示例#1
0
        /// <summary>
        /// 解密安卓微信数据库,获取bak数据并保存到数据库
        /// </summary>
        /// <param name="sqliteFile">要解密的数据库文件全路径</param>
        /// <param name="deleteDataDbFile">bak数据保存数据库文件全路径</param>
        /// <returns>解密后数据库文件全路径</returns>
        public static string DecryptAndroidWeChatSqliteGetDelete(string sqliteFile, ref string deleteDataDbFile)
        {
            IntPtr wxHandle   = IntPtr.Zero;
            string resultFile = string.Empty;

            try
            {
                // 打开数据库文件,获得文件句柄
                wxHandle = WXDeCryptedCoreDll.WXOpen(sqliteFile);
                if (IntPtr.Zero == wxHandle)
                {
                    LoggerManagerSingle.Instance.Error("解密安卓微信数据库时打开数据库文件失败! 解密文件:" + sqliteFile);
                    return(string.Empty);
                }

                // 解密后文件路径
                var fi = new FileInfo(sqliteFile);
                resultFile = Path.Combine(fi.DirectoryName, string.Format("Decrypt_{0}", fi.Name));

                //创建数据库存储数据
                var saveDbPath = sqliteFile + ".data.db";
                FileHelper.DeleteFileSafe(saveDbPath);

                var saveDb = new SqliteContext(saveDbPath);
                saveDb.ExecuteNonQuery("CREATE TABLE WxbakMsgdata (\"type\"  TEXT,\"isSend\"  TEXT, \"utctime\"  TEXT, \"wxid\"  TEXT,\"pmsg\"  BLOB);");
                saveDb.ExecuteNonQuery("CREATE INDEX wxidIndex ON WxbakMsgdata(wxid);");

                saveDb.UsingSafeTransaction(c =>
                {
                    //数据库解密
                    var result = WXDeCryptedCoreDll.WXDeCryptedDBToFileBakdata(wxHandle, resultFile, pHandel =>
                    {
                        WxbakMsgdata data = (WxbakMsgdata)Marshal.PtrToStructure(pHandel, typeof(WxbakMsgdata));
                        var sb            = new StringBuilder();

                        sb.Append("INSERT INTO WxbakMsgdata VALUES (");
                        sb.AppendFormat("'{0}',", data.type);
                        sb.AppendFormat("'{0}',", data.isSend);
                        sb.AppendFormat("'{0}',", data.utctime);
                        sb.AppendFormat("'{0}',", GetString(data.wxid, data.wxidByteLen));
                        sb.AppendFormat("@msgdata)");

                        c.CommandText = sb.ToString();
                        c.CommandType = CommandType.Text;
                        c.Parameters.Clear();
                        c.Parameters.Add(new System.Data.SQLite.SQLiteParameter("msgdata", GetByteArr(data.pmsg, data.msgbytelen))
                        {
                            DbType = DbType.Binary
                        });
                        c.ExecuteNonQuery();

                        return(0);
                    });

                    if (0 != result || !File.Exists(resultFile))
                    {
                        LoggerManagerSingle.Instance.Error(string.Format("解密安卓微信数据库时打开数据库文件失败! 解密文件:{0} 错误码:{1}", sqliteFile, result));
                    }
                });
            }
            catch (Exception ex)
            {
                LoggerManagerSingle.Instance.Error(ex, "解密安卓微信数据库时出现异常! 解密文件:" + sqliteFile);
            }
            finally
            {
                if (IntPtr.Zero != wxHandle)
                {
                    WXDeCryptedCoreDll.CloseHanle(ref wxHandle);
                }
            }

            return(resultFile);
        }