SSO SAML

[nileshv]

I Need to impliment the saml in my nodebb forum and i have created a plugin for that and im getting the response of the saml on my code but i'm not able to do the user login or signup with that, i have confussion on that what hook's or plugin i need to use to make that login or signup work. i'm also sharing my code so that you can help better. @baris @julian

router.post('/assert', async function (req, res) {
	const decodedResponse = Buffer.from(req.body.SAMLResponse, 'base64').toString('utf-8');
	const parser = new xml2js.Parser();
	const saml_response = await parser.parseStringPromise(decodedResponse);
	const issuer = saml_response['saml2p:Response']['saml2:Issuer'][0];
	const assertion = saml_response['saml2p:Response']['saml2:Assertion'][0];
	const subject = assertion['saml2:Subject'][0];
	const nameId = subject['saml2:NameID'][0];

	const existingUser  = await User.getUidByEmail(nameId._);
	
	if (existingUser) {

		await authenticationController.onSuccessfulLogin(req, existingUser.uid);
		return res.redirect('/home');
	} else {
		// Create a new user
		const newUser = {
			fullname: 'testfullname',
			username: 'testfullname',
			email: nameId._,
			created_at: new Date(),
		};

		const result = await db.client.collection('objects').insertOne(newUser);
		if (result.insertedId) {
			await User.setUserField(result.insertedId, 'email', newUser.email);
			// await UserEmail.confirmByUid(result.insertedId);
			await authenticationController.onSuccessfulLogin(req, result.insertedId);
			return res.redirect('/');
		} else {
			return res.status(500).send('Error creating new user.');
		}
	}
});