1Panel/backend/app/api/v1/terminal.go
2023-06-25 18:34:16 +08:00

267 lines
7.1 KiB
Go

package v1
import (
"encoding/base64"
"encoding/json"
"fmt"
"net/http"
"strconv"
"strings"
"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/cmd"
"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
_ = copier.Copy(&connInfo, &host)
connInfo.PrivateKey = []byte(host.PrivateKey)
if len(host.PassPhrase) != 0 {
connInfo.PassPhrase = []byte(host.PassPhrase)
}
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
if wshandleError(wsConn, err) {
return
}
}
func (b *BaseApi) RedisWsSsh(c *gin.Context) {
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
}
redisConf, err := redisService.LoadConf()
if err != nil {
global.LOG.Errorf("load redis container failed, err: %v", err)
helper.ErrorWithDetail(c, constant.CodeErrInternalServer, constant.ErrTypeInternalServer, err)
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()
commands := "redis-cli"
if len(redisConf.Requirepass) != 0 {
commands = fmt.Sprintf("redis-cli -a %s --no-auth-warning", redisConf.Requirepass)
}
pidMap := loadMapFromDockerTop(redisConf.ContainerName)
slave, err := terminal.NewCommand(fmt.Sprintf("docker exec -it %s %s", redisConf.ContainerName, commands))
if wshandleError(wsConn, err) {
return
}
defer killBash(redisConf.ContainerName, commands, pidMap)
defer slave.Close()
tty, err := terminal.NewLocalWsSession(cols, rows, wsConn, slave)
if wshandleError(wsConn, err) {
return
}
quitChan := make(chan bool, 3)
tty.Start(quitChan)
go slave.Wait(quitChan)
<-quitChan
global.LOG.Info("websocket finished")
if wshandleError(wsConn, err) {
return
}
}
func (b *BaseApi) ContainerWsSsh(c *gin.Context) {
containerID := c.Query("containerid")
command := c.Query("command")
user := c.Query("user")
if len(command) == 0 || len(containerID) == 0 {
helper.ErrorWithDetail(c, constant.CodeErrBadRequest, constant.ErrTypeInvalidParams, errors.New("error param of command or containerID"))
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
}
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()
cmds := []string{"exec", containerID, command}
if len(user) != 0 {
cmds = []string{"exec", "-u", user, containerID, command}
}
stdout, err := cmd.ExecWithCheck("docker", cmds...)
if wshandleError(wsConn, errors.WithMessage(err, stdout)) {
return
}
commands := fmt.Sprintf("docker exec -it %s %s", containerID, command)
if len(user) != 0 {
commands = fmt.Sprintf("docker exec -it -u %s %s %s", user, containerID, command)
}
pidMap := loadMapFromDockerTop(containerID)
slave, err := terminal.NewCommand(commands)
if wshandleError(wsConn, err) {
return
}
defer killBash(containerID, command, pidMap)
defer slave.Close()
tty, err := terminal.NewLocalWsSession(cols, rows, wsConn, slave)
if wshandleError(wsConn, err) {
return
}
quitChan := make(chan bool, 3)
tty.Start(quitChan)
go slave.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 ctlerr := ws.WriteControl(websocket.CloseMessage, []byte(err.Error()), dt); ctlerr != nil {
wsData, err := json.Marshal(terminal.WsMsg{
Type: terminal.WsMsgCmd,
Data: base64.StdEncoding.EncodeToString([]byte(err.Error())),
})
if err != nil {
_ = ws.WriteMessage(websocket.TextMessage, []byte("{\"type\":\"cmd\",\"data\":\"failed to encoding to json\"}"))
} else {
_ = ws.WriteMessage(websocket.TextMessage, wsData)
}
}
return true
}
return false
}
func loadMapFromDockerTop(containerID string) map[string]string {
pidMap := make(map[string]string)
sudo := cmd.SudoHandleCmd()
stdout, err := cmd.Execf("%s docker top %s -eo pid,command ", sudo, containerID)
if err != nil {
return pidMap
}
lines := strings.Split(stdout, "\n")
for _, line := range lines {
parts := strings.Fields(line)
if len(parts) != 2 {
continue
}
pidMap[parts[0]] = parts[1]
}
return pidMap
}
func killBash(containerID, comm string, pidMap map[string]string) {
sudo := cmd.SudoHandleCmd()
newPidMap := loadMapFromDockerTop(containerID)
for pid, command := range newPidMap {
isOld := false
for pid2 := range pidMap {
if pid == pid2 {
isOld = true
break
}
}
if !isOld && command == comm {
_, _ = cmd.Execf("%s kill -9 %s", sudo, pid)
}
}
}
var upGrader = websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024 * 1024 * 10,
CheckOrigin: func(r *http.Request) bool {
return true
},
}