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This commit is contained in:
Raal Goff 2021-10-29 21:35:07 +08:00
parent dbe193ad17
commit 2d252da221
3 changed files with 23 additions and 11 deletions
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11
api.go
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@ -111,7 +111,8 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
// We have the updated key!
if m.NodeKey == wgkey.Key(req.NodeKey).HexString() {
// The client sends an Expiry in the past if the client is requesting a logout
// The client sends an Expiry in the past if the client is requesting to expire the key (aka logout)
// https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L648
if !req.Expiry.IsZero() && req.Expiry.UTC().Before(now) {
log.Info().
Str("handler", "Registration").
@ -178,7 +179,13 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
strings.TrimSuffix(h.cfg.ServerURL, "/"), mKey.HexString())
}
m.RequestedExpiry = &req.Expiry // save the requested expiry time for retrieval later in the authentication flow
// When a client connects, it may request a specific expiry time in its
// RegisterRequest (https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L634)
m.RequestedExpiry = &req.Expiry // RequestedExpiry is used to store the clients requested expiry time since the authentication flow is broken
// into two steps (which cant pass arbitrary data between them easily) and needs to be
// retrieved again after the user has authenticated. After the authentication flow
// completes, RequestedExpiry is copied into Expiry.
h.db.Save(&m)
respBody, err := encode(resp, &mKey, h.privateKey)