diff options
Diffstat (limited to 'internal/referer.go')
| -rw-r--r-- | internal/referer.go | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/internal/referer.go b/internal/referer.go index ec8c2be..3a7d16f 100644 --- a/internal/referer.go +++ b/internal/referer.go @@ -3,6 +3,7 @@ package internal import ( "expvar" "net/http" + "net/url" "tailscale.com/metrics" ) @@ -17,7 +18,12 @@ func init() { func RefererMiddleware(next http.Handler) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { - referers.Add(r.Header.Get("Referer"), 1) + if referer := r.Header.Get("Referer"); referer != "" { + _, err := url.Parse(referer) + if err == nil { + referers.Add(referer, 1) + } + } next.ServeHTTP(w, r) } } |