Files
SRCmail/lib/oauth/pkce.ts
T
Matthieu MALVACHEandMatthieu MALVACHE ec06b0c494 feat: add OAuth2/OIDC with PKCE for SSO login
Add opt-in SSO authentication alongside Basic Auth. OAuth endpoints are
auto-discovered via .well-known, with support for external IdPs
(Keycloak, Authentik) via configurable OAUTH_ISSUER_URL. Sessions
persist through httpOnly refresh token cookies with automatic renewal.
2026-02-25 23:41:37 +01:00

28 lines
864 B
TypeScript

function base64urlEncode(buffer: ArrayBuffer): string {
const bytes = new Uint8Array(buffer);
let binary = '';
for (let i = 0; i < bytes.length; i++) {
binary += String.fromCharCode(bytes[i]);
}
return btoa(binary).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
}
export function generateCodeVerifier(): string {
const array = new Uint8Array(32);
crypto.getRandomValues(array);
return base64urlEncode(array.buffer);
}
export async function generateCodeChallenge(verifier: string): Promise<string> {
const encoder = new TextEncoder();
const data = encoder.encode(verifier);
const digest = await crypto.subtle.digest('SHA-256', data);
return base64urlEncode(digest);
}
export function generateState(): string {
const array = new Uint8Array(32);
crypto.getRandomValues(array);
return base64urlEncode(array.buffer);
}