nmemmertandClaude Sonnet 5.5
1bf11a3669
Publish Container / build (push) Successful in 14m53s
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
31 lines
1.0 KiB
JavaScript
31 lines
1.0 KiB
JavaScript
import dns from 'node:dns'
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import { SEAFILE_URL } from './config.js'
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// Alpine's resolver (musl) fails the whole lookup when a DNS server answers the IPv6 (AAAA)
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// query with "no such name" even though the IPv4 answer is fine, so Node reports ENOTFOUND for
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// a host that resolves. Ask for IPv4 only, and only for the Seafile host.
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export function preferIpv4ForSeafile() {
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let host = ''
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try {
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host = SEAFILE_URL ? new URL(SEAFILE_URL).hostname : ''
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} catch {
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return
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}
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if (!host) return
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const originalLookup = dns.lookup
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dns.lookup = function lookup(hostname, options, callback) {
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if (hostname === host) {
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if (typeof options === 'function') {
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callback = options
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options = {}
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} else if (typeof options === 'number') {
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options = { family: options }
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}
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if (!options?.family) options = { ...options, family: 4 }
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}
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return originalLookup.call(this, hostname, options, callback)
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}
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console.log(`[seafile-dns] resolving ${host} over IPv4 only`)
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}
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