130 lines
4.7 KiB
JavaScript
130 lines
4.7 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getUrl = void 0;
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const http_1 = __importDefault(require("http"));
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const https_1 = __importDefault(require("https"));
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const url_1 = require("url");
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function getResponse(request) {
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return new Promise((resolve, reject) => {
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request.once("response", (resp) => {
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const response = {
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statusCode: resp.statusCode,
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statusMessage: resp.statusMessage,
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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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body: null
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};
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//resp.setEncoding("utf8");
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resp.on("data", (chunk) => {
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if (response.body == null) {
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response.body = new Uint8Array(0);
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}
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const body = new Uint8Array(response.body.length + chunk.length);
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body.set(response.body, 0);
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body.set(chunk, response.body.length);
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response.body = body;
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});
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resp.on("end", () => {
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resolve(response);
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});
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resp.on("error", (error) => {
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/* istanbul ignore next */
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error.response = response;
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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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// The URL.parse uses null instead of the empty string
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function nonnull(value) {
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if (value == null) {
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return "";
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}
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return value;
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}
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function staller(duration) {
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return new Promise((resolve) => {
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const timer = setTimeout(resolve, duration);
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timer.unref();
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});
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}
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function _getUrl(href, options) {
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return __awaiter(this, void 0, void 0, function* () {
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if (options == null) {
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options = {};
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}
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// @TODO: Once we drop support for node 8, we can pass the href
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// directly into request and skip adding the components
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// to this request object
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const url = url_1.parse(href);
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const request = {
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protocol: nonnull(url.protocol),
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hostname: nonnull(url.hostname),
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port: nonnull(url.port),
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path: (nonnull(url.pathname) + nonnull(url.search)),
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method: (options.method || "GET"),
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headers: (options.headers || {}),
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};
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if (options.user && options.password) {
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request.auth = `${options.user}:${options.password}`;
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}
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let req = null;
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switch (nonnull(url.protocol)) {
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case "http:":
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req = http_1.default.request(request);
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break;
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case "https:":
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req = https_1.default.request(request);
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break;
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default:
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/* istanbul ignore next */
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throw new Error(`unsupported protocol ${url.protocol}`);
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}
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if (options.body) {
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req.write(Buffer.from(options.body));
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}
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req.end();
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const response = yield getResponse(req);
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return response;
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});
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}
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function getUrl(href, options) {
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return __awaiter(this, void 0, void 0, function* () {
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let error = null;
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for (let i = 0; i < 3; i++) {
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try {
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const result = yield Promise.race([
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_getUrl(href, options),
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staller(30000).then((result) => { throw new Error("timeout"); })
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]);
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return result;
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}
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catch (e) {
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error = e;
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}
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yield staller(1000);
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}
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throw error;
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});
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}
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exports.getUrl = getUrl;
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