mirror of
https://github.com/lwch/natpass.git
synced 2024-04-21 12:41:54 +00:00
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package shell
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import (
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"fmt"
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"net/http"
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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/network"
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"github.com/lwch/runtime"
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)
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// New new shell
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func (shell *Shell) New(conn *conn.Conn, w http.ResponseWriter, r *http.Request) {
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id, err := runtime.UUID(16, "0123456789abcdef")
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if err != nil {
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logging.Error("failed to generate link_id for shell: %s, err=%v",
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shell.Name, err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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link := shell.NewLink(id, shell.cfg.Target, nil, conn).(*Link)
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conn.SendConnectReq(id, shell.cfg)
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ch := conn.ChanRead(id)
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timeout := time.After(shell.readTimeout)
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var repMsg *network.Msg
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for {
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var msg *network.Msg
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select {
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case msg = <-ch:
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case <-timeout:
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logging.Error("create shell %s by rule %s failed, timtout", link.id, link.parent.Name)
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http.Error(w, "timeout", http.StatusBadGateway)
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return
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}
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if msg.GetXType() != network.Msg_connect_rep {
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conn.Requeue(id, msg)
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time.Sleep(shell.readTimeout / 10)
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continue
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}
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rep := msg.GetCrep()
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if !rep.GetOk() {
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logging.Error("create shell %s by rule %s failed, err=%s",
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link.id, link.parent.Name, rep.GetMsg())
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http.Error(w, rep.GetMsg(), http.StatusBadGateway)
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return
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}
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repMsg = msg
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break
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}
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logging.Info("create link %s for shell rule [%s] from %s to %s",
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link.GetID(), shell.cfg.Name,
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repMsg.GetTo(), repMsg.GetFrom())
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fmt.Fprint(w, id)
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}
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