password.GetAssertion.basic.js

document.getElementById('login').addEventListener('submit', function(event) {
    event.preventDefault();
    let username    = this.username.value;
    let password    = this.password.value;
    loginPassword({username, password})
        .then((serverResponse) => {
            if(serverResponse.status !== 'startFIDOAuthentication')
                throw new Error('Error logging in! Server returned: ' + serverResponse.errorMessage);
            return getGetAssertionChallenge()
        })
        .then((getAssertionChallenge) => {
            /* Server GetAssertion sample */
            /*{
                "challenge": "Ld0vp5byLeFZBOpclgKP3BEc8AA4aBewYPlwbkgLh98",
                "allowCredentials": [
                    {
                        "type": "public-key",
                        "id": "SIT9gAgwUyzOLB_F9fA_LwMOu--dcXHSlzvEXipg2QP3-Shr5f-nldK5V1Wc9BdiMDkkSpK0uPmsLb-CYigbog"
                    }
                ],
                "status": "ok"
            }*/
            getAssertionChallenge = preformatGetAssertReq(getAssertionChallenge);
            return navigator.credentials.get({ 'publicKey': getAssertionChallenge })
        })
        .then((newCredentialInfo) => {
            newCredentialInfo = publicKeyCredentialToJSON(newCredentialInfo)
            return getAssertionResponse(newCredentialInfo)
        })
        .then((serverResponse) => {
            if(serverResponse.status !== 'ok')
                throw new Error('Error registering user! Server returned: ' + serverResponse.errorMessage);
            alert('Success!');
        })
        .catch((error) => {
            alert('FAIL' + error)
            console.log('FAIL', error)
        })
})