codekingpro/portable-devtools

1"use strict";
2var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
3    if (k2 === undefined) k2 = k;
4    var desc = Object.getOwnPropertyDescriptor(m, k);
5    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
6      desc = { enumerable: true, get: function() { return m[k]; } };
7    }
8    Object.defineProperty(o, k2, desc);
9}) : (function(o, m, k, k2) {
10    if (k2 === undefined) k2 = k;
11    o[k2] = m[k];
12}));
13var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
14    Object.defineProperty(o, "default", { enumerable: true, value: v });
15}) : function(o, v) {
16    o["default"] = v;
17});
18var __importStar = (this && this.__importStar) || function (mod) {
19    if (mod && mod.__esModule) return mod;
20    var result = {};
21    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
22    __setModuleDefault(result, mod);
23    return result;
24};
25var __importDefault = (this && this.__importDefault) || function (mod) {
26    return (mod && mod.__esModule) ? mod : { "default": mod };
27};
28Object.defineProperty(exports, "__esModule", { value: true });
29exports.HttpProxyAgent = void 0;
30const net = __importStar(require("net"));
31const tls = __importStar(require("tls"));
32const debug_1 = __importDefault(require("debug"));
33const events_1 = require("events");
34const agent_base_1 = require("agent-base");
35const url_1 = require("url");
36const debug = (0, debug_1.default)('http-proxy-agent');
37/**
38 * The `HttpProxyAgent` implements an HTTP Agent subclass that connects
39 * to the specified "HTTP proxy server" in order to proxy HTTP requests.
40 */
41class HttpProxyAgent extends agent_base_1.Agent {
42    constructor(proxy, opts) {
43        super(opts);
44        this.proxy = typeof proxy === 'string' ? new url_1.URL(proxy) : proxy;
45        this.proxyHeaders = opts?.headers ?? {};
46        debug('Creating new HttpProxyAgent instance: %o', this.proxy.href);
47        // Trim off the brackets from IPv6 addresses
48        const host = (this.proxy.hostname || this.proxy.host).replace(/^\[|\]$/g, '');
49        const port = this.proxy.port
50            ? parseInt(this.proxy.port, 10)
51            : this.proxy.protocol === 'https:'
52                ? 443
53                : 80;
54        this.connectOpts = {
55            ...(opts ? omit(opts, 'headers') : null),
56            host,
57            port,
58        };
59    }
60    addRequest(req, opts) {
61        req._header = null;
62        this.setRequestProps(req, opts);
63        // @ts-expect-error `addRequest()` isn't defined in `@types/node`
64        super.addRequest(req, opts);
65    }
66    setRequestProps(req, opts) {
67        const { proxy } = this;
68        const protocol = opts.secureEndpoint ? 'https:' : 'http:';
69        const hostname = req.getHeader('host') || 'localhost';
70        const base = `${protocol}//${hostname}`;
71        const url = new url_1.URL(req.path, base);
72        if (opts.port !== 80) {
73            url.port = String(opts.port);
74        }
75        // Change the `http.ClientRequest` instance's "path" field
76        // to the absolute path of the URL that will be requested.
77        req.path = String(url);
78        // Inject the `Proxy-Authorization` header if necessary.
79        const headers = typeof this.proxyHeaders === 'function'
80            ? this.proxyHeaders()
81            : { ...this.proxyHeaders };
82        if (proxy.username || proxy.password) {
83            const auth = `${decodeURIComponent(proxy.username)}:${decodeURIComponent(proxy.password)}`;
84            headers['Proxy-Authorization'] = `Basic ${Buffer.from(auth).toString('base64')}`;
85        }
86        if (!headers['Proxy-Connection']) {
87            headers['Proxy-Connection'] = this.keepAlive
88                ? 'Keep-Alive'
89                : 'close';
90        }
91        for (const name of Object.keys(headers)) {
92            const value = headers[name];
93            if (value) {
94                req.setHeader(name, value);
95            }
96        }
97    }
98    async connect(req, opts) {
99        req._header = null;
100        if (!req.path.includes('://')) {
101            this.setRequestProps(req, opts);
102        }
103        // At this point, the http ClientRequest's internal `_header` field
104        // might have already been set. If this is the case then we'll need
105        // to re-generate the string since we just changed the `req.path`.
106        let first;
107        let endOfHeaders;
108        debug('Regenerating stored HTTP header string for request');
109        req._implicitHeader();
110        if (req.outputData && req.outputData.length > 0) {
111            debug('Patching connection write() output buffer with updated header');
112            first = req.outputData[0].data;
113            endOfHeaders = first.indexOf('\r\n\r\n') + 4;
114            req.outputData[0].data =
115                req._header + first.substring(endOfHeaders);
116            debug('Output buffer: %o', req.outputData[0].data);
117        }
118        // Create a socket connection to the proxy server.
119        let socket;
120        if (this.proxy.protocol === 'https:') {
121            debug('Creating `tls.Socket`: %o', this.connectOpts);
122            socket = tls.connect(this.connectOpts);
123        }
124        else {
125            debug('Creating `net.Socket`: %o', this.connectOpts);
126            socket = net.connect(this.connectOpts);
127        }
128        // Wait for the socket's `connect` event, so that this `callback()`
129        // function throws instead of the `http` request machinery. This is
130        // important for i.e. `PacProxyAgent` which determines a failed proxy
131        // connection via the `callback()` function throwing.
132        await (0, events_1.once)(socket, 'connect');
133        return socket;
134    }
135}
136HttpProxyAgent.protocols = ['http', 'https'];
137exports.HttpProxyAgent = HttpProxyAgent;
138function omit(obj, ...keys) {
139    const ret = {};
140    let key;
141    for (key in obj) {
142        if (!keys.includes(key)) {
143            ret[key] = obj[key];
144        }
145    }
146    return ret;
147}
148//# sourceMappingURL=index.js.map