fix: correct x-client-role header

feat(server): unify websocket client connect
feat(server): use nhooyr.io/websocket
2025-07-04 13:23:25 +00:00 · 2021-10-13 22:51:51 +08:00 · 2021-10-07 22:24:45 +08:00 · 2021-10-07 21:40:20 +08:00
22 changed files with 415 additions and 2031 deletions
--- a/.golangci.yml
+++ b/.golangci.yml
@ -78,9 +78,7 @@ run:
  # concurrency: 4 # explicitly omit this value to fully utilize available resources.
  deadline: 5m
  issues-exit-code: 1
-  skip-dirs:
-    - db
-  tests: true
+  tests: false

 # output configuration options
 output:
@ -94,4 +92,4 @@ issues:
  fix: true
  exclude-use-default: false
  exclude:
-    - "Error return value of .((os.)?std(out|err)..*|.*Close|.*Seek|.*Flush|os.Remove(All)?|.*print(f|ln)?|os.(Un)?Setenv). is not check"
+    - "Error return value of .((os.)?std(out|err)..*|.*Close|.*Flush|os.Remove(All)?|.*print(f|ln)?|os.(Un)?Setenv). is not check"
--- a/coolq/api.go
+++ b/coolq/api.go
@ -14,9 +14,6 @@ import (
 	"strings"
 	"time"

-	"github.com/Mrs4s/go-cqhttp/db"
-	"github.com/Mrs4s/go-cqhttp/internal/cache"
-
 	"github.com/Mrs4s/MiraiGo/binary"
 	"github.com/Mrs4s/MiraiGo/client"
 	"github.com/Mrs4s/MiraiGo/message"
@ -465,19 +462,20 @@ func (bot *CQBot) CQSendGroupForwardMessage(groupID int64, m gjson.Result) globa
 		ts.Add(time.Second)
 		if e.Get("data.id").Exists() {
 			i := e.Get("data.id").Int()
-			m, _ := bot.db.GetGroupMessageByGlobalID(int32(i))
+			m := bot.GetMessage(int32(i))
 			if m != nil {
+				sender := m["sender"].(message.Sender)
 				return &message.ForwardNode{
-					SenderId:   m.Attribute.SenderUin,
-					SenderName: m.Attribute.SenderName,
+					SenderId:   sender.Uin,
+					SenderName: (&sender).DisplayName(),
 					Time: func() int32 {
-						msgTime := m.Attribute.Timestamp
+						msgTime := m["time"].(int32)
 						if hasCustom && msgTime == 0 {
 							return int32(ts.Unix())
 						}
-						return int32(msgTime)
+						return msgTime
 					}(),
-					Message: resolveElement(bot.ConvertContentMessage(m.Content, true)),
+					Message: resolveElement(bot.ConvertStringMessage(m["message"].(string), true)),
 				}
 			}
 			log.Warnf("警告: 引用消息 %v 错误或数据库未开启.", e.Get("data.id").Str)
@ -781,28 +779,29 @@ func (bot *CQBot) CQProcessGroupRequest(flag, subType, reason string, approve bo
 //
 // https:// git.io/Jtz1y
 func (bot *CQBot) CQDeleteMessage(messageID int32) global.MSG {
-	msg, err := bot.db.GetMessageByGlobalID(messageID)
-	if err != nil {
-		log.Warnf("撤回消息时出现错误: %v", err)
+	msg := bot.GetMessage(messageID)
+	if msg == nil {
 		return Failed(100, "MESSAGE_NOT_FOUND", "消息不存在")
 	}
-	switch o := msg.(type) {
-	case *db.StoredGroupMessage:
-		if err = bot.Client.RecallGroupMessage(o.GroupCode, o.Attribute.MessageSeq, o.Attribute.InternalID); err != nil {
+	if _, ok := msg["group"]; ok {
+		if msg["internal-id"] == nil {
+			// TODO 撤回临时对话消息
+			log.Warnf("撤回 %v 失败: 无法撤回临时对话消息", messageID)
+			return Failed(100, "CANNOT_RECALL_TEMP_MSG", "无法撤回临时对话消息")
+		}
+		if err := bot.Client.RecallGroupMessage(msg["group"].(int64), msg["message-id"].(int32), msg["internal-id"].(int32)); err != nil {
 			log.Warnf("撤回 %v 失败: %v", messageID, err)
 			return Failed(100, "RECALL_API_ERROR", err.Error())
 		}
-	case *db.StoredPrivateMessage:
-		if o.Attribute.SenderUin != bot.Client.Uin {
+	} else {
+		if msg["sender"].(message.Sender).Uin != bot.Client.Uin {
 			log.Warnf("撤回 %v 失败: 好友会话无法撤回对方消息.", messageID)
 			return Failed(100, "CANNOT_RECALL_FRIEND_MSG", "无法撤回对方消息")
 		}
-		if err = bot.Client.RecallPrivateMessage(o.TargetUin, o.Attribute.Timestamp, o.Attribute.MessageSeq, o.Attribute.InternalID); err != nil {
+		if err := bot.Client.RecallPrivateMessage(msg["target"].(int64), int64(msg["time"].(int32)), msg["message-id"].(int32), msg["internal-id"].(int32)); err != nil {
 			log.Warnf("撤回 %v 失败: %v", messageID, err)
 			return Failed(100, "RECALL_API_ERROR", err.Error())
 		}
-	default:
-		return Failed(100, "UNKNOWN_ERROR")
 	}
 	return OK(nil)
 }
@ -1026,21 +1025,10 @@ func (bot *CQBot) CQHandleQuickOperation(context, operation gjson.Result) global
 //
 // https://docs.go-cqhttp.org/api/#%E8%8E%B7%E5%8F%96%E5%9B%BE%E7%89%87%E4%BF%A1%E6%81%AF
 func (bot *CQBot) CQGetImage(file string) global.MSG {
-	var b []byte
-	var err error
-	if cache.EnableCacheDB && strings.HasSuffix(file, ".image") {
-		var f []byte
-		f, err = hex.DecodeString(strings.TrimSuffix(file, ".image"))
-		b = cache.Image.Get(f)
-	}
-
-	if b == nil {
 	if !global.PathExists(path.Join(global.ImagePath, file)) {
 		return Failed(100)
 	}
-		b, err = os.ReadFile(path.Join(global.ImagePath, file))
-	}
-
+	b, err := os.ReadFile(path.Join(global.ImagePath, file))
 	if err == nil {
 		r := binary.NewReader(b)
 		r.ReadBytes(16)
@ -1115,32 +1103,38 @@ func (bot *CQBot) CQGetForwardMessage(resID string) global.MSG {
 //
 // https://git.io/Jtz1b
 func (bot *CQBot) CQGetMessage(messageID int32) global.MSG {
-	msg, err := bot.db.GetMessageByGlobalID(messageID)
-	if err != nil {
-		log.Warnf("获取消息时出现错误: %v", err)
+	msg := bot.GetMessage(messageID)
+	if msg == nil {
 		return Failed(100, "MSG_NOT_FOUND", "消息不存在")
 	}
-	m := global.MSG{
-		"message_id":    msg.GetGlobalID(),
-		"message_id_v2": msg.GetID(),
-		"message_type":  msg.GetType(),
-		"real_id":       msg.GetAttribute().MessageSeq,
-		"message_seq":   msg.GetAttribute().MessageSeq,
-		"group":         msg.GetType() == "group",
+	sender := msg["sender"].(message.Sender)
+	gid, isGroup := msg["group"]
+	raw := msg["message"].(string)
+	return OK(global.MSG{
+		"message_id":  messageID,
+		"real_id":     msg["message-id"],
+		"message_seq": msg["message-id"],
+		"group":       isGroup,
+		"group_id":    gid,
+		"message_type": func() string {
+			if isGroup {
+				return "group"
+			}
+			return "private"
+		}(),
 		"sender": global.MSG{
-			"user_id":  msg.GetAttribute().SenderUin,
-			"nickname": msg.GetAttribute().SenderName,
+			"user_id":  sender.Uin,
+			"nickname": sender.Nickname,
 		},
-		"time": msg.GetAttribute().Timestamp,
+		"time":        msg["time"],
+		"raw_message": raw,
+		"message": ToFormattedMessage(bot.ConvertStringMessage(raw, isGroup), func() int64 {
+			if isGroup {
+				return gid.(int64)
 			}
-	switch o := msg.(type) {
-	case *db.StoredGroupMessage:
-		m["group_id"] = o.GroupCode
-		m["message"] = ToFormattedMessage(bot.ConvertContentMessage(o.Content, true), o.GroupCode, false)
-	case *db.StoredPrivateMessage:
-		m["message"] = ToFormattedMessage(bot.ConvertContentMessage(o.Content, false), 0, false)
-	}
-	return OK(m)
+			return 0
+		}(), false),
+	})
 }

 // CQGetGroupSystemMessages 扩展API-获取群文件系统消息
@ -1302,14 +1296,19 @@ func (bot *CQBot) CQGetStatus() global.MSG {
 //
 // https://docs.go-cqhttp.org/api/#%E8%AE%BE%E7%BD%AE%E7%B2%BE%E5%8D%8E%E6%B6%88%E6%81%AF
 func (bot *CQBot) CQSetEssenceMessage(messageID int32) global.MSG {
-	msg, err := bot.db.GetGroupMessageByGlobalID(messageID)
-	if err != nil {
+	msg := bot.GetMessage(messageID)
+	if msg == nil {
 		return Failed(100, "MESSAGE_NOT_FOUND", "消息不存在")
 	}
-	if err := bot.Client.SetEssenceMessage(msg.GroupCode, msg.Attribute.MessageSeq, msg.Attribute.InternalID); err != nil {
+	if _, ok := msg["group"]; ok {
+		if err := bot.Client.SetEssenceMessage(msg["group"].(int64), msg["message-id"].(int32), msg["internal-id"].(int32)); err != nil {
 			log.Warnf("设置精华消息 %v 失败: %v", messageID, err)
 			return Failed(100, "SET_ESSENCE_MSG_ERROR", err.Error())
 		}
+	} else {
+		log.Warnf("设置精华消息 %v 失败: 非群聊", messageID)
+		return Failed(100, "SET_ESSENCE_MSG_ERROR", "非群聊")
+	}
 	return OK(nil)
 }

@ -1317,13 +1316,18 @@ func (bot *CQBot) CQSetEssenceMessage(messageID int32) global.MSG {
 //
 // https://docs.go-cqhttp.org/api/#%E7%A7%BB%E5%87%BA%E7%B2%BE%E5%8D%8E%E6%B6%88%E6%81%AF
 func (bot *CQBot) CQDeleteEssenceMessage(messageID int32) global.MSG {
-	msg, err := bot.db.GetGroupMessageByGlobalID(messageID)
-	if err != nil {
+	msg := bot.GetMessage(messageID)
+	if msg == nil {
 		return Failed(100, "MESSAGE_NOT_FOUND", "消息不存在")
 	}
-	if err := bot.Client.DeleteEssenceMessage(msg.GroupCode, msg.Attribute.MessageSeq, msg.Attribute.InternalID); err != nil {
-		log.Warnf("删除精华消息 %v 失败: %v", messageID, err)
-		return Failed(100, "SET_ESSENCE_MSG_ERROR", err.Error())
+	if _, ok := msg["group"]; ok {
+		if err := bot.Client.DeleteEssenceMessage(msg["group"].(int64), msg["message-id"].(int32), msg["internal-id"].(int32)); err != nil {
+			log.Warnf("移出精华消息 %v 失败: %v", messageID, err)
+			return Failed(100, "DEL_ESSENCE_MSG_ERROR", err.Error())
+		}
+	} else {
+		log.Warnf("移出精华消息 %v 失败: 非群聊", messageID)
+		return Failed(100, "DEL_ESSENCE_MSG_ERROR", "非群聊")
 	}
 	return OK(nil)
 }
@ -1350,7 +1354,7 @@ func (bot *CQBot) CQGetEssenceMessageList(groupCode int64) global.MSG {
 			"sender_id":     m.SenderUin,
 			"operator_id":   m.AddDigestUin,
 		}
-		msg["message_id"] = db.ToGlobalID(groupCode, int32(m.MessageID))
+		msg["message_id"] = toGlobalID(groupCode, int32(m.MessageID))
 		list = append(list, msg)
 	}
 	return OK(list)
@ -1436,17 +1440,18 @@ func (bot *CQBot) CQSetModelShow(modelName string, modelShow string) global.MSG

 // CQMarkMessageAsRead 标记消息已读
 func (bot *CQBot) CQMarkMessageAsRead(msgID int32) global.MSG {
-	m, err := bot.db.GetMessageByGlobalID(msgID)
-	if err != nil {
+	m := bot.GetMessage(msgID)
+	if m == nil {
 		return Failed(100, "MSG_NOT_FOUND", "消息不存在")
 	}
-	switch o := m.(type) {
-	case *db.StoredGroupMessage:
-		bot.Client.MarkGroupMessageReaded(o.GroupCode, int64(o.Attribute.MessageSeq))
+	if _, ok := m["group"]; ok {
+		bot.Client.MarkGroupMessageReaded(m["group"].(int64), int64(m["message-id"].(int32)))
 		return OK(nil)
-	case *db.StoredPrivateMessage:
-		bot.Client.MarkPrivateMessageReaded(o.SessionUin, o.Attribute.Timestamp)
 	}
+	if _, ok := m["from-group"]; ok {
+		return Failed(100, "MSG_TYPE_ERROR", "不支持标记临时会话")
+	}
+	bot.Client.MarkPrivateMessageReaded(m["sender"].(message.Sender).Uin, int64(m["time"].(int32)))
 	return OK(nil)
 }

--- a/coolq/bot.go
+++ b/coolq/bot.go
@ -2,9 +2,11 @@ package coolq

 import (
 	"bytes"
+	"encoding/gob"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
+	"hash/crc32"
 	"io"
 	"os"
 	"path"
@ -12,14 +14,14 @@ import (
 	"sync"
 	"time"

-	"github.com/Mrs4s/go-cqhttp/db"
-
 	"github.com/Mrs4s/MiraiGo/binary"
 	"github.com/Mrs4s/MiraiGo/client"
 	"github.com/Mrs4s/MiraiGo/message"
 	"github.com/Mrs4s/MiraiGo/utils"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
+	"github.com/syndtr/goleveldb/leveldb"
+	"github.com/syndtr/goleveldb/leveldb/opt"

 	"github.com/Mrs4s/go-cqhttp/global"
 	"github.com/Mrs4s/go-cqhttp/internal/base"
@ -33,7 +35,7 @@ type CQBot struct {
 	lock   sync.RWMutex
 	events []func(*Event)

-	db               db.IDatabase
+	db               *leveldb.DB
 	friendReqCache   sync.Map
 	tempSessionCache sync.Map
 }
@ -71,30 +73,27 @@ func NewQQBot(cli *client.QQClient) *CQBot {
 	bot := &CQBot{
 		Client: cli,
 	}
-	levelNode, levelDB := base.Database["leveldb"]
-	mongoNode, mongoDB := base.Database["mongodb"]
-	multiDB := db.NewMultiDatabase()
-	if levelDB {
+	enableLevelDB := false
+	node, ok := base.Database["leveldb"]
+	if ok {
 		lconf := new(config.LevelDBConfig)
-		_ = levelNode.Decode(lconf)
-		if lconf.Enable {
-			multiDB.UseDB(db.UseLevelDB())
+		_ = node.Decode(lconf)
+		enableLevelDB = lconf.Enable
 	}
+	if enableLevelDB {
+		p := path.Join("data", "leveldb")
+		db, err := leveldb.OpenFile(p, &opt.Options{
+			WriteBuffer: 128 * opt.KiB,
+		})
+		if err != nil {
+			log.Fatalf("打开数据库失败, 如果频繁遇到此问题请清理 data/leveldb 文件夹或关闭数据库功能。")
 		}
-	if mongoDB {
-		lconf := new(config.MongoDBConfig)
-		_ = mongoNode.Decode(lconf)
-		if lconf.Database == "" {
-			lconf.Database = "gocq-database"
+		bot.db = db
+		gob.Register(message.Sender{})
+		log.Info("信息数据库初始化完成.")
+	} else {
+		log.Warn("警告: 信息数据库已关闭，将无法使用 [回复/撤回] 等功能。")
 	}
-		if lconf.Enable {
-			multiDB.UseDB(db.UseMongoDB(lconf.URI, lconf.Database))
-		}
-	}
-	if err := multiDB.Open(); err != nil {
-		log.Fatalf("打开数据库失败: %v", err)
-	}
-	bot.db = multiDB
 	bot.Client.OnPrivateMessage(bot.privateMessageEvent)
 	bot.Client.OnGroupMessage(bot.groupMessageEvent)
 	if base.ReportSelfMessage {
@ -149,6 +148,22 @@ func (bot *CQBot) OnEventPush(f func(e *Event)) {
 	bot.lock.Unlock()
 }

