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"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.HttpsProxyAgent = void 0;
const net = __importStar(require("net"));
const tls = __importStar(require("tls"));
const assert_1 = __importDefault(require("assert"));
const debug_1 = __importDefault(require("debug"));
const agent_base_1 = require("agent-base");
const url_1 = require("url");
const parse_proxy_response_1 = require("./parse-proxy-response");
const debug = (0, debug_1.default)('https-proxy-agent');
const setServernameFromNonIpHost = (options) => {
    if (options.servername === undefined &&
        options.host &&
        !net.isIP(options.host)) {
        return {
            ...options,
            servername: options.host,
        };
    }
    return options;
};
/**
 * The `HttpsProxyAgent` implements an HTTP Agent subclass that connects to
 * the specified "HTTP(s) proxy server" in order to proxy HTTPS requests.
 *
 * Outgoing HTTP requests are first tunneled through the proxy server using the
 * `CONNECT` HTTP request method to establish a connection to the proxy server,
 * and then the proxy server connects to the destination target and issues the
 * HTTP request from the proxy server.
 *
 * `https:` requests have their socket connection upgraded to TLS once
 * the connection to the proxy server has been established.
 */
class HttpsProxyAgent extends agent_base_1.Agent {
    constructor(proxy, opts) {
        super(opts);
        this.options = { path: undefined };
        this.proxy = typeof proxy === 'string' ? new url_1.URL(proxy) : proxy;
        this.proxyHeaders = opts?.headers ?? {};
        debug('Creating new HttpsProxyAgent instance: %o', this.proxy.href);
        // Trim off the brackets from IPv6 addresses
        const host = (this.proxy.hostname || this.proxy.host).replace(/^\[|\]$/g, '');
        const port = this.proxy.port
            ? parseInt(this.proxy.port, 10)
            : this.proxy.protocol === 'https:'
                ? 443
                : 80;
        this.connectOpts = {
            // Attempt to negotiate http/1.1 for proxy servers that support http/2
            ALPNProtocols: ['http/1.1'],
            ...(opts ? omit(opts, 'headers') : null),
            host,
            port,
        };
    }
    /**
     * Called when the node-core HTTP client library is creating a
     * new HTTP request.
     */
    async connect(req, opts) {
        const { proxy } = this;
        if (!opts.host) {
            throw new TypeError('No "host" provided');
        }
        // Create a socket connection to the proxy server.
        let socket;
        if (proxy.protocol === 'https:') {
            debug('Creating `tls.Socket`: %o', this.connectOpts);
            socket = tls.connect(setServernameFromNonIpHost(this.connectOpts));
        }
        else {
            debug('Creating `net.Socket`: %o', this.connectOpts);
            socket = net.connect(this.connectOpts);
        }
        const headers = typeof this.proxyHeaders === 'function'
            ? this.proxyHeaders()
            : { ...this.proxyHeaders };
        const host = net.isIPv6(opts.host) ? `[${opts.host}]` : opts.host;
        let payload = `CONNECT ${host}:${opts.port} HTTP/1.1\r\n`;
        // Inject the `Proxy-Authorization` header if necessary.
        if (proxy.username || proxy.password) {
            const auth = `${decodeURIComponent(proxy.username)}:${decodeURIComponent(proxy.password)}`;
            headers['Proxy-Authorization'] = `Basic ${Buffer.from(auth).toString('base64')}`;
        }
        headers.Host = `${host}:${opts.port}`;
        if (!headers['Proxy-Connection']) {
            headers['Proxy-Connection'] = this.keepAlive
                ? 'Keep-Alive'
                : 'close';
        }
        for (const name of Object.keys(headers)) {
            payload += `${name}: ${headers[name]}\r\n`;
        }
        const proxyResponsePromise = (0, parse_proxy_response_1.parseProxyResponse)(socket);
        socket.write(`${payload}\r\n`);
        const { connect, buffered } = await proxyResponsePromise;
        req.emit('proxyConnect', connect);
        this.emit('proxyConnect', connect, req);
        if (connect.statusCode === 200) {
            req.once('socket', resume);
            if (opts.secureEndpoint) {
                // The proxy is connecting to a TLS server, so upgrade
                // this socket connection to a TLS connection.
                debug('Upgrading socket connection to TLS');
                return tls.connect({
                    ...omit(setServernameFromNonIpHost(opts), 'host', 'path', 'port'),
                    socket,
                });
            }
            return socket;
        }
        // Some other status code that's not 200... need to re-play the HTTP
        // header "data" events onto the socket once the HTTP machinery is
        // attached so that the node core `http` can parse and handle the
        // error status code.
        // Close the original socket, and a new "fake" socket is returned
        // instead, so that the proxy doesn't get the HTTP request
        // written to it (which may contain `Authorization` headers or other
        // sensitive data).
        //
        // See: https://hackerone.com/reports/541502
        socket.destroy();
        const fakeSocket = new net.Socket({ writable: false });
        fakeSocket.readable = true;
        // Need to wait for the "socket" event to re-play the "data" events.
        req.once('socket', (s) => {
            debug('Replaying proxy buffer for failed request');
            (0, assert_1.default)(s.listenerCount('data') > 0);
            // Replay the "buffered" Buffer onto the fake `socket`, since at
            // this point the HTTP module machinery has been hooked up for
            // the user.
            s.push(buffered);
            s.push(null);
        });
        return fakeSocket;
    }
}
HttpsProxyAgent.protocols = ['http', 'https'];
exports.HttpsProxyAgent = HttpsProxyAgent;
function resume(socket) {
    socket.resume();
}
function omit(obj, ...keys) {
    const ret = {};
    let key;
    for (key in obj) {
        if (!keys.includes(key)) {
            ret[key] = obj[key];
        }
    }
    return ret;
}
//# sourceMappingURL=index.js.map

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	Name	Size	Perms	Modified	Actions
	index.js	7.28 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive
	parse-proxy-response.js	3.82 KB	lrw-r--r--	2026-02-23 06:54:00	Edit Download recursive recursive