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Улучшение парсинга head-запроса

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This commit is contained in:
Book Pauk
2022-07-28 18:04:47 +07:00
parent a00b2d6574
commit 32dff128f4
1 changed files with 7 additions and 1 deletions
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8
server/core/BookUpdateChecker/BUCServer.js
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@@ -134,6 +134,7 @@ class BUCServer {
id,
queryTime: now,
checkTime: 0, // 0 - never checked
etag: '',
modTime: '',
size: 0,
checkSum: '', //sha256
@@ -253,9 +254,13 @@ class BUCServer {
let hash = '';
const headers = await this.down.head(row.id);
const etag = headers['etag'] || '';
const modTime = headers['last-modified'] || '';
if (!modTime || !row.modTime || (modTime !== row.modTime)) {
if ((!etag || !row.etag || (etag !== row.etag))
&& (!modTime || !row.modTime || (modTime !== row.modTime))
) {
const downdata = await this.down.load(row.id);
size = downdata.length;
@@ -267,6 +272,7 @@ class BUCServer {
table: 'buc',
mod: `(r) => {
r.checkTime = ${db.esc(Date.now())};
r.etag = ${(unchanged ? 'r.etag' : db.esc(etag))};
r.modTime = ${(unchanged ? 'r.modTime' : db.esc(modTime))};
r.size = ${(unchanged ? 'r.size' : db.esc(size))};
r.checkSum = ${(unchanged ? 'r.checkSum' : db.esc(hash))};