| 45 | } |
| 46 | |
| 47 | func NewProxyHandler(config *Config) *ProxyHandler { |
| 48 | d := config.Dialer |
| 49 | if d == nil { |
| 50 | d = dialer.NewBoundDialer(nil, "") |
| 51 | } |
| 52 | httptransport := &http.Transport{ |
| 53 | DialContext: d.DialContext, |
| 54 | DisableKeepAlives: true, |
| 55 | } |
| 56 | a := config.Auth |
| 57 | if a == nil { |
| 58 | a = auth.NoAuth{} |
| 59 | } |
| 60 | l := config.Logger |
| 61 | if l == nil { |
| 62 | l = clog.NewCondLogger(log.New(io.Discard, "", 0), 0) |
| 63 | } |
| 64 | f := config.Forward |
| 65 | if f == nil { |
| 66 | f = forward.PairConnections |
| 67 | } |
| 68 | return &ProxyHandler{ |
| 69 | auth: a, |
| 70 | directResponse: config.DirectResponse, |
| 71 | accessReject: config.AccessReject, |
| 72 | logger: l, |
| 73 | dialer: d, |
| 74 | forward: f, |
| 75 | httptransport: httptransport, |
| 76 | outbound: make(map[string]string), |
| 77 | userIPHints: config.UserIPHints, |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | func (s *ProxyHandler) HandleTunnel(wr http.ResponseWriter, req *http.Request, username string) { |
| 82 | conn, err := s.dialer.DialContext(req.Context(), "tcp", req.RequestURI) |