mirror of
https://github.com/juanfont/headscale.git
synced 2024-11-23 18:15:26 +00:00
Remove Gin from the Registration handler
This commit is contained in:
Juan Font Alonso
parent
e611063669
commit
dedeb4c181
114
api.go
114
api.go
@ -12,7 +12,7 @@ import (
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/gorilla/mux"
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"github.com/klauspost/compress/zstd"
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"github.com/rs/zerolog/log"
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"gorm.io/gorm"
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@ -96,10 +96,23 @@ func (h *Headscale) RegisterWebAPI(
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}
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// RegistrationHandler handles the actual registration process of a machine
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// Endpoint /machine/:id.
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func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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body, _ := io.ReadAll(ctx.Request.Body)
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machineKeyStr := ctx.Param("id")
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// Endpoint /machine/:mkey.
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func (h *Headscale) RegistrationHandler(
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w http.ResponseWriter,
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r *http.Request,
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) {
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vars := mux.Vars(r)
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machineKeyStr, ok := vars["mkey"]
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if !ok || machineKeyStr == "" {
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log.Error().
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Str("handler", "RegistrationHandler").
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Msg("No machine ID in request")
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http.Error(w, "No machine ID in request", http.StatusBadRequest)
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return
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}
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body, _ := io.ReadAll(r.Body)
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var machineKey key.MachinePublic
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err := machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machineKeyStr)))
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@ -109,7 +122,7 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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Err(err).
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Msg("Cannot parse machine key")
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machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
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ctx.String(http.StatusInternalServerError, "Sad!")
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http.Error(w, "Cannot parse machine key", http.StatusBadRequest)
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return
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}
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@ -121,7 +134,7 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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Err(err).
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Msg("Cannot decode message")
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machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
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ctx.String(http.StatusInternalServerError, "Very sad!")
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http.Error(w, "Cannot decode message", http.StatusBadRequest)
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return
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}
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@ -135,7 +148,7 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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// If the machine has AuthKey set, handle registration via PreAuthKeys
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if req.Auth.AuthKey != "" {
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h.handleAuthKey(ctx, machineKey, req)
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h.handleAuthKey(w, r, machineKey, req)
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return
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}
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@ -179,7 +192,7 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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registerCacheExpiration,
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)
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h.handleMachineRegistrationNew(ctx, machineKey, req)
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h.handleMachineRegistrationNew(w, r, machineKey, req)
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return
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}
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@ -195,7 +208,7 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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// The client sends an Expiry in the past if the client is requesting to expire the key (aka logout)
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// https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L648
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if !req.Expiry.IsZero() && req.Expiry.UTC().Before(now) {
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h.handleMachineLogOut(ctx, machineKey, *machine)
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h.handleMachineLogOut(w, r, machineKey, *machine)
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return
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}
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@ -203,7 +216,7 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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// If machine is not expired, and is register, we have a already accepted this machine,
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// let it proceed with a valid registration
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if !machine.isExpired() {
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h.handleMachineValidRegistration(ctx, machineKey, *machine)
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h.handleMachineValidRegistration(w, r, machineKey, *machine)
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return
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}
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@ -212,13 +225,13 @@ func (h *Headscale) RegistrationHandler(ctx *gin.Context) {
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// The NodeKey we have matches OldNodeKey, which means this is a refresh after a key expiration
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if machine.NodeKey == NodePublicKeyStripPrefix(req.OldNodeKey) &&
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!machine.isExpired() {
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h.handleMachineRefreshKey(ctx, machineKey, req, *machine)
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h.handleMachineRefreshKey(w, r, machineKey, req, *machine)
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return
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}
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// The machine has expired
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h.handleMachineExpired(ctx, machineKey, req, *machine)
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h.handleMachineExpired(w, r, machineKey, req, *machine)
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return
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}
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@ -363,7 +376,8 @@ func (h *Headscale) getMapKeepAliveResponse(
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}
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func (h *Headscale) handleMachineLogOut(
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ctx *gin.Context,
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w http.ResponseWriter,
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r *http.Request,
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machineKey key.MachinePublic,
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machine Machine,
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) {
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@ -384,15 +398,19 @@ func (h *Headscale) handleMachineLogOut(
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Caller().
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Err(err).
