CommitHEADtrunk

1 files changed, 312 insertions, 0 deletions

diff --git a/node_modules/got/source/request-as-event-emitter.js b/node_modules/got/source/request-as-event-emitter.js
new file mode 100644
index 0000000..79586af
--- /dev/null
+++ b/node_modules/got/source/request-as-event-emitter.js
@@ -0,0 +1,312 @@
+'use strict';
+const {URL} = require('url'); // TODO: Use the `URL` global when targeting Node.js 10
+const util = require('util');
+const EventEmitter = require('events');
+const http = require('http');
+const https = require('https');
+const urlLib = require('url');
+const CacheableRequest = require('cacheable-request');
+const toReadableStream = require('to-readable-stream');
+const is = require('@sindresorhus/is');
+const timer = require('@szmarczak/http-timer');
+const timedOut = require('./utils/timed-out');
+const getBodySize = require('./utils/get-body-size');
+const getResponse = require('./get-response');
+const progress = require('./progress');
+const {CacheError, UnsupportedProtocolError, MaxRedirectsError, RequestError, TimeoutError} = require('./errors');
+const urlToOptions = require('./utils/url-to-options');
+
+const getMethodRedirectCodes = new Set([300, 301, 302, 303, 304, 305, 307, 308]);
+const allMethodRedirectCodes = new Set([300, 303, 307, 308]);
+
+module.exports = (options, input) => {
+	const emitter = new EventEmitter();
+	const redirects = [];
+	let currentRequest;
+	let requestUrl;
+	let redirectString;
+	let uploadBodySize;
+	let retryCount = 0;
+	let shouldAbort = false;
+
+	const setCookie = options.cookieJar ? util.promisify(options.cookieJar.setCookie.bind(options.cookieJar)) : null;
+	const getCookieString = options.cookieJar ? util.promisify(options.cookieJar.getCookieString.bind(options.cookieJar)) : null;
+	const agents = is.object(options.agent) ? options.agent : null;
+
+	const emitError = async error => {
+		try {
+			for (const hook of options.hooks.beforeError) {
+				// eslint-disable-next-line no-await-in-loop
+				error = await hook(error);
+			}
+
+			emitter.emit('error', error);
+		} catch (error2) {
+			emitter.emit('error', error2);
+		}
+	};
+
+	const get = async options => {
+		const currentUrl = redirectString || requestUrl;
+
+		if (options.protocol !== 'http:' && options.protocol !== 'https:') {
+			throw new UnsupportedProtocolError(options);
+		}
+
+		decodeURI(currentUrl);
+
+		let fn;
+		if (is.function(options.request)) {
+			fn = {request: options.request};
+		} else {
+			fn = options.protocol === 'https:' ? https : http;
+		}
+
+		if (agents) {
+			const protocolName = options.protocol === 'https:' ? 'https' : 'http';
+			options.agent = agents[protocolName] || options.agent;
+		}
+
+		/* istanbul ignore next: electron.net is broken */
+		if (options.useElectronNet && process.versions.electron) {
+			const r = ({x: require})['yx'.slice(1)]; // Trick webpack
+			const electron = r('electron');
+			fn = electron.net || electron.remote.net;
+		}
+
+		if (options.cookieJar) {
+			const cookieString = await getCookieString(currentUrl, {});
+
+			if (is.nonEmptyString(cookieString)) {
+				options.headers.cookie = cookieString;
+			}
+		}
+
+		let timings;
+		const handleResponse = async response => {
+			try {
+				/* istanbul ignore next: fixes https://github.com/electron/electron/blob/cbb460d47628a7a146adf4419ed48550a98b2923/lib/browser/api/net.js#L59-L65 */
+				if (options.useElectronNet) {
+					response = new Proxy(response, {
+						get: (target, name) => {
+							if (name === 'trailers' || name === 'rawTrailers') {
+								return [];
+							}
+
+							const value = target[name];
+							return is.function(value) ? value.bind(target) : value;
+						}
+					});
+				}
+
+				const {statusCode} = response;
+				response.url = currentUrl;
+				response.requestUrl = requestUrl;
+				response.retryCount = retryCount;
+				response.timings = timings;
+				response.redirectUrls = redirects;
+				response.request = {
+					gotOptions: options
+				};
+
+				const rawCookies = response.headers['set-cookie'];
+				if (options.cookieJar && rawCookies) {
+					await Promise.all(rawCookies.map(rawCookie => setCookie(rawCookie, response.url)));
+				}
+
+				if (options.followRedirect && 'location' in response.headers) {
+					if (allMethodRedirectCodes.has(statusCode) || (getMethodRedirectCodes.has(statusCode) && (options.method === 'GET' || options.method === 'HEAD'))) {
+						response.resume(); // We're being redirected, we don't care about the response.
+
+						if (statusCode === 303) {
+							// Server responded with "see other", indicating that the resource exists at another location,
+							// and the client should request it from that location via GET or HEAD.
