mirror of
https://github.com/musix-org/musix-oss
synced 2024-11-10 11:20:19 +00:00
91 lines
2.7 KiB
JavaScript
91 lines
2.7 KiB
JavaScript
'use strict';
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var util = require('util'),
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net = require('net'),
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tls = require('tls'),
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url = require('url'),
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driver = require('websocket-driver'),
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API = require('./api'),
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Event = require('./api/event');
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var DEFAULT_PORTS = {'http:': 80, 'https:': 443, 'ws:':80, 'wss:': 443},
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SECURE_PROTOCOLS = ['https:', 'wss:'];
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var Client = function(_url, protocols, options) {
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options = options || {};
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this.url = _url;
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this._driver = driver.client(this.url, {maxLength: options.maxLength, protocols: protocols});
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['open', 'error'].forEach(function(event) {
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this._driver.on(event, function() {
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self.headers = self._driver.headers;
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self.statusCode = self._driver.statusCode;
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});
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}, this);
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var proxy = options.proxy || {},
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endpoint = url.parse(proxy.origin || this.url),
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port = endpoint.port || DEFAULT_PORTS[endpoint.protocol],
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secure = SECURE_PROTOCOLS.indexOf(endpoint.protocol) >= 0,
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onConnect = function() { self._onConnect() },
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netOptions = options.net || {},
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originTLS = options.tls || {},
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socketTLS = proxy.origin ? (proxy.tls || {}) : originTLS,
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self = this;
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netOptions.host = socketTLS.host = endpoint.hostname;
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netOptions.port = socketTLS.port = port;
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originTLS.ca = originTLS.ca || options.ca;
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socketTLS.servername = socketTLS.servername || endpoint.hostname;
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this._stream = secure
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? tls.connect(socketTLS, onConnect)
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: net.connect(netOptions, onConnect);
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if (proxy.origin) this._configureProxy(proxy, originTLS);
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API.call(this, options);
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};
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util.inherits(Client, API);
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Client.prototype._onConnect = function() {
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var worker = this._proxy || this._driver;
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worker.start();
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};
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Client.prototype._configureProxy = function(proxy, originTLS) {
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var uri = url.parse(this.url),
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secure = SECURE_PROTOCOLS.indexOf(uri.protocol) >= 0,
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self = this,
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name;
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this._proxy = this._driver.proxy(proxy.origin);
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if (proxy.headers) {
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for (name in proxy.headers) this._proxy.setHeader(name, proxy.headers[name]);
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}
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this._proxy.pipe(this._stream, {end: false});
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this._stream.pipe(this._proxy);
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this._proxy.on('connect', function() {
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if (secure) {
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var options = {socket: self._stream, servername: uri.hostname};
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for (name in originTLS) options[name] = originTLS[name];
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self._stream = tls.connect(options);
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self._configureStream();
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}
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self._driver.io.pipe(self._stream);
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self._stream.pipe(self._driver.io);
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self._driver.start();
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});
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this._proxy.on('error', function(error) {
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self._driver.emit('error', error);
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});
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};
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module.exports = Client;
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