@mvx/identity/src/stores/utils.js

identity is oidc for mvc, type-mvc is base on koa. Decorator, Ioc, AOP mvc framework on server.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.OIDCUtils = void 0;
var crypto = require("crypto");
var OIDCUtils;
(function (OIDCUtils) {
    /**
     * Reconstructs the original URL of the request.
     *
     * This function builds a URL that corresponds the original URL requested by the
     * client, including the protocol (http or https) and host.
     *
     * If the request passed through any proxies that terminate SSL, the
     * `X-Forwarded-Proto` header is used to detect if the request was encrypted to
     * the proxy.
     *
     * @return {String}
     * @api private
     */
    function originalURL(ctx, options) {
        var _a;
        options = options || {};
        var app = ctx.app;
        if (app && ctx.get && ctx.get('trust proxy')) {
            options.proxy = true;
        }
        var trustProxy = options.proxy;
        var proto = (((_a = ctx.headers['x-forwarded-proto']) === null || _a === void 0 ? void 0 : _a.toString()) || '').toLowerCase(), tls = ctx.connection.encrypted || (trustProxy && 'https' === proto.split(/\s*,\s*/)[0]), host = (trustProxy && ctx.headers['x-forwarded-host']) || ctx.headers.host, protocol = tls ? 'https' : 'http', path = ctx.url || '';
        return protocol + '://' + host + path;
    }
    OIDCUtils.originalURL = originalURL;
    ;
    /**
     * Merge object b with object a.
     *
     *     var a = { foo: 'bar' }
     *       , b = { bar: 'baz' };
     *
     *     utils.merge(a, b);
     *     // => { foo: 'bar', bar: 'baz' }
     *
     * @param {Object} a
     * @param {Object} b
     * @return {Object}
     * @api private
     */
    function merge(a, b) {
        if (a && b) {
            for (var key in b) {
                a[key] = b[key];
            }
        }
        return a;
    }
    OIDCUtils.merge = merge;
    /**
     * Return a unique identifier with the given `len`.
     *
     *     utils.uid(10);
     *     // => "FDaS435D2z"
     *
     * CREDIT: Connect -- utils.uid
     *         https://github.com/senchalabs/connect/blob/2.7.2/lib/utils.js
     *
     * @param {Number} len
     * @return {String}
     * @api private
     */
    function uid(len) {
        return crypto.randomBytes(Math.ceil(len * 3 / 4))
            .toString('base64')
            .slice(0, len);
    }
    OIDCUtils.uid = uid;
})(OIDCUtils = exports.OIDCUtils || (exports.OIDCUtils = {}));

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