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Feat: Serve max-i.webp for ?i= past the limit, and allow up to 1000 on ai.*

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max-i.webp lists each site's range (40 main, 20 free, 1000 ai) and is drawn in code from design/max-i.html.
Other invalid ?i= values still serve bad.webp.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
multipleof4
2026-10-15 16:35:39 +00:00
co-authored by Claude Opus 5.5
parent ce834a06ca
commit a8420fe005
5 changed files with 52 additions and 11 deletions
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functions/[[path]].js
+9 -6
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@@ -6,8 +6,10 @@ import { aiImage, parseAiSource, DEFAULT_AI_SOURCE } from "./_utils/ai.js";
import * as LIMITS from "../assets/rate-limit.js";
const TTL_SECONDS = 90 * 24 * 60 * 60;
// Highest ?i= per site: 40 on the main site (100 Brave results), 20 on free.* (~50 Openverse + Wikimedia results) and ai.*
const MAX_INDEX = { "": 40, free: 20, ai: 20 };
// Highest ?i= per site: 40 on the main site (100 Brave results), 20 on free.* (~50 Openverse + Wikimedia
// results) and 1000 on ai.* (each is a new image, so there's no list to run out).
// Higher values serve max-i.webp, which lists these, so redraw it from design/max-i.html when they change.
const MAX_INDEX = { "": 40, free: 20, ai: 1000 };
// How long a search may hold its query's lock; longer than the 20s image deadline plus the search itself
const LOCK_SECONDS = 45;
// How long a search's results are kept for the query's other ?i=, which then don't search again or count toward limits
@@ -44,10 +46,11 @@ export async function onRequest(context) {
const site = ["free", "ai"].find(s => url.hostname.startsWith(`${s}.`)) || "";
const free = site === "free", ai = site === "ai";
const label = { free: "Free ", ai: "AI " }[site] || "";
const i = parseIndex(url.searchParams, MAX_INDEX[site]);
const i = parseIndex(url.searchParams);
const src = free ? parseFreeSource(url.searchParams) : ai ? parseAiSource(url.searchParams) : null;
const extra = [...url.searchParams.keys()].some(k => k !== "i" && !(site && k === "src"));
if (!i || (site && !src) || extra) return asset("bad.webp");
if (i > MAX_INDEX[site]) return asset("max-i.webp");
context.waitUntil(countHit(env, request, query, site));
@@ -279,10 +282,10 @@ COMMIT TRANSACTION;`;
return job;
}
// ?i=1..max (default 1). Returns null if invalid.
function parseIndex(searchParams, max) {
// ?i=1 or higher (default 1). Returns null if invalid.
function parseIndex(searchParams) {
const i = searchParams.get("i") || "1";
return /^\d+$/.test(i) && +i >= 1 && +i <= max ? +i : null;
return /^\d+$/.test(i) && +i >= 1 ? +i : null;
}
// Brave results, or Bing's if Brave has none or refuses (e.g. once its spending limit is hit). null if Bing fails too,