mirror of
https://github.com/acepanel/panel.git
synced 2026-02-04 22:07:16 +08:00
139 lines
3.2 KiB
Go
139 lines
3.2 KiB
Go
package service
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import (
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"bufio"
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"context"
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"log/slog"
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"net/http"
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"github.com/coder/websocket"
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"github.com/leonelquinteros/gotext"
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stdssh "golang.org/x/crypto/ssh"
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"github.com/acepanel/panel/internal/biz"
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"github.com/acepanel/panel/internal/http/request"
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"github.com/acepanel/panel/pkg/config"
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"github.com/acepanel/panel/pkg/shell"
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"github.com/acepanel/panel/pkg/ssh"
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)
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type WsService struct {
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t *gotext.Locale
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conf *config.Config
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log *slog.Logger
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sshRepo biz.SSHRepo
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}
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func NewWsService(t *gotext.Locale, conf *config.Config, log *slog.Logger, ssh biz.SSHRepo) *WsService {
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return &WsService{
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t: t,
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conf: conf,
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log: log,
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sshRepo: ssh,
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}
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}
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func (s *WsService) Session(w http.ResponseWriter, r *http.Request) {
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req, err := Bind[request.ID](r)
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if err != nil {
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Error(w, http.StatusUnprocessableEntity, "%v", err)
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return
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}
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info, err := s.sshRepo.Get(req.ID)
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if err != nil {
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Error(w, http.StatusInternalServerError, "%v", err)
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return
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}
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ws, err := s.upgrade(w, r)
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if err != nil {
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s.log.Warn("[Websocket] upgrade session ws error", slog.Any("err", err))
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return
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}
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defer func(ws *websocket.Conn) { _ = ws.CloseNow() }(ws)
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client, err := ssh.NewSSHClient(info.Config)
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if err != nil {
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_ = ws.Close(websocket.StatusNormalClosure, err.Error())
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return
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}
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defer func(client *stdssh.Client) { _ = client.Close() }(client)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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turn, err := ssh.NewTurn(ctx, ws, client)
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if err != nil {
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_ = ws.Close(websocket.StatusNormalClosure, err.Error())
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return
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}
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go func() {
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defer turn.Close() // Handle 退出后关闭 SSH 连接，以结束 Wait 阶段
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_ = turn.Handle(ctx)
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}()
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turn.Wait()
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}
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func (s *WsService) Exec(w http.ResponseWriter, r *http.Request) {
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ws, err := s.upgrade(w, r)
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if err != nil {
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s.log.Warn("[Websocket] upgrade exec ws error", slog.Any("err", err))
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return
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}
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defer func(ws *websocket.Conn) { _ = ws.CloseNow() }(ws)
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// 第一条消息是命令
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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_, cmd, err := ws.Read(ctx)
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if err != nil {
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_ = ws.Close(websocket.StatusNormalClosure, s.t.Get("failed to read command: %v", err))
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return
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}
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out, err := shell.ExecfWithPipe(ctx, string(cmd))
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if err != nil {
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_ = ws.Close(websocket.StatusNormalClosure, s.t.Get("failed to run command: %v", err))
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return
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}
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go func() {
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scanner := bufio.NewScanner(out)
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for scanner.Scan() {
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line := scanner.Text()
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_ = ws.Write(ctx, websocket.MessageText, []byte(line))
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}
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if err = scanner.Err(); err != nil {
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_ = ws.Close(websocket.StatusNormalClosure, s.t.Get("failed to read command output: %v", err))
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}
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}()
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s.readLoop(ctx, ws)
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}
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func (s *WsService) upgrade(w http.ResponseWriter, r *http.Request) (*websocket.Conn, error) {
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opts := &websocket.AcceptOptions{
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CompressionMode: websocket.CompressionContextTakeover,
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}
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// debug 模式下不校验 origin，方便 vite 代理调试
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if s.conf.App.Debug {
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opts.InsecureSkipVerify = true
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}
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return websocket.Accept(w, r, opts)
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}
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// readLoop 阻塞直到客户端关闭连接
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func (s *WsService) readLoop(ctx context.Context, c *websocket.Conn) {
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for {
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if _, _, err := c.Read(ctx); err != nil {
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_ = c.CloseNow()
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break
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}
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}
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}
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