fix: add permission check

internal/rpc/msg/send.go

@@ -17,6 +17,7 @@ package msg
 import (
 	"context"
 
+	"github.com/openimsdk/open-im-server/v3/pkg/authverify"
 	"google.golang.org/protobuf/proto"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
@@ -37,6 +38,9 @@ func (m *msgServer) SendMsg(ctx context.Context, req *pbmsg.SendMsgReq) (*pbmsg.
 	if req.MsgData == nil {
 		return nil, errs.ErrArgs.WrapMsg("msgData is nil")
 	}
+	if err := authverify.CheckAccess(ctx, req.MsgData.SendID); err != nil {
+		return nil, err
+	}
 	before := new(*sdkws.MsgData)
 	resp, err := m.sendMsg(ctx, req, before)
 	if err != nil {