websocket13
Version:
Simple WebSocket protocol 13 client with no native or heavy dependencies
180 lines • 17.3 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const crypto_1 = require("crypto");
const permessage_deflate_1 = __importDefault(require("permessage-deflate"));
const tiny_typed_emitter_1 = require("tiny-typed-emitter");
const url_1 = require("url");
const websocket_extensions_1 = __importDefault(require("websocket-extensions"));
const WebSocketServerConnection_1 = __importDefault(require("./WebSocketServerConnection"));
const HTTPStatusCodes_1 = __importDefault(require("./enums/HTTPStatusCodes"));
const HTTP_VERSION = 1.1;
const WEBSOCKET_VERSION = 13;
// eslint-disable-next-line
const PACKAGE_VERSION = require('../package.json').version;
class WebSocketServer extends tiny_typed_emitter_1.TypedEmitter {
constructor(options) {
super();
this.options = {
pingInterval: 10000,
pingTimeout: 10000,
pingFailures: 3,
permessageDeflate: true
};
options = options || {};
Object.assign(this.options, options);
this.protocols = this.options.protocols || [];
}
http(server) {
server.on('upgrade', (req, socket, head) => {
if (!req.headers.upgrade || req.headers.upgrade.toLowerCase() != 'websocket') {
bail('Invalid upgrade type. Supported: websocket');
return;
}
if (!req.headers.connection ||
!req.headers.connection.toLowerCase().split(',').map(i => i.trim()).includes('upgrade')) {
bail('Invalid upgrade request.');
return;
}
let httpV = req.httpVersion.split('.');
if (parseInt(httpV[0]) < 1 || parseInt(httpV[1]) < 1) {
bail('Invalid HTTP version for websocket upgrade.');
return;
}
if (req.method.toUpperCase() != 'GET') {
bail('Bad HTTP method. Required: GET');
return;
}
if (!req.headers['sec-websocket-key'] || Buffer.from(req.headers['sec-websocket-key'], 'base64').length != 16) {
bail('Missing or invalid Sec-WebSocket-Key.');
return;
}
if (req.headers['sec-websocket-version'] != WEBSOCKET_VERSION.toString()) {
bail(`Sec-WebSocket-Version must be ${WEBSOCKET_VERSION}.`);
return;
}
if (!socket.remoteAddress) {
bail('Unable to determine IP address.');
return;
}
let selectedProtocol = null;
let protocols = [];
if (req.headers['sec-websocket-protocol']) {
protocols = req.headers['sec-websocket-protocol'].split(',').map(protocol => protocol.trim());
// Do any of these match?
for (let i = 0; i < protocols.length; i++) {
if (this.protocols.indexOf(protocols[i]) != -1) {
selectedProtocol = protocols[i];
break;
}
}
}
let uri = (0, url_1.parse)(req.url, true);
let extensions = new websocket_extensions_1.default();
if (this.options.permessageDeflate) {
extensions.add(permessage_deflate_1.default);
}
let selectedExtensions = extensions.generateResponse(req.headers['sec-websocket-extensions']);
let handshakeData = {
path: uri.pathname,
query: uri.query,
headers: req.headers,
httpVersion: req.httpVersion,
origin: req.headers.origin || null,
protocols: protocols || [],
selectedProtocol: selectedProtocol || null,
auth: null,
cookies: {},
remoteAddress: socket.remoteAddress.replace(/^::ffff:/, ''),
socket
};
// Does it have HTTP authorization?
if (req.headers.authorization) {
let match = req.headers.authorization.match(/basic ((?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4}))/i);
if (match) {
handshakeData.auth = Buffer.from(match[1], 'base64').toString('utf8');
}
}
// Does it have cookies?
if (req.headers.cookie) {
req.headers.cookie.split(';').map(cookie => cookie.trim().split('=')).forEach(cookie => {
handshakeData.cookies[cookie[0].trim()] = decodeURIComponent(cookie.slice(1).join('=').trim());
});
}
// Everything looks okay so far, make sure we'd like to accept this.
