| 1 | import { createRemoteJWKSet, jwtVerify } from "jose"; |
| 2 | |
| 3 | export function makeAuthenticate(baseUrl: string, jwksUrl: string) { |
| 4 | const jwks = createRemoteJWKSet(new URL(jwksUrl)); |
| 5 | const issuer = new URL(baseUrl).origin; |
| 6 | return async (authorization: string | null): Promise<string | undefined> => { |
| 7 | if (!authorization?.toLowerCase().startsWith("bearer ")) return; |
| 8 | try { |
| 9 | const { payload } = await jwtVerify(authorization.slice(7), jwks, { |
| 10 | issuer, |
| 11 | audience: issuer, |
| 12 | algorithms: ["EdDSA"], |
| 13 | requiredClaims: ["sub", "exp", "iat"], |
| 14 | maxTokenAge: "15 minutes", |
| 15 | }); |
| 16 | return payload.sub || undefined; |
| 17 | } catch { |
| 18 | return; |
| 19 | } |
| 20 | }; |
| 21 | } |