+// GetMessage 获取给定消息id对应的消息
+func (bot *CQBot) GetMessage(mid int32) global.MSG {
+	if bot.db != nil {
+		m := global.MSG{}
+		data, err := bot.db.Get(binary.ToBytes(mid), nil)
+		if err == nil {
+			err = gob.NewDecoder(bytes.NewReader(data)).Decode(&m)
+			if err == nil {
+				return m
+			}
+		}
+		log.Warnf("获取信息时出现错误: %v id: %v", err, mid)
+	}
+	return nil
+}
+
 // UploadLocalImageAsGroup 上传本地图片至群聊
 func (bot *CQBot) UploadLocalImageAsGroup(groupCode int64, img *LocalImageElement) (i *message.GroupImageElement, err error) {
 	if img.File != "" {
@ -317,9 +332,8 @@ func (bot *CQBot) SendPrivateMessage(target int64, groupID int64, m *message.Sen
 		default:
 			if session == nil && groupID != 0 {
 				msg := bot.Client.SendGroupTempMessage(groupID, target, m)
-				if msg != nil { // nolint
-					// todo(Mrs4s)
-					// id = bot.InsertTempMessage(target, msg)
+				if msg != nil {
+					id = bot.InsertTempMessage(target, msg)
 				}
 				break
 			}
@ -328,9 +342,8 @@ func (bot *CQBot) SendPrivateMessage(target int64, groupID int64, m *message.Sen
 				log.Errorf("发送临时会话消息失败: %v", err)
 				break
 			}
-			if msg != nil { // nolint
-				// todo(Mrs4s)
-				// id = bot.InsertTempMessage(target, msg)
+			if msg != nil {
+				id = bot.InsertTempMessage(target, msg)
 			}
 		}
 	case unidirectionalFriendExists(): // 单向好友
@ -350,104 +363,16 @@ func (bot *CQBot) SendPrivateMessage(target int64, groupID int64, m *message.Sen

 // InsertGroupMessage 群聊消息入数据库
 func (bot *CQBot) InsertGroupMessage(m *message.GroupMessage) int32 {
-	t := &message.SendingMessage{Elements: m.Elements}
-	replyElem := t.FirstOrNil(func(e message.IMessageElement) bool {
-		_, ok := e.(*message.ReplyElement)
-		return ok
-	})
-	msg := &db.StoredGroupMessage{
-		ID:       encodeMessageID(m.GroupCode, m.Id),
-		GlobalID: db.ToGlobalID(m.GroupCode, m.Id),
-		SubType:  "normal",
-		Attribute: &db.StoredMessageAttribute{
-			MessageSeq: m.Id,
-			InternalID: m.InternalId,
-			SenderUin:  m.Sender.Uin,
-			SenderName: m.Sender.DisplayName(),
-			Timestamp:  int64(m.Time),
-		},
-		GroupCode: m.GroupCode,
-		AnonymousID: func() string {
-			if m.Sender.IsAnonymous() {
-				return m.Sender.AnonymousInfo.AnonymousId
-			}
-			return ""
-		}(),
-		Content: ToMessageContent(m.Elements),
-	}
-	if replyElem != nil {
-		reply := replyElem.(*message.ReplyElement)
-		msg.SubType = "quote"
-		msg.QuotedInfo = &db.QuotedInfo{
-			PrevID:        encodeMessageID(m.GroupCode, reply.ReplySeq),
-			PrevGlobalID:  db.ToGlobalID(m.GroupCode, reply.ReplySeq),
-			QuotedContent: ToMessageContent(reply.Elements),
-		}
-	}
-	if err := bot.db.InsertGroupMessage(msg); err != nil {
-		log.Warnf("记录聊天数据时出现错误: %v", err)
-		return -1
-	}
-	return msg.GlobalID
-}
-
-// InsertPrivateMessage 私聊消息入数据库
-func (bot *CQBot) InsertPrivateMessage(m *message.PrivateMessage) int32 {
-	t := &message.SendingMessage{Elements: m.Elements}
-	replyElem := t.FirstOrNil(func(e message.IMessageElement) bool {
-		_, ok := e.(*message.ReplyElement)
-		return ok
-	})
-	msg := &db.StoredPrivateMessage{
-		ID:       encodeMessageID(m.Sender.Uin, m.Id),
-		GlobalID: db.ToGlobalID(m.Sender.Uin, m.Id),
-		SubType:  "normal",
-		Attribute: &db.StoredMessageAttribute{
-			MessageSeq: m.Id,
-			InternalID: m.InternalId,
-			SenderUin:  m.Sender.Uin,
-			SenderName: m.Sender.DisplayName(),
-			Timestamp:  int64(m.Time),
-		},
-		SessionUin: func() int64 {
-			if m.Sender.Uin == m.Self {
-				return m.Target
-			}
-			return m.Sender.Uin
-		}(),
-		TargetUin: m.Target,
-		Content:   ToMessageContent(m.Elements),
-	}
-	if replyElem != nil {
-		reply := replyElem.(*message.ReplyElement)
-		msg.SubType = "quote"
-		msg.QuotedInfo = &db.QuotedInfo{
-			PrevID:        encodeMessageID(reply.Sender, reply.ReplySeq),
-			PrevGlobalID:  db.ToGlobalID(reply.Sender, reply.ReplySeq),
-			QuotedContent: ToMessageContent(m.Elements),
-		}
-	}
-	if err := bot.db.InsertPrivateMessage(msg); err != nil {
-		log.Warnf("记录聊天数据时出现错误: %v", err)
-		return -1
-	}
-	return msg.GlobalID
-}
-
-/*
-// InsertTempMessage 临时消息入数据库
-func (bot *CQBot) InsertTempMessage(target int64, m *message.TempMessage) int32 {
 	val := global.MSG{
 		"message-id":  m.Id,
-		// FIXME(InsertTempMessage) InternalId missing
-		"from-group": m.GroupCode,
+		"internal-id": m.InternalId,
+		"group":       m.GroupCode,
 		"group-name":  m.GroupName,
-		"target":     target,
 		"sender":      m.Sender,
-		"time":       int32(time.Now().Unix()),
-		"message":    ToStringMessage(m.Elements, 0, true),
+		"time":        m.Time,
+		"message":     ToStringMessage(m.Elements, m.GroupCode, true),
 	}
-	id := db.ToGlobalID(m.Sender.Uin, m.Id)
+	id := toGlobalID(m.GroupCode, m.Id)
 	if bot.db != nil {
 		buf := global.NewBuffer()
 		defer global.PutBuffer(buf)
@ -462,11 +387,71 @@ func (bot *CQBot) InsertTempMessage(target int64, m *message.TempMessage) int32
 	}
 	return id
 }
-*/
+
+// InsertPrivateMessage 私聊消息入数据库
+func (bot *CQBot) InsertPrivateMessage(m *message.PrivateMessage) int32 {
+	val := global.MSG{
+		"message-id":  m.Id,
+		"internal-id": m.InternalId,
+		"target":      m.Target,
+		"sender":      m.Sender,
+		"time":        m.Time,
+		"message":     ToStringMessage(m.Elements, 0, true),
+	}
+	id := toGlobalID(m.Sender.Uin, m.Id)
+	if bot.db != nil {
+		buf := global.NewBuffer()
+		defer global.PutBuffer(buf)
+		if err := gob.NewEncoder(buf).Encode(val); err != nil {
+			log.Warnf("记录聊天数据时出现错误: %v", err)
+			return -1
+		}
+		if err := bot.db.Put(binary.ToBytes(id), buf.Bytes(), nil); err != nil {
+			log.Warnf("记录聊天数据时出现错误: %v", err)
+			return -1
+		}
+	}
+	return id
+}
+
+// InsertTempMessage 临时消息入数据库
+func (bot *CQBot) InsertTempMessage(target int64, m *message.TempMessage) int32 {
+	val := global.MSG{
+		"message-id": m.Id,
+		// FIXME(InsertTempMessage) InternalId missing
+		"from-group": m.GroupCode,
+		"group-name": m.GroupName,
+		"target":     target,
+		"sender":     m.Sender,
+		"time":       int32(time.Now().Unix()),
+		"message":    ToStringMessage(m.Elements, 0, true),
+	}
+	id := toGlobalID(m.Sender.Uin, m.Id)
+	if bot.db != nil {
+		buf := global.NewBuffer()
+		defer global.PutBuffer(buf)
+		if err := gob.NewEncoder(buf).Encode(val); err != nil {
+			log.Warnf("记录聊天数据时出现错误: %v", err)
+			return -1
+		}
+		if err := bot.db.Put(binary.ToBytes(id), buf.Bytes(), nil); err != nil {
+			log.Warnf("记录聊天数据时出现错误: %v", err)
+			return -1
+		}
+	}
+	return id
+}
+
+// toGlobalID 构建`code`-`msgID`的字符串并返回其CRC32 Checksum的值
+func toGlobalID(code int64, msgID int32) int32 {
+	return int32(crc32.ChecksumIEEE([]byte(fmt.Sprintf("%d-%d", code, msgID))))
+}

 // Release 释放Bot实例
 func (bot *CQBot) Release() {
-
+	if bot.db != nil {
+		_ = bot.db.Close()
+	}
 }

 func (bot *CQBot) dispatchEventMessage(m global.MSG) {
@ -595,11 +580,3 @@ func (bot *CQBot) uploadMedia(raw message.IMessageElement, target int64, group b
 	}
 	return nil, errors.New("unsupported message element type")
 }
-
-// encodeMessageID 临时先这样, 暂时用不上
-func encodeMessageID(target int64, seq int32) string {
-	return hex.EncodeToString(binary.NewWriterF(func(w *binary.Writer) {
-		w.WriteUInt64(uint64(target))
-		w.WriteUInt32(uint32(seq))
-	}))
-}
--- a/coolq/cqcode.go
+++ b/coolq/cqcode.go
@ -23,10 +23,8 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/tidwall/gjson"

-	"github.com/Mrs4s/go-cqhttp/db"
 	"github.com/Mrs4s/go-cqhttp/global"
 	"github.com/Mrs4s/go-cqhttp/internal/base"
-	"github.com/Mrs4s/go-cqhttp/internal/cache"
 	"github.com/Mrs4s/go-cqhttp/internal/param"
 )

@ -131,7 +129,7 @@ func ToArrayMessage(e []message.IMessageElement, groupID int64) (r []global.MSG)
 			r = append(r, global.MSG{
 				"type": "reply",
 				"data": map[string]string{
-					"id":   strconv.FormatInt(int64(db.ToGlobalID(rid, replyElem.ReplySeq)), 10),
+					"id":   strconv.FormatInt(int64(toGlobalID(rid, replyElem.ReplySeq)), 10),
 					"seq":  strconv.FormatInt(int64(replyElem.ReplySeq), 10),
 					"qq":   strconv.FormatInt(replyElem.Sender, 10),
 					"time": strconv.FormatInt(int64(replyElem.Time), 10),
@ -141,7 +139,7 @@ func ToArrayMessage(e []message.IMessageElement, groupID int64) (r []global.MSG)
 		} else {
 			r = append(r, global.MSG{
 				"type": "reply",
-				"data": map[string]string{"id": strconv.FormatInt(int64(db.ToGlobalID(rid, replyElem.ReplySeq)), 10)},
+				"data": map[string]string{"id": strconv.FormatInt(int64(toGlobalID(rid, replyElem.ReplySeq)), 10)},
 			})
 		}
 	}
@ -271,11 +269,11 @@ func ToStringMessage(e []message.IMessageElement, groupID int64, isRaw ...bool)
 		}
 		if base.ExtraReplyData {
 			write("[CQ:reply,id=%d,seq=%d,qq=%d,time=%d,text=%s]",
-				db.ToGlobalID(rid, replyElem.ReplySeq),
+				toGlobalID(rid, replyElem.ReplySeq),
 				replyElem.ReplySeq, replyElem.Sender, replyElem.Time,
 				CQCodeEscapeValue(ToStringMessage(replyElem.Elements, groupID)))
 		} else {
-			write("[CQ:reply,id=%d]", db.ToGlobalID(rid, replyElem.ReplySeq))
+			write("[CQ:reply,id=%d]", toGlobalID(rid, replyElem.ReplySeq))
 		}
 	}
 	for i, elem := range e {
@ -351,110 +349,6 @@ func ToStringMessage(e []message.IMessageElement, groupID int64, isRaw ...bool)
 	return
 }

