wuyuan/Classworks
1
0
Fork 0
mirror of https://github.com/ZeroCatDev/Classworks.git synced 2026-02-04 16:03:10 +00:00
Code Releases Activity

harden css escaping for background

Browse Source 
Co-authored-by: Sunwuyuan <88357633+Sunwuyuan@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2025-12-29 10:28:00 +00:00
parent b96484d26a
commit 2c12051c45
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/pages/index.vue
View File

@ -693,8 +693,9 @@ export default {
if (!safeUrl) return { display: "none" }; if (!safeUrl) return { display: "none" };
const blur = Math.min(Math.max(this.backgroundBlurAmount, 0), 50); const blur = Math.min(Math.max(this.backgroundBlurAmount, 0), 50);
const escaped = this.cssEscape(encodeURI(safeUrl));
return { return {
backgroundImage: `url("${encodeURI(safeUrl)}")`, backgroundImage: `url("${escaped}")`,
filter: `blur(${blur}px)`, filter: `blur(${blur}px)`,
}; };
}, },
@ -2217,7 +2218,7 @@ export default {
try { try {
const parsed = new URL(trimmed, window.location.origin); const parsed = new URL(trimmed, window.location.origin);
const protocol = parsed.protocol.replace(":", ""); const protocol = parsed.protocol.replace(":", "");
if (["http", "https", "data", "blob"].includes(protocol)) return true; if (["http", "https", "blob"].includes(protocol)) return true;
} catch (e) { } catch (e) {
// Allow relative paths // Allow relative paths
if ( if (
@ -2237,9 +2238,15 @@ export default {
return parsed.href; return parsed.href;
} catch (e) { } catch (e) {
// Fallback for relative paths when URL parsing fails // Fallback for relative paths when URL parsing fails
return url.replace(/[^a-zA-Z0-9-._~!$&'()*+,;=/:@%]/g, ""); return url.replace(/[^a-zA-Z0-9-._~/:@%+#?&=]/g, "");
} }
}, },
cssEscape(value) {
if (typeof CSS !== "undefined" && CSS.escape) {
return CSS.escape(value);
}
return value.replace(/[^a-zA-Z0-9_\-]/g, (char) => `\\${char}`);
},
safeBase64Decode(base64String) { safeBase64Decode(base64String) {
try { try {