1Panel/backend/app/api/v1/terminal.go
2022-12-19 21:33:55 +08:00

101 lines
2.7 KiB
Go

package v1
import (
"net/http"
"strconv"
"time"
"github.com/1Panel-dev/1Panel/backend/app/api/v1/helper"
"github.com/1Panel-dev/1Panel/backend/constant"
"github.com/1Panel-dev/1Panel/backend/global"
"github.com/1Panel-dev/1Panel/backend/utils/copier"
"github.com/1Panel-dev/1Panel/backend/utils/ssh"
"github.com/1Panel-dev/1Panel/backend/utils/terminal"
"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"
"github.com/pkg/errors"
)
func (b *BaseApi) WsSsh(c *gin.Context) {
id, err := strconv.Atoi(c.Query("id"))
if err != nil {
helper.ErrorWithDetail(c, constant.CodeErrBadRequest, constant.ErrTypeInvalidParams, err)
return
}
cols, err := strconv.Atoi(c.DefaultQuery("cols", "80"))
if err != nil {
helper.ErrorWithDetail(c, constant.CodeErrBadRequest, constant.ErrTypeInvalidParams, err)
return
}
rows, err := strconv.Atoi(c.DefaultQuery("rows", "40"))
if err != nil {
helper.ErrorWithDetail(c, constant.CodeErrBadRequest, constant.ErrTypeInvalidParams, err)
return
}
host, err := hostService.GetHostInfo(uint(id))
if err != nil {
helper.ErrorWithDetail(c, constant.CodeErrBadRequest, constant.ErrTypeInvalidParams, err)
return
}
var connInfo ssh.ConnInfo
if err := copier.Copy(&connInfo, &host); err != nil {
helper.ErrorWithDetail(c, constant.CodeErrBadRequest, constant.ErrTypeInvalidParams, constant.ErrStructTransform)
return
}
wsConn, err := upGrader.Upgrade(c.Writer, c.Request, nil)
if err != nil {
global.LOG.Errorf("gin context http handler failed, err: %v", err)
return
}
defer wsConn.Close()
client, err := connInfo.NewClient()
if wshandleError(wsConn, errors.WithMessage(err, "failed to set up the connection. Please check the host information")) {
return
}
defer client.Close()
ssConn, err := connInfo.NewSshConn(cols, rows)
if wshandleError(wsConn, err) {
return
}
defer ssConn.Close()
sws, err := terminal.NewLogicSshWsSession(cols, rows, true, connInfo.Client, wsConn)
if wshandleError(wsConn, err) {
return
}
defer sws.Close()
quitChan := make(chan bool, 3)
sws.Start(quitChan)
go sws.Wait(quitChan)
<-quitChan
global.LOG.Info("websocket finished")
if wshandleError(wsConn, err) {
return
}
}
func wshandleError(ws *websocket.Conn, err error) bool {
if err != nil {
global.LOG.Errorf("handler ws faled:, err: %v", err)
dt := time.Now().Add(time.Second)
if err := ws.WriteControl(websocket.CloseMessage, []byte(err.Error()), dt); err != nil {
global.LOG.Errorf("websocket writes control message failed, err: %v", err)
}
return true
}
return false
}
var upGrader = websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024 * 1024 * 10,
CheckOrigin: func(r *http.Request) bool {
return true
},
}