source: trip-planner-front/node_modules/http-proxy-agent/dist/agent.js@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 6.4 KB
Line 
1"use strict";
2var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
3 function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
4 return new (P || (P = Promise))(function (resolve, reject) {
5 function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
6 function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
7 function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
8 step((generator = generator.apply(thisArg, _arguments || [])).next());
9 });
10};
11var __importDefault = (this && this.__importDefault) || function (mod) {
12 return (mod && mod.__esModule) ? mod : { "default": mod };
13};
14Object.defineProperty(exports, "__esModule", { value: true });
15const net_1 = __importDefault(require("net"));
16const tls_1 = __importDefault(require("tls"));
17const url_1 = __importDefault(require("url"));
18const debug_1 = __importDefault(require("debug"));
19const once_1 = __importDefault(require("@tootallnate/once"));
20const agent_base_1 = require("agent-base");
21const debug = debug_1.default('http-proxy-agent');
22function isHTTPS(protocol) {
23 return typeof protocol === 'string' ? /^https:?$/i.test(protocol) : false;
24}
25/**
26 * The `HttpProxyAgent` implements an HTTP Agent subclass that connects
27 * to the specified "HTTP proxy server" in order to proxy HTTP requests.
28 *
29 * @api public
30 */
31class HttpProxyAgent extends agent_base_1.Agent {
32 constructor(_opts) {
33 let opts;
34 if (typeof _opts === 'string') {
35 opts = url_1.default.parse(_opts);
36 }
37 else {
38 opts = _opts;
39 }
40 if (!opts) {
41 throw new Error('an HTTP(S) proxy server `host` and `port` must be specified!');
42 }
43 debug('Creating new HttpProxyAgent instance: %o', opts);
44 super(opts);
45 const proxy = Object.assign({}, opts);
46 // If `true`, then connect to the proxy server over TLS.
47 // Defaults to `false`.
48 this.secureProxy = opts.secureProxy || isHTTPS(proxy.protocol);
49 // Prefer `hostname` over `host`, and set the `port` if needed.
50 proxy.host = proxy.hostname || proxy.host;
51 if (typeof proxy.port === 'string') {
52 proxy.port = parseInt(proxy.port, 10);
53 }
54 if (!proxy.port && proxy.host) {
55 proxy.port = this.secureProxy ? 443 : 80;
56 }
57 if (proxy.host && proxy.path) {
58 // If both a `host` and `path` are specified then it's most likely
59 // the result of a `url.parse()` call... we need to remove the
60 // `path` portion so that `net.connect()` doesn't attempt to open
61 // that as a Unix socket file.
62 delete proxy.path;
63 delete proxy.pathname;
64 }
65 this.proxy = proxy;
66 }
67 /**
68 * Called when the node-core HTTP client library is creating a
69 * new HTTP request.
70 *
71 * @api protected
72 */
73 callback(req, opts) {
74 return __awaiter(this, void 0, void 0, function* () {
75 const { proxy, secureProxy } = this;
76 const parsed = url_1.default.parse(req.path);
77 if (!parsed.protocol) {
78 parsed.protocol = 'http:';
79 }
80 if (!parsed.hostname) {
81 parsed.hostname = opts.hostname || opts.host || null;
82 }
83 if (parsed.port == null && typeof opts.port) {
84 parsed.port = String(opts.port);
85 }
86 if (parsed.port === '80') {
87 // if port is 80, then we can remove the port so that the
88 // ":80" portion is not on the produced URL
89 delete parsed.port;
90 }
91 // Change the `http.ClientRequest` instance's "path" field
92 // to the absolute path of the URL that will be requested.
93 req.path = url_1.default.format(parsed);
94 // Inject the `Proxy-Authorization` header if necessary.
95 if (proxy.auth) {
96 req.setHeader('Proxy-Authorization', `Basic ${Buffer.from(proxy.auth).toString('base64')}`);
97 }
98 // Create a socket connection to the proxy server.
99 let socket;
100 if (secureProxy) {
101 debug('Creating `tls.Socket`: %o', proxy);
102 socket = tls_1.default.connect(proxy);
103 }
104 else {
105 debug('Creating `net.Socket`: %o', proxy);
106 socket = net_1.default.connect(proxy);
107 }
108 // At this point, the http ClientRequest's internal `_header` field
109 // might have already been set. If this is the case then we'll need
110 // to re-generate the string since we just changed the `req.path`.
111 if (req._header) {
112 let first;
113 let endOfHeaders;
114 debug('Regenerating stored HTTP header string for request');
115 req._header = null;
116 req._implicitHeader();
117 if (req.output && req.output.length > 0) {
118 // Node < 12
119 debug('Patching connection write() output buffer with updated header');
120 first = req.output[0];
121 endOfHeaders = first.indexOf('\r\n\r\n') + 4;
122 req.output[0] = req._header + first.substring(endOfHeaders);
123 debug('Output buffer: %o', req.output);
124 }
125 else if (req.outputData && req.outputData.length > 0) {
126 // Node >= 12
127 debug('Patching connection write() output buffer with updated header');
128 first = req.outputData[0].data;
129 endOfHeaders = first.indexOf('\r\n\r\n') + 4;
130 req.outputData[0].data =
131 req._header + first.substring(endOfHeaders);
132 debug('Output buffer: %o', req.outputData[0].data);
133 }
134 }
135 // Wait for the socket's `connect` event, so that this `callback()`
136 // function throws instead of the `http` request machinery. This is
137 // important for i.e. `PacProxyAgent` which determines a failed proxy
138 // connection via the `callback()` function throwing.
139 yield once_1.default(socket, 'connect');
140 return socket;
141 });
142 }
143}
144exports.default = HttpProxyAgent;
145//# sourceMappingURL=agent.js.map
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