mirror of
https://github.com/diligencia/semantic-branch-version.git
synced 2024-11-23 20:53:50 +08:00
532 lines
22 KiB
JavaScript
532 lines
22 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const url = require("url");
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const http = require("http");
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const https = require("https");
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const pm = require("./proxy");
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let tunnel;
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var HttpCodes;
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(function (HttpCodes) {
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HttpCodes[HttpCodes["OK"] = 200] = "OK";
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HttpCodes[HttpCodes["MultipleChoices"] = 300] = "MultipleChoices";
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HttpCodes[HttpCodes["MovedPermanently"] = 301] = "MovedPermanently";
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HttpCodes[HttpCodes["ResourceMoved"] = 302] = "ResourceMoved";
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HttpCodes[HttpCodes["SeeOther"] = 303] = "SeeOther";
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HttpCodes[HttpCodes["NotModified"] = 304] = "NotModified";
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HttpCodes[HttpCodes["UseProxy"] = 305] = "UseProxy";
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HttpCodes[HttpCodes["SwitchProxy"] = 306] = "SwitchProxy";
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HttpCodes[HttpCodes["TemporaryRedirect"] = 307] = "TemporaryRedirect";
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HttpCodes[HttpCodes["PermanentRedirect"] = 308] = "PermanentRedirect";
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HttpCodes[HttpCodes["BadRequest"] = 400] = "BadRequest";
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HttpCodes[HttpCodes["Unauthorized"] = 401] = "Unauthorized";
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HttpCodes[HttpCodes["PaymentRequired"] = 402] = "PaymentRequired";
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HttpCodes[HttpCodes["Forbidden"] = 403] = "Forbidden";
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HttpCodes[HttpCodes["NotFound"] = 404] = "NotFound";
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HttpCodes[HttpCodes["MethodNotAllowed"] = 405] = "MethodNotAllowed";
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HttpCodes[HttpCodes["NotAcceptable"] = 406] = "NotAcceptable";
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HttpCodes[HttpCodes["ProxyAuthenticationRequired"] = 407] = "ProxyAuthenticationRequired";
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HttpCodes[HttpCodes["RequestTimeout"] = 408] = "RequestTimeout";
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HttpCodes[HttpCodes["Conflict"] = 409] = "Conflict";
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HttpCodes[HttpCodes["Gone"] = 410] = "Gone";
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HttpCodes[HttpCodes["TooManyRequests"] = 429] = "TooManyRequests";
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HttpCodes[HttpCodes["InternalServerError"] = 500] = "InternalServerError";
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HttpCodes[HttpCodes["NotImplemented"] = 501] = "NotImplemented";
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HttpCodes[HttpCodes["BadGateway"] = 502] = "BadGateway";
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HttpCodes[HttpCodes["ServiceUnavailable"] = 503] = "ServiceUnavailable";
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HttpCodes[HttpCodes["GatewayTimeout"] = 504] = "GatewayTimeout";
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})(HttpCodes = exports.HttpCodes || (exports.HttpCodes = {}));
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var Headers;
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(function (Headers) {
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Headers["Accept"] = "accept";
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Headers["ContentType"] = "content-type";
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})(Headers = exports.Headers || (exports.Headers = {}));
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var MediaTypes;
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(function (MediaTypes) {
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MediaTypes["ApplicationJson"] = "application/json";
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})(MediaTypes = exports.MediaTypes || (exports.MediaTypes = {}));
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/**
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* Returns the proxy URL, depending upon the supplied url and proxy environment variables.
