121 lines
4.6 KiB
JavaScript
121 lines
4.6 KiB
JavaScript
import http from "http";
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import https from "https";
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import { gunzipSync } from "zlib";
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import { assert, makeError } from "./errors.js";
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import { getBytes } from "./data.js";
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/**
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* @_ignore:
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*/
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export function createGetUrl(options) {
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async function getUrl(req, signal) {
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// Make sure we weren't cancelled before sending
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assert(signal == null || !signal.cancelled, "request cancelled before sending", "CANCELLED");
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const protocol = req.url.split(":")[0].toLowerCase();
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assert(protocol === "http" || protocol === "https", `unsupported protocol ${protocol}`, "UNSUPPORTED_OPERATION", {
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info: { protocol },
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operation: "request"
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});
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assert(protocol === "https" || !req.credentials || req.allowInsecureAuthentication, "insecure authorized connections unsupported", "UNSUPPORTED_OPERATION", {
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operation: "request"
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});
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const method = req.method;
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const headers = Object.assign({}, req.headers);
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const reqOptions = { method, headers };
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if (options) {
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if (options.agent) {
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reqOptions.agent = options.agent;
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}
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}
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// Create a Node-specific AbortController, if available
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let abort = null;
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try {
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abort = new AbortController();
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reqOptions.abort = abort.signal;
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}
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catch (e) {
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console.log(e);
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}
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const request = ((protocol === "http") ? http : https).request(req.url, reqOptions);
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request.setTimeout(req.timeout);
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const body = req.body;
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if (body) {
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request.write(Buffer.from(body));
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}
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request.end();
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return new Promise((resolve, reject) => {
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if (signal) {
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signal.addListener(() => {
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if (abort) {
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abort.abort();
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}
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reject(makeError("request cancelled", "CANCELLED"));
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});
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}
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request.on("timeout", () => {
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reject(makeError("request timeout", "TIMEOUT"));
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});
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request.once("response", (resp) => {
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const statusCode = resp.statusCode || 0;
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const statusMessage = resp.statusMessage || "";
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const headers = Object.keys(resp.headers || {}).reduce((accum, name) => {
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let value = resp.headers[name] || "";
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if (Array.isArray(value)) {
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value = value.join(", ");
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}
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accum[name] = value;
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return accum;
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}, {});
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let body = null;
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//resp.setEncoding("utf8");
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resp.on("data", (chunk) => {
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if (signal) {
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try {
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signal.checkSignal();
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}
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catch (error) {
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return reject(error);
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}
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}
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if (body == null) {
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body = chunk;
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}
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else {
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const newBody = new Uint8Array(body.length + chunk.length);
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newBody.set(body, 0);
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newBody.set(chunk, body.length);
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body = newBody;
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}
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});
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resp.on("end", () => {
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try {
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if (headers["content-encoding"] === "gzip" && body) {
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body = getBytes(gunzipSync(body));
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}
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resolve({ statusCode, statusMessage, headers, body });
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}
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catch (error) {
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reject(makeError("bad response data", "SERVER_ERROR", {
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request: req, info: { response: resp, error }
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}));
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}
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});
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resp.on("error", (error) => {
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//@TODO: Should this just return nornal response with a server error?
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error.response = { statusCode, statusMessage, headers, body };
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reject(error);
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});
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});
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request.on("error", (error) => { reject(error); });
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});
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}
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return getUrl;
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}
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// @TODO: remove in v7; provided for backwards compat
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const defaultGetUrl = createGetUrl({});
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/**
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* @_ignore:
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*/
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export async function getUrl(req, signal) {
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return defaultGetUrl(req, signal);
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}
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//# sourceMappingURL=geturl.js.map
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