this.emit('handshake', handshakeData, (statusCode, body, headers) => {
// REJECT
req.statusCode = statusCode || 403;
headers = headers || {};
socket.end(buildResponse(statusCode || 403, headers, body));
}, (response) => {
// ACCEPT
response = response || {};
let headers = response.headers || {};
let options = {
pingInterval: this.options.pingInterval,
pingTimeout: this.options.pingTimeout,
pingFailures: this.options.pingFailures,
};
headers.Upgrade = 'websocket';
headers.Connection = 'Upgrade';
headers['Sec-WebSocket-Accept'] = (0, crypto_1.createHash)('sha1').update(req.headers['sec-websocket-key'] + '258EAFA5-E914-47DA-95CA-C5AB0DC85B11').digest('base64');
// Check if the accept method overrode our selected subprotocol
if (typeof response.protocol !== 'undefined') {
handshakeData.selectedProtocol = response.protocol || null;
}
if (typeof response.permessageDeflate != 'undefined') {
extensions = new websocket_extensions_1.default();
if (response.permessageDeflate) {
extensions.add(permessage_deflate_1.default);
}
selectedExtensions = extensions.generateResponse(req.headers['sec-websocket-extensions']);
}
if (selectedExtensions) {
headers['Sec-WebSocket-Extensions'] = selectedExtensions;
}
if (handshakeData.selectedProtocol) {
headers['Sec-WebSocket-Protocol'] = handshakeData.selectedProtocol;
}
socket.write(buildResponse(101, headers));
response.options = response.options || {};
Object.assign(options, response.options);
let websocket = new WebSocketServerConnection_1.default(socket, options, handshakeData, head, extensions);
this.emit('connection', websocket);
return websocket;
});
function bail(err) {
if (server.listenerCount('upgrade') != 1) {
// Something else could pick this up
return;
}
socket.end(buildResponse(400, null, err));
}
});
}
}
exports.default = WebSocketServer;
function buildResponse(code, headers, body) {
let response = `HTTP/${HTTP_VERSION} ${code} ${HTTPStatusCodes_1.default[code] || 'Unknown Response'}\r\n`;
headers = headers || {};
headers.Server = `node-websocket13/${PACKAGE_VERSION}`;
headers.Date = new Date().toUTCString();
if (typeof body === 'object') {
body = JSON.stringify(body);
headers['Content-Type'] = 'application/json';
}
if (body) {
headers['Content-Length'] = Buffer.byteLength(body);
}
else if (code != 204 && code != 101) {
headers['Content-Length'] = 0;
}
for (let i in headers) {
