mirror of
https://github.com/lwch/natpass.git
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126 lines
2.6 KiB
Go
126 lines
2.6 KiB
Go
package vnc
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import (
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"fmt"
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"net"
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"net/http"
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"sync"
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"time"
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"github.com/lwch/logging"
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"github.com/lwch/natpass/code/client/conn"
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"github.com/lwch/natpass/code/client/global"
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"github.com/lwch/natpass/code/client/rule"
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"github.com/lwch/natpass/code/network"
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"github.com/lwch/runtime"
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)
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// VNC vnc handler
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type VNC struct {
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sync.RWMutex
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Name string
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cfg *global.Rule
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link *Link
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readTimeout time.Duration
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writeTimeout time.Duration
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chClipboard chan *network.VncClipboard
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}
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// New new vnc
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func New(cfg *global.Rule, readTimeout, writeTimeout time.Duration) *VNC {
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return &VNC{
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Name: cfg.Name,
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cfg: cfg,
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readTimeout: readTimeout,
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writeTimeout: writeTimeout,
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chClipboard: make(chan *network.VncClipboard),
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}
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}
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// NewLink new link
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func (v *VNC) NewLink(id, remote string, localConn net.Conn, remoteConn *conn.Conn) rule.Link {
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remoteConn.AddLink(id)
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link := &Link{
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parent: v,
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id: id,
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target: remote,
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remote: remoteConn,
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}
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if v.link != nil {
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v.link.Close(true)
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}
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v.link = link
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return link
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}
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// GetName get vnc rule name
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func (v *VNC) GetName() string {
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return v.Name
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}
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// GetTypeName get vnc rule type name
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func (v *VNC) GetTypeName() string {
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return "vnc"
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}
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// GetTarget get target of this rule
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func (v *VNC) GetTarget() string {
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return v.cfg.Target
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}
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// GetLinks get rule links
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func (v *VNC) GetLinks() []rule.Link {
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if v.link != nil {
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return []rule.Link{v.link}
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}
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return nil
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}
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// GetRemote get remote target name
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func (v *VNC) GetRemote() string {
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return v.cfg.Target
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}
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// GetPort get listen port
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func (v *VNC) GetPort() uint16 {
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return v.cfg.LocalPort
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}
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// OnDisconnect on disconnect message
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func (v *VNC) OnDisconnect(id string) {
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// TODO
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}
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// Handle handle shell
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func (v *VNC) Handle(c *conn.Conn) {
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defer func() {
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if err := recover(); err != nil {
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logging.Error("close shell: %s, err=%v", v.Name, err)
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}
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}()
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pf := func(cb func(*conn.Conn, http.ResponseWriter, *http.Request)) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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cb(c, w, r)
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}
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}
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mux := http.NewServeMux()
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mux.HandleFunc("/new", pf(v.New))
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mux.HandleFunc("/ctrl", pf(v.Ctrl))
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mux.HandleFunc("/clipboard", pf(v.Clipboard))
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mux.HandleFunc("/ws/", pf(v.WS))
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mux.HandleFunc("/", v.Render)
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if v.cfg.LocalPort == 0 {
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v.cfg.LocalPort = global.GeneratePort()
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logging.Info("generate port for %s: %d", v.Name, v.cfg.LocalPort)
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}
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svr := &http.Server{
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Addr: fmt.Sprintf("%s:%d", v.cfg.LocalAddr, v.cfg.LocalPort),
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Handler: mux,
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}
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runtime.Assert(svr.ListenAndServe())
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}
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func (v *VNC) remove(id string) {
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v.link = nil
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}
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