增加企微通道

internal/pkg/wechat_ws/wecom_ws_client.go

@@ -0,0 +1,347 @@
+package wechat_ws
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"github.com/gorilla/websocket"
+	"github.com/zeromicro/go-zero/core/logx"
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/types/known/anypb"
+	"time"
+	"wechat-api/workphone/wecom"
+)
+
+type WecomWsClient struct {
+	Conn           *websocket.Conn
+	AccessToken    string
+	Send           chan []byte
+	Name           string
+	CTypes         string
+	MessageHandler []MessageHandler
+}
+
+func NewWecomWsClient(urlStr string, name string, ctype string) (*WecomWsClient, error) {
+	logx.Debug("实例开始")
+
+	//p, _ := url.Parse("http://127.0.0.1:7897")
+
+	var d = websocket.Dialer{
+		//Proxy: http.ProxyURL(&url.URL{
+		//	Scheme: "http", // or "https" depending on your proxy
+		//	Host:   "127.0.0.1:7897",
+		//	Path:   "/",
+		//}),
+	}
+
+	c, _, err := d.Dial(urlStr, nil)
+	if err != nil {
+		logx.Error(err)
+		return nil, err
+	}
+
+	client := &WecomWsClient{
+		Conn:           c,
+		AccessToken:    "",
+		Send:           make(chan []byte, 256),
+		Name:           name,
+		CTypes:         ctype,
+		MessageHandler: make([]MessageHandler, 0),
+	}
+
+	err = client.DeviceAuth()
+	if err != nil {
+		return nil, err
+	}
+
+	return client, nil
+}
+
+// SendMsg 立刻发送消息，发送不成功可以获取错误信息
+func (c *WecomWsClient) SendMsg(message []byte) error {
+	logx.Info("发送消息：", string(message))
+	err := c.Conn.SetWriteDeadline(time.Now().Add(writeWait))
+	if err != nil {
+		return err
+	}
+	err = c.Conn.WriteMessage(websocket.TextMessage, message)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// SendMsgByChan 通过chan通道发送消息，这样可以保证发送顺序，异步，不返回错误
+func (c *WecomWsClient) SendMsgByChan(msg []byte) {
+	c.Send <- msg
+}
+
+func (c *WecomWsClient) WritePump() {
+	ticker := time.NewTicker(pingPeriod)
+	defer func() {
+		ticker.Stop()
+		err := c.Conn.Close()
+		if err != nil {
+			return
+		}
+	}()
+	for {
+		select {
+		case message, ok := <-c.Send:
+			if !ok {
+				continue
+			}
+			_ = c.SendMsg(message)
+
+			// 以下注释 的，是把所有当前积压的消息一次性都发出去的写法，不确定是否会乱序，或服务端否支持
+			//_ = c.conn.SetWriteDeadline(time.Now().Add(writeWait))
+			//if !ok {
+			//	_ = c.conn.WriteMessage(websocket.CloseMessage, []byte{})
+			//	return
+			//}
+			//
+			//w, err := c.conn.NextWriter(websocket.TextMessage)
+			//if err != nil {
+			//	return
+			//}
+			//_, _ = w.Write(message)
+			//
+			//// Add queued chat messages to the current websocket message.
+			//n := len(c.send)
+			//for i := 0; i < n; i++ {
+			//	_, _ = w.Write(newline)
+			//	_, _ = w.Write(<-c.send)
+			//}
+			//
+			//if err := w.Close(); err != nil {
+			//	return
+			//}
+		case <-ticker.C:
+			if c.AccessToken == "" {
+				logx.Error("accessToken is empty")
+				continue
+			}
+
+			message := map[string]interface{}{
+				"Id":          1001,
+				"MsgType":     "HeartBeatReq",
+				"AccessToken": c.AccessToken,
+				"Content": map[string]string{
+					"token": c.AccessToken,
+				},
+			}
+
+			//transportMessageJSON, err := json.Marshal(message)
+			//if err != nil {
+			//	logx.Error(err)
+			//	continue
+			//}
+			//
+			_ = c.Conn.SetWriteDeadline(time.Now().Add(writeWait))
+			//err = c.Conn.WriteMessage(websocket.TextMessage, transportMessageJSON)
+
+			err := c.Conn.WriteJSON(message)
+
+			if err != nil {
+				logx.Error(err)
+				continue
+			}
+			logx.Info("发送心跳保活~~")
+		}
+	}
+}
+
+func (c *WecomWsClient) RegisterMessageHandler(handler MessageHandler) {
+	if c == nil {
+		logx.Error("WecomWsClient is nil in RegisterMessageHandler")
+		return
+	}
+	logx.Info("Registering message handler for WecomWsClient:", c.Name)
+	c.MessageHandler = append(c.MessageHandler, handler)
+}
+
+func (c *WecomWsClient) ReadPump() {
+	defer func() {
+		err := c.Conn.Close()
+		if err != nil {
+			return
+		}
+	}()
+	//c.Conn.SetReadLimit(maxMessageSize)
+	//err := c.Conn.SetReadDeadline(time.Time{})
+	//if err != nil {
+	//	logx.Errorf("SetReadDeadline error: %v", err)
