examples/auth: Fix crash on changing username

2020-12-17 21:10:53 -05:00 · 2020-12-17 21:10:53 -05:00 · ca35aadaea
commit ca35aadaea
parent 805a80dddf
1 changed files with 7 additions and 1 deletions
--- a/examples/auth.go
+++ b/examples/auth.go
@ -79,6 +79,12 @@ func changeUsername(w *gemini.ResponseWriter, r *gemini.Request) {
 		w.WriteHeader(gemini.StatusInput, "Username")
 		return
 	}
-	users[fingerprint(r.Certificate.Leaf)].Name = username
+	fingerprint := fingerprint(r.Certificate.Leaf)
+	user, ok := users[fingerprint]
+	if !ok {
+		user = &User{}
+		users[fingerprint] = user
+	}
+	user.Name = username
 	w.WriteHeader(gemini.StatusRedirect, "/")
 }