atmosphere explorer
pds.ls
tool
typescript
atproto
add /favicon.ico fallback
+31
-32
+31
-32
src/worker.js
+31
-32
src/worker.js
···
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}
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} catch {}
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-
if (!faviconUrl) {
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-
faviconUrl = `https://${domain}/favicon.ico`;
591
-
}
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+
const fallbackUrl = `https://${domain}/favicon.ico`;
590
+
const urls = faviconUrl ? [faviconUrl, fallbackUrl] : [fallbackUrl];
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-
try {
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const iconRes = await fetch(faviconUrl, {
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signal: AbortSignal.timeout(5000),
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redirect: "follow",
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-
});
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+
for (const url of urls) {
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+
try {
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+
const iconRes = await fetch(url, {
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signal: AbortSignal.timeout(5000),
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+
redirect: "follow",
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+
});
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-
if (!iconRes.ok) {
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return new Response("Favicon not found", { status: 404 });
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}
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+
if (!iconRes.ok) continue;
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-
const contentType = iconRes.headers.get("content-type") ?? "";
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if (!contentType.includes("image") && !contentType.includes("icon")) {
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return new Response("Not an image", { status: 404 });
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-
}
601
+
const contentType = iconRes.headers.get("content-type") ?? "";
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+
if (contentType.includes("text/html") || contentType.includes("text/plain")) continue;
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603
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-
const contentLength = parseInt(iconRes.headers.get("content-length") ?? "0", 10);
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if (contentLength > MAX_FAVICON_SIZE) {
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return new Response("Favicon too large", { status: 413 });
611
-
}
604
+
const contentLength = parseInt(iconRes.headers.get("content-length") ?? "0", 10);
605
+
if (contentLength > MAX_FAVICON_SIZE) {
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return new Response("Favicon too large", { status: 413 });
607
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}
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+
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const body = await iconRes.arrayBuffer();
610
+
if (body.byteLength > MAX_FAVICON_SIZE) {
611
+
return new Response("Favicon too large", { status: 413 });
612
+
}
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-
const body = await iconRes.arrayBuffer();
614
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if (body.byteLength > MAX_FAVICON_SIZE) {
615
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return new Response("Favicon too large", { status: 413 });
614
+
return new Response(body, {
615
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headers: {
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+
"Content-Type": contentType || "image/x-icon",
617
+
"Cache-Control": "public, max-age=86400",
618
+
"Access-Control-Allow-Origin": "*",
619
+
},
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+
});
621
+
} catch {
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+
continue;
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}
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+
}
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-
return new Response(body, {
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headers: {
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"Content-Type": contentType,
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"Cache-Control": "public, max-age=86400",
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"Access-Control-Allow-Origin": "*",
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},
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});
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} catch {
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-
return new Response("Failed to fetch favicon", { status: 502 });
627
-
}
626
+
return new Response("Favicon not found", { status: 404 });
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}
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export default {