-// ToMessageContent 将消息转换成 Content. 忽略 Reply
-// 不同于 onebot 的 Array Message, 此函数转换出来的 Content 的 data 段为实际类型
-// 方便数据库查询
-func ToMessageContent(e []message.IMessageElement) (r []global.MSG) {
-	for _, elem := range e {
-		var m global.MSG
-		switch o := elem.(type) {
-		case *message.TextElement:
-			m = global.MSG{
-				"type": "text",
-				"data": global.MSG{"text": o.Content},
-			}
-		case *message.LightAppElement:
-			m = global.MSG{
-				"type": "json",
-				"data": global.MSG{"data": o.Content},
-			}
-		case *message.AtElement:
-			if o.Target == 0 {
-				m = global.MSG{
-					"type": "at",
-					"data": global.MSG{
-						"subType": "all",
-					},
-				}
-			} else {
-				m = global.MSG{
-					"type": "at",
-					"data": global.MSG{
-						"subType": "user",
-						"target":  o.Target,
-						"display": o.Display,
-					},
-				}
-			}
-		case *message.RedBagElement:
-			m = global.MSG{
-				"type": "redbag",
-				"data": global.MSG{"title": o.Title, "type": o.MsgType},
-			}
-		case *message.ForwardElement:
-			m = global.MSG{
-				"type": "forward",
-				"data": global.MSG{"id": o.ResId},
-			}
-		case *message.FaceElement:
-			m = global.MSG{
-				"type": "face",
-				"data": global.MSG{"id": o.Index},
-			}
-		case *message.VoiceElement:
-			m = global.MSG{
-				"type": "record",
-				"data": global.MSG{"file": o.Name, "url": o.Url},
-			}
-		case *message.ShortVideoElement:
-			m = global.MSG{
-				"type": "video",
-				"data": global.MSG{"file": o.Name, "url": o.Url},
-			}
-		case *message.GroupImageElement:
-			data := global.MSG{"file": hex.EncodeToString(o.Md5) + ".image", "url": o.Url, "subType": uint32(o.ImageBizType)}
-			switch {
-			case o.Flash:
-				data["type"] = "flash"
-			case o.EffectID != 0:
-				data["type"] = "show"
-				data["id"] = o.EffectID
-			}
-			m = global.MSG{
-				"type": "image",
-				"data": data,
-			}
-		case *message.FriendImageElement:
-			data := global.MSG{"file": hex.EncodeToString(o.Md5) + ".image", "url": o.Url}
-			if o.Flash {
-				data["type"] = "flash"
-			}
-			m = global.MSG{
-				"type": "image",
-				"data": data,
-			}
-		case *message.ServiceElement:
-			if isOk := strings.Contains(o.Content, "<?xml"); isOk {
-				m = global.MSG{
-					"type": "xml",
-					"data": global.MSG{"data": o.Content, "resid": o.Id},
-				}
-			} else {
-				m = global.MSG{
-					"type": "json",
-					"data": global.MSG{"data": o.Content, "resid": o.Id},
-				}
-			}
-		default:
-			continue
-		}
-		if m != nil {
-			r = append(r, m)
-		}
-	}
-	return
-}
-
 // ConvertStringMessage 将消息字符串转为消息元素数组
 func (bot *CQBot) ConvertStringMessage(raw string, isGroup bool) (r []message.IMessageElement) {
 	var t, key string
@ -473,7 +367,7 @@ func (bot *CQBot) ConvertStringMessage(raw string, isGroup bool) (r []message.IM
 			switch {
 			case customText != "":
 				var elem *message.ReplyElement
-				var org db.IStoredMessage
+				var org global.MSG
 				sender, senderErr := strconv.ParseInt(d["qq"], 10, 64)
 				if senderErr != nil && err != nil {
 					log.Warnf("警告: 自定义 Reply 元素中必须包含 Uin 或 id")
@ -485,13 +379,13 @@ func (bot *CQBot) ConvertStringMessage(raw string, isGroup bool) (r []message.IM
 				}
 				messageSeq, seqErr := strconv.ParseInt(d["seq"], 10, 64)
 				if err == nil {
-					org, _ = bot.db.GetMessageByGlobalID(int32(mid))
+					org = bot.GetMessage(int32(mid))
 				}
 				if org != nil {
 					elem = &message.ReplyElement{
-						ReplySeq: org.GetAttribute().MessageSeq,
-						Sender:   org.GetAttribute().SenderUin,
-						Time:     int32(org.GetAttribute().Timestamp),
+						ReplySeq: org["message-id"].(int32),
+						Sender:   org["sender"].(message.Sender).Uin,
+						Time:     org["time"].(int32),
 						Elements: bot.ConvertStringMessage(customText, isGroup),
 					}
 					if senderErr != nil {
@ -513,14 +407,14 @@ func (bot *CQBot) ConvertStringMessage(raw string, isGroup bool) (r []message.IM
 				}
 				r = append([]message.IMessageElement{elem}, r...)
 			case err == nil:
-				org, err := bot.db.GetMessageByGlobalID(int32(mid))
-				if err == nil {
+				org := bot.GetMessage(int32(mid))
+				if org != nil {
 					r = append([]message.IMessageElement{
 						&message.ReplyElement{
-							ReplySeq: org.GetAttribute().MessageSeq,
-							Sender:   org.GetAttribute().SenderUin,
-							Time:     int32(org.GetAttribute().Timestamp),
-							Elements: bot.ConvertContentMessage(org.GetContent(), isGroup),
+							ReplySeq: org["message-id"].(int32),
+							Sender:   org["sender"].(message.Sender).Uin,
+							Time:     org["time"].(int32),
+							Elements: bot.ConvertStringMessage(org["message"].(string), isGroup),
 						},
 					}, r...)
 				}
@ -645,7 +539,7 @@ func (bot *CQBot) ConvertObjectMessage(m gjson.Result, isGroup bool) (r []messag
 			switch {
 			case customText != "":
 				var elem *message.ReplyElement
-				var org db.IStoredMessage
+				var org global.MSG
 				sender, senderErr := strconv.ParseInt(e.Get("data.[user_id,qq]").String(), 10, 64)
 				if senderErr != nil && err != nil {
 					log.Warnf("警告: 自定义 Reply 元素中必须包含 user_id 或 id")
@ -657,13 +551,13 @@ func (bot *CQBot) ConvertObjectMessage(m gjson.Result, isGroup bool) (r []messag
 				}
 				messageSeq, seqErr := strconv.ParseInt(e.Get("data.seq").String(), 10, 64)
 				if err == nil {
-					org, _ = bot.db.GetMessageByGlobalID(int32(mid))
+					org = bot.GetMessage(int32(mid))
 				}
 				if org != nil {
 					elem = &message.ReplyElement{
-						ReplySeq: org.GetAttribute().MessageSeq,
-						Sender:   org.GetAttribute().SenderUin,
-						Time:     int32(org.GetAttribute().Timestamp),
+						ReplySeq: org["message-id"].(int32),
+						Sender:   org["sender"].(message.Sender).Uin,
+						Time:     org["time"].(int32),
 						Elements: bot.ConvertStringMessage(customText, isGroup),
 					}
 					if senderErr != nil {
@ -685,14 +579,14 @@ func (bot *CQBot) ConvertObjectMessage(m gjson.Result, isGroup bool) (r []messag
 				}
 				r = append([]message.IMessageElement{elem}, r...)
 			case err == nil:
-				org, err := bot.db.GetMessageByGlobalID(int32(mid))
-				if err == nil {
+				org := bot.GetMessage(int32(mid))
+				if org != nil {
 					r = append([]message.IMessageElement{
 						&message.ReplyElement{
-							ReplySeq: org.GetAttribute().MessageSeq,
-							Sender:   org.GetAttribute().SenderUin,
-							Time:     int32(org.GetAttribute().Timestamp),
-							Elements: bot.ConvertContentMessage(org.GetContent(), isGroup),
+							ReplySeq: org["message-id"].(int32),
+							Sender:   org["sender"].(message.Sender).Uin,
+							Time:     org["time"].(int32),
+							Elements: bot.ConvertStringMessage(org["message"].(string), isGroup),
 						},
 					}, r...)
 				}
@ -748,75 +642,6 @@ func (bot *CQBot) ConvertObjectMessage(m gjson.Result, isGroup bool) (r []messag
 	return
 }

-// ConvertContentMessage 将数据库用的 content 转换为消息元素数组
-func (bot *CQBot) ConvertContentMessage(content []global.MSG, group bool) (r []message.IMessageElement) {
-	for _, c := range content {
-		data := c["data"].(global.MSG)
-		switch c["type"] {
-		case "text":
-			r = append(r, message.NewText(data["text"].(string)))
-		case "image":
-			e, err := bot.makeImageOrVideoElem(map[string]string{"file": data["file"].(string)}, false, group)
-			if err != nil {
-				log.Warnf("make image elem error: %v", err)
-				continue
-			}
-			flash, id := false, int32(0)
-			if t, ok := data["type"]; ok {
-				if t.(string) == "flash" {
-					flash = true
-				}
-				if t.(string) == "show" {
-					id = data["id"].(int32)
-					if id < 40000 || id >= 40006 {
-						id = 40000
-					}
-				}
-			}
-			switch img := e.(type) {
-			case *LocalImageElement:
-				img.Flash = flash
-				img.EffectID = id
-			case *message.GroupImageElement:
-				img.Flash = flash
-				img.EffectID = id
-				img.ImageBizType = message.ImageBizType(data["subType"].(uint32))
-			case *message.FriendImageElement:
-				img.Flash = flash
-			}
-			r = append(r, e)
-		case "at":
-			switch data["subType"].(string) {
-			case "all":
-				r = append(r, message.NewAt(0))
-			case "user":
-				r = append(r, message.NewAt(data["target"].(int64), data["display"].(string)))
-			default:
-				continue
-			}
-		case "redbag":
-			r = append(r, &message.RedBagElement{
-				MsgType: message.RedBagMessageType(data["type"].(int)),
-				Title:   data["title"].(string),
-			})
-		case "forward":
-			r = append(r, &message.ForwardElement{
-				ResId: data["id"].(string),
-			})
-		case "face":
-			r = append(r, message.NewFace(data["id"].(int32)))
-		case "video":
-			e, err := bot.makeImageOrVideoElem(map[string]string{"file": data["file"].(string)}, true, group)
-			if err != nil {
-				log.Warnf("make image elem error: %v", err)
-				continue
-			}
-			r = append(r, e)
-		}
-	}
-	return
-}
-
 // ToElement 将解码后的CQCode转换为Element.
 //
 // 返回 interface{} 存在三种类型
@ -1281,31 +1106,23 @@ func (bot *CQBot) makeImageOrVideoElem(d map[string]string, video, group bool) (
 	}
 	rawPath := path.Join(global.ImagePath, f)
 	if video {
-		if strings.HasSuffix(f, ".video") && cache.EnableCacheDB {
-			hash, err := hex.DecodeString(strings.TrimSuffix(f, ".video"))
-			if err == nil {
-				if b := cache.Video.Get(hash); b != nil {
-					return bot.readVideoCache(b), nil
-				}
-			}
-		}
 		rawPath = path.Join(global.VideoPath, f)
 		if !global.PathExists(rawPath) {
 			return nil, errors.New("invalid video")
 		}
-		if path.Ext(rawPath) != ".video" {
-			return &LocalVideoElement{File: rawPath}, nil
-		}
+		if path.Ext(rawPath) == ".video" {
 			b, _ := os.ReadFile(rawPath)
-		return bot.readVideoCache(b), nil
-	}
-	if strings.HasSuffix(f, ".image") && cache.EnableCacheDB {
-		hash, err := hex.DecodeString(strings.TrimSuffix(f, ".image"))
-		if err == nil {
-			if b := cache.Image.Get(hash); b != nil {
-				return bot.readImageCache(b, group)
-			}
+			r := binary.NewReader(b)
+			return &message.ShortVideoElement{ // todo 检查缓存是否有效
+				Md5:       r.ReadBytes(16),
+				ThumbMd5:  r.ReadBytes(16),
+				Size:      r.ReadInt32(),
+				ThumbSize: r.ReadInt32(),
+				Name:      r.ReadString(),
+				Uuid:      r.ReadAvailable(),
+			}, nil
 		}
+		return &LocalVideoElement{File: rawPath}, nil
 	}
 	exist := global.PathExists(rawPath)
 	if !exist && global.PathExists(path.Join(global.ImagePathOld, f)) {
@ -1325,13 +1142,8 @@ func (bot *CQBot) makeImageOrVideoElem(d map[string]string, video, group bool) (
 	if err != nil {
 		return nil, err
 	}
-	return bot.readImageCache(b, group)
-}
-
-func (bot *CQBot) readImageCache(b []byte, group bool) (message.IMessageElement, error) {
-	var err error
 	if len(b) < 20 {
-		return nil, errors.New("invalid cache")
+		return nil, errors.New("invalid local file")
 	}
 	r := binary.NewReader(b)
 	hash := r.ReadBytes(16)
@ -1363,18 +1175,6 @@ ok:
 	return rsp, nil
 }

-func (bot *CQBot) readVideoCache(b []byte) message.IMessageElement {
-	r := binary.NewReader(b)
-	return &message.ShortVideoElement{ // todo 检查缓存是否有效
-		Md5:       r.ReadBytes(16),
-		ThumbMd5:  r.ReadBytes(16),
-		Size:      r.ReadInt32(),
-		ThumbSize: r.ReadInt32(),
-		Name:      r.ReadString(),
-		Uuid:      r.ReadAvailable(),
-	}
-}
-
 // makeShowPic 一种xml 方式发送的群消息图片
 func (bot *CQBot) makeShowPic(elem message.IMessageElement, source string, brief string, icon string, minWidth int64, minHeight int64, maxWidth int64, maxHeight int64, group bool) ([]message.IMessageElement, error) {
 	xml := ""
--- a/coolq/cqcode_test.go
+++ b/coolq/cqcode_test.go
@ -41,7 +41,7 @@ const bText = `123456789[]&987654321[]&987654321[]&987654321[]&987654321[]&98765
 func BenchmarkCQCodeEscapeText(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		ret := bText
-		CQCodeEscapeText(ret)
+		ret = CQCodeEscapeText(ret)
 	}
 }

@ -50,7 +50,7 @@ func BenchmarkCQCodeEscapeTextBefore(b *testing.B) {
 		ret := bText
 		ret = strings.ReplaceAll(ret, "&", "&amp;")
 		ret = strings.ReplaceAll(ret, "[", "&#91;")
-		strings.ReplaceAll(ret, "]", "&#93;")
+		ret = strings.ReplaceAll(ret, "]", "&#93;")
 	}
 }

--- a/coolq/event.go
+++ b/coolq/event.go
@ -8,9 +8,6 @@ import (
 	"strings"
 	"time"

-	"github.com/Mrs4s/go-cqhttp/db"
-	"github.com/Mrs4s/go-cqhttp/internal/cache"
-
 	"github.com/Mrs4s/go-cqhttp/global"
 	"github.com/Mrs4s/go-cqhttp/internal/base"

@ -108,9 +105,8 @@ func (bot *CQBot) tempMessageEvent(c *client.QQClient, e *client.TempMessageEven
 	cqm := ToStringMessage(m.Elements, 0, true)
 	bot.tempSessionCache.Store(m.Sender.Uin, e.Session)
 	id := m.Id
-	if bot.db != nil { // nolint
-		// todo(Mrs4s)
-		// id = bot.InsertTempMessage(m.Sender.Uin, m)
+	if bot.db != nil {
+		id = bot.InsertTempMessage(m.Sender.Uin, m)
 	}
 	log.Infof("收到来自群 %v(%v) 内 %v(%v) 的临时会话消息: %v", m.GroupName, m.GroupCode, m.Sender.DisplayName(), m.Sender.Uin, cqm)
 	tm := global.MSG{
@ -176,7 +172,7 @@ func (bot *CQBot) groupMutedEvent(c *client.QQClient, e *client.GroupMuteEvent)

 func (bot *CQBot) groupRecallEvent(c *client.QQClient, e *client.GroupMessageRecalledEvent) {
 	g := c.FindGroup(e.GroupCode)
-	gid := db.ToGlobalID(e.GroupCode, e.MessageId)
+	gid := toGlobalID(e.GroupCode, e.MessageId)
 	log.Infof("群 %v 内 %v 撤回了 %v 的消息: %v.",
 		formatGroupName(g), formatMemberName(g.FindMember(e.OperatorUin)), formatMemberName(g.FindMember(e.AuthorUin)), gid)
 	bot.dispatchEventMessage(global.MSG{
@ -293,7 +289,7 @@ func (bot *CQBot) memberTitleUpdatedEvent(c *client.QQClient, e *client.MemberSp

 func (bot *CQBot) friendRecallEvent(c *client.QQClient, e *client.FriendMessageRecalledEvent) {
 	f := c.FindFriend(e.FriendUin)
-	gid := db.ToGlobalID(e.FriendUin, e.MessageId)
+	gid := toGlobalID(e.FriendUin, e.MessageId)
 	if f != nil {
 		log.Infof("好友 %v(%v) 撤回了消息: %v", f.Nickname, f.Uin, gid)
 	} else {
@ -470,7 +466,7 @@ func (bot *CQBot) otherClientStatusChangedEvent(c *client.QQClient, e *client.Ot

 func (bot *CQBot) groupEssenceMsg(c *client.QQClient, e *client.GroupDigestEvent) {
 	g := c.FindGroup(e.GroupCode)
-	gid := db.ToGlobalID(e.GroupCode, e.MessageID)
+	gid := toGlobalID(e.GroupCode, e.MessageID)
 	if e.OperationType == 1 {
 		log.Infof(
 			"群 %v 内 %v 将 %v 的消息(%v)设为了精华消息.",
@ -549,37 +545,29 @@ func (bot *CQBot) groupDecrease(groupCode, userUin int64, operator *client.Group
 }

