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Fix: ignore empty response

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SukkaW
2024-10-15 18:44:41 +08:00
parent 2bbc122b85
commit ac470d4af9
2 changed files with 24 additions and 13 deletions
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28
Build/lib/cache-filesystem.ts
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@@ -8,8 +8,8 @@ import { fastStringArrayJoin, identity, mergeHeaders } from './misc';
import { performance } from 'node:perf_hooks';
import fs from 'node:fs';
import { stringHash } from './string-hash';
import { defaultRequestInit, fetchWithLog } from './fetch-retry';
import { Custom304NotModifiedError, CustomAbortError, CustomNoETagFallbackError, fetchAssets, sleepWithAbort } from './fetch-assets';
import { defaultRequestInit, fetchWithLog, ResponseError } from './fetch-retry';
import { Custom304NotModifiedError, CustomAbortError, CustomNoETagFallbackError, fetchAssetsWith304, sleepWithAbort } from './fetch-assets';
import type { Response, RequestInit, HeadersInit } from 'undici';
@@ -293,7 +293,7 @@ export class Cache<S = string> {
opt: Omit<CacheApplyOption<T, S>, 'incrementTtlWhenHit'>
): Promise<T> {
if (opt.temporaryBypass) {
return fn(await fetchAssets(primaryUrl, mirrorUrls));
return fn(await fetchAssetsWith304(primaryUrl, mirrorUrls));
}
if (mirrorUrls.length === 0) {
@@ -337,15 +337,16 @@ export class Cache<S = string> {
}
);
if (res.headers.has('etag')) {
const responseHasETag = res.headers.has('etag');
if (responseHasETag) {
this.set(getETagKey(url), res.headers.get('etag')!, TTL.ONE_WEEK_STATIC);
// If we do not have a cached value, we ignore 304
if (res.status === 304 && typeof previouslyCached === 'string') {
controller.abort();
throw new Custom304NotModifiedError(url, previouslyCached);
}
} else if (!this.get(getETagKey(primaryUrl)) && typeof previouslyCached === 'string') {
}
// If we do not have a cached value, we ignore 304
if (res.status === 304 && typeof previouslyCached === 'string') {
controller.abort();
throw new Custom304NotModifiedError(url, previouslyCached);
}
if (!responseHasETag && !this.get(getETagKey(primaryUrl)) && typeof previouslyCached === 'string') {
controller.abort();
throw new CustomNoETagFallbackError(previouslyCached);
}
@@ -353,6 +354,11 @@ export class Cache<S = string> {
// either no etag and not cached
// or has etag but not 304
const text = await res.text();
if (text.length < 2) {
throw new ResponseError(res);
}
controller.abort();
return text;
};