+							options.method = 'GET';
+						}
+
+						if (redirects.length >= 10) {
+							throw new MaxRedirectsError(statusCode, redirects, options);
+						}
+
+						// Handles invalid URLs. See https://github.com/sindresorhus/got/issues/604
+						const redirectBuffer = Buffer.from(response.headers.location, 'binary').toString();
+						const redirectURL = new URL(redirectBuffer, currentUrl);
+						redirectString = redirectURL.toString();
+
+						redirects.push(redirectString);
+
+						const redirectOptions = {
+							...options,
+							...urlToOptions(redirectURL)
+						};
+
+						for (const hook of options.hooks.beforeRedirect) {
+							// eslint-disable-next-line no-await-in-loop
+							await hook(redirectOptions);
+						}
+
+						emitter.emit('redirect', response, redirectOptions);
+
+						await get(redirectOptions);
+						return;
+					}
+				}
+
+				getResponse(response, options, emitter);
+			} catch (error) {
+				emitError(error);
+			}
+		};
+
+		const handleRequest = request => {
+			if (shouldAbort) {
+				request.once('error', () => {});
+				request.abort();
+				return;
+			}
+
+			currentRequest = request;
+
+			request.once('error', error => {
+				if (request.aborted) {
+					return;
+				}
+
+				if (error instanceof timedOut.TimeoutError) {
+					error = new TimeoutError(error, options);
+				} else {
+					error = new RequestError(error, options);
+				}
+
+				if (emitter.retry(error) === false) {
+					emitError(error);
+				}
+			});
+
+			timings = timer(request);
+
+			progress.upload(request, emitter, uploadBodySize);
+
+			if (options.gotTimeout) {
+				timedOut(request, options.gotTimeout, options);
+			}
+
+			emitter.emit('request', request);
+
+			const uploadComplete = () => {
+				request.emit('upload-complete');
+			};
+
+			try {
+				if (is.nodeStream(options.body)) {
+					options.body.once('end', uploadComplete);
+					options.body.pipe(request);
+					options.body = undefined;
+				} else if (options.body) {
+					request.end(options.body, uploadComplete);
+				} else if (input && (options.method === 'POST' || options.method === 'PUT' || options.method === 'PATCH')) {
+					input.once('end', uploadComplete);
+					input.pipe(request);
+				} else {
+					request.end(uploadComplete);
+				}
+			} catch (error) {
+				emitError(new RequestError(error, options));
+			}
+		};
+
+		if (options.cache) {
+			const cacheableRequest = new CacheableRequest(fn.request, options.cache);
+			const cacheRequest = cacheableRequest(options, handleResponse);
+
+			cacheRequest.once('error', error => {
+				if (error instanceof CacheableRequest.RequestError) {
+					emitError(new RequestError(error, options));
+				} else {
+					emitError(new CacheError(error, options));
+				}
+			});
+
+			cacheRequest.once('request', handleRequest);
+		} else {
+			// Catches errors thrown by calling fn.request(...)
+			try {
+				handleRequest(fn.request(options, handleResponse));
+			} catch (error) {
+				emitError(new RequestError(error, options));
+			}
+		}
+	};
+
+	emitter.retry = error => {
+		let backoff;
+
+		try {
+			backoff = options.retry.retries(++retryCount, error);
+		} catch (error2) {
+			emitError(error2);
+			return;
+		}
+
+		if (backoff) {
+			const retry = async options => {
+				try {
+					for (const hook of options.hooks.beforeRetry) {
+						// eslint-disable-next-line no-await-in-loop
+						await hook(options, error, retryCount);
+					}
+
+					await get(options);
+				} catch (error) {
+					emitError(error);
+				}
+			};
+
+			setTimeout(retry, backoff, {...options, forceRefresh: true});
+			return true;
+		}
+
+		return false;
+	};
+
+	emitter.abort = () => {
+		if (currentRequest) {
+			currentRequest.once('error', () => {});
+			currentRequest.abort();
+		} else {
+			shouldAbort = true;
+		}
+	};
+
+	setImmediate(async () => {
+		try {
+			// Convert buffer to stream to receive upload progress events (#322)
+			const {body} = options;
+			if (is.buffer(body)) {
+				options.body = toReadableStream(body);
+				uploadBodySize = body.length;
+			} else {
+				uploadBodySize = await getBodySize(options);
+			}
+
+			if (is.undefined(options.headers['content-length']) && is.undefined(options.headers['transfer-encoding'])) {
+				if ((uploadBodySize > 0 || options.method === 'PUT') && !is.null(uploadBodySize)) {
+					options.headers['content-length'] = uploadBodySize;
+				}
+			}
+
+			for (const hook of options.hooks.beforeRequest) {
+				// eslint-disable-next-line no-await-in-loop
+				await hook(options);
+			}
+
+			requestUrl = options.href || (new URL(options.path, urlLib.format(options))).toString();
+
+			await get(options);
+		} catch (error) {
+			emitError(error);
+		}
+	});
+
+	return emitter;
+};