mirror of
https://github.com/veops/oneterm.git
synced 2025-10-05 15:27:01 +08:00
823 lines
20 KiB
Go
823 lines
20 KiB
Go
package controller
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import (
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"bufio"
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"bytes"
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"context"
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"errors"
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"fmt"
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"io"
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"net/http"
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"strings"
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"sync"
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"time"
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"unicode/utf8"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"github.com/gorilla/websocket"
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"github.com/nicksnyder/go-i18n/v2/i18n"
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"github.com/samber/lo"
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"github.com/spf13/cast"
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"go.uber.org/zap"
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"golang.org/x/crypto/ssh"
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"golang.org/x/sync/errgroup"
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"gorm.io/gorm"
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"github.com/veops/oneterm/acl"
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"github.com/veops/oneterm/api/guacd"
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mysql "github.com/veops/oneterm/db"
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myi18n "github.com/veops/oneterm/i18n"
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"github.com/veops/oneterm/logger"
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"github.com/veops/oneterm/model"
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gsession "github.com/veops/oneterm/session"
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"github.com/veops/oneterm/util"
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)
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var (
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Upgrader = websocket.Upgrader{
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ReadBufferSize: 4096,
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WriteBufferSize: 4096,
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CheckOrigin: func(r *http.Request) bool {
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return true
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},
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}
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)
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// Connect godoc
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//
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// @Tags connect
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// @Param w query int false "width"
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// @Param h query int false "height"
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// @Param dpi query int false "dpi"
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// @Success 200 {object} HttpResponse
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// @Param session_id path int true "session id"
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// @Router /connect/:session_id [get]
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func (c *Controller) Connecting(ctx *gin.Context) {
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sessionId := ctx.Param("session_id")
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var sess *gsession.Session
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ws, err := Upgrader.Upgrade(ctx.Writer, ctx.Request, http.Header{
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"sec-websocket-protocol": {ctx.GetHeader("sec-websocket-protocol")},
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})
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if err != nil {
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ctx.AbortWithError(http.StatusInternalServerError, err)
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return
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}
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defer ws.Close()
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defer func() {
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handleError(ctx, sess, err, ws)
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}()
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if sess, err = loadOnlineSessionById(sessionId, false); err != nil {
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return
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}
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sess.Connected.Store(true)
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if sess.IsSsh() {
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err = handleSsh(ctx, ws, sess)
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} else {
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err = handleGuacd(ctx, ws, sess)
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}
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}
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func handleSsh(ctx *gin.Context, ws *websocket.Conn, sess *gsession.Session) (err error) {
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chs := sess.Chans
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chs.WindowChan <- fmt.Sprintf("%s,%s,%s", ctx.Query("w"), ctx.Query("h"), ctx.Query("dpi"))
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tk, tk1s := time.NewTicker(time.Millisecond*100), time.NewTicker(time.Second)
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g, gctx := errgroup.WithContext(ctx)
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g.Go(func() error {
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return readWsMsg(gctx, ws, sess)
