Files
natpass/code/client/rule/vnc/vnc.go
T
2022-01-05 14:22:11 +08:00

111 lines
2.3 KiB
Go

package vnc
import (
"fmt"
"net"
"net/http"
"sync"
"github.com/jkstack/natpass/code/client/global"
"github.com/jkstack/natpass/code/client/pool"
"github.com/jkstack/natpass/code/client/rule"
"github.com/jkstack/natpass/code/network"
"github.com/lwch/logging"
"github.com/lwch/runtime"
)
// VNC vnc handler
type VNC struct {
sync.RWMutex
Name string
cfg global.Rule
link *Link
chClipboard chan *network.VncClipboard
}
// New new vnc
func New(cfg global.Rule) *VNC {
return &VNC{
Name: cfg.Name,
cfg: cfg,
chClipboard: make(chan *network.VncClipboard),
}
}
// NewLink new link
func (v *VNC) NewLink(id, remote string, remoteIdx uint32, localConn net.Conn, remoteConn *pool.Conn) rule.Link {
remoteConn.AddLink(id)
logging.Info("create link %s for rule %s on connection %d",
id, v.Name, remoteConn.Idx)
link := &Link{
parent: v,
id: id,
target: remote,
targetIdx: remoteIdx,
remote: remoteConn,
}
if v.link != nil {
v.link.close()
}
v.link = link
return link
}
// GetName get vnc rule name
func (v *VNC) GetName() string {
return v.Name
}
// GetTypeName get vnc rule type name
func (v *VNC) GetTypeName() string {
return "vnc"
}
// GetTarget get target of this rule
func (v *VNC) GetTarget() string {
return v.cfg.Target
}
// GetLinks get rule links
func (v *VNC) GetLinks() []rule.Link {
if v.link != nil {
return []rule.Link{v.link}
}
return nil
}
// GetRemote get remote target name
func (v *VNC) GetRemote() string {
return v.cfg.Target
}
// GetPort get listen port
func (v *VNC) GetPort() uint16 {
return v.cfg.LocalPort
}
// Handle handle shell
func (v *VNC) Handle(pl *pool.Pool) {
defer func() {
if err := recover(); err != nil {
logging.Error("close shell: %s, err=%v", v.Name, err)
}
}()
pf := func(cb func(*pool.Pool, http.ResponseWriter, *http.Request)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
cb(pl, w, r)
}
}
mux := http.NewServeMux()
mux.HandleFunc("/new", pf(v.New))
mux.HandleFunc("/ctrl", pf(v.Ctrl))
mux.HandleFunc("/clipboard", pf(v.Clipboard))
mux.HandleFunc("/ws/", pf(v.WS))
mux.HandleFunc("/", v.Render)
svr := &http.Server{
Addr: fmt.Sprintf("%s:%d", v.cfg.LocalAddr, v.cfg.LocalPort),
Handler: mux,
}
runtime.Assert(svr.ListenAndServe())
}