From 39596115da29f114cca8d16f32949ec59f26abfb Mon Sep 17 00:00:00 2001 From: Giteabot Date: Thu, 2 Nov 2023 05:26:45 +0800 Subject: [PATCH] Change katex limits (#27823) (#27868) Backport #27823 by @KN4CK3R Fixes #27812 Use higher defaults again but limit the input size. ![grafik](https://github.com/go-gitea/gitea/assets/1666336/23cdf572-de30-4799-b9cf-ef386b1623b9) Co-authored-by: KN4CK3R --- web_src/js/markup/math.js | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/web_src/js/markup/math.js b/web_src/js/markup/math.js index 8427637a0f..872e50a452 100644 --- a/web_src/js/markup/math.js +++ b/web_src/js/markup/math.js @@ -15,18 +15,28 @@ export async function renderMath() { import(/* webpackChunkName: "katex" */'katex/dist/katex.css'), ]); + const MAX_CHARS = 1000; + const MAX_SIZE = 25; + const MAX_EXPAND = 1000; + for (const el of els) { const target = targetElement(el); if (target.hasAttribute('data-render-done')) continue; const source = el.textContent; + + if (source.length > MAX_CHARS) { + displayError(target, new Error(`Math source of ${source.length} characters exceeds the maximum allowed length of ${MAX_CHARS}.`)); + continue; + } + const displayMode = el.classList.contains('display'); const nodeName = displayMode ? 'p' : 'span'; try { const tempEl = document.createElement(nodeName); katex.render(source, tempEl, { - maxSize: 25, - maxExpand: 50, + maxSize: MAX_SIZE, + maxExpand: MAX_EXPAND, displayMode, }); target.replaceWith(tempEl);