Julien HerrandClaude Opus 4.7
a353de1342
DuckDuckGo serves hi-res PNG favicons that legitimately exceed the old 100 KB cap, causing them to be rejected and negatively cached. Co-Authored-By: Claude Opus 4.7 <[email protected]>
54 lines
2.0 KiB
TypeScript
54 lines
2.0 KiB
TypeScript
/** Maximum total size of emails stored per feed (bytes). */
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export const FEED_MAX_BYTES = 524288; // 512 KB
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/** Cloudflare R2 free tier storage allowance (bytes). */
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export const R2_FREE_TIER_BYTES = 10 * 1024 ** 3; // 10 GB
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/** Cloudflare KV free tier storage allowance (bytes). */
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export const KV_FREE_TIER_BYTES = 1 * 1024 ** 3; // 1 GB
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/** Cache TTL for ForwardEmail.net IP list (milliseconds). */
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export const FORWARD_EMAIL_IPS_CACHE_TTL_MS = 24 * 60 * 60 * 1000; // 24 hours
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/** Admin session cookie max-age (seconds). */
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export const ADMIN_COOKIE_MAX_AGE = 60 * 60 * 24 * 7; // 1 week
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/** Maximum number of feed items exposed in RSS/Atom responses. */
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export const MAX_FEED_ITEMS = 20;
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/** Default WebSub lease duration (seconds). */
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export const DEFAULT_LEASE_SECONDS = 86400; // 24 hours
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/** Maximum WebSub lease duration (seconds). */
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export const MAX_LEASE_SECONDS = 30 * 24 * 3600; // 30 days
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/** KV key for the global feed list. */
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export const FEEDS_LIST_KEY = "feeds:list";
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/** KV key for the monitoring counters singleton. */
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export const STATS_KEY = "stats:counters";
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/** Default TTL for a cached per-domain favicon (seconds). */
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export const ICON_TTL_SECONDS = 7 * 24 * 60 * 60; // 1 week
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/**
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* TTL for a *negative* favicon cache entry (seconds). Kept short so a transient
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* miss (e.g. DuckDuckGo not having indexed the domain yet) self-heals within
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* hours instead of blacklisting the domain for a full week.
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*/
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export const ICON_NEGATIVE_TTL_SECONDS = 6 * 60 * 60; // 6 hours
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/**
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* Maximum accepted favicon size (bytes); larger responses are rejected.
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* DuckDuckGo serves hi-res (often 144×144) PNG favicons that legitimately
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* exceed 100 KB, so the cap is generous; KV's value limit (25 MB) is the only
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* hard constraint, even after base64 inflation.
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*/
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export const MAX_ICON_BYTES = 256 * 1024; // 256 KB
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/** Timeout for an outbound favicon fetch (milliseconds). */
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export const ICON_FETCH_TIMEOUT_MS = 5000;
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/** Timeout for an outbound RFC 8058 one-click unsubscribe request (milliseconds). */
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export const UNSUBSCRIBE_TIMEOUT_MS = 5000;
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