 func (bot *CQBot) checkMedia(e []message.IMessageElement) {
-	// TODO(wdvxdr): remove these old cache file in v1.0.0
 	for _, elem := range e {
 		switch i := elem.(type) {
 		case *message.GroupImageElement:
-			data := binary.NewWriterF(func(w *binary.Writer) {
+			filename := hex.EncodeToString(i.Md5) + ".image"
+			if !global.PathExists(path.Join(global.ImagePath, filename)) {
+				_ = os.WriteFile(path.Join(global.ImagePath, filename), binary.NewWriterF(func(w *binary.Writer) {
 					w.Write(i.Md5)
 					w.WriteUInt32(uint32(i.Size))
 					w.WriteString(i.ImageId)
 					w.WriteString(i.Url)
-			})
-			filename := hex.EncodeToString(i.Md5) + ".image"
-			if cache.EnableCacheDB {
-				cache.Image.Insert(i.Md5, data)
-			} else if !global.PathExists(path.Join(global.ImagePath, filename)) {
-				_ = os.WriteFile(path.Join(global.ImagePath, filename), data, 0o644)
+				}), 0o644)
 			}
 		case *message.FriendImageElement:
-			data := binary.NewWriterF(func(w *binary.Writer) {
+			filename := hex.EncodeToString(i.Md5) + ".image"
+			if !global.PathExists(path.Join(global.ImagePath, filename)) {
+				_ = os.WriteFile(path.Join(global.ImagePath, filename), binary.NewWriterF(func(w *binary.Writer) {
 					w.Write(i.Md5)
 					w.WriteUInt32(uint32(i.Size))
 					w.WriteString(i.ImageId)
 					w.WriteString(i.Url)
-			})
-			filename := hex.EncodeToString(i.Md5) + ".image"
-			if cache.EnableCacheDB {
-				cache.Image.Insert(i.Md5, data)
-			} else if !global.PathExists(path.Join(global.ImagePath, filename)) {
-				_ = os.WriteFile(path.Join(global.ImagePath, filename), data, 0o644)
+				}), 0o644)
 			}
 		case *message.VoiceElement:
-			// todo: don't download original file?
 			i.Name = strings.ReplaceAll(i.Name, "{", "")
 			i.Name = strings.ReplaceAll(i.Name, "}", "")
 			if !global.PathExists(path.Join(global.VoicePath, i.Name)) {
@ -591,19 +579,16 @@ func (bot *CQBot) checkMedia(e []message.IMessageElement) {
 				_ = os.WriteFile(path.Join(global.VoicePath, i.Name), b, 0o644)
 			}
 		case *message.ShortVideoElement:
-			data := binary.NewWriterF(func(w *binary.Writer) {
+			filename := hex.EncodeToString(i.Md5) + ".video"
+			if !global.PathExists(path.Join(global.VideoPath, filename)) {
+				_ = os.WriteFile(path.Join(global.VideoPath, filename), binary.NewWriterF(func(w *binary.Writer) {
 					w.Write(i.Md5)
 					w.Write(i.ThumbMd5)
 					w.WriteUInt32(uint32(i.Size))
 					w.WriteUInt32(uint32(i.ThumbSize))
 					w.WriteString(i.Name)
 					w.Write(i.Uuid)
-			})
-			filename := hex.EncodeToString(i.Md5) + ".video"
-			if cache.EnableCacheDB {
-				cache.Video.Insert(i.Md5, data)
-			} else if !global.PathExists(path.Join(global.VideoPath, filename)) {
-				_ = os.WriteFile(path.Join(global.VideoPath, filename), data, 0o644)
+				}), 0o644)
 			}
 			i.Name = filename
 			i.Url = bot.Client.GetShortVideoUrl(i.Uuid, i.Md5)
--- a/db/database.go
+++ b/db/database.go
@ -1,101 +0,0 @@
-package db
-
-import (
-	"fmt"
-	"hash/crc32"
-
-	"github.com/Mrs4s/go-cqhttp/global"
-)
-
-type (
-	// IDatabase 数据库操作接口定义
-	IDatabase interface {
-		// Open 初始化数据库
-		Open() error
-
-		// GetMessageByGlobalID 通过 GlobalID 来获取消息
-		GetMessageByGlobalID(int32) (IStoredMessage, error)
-		// GetGroupMessageByGlobalID 通过 GlobalID 来获取群消息
-		GetGroupMessageByGlobalID(int32) (*StoredGroupMessage, error)
-		// GetPrivateMessageByGlobalID 通过 GlobalID 来获取私聊消息
-		GetPrivateMessageByGlobalID(int32) (*StoredPrivateMessage, error)
-
-		// InsertGroupMessage 向数据库写入新的群消息
-		InsertGroupMessage(*StoredGroupMessage) error
-		// InsertPrivateMessage 向数据库写入新的私聊消息
-		InsertPrivateMessage(*StoredPrivateMessage) error
-	}
-
-	IStoredMessage interface {
-		GetID() string
-		GetType() string
-		GetGlobalID() int32
-		GetAttribute() *StoredMessageAttribute
-		GetContent() []global.MSG
-	}
-
-	// StoredGroupMessage 持久化群消息
-	StoredGroupMessage struct {
-		ID          string                  `bson:"_id"`
-		GlobalID    int32                   `bson:"globalId"`
-		Attribute   *StoredMessageAttribute `bson:"attribute"`
-		SubType     string                  `bson:"subType"`
-		QuotedInfo  *QuotedInfo             `bson:"quotedInfo"`
-		GroupCode   int64                   `bson:"groupCode"`
-		AnonymousID string                  `bson:"anonymousId"`
-		Content     []global.MSG            `bson:"content"`
-	}
-
-	// StoredPrivateMessage 持久化私聊消息
-	StoredPrivateMessage struct {
-		ID         string                  `bson:"_id"`
-		GlobalID   int32                   `bson:"globalId"`
-		Attribute  *StoredMessageAttribute `bson:"attribute"`
-		SubType    string                  `bson:"subType"`
-		QuotedInfo *QuotedInfo             `bson:"quotedInfo"`
-		SessionUin int64                   `bson:"sessionUin"`
-		TargetUin  int64                   `bson:"targetUin"`
-		Content    []global.MSG            `bson:"content"`
-	}
-
-	// StoredMessageAttribute 持久化消息属性
-	StoredMessageAttribute struct {
-		MessageSeq int32  `bson:"messageSeq"`
-		InternalID int32  `bson:"internalId"`
-		SenderUin  int64  `bson:"senderUin"`
-		SenderName string `bson:"senderName"`
-		Timestamp  int64  `bson:"timestamp"`
-	}
-
-	// QuotedInfo 引用回复
-	QuotedInfo struct {
-		PrevID        string       `bson:"prevId"`
-		PrevGlobalID  int32        `bson:"prevGlobalId"`
-		QuotedContent []global.MSG `bson:"quotedContent"`
-	}
-)
-
-// ToGlobalID 构建`code`-`msgID`的字符串并返回其CRC32 Checksum的值
-func ToGlobalID(code int64, msgID int32) int32 {
-	return int32(crc32.ChecksumIEEE([]byte(fmt.Sprintf("%d-%d", code, msgID))))
-}
-
-func (m *StoredGroupMessage) GetID() string { return m.ID }
-
-func (m *StoredGroupMessage) GetType() string { return "group" }
-
-func (m *StoredGroupMessage) GetGlobalID() int32 { return m.GlobalID }
-
-func (m *StoredGroupMessage) GetAttribute() *StoredMessageAttribute { return m.Attribute }
-
-func (m *StoredGroupMessage) GetContent() []global.MSG { return m.Content }
-
-func (m *StoredPrivateMessage) GetID() string { return m.ID }
-
-func (m *StoredPrivateMessage) GetType() string { return "private" }
-
-func (m *StoredPrivateMessage) GetGlobalID() int32 { return m.GlobalID }
-
-func (m *StoredPrivateMessage) GetAttribute() *StoredMessageAttribute { return m.Attribute }
-
-func (m *StoredPrivateMessage) GetContent() []global.MSG { return m.Content }
--- a/db/leveldb.go
+++ b/db/leveldb.go
@ -1,118 +0,0 @@
-package db
-
-import (
-	"bytes"
-	"encoding/gob"
-	"path"
-
-	"github.com/Mrs4s/MiraiGo/binary"
-	"github.com/pkg/errors"
-	"github.com/syndtr/goleveldb/leveldb"
-	"github.com/syndtr/goleveldb/leveldb/opt"
-
-	"github.com/Mrs4s/go-cqhttp/global"
-)
-
-type LevelDBImpl struct {
-	db *leveldb.DB
-}
-
-const (
-	group   byte = 0x0
-	private byte = 0x1
-)
-
-func UseLevelDB() *LevelDBImpl {
-	gob.Register(StoredMessageAttribute{})
-	gob.Register(QuotedInfo{})
-	gob.Register(global.MSG{})
-	gob.Register(StoredGroupMessage{})
-	gob.Register(StoredPrivateMessage{})
-	return &LevelDBImpl{}
-}
-
-func (db *LevelDBImpl) Open() error {
-	p := path.Join("data", "leveldb-v2")
-	d, err := leveldb.OpenFile(p, &opt.Options{
-		WriteBuffer: 128 * opt.KiB,
-	})
-	if err != nil {
-		return errors.Wrap(err, "open level db error")
-	}
-	db.db = d
-	return nil
-}
-
-func (db *LevelDBImpl) GetMessageByGlobalID(id int32) (IStoredMessage, error) {
-	v, err := db.db.Get(binary.ToBytes(id), nil)
-	if err != nil {
-		return nil, errors.Wrap(err, "get value error")
-	}
-	r := binary.NewReader(v)
-	switch r.ReadByte() {
-	case group:
-		g := &StoredGroupMessage{}
-		if err = gob.NewDecoder(bytes.NewReader(r.ReadAvailable())).Decode(g); err != nil {
-			return nil, errors.Wrap(err, "decode message error")
-		}
-		return g, nil
-	case private:
-		p := &StoredPrivateMessage{}
-		if err = gob.NewDecoder(bytes.NewReader(r.ReadAvailable())).Decode(p); err != nil {
-			return nil, errors.Wrap(err, "decode message error")
-		}
-		return p, nil
-	default:
-		return nil, errors.New("unknown message flag")
-	}
-}
-
-func (db *LevelDBImpl) GetGroupMessageByGlobalID(id int32) (*StoredGroupMessage, error) {
-	i, err := db.GetMessageByGlobalID(id)
-	if err != nil {
-		return nil, err
-	}
-	g, ok := i.(*StoredGroupMessage)
-	if !ok {
-		return nil, errors.New("message type error")
-	}
-	return g, nil
-}
-
-func (db *LevelDBImpl) GetPrivateMessageByGlobalID(id int32) (*StoredPrivateMessage, error) {
-	i, err := db.GetMessageByGlobalID(id)
-	if err != nil {
-		return nil, err
-	}
-	p, ok := i.(*StoredPrivateMessage)
-	if !ok {
-		return nil, errors.New("message type error")
-	}
-	return p, nil
-}
-
-func (db *LevelDBImpl) InsertGroupMessage(msg *StoredGroupMessage) error {
-	buf := global.NewBuffer()
-	defer global.PutBuffer(buf)
-	if err := gob.NewEncoder(buf).Encode(msg); err != nil {
-		return errors.Wrap(err, "encode message error")
-	}
-	err := db.db.Put(binary.ToBytes(msg.GlobalID), binary.NewWriterF(func(w *binary.Writer) {
-		w.WriteByte(group)
-		w.Write(buf.Bytes())
-	}), nil)
-	return errors.Wrap(err, "put data error")
-}
-
-func (db *LevelDBImpl) InsertPrivateMessage(msg *StoredPrivateMessage) error {
-	buf := global.NewBuffer()
-	defer global.PutBuffer(buf)
-	if err := gob.NewEncoder(buf).Encode(msg); err != nil {
-		return errors.Wrap(err, "encode message error")
-	}
-	err := db.db.Put(binary.ToBytes(msg.GlobalID), binary.NewWriterF(func(w *binary.Writer) {
-		w.WriteByte(private)
-		w.Write(buf.Bytes())
-	}), nil)
-	return errors.Wrap(err, "put data error")
-}
--- a/db/mongodb.go
+++ b/db/mongodb.go
@ -1,71 +0,0 @@
-package db
-
-import (
-	"context"
-
-	"github.com/pkg/errors"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/mongo"
-	"go.mongodb.org/mongo-driver/mongo/options"
-)
-
-type MongoDBImpl struct {
-	uri   string
-	db    string
-	mongo *mongo.Database
-}
-
-const (
-	MongoGroupMessageCollection   = "group-messages"
-	MongoPrivateMessageCollection = "private-messages"
-)
-
-func UseMongoDB(uri, db string) *MongoDBImpl {
-	return &MongoDBImpl{uri: uri, db: db}
-}
-
-func (db *MongoDBImpl) Open() error {
-	cli, err := mongo.Connect(context.Background(), options.Client().ApplyURI(db.uri))
-	if err != nil {
-		return errors.Wrap(err, "open mongo connection error")
-	}
-	db.mongo = cli.Database(db.db)
-	return nil
-}
-
-func (db *MongoDBImpl) GetMessageByGlobalID(id int32) (IStoredMessage, error) {
-	if r, err := db.GetGroupMessageByGlobalID(id); err == nil {
-		return r, nil
-	}
-	return db.GetPrivateMessageByGlobalID(id)
-}
-
-func (db *MongoDBImpl) GetGroupMessageByGlobalID(id int32) (*StoredGroupMessage, error) {
-	coll := db.mongo.Collection(MongoGroupMessageCollection)
-	var ret StoredGroupMessage
-	if err := coll.FindOne(context.Background(), bson.D{{"globalId", id}}).Decode(&ret); err != nil {
-		return nil, errors.Wrap(err, "query error")
-	}
-	return &ret, nil
-}
-
-func (db *MongoDBImpl) GetPrivateMessageByGlobalID(id int32) (*StoredPrivateMessage, error) {
-	coll := db.mongo.Collection(MongoPrivateMessageCollection)
-	var ret StoredPrivateMessage
-	if err := coll.FindOne(context.Background(), bson.D{{"globalId", id}}).Decode(&ret); err != nil {
-		return nil, errors.Wrap(err, "query error")
-	}
-	return &ret, nil
-}
-
-func (db *MongoDBImpl) InsertGroupMessage(msg *StoredGroupMessage) error {
-	coll := db.mongo.Collection(MongoGroupMessageCollection)
-	_, err := coll.InsertOne(context.Background(), msg)
-	return errors.Wrap(err, "insert error")
-}
-
-func (db *MongoDBImpl) InsertPrivateMessage(msg *StoredPrivateMessage) error {
-	coll := db.mongo.Collection(MongoPrivateMessageCollection)
-	_, err := coll.InsertOne(context.Background(), msg)
-	return errors.Wrap(err, "insert error")
-}
--- a/db/multidb.go
+++ b/db/multidb.go
@ -1,68 +0,0 @@
-package db
-
-import "github.com/pkg/errors"
-
-// MultiDBImpl 多数据库支持
-// 写入会对所有 Backend 进行写入
-// 读取只会读取第一个库
-type MultiDBImpl struct {
-	backends []IDatabase
-}
-
-func NewMultiDatabase(backends ...IDatabase) *MultiDBImpl {
-	return &MultiDBImpl{
-		backends: backends,
-	}
-}
-
-func (db *MultiDBImpl) UseDB(backend IDatabase) {
-	db.backends = append(db.backends, backend)
-}
-
-func (db *MultiDBImpl) Open() error {
-	for _, b := range db.backends {
-		if err := b.Open(); err != nil {
-			return errors.Wrap(err, "open backend error")
-		}
-	}
-	return nil
-}
-
-func (db *MultiDBImpl) GetMessageByGlobalID(id int32) (IStoredMessage, error) {
-	if len(db.backends) == 0 {
-		return nil, errors.New("database disabled")
-	}
-	return db.backends[0].GetMessageByGlobalID(id)
-}
-
-func (db *MultiDBImpl) GetGroupMessageByGlobalID(id int32) (*StoredGroupMessage, error) {
-	if len(db.backends) == 0 {
-		return nil, errors.New("database disabled")
-	}
-	return db.backends[0].GetGroupMessageByGlobalID(id)
-}
-
-func (db *MultiDBImpl) GetPrivateMessageByGlobalID(id int32) (*StoredPrivateMessage, error) {
-	if len(db.backends) == 0 {
-		return nil, errors.New("database disabled")
-	}
-	return db.backends[0].GetPrivateMessageByGlobalID(id)
-}
-
-func (db *MultiDBImpl) InsertGroupMessage(m *StoredGroupMessage) error {
-	for _, b := range db.backends {
-		if err := b.InsertGroupMessage(m); err != nil {
-			return errors.Wrap(err, "insert message to backend error")
-		}
-	}
-	return nil
-}
-
-func (db *MultiDBImpl) InsertPrivateMessage(m *StoredPrivateMessage) error {
-	for _, b := range db.backends {
-		if err := b.InsertPrivateMessage(m); err != nil {
-			return errors.Wrap(err, "insert message to backend error")
-		}
-	}
-	return nil
-}
--- a/go.mod
+++ b/go.mod
@ -11,7 +11,6 @@ require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/fumiama/go-hide-param v0.1.4
 	github.com/gabriel-vasile/mimetype v1.3.1
-	github.com/gorilla/websocket v1.4.2
 	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
 	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible
 	github.com/pkg/errors v0.9.1
@ -22,20 +21,20 @@ require (
 	github.com/tidwall/gjson v1.8.1
 	github.com/tuotoo/qrcode v0.0.0-20190222102259-ac9c44189bf2
 	github.com/wdvxdr1123/go-silk v0.0.0-20210316130616-d47b553def60
-	go.mongodb.org/mongo-driver v1.7.2
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5
 	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b
 	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
+	nhooyr.io/websocket v1.8.7
 )

