@akamai-consulting/edgegrid-js-fetch/dist/cjs/api.js

Signing and fetch library the Akamai OPEN EdgeGrid Authentication scheme in a JS environment that supports the fetch spec

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const auth_1 = require("./auth");
const helpers_1 = require("./helpers");
const builtinFetch = fetch;
/** Class representing an EdgeGrid request signer and fetcher. */
class EdgeGrid {
    #config;
    /**
     * Get the configuration object used for signing requests.
     * @returns {EdgeGridCredentials} The edgerc configuration object.
     */
    get config() {
        return this.#config;
    }
    /**
     * Create an EdgeGridCredentials object.
     * @param {EdgeGridCredentials} credentials - The credentials used for signing requests
     */
    constructor(credentials) {
        this.#config = credentials;
    }
    /**
     * Builds the request using the properties of the local config Object.
     * Follows the same signature as the WHATWG fetch spec
     *
     * @param {RequestInfo|URL} input - The Request Object or URL.
     * @param {RequestInit} init - An init object to include options such as heders and body.
     *
     * @returns Promise which resolves to a signed Request object
     */
    async signRequest(input, init) {
        let requestToSign;
        if (input instanceof Request) {
            const url = new URL(input.url);
            //url.host = this.config.host;
            requestToSign = new Request(url, input);
            requestToSign = new Request(requestToSign, init);
        }
        else {
            const url = new URL(input, 'https://' + this.config.host);
            requestToSign = new Request(url, init);
        }
        let signedRequest = (0, auth_1.generateAuthedRequest)(requestToSign, this.config.clientToken, this.config.clientSecret, this.config.accessToken);
        return signedRequest;
    }
    /**
    * Signs and fetches the request using the properties of the local config Object.
    * Follows the same signature as the WHATWG fetch spec
    *
    * @param {RequestInfo|URL} input - The Request Object or URL.
    * @param {RequestInit} init - An init object to include options such as heders and body.
    *
    * @returns Response object fetched from the EdgeGrid API
    */
    async fetch(input, init) {
        let signedRequest = await this.signRequest(input, init);
        // clone request in case we need to use it for a redirect
        let clonedRequest = signedRequest.clone();
        let response = await builtinFetch(signedRequest, {
            redirect: 'manual', // prevent automatic redirect following
        });
        // Check for redirect manually
        const locationHeader = response.headers.get('location');
        if ((0, helpers_1.isRedirect)(response.status) && locationHeader) {
            const headers = clonedRequest.headers;
            headers.delete('authorization');
            const redirectedRequest = new Request(clonedRequest, { headers });
            return this.fetch(locationHeader, redirectedRequest);
        }
        return response;
    }
}
exports.default = EdgeGrid;