response += `${i}: ${headers[i]}\r\n`;
}
response += '\r\n' + (typeof body !== 'undefined' ? body : '');
return response;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"WebSocketServer.js","sourceRoot":"","sources":["../src/WebSocketServer.ts"],"names":[],"mappings":";;;;;AAAA,mCAAkC;AAGlC,4EAAmD;AACnD,2DAAgD;AAChD,6BAAsC;AACtC,gFAAuD;AAGvD,4FAAoE;AACpE,8EAAsD;AAGtD,MAAM,YAAY,GAAG,GAAG,CAAC;AACzB,MAAM,iBAAiB,GAAG,EAAE,CAAC;AAE7B,2BAA2B;AAC3B,MAAM,eAAe,GAAG,OAAO,CAAC,iBAAiB,CAAC,CAAC,OAAO,CAAC;AAE3D,MAAqB,eAAgB,SAAQ,iCAAmC;IAI/E,YAAY,OAAgC;QAC3C,KAAK,EAAE,CAAC;QAER,IAAI,CAAC,OAAO,GAAG;YACd,YAAY,EAAE,KAAK;YACnB,WAAW,EAAE,KAAK;YAClB,YAAY,EAAE,CAAC;YACf,iBAAiB,EAAE,IAAI;SACvB,CAAC;QAEF,OAAO,GAAG,OAAO,IAAI,EAAE,CAAC;QACxB,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;QAErC,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC,OAAO,CAAC,SAAS,IAAI,EAAE,CAAC;IAC/C,CAAC;IAED,IAAI,CAAC,MAAkB;QACtB,MAAM,CAAC,EAAE,CAAC,SAAS,EAAE,CAAC,GAAoB,EAAE,MAAc,EAAE,IAAY,EAAE,EAAE;YAC3E,IAAI,CAAC,GAAG,CAAC,OAAO,CAAC,OAAO,IAAI,GAAG,CAAC,OAAO,CAAC,OAAO,CAAC,WAAW,EAAE,IAAI,WAAW,EAAE;gBAC7E,IAAI,CAAC,4CAA4C,CAAC,CAAC;gBACnD,OAAO;aACP;YAED,IACC,CAAC,GAAG,CAAC,OAAO,CAAC,UAAU;gBACvB,CAAC,GAAG,CAAC,OAAO,CAAC,UAAU,CAAC,WAAW,EAAE,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,IAAI,EAAE,CAAC,CAAC,QAAQ,CAAC,SAAS,CAAC,EACtF;gBACD,IAAI,CAAC,0BAA0B,CAAC,CAAC;gBACjC,OAAO;aACP;YAED,IAAI,KAAK,GAAG,GAAG,CAAC,WAAW,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;YACvC,IAAI,QAAQ,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,IAAI,QAAQ,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,EAAE;gBACrD,IAAI,CAAC,6CAA6C,CAAC,CAAC;gBACpD,OAAO;aACP;YAED,IAAI,GAAG,CAAC,MAAM,CAAC,WAAW,EAAE,IAAI,KAAK,EAAE;gBACtC,IAAI,CAAC,gCAAgC,CAAC,CAAC;gBACvC,OAAO;aACP;YAED,IAAI,CAAC,GAAG,CAAC,OAAO,CAAC,mBAAmB,CAAC,IAAI,MAAM,CAAC,IAAI,CAAC,GAAG,CAAC,OAAO,CAAC,mBAAmB,CAAW,EAAE,QAAQ,CAAC,CAAC,MAAM,IAAI,EAAE,EAAE;gBACxH,IAAI,CAAC,uCAAuC,CAAC,CAAC;gBAC9C,OAAO;aACP;YAED,IAAK,GAAG,CAAC,OAAO,CAAC,uBAAuB,CAAY,IAAI,iBAAiB,CAAC,QAAQ,EAAE,EAAE;gBACrF,IAAI,CAAC,iCAAiC,iBAAiB,GAAG,CAAC,CAAC;gBAC5D,OAAO;aACP;YAED,IAAI,CAAC,MAAM,CAAC,aAAa,EAAE;gBAC1B,IAAI,CAAC,iCAAiC,CAAC,CAAC;gBACxC,OAAO;aACP;YAED,IAAI,gBAAgB,GAAG,IAAI,CAAC;YAC5B,IAAI,SAAS,GAAG,EAAE,CAAC;YACnB,IAAI,GAAG,CAAC,OAAO,CAAC,wBAAwB,CAAC,EAAE;gBAC1C,SAAS,GAAI,GAAG,CAAC,OAAO,CAAC,wBAAwB,CAAY,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