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Check for canvas extract permission when initializing favicon service

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Signed-off-by: mkljczk <git@mkljczk.pl>
This commit is contained in:
mkljczk 2025-03-05 16:07:07 +01:00
parent 5eb9c030fd
commit 9e2ee1e66a
2 changed files with 19 additions and 0 deletions
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1
changelog.d/check-canvas-extract-permission.fix Normal file
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@ -0,0 +1 @@
Check for canvas extract permission when initializing favicon service

18
src/services/favicon_service/favicon_service.js
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@ -1,3 +1,19 @@
const checkCanvasExtractPermission = () => {
const canvas = document.createElement('canvas');
canvas.width = 1;
canvas.height = 1;
const ctx = canvas.getContext('2d');
if (!ctx) return false;
ctx.fillStyle = '#0f161e';
ctx.fillRect(0, 0, 1, 1);
const { data } = ctx.getImageData(0, 0, 1, 1);
return data.join(',') === '15,22,30,255';
};
const createFaviconService = () => {
const favicons = []
const faviconWidth = 128
@ -5,6 +21,8 @@ const createFaviconService = () => {
const badgeRadius = 32
const initFaviconService = () => {
if (!checkCanvasExtractPermission()) return;
const nodes = document.querySelectorAll('link[rel="icon"]')
nodes.forEach(favicon => {
if (favicon) {