 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
-	github.com/golang/snappy v0.0.1 // indirect
+	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
 	github.com/google/uuid v1.1.1 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
 	github.com/jonboulle/clockwork v0.2.2 // indirect
-	github.com/klauspost/compress v1.9.5 // indirect
+	github.com/klauspost/compress v1.10.3 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.6 // indirect
 	github.com/lestrrat-go/strftime v1.0.5 // indirect
 	github.com/maruel/rs v0.0.0-20150922171536-2c81c4312fe4 // indirect
@ -47,14 +46,9 @@ require (
 	github.com/tidwall/match v1.0.3 // indirect
 	github.com/tidwall/pretty v1.1.0 // indirect
 	github.com/willf/bitset v1.2.0 // indirect
-	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
-	github.com/xdg-go/scram v1.0.2 // indirect
-	github.com/xdg-go/stringprep v1.0.2 // indirect
-	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
 	golang.org/x/net v0.0.0-20210505024714-0287a6fb4125 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
-	golang.org/x/text v0.3.6 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	modernc.org/libc v1.8.1 // indirect
 	modernc.org/mathutil v1.2.2 // indirect
--- a/go.sum
+++ b/go.sum
@ -22,36 +22,29 @@ github.com/fumiama/go-hide-param v0.1.4 h1:y7TRTzZMdCH9GOXnIzU3B+1BSkcmvejVGmGsz
 github.com/fumiama/go-hide-param v0.1.4/go.mod h1:vJkQlJIEI56nIyp7tCQu1/2QOyKtZpudsnJkGk9U1aY=
 github.com/gabriel-vasile/mimetype v1.3.1 h1:qevA6c2MtE1RorlScnixeG0VA1H4xrXyhyX3oWBynNQ=
 github.com/gabriel-vasile/mimetype v1.3.1/go.mod h1:fA8fi6KUiG7MgQQ+mEWotXoEOvmxRtOJlERCzSmRvr8=
-github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
-github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gobuffalo/attrs v0.0.0-20190224210810-a9411de4debd/go.mod h1:4duuawTqi2wkkpB4ePgWMaai6/Kc6WEz83bhFwpHzj0=
-github.com/gobuffalo/depgen v0.0.0-20190329151759-d478694a28d3/go.mod h1:3STtPUQYuzV0gBVOY3vy6CfMm/ljR4pABfrTeHNLHUY=
-github.com/gobuffalo/depgen v0.1.0/go.mod h1:+ifsuy7fhi15RWncXQQKjWS9JPkdah5sZvtHc2RXGlg=
-github.com/gobuffalo/envy v1.6.15/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI=
-github.com/gobuffalo/envy v1.7.0/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI=
-github.com/gobuffalo/flect v0.1.0/go.mod h1:d2ehjJqGOH/Kjqcoz+F7jHTBbmDb38yXA598Hb50EGs=
-github.com/gobuffalo/flect v0.1.1/go.mod h1:8JCgGVbRjJhVgD6399mQr4fx5rRfGKVzFjbj6RE/9UI=
-github.com/gobuffalo/flect v0.1.3/go.mod h1:8JCgGVbRjJhVgD6399mQr4fx5rRfGKVzFjbj6RE/9UI=
-github.com/gobuffalo/genny v0.0.0-20190329151137-27723ad26ef9/go.mod h1:rWs4Z12d1Zbf19rlsn0nurr75KqhYp52EAGGxTbBhNk=
-github.com/gobuffalo/genny v0.0.0-20190403191548-3ca520ef0d9e/go.mod h1:80lIj3kVJWwOrXWWMRzzdhW3DsrdjILVil/SFKBzF28=
-github.com/gobuffalo/genny v0.1.0/go.mod h1:XidbUqzak3lHdS//TPu2OgiFB+51Ur5f7CSnXZ/JDvo=
-github.com/gobuffalo/genny v0.1.1/go.mod h1:5TExbEyY48pfunL4QSXxlDOmdsD44RRq4mVZ0Ex28Xk=
-github.com/gobuffalo/gitgen v0.0.0-20190315122116-cc086187d211/go.mod h1:vEHJk/E9DmhejeLeNt7UVvlSGv3ziL+djtTr3yyzcOw=
-github.com/gobuffalo/gogen v0.0.0-20190315121717-8f38393713f5/go.mod h1:V9QVDIxsgKNZs6L2IYiGR8datgMhB577vzTDqypH360=
-github.com/gobuffalo/gogen v0.1.0/go.mod h1:8NTelM5qd8RZ15VjQTFkAW6qOMx5wBbW4dSCS3BY8gg=
-github.com/gobuffalo/gogen v0.1.1/go.mod h1:y8iBtmHmGc4qa3urIyo1shvOD8JftTtfcKi+71xfDNE=
-github.com/gobuffalo/logger v0.0.0-20190315122211-86e12af44bc2/go.mod h1:QdxcLw541hSGtBnhUc4gaNIXRjiDppFGaDqzbrBd3v8=
-github.com/gobuffalo/mapi v1.0.1/go.mod h1:4VAGh89y6rVOvm5A8fKFxYG+wIW6LO1FMTG9hnKStFc=
-github.com/gobuffalo/mapi v1.0.2/go.mod h1:4VAGh89y6rVOvm5A8fKFxYG+wIW6LO1FMTG9hnKStFc=
-github.com/gobuffalo/packd v0.0.0-20190315124812-a385830c7fc0/go.mod h1:M2Juc+hhDXf/PnmBANFCqx4DM3wRbgDvnVWeG2RIxq4=
-github.com/gobuffalo/packd v0.1.0/go.mod h1:M2Juc+hhDXf/PnmBANFCqx4DM3wRbgDvnVWeG2RIxq4=
-github.com/gobuffalo/packr/v2 v2.0.9/go.mod h1:emmyGweYTm6Kdper+iywB6YK5YzuKchGtJQZ0Odn4pQ=
-github.com/gobuffalo/packr/v2 v2.2.0/go.mod h1:CaAwI0GPIAv+5wKLtv8Afwl+Cm78K/I/VCm/3ptBN+0=
-github.com/gobuffalo/syncx v0.0.0-20190224160051-33c29581e754/go.mod h1:HhnNqWY95UYwwW3uSASeV7vtgYkT2t16hJgV3AEPUpw=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
+github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.6.3 h1:ahKqKTFpO5KTPHxWZjEdPScmYaGtLo8Y4DMHoEsnp14=
+github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
+github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
+github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
+github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
+github.com/go-playground/validator/v10 v10.2.0 h1:KgJ0snyC2R9VXYN2rneOtQcw5aHQB1Vv0sFl1UcHBOY=
+github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
+github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee h1:s+21KNqlpePfkah2I+gwHF8xmJWRjooY+5248k6m4A0=
+github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=
+github.com/gobwas/pool v0.2.0 h1:QEmUOlnSjWtnpRGHF3SauEiOsy82Cup83Vf2LcMlnc8=
+github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
+github.com/gobwas/ws v1.0.2 h1:CoAavW/wd/kulfZmSIBt6p24n4j7tHgNVCjsfHVNUbo=
+github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
 github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
@ -59,65 +52,58 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db h1:woRePGFeVFfLKN/pOkfl+p/TAqKOfFu+7KPlMVpok/w=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
-github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/uuid v1.1.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
 github.com/jonboulle/clockwork v0.2.2 h1:UOGuzwb1PwsrDAObMuhUnj0p5ULPj8V/xJ7Kx9qUBdQ=
 github.com/jonboulle/clockwork v0.2.2/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
+github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
+github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 h1:iQTw/8FWTuc7uiaSepXwyf3o52HaUYcV+Tu66S3F5GA=
 github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8=
-github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaRPx4tDPEn4=
-github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
-github.com/klauspost/compress v1.9.5 h1:U+CaK85mrNNb4k8BNOfgJtJ/gr6kswUCFj6miSzVC6M=
-github.com/klauspost/compress v1.9.5/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
+github.com/klauspost/compress v1.10.3 h1:OP96hzwJVBIHYU52pVTI6CczrxPvrGfgqF9N5eTO0Q8=
+github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/cpuid/v2 v2.0.6 h1:dQ5ueTiftKxp0gyjKSx5+8BtPWkyQbd95m8Gys/RarI=
 github.com/klauspost/cpuid/v2 v2.0.6/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
+github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
 github.com/lestrrat-go/envload v0.0.0-20180220234015-a3eb8ddeffcc h1:RKf14vYWi2ttpEmkA4aQ3j4u9dStX2t4M8UM6qqNsG8=
 github.com/lestrrat-go/envload v0.0.0-20180220234015-a3eb8ddeffcc/go.mod h1:kopuH9ugFRkIXf3YoqHKyrJ9YfUFsckUU9S7B+XP+is=
 github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible h1:Y6sqxHMyB1D2YSzWkLibYKgg+SwmyFU9dF2hn6MdTj4=
 github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible/go.mod h1:ZQnN8lSECaebrkQytbHj4xNgtg8CR7RYXnPok8e0EHA=
 github.com/lestrrat-go/strftime v1.0.5 h1:A7H3tT8DhTz8u65w+JRpiBxM4dINQhUXAZnhBa2xeOE=
 github.com/lestrrat-go/strftime v1.0.5/go.mod h1:E1nN3pCbtMSu1yjSVeyuRFVm/U0xoR76fd03sz+Qz4g=
-github.com/markbates/oncer v0.0.0-20181203154359-bf2de49a0be2/go.mod h1:Ld9puTsIW75CHf65OeIOkyKbteujpZVXDpWK6YGZbxE=
-github.com/markbates/safe v1.0.1/go.mod h1:nAqgmRi7cY2nqMc92/bSEeQA+R4OheNU2T1kNSCBdG0=
 github.com/maruel/rs v0.0.0-20150922171536-2c81c4312fe4 h1:u9jwvcKbQpghIXgNl/EOL8hzhAFXh4ePrEP493W3tNA=
 github.com/maruel/rs v0.0.0-20150922171536-2c81c4312fe4/go.mod h1:kcRFpEzolcEklV6rD7W95mG49/sbdX/PlFmd7ni3RvA=
 github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
 github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs=
 github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.3 h1:RE1xgDvH7imwFD45h+u2SgIfERHlS2yNG4DObb5BSKU=
 github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/pelletier/go-toml v1.7.0/go.mod h1:vwGMzjaWMwyfHwgIBhI2YUM4fB6nL6lVAvS1LBMMhTE=
-github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@ -126,26 +112,17 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
-github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/rogpeppe/go-internal v1.2.2/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/segmentio/asm v1.0.0 h1:GMF7/2eLkte13LERSOmPI766AJXJDRlsqqiN8T7Mfmk=
 github.com/segmentio/asm v1.0.0/go.mod h1:4EUJGaKsB8ImLUwOGORVsNd9vTRDeh44JGsY4aKp5I4=
-github.com/sirupsen/logrus v1.4.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
-github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
-github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
-github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
-github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
@ -154,27 +131,17 @@ github.com/tidwall/gjson v1.8.1 h1:8j5EE9Hrh3l9Od1OIEDAb7IpezNA20UdRngNAj5N0WU=
 github.com/tidwall/gjson v1.8.1/go.mod h1:5/xDoumyyDNerp2U36lyolv46b3uF/9Bu6OfyQ9GImk=
 github.com/tidwall/match v1.0.3 h1:FQUVvBImDutD8wJLN6c5eMzWtjgONK9MwIBCOrUJKeE=
 github.com/tidwall/match v1.0.3/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
-github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 github.com/tidwall/pretty v1.1.0 h1:K3hMW5epkdAVwibsQEfR/7Zj0Qgt4DxtNumTq/VloO8=
 github.com/tidwall/pretty v1.1.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 github.com/tuotoo/qrcode v0.0.0-20190222102259-ac9c44189bf2 h1:BWVtt2VBY+lmVDu9MGKqLGKl04B+iRHcrW1Ptyi/8tg=
 github.com/tuotoo/qrcode v0.0.0-20190222102259-ac9c44189bf2/go.mod h1:lPnW9HVS0vJdeYyQtOvIvlXgZPNhUAhwz+z5r8AJk0Y=
+github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
+github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
+github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
+github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
 github.com/wdvxdr1123/go-silk v0.0.0-20210316130616-d47b553def60 h1:lRKf10iIOW0VsH5WDF621ihzR+R2wEBZVtNRHuLLCb4=
 github.com/wdvxdr1123/go-silk v0.0.0-20210316130616-d47b553def60/go.mod h1:ecFKZPX81BaB70I6ruUgEwYcDOtuNgJGnjdK+MIl5ko=
-github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
-github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
-github.com/xdg-go/scram v1.0.2 h1:akYIkZ28e6A96dkWNJQu3nmCzH3YfwMPQExUYDaRv7w=
-github.com/xdg-go/scram v1.0.2/go.mod h1:1WAq6h33pAW+iRreB34OORO2Nf7qel3VV3fjBj+hCSs=
-github.com/xdg-go/stringprep v1.0.2 h1:6iq84/ryjjeRmMJwxutI51F2GIPlP5BfTvXHeYjyhBc=
-github.com/xdg-go/stringprep v1.0.2/go.mod h1:8F9zXuvzgwmyT5DUm4GUfZGDdT3W+LCvS6+da4O5kxM=
-github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d h1:splanxYIlg+5LfHAM6xpdFEAYOk8iySO56hMFq6uLyA=
-github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA=
-go.mongodb.org/mongo-driver v1.7.2 h1:pFttQyIiJUHEn50YfZgC9ECjITMT44oiN36uArf/OFg=
-go.mongodb.org/mongo-driver v1.7.2/go.mod h1:Q4oFMbo1+MSNqICAdYMlC/zSTrwCogR4R8NzkI+yfU8=
-golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190422162423-af44ce270edf/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
-golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 h1:HWj/xjIHfjYU5nVXpTM0s39J9CbLn7Cc5a7IC5rwsMQ=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@ -186,28 +153,18 @@ golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210505024714-0287a6fb4125 h1:Ugb8sMTWuWRC3+sz5WeN/4kejDx9BvIwnPUiJBjJE+8=
 golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190419153524-e8e3143a4f4a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -221,21 +178,18 @@ golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9sn
 golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b h1:9zKuko04nR4gjZ4+DNjHqRlAJqbJETHwiNKDqTfOjfE=
 golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac h1:7zkz7BUtwNFFqcowJ+RIgu2MaV/MapERkDIy+mwPyjs=
 golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190329151228-23e29df326fe/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190416151739-9c9e1878f421/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190420181800-aa740d480789/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.0.0-20190531172133-b3315ee88b7d/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
@ -257,15 +211,14 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
@ -280,3 +233,5 @@ modernc.org/mathutil v1.2.2 h1:+yFk8hBprV+4c0U9GjFtL+dV3N8hOJ8JCituQcMShFY=
 modernc.org/mathutil v1.2.2/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
 modernc.org/memory v1.0.4 h1:utMBrFcpnQDdNsmM6asmyH/FM9TqLPS7XF7otpJmrwM=
 modernc.org/memory v1.0.4/go.mod h1:nV2OApxradM3/OVbs2/0OsP6nPfakXpi50C7dcoHXlc=
+nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
+nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
--- a/internal/btree/btree.go
+++ b/internal/btree/btree.go
@ -1,524 +0,0 @@
-// Package btree provide a disk-based btree
-package btree
-
-import (
-	"io"
-	"math/rand"
-	"os"
-	"unsafe"
-
-	"github.com/pkg/errors"
-)
-
-const (
-	hashSize        = 16 // md5 hash
-	tableSize       = (1024 - 1) / int(unsafe.Sizeof(item{}))
-	cacheSlots      = 11 // prime
-	superSize       = int(unsafe.Sizeof(super{}))
-	tableStructSize = int(unsafe.Sizeof(table{}))
-)
-
-type item struct {
-	hash   [hashSize]byte
-	offset int64
-	child  int64
-}
-
-type table struct {
-	items [tableSize]item
-	size  int
-}
-
-type cache struct {
-	table  *table
-	offset int64
-}
-
-type super struct {
-	top     int64
-	freeTop int64
-	alloc   int64
-}
-
-// DB ...
-type DB struct {
-	fd      *os.File
-	top     int64
-	freeTop int64
-	alloc   int64
-	cache   [cacheSlots]cache
-
-	inAllocator  bool
-	deleteLarger bool
-	fqueue       [freeQueueLen]chunk
-	fqueueLen    int
-}
-
-func (d *DB) get(offset int64) *table {
-	assert(offset != 0)
-
-	// take from cache
-	slot := &d.cache[offset%cacheSlots]
-	if slot.offset == offset {
-		return slot.table
-	}
-
-	table := new(table)
-
-	d.fd.Seek(offset, io.SeekStart)
-	err := readTable(d.fd, table)
-	if err != nil {
-		panic(errors.Wrap(err, "btree I/O error"))
-	}
-	return table
-}
-
-func (d *DB) put(t *table, offset int64) {
-	assert(offset != 0)
-
-	// overwrite cache
-	slot := &d.cache[offset%cacheSlots]
-	slot.table = t
-	slot.offset = offset
-}
-
-func (d *DB) flush(t *table, offset int64) {
-	assert(offset != 0)
-
-	d.fd.Seek(offset, io.SeekStart)
-	err := writeTable(d.fd, t)
-	if err != nil {
-		panic(errors.Wrap(err, "btree I/O error"))
-	}
-	d.put(t, offset)
-}
-
-func (d *DB) flushSuper() {
-	d.fd.Seek(0, io.SeekStart)
-	super := super{
-		top:     d.top,
-		freeTop: d.freeTop,
-		alloc:   d.alloc,
-	}
-	err := writeSuper(d.fd, &super)
-	if err != nil {
-		panic(errors.Wrap(err, "btree I/O error"))
-	}
-}
-
-// Open opens an existed btree file
-func Open(name string) (*DB, error) {
-	btree := new(DB)
-	fd, err := os.OpenFile(name, os.O_RDWR, 0o644)
-	if err != nil {
-		return nil, errors.Wrap(err, "btree open file failed")
-	}
-	btree.fd = fd
-
-	super := super{}
-	err = readSuper(fd, &super)
-	btree.top = super.top
-	btree.freeTop = super.freeTop
-	btree.alloc = super.alloc
-	return btree, errors.Wrap(err, "btree read meta info failed")
-}
-
-// Create creates a database
-func Create(name string) (*DB, error) {
-	btree := new(DB)
-	fd, err := os.OpenFile(name, os.O_RDWR|os.O_TRUNC|os.O_CREATE, 0o644)
-	if err != nil {
-		return nil, errors.Wrap(err, "btree open file failed")
-	}
-
-	btree.fd = fd
-	btree.alloc = int64(superSize)
-	btree.flushSuper()
-	return btree, nil
-}
-
-// Close closes the database
-func (d *DB) Close() error {
-	_ = d.fd.Sync()
-	err := d.fd.Close()
-	for i := 0; i < cacheSlots; i++ {
-		d.cache[i] = cache{}
-	}
-	return errors.Wrap(err, "btree close failed")
-}
-
-func collapse(bt *DB, offset int64) int64 {
-	table := bt.get(offset)
-	if table.size != 0 {
-		/* unable to collapse */
-		bt.put(table, offset)
-		return offset
-	}
-	ret := table.items[0].child
-	bt.put(table, offset)
-
-	/*
-	 * WARNING: this is dangerous as the chunk is added to allocation tree
-	 * before the references to it are removed!
-	 */
-	bt.freeChunk(offset, int(unsafe.Sizeof(table)))
-	return ret
-}
-
-// split a table. The pivot item is stored to 'hash' and 'offset'.
-// Returns offset to the new table.
-func (d *DB) split(t *table, hash *byte, offset *int64) int64 {
-	copyhash(hash, &t.items[tableSize/2].hash[0])
-	*offset = t.items[tableSize/2].offset
-
-	ntable := new(table)
-	ntable.size = t.size - tableSize/2 - 1
-
-	t.size = tableSize / 2
-
-	copy(ntable.items[:ntable.size+1], t.items[tableSize/2+1:])
-
-	noff := d.allocChunk(tableStructSize)
-	d.flush(ntable, noff)
-
-	// make sure data is written before a reference is added to it
-	_ = d.fd.Sync()
-	return noff
-}
-
-// takeSmallest find and remove the smallest item from the given table. The key of the item
