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fix: prevent face detection bypass via spacebar hold and click propag… #1104

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fix: prevent face detection bypass via spacebar hold and click propag… #1104

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22 changes: 19 additions & 3 deletions frontend/src/components/video.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -327,12 +327,16 @@ export default function Video({ URL, startTime, nextItemId, endTime, points, ano
// Prevent playing if current time is at or beyond endTime
if (endTimeSeconds > 0 && currentTime >= endTimeSeconds) {
return;
}else{
player.playVideo();
}
// Block resuming if any proctoring anomalies or gesture prompts are active
if (pauseVid || rewindVid || doGesture) {
console.log("🔒 Play blocked: Anomaly or gesture prompt active");
return;
}
player.playVideo();
setTimeout(() => { playerRef.current?.setPlaybackRate?.(playbackRate); }, 50);
}
}, [playing, endTimeSeconds, currentTime, isSkipping, isStopFailed, isStopping, playbackRate]);
}, [playing, endTimeSeconds, currentTime, isSkipping, isStopFailed, isStopping, playbackRate, pauseVid, rewindVid, doGesture]);

const handleBackward = () => {
const player = playerRef.current;
Expand Down Expand Up @@ -989,6 +993,10 @@ export default function Video({ URL, startTime, nextItemId, endTime, points, ano
if (rawEvent.code === 'Space') {
rawEvent.preventDefault();
rawEvent.stopImmediatePropagation();
if (rawEvent.repeat) {
// Ignore held down spacebar to prevent rapid play/pause bypass
return;
}
handlePlayPause();
return;
}
Expand Down Expand Up @@ -1355,6 +1363,10 @@ export default function Video({ URL, startTime, nextItemId, endTime, points, ano

className='shadow-2xl'

onClick={(e) => e.stopPropagation()}

onMouseDown={(e) => e.stopPropagation()}

style={{

position: 'absolute',
Expand Down Expand Up @@ -2095,6 +2107,8 @@ export function NavigatingOverlay({
return (
<div
className={`absolute z-50 animate-in slide-in-from-right-3 duration-300 ${positionClasses[position]}`}
onClick={(e) => e.stopPropagation()}
onMouseDown={(e) => e.stopPropagation()}
>
<Card className={`shadow-lg backdrop-blur-md ${styles.card}`}>
<CardContent className="flex items-center gap-3 px-4 py-3">
Expand Down Expand Up @@ -2152,6 +2166,8 @@ export function ConfirmOverlay({
return (
<div
className={`absolute z-50 animate-in slide-in-from-right-3 duration-300 ${positionClasses[position]}`}
onClick={(e) => e.stopPropagation()}
onMouseDown={(e) => e.stopPropagation()}
>
<Card className={`border-red-400/40 ${message === "Invalid watch time" ? "bg-yellow-600/95": "bg-red-600/95"} text-red-50 shadow-lg backdrop-blur-md w-80`}>
<CardContent className="flex flex-col gap-3 p-4">
Expand Down
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