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fetch.js
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fetch.js
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"use strict";
/**
* @typedef XHubFetchPackage
* @prop {XHubFetchCreate} create
*/
/**
* @callback XHubFetchCreate
* @param {XHub.XHubOptions} options
* @returns {XHubFetch}
*/
/**
* @typedef XHubFetch
* @prop {fetch} fetch
*/
/** @type {XHubFetchPackage} */
let XHubFetch = module.exports;
let XHub = require("./x-hub-signature.js");
// "application/json"
// "application/json; charset=utf-8"
// "application/vnd.github.v3+json"
// XHubFetch._isJSON = /[\/\+]json($|;\s)/;
XHubFetch.create = function (options) {
let xhub = XHub.create(options);
let request = {};
/** @type {fetch} */
request.fetch = async function (url, opts) {
if (!opts?.body) {
throw new Error("no 'body' to sign");
}
//@ts-ignore
let hashName = opts.hash || xhub._defaultHash;
//@ts-ignore
let header = await xhub.sign(opts.body, hashName);
let fetchOpts = Object.assign({}, opts);
/** @type {Object.<String, String>} */
let headers = {};
let isSha256 = header.startsWith("sha256=");
if (isSha256) {
headers["X-Hub-Signature-256"] = header;
} else {
headers["X-Hub-Signature"] = header;
}
fetchOpts.headers = Object.assign(headers, fetchOpts.headers);
let resp = await fetch(url, fetchOpts);
return resp;
};
return request;
};