-// is stored to 'hash'. Returns offset to the item
-func (d *DB) takeSmallest(toff int64, sha1 *byte) int64 {
-	table := d.get(toff)
-	assert(table.size > 0)
-
-	var off int64
-	child := table.items[0].child
-	if child == 0 {
-		off = d.remove(table, 0, sha1)
-	} else {
-		/* recursion */
-		off = d.takeSmallest(child, sha1)
-		table.items[0].child = collapse(d, child)
-	}
-	d.flush(table, toff)
-
-	// make sure data is written before a reference is added to it
-	_ = d.fd.Sync()
-	return off
-}
-
-// takeLargest find and remove the largest item from the given table. The key of the item
-// is stored to 'hash'. Returns offset to the item
-func (d *DB) takeLargest(toff int64, hash *byte) int64 {
-	table := d.get(toff)
-	assert(table.size > 0)
-
-	var off int64
-	child := table.items[table.size].child
-	if child == 0 {
-		off = d.remove(table, table.size-1, hash)
-	} else {
-		/* recursion */
-		off = d.takeLargest(child, hash)
-		table.items[table.size].child = collapse(d, child)
-	}
-	d.flush(table, toff)
-
-	// make sure data is written before a reference is added to it
-	_ = d.fd.Sync()
-	return off
-}
-
-// remove an item in position 'i' from the given table. The key of the
-// removed item is stored to 'hash'. Returns offset to the item.
-func (d *DB) remove(t *table, i int, hash *byte) int64 {
-	assert(i < t.size)
-
-	if hash != nil {
-		copyhash(hash, &t.items[i].hash[0])
-	}
-
-	offset := t.items[i].offset
-	lc := t.items[i].child
-	rc := t.items[i+1].child
-
-	if lc != 0 && rc != 0 {
-		/* replace the removed item by taking an item from one of the
-		   child tables */
-		var noff int64
-		if rand.Int()&1 != 0 {
-			noff = d.takeLargest(lc, &t.items[i].hash[0])
-			t.items[i].child = collapse(d, lc)
-		} else {
-			noff = d.takeSmallest(rc, &t.items[i].hash[0])
-			t.items[i+1].child = collapse(d, rc)
-		}
-		t.items[i].child = noff
-	} else {
-		// memmove(&table->items[i], &table->items[i + 1],
-		//	(table->size - i) * sizeof(struct btree_item));
-		copy(t.items[i:], t.items[i+1:])
-		t.size--
-
-		if lc != 0 {
-			t.items[i].child = lc
-		} else {
-			t.items[i].child = rc
-		}
-	}
-	return offset
-}
-
-func (d *DB) insert(toff int64, hash *byte, data []byte, size int) int64 {
-	table := d.get(toff)
-	assert(table.size < tableSize-1)
-
-	left, right := 0, table.size
-	for left < right {
-		mid := (right-left)>>1 + left
-		switch cmp := cmp(hash, &table.items[mid].hash[0]); {
-		case cmp == 0:
-			// already in the table
-			ret := table.items[mid].offset
-			d.put(table, toff)
-			return ret
-		case cmp < 0:
-			right = mid
-		default:
-			left = mid + 1
-		}
-	}
-	i := left
-
-	var off, rc, ret int64
-	lc := table.items[i].child
-	if lc != 0 {
-		/* recursion */
-		ret = d.insert(lc, hash, data, size)
-
-		/* check if we need to split */
-		child := d.get(lc)
-		if child.size < tableSize-1 {
-			/* nothing to do */
-			d.put(table, toff)
-			d.put(child, lc)
-			return ret
-		}
-		/* overwrites SHA-1 */
-		rc = d.split(child, hash, &off)
-		/* flush just in case changes happened */
-		d.flush(child, lc)
-
-		// make sure data is written before a reference is added to it
-		_ = d.fd.Sync()
-	} else {
-		off = d.insertData(data, size)
-		ret = off
-	}
-
-	table.size++
-	// memmove(&table->items[i + 1], &table->items[i],
-	//  (table->size - i) * sizeof(struct btree_item));
-	copy(table.items[i+1:], table.items[i:])
-	copyhash(&table.items[i].hash[0], hash)
-	table.items[i].offset = off
-	table.items[i].child = lc
-	table.items[i+1].child = rc
-
-	d.flush(table, toff)
-	return ret
-}
-
-func (d *DB) insertData(data []byte, size int) int64 {
-	if data == nil {
-		return int64(size)
-	}
-	assert(len(data) == size)
-
-	offset := d.allocChunk(4 + len(data))
-
-	d.fd.Seek(offset, io.SeekStart)
-	err := write32(d.fd, int32(len(data)))
-	if err != nil {
-		panic(errors.Wrap(err, "btree I/O error"))
-	}
-	_, err = d.fd.Write(data)
-	if err != nil {
-		panic(errors.Wrap(err, "btree I/O error"))
-	}
-
-	// make sure data is written before a reference is added to it
-	_ = d.fd.Sync()
-	return offset
-}
-
-// delete remove an item with key 'hash' from the given table. The offset to the
-// removed item is returned.
-// Please note that 'hash' is overwritten when called inside the allocator.
-func (d *DB) delete(offset int64, hash *byte) int64 {
-	if offset == 0 {
-		return 0
-	}
-	table := d.get(offset)
-
-	left, right := 0, table.size
-	for left < right {
-		i := (right-left)>>1 + left
-		switch cmp := cmp(hash, &table.items[i].hash[0]); {
-		case cmp == 0:
-			// found
-			ret := d.remove(table, i, hash)
-			d.flush(table, offset)
-			return ret
-		case cmp < 0:
-			right = i
-		default:
-			left = i + 1
-		}
-	}
-
-	// not found - recursion
-	i := left
-	child := table.items[i].child
-	ret := d.delete(child, hash)
-	if ret != 0 {
-		table.items[i].child = collapse(d, child)
-	}
-
-	if ret == 0 && d.deleteLarger && i < table.size {
-		ret = d.remove(table, i, hash)
-	}
-	if ret != 0 {
-		/* flush just in case changes happened */
-		d.flush(table, offset)
-	} else {
-		d.put(table, offset)
-	}
-	return ret
-}
-
-func (d *DB) insertTopLevel(toff *int64, hash *byte, data []byte, size int) int64 { // nolint:unparam
-	var off, ret, rc int64
-	if *toff != 0 {
-		ret = d.insert(*toff, hash, data, size)
-
-		/* check if we need to split */
-		table := d.get(*toff)
-		if table.size < tableSize-1 {
-			/* nothing to do */
-			d.put(table, *toff)
-			return ret
-		}
-		rc = d.split(table, hash, &off)
-		d.flush(table, *toff)
-	} else {
-		off = d.insertData(data, size)
-		ret = off
-	}
-
-	/* create new top level table */
-	t := new(table)
-	t.size = 1
-	copyhash(&t.items[0].hash[0], hash)
-	t.items[0].offset = off
-	t.items[0].child = *toff
-	t.items[1].child = rc
-
-	ntoff := d.allocChunk(tableStructSize)
-	d.flush(t, ntoff)
-
-	*toff = ntoff
-
-	// make sure data is written before a reference is added to it
-	_ = d.fd.Sync()
-	return ret
-}
-
-func (d *DB) lookup(toff int64, hash *byte) int64 {
-	if toff == 0 {
-		return 0
-	}
-	table := d.get(toff)
-
-	left, right := 0, table.size
-	for left < right {
-		mid := (right-left)>>1 + left
-		switch cmp := cmp(hash, &table.items[mid].hash[0]); {
-		case cmp == 0:
-			// found
-			ret := table.items[mid].offset
-			d.put(table, toff)
-			return ret
-		case cmp < 0:
-			right = mid
-		default:
-			left = mid + 1
-		}
-	}
-
-	i := left
-	child := table.items[i].child
-	d.put(table, toff)
-	return d.lookup(child, hash)
-}
-
-// Insert a new item with key 'hash' with the contents in 'data' to the
-// database file.
-func (d *DB) Insert(chash *byte, data []byte) {
-	/* SHA-1 must be in writable memory */
-	var hash [hashSize]byte
-	copyhash(&hash[0], chash)
-
-	_ = d.insertTopLevel(&d.top, &hash[0], data, len(data))
-	freeQueued(d)
-	d.flushSuper()
-}
-
-// Get look up item with the given key 'hash' in the database file. Length of the
-// item is stored in 'len'. Returns a pointer to the contents of the item.
-// The returned pointer should be released with free() after use.
-func (d *DB) Get(hash *byte) []byte {
-	off := d.lookup(d.top, hash)
-	if off == 0 {
-		return nil
-	}
-
-	d.fd.Seek(off, io.SeekStart)
-	length, err := read32(d.fd)
-	if err != nil {
-		return nil
-	}
-	data := make([]byte, length)
-	n, err := io.ReadFull(d.fd, data)
-	if err != nil {
-		return nil
-	}
-	return data[:n]
-}
-
-// Delete remove item with the given key 'hash' from the database file.
-func (d *DB) Delete(hash *byte) error {
-	var h [hashSize]byte
-	copyhash(&h[0], hash)
-
-	off := d.delete(d.top, &h[0])
-	if off == 0 {
-		return nil // not found key
-	}
-
-	d.top = collapse(d, d.top)
-	freeQueued(d)
-	d.flushSuper()
-
-	d.fd.Seek(off, io.SeekStart)
-	length, err := read32(d.fd) // len: 0
-	if err != nil {
-		return errors.Wrap(err, "btree I/O error")
-	}
-
-	d.freeChunk(off, int(length+4))
-	freeQueued(d)
-	d.flushSuper()
-	return nil
-}
--- a/internal/btree/btree_test.go
+++ b/internal/btree/btree_test.go
@ -1,61 +0,0 @@
-package btree
-
-import (
-	"crypto/sha1"
-	"os"
-	"testing"
-
-	assert2 "github.com/stretchr/testify/assert"
-)
-
-func tempfile(t *testing.T) string {
-	temp, err := os.CreateTemp(".", "temp.*.db")
-	assert2.NoError(t, temp.Close())
-	assert2.NoError(t, err)
-	return temp.Name()
-}
-
-func TestCreate(t *testing.T) {
-	f := tempfile(t)
-	_, err := Create(f)
-	assert2.NoError(t, err)
-	defer os.Remove(f)
-}
-
-func TestBtree(t *testing.T) {
-	f := tempfile(t)
-	defer os.Remove(f)
-	bt, err := Create(f)
-	assert2.NoError(t, err)
-
-	var tests = []string{
-		"hello world",
-		"123",
-		"We are met on a great battle-field of that war.",
-		"Abraham Lincoln, November 19, 1863, Gettysburg, Pennsylvania",
-	}
-	var sha = make([]*byte, len(tests))
-	for i, tt := range tests {
-		var hash = sha1.New()
-		hash.Write([]byte(tt))
-		sha[i] = &hash.Sum(nil)[0]
-		bt.Insert(sha[i], []byte(tt))
-	}
-	assert2.NoError(t, bt.Close())
-
-	bt, err = Open(f)
-	assert2.NoError(t, err)
-	for i, tt := range tests {
-		assert2.Equal(t, []byte(tt), bt.Get(sha[i]))
-	}
-
-	for i := range tests {
-		assert2.NoError(t, bt.Delete(sha[i]))
-	}
-
-	for i := range tests {
-		assert2.Equal(t, []byte(nil), bt.Get(sha[i]))
-	}
-
-	assert2.NoError(t, bt.Close())
-}
--- a/internal/btree/chunk.go
+++ b/internal/btree/chunk.go
@ -1,122 +0,0 @@
-package btree
-
-import (
-	"math/rand"
-	"unsafe"
-)
-
-type chunk struct {
-	offset int64
-	len    int
-}
-
-const freeQueueLen = 64
-
-func freeQueued(bt *DB) {
-	for i := 0; i < bt.fqueueLen; i++ {
-		chunk := &bt.fqueue[i]
-		bt.freeChunk(chunk.offset, chunk.len)
-	}
-	bt.fqueueLen = 0
-}
-
-func (d *DB) allocChunk(size int) int64 {
-	assert(size > 0)
-
-	size = power2(size)
-
-	var offset int64
-	if d.inAllocator {
-		const i32s = unsafe.Sizeof(int32(0))
-
-		/* create fake size SHA-1 */
-		var sha1 [hashSize]byte
-		p := unsafe.Pointer(&sha1[0])
-		*(*int32)(p) = -1                              // *(uint32_t *) hash = -1;
-		*(*uint32)(unsafe.Add(p, i32s)) = uint32(size) // ((__be32 *) hash)[1] = to_be32(size);
-
-		/* find free chunk with the larger or the same size/SHA-1 */
-		d.inAllocator = true
-		d.deleteLarger = true
-		offset = d.delete(d.freeTop, &sha1[0])
-		d.deleteLarger = false
-		if offset != 0 {
-			assert(*(*int32)(p) == -1)                   // assert(*(uint32_t *) hash == (uint32_t) -1)
-			flen := int(*(*uint32)(unsafe.Add(p, i32s))) // size_t free_len = from_be32(((__be32 *) hash)[1])
-			assert(power2(flen) == flen)
-			assert(flen >= size)
-
-			/* delete buddy information */
-			resethash(&sha1[0])
-			*(*int64)(p) = offset
-			buddyLen := d.delete(d.freeTop, &sha1[0])
-			assert(buddyLen == int64(size))
-
-			d.freeTop = collapse(d, d.freeTop)
-
-			d.inAllocator = false
-
-			/* free extra space at the end of the chunk */
-			for flen > size {
-				flen >>= 1
-				d.freeChunk(offset+int64(flen), flen)
-			}
-		} else {
-			d.inAllocator = false
-		}
-	}
-	if offset == 0 {
-		/* not found, allocate from the end of the file */
-		offset = d.alloc
-		/* TODO: this wastes memory.. */
-		if offset&int64(size-1) != 0 {
-			offset += int64(size) - (offset & (int64(size) - 1))
-		}
-		d.alloc = offset + int64(size)
-	}
-	d.flushSuper()
-
-	// make sure the allocation tree is up-to-date before using the chunk
-	_ = d.fd.Sync()
-	return offset
-}
-
-/* Mark a chunk as unused in the database file */
-func (d *DB) freeChunk(offset int64, size int) {
-	assert(size > 0)
-	assert(offset != 0)
-	size = power2(size)
-	assert(offset&int64(size-1) == 0)
-
-	if d.inAllocator {
-		chunk := &d.fqueue[d.fqueueLen]
-		d.fqueueLen++
-		chunk.offset = offset
-		chunk.len = size
-		return
-	}
-
-	/* create fake offset SHA-1 for buddy allocation */
-	var sha1 [hashSize]byte
-	p := unsafe.Pointer(&sha1[0])
-	d.inAllocator = true
-
-	const i32s = unsafe.Sizeof(int32(0))
-
-	/* add buddy information */
-	resethash(&sha1[0])
-	*(*int32)(p) = -1                                 // *(uint32_t *) hash = -1;
-	*(*uint32)(unsafe.Add(p, i32s)) = uint32(size)    // ((__be32 *) hash)[1] = to_be32(size);
-	*(*uint32)(unsafe.Add(p, i32s*2)) = rand.Uint32() /* to make SHA-1 unique */
-	*(*uint32)(unsafe.Add(p, i32s*3)) = rand.Uint32()
-
-	// insert_toplevel(btree, &btree->free_top, hash, NULL, offset);
-	_ = d.insertTopLevel(&d.freeTop, &sha1[0], nil, int(offset))
-	d.inAllocator = false
-
-	d.flushSuper()
-
-	// make sure the allocation tree is up-to-date before removing
-	// references to the chunk
-	_ = d.fd.Sync()
-}
--- a/internal/btree/helper.go
+++ b/internal/btree/helper.go
@ -1,106 +0,0 @@
-package btree
-
-import (
-	"io"
-	"reflect"
-	"unsafe"
-)
-
-func assert(cond bool) {
-	if !cond {
-		panic("assert failed!")
-	}
-}
-
-// power2 returns a value that is greater or equal to 'val' and is power-of-two.
-func power2(val int) int {
-	i := 1
-	for i < val {
-		i <<= 1
-	}
-	return i
-}
-
-// helpers for hash
-
-func cmp(a, b *byte) int64 {
-	pa, pb := unsafe.Pointer(a), unsafe.Pointer(b)
-	if *(*uint64)(pa) != *(*uint64)(pb) {
-		return int64(*(*uint64)(pa) - *(*uint64)(pb))
-	}
-	pa, pb = unsafe.Add(pa, 8), unsafe.Add(pb, 8)
-	return int64(*(*uint64)(pa) - *(*uint64)(pb))
-}
-
-func copyhash(dst *byte, src *byte) {
-	pa, pb := unsafe.Pointer(dst), unsafe.Pointer(src)
-	*(*[hashSize]byte)(pa) = *(*[hashSize]byte)(pb)
-}
-
-func resethash(sha1 *byte) {
-	p := unsafe.Pointer(sha1)
-	*(*[hashSize]byte)(p) = [hashSize]byte{}
-}
-
-// reading table
-
-func read32(r io.Reader) (int32, error) {
-	var b = make([]byte, 4)
-	_, err := r.Read(b)
-	if err != nil {
-		return 0, err
-	}
-	return *(*int32)(unsafe.Pointer(&b[0])), nil
-}
-
-func readTable(r io.Reader, t *table) error {
-	buf := make([]byte, tableStructSize)
-	_, err := r.Read(buf)
-	if err != nil {
-		return err
-	}
-	*t = *(*table)(unsafe.Pointer(&buf[0]))
-	return nil
-}
-
-func readSuper(r io.Reader, s *super) error {
-	buf := make([]byte, superSize)
-	_, err := r.Read(buf)
-	if err != nil {
-		return err
-	}
-	*s = *(*super)(unsafe.Pointer(&buf[0]))
-	return nil
-}
-
-// write table
-
-func write32(w io.Writer, t int32) error {
-	var p []byte
-	ph := (*reflect.SliceHeader)(unsafe.Pointer(&p))
-	ph.Data = uintptr(unsafe.Pointer(&t))
-	ph.Len = 4
-	ph.Cap = 4
-	_, err := w.Write(p)
-	return err
-}
-
-func writeTable(w io.Writer, t *table) error {
-	var p []byte
-	ph := (*reflect.SliceHeader)(unsafe.Pointer(&p))
-	ph.Data = uintptr(unsafe.Pointer(t))
-	ph.Len = tableStructSize
-	ph.Cap = tableStructSize
-	_, err := w.Write(p)
-	return err
-}
-
-func writeSuper(w io.Writer, s *super) error {
-	var p []byte
-	ph := (*reflect.SliceHeader)(unsafe.Pointer(&p))
-	ph.Data = uintptr(unsafe.Pointer(s))
-	ph.Len = superSize
-	ph.Cap = superSize
-	_, err := w.Write(p)
-	return err
-}
--- a/internal/cache/cache.go
+++ b/internal/cache/cache.go
@ -1,97 +0,0 @@
-// Package cache impl the cache for gocq
-package cache
-
-import (
-	"fmt"
-	"sync"
-
-	log "github.com/sirupsen/logrus"
-
-	"github.com/Mrs4s/go-cqhttp/global"
-	"github.com/Mrs4s/go-cqhttp/internal/base"
-	"github.com/Mrs4s/go-cqhttp/internal/btree"
-)
-
-// todo(wdvxdr): always enable db-cache in v1.0.0
-
-// EnableCacheDB 是否启用 btree db缓存图片等
-var EnableCacheDB bool
-
-// Media Cache DBs
-var (
-	Image Cache
-	Video Cache
-	// todo: Voice?
-)
-
-// Cache wraps the btree.DB for concurrent safe
-type Cache struct {
-	lock sync.RWMutex
-	db   *btree.DB
-}
-
-// Insert 添加媒体缓存
-func (c *Cache) Insert(md5, data []byte) {
-	c.lock.Lock()
-	defer c.lock.Unlock()
-
-	var hash [16]byte
-	copy(hash[:], md5)
-	c.db.Insert(&hash[0], data)
-}
-
-// Get 获取缓存信息
-func (c *Cache) Get(md5 []byte) []byte {
-	c.lock.RLock()
-	defer c.lock.RUnlock()
-
-	var hash [16]byte
-	copy(hash[:], md5)
-	return c.db.Get(&hash[0])
-}
-
-// Delete 删除指定缓存
-func (c *Cache) Delete(md5 []byte) {
-	c.lock.Lock()
-	defer c.lock.Unlock()
-
-	var hash [16]byte
-	copy(hash[:], md5)
-	_ = c.db.Delete(&hash[0])
-}
-
-// Init 初始化 Cache
-func Init() {
-	node, ok := base.Database["cache"]
-	if !ok {
-		return
-	}
-	EnableCacheDB = true
-	var conf map[string]string
-	err := node.Decode(&conf)
-	if err != nil {
-		log.Fatalf("failed to read cache config: %v", err)
-	}
-
-	var open = func(typ string, cache *Cache) {
-		file := conf[typ]
-		if file == "" {
-			file = fmt.Sprintf("data/%s.db", typ)
-		}
-		if global.PathExists(file) {
-			db, err := btree.Open(file)
-			if err != nil {
-				log.Fatalf("open %s cache failed: %v", typ, err)
-			}
-			cache.db = db
-		} else {
-			db, err := btree.Create(file)
-			if err != nil {
-				log.Fatalf("create %s cache failed: %v", typ, err)
-			}
-			cache.db = db
-		}
-	}
-	open("image", &Image)
-	open("video", &Video)
-}
--- a/main.go
+++ b/main.go
@ -18,17 +18,16 @@ import (
 	"golang.org/x/crypto/pbkdf2"
 	"golang.org/x/term"