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* @param serverUrl The server URL where the request will be sent. For example, https://api.github.com
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*/
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function getProxyUrl(serverUrl) {
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let proxyUrl = pm.getProxyUrl(url.parse(serverUrl));
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return proxyUrl ? proxyUrl.href : '';
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}
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exports.getProxyUrl = getProxyUrl;
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const HttpRedirectCodes = [
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HttpCodes.MovedPermanently,
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HttpCodes.ResourceMoved,
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HttpCodes.SeeOther,
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HttpCodes.TemporaryRedirect,
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HttpCodes.PermanentRedirect
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];
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const HttpResponseRetryCodes = [
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HttpCodes.BadGateway,
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HttpCodes.ServiceUnavailable,
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HttpCodes.GatewayTimeout
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];
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const RetryableHttpVerbs = ['OPTIONS', 'GET', 'DELETE', 'HEAD'];
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const ExponentialBackoffCeiling = 10;
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const ExponentialBackoffTimeSlice = 5;
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class HttpClientResponse {
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constructor(message) {
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this.message = message;
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}
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readBody() {
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return new Promise(async (resolve, reject) => {
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let output = Buffer.alloc(0);
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this.message.on('data', (chunk) => {
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output = Buffer.concat([output, chunk]);
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});
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this.message.on('end', () => {
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resolve(output.toString());
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});
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});
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}
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}
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exports.HttpClientResponse = HttpClientResponse;
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function isHttps(requestUrl) {
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let parsedUrl = url.parse(requestUrl);
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return parsedUrl.protocol === 'https:';
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}
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exports.isHttps = isHttps;
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class HttpClient {
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constructor(userAgent, handlers, requestOptions) {
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this._ignoreSslError = false;
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this._allowRedirects = true;
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this._allowRedirectDowngrade = false;
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this._maxRedirects = 50;
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this._allowRetries = false;
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this._maxRetries = 1;
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this._keepAlive = false;
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this._disposed = false;
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this.userAgent = userAgent;
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this.handlers = handlers || [];
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this.requestOptions = requestOptions;
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if (requestOptions) {
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if (requestOptions.ignoreSslError != null) {
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this._ignoreSslError = requestOptions.ignoreSslError;
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}
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this._socketTimeout = requestOptions.socketTimeout;
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if (requestOptions.allowRedirects != null) {
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this._allowRedirects = requestOptions.allowRedirects;
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}
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if (requestOptions.allowRedirectDowngrade != null) {
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this._allowRedirectDowngrade = requestOptions.allowRedirectDowngrade;
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}
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if (requestOptions.maxRedirects != null) {
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this._maxRedirects = Math.max(requestOptions.maxRedirects, 0);
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}
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if (requestOptions.keepAlive != null) {
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this._keepAlive = requestOptions.keepAlive;
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}
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if (requestOptions.allowRetries != null) {
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this._allowRetries = requestOptions.allowRetries;
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}
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if (requestOptions.maxRetries != null) {
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this._maxRetries = requestOptions.maxRetries;
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}
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}
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}
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options(requestUrl, additionalHeaders) {
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return this.request('OPTIONS', requestUrl, null, additionalHeaders || {});
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}
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get(requestUrl, additionalHeaders) {
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return this.request('GET', requestUrl, null, additionalHeaders || {});
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}
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del(requestUrl, additionalHeaders) {
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return this.request('DELETE', requestUrl, null, additionalHeaders || {});
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}
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post(requestUrl, data, additionalHeaders) {
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return this.request('POST', requestUrl, data, additionalHeaders || {});
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}
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patch(requestUrl, data, additionalHeaders) {
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return this.request('PATCH', requestUrl, data, additionalHeaders || {});
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}
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put(requestUrl, data, additionalHeaders) {
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return this.request('PUT', requestUrl, data, additionalHeaders || {});
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}
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head(requestUrl, additionalHeaders) {
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return this.request('HEAD', requestUrl, null, additionalHeaders || {});
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}
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sendStream(verb, requestUrl, stream, additionalHeaders) {
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return this.request(verb, requestUrl, stream, additionalHeaders);
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}
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/**
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* Gets a typed object from an endpoint
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* Be aware that not found returns a null. Other errors (4xx, 5xx) reject the promise
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*/
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async getJson(requestUrl, additionalHeaders = {}) {
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additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);
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let res = await this.get(requestUrl, additionalHeaders);
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return this._processResponse(res, this.requestOptions);
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}
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async postJson(requestUrl, obj, additionalHeaders = {}) {
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let data = JSON.stringify(obj, null, 2);
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additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);
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additionalHeaders[Headers.ContentType] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.ContentType, MediaTypes.ApplicationJson);
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let res = await this.post(requestUrl, data, additionalHeaders);
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return this._processResponse(res, this.requestOptions);
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}
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async putJson(requestUrl, obj, additionalHeaders = {}) {
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let data = JSON.stringify(obj, null, 2);
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additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);
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additionalHeaders[Headers.ContentType] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.ContentType, MediaTypes.ApplicationJson);
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let res = await this.put(requestUrl, data, additionalHeaders);
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return this._processResponse(res, this.requestOptions);
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}
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async patchJson(requestUrl, obj, additionalHeaders = {}) {
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let data = JSON.stringify(obj, null, 2);
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additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);
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additionalHeaders[Headers.ContentType] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.ContentType, MediaTypes.ApplicationJson);
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let res = await this.patch(requestUrl, data, additionalHeaders);
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return this._processResponse(res, this.requestOptions);
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}
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/**
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* Makes a raw http request.
