headscale/hscontrol/auth_legacy.go

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//go:build ts2019
package hscontrol
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import (
"io"
"net/http"
"github.com/gorilla/mux"
"github.com/juanfont/headscale/hscontrol/util"
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"github.com/rs/zerolog/log"
"tailscale.com/tailcfg"
"tailscale.com/types/key"
)
// RegistrationHandler handles the actual registration process of a machine
// Endpoint /machine/:mkey.
func (h *Headscale) RegistrationHandler(
writer http.ResponseWriter,
req *http.Request,
) {
vars := mux.Vars(req)
machineKeyStr, ok := vars["mkey"]
if !ok || machineKeyStr == "" {
log.Error().
Str("handler", "RegistrationHandler").
Msg("No machine ID in request")
http.Error(writer, "No machine ID in request", http.StatusBadRequest)
return
}
body, _ := io.ReadAll(req.Body)
var machineKey key.MachinePublic
err := machineKey.UnmarshalText([]byte("mkey:" + machineKeyStr))
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if err != nil {
log.Error().
Caller().
Err(err).
Msg("Cannot parse machine key")
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nodeRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
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http.Error(writer, "Cannot parse machine key", http.StatusBadRequest)
return
}
registerRequest := tailcfg.RegisterRequest{}
err = util.DecodeAndUnmarshalNaCl(body, &registerRequest, &machineKey, h.privateKey2019)
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if err != nil {
log.Error().
Caller().
Err(err).
Msg("Cannot decode message")
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nodeRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
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http.Error(writer, "Cannot decode message", http.StatusBadRequest)
return
}
h.handleRegister(writer, req, registerRequest, machineKey, false)
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}