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Msg("Cannot encode message")
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ctx.String(http.StatusInternalServerError, "")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write(respBody)
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}
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func (h *Headscale) handleMachineValidRegistration(
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ctx *gin.Context,
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w http.ResponseWriter,
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r *http.Request,
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machineKey key.MachinePublic,
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machine Machine,
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) {
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@ -416,17 +434,21 @@ func (h *Headscale) handleMachineValidRegistration(
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Msg("Cannot encode message")
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machineRegistrations.WithLabelValues("update", "web", "error", machine.Namespace.Name).
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Inc()
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ctx.String(http.StatusInternalServerError, "")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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machineRegistrations.WithLabelValues("update", "web", "success", machine.Namespace.Name).
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Inc()
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ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write(respBody)
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}
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func (h *Headscale) handleMachineExpired(
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ctx *gin.Context,
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w http.ResponseWriter,
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r *http.Request,
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machineKey key.MachinePublic,
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registerRequest tailcfg.RegisterRequest,
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machine Machine,
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@ -439,7 +461,7 @@ func (h *Headscale) handleMachineExpired(
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Msg("Machine registration has expired. Sending a authurl to register")
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if registerRequest.Auth.AuthKey != "" {
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h.handleAuthKey(ctx, machineKey, registerRequest)
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h.handleAuthKey(w, r, machineKey, registerRequest)
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return
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}
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@ -460,17 +482,21 @@ func (h *Headscale) handleMachineExpired(
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Msg("Cannot encode message")
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machineRegistrations.WithLabelValues("reauth", "web", "error", machine.Namespace.Name).
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Inc()
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ctx.String(http.StatusInternalServerError, "")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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machineRegistrations.WithLabelValues("reauth", "web", "success", machine.Namespace.Name).
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Inc()
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ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write(respBody)
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}
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func (h *Headscale) handleMachineRefreshKey(
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ctx *gin.Context,
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w http.ResponseWriter,
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r *http.Request,
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machineKey key.MachinePublic,
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registerRequest tailcfg.RegisterRequest,
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machine Machine,
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@ -487,7 +513,7 @@ func (h *Headscale) handleMachineRefreshKey(
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Caller().
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Err(err).
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Msg("Failed to update machine key in the database")
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ctx.String(http.StatusInternalServerError, "Internal server error")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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@ -500,15 +526,19 @@ func (h *Headscale) handleMachineRefreshKey(
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Caller().
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Err(err).
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Msg("Cannot encode message")
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ctx.String(http.StatusInternalServerError, "Internal server error")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write(respBody)
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}
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func (h *Headscale) handleMachineRegistrationNew(
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ctx *gin.Context,
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w http.ResponseWriter,
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r *http.Request,
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machineKey key.MachinePublic,
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registerRequest tailcfg.RegisterRequest,
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) {
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@ -535,16 +565,20 @@ func (h *Headscale) handleMachineRegistrationNew(
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Caller().
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Err(err).
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Msg("Cannot encode message")
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ctx.String(http.StatusInternalServerError, "")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write(respBody)
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}
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// TODO: check if any locks are needed around IP allocation.
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func (h *Headscale) handleAuthKey(
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ctx *gin.Context,
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w http.ResponseWriter,
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r *http.Request,
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machineKey key.MachinePublic,
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registerRequest tailcfg.RegisterRequest,
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) {
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@ -573,14 +607,17 @@ func (h *Headscale) handleAuthKey(
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Str("machine", registerRequest.Hostinfo.Hostname).
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Err(err).
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Msg("Cannot encode message")
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ctx.String(http.StatusInternalServerError, "")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
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Inc()
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return
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}
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ctx.Data(http.StatusUnauthorized, "application/json; charset=utf-8", respBody)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusUnauthorized)
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w.Write(respBody)
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log.Error().
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Caller().
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Str("func", "handleAuthKey").
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@ -654,10 +691,7 @@ func (h *Headscale) handleAuthKey(
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Msg("could not register machine")
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machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
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Inc()
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ctx.String(
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http.StatusInternalServerError,
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"could not register machine",
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)
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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@ -677,13 +711,15 @@ func (h *Headscale) handleAuthKey(
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Msg("Cannot encode message")
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machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
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Inc()
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ctx.String(http.StatusInternalServerError, "Extremely sad!")
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "success", pak.Namespace.Name).
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Inc()
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ctx.Data(http.StatusOK, "application/json; charset=utf-8", respBody)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write(respBody)
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log.Info().
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Str("func", "handleAuthKey").
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Str("machine", registerRequest.Hostinfo.Hostname).
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