+	//	return
+	//}
+	//c.conn.SetPongHandler(func(string) error {
+	//	err := c.conn.SetReadDeadline(time.Time{})
+	//	if err != nil {
+	//		return err
+	//	}
+	//	return nil
+	//})
+	for {
+		_, message, err := c.Conn.ReadMessage()
+		if err != nil {
+			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
+				logx.Errorf("IsUnexpectedCloseError error: %v", err)
+			} else {
+				logx.Errorf("NotIsUnexpectedCloseError error: %v", err)
+			}
+			break
+		}
+		message = bytes.TrimSpace(bytes.Replace(message, newline, space, -1))
+
+		logx.Debugf("message 获取的消息原型是 : %s", string(message))
+
+		var msg MsgJsonObject
+		//err = c.Conn.ReadJSON(msg)
+		err = json.Unmarshal(message, &msg)
+		if err != nil {
+			logx.Error(err)
+			continue
+		}
+		//logx.Info("message 获取的消息原型是 : ", msg)
+
+		switch msg.MsgType {
+		case "MsgReceivedAck":
+			logx.Info("心跳确认消息已收到，无需处理")
+		default:
+			if len(c.MessageHandler) > 0 {
+				for _, handler := range c.MessageHandler {
+					// todo 重启时这里会丢消息，回头需要用wg来进行平滑处理
+					go func() {
+						defer func() {
+							// 捕获panic, 防止程序崩溃
+							if r := recover(); r != nil {
+								logx.Error("Recovered in f", r)
+							}
+						}()
+						err = handler(&msg)
+						if err != nil {
+							logx.Error(err)
+						}
+					}()
+				}
+			}
+		}
+
+	}
+}
+
+// DeviceAuth2 todo 这个方法中，产生了一个@type的字段，无法通过注册.有空的时候看看，这种方式还是更优雅
+//
+//go:deprecated 已弃用，请使用 DeviceAuth 方法进行设备认证。
+func (c *WecomWsClient) DeviceAuth2() error {
+	sendMsg := &wecom.DeviceAuthReqMessage{
+		AuthType:   wecom.DeviceAuthReqMessage_InternalCode,
+		Credential: "",
+	}
+
+	content, err := anypb.New(sendMsg)
+	if err != nil {
+		logx.Error(err)
+		return err
+	}
+
+	logx.Info("content is ", content)
+
+	transportMessage := &wecom.TransportMessage{
+		Id:      int64(wecom.EnumMsgType_DeviceAuthReq),
+		MsgType: wecom.EnumMsgType_DeviceAuthReq,
+		Content: content,
+	}
+
+	transportMessageJSON, err := protojson.MarshalOptions{
+		UseProtoNames: true,
+	}.Marshal(transportMessage)
+
+	if err != nil {
+		logx.Error(err)
+		return err
+	}
+
+	logx.Info(string(transportMessageJSON))
+
+	err = c.Conn.WriteMessage(websocket.TextMessage, transportMessageJSON)
+	if err != nil {
+		logx.Error(err)
+		return err
+	}
+
+	return nil
+
+}
+
+// DeviceAuth 连接认证，使用IP白名单方式进行认证
+func (c *WecomWsClient) DeviceAuth() error {
+
+	message := map[string]interface{}{
+		"Id":          1010,
+		"AccessToken": "",
+		"MsgType":     "DeviceAuthReq",
+		"Content": map[string]interface{}{
+			"AuthType":   3,
+			"Credential": "",
+		},
+	}
+	transportMessageJSON, err := json.Marshal(message)
+	if err != nil {
+		logx.Error(err)
+		return err
+	}
+
+	err = c.Conn.WriteMessage(websocket.TextMessage, transportMessageJSON)
+	if err != nil {
+		logx.Error(err)
+		return err
+	}
+
+	for {
+		_, msgByte, err := c.Conn.ReadMessage()
+		if err != nil {
+			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
+				logx.Errorf("IsUnexpectedCloseError error: %v", err)
+			} else {
+				logx.Errorf("NotIsUnexpectedCloseError error: %v", err)
+			}
+			break
+		}
+		msgByte = bytes.TrimSpace(bytes.Replace(msgByte, newline, space, -1))
+
+		logx.Debugf("message 获取的消息原型是 : %s", string(msgByte))
+
+		var msg MsgJsonObject
+
+		err = json.Unmarshal(msgByte, &msg)
+		if err != nil {
+			logx.Error(err)
+			continue
+		}
+
+		if msg.MsgType == "Error" {
+			var errMsg wecom.ErrorMessage
+			_ = protojson.Unmarshal([]byte(msg.Message), &errMsg)
+			logx.Error("连接认证失败，请检查IP白名单是否正确", errMsg)
+			return errors.New("连接认证失败，请检查IP白名单是否正确")
+		}
+
+		if msg.MsgType != "DeviceAuthRsp" {
+			logx.Error("不是连接认证消息，丢弃~", string(msgByte))
+			continue
+		}
+
+		var deviceAuthRsp wecom.DeviceAuthRspMessage
+		err = protojson.Unmarshal([]byte(msg.Message), &deviceAuthRsp)
+		if err != nil {
+			logx.Error(err)
+			continue
+		}
+		logx.Info("连接认证成功 accessToken ：", deviceAuthRsp.AccessToken)
+		c.AccessToken = deviceAuthRsp.AccessToken
+		break
+	}
+
+	return nil
+
+}

