@sap-cloud-sdk/connectivity/dist/scp-cf/subdomain-replacer.js

SAP Cloud SDK for JavaScript connectivity

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getIssuerSubdomain = getIssuerSubdomain;
const url_1 = require("url");
/**
 * @internal
 */
function getIssuerSubdomain(decodedJwt) {
    const iss = decodedJwt?.iss;
    if (iss) {
        if (!isValidUrl(iss)) {
            throw new Error(`Issuer URL in JWT is not a valid URL: "${iss}".`);
        }
        return getHost(new url_1.URL(iss)).split('.')[0];
    }
}
function getHost(url) {
    const { host } = url;
    if (!host || host.indexOf('.') === -1) {
        throw new Error(`Failed to determine sub-domain: invalid host in "${url}".`);
    }
    return host;
}
function isValidUrl(url) {
    try {
        new url_1.URL(url);
        return true;
    }
    catch {
        return false;
    }
}
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