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})
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g.Go(func() error {
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for {
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select {
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case <-gctx.Done():
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return nil
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case closeBy := <-chs.CloseChan:
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out := []byte("\r\n \033[31m closed by admin")
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ws.WriteMessage(websocket.TextMessage, out)
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writeToMonitors(sess.Monitors, out)
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err := fmt.Errorf("colse by admin %s", closeBy)
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logger.L().Warn(err.Error())
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return err
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case err := <-chs.ErrChan:
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logger.L().Error("server disconnected", zap.Error(err))
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return err
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case in := <-chs.InChan:
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rt := in[0]
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msg := in[1:]
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switch rt {
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case '1':
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chs.Win.Write(msg)
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case '9':
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continue
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case 'w':
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chs.WindowChan <- string(msg)
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}
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case out := <-chs.OutChan:
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chs.Buf.Write(out)
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case <-tk.C:
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sendSshMsg(ws, sess)
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case <-tk1s.C:
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ws.WriteMessage(websocket.TextMessage, nil)
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writeToMonitors(sess.Monitors, nil)
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}
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}
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})
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err = g.Wait()
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return
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}
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func handleGuacd(ctx *gin.Context, ws *websocket.Conn, sess *gsession.Session) (err error) {
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defer sess.GuacdTunnel.Disconnect()
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chs := sess.Chans
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g, gctx := errgroup.WithContext(ctx)
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sess.IdleTimout = idleTime()
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sess.IdleTk = time.NewTicker(sess.IdleTimout)
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tk := time.NewTicker(time.Minute)
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asset := &model.Asset{}
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g.Go(func() error {
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return readWsMsg(gctx, ws, sess)
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})
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g.Go(func() error {
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for {
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select {
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case <-gctx.Done():
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return nil
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case closeBy := <-chs.CloseChan:
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return &ApiError{Code: ErrAdminClose, Data: map[string]any{"admin": closeBy}}
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case err := <-chs.ErrChan:
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logger.L().Error("disconnected", zap.Error(err))
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return err
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case <-tk.C:
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if mysql.DB.Model(asset).Where("id = ?", sess.AssetId).First(asset).Error != nil {
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continue
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}
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if checkTime(asset.AccessAuth) {
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continue
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}
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return &ApiError{Code: ErrAccessTime}
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case <-sess.IdleTk.C:
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return &ApiError{Code: ErrIdleTimeout, Data: map[string]any{"second": int64(sess.IdleTimout.Seconds())}}
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case out := <-chs.OutChan:
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ws.WriteMessage(websocket.TextMessage, out)
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}
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}
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})
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err = g.Wait()
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return
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}
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func sendSshMsg(ws *websocket.Conn, sess *gsession.Session) {
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chs := sess.Chans
