Files
stats/packages/auth/parse-cookie-domain.ts
Carl-Gerhard Lindesvärd 280065c2c4 fix: parse cookie domain (#185)
* chore: update bots and referrers

* fix: handle cookie domain better
2025-10-04 21:22:09 +02:00

125 lines
2.3 KiB
TypeScript

// List of known multi-part TLDs that should be treated as single domains
const MULTI_PART_TLDS = [
'co.uk',
'com.au',
'co.za',
'co.nz',
'co.jp',
'co.kr',
'co.in',
'co.il',
'com.br',
'com.mx',
'com.ar',
'com.pe',
'com.cl',
'com.co',
'com.ve',
'net.au',
'org.au',
'gov.au',
'edu.au',
'net.nz',
'org.nz',
'gov.nz',
'org.uk',
'gov.uk',
'ac.uk',
'nhs.uk',
'org.za',
'gov.za',
'ac.za',
'ac.jp',
'or.jp',
'go.jp',
'or.kr',
'go.kr',
'org.in',
'gov.in',
'ac.in',
'org.il',
'gov.il',
'ac.il',
'net.br',
'org.br',
'gov.br',
'net.mx',
'org.mx',
'gov.mx',
'net.ar',
'org.ar',
'gov.ar',
'net.pe',
'org.pe',
'gov.pe',
'net.cl',
'org.cl',
'gov.cl',
'net.co',
'org.co',
'gov.co',
'net.ve',
'org.ve',
'gov.ve',
];
export const parseCookieDomain = (url: string) => {
if (!url) {
return {
domain: undefined,
secure: false,
};
}
const domain = new URL(url);
const hostname = domain.hostname;
// For localhost or IP addresses, don't set domain
if (hostname === 'localhost' || /^\d+\.\d+\.\d+\.\d+$/.test(hostname)) {
return {
domain: undefined,
secure: domain.protocol === 'https:',
};
}
const parts = hostname.split('.');
// Handle multi-part TLDs like co.uk, com.au, etc.
if (parts.length >= 3) {
const potentialTLD = parts.slice(-2).join('.');
if (MULTI_PART_TLDS.includes(potentialTLD)) {
// For domains like example.co.uk or subdomain.example.co.uk
// Use the last 3 parts: .example.co.uk
return {
domain: `.${parts.slice(-3).join('.')}`,
secure: domain.protocol === 'https:',
};
}
}
// For regular subdomains, use the last 2 parts
if (parts.length > 2) {
return {
domain: `.${parts.slice(-2).join('.')}`,
secure: domain.protocol === 'https:',
};
}
// For root domains, use the full domain with leading dot
return {
domain: `.${hostname}`,
secure: domain.protocol === 'https:',
};
};
const parsed = parseCookieDomain(process.env.NEXT_PUBLIC_DASHBOARD_URL ?? '');
export const COOKIE_MAX_AGE = 60 * 60 * 24 * 30;
export const COOKIE_OPTIONS = {
domain: parsed.domain,
secure: parsed.secure,
sameSite: 'lax',
httpOnly: true,
path: '/',
} as const;