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node_modules/socks-proxy-agent/dist/index.d.ts

@@ -0,0 +1,33 @@
+/// <reference types="node" />
+import { SocksProxy } from 'socks';
+import { Agent, ClientRequest, RequestOptions } from 'agent-base';
+import { AgentOptions } from 'agent-base';
+import { Url } from 'url';
+import net from 'net';
+import tls from 'tls';
+interface BaseSocksProxyAgentOptions {
+    host?: string | null;
+    port?: string | number | null;
+    username?: string | null;
+    tls?: tls.ConnectionOptions | null;
+}
+interface SocksProxyAgentOptionsExtra {
+    timeout?: number;
+}
+export interface SocksProxyAgentOptions extends AgentOptions, BaseSocksProxyAgentOptions, Partial<Omit<Url & SocksProxy, keyof BaseSocksProxyAgentOptions>> {
+}
+export declare class SocksProxyAgent extends Agent {
+    private readonly shouldLookup;
+    private readonly proxy;
+    private readonly tlsConnectionOptions;
+    timeout: number | null;
+    constructor(input: string | SocksProxyAgentOptions, options?: SocksProxyAgentOptionsExtra);
+    /**
+     * Initiates a SOCKS connection to the specified SOCKS proxy server,
+     * which in turn connects to the specified remote host and port.
+     *
+     * @api protected
+     */
+    callback(req: ClientRequest, opts: RequestOptions): Promise<net.Socket>;
+}
+export {};

node_modules/socks-proxy-agent/dist/index.js

@@ -0,0 +1,197 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SocksProxyAgent = void 0;
+const socks_1 = require("socks");
+const agent_base_1 = require("agent-base");
+const debug_1 = __importDefault(require("debug"));
+const dns_1 = __importDefault(require("dns"));
+const tls_1 = __importDefault(require("tls"));
+const debug = (0, debug_1.default)('socks-proxy-agent');
+function parseSocksProxy(opts) {
+    var _a;
+    let port = 0;
+    let lookup = false;
+    let type = 5;
+    const host = opts.hostname;
+    if (host == null) {
+        throw new TypeError('No "host"');
+    }
+    if (typeof opts.port === 'number') {
+        port = opts.port;
+    }
+    else if (typeof opts.port === 'string') {
+        port = parseInt(opts.port, 10);
+    }
+    // From RFC 1928, Section 3: https://tools.ietf.org/html/rfc1928#section-3
+    // "The SOCKS service is conventionally located on TCP port 1080"
+    if (port == null) {
+        port = 1080;
+    }
+    // figure out if we want socks v4 or v5, based on the "protocol" used.
+    // Defaults to 5.
+    if (opts.protocol != null) {
+        switch (opts.protocol.replace(':', '')) {
+            case 'socks4':
+                lookup = true;
+            // pass through
+            case 'socks4a':
+                type = 4;
+                break;
+            case 'socks5':
+                lookup = true;
+            // pass through
+            case 'socks': // no version specified, default to 5h
+            case 'socks5h':
+                type = 5;
+                break;
+            default:
+                throw new TypeError(`A "socks" protocol must be specified! Got: ${String(opts.protocol)}`);
+        }
+    }
+    if (typeof opts.type !== 'undefined') {
+        if (opts.type === 4 || opts.type === 5) {
+            type = opts.type;
+        }
+        else {
+            throw new TypeError(`"type" must be 4 or 5, got: ${String(opts.type)}`);
+        }
+    }
+    const proxy = {
+        host,
+        port,
+        type
+    };
+    let userId = (_a = opts.userId) !== null && _a !== void 0 ? _a : opts.username;
+    let password = opts.password;
+    if (opts.auth != null) {
+        const auth = opts.auth.split(':');
+        userId = auth[0];
+        password = auth[1];
+    }
+    if (userId != null) {
+        Object.defineProperty(proxy, 'userId', {
+            value: userId,
+            enumerable: false
+        });
+    }
+    if (password != null) {
+        Object.defineProperty(proxy, 'password', {
+            value: password,
+            enumerable: false
+        });
+    }
+    return { lookup, proxy };
+}
+const normalizeProxyOptions = (input) => {
+    let proxyOptions;
+    if (typeof input === 'string') {
+        proxyOptions = new URL(input);
+    }
+    else {
+        proxyOptions = input;
+    }
+    if (proxyOptions == null) {
+        throw new TypeError('a SOCKS proxy server `host` and `port` must be specified!');
+    }
+    return proxyOptions;
+};
+class SocksProxyAgent extends agent_base_1.Agent {
+    constructor(input, options) {
+        var _a;
+        const proxyOptions = normalizeProxyOptions(input);
+        super(proxyOptions);
+        const parsedProxy = parseSocksProxy(proxyOptions);
+        this.shouldLookup = parsedProxy.lookup;
+        this.proxy = parsedProxy.proxy;
+        this.tlsConnectionOptions = proxyOptions.tls != null ? proxyOptions.tls : {};
+        this.timeout = (_a = options === null || options === void 0 ? void 0 : options.timeout) !== null && _a !== void 0 ? _a : null;
+    }
+    /**
+     * Initiates a SOCKS connection to the specified SOCKS proxy server,
+     * which in turn connects to the specified remote host and port.
+     *
+     * @api protected
+     */
+    callback(req, opts) {
+        var _a;
+        return __awaiter(this, void 0, void 0, function* () {
+            const { shouldLookup, proxy, timeout } = this;
+            let { host, port, lookup: lookupCallback } = opts;
+            if (host == null) {
+                throw new Error('No `host` defined!');
+            }
+            if (shouldLookup) {
+                // Client-side DNS resolution for "4" and "5" socks proxy versions.
+                host = yield new Promise((resolve, reject) => {
+                    // Use the request's custom lookup, if one was configured:
+                    const lookupFn = lookupCallback !== null && lookupCallback !== void 0 ? lookupCallback : dns_1.default.lookup;
+                    lookupFn(host, {}, (err, res) => {
+                        if (err) {
+                            reject(err);
+                        }
+                        else {
+                            resolve(res);
+                        }
+                    });
+                });
+            }
+            const socksOpts = {
+                proxy,
+                destination: { host, port },
+                command: 'connect',
+                timeout: timeout !== null && timeout !== void 0 ? timeout : undefined
+            };
+            const cleanup = (tlsSocket) => {
+                req.destroy();
+                socket.destroy();
+                if (tlsSocket)
+                    tlsSocket.destroy();
+            };
+            debug('Creating socks proxy connection: %o', socksOpts);
+            const { socket } = yield socks_1.SocksClient.createConnection(socksOpts);
+            debug('Successfully created socks proxy connection');
+            if (timeout !== null) {
+                socket.setTimeout(timeout);
+                socket.on('timeout', () => cleanup());
+            }
+            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');
+                const servername = (_a = opts.servername) !== null && _a !== void 0 ? _a : opts.host;
+                const tlsSocket = tls_1.default.connect(Object.assign(Object.assign(Object.assign({}, omit(opts, 'host', 'hostname', 'path', 'port')), { socket,
+                    servername }), this.tlsConnectionOptions));
+                tlsSocket.once('error', (error) => {
+                    debug('socket TLS error', error.message);
+                    cleanup(tlsSocket);
+                });
+                return tlsSocket;
+            }
+            return socket;
+        });
+    }
+}
+exports.SocksProxyAgent = SocksProxyAgent;
+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