109 lines
2.9 KiB
JavaScript
109 lines
2.9 KiB
JavaScript
var tls = require('tls');
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var inherits = require('util').inherits;
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var EventEmitter = require('events').EventEmitter;
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var SocksClient = require('./socks-client.js');
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function SocksAgent(options, secure, rejectUnauthorized) {
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this.options = options;
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this.secure = secure || false;
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this.rejectUnauthorized = rejectUnauthorized;
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if (this.rejectUnauthorized === undefined) {
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this.rejectUnauthorized = true;
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}
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}
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inherits(SocksAgent, EventEmitter);
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SocksAgent.prototype.createConnection = function(req, opts, fn) {
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var handler = fn, host, self = this;
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this.options.target = this.options.target || {};
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if (!this.options.target.host) {
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this.options.target.host = opts.host;
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}
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if (!this.options.target.port) {
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this.options.target.port = opts.port;
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}
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host = this.options.target.host;
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if (this.secure) {
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handler = function(err, socket, info) {
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var options, cleartext;
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if (err) {
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return fn(err);
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}
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// save encrypted socket
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self.encryptedSocket = socket;
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options = {
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socket: socket,
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servername: host,
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rejectUnauthorized: self.rejectUnauthorized
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};
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cleartext = tls.connect(options, function (err) {
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return fn(err, this);
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});
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cleartext.on('error', fn);
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socket.resume();
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}
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}
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SocksClient.createConnection(this.options, handler);
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};
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/**
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* @see https://www.npmjs.com/package/agent-base
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*/
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SocksAgent.prototype.addRequest = function(req, host, port, localAddress) {
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var opts;
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if ('object' === typeof host) {
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// >= v0.11.x API
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opts = host;
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if (opts.host && opts.path) {
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// if both a `host` and `path` are specified then it's most likely the
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// result of a `url.parse()` call... we need to remove the `path` portion so
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// that `net.connect()` doesn't attempt to open that as a unix socket file.
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delete opts.path;
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}
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} else {
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// <= v0.10.x API
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opts = { host: host, port: port };
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if (null !== localAddress) {
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opts.localAddress = localAddress;
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}
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}
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var sync = true;
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this.createConnection(req, opts, function (err, socket) {
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function emitErr () {
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req.emit('error', err);
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}
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if (err) {
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if (sync) {
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// need to defer the "error" event, when sync, because by now the `req`
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// instance hasn't event been passed back to the user yet...
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process.nextTick(emitErr);
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} else {
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emitErr();
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}
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} else {
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req.onSocket(socket);
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//have to resume this socket when node 12
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socket.resume();
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}
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});
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sync = false;
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};
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exports.Agent = SocksAgent;
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