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* All other methods such as get, post, patch, and request ultimately call this.
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* Prefer get, del, post and patch
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*/
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async request(verb, requestUrl, data, headers) {
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if (this._disposed) {
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throw new Error('Client has already been disposed.');
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}
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let parsedUrl = url.parse(requestUrl);
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let info = this._prepareRequest(verb, parsedUrl, headers);
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// Only perform retries on reads since writes may not be idempotent.
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let maxTries = this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1
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? this._maxRetries + 1
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: 1;
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let numTries = 0;
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let response;
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while (numTries < maxTries) {
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response = await this.requestRaw(info, data);
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// Check if it's an authentication challenge
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if (response &&
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response.message &&
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response.message.statusCode === HttpCodes.Unauthorized) {
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let authenticationHandler;
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for (let i = 0; i < this.handlers.length; i++) {
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if (this.handlers[i].canHandleAuthentication(response)) {
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authenticationHandler = this.handlers[i];
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break;
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}
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}
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if (authenticationHandler) {
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return authenticationHandler.handleAuthentication(this, info, data);
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}
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else {
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// We have received an unauthorized response but have no handlers to handle it.
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// Let the response return to the caller.
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return response;
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}
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}
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let redirectsRemaining = this._maxRedirects;
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while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1 &&
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this._allowRedirects &&
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redirectsRemaining > 0) {
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const redirectUrl = response.message.headers['location'];
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if (!redirectUrl) {
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// if there's no location to redirect to, we won't
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break;
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}
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let parsedRedirectUrl = url.parse(redirectUrl);
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if (parsedUrl.protocol == 'https:' &&
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parsedUrl.protocol != parsedRedirectUrl.protocol &&
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!this._allowRedirectDowngrade) {
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throw new Error('Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.');
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}
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// we need to finish reading the response before reassigning response
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// which will leak the open socket.
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await response.readBody();
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// strip authorization header if redirected to a different hostname
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if (parsedRedirectUrl.hostname !== parsedUrl.hostname) {
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for (let header in headers) {
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// header names are case insensitive
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if (header.toLowerCase() === 'authorization') {
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delete headers[header];
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}
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}
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}
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// let's make the request with the new redirectUrl
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info = this._prepareRequest(verb, parsedRedirectUrl, headers);
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response = await this.requestRaw(info, data);
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redirectsRemaining--;
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}
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if (HttpResponseRetryCodes.indexOf(response.message.statusCode) == -1) {
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// If not a retry code, return immediately instead of retrying
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return response;
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}
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numTries += 1;
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if (numTries < maxTries) {
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await response.readBody();
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await this._performExponentialBackoff(numTries);
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}
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}
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return response;
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}
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/**
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* Needs to be called if keepAlive is set to true in request options.
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*/
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dispose() {
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if (this._agent) {
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this._agent.destroy();
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}
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this._disposed = true;
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}
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/**
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* Raw request.
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* @param info
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* @param data
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*/
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requestRaw(info, data) {
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return new Promise((resolve, reject) => {
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let callbackForResult = function (err, res) {
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if (err) {
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reject(err);
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}
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resolve(res);
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};
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this.requestRawWithCallback(info, data, callbackForResult);
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});
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}
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/**
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* Raw request with callback.
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* @param info
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* @param data
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* @param onResult
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*/
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requestRawWithCallback(info, data, onResult) {
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let socket;
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if (typeof data === 'string') {
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info.options.headers['Content-Length'] = Buffer.byteLength(data, 'utf8');
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}
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let callbackCalled = false;
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let handleResult = (err, res) => {
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if (!callbackCalled) {
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callbackCalled = true;
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onResult(err, res);
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}
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};
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let req = info.httpModule.request(info.options, (msg) => {
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let res = new HttpClientResponse(msg);
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handleResult(null, res);
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});
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req.on('socket', sock => {
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socket = sock;
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});
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// If we ever get disconnected, we want the socket to timeout eventually
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req.setTimeout(this._socketTimeout || 3 * 60000, () => {
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if (socket) {
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socket.end();
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}
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handleResult(new Error('Request timeout: ' + info.options.path), null);
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});
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req.on('error', function (err) {
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// err has statusCode property
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// res should have headers
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handleResult(err, null);
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});
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if (data && typeof data === 'string') {
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req.write(data, 'utf8');
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}
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if (data && typeof data !== 'string') {
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data.on('close', function () {
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req.end();
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});
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data.pipe(req);
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}
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else {
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req.end();
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}
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}
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/**
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* Gets an http agent. This function is useful when you need an http agent that handles
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* routing through a proxy server - depending upon the url and proxy environment variables.
