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skidoodle 2025-03-15 17:22:38 +01:00
parent 38e6f714cb
commit 5eb326de05
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273 changed files with 230 additions and 261 deletions
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50
utils/index.ts
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@ -1,26 +1,36 @@
export function isPrivateIP(host: string): boolean {
try {
const ip = host.startsWith('[') ? host.slice(1, -1) : host;
if (ip === 'localhost') return true;
try {
const rawIp = host.startsWith('[') ? host.slice(1, -1) : host
// IPv4 private ranges
if (ip.includes('.')) {
const parts = ip.split('.').map(Number);
return parts[0] === 10 ||
(parts[0] === 172 && parts[1] >= 16 && parts[1] <= 31) ||
(parts[0] === 192 && parts[1] === 168) ||
(parts[0] === 169 && parts[1] === 254);
}
if (rawIp === 'localhost') return true
// IPv6 private ranges
if (ip.includes(':')) {
return ip.startsWith('fc00::/7') ||
ip.startsWith('fe80::/10') ||
ip.startsWith('::1');
}
if (rawIp.includes('.')) {
const parts = rawIp.split('.').map(Number)
if (parts.length !== 4 || parts.some(isNaN)) return false
return false;
} catch {
return false;
return (
parts[0] === 10 ||
(parts[0] === 172 && parts[1] >= 16 && parts[1] <= 31) ||
(parts[0] === 192 && parts[1] === 168) ||
(parts[0] === 169 && parts[1] === 254)
)
}
if (rawIp.includes(':')) {
const ip = rawIp.split('%')[0]
if (ip === '::1') return true
const firstHextet = parseInt(ip.split(':')[0], 16)
if ((firstHextet & 0xfe00) === 0xfc00) return true
if ((firstHextet & 0xffc0) === 0xfe80) return true
return false
}
return false
} catch {
return false
}
}