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48 lines
1.2 KiB
48 lines
1.2 KiB
6 years ago
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package remotedialer
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import (
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"context"
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"net/http"
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"time"
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"github.com/gorilla/websocket"
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"github.com/sirupsen/logrus"
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)
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type ConnectAuthorizer func(proto, address string) bool
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func ClientConnect(wsURL string, headers http.Header, dialer *websocket.Dialer, auth ConnectAuthorizer, onConnect func(context.Context) error) {
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if err := connectToProxy(wsURL, headers, auth, dialer, onConnect); err != nil {
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logrus.WithError(err).Error("Failed to connect to proxy")
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time.Sleep(time.Duration(5) * time.Second)
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}
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}
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func connectToProxy(proxyURL string, headers http.Header, auth ConnectAuthorizer, dialer *websocket.Dialer, onConnect func(context.Context) error) error {
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logrus.WithField("url", proxyURL).Info("Connecting to proxy")
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if dialer == nil {
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dialer = &websocket.Dialer{}
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}
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ws, _, err := dialer.Dial(proxyURL, headers)
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if err != nil {
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logrus.WithError(err).Error("Failed to connect to proxy")
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return err
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}
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defer ws.Close()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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if onConnect != nil {
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if err := onConnect(ctx); err != nil {
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return err
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}
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}
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session := NewClientSession(auth, ws)
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_, err = session.Serve()
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session.Close()
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return err
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}
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