1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47import jwt from 'jsonwebtoken';
import jwksClient from 'jwks-rsa';
if (!process.env.SSO_JWKS) {
throw new Error('SSO_JWKS environment variable is required for SSO authentication');
}
const client = jwksClient({
jwksUri: process.env.SSO_JWKS,
cache: true,
cacheMaxAge: 86400000, // 24 hours
});
// Get signing key
const getKey = (header: any, callback: any) => {
client.getSigningKey(header.kid, (err, key) => {
if (err) {
callback(err);
return;
}
const signingKey = key?.getPublicKey();
callback(null, signingKey);
});
}
// Verify token
export const verifySsoToken = (token: string) => {
return new Promise((resolve, reject) => {
jwt.verify(
token,
getKey,
{
audience: process.env.SSO_CLIENT_ID,
issuer: process.env.SSO_TENANT,
algorithms: ['RS256'],
},
(err, decoded) => {
if (err) {
reject(err);
} else {
resolve(decoded);
}
}
);
});
}