internal/svc/service_context.go

@@ -38,6 +38,7 @@ type ServiceContext struct {
 	CoreRpc       coreclient.Core
 	Rds           redis.UniversalClient
 	WechatWs      map[string]*wechat_ws.WechatWsClient
+	WecomWs       map[string]*wechat_ws.WecomWsClient
 	Cache         *collection.Cache
 	NodeID        *snowflake.Node
 	MongoModel    *mongo_model.AllMongoModel
@@ -73,6 +74,7 @@ func NewServiceContext(c config.Config) *ServiceContext {
 	// 初始化微信ws客户端
 	// todo 现在配置是从 config.yaml中读取的，后续需要改成从数据库中读取，以便匹配不同的微信号
 	wechatWs := make(map[string]*wechat_ws.WechatWsClient)
+	wecomWs := make(map[string]*wechat_ws.WecomWsClient)
 
 	for _, ws := range c.WebSocket {
 		if ws.Type == "wechat" {
@@ -85,6 +87,16 @@ func NewServiceContext(c config.Config) *ServiceContext {
 				go client.WritePump()
 				wechatWs[ws.Name] = client
 			}
+		} else if ws.Type == "wecom" {
+			wecomClient, err := wechat_ws.NewWecomWsClient(ws.Url, ws.Name, ws.Type)
+			if err != nil {
+				logx.Error(err)
+			} else {
+				logx.Info("建立ws wecomClient成功~", ws.Name)
+				go wecomClient.ReadPump()
+				go wecomClient.WritePump()
+				wecomWs[ws.Name] = wecomClient
+			}
 		}
 	}
 
@@ -111,6 +123,7 @@ func NewServiceContext(c config.Config) *ServiceContext {
 		CoreRpc:       coreRpc,
 		Rds:           rds,
 		WechatWs:      wechatWs,
+		WecomWs:       wecomWs,
 		Cache:         cache,
 		NodeID:        node,
 		MongoModel:    all_mongo_model,