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out := chs.Buf.Bytes()
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if len(out) <= 0 {
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return
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}
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if ws != nil {
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ws.WriteMessage(websocket.TextMessage, out)
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}
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if sess != nil && sess.IsSsh() {
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writeToMonitors(sess.Monitors, out)
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}
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chs.Buf.Reset()
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}
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// Connect godoc
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//
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// @Tags connect
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// @Success 200 {object} HttpResponse
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// @Param w query int false "width"
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// @Param h query int false "height"
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// @Param dpi query int false "dpi"
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// @Success 200 {object} HttpResponse{data=gsession.Session}
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// @Router /connect/:asset_id/:account_id/:protocol [post]
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func (c *Controller) Connect(ctx *gin.Context) {
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currentUser, _ := acl.GetSessionFromCtx(ctx)
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assetId, accountId := cast.ToInt(ctx.Param("asset_id")), cast.ToInt(ctx.Param("account_id"))
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asset, account, gateway, err := util.GetAAG(assetId, accountId)
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if err != nil {
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return
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}
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if !checkAuthorization(currentUser, asset, accountId) {
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ctx.AbortWithError(http.StatusInternalServerError, &ApiError{Code: ErrLogin, Data: map[string]any{"err": fmt.Errorf("invalid authorization")}})
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return
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}
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if !checkTime(asset.AccessAuth) {
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ctx.AbortWithError(http.StatusInternalServerError, &ApiError{Code: ErrAccessTime, Data: map[string]any{"err": fmt.Errorf("invalid authorization")}})
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return
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}
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sess := &gsession.Session{
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Session: &model.Session{
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SessionType: model.SESSIONTYPE_WEB,
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SessionId: uuid.New().String(),
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Uid: currentUser.GetUid(),
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UserName: currentUser.GetUserName(),
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AssetId: assetId,
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AssetInfo: fmt.Sprintf("%s(%s)", asset.Name, asset.Ip),
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AccountId: accountId,
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AccountInfo: fmt.Sprintf("%s(%s)", account.Name, account.Account),
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GatewayId: asset.GatewayId,
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GatewayInfo: lo.Ternary(asset.GatewayId == 0, "", fmt.Sprintf("%s(%s)", gateway.Name, gateway.Host)),
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ClientIp: ctx.ClientIP(),
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Protocol: ctx.Param("protocol"),
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Status: model.SESSIONSTATUS_ONLINE,
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},
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Chans: makeChans(),
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}
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switch strings.Split(sess.Protocol, ":")[0] {
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case "ssh":
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go connectSsh(ctx, sess, asset, account, gateway)
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case "vnc", "rdp":
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go connectGuacd(ctx, sess, asset, account, gateway)
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default:
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logger.L().Error("wrong protocol " + sess.Protocol)
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}
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if err := <-sess.Chans.ErrChan; err != nil {
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logger.L().Error("failed to connect", zap.Error(err))
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ctx.AbortWithError(http.StatusInternalServerError, &ApiError{Code: ErrConnectServer, Data: map[string]any{"err": err}})
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return
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}
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gsession.GetOnlineSession().Store(sess.SessionId, sess)
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gsession.HandleUpsertSession(ctx, sess)
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ctx.JSON(http.StatusOK, NewHttpResponseWithData(sess))
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// go connectable.CheckUpdate(cast.ToInt(ctx.Param("asset_id")))
