let request = { path: "user/login", name: "Sushruth", pass: "******" };
let mp = require('msgpack-lite');
var WebSocket = require('streamws');
var ws = new WebSocket('ws://localhost:8642');
ws.on('open', () => {
ws.send(mp.encode(request), { binary: true, mask: true });
});
localConnection.on("data", function(data) {
if(state == 0) {
var buffer = new Buffer(2);
buffer.write("\u0005", 0, 1, "binary");
buffer.write("\u0000", 1, 1, "binary");
localConnection.write(buffer);
state = 1;
return;
}
if(state == 1) {
if(data[1] == 2) {
console.log("error: unsupported command code: 0x02 (establish a TCP/IP port binding)");
var buffer = new Buffer(10);
buffer.write("\u0005", 0, 1, "binary");
buffer.write("\u0007", 1, 1, "binary");
buffer.write("\u0000", 2, 1, "binary");
buffer.write("\u0001", 3, 1, "binary");
buffer.write("\u0000", 4, 1, "binary");
buffer.write("\u0000", 5, 1, "binary");
buffer.write("\u0000", 6, 1, "binary");
buffer.write("\u0000", 7, 1, "binary");
buffer.write("\u0000", 8, 1, "binary");
buffer.write("\u0000", 9, 1, "binary");
localConnection.end(buffer);
return;
}
if(data[1] == 3) {
console.log("error: unsupported command code: 0x03 (associate a UDP port)");
var buffer = new Buffer(10);
buffer.write("\u0005", 0, 1, "binary");
buffer.write("\u0007", 1, 1, "binary");
buffer.write("\u0000", 2, 1, "binary");
buffer.write("\u0001", 3, 1, "binary");
buffer.write("\u0000", 4, 1, "binary");
buffer.write("\u0000", 5, 1, "binary");
buffer.write("\u0000", 6, 1, "binary");
buffer.write("\u0000", 7, 1, "binary");
buffer.write("\u0000", 8, 1, "binary");
buffer.write("\u0000", 9, 1, "binary");
localConnection.end(buffer);
return;
}
if(data[3] == 4) {
console.log("error: unsupported address type: 0x04 (IPv6 address)");
var buffer = new Buffer(10);
buffer.write("\u0005", 0, 1, "binary");
buffer.write("\u0008", 1, 1, "binary");
buffer.write("\u0000", 2, 1, "binary");
buffer.write("\u0001", 3, 1, "binary");
buffer.write("\u0000", 4, 1, "binary");
buffer.write("\u0000", 5, 1, "binary");
buffer.write("\u0000", 6, 1, "binary");
buffer.write("\u0000", 7, 1, "binary");
buffer.write("\u0000", 8, 1, "binary");
buffer.write("\u0000", 9, 1, "binary");
localConnection.end(buffer);
return;
}
if(data[3] == 1) {
remoteAddress = data[4] + "." + data[5] + "." + data[6] + "." + data[7];
remotePort = data.readUInt16BE(8);
}
if(data[3] == 3) {
var remoteAddressLength = data[4];
remoteAddress = data.slice(5, 5 + remoteAddressLength).toString("binary");
remotePort = data.readUInt16BE(5 + remoteAddressLength);
}
console.log("localConnection.remoteAddress: " + remoteAddress);
console.log("localConnection.remotePort: " + remotePort);
var i = Math.floor(Math.random() * configuration.REMOTE_PROXY_SERVERS.length);
var requestUrl = configuration.REMOTE_PROXY_SERVERS[i].ADDRESS + ":" + configuration.REMOTE_PROXY_SERVERS[i].PORT + "/";
var requestOptions = {};
if(configuration.REMOTE_PROXY_SERVERS[i].TYPE == "HTTP") {
if(configuration.PROXY_SERVER.ADDRESS == "") {
requestOptions.agent = false;
} else {
requestOptions.agent = new HTTPAgent(configuration);
}
requestUrl = "ws://" + requestUrl;
} else {
if(configuration.REMOTE_PROXY_SERVERS[i].CERTIFICATE.AUTHENTICATION.FILE !== "") {
certificates = [];
certificatesData = fs.readFileSync(configuration.REMOTE_PROXY_SERVERS[i].CERTIFICATE.AUTHENTICATION.FILE, "utf8");
certificatesData = certificatesData.split("\n");
certificateData = [];
for(j = 0; j < certificatesData.length; j = j + 1) {
data = certificatesData[j];
if(data.length !== 0) {
certificateData.push(data);
if(data.match(/-END CERTIFICATE-/)) {
certificates.push(certificateData.join("\n"));
certificateData = [];
}
}
}
requestOptions.ca = certificates;
requestOptions.rejectUnauthorized = true;
} else {
requestOptions.ca = [];
requestOptions.rejectUnauthorized = false;
}
if(configuration.PROXY_SERVER.ADDRESS == "") {
requestOptions.agent = false;
} else {
requestOptions.agent = new HTTPSAgent(configuration);
}
requestUrl = "wss://" + requestUrl;
}
remoteConnection = new websocket(requestUrl, requestOptions);
remoteConnection.on("open", function() {
console.log("remoteConnection.open");
var request = {};
request["REMOTE_PROXY_SERVER"] = {};
request["REMOTE_PROXY_SERVER"]["AUTHENTICATION"] = {};
request["REMOTE_PROXY_SERVER"]["AUTHENTICATION"]["USERNAME"] = configuration.REMOTE_PROXY_SERVERS[i].AUTHENTICATION.USERNAME;
request["REMOTE_PROXY_SERVER"]["AUTHENTICATION"]["PASSWORD"] = configuration.REMOTE_PROXY_SERVERS[i].AUTHENTICATION.PASSWORD;
request["REMOTE_ADDRESS"] = remoteAddress
request["REMOTE_PORT"] = remotePort
var message = JSON.stringify(request);
remoteConnection.send(message, {binary: false});
});
remoteConnection.on("message", function(message) {
console.log("remoteConnection.message");
if(state == 1) {
var response = JSON.parse(message);
var buffer = new Buffer(10);
buffer.write("\u0005", 0, 1, "binary");
buffer.write("\u0000", 1, 1, "binary");
buffer.write("\u0000", 2, 1, "binary");
buffer.write("\u0001", 3, 1, "binary");
buffer.write("\u0000", 4, 1, "binary");
buffer.write("\u0000", 5, 1, "binary");
buffer.write("\u0000", 6, 1, "binary");
buffer.write("\u0000", 7, 1, "binary");
buffer.write("\u0000", 8, 1, "binary");
buffer.write("\u0000", 9, 1, "binary");
if(localConnectionState == 1) {
localConnection.write(buffer);
}
state = 2;
return;
}
if(state == 2) {
console.log("remoteConnection.message: messageLength=" + message.length);
if(message.length == 0) {
if(localConnectionState == 1) {
localConnection.resume();
}
return;
}
remoteConnection.send("", {binary: true});
if(localConnectionState == 1) {
if(!localConnection.write(message)) {
remoteConnection.pause();
}
}
return;
}
});
remoteConnection.on("close", function() {
console.log("remoteConnection.close");
if(localConnectionState == 1) {
localConnection.end();
}
});
remoteConnection.on("error", function(error) {
console.log("remoteConnection.error");
console.log("error: " + error.toString());
});
}
if(state == 2) {
localConnection.pause();
if(remoteConnection.readyState == websocket.OPEN) {
remoteConnection.send(data, {binary: true});
}
}
});