql_query_sync_log = f"SELECT * FROM sync_log WHERE db_path=? AND tbl_name=?"
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sync_log = execute_sql(outdb, sql_query_sync_log, (path, table))
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if not sync_log or len(sync_log) < 1:
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sql_insert_sync_log = "INSERT INTO sync_log (db_path, tbl_name, src_count, current_count) VALUES (?, ?, ?, ?)"
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out_cursor.execute(sql_insert_sync_log, (path, table, 0, 0))
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outdb.commit()
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# 比较源数据库和合并后的数据库记录数
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log_src_count = execute_sql(outdb, sql_query_sync_log, (path, table))[0][3]
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src_count = execute_sql(outdb, f"SELECT COUNT(*) FROM {alias}.{table}")[0][0]
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if src_count <= log_src_count:
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continue
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sql_base = f"SELECT {','.join([i for i in columns])} FROM {alias}.{table} "
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# 构建WHERE子句
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where_clauses, params = [], []
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if "CreateTime" in columns:
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if startCreateTime > 0:
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where_clauses.append("CreateTime > ?")
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params.append(startCreateTime)
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if endCreateTime > 0:
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where_clauses.append("CreateTime < ?")
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params.append(endCreateTime)
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# 如果有WHERE子句，将其添加到SQL语句中，并添加ORDER BY子句
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sql = f"{sql_base} WHERE {' AND '.join(where_clauses)} ORDER BY CreateTime" if where_clauses else sql_base
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src_data = execute_sql(outdb, sql, tuple(params))
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if not src_data or len(src_data) < 1:
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continue
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# 插入数据
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sql = f"INSERT OR IGNORE INTO {table} ({','.join([i for i in columns])}) VALUES ({','.join(['?'] * len(columns))})"
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try:
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out_cursor.executemany(sql, src_data)
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except Exception as e:
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logging.error(f"error: {path}\n{table}\n{sql}\n{src_data}\n{len(src_data)}\n{e}\n", exc_info=True)
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# 分离数据库
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sql_detach = f"DETACH DATABASE {alias}"
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out_cursor.execute(sql_detach)
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outdb.commit()
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outdb.close()
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return save_path
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def decrypt_merge(wx_path, key, outpath="", CreateTime: int = 0, endCreateTime: int = 0, db_type: List[str] = []) -> (
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bool, str):
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"""
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解密合并数据库 msg.db, microMsg.db, media.db,注意：会删除原数据库
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:param wx_path: 微信路径 eg: C:\\*******\\WeChat Files\\wxid_*********
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:param key: 解密密钥
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:return: (true,解密后的数据库路径) or (false,错误信息)
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"""
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from .decryption import batch_decrypt
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from .get_wx_info import get_core_db
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outpath = outpath if outpath else "decrypt_merge_tmp"
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merge_save_path = os.path.join(outpath, "merge_all.db")
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decrypted_path = os.path.join(outpath, "decrypted")
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if not wx_path or not key:
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return False, "参数错误"
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# 分割wx_path的文件名和父目录
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msg_dir = os.path.dirname(wx_path)
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my_wxid = os.path.basename(wx_path)
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db_type_set: set[str] = {"MSG", "MediaMSG", "MicroMsg", "OpenIMContact", "OpenIMMedia", "OpenIMMsg", "Favorite",
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"PublicMsg"}
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if len(db_type) == 0:
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db_type = list(db_type_set)
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else:
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for i in db_type:
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if i not in db_type_set:
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return False, f"db_type参数错误, 可用选项 {db_type_set}"
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# 解密
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code, wxdbpaths = get_core_db(wx_path, db_type)
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if not code:
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return False, wxdbpaths
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# 判断out_path是否为空目录
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if os.path.exists(decrypted_path) and os.listdir(decrypted_path):
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for root, dirs, files in os.walk(decrypted_path, topdown=False):
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for name in files:
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os.remove(os.path.join(root, name))
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for name in dirs:
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os.rmdir(os.path.join(root, name))
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if not os.path.exists(decrypted_path):
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os.makedirs(decrypted_path)
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# 调用 decrypt 函数，并传入参数 # 解密
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code, ret = batch_decrypt(key, wxdbpaths, decrypted_path, False)
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if not code:
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return False, ret
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out_dbs = []
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for code1, ret1 in ret:
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if code1:
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out_dbs.append(ret1[1])
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parpare_merge_db_path = []
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for i in out_dbs:
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for j in db_type:
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if j in i:
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parpare_merge_db_path.append(i)
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break
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de_db_type = [f"de_{i}" for i in db_type]
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parpare_merge_db_path = [i for i in out_dbs if any(keyword in i for keyword in de_db_type)]
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merge_save_path = merge_db(parpare_merge_db_path, merge_save_path, startCreateTime=CreateTime,
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endCreateTime=endCreateTime)
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return True, merge_save_path
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def merge_real_time_db(key, merge_path: str, db_paths: [str] or str):
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"""
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合并实时数据库消息,暂时只支持64位系统
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:param key: 解密密钥
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:param db_paths: 数据库路径
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:param merge_path: 合并后的数据库路径
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:return:
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"""
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try:
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import platform
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except:
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raise ImportError("未找到模块 platform")
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# 判断系统位数是否为64位，如果不是则抛出异常
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if platform.architecture()[0] != '64bit':
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raise Exception("System is not 64-bit.")
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if isinstance(db_paths, str):
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db_paths = [db_paths]
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endbs = []
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for db_path in db_paths:
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if not os.path.exists(db_path):
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# raise FileNotFoundError("数据库不存在")
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continue
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if "MSG" not in db_path and "MicroMsg" not in db_path and "MediaMSG" not in db_path:
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# raise FileNotFoundError("数据库不是消息数据库") # MicroMsg实时数据库
|
||
continue
|
||
endbs.append(db_path)
|
||
endbs = '" "'.join(list(set(endbs)))
|
||
|
||
merge_path_base = os.path.dirname(merge_path) # 合并后的数据库路径
|
||
|
||
# 获取当前文件夹路径
|
||
current_path = os.path.dirname(__file__)
|
||
real_time_exe_path = os.path.join(current_path, "tools", "realTime.exe")
|
||
|
||
# 调用cmd命令
|
||
cmd = f'{real_time_exe_path} "{key}" "{merge_path}" "{endbs}"'
|
||
# os.system(cmd)
|
||
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=merge_path_base,
|
||
creationflags=subprocess.CREATE_NO_WINDOW)
|
||
p.communicate()
|
||
return True, merge_path
|
||
|
||
|
||
def all_merge_real_time_db(key, wx_path, merge_path):
|
||
"""
|
||
合并所有实时数据库
|
||
注：这是全量合并，会有可能产生重复数据，需要自行去重
|
||
:param key: 解密密钥
|
||
:param wx_path: 微信路径
|
||
:param merge_path: 合并后的数据库路径 eg: C:\\*******\\WeChat Files\\wxid_*********\\merge.db
|
||
:return:
|
||
"""
|
||
if not merge_path or not key or not wx_path or not wx_path:
|
||
return False, "msg_path or media_path or wx_path or key is required"
|
||
try:
|
||
from pywxdump import get_core_db
|
||
except ImportError:
|
||
return False, "未找到模块 pywxdump"
|
||
|
||
db_paths = get_core_db(wx_path, ["MediaMSG", "MSG", "MicroMsg"])
|
||
if not db_paths[0]:
|
||
return False, db_paths[1]
|
||
db_paths = db_paths[1]
|
||
merge_real_time_db(key=key, merge_path=merge_path, db_paths=db_paths)
|
||
return True, merge_path
|