+	_ "github.com/Mrs4s/go-cqhttp/modules/mime" // mime检查模块
+	"github.com/Mrs4s/go-cqhttp/modules/servers"
+	_ "github.com/Mrs4s/go-cqhttp/modules/silk" // silk编码模块
+
 	"github.com/Mrs4s/go-cqhttp/coolq"
 	"github.com/Mrs4s/go-cqhttp/global"
 	"github.com/Mrs4s/go-cqhttp/global/terminal"
 	"github.com/Mrs4s/go-cqhttp/internal/base"
-	"github.com/Mrs4s/go-cqhttp/internal/cache"
 	"github.com/Mrs4s/go-cqhttp/internal/selfupdate"
-	"github.com/Mrs4s/go-cqhttp/modules/servers"
 	"github.com/Mrs4s/go-cqhttp/server"
-
-	_ "github.com/Mrs4s/go-cqhttp/modules/mime" // mime检查模块
-	_ "github.com/Mrs4s/go-cqhttp/modules/silk" // silk编码模块
 )

 // 允许通过配置文件设置的状态列表
@ -77,7 +76,6 @@ func main() {
 	mkCacheDir(global.VoicePath, "语音")
 	mkCacheDir(global.VideoPath, "视频")
 	mkCacheDir(global.CachePath, "发送图片")
-	cache.Init()

 	var byteKey []byte
 	arg := os.Args
--- a/modules/config/config.go
+++ b/modules/config/config.go
@ -137,13 +137,6 @@ type LevelDBConfig struct {
 	Enable bool `yaml:"enable"`
 }

-// MongoDBConfig mongodb 相关配置
-type MongoDBConfig struct {
-	Enable   bool   `yaml:"enable"`
-	URI      string `yaml:"uri"`
-	Database string `yaml:"database"`
-}
-
 // Parse 从默认配置文件路径中获取
 func Parse(path string) *Config {
 	fromEnv := os.Getenv("GCQ_UIN") != ""
--- a/modules/config/default_config.yml
+++ b/modules/config/default_config.yml
@ -75,11 +75,6 @@ database: # 数据库相关设置
    # 关闭将无法使用 撤回 回复 get_msg 等上下文相关功能
    enable: true

-  # 媒体文件缓存， 删除此项则使用缓存文件(旧版行为)
-  cache:
-    image: data/image.db
-    video: data/video.db
-
 # 连接服务列表
 servers:
  # 添加方式，同一连接方式可添加多个，具体配置说明请查看文档
--- a/modules/mime/mime.go
+++ b/modules/mime/mime.go
@ -43,7 +43,7 @@ func check(r io.ReadSeeker, list []string) (bool, string) {
 		return true, ""
 	}
 	_, _ = r.Seek(0, io.SeekStart)
-	defer r.Seek(0, io.SeekStart)
+	defer r.Seek(0, io.SeekStart) // nolint
 	t, err := mimetype.DetectReader(r)
 	if err != nil {
 		logrus.Debugf("扫描 Mime 时出现问题: %v", err)
--- a/server/websocket.go
+++ b/server/websocket.go
@ -2,6 +2,8 @@ package server

 import (
 	"bytes"
+	"context"
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"runtime/debug"
@ -11,13 +13,13 @@ import (
 	"time"

 	"gopkg.in/yaml.v3"
+	"nhooyr.io/websocket"

 	"github.com/Mrs4s/go-cqhttp/coolq"
 	"github.com/Mrs4s/go-cqhttp/global"
 	"github.com/Mrs4s/go-cqhttp/modules/config"

 	"github.com/Mrs4s/MiraiGo/utils"
-	"github.com/gorilla/websocket"
 	log "github.com/sirupsen/logrus"
 	"github.com/tidwall/gjson"
 )
@ -26,8 +28,9 @@ type webSocketServer struct {
 	bot  *coolq.CQBot
 	conf *config.WebsocketServer

-	eventConn      []*webSocketConn
-	eventConnMutex sync.Mutex
+	mu        sync.Mutex
+	eventConn []*wsConn
+
 	token     string
 	handshake string
 	filter    string
@ -38,24 +41,19 @@ type websocketClient struct {
 	bot  *coolq.CQBot
 	conf *config.WebsocketReverse

-	universalConn *webSocketConn
-	eventConn     *webSocketConn
+	mu sync.Mutex
+
+	universal *wsConn
+	event     *wsConn
 	token     string
 	filter    string
 }

-type webSocketConn struct {
+type wsConn struct {
 	*websocket.Conn
-	sync.Mutex
 	apiCaller *apiCaller
 }

-var upgrader = websocket.Upgrader{
-	CheckOrigin: func(r *http.Request) bool {
-		return true
-	},
-}
-
 // runWSServer 运行一个正向WS server
 func runWSServer(b *coolq.CQBot, node yaml.Node) {
 	var conf config.WebsocketServer
@ -107,124 +105,70 @@ func runWSClient(b *coolq.CQBot, node yaml.Node) {
 	}
 	addFilter(c.filter)
 	if c.conf.Universal != "" {
-		c.connectUniversal()
+		c.connect("Universal", conf.Universal, &c.universal)
 	} else {
 		if c.conf.API != "" {
-			c.connectAPI()
+			c.connect("API", conf.API, nil)
 		}
 		if c.conf.Event != "" {
-			c.connectEvent()
+			c.connect("Event", conf.Event, &c.event)
 		}
 	}
 	c.bot.OnEventPush(c.onBotPushEvent)
 }