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* @param serverUrl The server URL where the request will be sent. For example, https://api.github.com
|
||
|
|
*/
|
||
|
|
getAgent(serverUrl) {
|
||
|
|
let parsedUrl = url.parse(serverUrl);
|
||
|
|
return this._getAgent(parsedUrl);
|
||
|
|
}
|
||
|
|
_prepareRequest(method, requestUrl, headers) {
|
||
|
|
const info = {};
|
||
|
|
info.parsedUrl = requestUrl;
|
||
|
|
const usingSsl = info.parsedUrl.protocol === 'https:';
|
||
|
|
info.httpModule = usingSsl ? https : http;
|
||
|
|
const defaultPort = usingSsl ? 443 : 80;
|
||
|
|
info.options = {};
|
||
|
|
info.options.host = info.parsedUrl.hostname;
|
||
|
|
info.options.port = info.parsedUrl.port
|
||
|
|
? parseInt(info.parsedUrl.port)
|
||
|
|
: defaultPort;
|
||
|
|
info.options.path =
|
||
|
|
(info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');
|
||
|
|
info.options.method = method;
|
||
|
|
info.options.headers = this._mergeHeaders(headers);
|
||
|
|
if (this.userAgent != null) {
|
||
|
|
info.options.headers['user-agent'] = this.userAgent;
|
||
|
|
}
|
||
|
|
info.options.agent = this._getAgent(info.parsedUrl);
|
||
|
|
// gives handlers an opportunity to participate
|
||
|
|
if (this.handlers) {
|
||
|
|
this.handlers.forEach(handler => {
|
||
|
|
handler.prepareRequest(info.options);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
_mergeHeaders(headers) {
|
||
|
|
const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
|
||
|
|
if (this.requestOptions && this.requestOptions.headers) {
|
||
|
|
return Object.assign({}, lowercaseKeys(this.requestOptions.headers), lowercaseKeys(headers));
|
||
|
|
}
|
||
|
|
return lowercaseKeys(headers || {});
|
||
|
|
}
|
||
|
|
_getExistingOrDefaultHeader(additionalHeaders, header, _default) {
|
||
|
|
const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
|
||
|
|
let clientHeader;
|
||
|
|
if (this.requestOptions && this.requestOptions.headers) {
|
||
|
|
clientHeader = lowercaseKeys(this.requestOptions.headers)[header];
|
||
|
|
}
|
||
|
|
return additionalHeaders[header] || clientHeader || _default;
|
||
|
|
}
|
||
|
|
_getAgent(parsedUrl) {
|
||
|
|
let agent;
|
||
|
|
let proxyUrl = pm.getProxyUrl(parsedUrl);
|
||
|
|
let useProxy = proxyUrl && proxyUrl.hostname;
|
||
|
|
if (this._keepAlive && useProxy) {
|
||
|
|
agent = this._proxyAgent;
|
||
|
|
}
|
||
|
|
if (this._keepAlive && !useProxy) {
|
||
|
|
agent = this._agent;
|
||
|
|
}
|
||
|
|
// if agent is already assigned use that agent.
