smartproxy/ts/smartproxy.classes.proxyworker.ts

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import * as plugins from './smartproxy.plugins';
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import { SmartproxyRouter } from './smartproxy.classes.router';
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export class ProxyWorker {
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public hostCandidates: plugins.tsclass.network.IReverseProxyConfig[] = [];
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public httpsServer: plugins.https.Server | plugins.http.Server;
public router = new SmartproxyRouter();
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/**
* starts the proxyInstance
*/
public async start() {
this.httpsServer = plugins.http.createServer(async (req, res) => {
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const destinationConfig = this.router.routeReq(req);
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const response = await plugins.smartrequest.request(
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`http://${destinationConfig.destinationIp}:${destinationConfig.destinationPort}${req.url}`,
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{
method: req.method,
headers: req.headers
},
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true // lets make this streaming
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);
res.statusCode = response.statusCode;
for (const header of Object.keys(response.headers)) {
res.setHeader(header, response.headers[header]);
}
response.on('data', data => {
res.write(data);
});
response.on('end', () => {
res.end();
});
});
// Enable websockets
const wss = new plugins.ws.Server({ server: this.httpsServer });
wss.on('connection', function connection(ws) {
const wscConnected = plugins.smartpromise.defer();
const wsc = new plugins.ws(`${ws.url}`);
wsc.on('open', () => {
wscConnected.resolve();
});
ws.on('message', async (message) => {
await wscConnected.promise;
wsc.emit('message', message);
});
wsc.on('message', (message) => {
ws.emit('message', message);
});
// handle closing
ws.on('close', (message) => {
wsc.close();
});
wsc.on('close', (message) => {
ws.close();
});
});
this.httpsServer.listen(3000);
}
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public async updateCandidates(arrayOfReverseCandidates: plugins.tsclass.IReverseProxyConfig[]) {
this.hostCandidates = arrayOfReverseCandidates;
this.router
for (const hostCandidate of this.hostCandidates) {
this.httpsServer.addContext(hostCandidate.hostName, {
cert: hostCandidate.publicKey,
key: hostCandidate.privateKey
});
}
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}
public async stop() {
const done = plugins.smartpromise.defer();
this.httpsServer.close(() => {
done.resolve();
});
}
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}