-func (c *websocketClient) connectAPI() {
-	log.Infof("开始尝试连接到反向WebSocket API服务器: %v", c.conf.API)
+func (c *websocketClient) connect(typ, url string, conptr **wsConn) {
+	log.Infof("开始尝试连接到反向WebSocket %s服务器: %v", typ, c.conf.API)
 	header := http.Header{
-		"X-Client-Role": []string{"API"},
+		"X-Client-Role": []string{typ},
 		"X-Self-ID":     []string{strconv.FormatInt(c.bot.Client.Uin, 10)},
 		"User-Agent":    []string{"CQHttp/4.15.0"},
 	}
 	if c.token != "" {
 		header["Authorization"] = []string{"Token " + c.token}
 	}
-	conn, _, err := websocket.DefaultDialer.Dial(c.conf.API, header) // nolint
+	conn, _, err := websocket.Dial(context.Background(), url, &websocket.DialOptions{HTTPHeader: header}) // nolint
 	if err != nil {
-		log.Warnf("连接到反向WebSocket API服务器 %v 时出现错误: %v", c.conf.API, err)
+		log.Warnf("连接到反向WebSocket %s服务器 %v 时出现错误: %v", typ, c.conf.API, err)
 		if c.conf.ReconnectInterval != 0 {
 			time.Sleep(time.Millisecond * time.Duration(c.conf.ReconnectInterval))
-			c.connectAPI()
+			c.connect(typ, url, conptr)
 		}
 		return
 	}
-	log.Infof("已连接到反向WebSocket API服务器 %v", c.conf.API)
-	wrappedConn := &webSocketConn{Conn: conn, apiCaller: newAPICaller(c.bot)}
+
+	switch typ {
+	case "Event", "Universal":
+		handshake := fmt.Sprintf(`{"meta_event_type":"lifecycle","post_type":"meta_event","self_id":%d,"sub_type":"connect","time":%d}`, c.bot.Client.Uin, time.Now().Unix())
+		err = conn.Write(context.Background(), websocket.MessageText, []byte(handshake))
+		if err != nil {
+			log.Warnf("反向WebSocket 握手时出现错误: %v", err)
+		}
+	}
+
+	log.Infof("已连接到反向WebSocket %s服务器 %v", typ, c.conf.API)
+	wrappedConn := &wsConn{Conn: conn, apiCaller: newAPICaller(c.bot)}
 	if c.conf.RateLimit.Enabled {
 		wrappedConn.apiCaller.use(rateLimit(c.conf.RateLimit.Frequency, c.conf.RateLimit.Bucket))
 	}
+
+	if conptr != nil {
+		*conptr = wrappedConn
+	}
+
+	switch typ {
+	case "API":
 		go c.listenAPI(wrappedConn, false)
-}
-
-func (c *websocketClient) connectEvent() {
-	log.Infof("开始尝试连接到反向WebSocket Event服务器: %v", c.conf.Event)
-	header := http.Header{
-		"X-Client-Role": []string{"Event"},
-		"X-Self-ID":     []string{strconv.FormatInt(c.bot.Client.Uin, 10)},
-		"User-Agent":    []string{"CQHttp/4.15.0"},
-	}
-	if c.token != "" {
-		header["Authorization"] = []string{"Token " + c.token}
-	}
-	conn, _, err := websocket.DefaultDialer.Dial(c.conf.Event, header) // nolint
-	if err != nil {
-		log.Warnf("连接到反向WebSocket Event服务器 %v 时出现错误: %v", c.conf.Event, err)
-		if c.conf.ReconnectInterval != 0 {
-			time.Sleep(time.Millisecond * time.Duration(c.conf.ReconnectInterval))
-			c.connectEvent()
-		}
-		return
-	}
-
-	handshake := fmt.Sprintf(`{"meta_event_type":"lifecycle","post_type":"meta_event","self_id":%d,"sub_type":"connect","time":%d}`,
-		c.bot.Client.Uin, time.Now().Unix())
-	err = conn.WriteMessage(websocket.TextMessage, []byte(handshake))
-	if err != nil {
-		log.Warnf("反向WebSocket 握手时出现错误: %v", err)
-	}
-
-	log.Infof("已连接到反向WebSocket Event服务器 %v", c.conf.Event)
-	if c.eventConn == nil {
-		wrappedConn := &webSocketConn{Conn: conn, apiCaller: newAPICaller(c.bot)}
-		c.eventConn = wrappedConn
-	} else {
-		c.eventConn.Conn = conn
+	case "Universal":
+		go c.listenAPI(wrappedConn, true)
 	}
 }

-func (c *websocketClient) connectUniversal() {
-	log.Infof("开始尝试连接到反向WebSocket Universal服务器: %v", c.conf.Universal)
-	header := http.Header{
-		"X-Client-Role": []string{"Universal"},
-		"X-Self-ID":     []string{strconv.FormatInt(c.bot.Client.Uin, 10)},
-		"User-Agent":    []string{"CQHttp/4.15.0"},
-	}
-	if c.token != "" {
-		header["Authorization"] = []string{"Token " + c.token}
-	}
-	conn, _, err := websocket.DefaultDialer.Dial(c.conf.Universal, header) // nolint
-	if err != nil {
-		log.Warnf("连接到反向WebSocket Universal服务器 %v 时出现错误: %v", c.conf.Universal, err)
-		if c.conf.ReconnectInterval != 0 {
-			time.Sleep(time.Millisecond * time.Duration(c.conf.ReconnectInterval))
-			c.connectUniversal()
-		}
-		return
-	}
-	handshake := fmt.Sprintf(`{"meta_event_type":"lifecycle","post_type":"meta_event","self_id":%d,"sub_type":"connect","time":%d}`,
-		c.bot.Client.Uin, time.Now().Unix())
-	err = conn.WriteMessage(websocket.TextMessage, []byte(handshake))
-	if err != nil {
-		log.Warnf("反向WebSocket 握手时出现错误: %v", err)
-	}
-
-	if c.universalConn == nil {
-		wrappedConn := &webSocketConn{Conn: conn, apiCaller: newAPICaller(c.bot)}
-		if c.conf.RateLimit.Enabled {
-			wrappedConn.apiCaller.use(rateLimit(c.conf.RateLimit.Frequency, c.conf.RateLimit.Bucket))
-		}
-		c.universalConn = wrappedConn
-	} else {
-		c.universalConn.Conn = conn
-	}
-	go c.listenAPI(c.universalConn, true)
-}
-
-func (c *websocketClient) listenAPI(conn *webSocketConn, u bool) {
-	defer func() { _ = conn.Close() }()
+func (c *websocketClient) listenAPI(conn *wsConn, u bool) {
+	defer func() { _ = conn.Close(websocket.StatusNormalClosure, "") }()
 	for {
 		buffer := global.NewBuffer()
-		t, reader, err := conn.NextReader()
+		t, reader, err := conn.Conn.Reader(context.Background())
 		if err != nil {
 			log.Warnf("监听反向WS API时出现错误: %v", err)
 			break
@ -234,7 +178,7 @@ func (c *websocketClient) listenAPI(conn *webSocketConn, u bool) {
 			log.Warnf("监听反向WS API时出现错误: %v", err)
 			break
 		}
-		if t == websocket.TextMessage {
+		if t == websocket.MessageText {
 			go func(buffer *bytes.Buffer) {
 				defer global.PutBuffer(buffer)
 				conn.handleRequest(c.bot, buffer.Bytes())
@ -246,7 +190,7 @@ func (c *websocketClient) listenAPI(conn *webSocketConn, u bool) {
 	if c.conf.ReconnectInterval != 0 {
 		time.Sleep(time.Millisecond * time.Duration(c.conf.ReconnectInterval))
 		if !u {
-			go c.connectAPI()
+			go c.connect("API", c.conf.API, nil)
 		}
 	}
 }
@ -257,25 +201,34 @@ func (c *websocketClient) onBotPushEvent(e *coolq.Event) {
 		log.Debugf("上报Event %s 到 WS服务器 时被过滤.", e.JSONBytes())
 		return
 	}
-	push := func(conn *webSocketConn, reconnect func()) {
-		log.Debugf("向WS服务器 %v 推送Event: %s", conn.RemoteAddr().String(), e.JSONBytes())
-		conn.Lock()
-		defer conn.Unlock()
-		_ = conn.SetWriteDeadline(time.Now().Add(time.Second * 15))
-		if err := conn.WriteMessage(websocket.TextMessage, e.JSONBytes()); err != nil {
-			log.Warnf("向WS服务器 %v 推送Event时出现错误: %v", conn.RemoteAddr().String(), err)
-			_ = conn.Close()
+	push := func(conn *wsConn, reconnect func()) {
+		log.Debugf("向WS服务器推送Event: %s", e.JSONBytes())
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*15)
+		defer cancel()
+		if err := conn.Write(ctx, websocket.MessageText, e.JSONBytes()); err != nil {
+			log.Warnf("向WS服务器推送 Event 时出现错误: %v", err)
+			_ = conn.Close(websocket.StatusNormalClosure, "")
 			if c.conf.ReconnectInterval != 0 {
 				time.Sleep(time.Millisecond * time.Duration(c.conf.ReconnectInterval))
 				reconnect()
 			}
 		}
 	}
-	if c.eventConn != nil {
-		push(c.eventConn, c.connectEvent)
+
+	connect := func(typ, url string, conptr **wsConn) func() {
+		return func() {
+			c.connect(typ, url, conptr)
 		}
-	if c.universalConn != nil {
-		push(c.universalConn, c.connectUniversal)
+	}
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if c.event != nil {
+		push(c.event, connect("Event", c.conf.Event, &c.event))
+	}
+	if c.universal != nil {
+		push(c.universal, connect("Universal", c.conf.Universal, &c.universal))
 	}
 }

@ -286,25 +239,25 @@ func (s *webSocketServer) event(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(status)
 		return
 	}
-	c, err := upgrader.Upgrade(w, r, nil)
+	c, err := websocket.Accept(w, r, nil)
 	if err != nil {
 		log.Warnf("处理 WebSocket 请求时出现错误: %v", err)
 		return
 	}
-	err = c.WriteMessage(websocket.TextMessage, []byte(s.handshake))
+	err = c.Write(context.Background(), websocket.MessageText, []byte(s.handshake))
 	if err != nil {
 		log.Warnf("WebSocket 握手时出现错误: %v", err)
-		_ = c.Close()
+		_ = c.Close(websocket.StatusNormalClosure, "")
 		return
 	}

 	log.Infof("接受 WebSocket 连接: %v (/event)", r.RemoteAddr)

-	conn := &webSocketConn{Conn: c, apiCaller: newAPICaller(s.bot)}
+	conn := &wsConn{Conn: c, apiCaller: newAPICaller(s.bot)}

-	s.eventConnMutex.Lock()
+	s.mu.Lock()
 	s.eventConn = append(s.eventConn, conn)
-	s.eventConnMutex.Unlock()
+	s.mu.Unlock()
 }

 func (s *webSocketServer) api(w http.ResponseWriter, r *http.Request) {
@ -314,13 +267,13 @@ func (s *webSocketServer) api(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(status)
 		return
 	}
-	c, err := upgrader.Upgrade(w, r, nil)
+	c, err := websocket.Accept(w, r, nil)
 	if err != nil {
 		log.Warnf("处理 WebSocket 请求时出现错误: %v", err)
 		return
 	}
 	log.Infof("接受 WebSocket 连接: %v (/api)", r.RemoteAddr)
-	conn := &webSocketConn{Conn: c, apiCaller: newAPICaller(s.bot)}
+	conn := &wsConn{Conn: c, apiCaller: newAPICaller(s.bot)}
 	if s.conf.RateLimit.Enabled {
 		conn.apiCaller.use(rateLimit(s.conf.RateLimit.Frequency, s.conf.RateLimit.Bucket))
 	}
@ -334,33 +287,33 @@ func (s *webSocketServer) any(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(status)
 		return
 	}
-	c, err := upgrader.Upgrade(w, r, nil)
+	c, err := websocket.Accept(w, r, nil)
 	if err != nil {
 		log.Warnf("处理 WebSocket 请求时出现错误: %v", err)
 		return
 	}
-	err = c.WriteMessage(websocket.TextMessage, []byte(s.handshake))
+	err = c.Write(context.Background(), websocket.MessageText, []byte(s.handshake))
 	if err != nil {
 		log.Warnf("WebSocket 握手时出现错误: %v", err)
-		_ = c.Close()
+		_ = c.Close(websocket.StatusNormalClosure, "")
 		return
 	}
 	log.Infof("接受 WebSocket 连接: %v (/)", r.RemoteAddr)
-	conn := &webSocketConn{Conn: c, apiCaller: newAPICaller(s.bot)}
+	conn := &wsConn{Conn: c, apiCaller: newAPICaller(s.bot)}
 	if s.conf.RateLimit.Enabled {
 		conn.apiCaller.use(rateLimit(s.conf.RateLimit.Frequency, s.conf.RateLimit.Bucket))
 	}
-	s.eventConnMutex.Lock()
+	s.mu.Lock()
 	s.eventConn = append(s.eventConn, conn)
-	s.eventConnMutex.Unlock()
+	s.mu.Unlock()
 	s.listenAPI(conn)
 }

-func (s *webSocketServer) listenAPI(c *webSocketConn) {
-	defer func() { _ = c.Close() }()
+func (s *webSocketServer) listenAPI(c *wsConn) {
+	defer func() { _ = c.Close(websocket.StatusNormalClosure, "") }()
 	for {
 		buffer := global.NewBuffer()
-		t, reader, err := c.NextReader()
+		t, reader, err := c.Reader(context.Background())
 		if err != nil {
 			break
 		}
@ -369,7 +322,7 @@ func (s *webSocketServer) listenAPI(c *webSocketConn) {
 			break
 		}

-		if t == websocket.TextMessage {
+		if t == websocket.MessageText {
 			go func(buffer *bytes.Buffer) {
 				defer global.PutBuffer(buffer)
 				c.handleRequest(s.bot, buffer.Bytes())
@ -380,11 +333,11 @@ func (s *webSocketServer) listenAPI(c *webSocketConn) {
 	}
 }

-func (c *webSocketConn) handleRequest(_ *coolq.CQBot, payload []byte) {
+func (c *wsConn) handleRequest(_ *coolq.CQBot, payload []byte) {
 	defer func() {
 		if err := recover(); err != nil {
 			log.Printf("处置WS命令时发生无法恢复的异常：%v\n%s", err, debug.Stack())
-			_ = c.Close()
+			_ = c.Close(websocket.StatusInternalError, fmt.Sprint(err))
 		}
 	}()
 	j := gjson.Parse(utils.B2S(payload))
@ -394,27 +347,27 @@ func (c *webSocketConn) handleRequest(_ *coolq.CQBot, payload []byte) {
 	if j.Get("echo").Exists() {
 		ret["echo"] = j.Get("echo").Value()
 	}
-	c.Lock()
-	defer c.Unlock()
-	_ = c.WriteJSON(ret)
+	writer, _ := c.Writer(context.Background(), websocket.MessageText)
+	_ = json.NewEncoder(writer).Encode(ret)
+	_ = writer.Close()
 }

 func (s *webSocketServer) onBotPushEvent(e *coolq.Event) {
-	s.eventConnMutex.Lock()
-	defer s.eventConnMutex.Unlock()
-
 	filter := findFilter(s.filter)
 	if filter != nil && !filter.Eval(gjson.Parse(e.JSONString())) {
 		log.Debugf("上报Event %s 到 WS客户端 时被过滤.", e.JSONBytes())
 		return
 	}
+
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
 	j := 0
 	for i := 0; i < len(s.eventConn); i++ {
 		conn := s.eventConn[i]
-		log.Debugf("向WS客户端 %v 推送Event: %s", conn.RemoteAddr().String(), e.JSONBytes())
-		conn.Lock()
-		if err := conn.WriteMessage(websocket.TextMessage, e.JSONBytes()); err != nil {
-			_ = conn.Close()
+		log.Debugf("向WS客户端推送Event: %s", e.JSONBytes())
+		if err := conn.Write(context.Background(), websocket.MessageText, e.JSONBytes()); err != nil {
+			_ = conn.Close(websocket.StatusNormalClosure, "")
 			conn = nil
 			continue
 		}
@ -423,7 +376,6 @@ func (s *webSocketServer) onBotPushEvent(e *coolq.Event) {
 			// use a in-place removal to avoid copying.
 			s.eventConn[j] = conn
 		}
-		conn.Unlock()
 		j++
 	}
 	s.eventConn = s.eventConn[:j]
Author	SHA1	Message	Date
wdvxdr	47cdc20d45	fix: correct x-client-role header	2021-10-13 22:51:51 +08:00
wdvxdr	1771cda11c	feat(server): unify websocket client connect	2021-10-07 22:24:45 +08:00
wdvxdr	67f0ea914d	feat(server): use nhooyr.io/websocket	2021-10-07 21:40:20 +08:00