|
||
|
|
if (!!agent) {
|
||
|
|
return agent;
|
||
|
|
}
|
||
|
|
const usingSsl = parsedUrl.protocol === 'https:';
|
||
|
|
let maxSockets = 100;
|
||
|
|
if (!!this.requestOptions) {
|
||
|
|
maxSockets = this.requestOptions.maxSockets || http.globalAgent.maxSockets;
|
||
|
|
}
|
||
|
|
if (useProxy) {
|
||
|
|
// If using proxy, need tunnel
|
||
|
|
if (!tunnel) {
|
||
|
|
tunnel = require('tunnel');
|
||
|
|
}
|
||
|
|
const agentOptions = {
|
||
|
|
maxSockets: maxSockets,
|
||
|
|
keepAlive: this._keepAlive,
|
||
|
|
proxy: {
|
||
|
|
proxyAuth: proxyUrl.auth,
|
||
|
|
host: proxyUrl.hostname,
|
||
|
|
port: proxyUrl.port
|
||
|
|
}
|
||
|
|
};
|
||
|
|
let tunnelAgent;
|
||
|
|
const overHttps = proxyUrl.protocol === 'https:';
|
||
|
|
if (usingSsl) {
|
||
|
|
tunnelAgent = overHttps ? tunnel.httpsOverHttps : tunnel.httpsOverHttp;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
tunnelAgent = overHttps ? tunnel.httpOverHttps : tunnel.httpOverHttp;
|
||
|
|
}
|
||
|
|
agent = tunnelAgent(agentOptions);
|
||
|
|
this._proxyAgent = agent;
|
||
|
|
}
|
||
|
|
// if reusing agent across request and tunneling agent isn't assigned create a new agent
|
||
|
|
if (this._keepAlive && !agent) {
|
||
|
|
const options = { keepAlive: this._keepAlive, maxSockets: maxSockets };
|
||
|
|
agent = usingSsl ? new https.Agent(options) : new http.Agent(options);
|
||
|
|
this._agent = agent;
|
||
|
|
}
|
||
|
|
// if not using private agent and tunnel agent isn't setup then use global agent
|
||
|
|
if (!agent) {
|
||
|
|
agent = usingSsl ? https.globalAgent : http.globalAgent;
|
||
|
|
}
|
||
|
|
if (usingSsl && this._ignoreSslError) {
|
||
|
|
// we don't want to set NODE_TLS_REJECT_UNAUTHORIZED=0 since that will affect request for entire process
|
||
|
|
// http.RequestOptions doesn't expose a way to modify RequestOptions.agent.options
|
||
|
|
// we have to cast it to any and change it directly
|
||
|
|
agent.options = Object.assign(agent.options || {}, {
|
||
|
|
rejectUnauthorized: false
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return agent;
|
||
|
|
}
|
||
|
|
_performExponentialBackoff(retryNumber) {
|
||
|
|
retryNumber = Math.min(ExponentialBackoffCeiling, retryNumber);
|
||
|
|
const ms = ExponentialBackoffTimeSlice * Math.pow(2, retryNumber);
|
||
|
|
return new Promise(resolve => setTimeout(() => resolve(), ms));
|
||
|
|
}
|
||
|
|
static dateTimeDeserializer(key, value) {
|
||
|
|
if (typeof value === 'string') {
|
||
|
|
let a = new Date(value);
|
||
|
|
if (!isNaN(a.valueOf())) {
|
||
|
|
return a;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
async _processResponse(res, options) {
|
||
|
|
return new Promise(async (resolve, reject) => {
|
||
|
|
const statusCode = res.message.statusCode;
|
||
|
|
const response = {
|
||
|
|
statusCode: statusCode,
|
||
|
|
result: null,
|
||
|
|
headers: {}
|
||
|
|
};
|
||
|
|
// not found leads to null obj returned
|
||
|
|
if (statusCode == HttpCodes.NotFound) {
|
||
|
|
resolve(response);
|
||
|
|
}
|
||
|
|
let obj;
|
||
|
|
let contents;
|
||
|
|
// get the result from the body
|
||
|
|
try {
|
||
|
|
contents = await res.readBody();
|
||
|
|
if (contents && contents.length > 0) {
|
||
|
|
if (options && options.deserializeDates) {
|
||
|
|
obj = JSON.parse(contents, HttpClient.dateTimeDeserializer);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
obj = JSON.parse(contents);
|
||
|
|
}
|
||
|
|
response.result = obj;
|
||
|
|
}
|
||
|
|
response.headers = res.message.headers;
|
||
|
|
}
|
||
|
|
catch (err) {
|
||
|
|
// Invalid resource (contents not json); leaving result obj null
|
||
|
|
}
|
||
|
|
// note that 3xx redirects are handled by the http layer.
|
||
|
|
if (statusCode > 299) {
|
||
|
|
let msg;
|
||
|
|
// if exception/error in body, attempt to get better error
|
||
|
|
if (obj && obj.message) {
|
||
|
|
msg = obj.message;
|
||
|
|
}
|
||
|
|
else if (contents && contents.length > 0) {
|
||
|
|
// it may be the case that the exception is in the body message as string
|
||
|
|
msg = contents;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
msg = 'Failed request: (' + statusCode + ')';
|
||
|
|
}
|
||
|
|
let err = new Error(msg);
|
||
|
|
// attach statusCode and body obj (if available) to the error object
|
||
|
|
err['statusCode'] = statusCode;
|
||
|
|
if (response.result) {
|
||
|
|
err['result'] = response.result;
|
||
|
|
}
|
||
|
|
reject(err);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
resolve(response);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.HttpClient = HttpClient;
|