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Iframe transparency verification doesn't work, so we don't do it

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This commit is contained in:
Tamius Han 2025-01-22 11:25:04 +01:00
parent aa35dac108
commit 0af32d6892
2 changed files with 37 additions and 38 deletions
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72
src/ext/lib/IframeTransparencyVerifier.ts
View File

@ -36,51 +36,51 @@ export class IframeTransparencyVerifier {
async verifyUiTransparency(windowId: number, tabDimensions: IframeVerificationData): Promise<{result: TransparencyVerificationResult, dataUrl?: string}> { console.info('Verifying UI transparency:', tabDimensions);
const {visibleX, visibleY} = this.getVisibleMarkers(tabDimensions);
if (!visibleX.length || !visibleY.length) {
console.warn('[transparency check] No visible elements.');
// const {visibleX, visibleY} = this.getVisibleMarkers(tabDimensions);
// if (!visibleX.length || !visibleY.length) {
// console.warn('[transparency check] No visible elements.');
return {result: TransparencyVerificationResult.NoVisibleElements};
}
// }
const checkPositions = this.processMarkers(visibleX, visibleY);
// const checkPositions = this.processMarkers(visibleX, visibleY);
const dataUrl = await chrome.tabs.captureVisibleTab(
undefined, // windowId,
{
format: "png"
}
);
// const dataUrl = await chrome.tabs.captureVisibleTab(
// undefined, // windowId,
// {
// format: "png"
// }
// );
try {
const canvas = new OffscreenCanvas(tabDimensions.tab.width, tabDimensions.tab.height);
const ctx = canvas.getContext('2d')!;
// try {
// const canvas = new OffscreenCanvas(tabDimensions.tab.width, tabDimensions.tab.height);
// const ctx = canvas.getContext('2d')!;
const res = await fetch(dataUrl);
const blob = await res.blob();
// const res = await fetch(dataUrl);
// const blob = await res.blob();
const bitmap = createImageBitmap(blob);
// const bitmap = createImageBitmap(blob);
(ctx as any).drawImage(bitmap, 0, 0);
// (ctx as any).drawImage(bitmap, 0, 0);
const imageData = (ctx as any).getImageData(0, 0, tabDimensions.tab.width, tabDimensions.tab.height).data;
// const imageData = (ctx as any).getImageData(0, 0, tabDimensions.tab.width, tabDimensions.tab.height).data;
if (this.detectMarkers(checkPositions, tabDimensions.tab.width, imageData)) {
console.info('Verified transparency');
return {
result: TransparencyVerificationResult.Ok,
dataUrl: dataUrl
};
} else {
console.info('Transparency checks came back negative');
return {
result: TransparencyVerificationResult.Fail,
dataUrl: dataUrl
};
}
} catch (e) {
console.error('[transparency check] Error while checking for transparency:', e);
return {result: TransparencyVerificationResult.Error};
}
// if (this.detectMarkers(checkPositions, tabDimensions.tab.width, imageData)) {
// console.info('Verified transparency');
// return {
// result: TransparencyVerificationResult.Ok,
// dataUrl: dataUrl
// };
// } else {
// console.info('Transparency checks came back negative');
// return {
// result: TransparencyVerificationResult.Fail,
// dataUrl: dataUrl
// };
// }
// } catch (e) {
// console.error('[transparency check] Error while checking for transparency:', e);
// return {result: TransparencyVerificationResult.Error};
// }
}
private getVisibleMarkers({tab, player}: IframeVerificationData) {

3
src/manifest.json
View File

@ -50,8 +50,7 @@
],
"permissions": [
"storage",
"scripting",
"<all_urls>"
"scripting"
],
"host_permissions": [
"*://*/*"