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Fix corrupt local cache

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SukkaW
2024-10-15 20:27:49 +08:00
parent e0f7e7e48a
commit 8a0a50d049
7 changed files with 41 additions and 31 deletions
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38
Build/lib/cache-filesystem.ts
View File

@@ -350,13 +350,15 @@ export class Cache<S = string> {
this.set(getETagKey(url), serverETag, TTL.ONE_WEEK_STATIC);
}
// If we do not have a cached value, we ignore 304
if (res.statusCode === 304 && typeof previouslyCached === 'string') {
controller.abort();
throw new Custom304NotModifiedError(url, previouslyCached);
if (res.statusCode === 304 && typeof previouslyCached === 'string' && previouslyCached.length > 1) {
const err = new Custom304NotModifiedError(url, previouslyCached);
controller.abort(err);
throw err;
}
if (!serverETag && !this.get(getETagKey(primaryUrl)) && typeof previouslyCached === 'string') {
controller.abort();
throw new CustomNoETagFallbackError(previouslyCached);
const err = new CustomNoETagFallbackError(previouslyCached);
controller.abort(err);
throw err;
}
// either no etag and not cached
@@ -386,18 +388,26 @@ export class Cache<S = string> {
return value;
} catch (e) {
if (e instanceof AggregateError) {
if (e && typeof e === 'object' && 'errors' in e && Array.isArray(e.errors)) {
const deserializer = 'deserializer' in opt ? opt.deserializer : identity as any;
for (const error of e.errors) {
if (error instanceof Custom304NotModifiedError) {
console.log(picocolors.green('[cache] http 304'), picocolors.gray(primaryUrl));
this.updateTtl(cachedKey, TTL.ONE_WEEK_STATIC);
return deserializer(error.data);
console.log(e.errors);
for (let i = 0, len = e.errors.length; i < len; i++) {
const error = e.errors[i];
if ('name' in error && (error.name === 'CustomAbortError' || error.name === 'AbortError')) {
continue;
}
if (error instanceof CustomNoETagFallbackError) {
console.log(picocolors.green('[cache] hit'), picocolors.gray(primaryUrl));
return deserializer(error.data);
if ('digest' in error) {
if (error.digest === 'Custom304NotModifiedError') {
console.log(picocolors.green('[cache] http 304'), picocolors.gray(primaryUrl));
this.updateTtl(cachedKey, TTL.ONE_WEEK_STATIC);
return deserializer(error.data);
}
if (error.digest === 'CustomNoETagFallbackError') {
console.log(picocolors.green('[cache] hit'), picocolors.gray(primaryUrl));
return deserializer(error.data);
}
}
}
}

7
Build/lib/fetch-text-by-line.ts
View File

@@ -22,8 +22,9 @@ export const readFileByLine: ((file: string | FileHandle) => AsyncIterable<strin
.pipeThrough(new TextDecoderStream())
.pipeThrough(new TextLineStream());
function ensureResponseBody<T extends Response | NodeFetchResponse | UndiciResponseData>(resp: T): NonNullable<T['body']> {
if (!resp.body) {
function ensureResponseBody<T extends NodeFetchResponse | UndiciResponseData>(resp: T): NonNullable<T['body']> {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition -- NodeFetchResponse['body'] is nullable
if (resp.body == null) {
throw new Error('Failed to fetch remote text');
}
if ('bodyUsed' in resp && resp.bodyUsed) {
@@ -32,7 +33,7 @@ function ensureResponseBody<T extends Response | NodeFetchResponse | UndiciRespo
return resp.body;
}
export const createReadlineInterfaceFromResponse: ((resp: Response | NodeFetchResponse | UndiciResponseData) => AsyncIterable<string>) = (resp) => {
export const createReadlineInterfaceFromResponse: ((resp: NodeFetchResponse | UndiciResponseData) => AsyncIterable<string>) = (resp) => {
const stream = ensureResponseBody(resp);
const webStream: ReadableStream<Uint8Array> = 'getReader' in stream

6
Build/lib/parse-dnsmasq.ts
View File

@@ -1,6 +1,5 @@
import { createReadlineInterfaceFromResponse } from './fetch-text-by-line';
import { parse as tldtsParse } from 'tldts';
import { $fetch } from './make-fetch-happen';
import type { NodeFetchResponse } from './make-fetch-happen';
import type { UndiciResponseData } from './fetch-retry';
@@ -28,8 +27,3 @@ export async function parseFelixDnsmasqFromResp(resp: NodeFetchResponse | Undici
return results;
}
export async function parseFelixDnsmasq(url: string): Promise<string[]> {
const resp = await $fetch(url);
return parseFelixDnsmasqFromResp(resp);
}