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Big emojis: fix possible web crash

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This commit is contained in:
Alex Gleason 2021-07-10 12:41:57 -05:00
parent f208d350a2
commit a66f2b3f75
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GPG key ID: 7211D1F99744FBB7
1 changed files with 19 additions and 12 deletions
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31
app/soapbox/utils/rich_content.js
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@ -2,17 +2,24 @@
export const onlyEmoji = (node, limit = 1, ignoreMentions = true) => {
if (!node) return false;
// Remove mentions before checking content
if (ignoreMentions) {
node = node.cloneNode(true);
node.querySelectorAll('a.mention').forEach(m => m.parentNode.removeChild(m));
}
try {
// Remove mentions before checking content
if (ignoreMentions) {
node = node.cloneNode(true);
node.querySelectorAll('a.mention').forEach(m => m.parentNode.removeChild(m));
}
if (node.textContent.replaceAll(' ', '') !== '') return false;
const emojis = Array.from(node.querySelectorAll('img.emojione'));
if (emojis.length === 0) return false;
if (emojis.length > limit) return false;
const images = Array.from(node.querySelectorAll('img'));
if (images.length > emojis.length) return false;
return true;
if (node.textContent.replaceAll(' ', '') !== '') return false;
const emojis = Array.from(node.querySelectorAll('img.emojione'));
if (emojis.length === 0) return false;
if (emojis.length > limit) return false;
const images = Array.from(node.querySelectorAll('img'));
if (images.length > emojis.length) return false;
return true;
} catch (e) {
// Apparently some browsers can't handle `node.textContent.replaceAll`??
// If anything in here crashes, skipping it is inconsequential.
console.error(e);
return false;
}
};