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fix: redefine window screen properly #418

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fix: redefine window screen properly #418

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5 changes: 4 additions & 1 deletion packages/fingerprint-injector/src/fingerprint-injector.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,9 @@ declare function overrideDocumentDimensionsProps(
declare function overrideWindowDimensionsProps(
props: Record<string, number>,
): void;
declare function overrideWindowScreen(
props: Record<string, number>,
): void;
declare function overrideBattery(
batteryInfo?: Record<string, string | number>,
): void;
Expand Down Expand Up @@ -263,7 +266,7 @@ export class FingerprintInjector {
}
overrideInstancePrototype(window.navigator, navigatorProps);

overrideInstancePrototype(window.screen, newScreen);
overrideWindowScreen(newScreen);
overrideWindowDimensionsProps(windowScreenProps);
overrideDocumentDimensionsProps(documentScreenProps);

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10 changes: 10 additions & 0 deletions packages/fingerprint-injector/src/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -498,6 +498,16 @@ function overrideScreenByReassigning(target, newProperties) {
}
}

function overrideWindowScreen(props) {
for (const [prop, value] of Object.entries(props)) {
redefineProperty(window.screen, prop, {
get() {
return value;
},
});
}
}

function overrideWindowDimensionsProps(props) {
try {
overrideScreenByReassigning(window, props);
Expand Down