Files
automatisch/packages/backend/src/helpers/passport.ts
2023-08-03 19:39:48 +02:00

85 lines
2.5 KiB
TypeScript

import { URL } from 'node:url';
import { IRequest } from '@automatisch/types';
import { MultiSamlStrategy } from '@node-saml/passport-saml';
import { Express } from 'express';
import passport from 'passport';
import appConfig from '../config/app';
import createAuthTokenByUserId from '../helpers/create-auth-token-by-user-id';
import SamlAuthProvider from '../models/saml-auth-provider.ee';
import findOrCreateUserBySamlIdentity from './find-or-create-user-by-saml-identity.ee'
export default function configurePassport(app: Express) {
app.use(passport.initialize({
userProperty: 'currentUser',
}));
passport.use(new MultiSamlStrategy(
{
passReqToCallback: true,
getSamlOptions: async function (request, done) {
const { issuer } = request.params;
const notFoundIssuer = new Error('Issuer cannot be found!');
if (!issuer) return done(notFoundIssuer);
const authProvider = await SamlAuthProvider.query().findOne({
issuer: request.params.issuer as string,
});
if (!authProvider) {
return done(notFoundIssuer);
}
return done(null, authProvider.config);
},
},
async function (request, user: Record<string, unknown>, done) {
const { issuer } = request.params;
const notFoundIssuer = new Error('Issuer cannot be found!');
if (!issuer) return done(notFoundIssuer);
const authProvider = await SamlAuthProvider.query().findOne({
issuer: request.params.issuer as string,
});
if (!authProvider) {
return done(notFoundIssuer);
}
const foundUserWithIdentity = await findOrCreateUserBySamlIdentity(user, authProvider);
return done(null, foundUserWithIdentity as unknown as Record<string, unknown>);
},
function (request, user: Record<string, unknown>, done: (error: any, user: Record<string, unknown>) => void) {
return done(null, null);
}
));
app.get('/login/saml/:issuer',
passport.authenticate('saml',
{
session: false,
successRedirect: '/',
})
);
app.post(
'/login/saml/:issuer/callback',
passport.authenticate('saml', {
session: false,
failureRedirect: '/',
failureFlash: true,
}),
(req: IRequest, res) => {
const token = createAuthTokenByUserId(req.currentUser.id);
const redirectUrl = new URL(
`/login/callback?token=${token}`,
appConfig.webAppUrl,
).toString();
res.redirect(redirectUrl);
}
);
};