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}
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func readWsMsg(ctx context.Context, ws *websocket.Conn, session *gsession.Session) error {
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chs := session.Chans
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for {
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select {
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case <-ctx.Done():
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return nil
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default:
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t, msg, err := ws.ReadMessage()
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if err != nil {
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return err
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}
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if len(msg) <= 0 {
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logger.L().Warn("websocket msg length is zero")
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continue
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}
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switch t {
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case websocket.TextMessage:
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chs.InChan <- msg
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if !session.IsSsh() && guacd.IsActive(msg) {
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session.IdleTk.Reset(session.IdleTimout)
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}
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}
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}
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}
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}
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func makeChans() *gsession.SessionChans {
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rin, win := io.Pipe()
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return &gsession.SessionChans{
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Rin: rin,
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Win: win,
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ErrChan: make(chan error),
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RespChan: make(chan *gsession.ServerResp),
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InChan: make(chan []byte),
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OutChan: make(chan []byte),
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Buf: &bytes.Buffer{},
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WindowChan: make(chan string),
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AwayChan: make(chan struct{}),
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CloseChan: make(chan string),
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}
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}
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func connectSsh(ctx *gin.Context, sess *gsession.Session, asset *model.Asset, account *model.Account, gateway *model.Gateway) (err error) {
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chs := sess.Chans
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w, h := cast.ToInt(ctx.Query("w")), cast.ToInt(ctx.Query("h"))
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defer func() {
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chs.ErrChan <- err
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}()
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ip, port, err := util.Proxy(uuid.New().String(), "ssh", asset, gateway)
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if err != nil {
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return
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}
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auth, err := util.GetAuth(account)
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if err != nil {
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return
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}
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sshCli, err := ssh.Dial("tcp", fmt.Sprintf("%s:%d", ip, port), &ssh.ClientConfig{
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User: account.Account,
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Auth: []ssh.AuthMethod{auth},
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HostKeyCallback: ssh.InsecureIgnoreHostKey(),
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Timeout: time.Second * 3,
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})
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if err != nil {
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return
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}
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sshSess, err := sshCli.NewSession()
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if err != nil {
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logger.L().Error("ssh session create failed", zap.Error(err))
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return
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}
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defer sshSess.Close()
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rout, wout := io.Pipe()
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sshSess.Stdout = wout
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sshSess.Stderr = wout
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sshSess.Stdin = chs.Rin
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modes := ssh.TerminalModes{
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ssh.ECHO: 1,
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ssh.TTY_OP_ISPEED: 14400,
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ssh.TTY_OP_OSPEED: 14400,
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}
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if err = sshSess.RequestPty("xterm", h, w, modes); err != nil {
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logger.L().Error("ssh request pty failed", zap.Error(err))
