Request for help

[qr-ghassenrjab]

I need to build a SAML IdP on Node.js and I found this library.

Here is the scenario that I am trying to build:

1. The IdP accepts SAML requests from an SP;
2. Then redirects the user to our login page (already developed in another project);
3. After login, the user will be redirected back to the IdP with confirmation of login;
4. And then the IdP sends a SAML response back to the SP.

My questions are:

1. Is this scenario well suited for SAML protocol? Or I need to change it?
2. Is it possible to this with samlp? Especially redirecting to the login project, as this is not documented on README.md.

Thanks for you help!