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Fix external style declaration filtering

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This commit is contained in:
Cohee 2024-05-27 19:55:55 +03:00
parent 62a1919402
commit 66db820c9e
1 changed files with 5 additions and 9 deletions
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14
public/scripts/chats.js
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@ -466,11 +466,11 @@ export function decodeStyleTags(text) {
const mediaAllowed = isExternalMediaAllowed(); const mediaAllowed = isExternalMediaAllowed();
function sanitizeRule(rule) { function sanitizeRule(rule) {
if (rule.selectors) { if (Array.isArray(rule.selectors)) {
for (let i = 0; i < rule.selectors.length; i++) { for (let i = 0; i < rule.selectors.length; i++) {
let selector = rule.selectors[i]; const selector = rule.selectors[i];
if (selector) { if (selector) {
let selectors = (selector.split(' ') ?? []).map((v) => { const selectors = (selector.split(' ') ?? []).map((v) => {
if (v.startsWith('.')) { if (v.startsWith('.')) {
return '.custom-' + v.substring(1); return '.custom-' + v.substring(1);
} }
@ -482,16 +482,12 @@ export function decodeStyleTags(text) {
} }
} }
if (!mediaAllowed && Array.isArray(rule.declarations) && rule.declarations.length > 0) { if (!mediaAllowed && Array.isArray(rule.declarations) && rule.declarations.length > 0) {
for (const declaration of rule.declarations) { rule.declarations = rule.declarations.filter(declaration => !declaration.value.includes('://'));
if (declaration.value.includes('://')) {
rule.declarations.splice(rule.declarations.indexOf(declaration), 1);
}
}
} }
} }
function sanitizeRuleSet(ruleSet) { function sanitizeRuleSet(ruleSet) {
if (ruleSet.type === 'rule') { if (Array.isArray(ruleSet.selectors) || Array.isArray(ruleSet.declarations)) {
sanitizeRule(ruleSet); sanitizeRule(ruleSet);
} }