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return
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}
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if err = sshSess.Shell(); err != nil {
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logger.L().Error("ssh start shell failed", zap.Error(err))
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return
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}
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chs.ErrChan <- nil
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buf := bufio.NewReader(rout)
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g, gctx := errgroup.WithContext(context.Background())
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waitCh := make(chan error)
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go func() {
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waitCh <- sshSess.Wait()
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}()
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g.Go(func() error {
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for {
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select {
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case <-gctx.Done():
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return nil
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default:
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rn, size, err := buf.ReadRune()
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if isCtxDone(gctx) {
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return nil
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}
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if err != nil {
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logger.L().Debug("buf ReadRune failed", zap.Error(err))
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return err
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}
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if size <= 0 || rn == utf8.RuneError {
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continue
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}
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p := make([]byte, utf8.RuneLen(rn))
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utf8.EncodeRune(p, rn)
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chs.OutChan <- p
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}
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}
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})
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g.Go(func() error {
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defer rout.Close()
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for {
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select {
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case <-gctx.Done():
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return nil
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case err = <-waitCh:
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return err
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case <-chs.AwayChan:
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logger.L().Debug("doSsh away")
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return fmt.Errorf("away")
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case s := <-chs.WindowChan:
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wh := strings.Split(s, ",")
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if len(wh) < 2 {
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continue
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}
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w = cast.ToInt(wh[0])
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h = cast.ToInt(wh[1])
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if w <= 0 || h <= 0 {
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continue
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}
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if err := sshSess.WindowChange(h, w); err != nil {
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logger.L().Warn("reset window size failed", zap.Error(err))
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}
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}
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}
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})
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if err = g.Wait(); err != nil {
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logger.L().Warn("doSsh stopped", zap.Error(err))
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}
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return
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}
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func connectGuacd(ctx *gin.Context, sess *gsession.Session, asset *model.Asset, account *model.Account, gateway *model.Gateway) {
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chs := sess.Chans
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var err error
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defer func() {
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chs.ErrChan <- err
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}()
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w, h, dpi := cast.ToInt(ctx.Query("w")), cast.ToInt(ctx.Query("h")), cast.ToInt(ctx.Query("dpi"))
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t, err := guacd.NewTunnel("", w, h, dpi, sess.Protocol, asset, account, gateway)
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if err != nil {
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logger.L().Error("guacd tunnel failed", zap.Error(err))
|
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return
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}
|
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session := newGuacdSession(ctx, t.ConnectionId, t.SessionId, asset, account, gateway)
|
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if err = gsession.HandleUpsertSession(ctx, session); err != nil {
|
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return
