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More realistic tolerance for clock skew

This commit is contained in:
Neale Pickett 2022-06-06 15:57:03 -06:00
parent e9cbdba425
commit a3a8d9cb31
1 changed files with 2 additions and 2 deletions
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4
cmd/vail/main.go
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@ -126,11 +126,11 @@ func ChatHandler(w http.ResponseWriter, r *http.Request) {
} }
// If it's wildly out of time, reject it // If it's wildly out of time, reject it
timeDelta := (time.Now().UnixMilli() - m.Timestamp) timeDelta := time.Duration(time.Now().UnixMilli()-m.Timestamp) * time.Millisecond
if timeDelta < 0 { if timeDelta < 0 {
timeDelta = -timeDelta timeDelta = -timeDelta
} }
if timeDelta > 9999 { if timeDelta > 2*time.Second {
log.Println(err) log.Println(err)
ws.Close(websocket.StatusInvalidFramePayloadData, "Your clock is off by too much") ws.Close(websocket.StatusInvalidFramePayloadData, "Your clock is off by too much")
break break