async function portalLogin()

in default/cve5/portal.js [110:158]
41 lines of code
8 McCabe index (conditional complexity)

async function portalLogin(elem, credForm) {
    try {
        if (!'serviceWorker' in navigator) {
            cveShowError('Browser is missing required features. Try a different browser or the normal mode.')
            return (false);
        }
        if (!credForm.checkValidity()) {
            return (false);
        }
        elem.preventDefault();
        var url = credForm.portal.value;
        var portalType = credForm.portal.options[credForm.portal.selectedIndex].text;
        if (csClient && csCache.url != url) {
            csClient = new CveServices(url, "./static/cve5sw.js");
        }
        var ret = await csClient.login(
            credForm.user.value,
            credForm.org.value,
            credForm.key.value);


        var orgInfo = await csClient.getOrgInfo();
        var userInfo = await csClient.getOrgUser(credForm.user.value);

        csCache.user = credForm.user.value;
        csCache.org = credForm.org.value;
        csCache.url = url;
        csCache.portalType = portalType;
        csCache.orgInfo = orgInfo;

        window.localStorage.setItem('cveApi', JSON.stringify(csCache));
        window.localStorage.setItem('portalType', portalType);
        window.localStorage.setItem('shortName', credForm.org.value);

        if (ret == 'ok' || ret.data == "ok") {
            csCache.keyUrl = ret.keyUrl;
            await showPortalView(orgInfo, userInfo);
            /* Add one hour session timeout in addition to timeout in serviceWorker */
            setTimeout(portalLogout, defaultTimeout);
            //announce to others that a login happened.
            loginChannel.postMessage({ message: 'The user has logged in' });

        } else {
            document.getElementById("loginErr").innerText = 'Failed to login: Possibly invalid credentials!';
        }
    } catch (e) {
        portalErrorHandler(e);
    }
}