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}
|
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session.GuacdTunnel = t
|
|
|
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chs.ErrChan <- nil
|
|
|
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g, gctx := errgroup.WithContext(context.Background())
|
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g.Go(func() error {
|
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for {
|
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select {
|
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case <-gctx.Done():
|
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return nil
|
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case <-time.After(time.Minute):
|
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if !session.Connected.Load() {
|
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session.Chans.AwayChan <- struct{}{}
|
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}
|
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return nil
|
|
}
|
|
}
|
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})
|
|
g.Go(func() error {
|
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for {
|
|
select {
|
|
case <-gctx.Done():
|
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return nil
|
|
default:
|
|
p, err := t.Read()
|
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if isCtxDone(gctx) {
|
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return nil
|
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}
|
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if err != nil {
|
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logger.L().Debug("read instruction failed", zap.Error(err))
|
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return err
|
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}
|
|
if len(p) <= 0 {
|
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continue
|
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}
|
|
|
|
chs.OutChan <- p
|
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}
|
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}
|
|
})
|
|
g.Go(func() error {
|
|
defer func() {
|
|
t.Disconnect()
|
|
session.Status = model.SESSIONSTATUS_OFFLINE
|
|
session.ClosedAt = lo.ToPtr(time.Now())
|
|
if err = gsession.HandleUpsertSession(ctx, session); err != nil {
|
|
logger.L().Error("offline guacd session failed", zap.Error(err))
|
|
return
|
|
}
|
|
}()
|
|
for {
|
|
select {
|
|
case <-gctx.Done():
|
|
return nil
|
|
case <-chs.AwayChan:
|
|
return fmt.Errorf("away")
|
|
case in := <-chs.InChan:
|
|
t.Write(in)
|
|
}
|
|
}
|
|
})
|
|
if err = g.Wait(); err != nil {
|
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logger.L().Warn("doGuacd stopped", zap.Error(err))
|
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}
|
|
}
|
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|
|
func newGuacdSession(ctx *gin.Context, connectionId, sessionId string, asset *model.Asset, account *model.Account, gateway *model.Gateway) *gsession.Session {
|
|
currentUser, _ := acl.GetSessionFromCtx(ctx)
|
|
return &gsession.Session{
|
|
Session: &model.Session{
|
|
SessionType: model.SESSIONTYPE_WEB,
|
|
SessionId: sessionId,
|
|
Uid: currentUser.GetUid(),
|
|
UserName: currentUser.GetUserName(),
|
|
AssetId: asset.Id,
|
|
AssetInfo: fmt.Sprintf("%s(%s)", asset.Name, asset.Ip),
|
|
AccountId: account.Id,
|
|
AccountInfo: fmt.Sprintf("%s(%s)", account.Name, account.Account),
|
|
GatewayId: gateway.Id,
|
|
GatewayInfo: lo.Ternary(gateway.Id == 0, "", fmt.Sprintf("%s:%d", gateway.Host, gateway.Port)),
|
|
ClientIp: ctx.ClientIP(),
|
|
Protocol: ctx.Param("protocol"),
|
|
Status: model.SESSIONSTATUS_ONLINE,
|
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},
|
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ConnectionId: connectionId,
|
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}
|
|
}
|
|
|
|
func writeToMonitors(monitors *sync.Map, out []byte) {
|
|
monitors.Range(func(key, value any) bool {
|
|
ws, ok := value.(*websocket.Conn)
|
|
if !ok || ws == nil {
|
|
return true
|
|
}
|
|
ws.WriteMessage(websocket.TextMessage, out)
|
|
return true
|
|
})
|
|
}
|
|
|
|
// ConnectMonitor godoc
|
|
//
|
|
// @Tags connect
|
|
// @Success 200 {object} HttpResponse
|
|
// @Router /connect/monitor/:session_id [get]
|
|
func (c *Controller) ConnectMonitor(ctx *gin.Context) {
|
|
currentUser, _ := acl.GetSessionFromCtx(ctx)
|
|
|
|
sessionId := ctx.Param("session_id")
|
|
var sess *gsession.Session
|
|
ws, err := Upgrader.Upgrade(ctx.Writer, ctx.Request, http.Header{
|
|
"sec-websocket-protocol": {ctx.GetHeader("sec-websocket-protocol")},
|
|
})
|
|
if err != nil {
|
|
ctx.AbortWithError(http.StatusInternalServerError, err)
|
|
return
|
|
}
|
|
defer ws.Close()
|
|
|
|
defer func() {
|
|
handleError(ctx, sess, err, ws)
|
|
}()
|
|
|
|
if !acl.IsAdmin(currentUser) {
|
|
ctx.AbortWithError(http.StatusBadRequest, &ApiError{Code: ErrNoPerm, Data: map[string]any{"perm": "monitor session"}})
|
|
return
|
|
}
|
|
|
|
if sess, err = loadOnlineSessionById(sessionId, true); err != nil {
|
|
return
|
|
}
|
|
|
|
g, gctx := errgroup.WithContext(ctx)
|
|
chs := makeChans()
|
|
if !sess.IsSsh() {
|
|
g.Go(func() error {
|
|
return monitGuacd(ctx, sess, ws)
|
|
})
|
|
}
|
|
|
|
key := fmt.Sprintf("%d-%s-%d", currentUser.Uid, sessionId, time.Now().Nanosecond())
|
|
sess.Monitors.Store(key, ws)
|
|
defer func() {
|
|
sess.Monitors.Delete(key)
|
|
if sess.IsSsh() {
|
|
if sess.SessionType == model.SESSIONTYPE_CLIENT && !sess.HasMonitors() {
|
|
close(chs.AwayChan)
|
|
}
|
|
} else {
|
|
close(chs.AwayChan)
|
|
}
|
|
}()
|
|
|
|
g.Go(func() error {
|
|
for {
|
|
select {
|
|
case <-gctx.Done():
|
|
return nil
|
|
default:
|
|
_, p, err := ws.ReadMessage()
|
|
if err != nil {
|
|
logger.L().Warn("end monitor", zap.Error(err))
|
|
return err
|
|
}
|
|
if !sess.IsSsh() {
|
|
chs.InChan <- p
|
|
}
|
|
}
|
|
}
|
|
})
|
|
|
|
err = g.Wait()
|
|
}
|
|
|
|
func monitGuacd(ctx *gin.Context, sess *gsession.Session, ws *websocket.Conn) (err error) {
|
|
connectionId, chs := sess.ConnectionId, makeChans()
|
|
w, h, dpi := cast.ToInt(ctx.Query("w")), cast.ToInt(ctx.Query("h")), cast.ToInt(ctx.Query("dpi"))