,QAAQ,CAAC,EAAE,CAAC,QAAQ,CAAC,IAAI,EAAE,CAAC,CAAC;gBAC1G,yBAAyB;gBAEzB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,SAAS,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;oBAC1C,IAAI,IAAI,CAAC,SAAS,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,EAAE;wBAC/C,gBAAgB,GAAG,SAAS,CAAC,CAAC,CAAC,CAAC;wBAChC,MAAM;qBACN;iBACD;aACD;YAED,IAAI,GAAG,GAAG,IAAA,WAAQ,EAAC,GAAG,CAAC,GAAG,EAAE,IAAI,CAAC,CAAC;YAElC,IAAI,UAAU,GAAG,IAAI,8BAAmB,EAAE,CAAC;YAC3C,IAAI,IAAI,CAAC,OAAO,CAAC,iBAAiB,EAAE;gBACnC,UAAU,CAAC,GAAG,CAAC,4BAAiB,CAAC,CAAC;aAClC;YACD,IAAI,kBAAkB,GAAG,UAAU,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAC,0BAA0B,CAAC,CAAC,CAAC;YAE9F,IAAI,aAAa,GAAiB;gBACjC,IAAI,EAAE,GAAG,CAAC,QAAQ;gBAClB,KAAK,EAAE,GAAG,CAAC,KAAiC;gBAC5C,OAAO,EAAE,GAAG,CAAC,OAAmC;gBAChD,WAAW,EAAE,GAAG,CAAC,WAAW;gBAC5B,MAAM,EAAE,GAAG,CAAC,OAAO,CAAC,MAAM,IAAI,IAAI;gBAClC,SAAS,EAAE,SAAS,IAAI,EAAE;gBAC1B,gBAAgB,EAAE,gBAAgB,IAAI,IAAI;gBAC1C,IAAI,EAAE,IAAI;gBACV,OAAO,EAAE,EAAE;gBACX,aAAa,EAAE,MAAM,CAAC,aAAa,CAAC,OAAO,CAAC,UAAU,EAAE,EAAE,CAAC;gBAC3D,MAAM;aACN,CAAC;YAEF,mCAAmC;YACnC,IAAI,GAAG,CAAC,OAAO,CAAC,aAAa,EAAE;gBAC9B,IAAI,KAAK,GAAG,GAAG,CAAC,OAAO,CAAC,aAAa,CAAC,KAAK,CAAC,yFAAyF,CAAC,CAAC;gBACvI,IAAI,KAAK,EAAE;oBACV,aAAa,CAAC,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,QAAQ,CAAC,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;iBACtE;aACD;YAED,wBAAwB;YACxB,IAAI,GAAG,CAAC,OAAO,CAAC,MAAM,EAAE;gBACvB,GAAG,CAAC,OAAO,CAAC,MAAM,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,MAAM,CAAC,EAAE,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC,OAAO,CAAC,MAAM,CAAC,EAAE;oBACtF,aAAa,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,IAAI,EAAE,CAAC,GAAG,kBAAkB,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,IAAI,EAAE,CAAC,CAAC;gBAChG,CAAC,CAAC,CAAC;aACH;YAED,oEAAoE;YACpE,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE,aAAa,EAAE,CAAC,UAAU,EAAE,IAAI,EAAE,OAAO,EAAE,EAAE;gBACnE,SAAS;gBACT,GAAG,CAAC,UAAU,GAAG,UAAU,IAAI,GAAG,CAAC;gBACnC,OAAO,GAAG,OAAO,IAAI,EAAE,CAAC;gBACxB,MAAM,CAAC,GAAG,CAAC,aAAa,CAAC,UAAU,IAAI,GAAG,EAAE,OAAO,EAAE,IAAI,CAAC,CAAC,CAAC;YAC7D,CAAC,EAAE,CAAC,QAAQ,EAAE,EAAE;gBACf,SAAS;gBACT,QAAQ,GAAG,QAAQ,IAAI,EAAE,CAAC;gBAC1B,IAAI,OAAO,GAAG,QAAQ,CAAC,OAAO,IAAI,EAAE,CAAC;gBAErC,IAAI,OAAO,GAAwB;oBAClC,YAAY,EAAE,IAAI,CAAC,OAAO,CAAC,YAAY;oBACvC,WAAW,EAAE,IAAI,CAAC,OAAO,CAAC,WAAW;oBACrC,YAAY,EAAE,IAAI,CAAC,OAAO,CAAC,YAAY;iBACvC,CAAC;gBAEF,OAAO,CAAC,OAAO,GAAG,WAAW,CAAC;gBAC9B,OAAO,CAAC,UAAU,GAAG,SAAS,CAAC;gBAC/B,OAAO,CAAC,sBAAsB,CAAC,GAAG,IAAA,mBAAU,EAAC,MAAM,CAAC,CAAC,MAAM,CAC1D,GAAG,CAAC,OAAO,CAAC,mBAAmB,CAAC,GAAG,sCAAsC,CACzE,CAAC,MAAM,CAAC,QAAQ,CAAC,CAAC;gBAEnB,+DAA+D;gBAC/D,IAAI,OAAO,QAAQ,CAAC,QAAQ,KAAK,WAAW,EAAE;oBAC7C,aAAa,CAAC,gBAAgB,GAAG,QAAQ,CAAC,QAAQ,IAAI,IAAI,CAAC;iBAC3D;gBAED,IAAI,OAAO,QAAQ,CAAC,iBAAiB,IAAI,WAAW,EAAE;oBACrD,UAAU,GAAG,IAAI,8BAAmB,EAAE,CAAC;oBACvC,IAAI,QAAQ,CAAC,iBAAiB,EAAE;wBAC/B,UAAU,CAAC,GAAG,CAAC,4BAAiB,CAAC,CAAC;qBAClC;oBACD,kBAAkB,GAAG,UAAU,CAAC,gBAAgB,CAAC,GAAG,CAAC,OAAO,CAAC,0BAA0B,CAAC,CAAC,CAAC;iBAC1F;gBAED,IAAI,kBAAkB,EAAE;oBACvB,OAAO,CAAC,0BAA0B,CAAC,GAAG,kBAAkB,CAAC;iBACzD;gBAED,IAAI,aAAa,CAAC,gBAAgB,EAAE;oBACnC,OAAO,CAAC,wBAAwB,CAAC,GAAG,aAAa,CAAC,gBAAgB,CAAC;iBACnE;gBAED,MAAM,CAAC,KAAK,CAAC,aAAa,CAAC,GAAG,EAAE,OAAO,CAAC,CAAC,CAAC;gBAE1C,QAAQ,CAAC,OAAO,GAAG,QAAQ,CAAC,OAAO,IAAI,EAAE,CAAC;gBAC1C,MAAM,CAAC,MAAM,CAAC,OAAO,EAAE,QAAQ,CAAC,OAAO,CAAC,CAAC;gBAEzC,IAAI,SAAS,GAAG,IAAI,mCAAyB,CAAC,MAAM,EAAE,OAAO,EAAE,aAAa,EAAE,IAAI,EAAE,UAAU,CAAC,CAAC;gBAChG,IAAI,CAAC,IAAI,CAAC,YAAY,EAAE,SAAS,CAAC,CAAC;gBACnC,OAAO,SAAS,CAAC;YAClB,CAAC,CAAC,CAAC;YAEH,SAAS,IAAI,CAAC,GAAG;gBAChB,IAAI,MAAM,CAAC,aAAa,CAAC,SAAS,CAAC,IAAI,CAAC,EAAE;oBACzC,oCAAoC;oBACpC,OAAO;iBACP;gBAED,MAAM,CAAC,GAAG,CAAC,aAAa,CAAC,GAAG,EAAE,IAAI,EAAE,GAAG,CAAC,CAAC,CAAC;YAC3C,CAAC;QACF,CAAC,CAAC,CAAC;IACJ,CAAC;CACD;AAhLD,kCAgLC;AAID,SAAS,aAAa,CAAC,IAAY,EAAE,OAA8B,EAAE,IAAoB;IACxF,IAAI,QAAQ,GAAG,QAAQ,YAAY,IAAI,IAAI,IAAI,yBAAe,CAAC,IAAI,CAAC,IAAI,kBAAkB,MAAM,CAAC;IAEjG,OAAO,GAAG,OAAO,IAAI,EAAE,CAAC;IACxB,OAAO,CAAC,MAAM,GAAG,oBAAoB,eAAe,EAAE,CAAC;IACvD,OAAO,CAAC,IAAI,GAAG,IAAI,IAAI,EAAE,CAAC,WAAW,EAAE,CAAC;IAExC,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;QAC7B,IAAI,GAAG,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,CAAC;QAC5B,OAAO,CAAC,cAAc,CAAC,GAAG,kBAAkB,CAAC;KAC7C;IAED,IAAI,IAAI,EAAE;QACT,OAAO,CAAC,gBAAgB,CAAC,GAAG,MAAM,CAAC,UAAU,CAAC,IAAI,CAAC,CAAC;KACpD;SAAM,IAAI,IAAI,IAAI,GAAG,IAAI,IAAI,IAAI,GAAG,EAAE;QACtC,OAAO,CAAC,gBAAgB,CAAC,GAAG,CAAC,CAAC;KAC9B;IAED,KAAK,IAAI,CAAC,IAAI,OAAO,EAAE;QACtB,QAAQ,IAAI,GAAG,CAAC,KAAK,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC;KACtC;IAED,QAAQ,IAAI,MAAM,GAAG,CAAC,OAAO,IAAI,KAAK,WAAW,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC;IAC/D,OAAO,QAAQ,CAAC;AACjB,CAAC"}