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Enhance local provider URL detection for IPv6 and loopback ranges

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This commit is contained in:
James Shawn Carnley
2026-04-02 13:46:10 -04:00
parent 5e77d82620
commit 7b68eb1acb
2 changed files with 27 additions and 2 deletions
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18
src/services/api/providerConfig.ts
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@@ -210,7 +210,19 @@ function isCodexAlias(model: string): boolean {
export function isLocalProviderUrl(baseUrl: string | undefined): boolean {
if (!baseUrl) return false
try {
const hostname = new URL(baseUrl).hostname.toLowerCase()
let hostname = new URL(baseUrl).hostname.toLowerCase()
// Strip IPv6 brackets added by the URL parser (e.g. "[::1]" -> "::1")
if (hostname.startsWith('[') && hostname.endsWith(']')) {
hostname = hostname.slice(1, -1)
}
// Strip RFC6874 IPv6 zone identifiers (e.g. "fe80::1%25en0" -> "fe80::1")
const zoneIdIndex = hostname.indexOf('%25')
if (zoneIdIndex !== -1) {
hostname = hostname.slice(0, zoneIdIndex)
}
if (LOCALHOST_HOSTNAMES.has(hostname) || hostname === '0.0.0.0') {
return true
}
@@ -220,7 +232,9 @@ export function isLocalProviderUrl(baseUrl: string | undefined): boolean {
const ipVersion = isIP(hostname)
if (ipVersion === 4) {
return isPrivateIpv4Address(hostname)
// Treat the full 127.0.0.0/8 loopback range as local
const firstOctet = Number.parseInt(hostname.split('.', 1)[0] ?? '', 10)
return firstOctet === 127 || isPrivateIpv4Address(hostname)
}
if (ipVersion === 6) {
return isPrivateIpv6Address(hostname)