|
|
|
|
defer func() {
|
|
chs.ErrChan <- err
|
|
}()
|
|
|
|
t, err := guacd.NewTunnel(connectionId, w, h, dpi, ":", nil, nil, nil)
|
|
if err != nil {
|
|
logger.L().Error("guacd tunnel failed", zap.Error(err))
|
|
return
|
|
}
|
|
|
|
g, gctx := errgroup.WithContext(ctx)
|
|
g.Go(func() error {
|
|
for {
|
|
select {
|
|
case <-gctx.Done():
|
|
return nil
|
|
default:
|
|
p, err := t.Read()
|
|
if err != nil {
|
|
logger.L().Debug("read instruction failed", zap.Error(err))
|
|
return err
|
|
}
|
|
if len(p) <= 0 {
|
|
continue
|
|
}
|
|
chs.OutChan <- p
|
|
}
|
|
}
|
|
})
|
|
g.Go(func() error {
|
|
for {
|
|
select {
|
|
case closeBy := <-chs.CloseChan:
|
|
err := fmt.Errorf("colse by admin %s", closeBy)
|
|
ws.WriteMessage(websocket.TextMessage, guacd.NewInstruction("disconnect", err.Error()).Bytes())
|
|
logger.L().Warn(err.Error())
|
|
return err
|
|
case err := <-chs.ErrChan:
|
|
logger.L().Error("disconnected", zap.Error(err))
|
|
return err
|
|
case out := <-chs.OutChan:
|
|
ws.WriteMessage(websocket.TextMessage, out)
|
|
case in := <-chs.InChan:
|
|
t.Write(in)
|
|
}
|
|
}
|
|
})
|
|
if err = g.Wait(); err != nil {
|
|
logger.L().Warn("monit guacd stopped", zap.Error(err))
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
// ConnectClose godoc
|
|
//
|
|
// @Tags connect
|
|
// @Success 200 {object} HttpResponse
|
|
// @Router /connect/close/:session_id [post]
|
|
func (c *Controller) ConnectClose(ctx *gin.Context) {
|
|
currentUser, _ := acl.GetSessionFromCtx(ctx)
|
|
if !acl.IsAdmin(currentUser) {
|
|
ctx.AbortWithError(http.StatusBadRequest, &ApiError{Code: ErrNoPerm, Data: map[string]any{"perm": "close session"}})
|
|
return
|
|
}
|
|
|
|
session := &gsession.Session{}
|
|
err := mysql.DB.
|
|
Model(session).
|
|
Where("session_id = ?", ctx.Param("session_id")).
|
|
Where("status = ?", model.SESSIONSTATUS_ONLINE).
|
|
First(session).
|
|
Error
|
|
if errors.Is(err, gorm.ErrRecordNotFound) {
|
|
ctx.JSON(http.StatusOK, defaultHttpResponse)
|
|
return
|
|
}
|
|
if err != nil {
|
|
ctx.AbortWithError(http.StatusBadRequest, &ApiError{Code: ErrInvalidArgument, Data: map[string]any{"err": "invalid session id"}})
|
|
return
|
|
}
|
|
|
|
logger.L().Info("closing...", zap.String("sessionId", session.SessionId), zap.Int("type", session.SessionType))
|
|
defer offlineSession(ctx, session.SessionId, currentUser.GetUserName())
|
|
|
|
session.Status = model.SESSIONSTATUS_OFFLINE
|
|
session.ClosedAt = lo.ToPtr(time.Now())
|
|
gsession.HandleUpsertSession(ctx, session)
|
|
|
|
ctx.JSON(http.StatusOK, defaultHttpResponse)
|
|
}
|
|
|
|
func offlineSession(ctx *gin.Context, sessionId string, closer string) {
|
|
logger.L().Debug("offline", zap.String("session_id", sessionId), zap.String("closer", closer))
|
|
defer gsession.GetOnlineSession().Delete(sessionId)
|
|
v, ok := gsession.GetOnlineSession().Load(sessionId)
|
|
if ok {
|
|
if session, ok := v.(*gsession.Session); ok {
|
|
if closer != "" && session.Chans != nil {
|
|
select {
|
|
case session.Chans.CloseChan <- closer:
|
|
break
|
|
case <-time.After(time.Second):
|
|
break
|
|
}
|
|
|
|
}
|
|
session.Monitors.Range(func(key, value any) bool {
|
|
ws, ok := value.(*websocket.Conn)
|
|
if ok && ws != nil {
|
|
lang := ctx.PostForm("lang")
|
|
accept := ctx.GetHeader("Accept-Language")
|
|
localizer := i18n.NewLocalizer(myi18n.Bundle, lang, accept)
|
|
cfg := &i18n.LocalizeConfig{
|
|
TemplateData: map[string]any{"sessionId": sessionId},
|
|
DefaultMessage: myi18n.MsgSessionEnd,
|
|
}
|
|
msg, _ := localizer.Localize(cfg)
|
|
ws.WriteMessage(websocket.TextMessage, []byte(msg))
|
|
ws.Close()
|
|
}
|
|
return true
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
func checkTime(data *model.AccessAuth) bool {
|
|
now := time.Now()
|
|
in := true
|
|
if (data.Start != nil && now.Before(*data.Start)) || (data.End != nil && now.After(*data.End)) {
|
|
in = false
|
|
}
|
|
if !in {
|
|
return false
|
|
}
|
|
in = false
|
|
has := false
|
|
week, hm := now.Weekday(), now.Format("15:04")
|
|
for _, r := range data.Ranges {
|
|
has = has || len(r.Times) > 0
|
|
if (r.Week+1)%7 == int(week) {
|
|
for _, str := range r.Times {
|
|
ss := strings.Split(str, "~")
|
|
in = in || (len(ss) >= 2 && hm >= ss[0] && hm <= ss[1])
|
|
}
|
|
}
|
|
}
|
|
return !has || in == data.Allow
|
|
}
|
|
|
|
func checkAuthorization(user *acl.Session, asset *model.Asset, accountId int) bool {
|
|
return acl.IsAdmin(user) || lo.Contains(asset.Authorization[accountId], user.GetRid())
|
|
}
|
|
|
|
func loadOnlineSessionById(sessionId string, isMonit bool) (session *gsession.Session, err error) {
|
|
v, ok := gsession.GetOnlineSession().Load(sessionId)
|
|
if !ok {
|
|
err = &ApiError{Code: ErrInvalidSessionId, Data: map[string]any{"sessionId": sessionId}}
|
|
return
|
|
}
|
|
session, ok = v.(*gsession.Session)
|
|
if !ok {
|
|
err = &ApiError{Code: ErrLoadSession, Data: map[string]any{"err": "invalid type"}}
|
|
return
|
|
}
|
|
if !isMonit && session.Connected.Load() {
|
|
err = &ApiError{Code: ErrInvalidSessionId, Data: map[string]any{"sessionId": sessionId}}
|
|
return
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func handleError(ctx *gin.Context, sess *gsession.Session, err error, ws *websocket.Conn) {
|
|
defer func() {
|
|
close(sess.Chans.AwayChan)
|
|
}()
|
|
|
|
if err == nil {
|
|
return
|
|
}
|
|
logger.L().Debug("", zap.String("session_id", sess.SessionId), zap.Error(err))
|
|
ae, ok := err.(*ApiError)
|
|
if !ok {
|
|
return
|
|
}
|
|
if sess.IsSsh() {
|
|
ws.WriteMessage(websocket.TextMessage, []byte(ae.MessageWithCtx(ctx)))
|
|
} else {
|
|
ws.WriteMessage(websocket.TextMessage, guacd.NewInstruction("error", (ae).MessageBase64(ctx), cast.ToString(ErrAdminClose)).Bytes())
|
|
}
|
|
// ctx.AbortWithError(http.StatusBadRequest, err)
|
|
}
|
|
|
|
func isCtxDone(ctx context.Context) bool {
|
|
select {
|
|
case _, ok := <-ctx.Done():
|
|
return !ok
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func idleTime() (d time.Duration) {
|
|
d = time.Hour * 2
|
|
cfg := &model.Config{}
|
|
if err := mysql.DB.Where(cfg).First(cfg).Error; err != nil {
|
|
return
|
|
}
|
|
d = time.Second * time.Duration(cfg.Timeout)
|
|
return
|
|
}
|