278 lines
11 KiB
TypeScript
278 lines
11 KiB
TypeScript
import { expose } from '@pushrocks/smartspawn';
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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 proxyConfigs: plugins.tsclass.network.IReverseProxyConfig[] = [];
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public httpsServer: plugins.https.Server; // | plugins.http.Server;
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public port = 8001;
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public router = new SmartproxyRouter();
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public socketMap = new plugins.lik.ObjectMap<plugins.net.Socket>();
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/**
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* starts the proxyInstance
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*/
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public async start() {
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this.httpsServer = plugins.https.createServer(
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// ================
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// Spotted this keypair in the code?
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// Don't get exited:
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// It is an invalid default keypair.
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// For proper requests custom domain level keypairs are used that are provided in the reverse config
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// ================
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{
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key: `-----BEGIN PRIVATE KEY-----
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MIIJRQIBADANBgkqhkiG9w0BAQEFAASCCS8wggkrAgEAAoICAQDi2F/0kQr96mhe
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3yEWvy2mRHOZoSSBtIqg6Bre4ZcMu901/cHNIjFnynNGFl9Se61yZbW2F3PfCt7+
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kQlHug1Cx+LFssvz+hLlB5cqJQZfRKx92DhbROygtxG9r7UBmx/fwx+JQ+HOHX9R
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b+szLBZqxrNDBFl2SRdviconYgVnHbaqcAPj/lK6D6x94qgUEX+vMjbIruuiCe3u
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RbYse/quzAednVnY/+BuGVn8SEb2EVVFnBEsOxxYpy5ZzGR48O3YnWkM2oPpJhrp
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mMYLcARMnDmIQDVstD1i+MM2lVhx/pm9xKKUgWNJC7lyz2xRscZ4pOtLkfN94leH
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U98nIvxfQe7tQFKN9K52yjdtoT0UaIEUFbZyddkoNka1Xx6r+rE96046BLT2lVs0
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/rnTxZUFH6vP3z9UNktmpxtnZSk67Pj6QAqZtgT0amXEpBlk7vBYSjHsyJ3+5R1y
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oSjhAqeejq6M67NDOflrag5LSTkeTe4dqk0laVb1gjcse18AOlgf7pw5H79zclYH
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NAnoAPua683MD2ZZd4eovEww/imSZvui3NlisSSh1SomABDFxiEaHpewI98n8P1E
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c8bV4ymk35fVJu/+pTZpPnMkYrFReso/uNn07y1iga/9mwkUBNrT+fWE7RzjT7H8
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v3+HQ7OkviX88QKCAQEAg5IJdfKKfindzYieM3WwjW8VkH4LdVLQSW3WlCkMkVgC
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fkM/buxUnXPAryjbVddos+ds7KtkZkjkMSby9iHjxA11GLnF737pK8Uh0Atx+y3O
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p8Y3j9QVjZ3m7K3NuGjFCG75kE5x7PHCkl+Ea4zV4EFNWLS5/cD1Vz8pEiRHhlKn
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aPHO8OcUoOELYVUBzk6EC0IiJxukXPoc+O5JDGn48cqgDFs7vApEqBqxKTYD2jeC
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AR54wNuSBDLCIylTIn016oD37DpjeoVvYBADTu/HMQKCAQEA1rFuajrVrWnMpo98
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pNC7xOLQM9DwwToOMtwH2np0ZiiAj+ENXgx+R1+95Gsiu79k5Cn6oZsqNhPkP+Bb
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fba69M1EDnInmGloLyYDIbbFlsMwWhn7cn+lJYpfVJ9TK+0lMWoD1yAkUa4+DVDz
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orfBWUCPXSzPttmXBJbO+Nr+rP+86KvgdI/AT0vYFNdINomEjxsfpaxjOAaW0wfz
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8jCyWKoZ0gJNEeK32GO5UA7dcgBHD3vQWa3lijo8COsznboaJe7M6PQpa/2S2H3+
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4P5msQKCAQEAx7NP3y+5ttfTd/eQ7/cg1/0y2WxvpOYNLt6MWz4rPWyD6QwidzTG
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pjuQFQ5Ods+BwJ/Jbirb7l4GMAxfIbEPAkPTHpvswO0xcncSYxl0sSP/WIA6sbcM
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dp7B/scdORC8Y6i8oPdCyxyCTd2SBrmGr2krAXmQquT72eusyP5E8HFhCy1iYt22
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aL68dZLv9/sRAF08t9Wy+eYjD/hCj67t7uGCZQT8wJbKr8aJcjwVwJgghh+3EydK
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h+7fBVO49PLL0NWy+8GT8y7a04calFfLvZEA2UMaunBis3dE1KMFfJL/0JO+sKnF
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2TkK01XDDJURK5Lhuvc7WrK2rSJ/fK+0GA==
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-----END PRIVATE KEY-----
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`,
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cert: `-----BEGIN CERTIFICATE-----
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MIIEljCCAn4CCQDY+ZbC9FASVjANBgkqhkiG9w0BAQsFADANMQswCQYDVQQGEwJE
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RTAeFw0xOTA5MjAxNjAxNDRaFw0yMDA5MTkxNjAxNDRaMA0xCzAJBgNVBAYTAkRF
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MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4thf9JEK/epoXt8hFr8t
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pkRzmaEkgbSKoOga3uGXDLvdNf3BzSIxZ8pzRhZfUnutcmW1thdz3wre/pEJR7oN
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QsfixbLL8/oS5QeXKiUGX0Ssfdg4W0TsoLcRva+1AZsf38MfiUPhzh1/UW/rMywW
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asazQwRZdkkXb4nKJ2IFZx22qnAD4/5Sug+sfeKoFBF/rzI2yK7rognt7kW2LHv6
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rswHnZ1Z2P/gbhlZ/EhG9hFVRZwRLDscWKcuWcxkePDt2J1pDNqD6SYa6ZjGC3AE
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TJw5iEA1bLQ9YvjDNpVYcf6ZvcSilIFjSQu5cs9sUbHGeKTrS5HzfeJXh1PfJyL8
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X0Hu7UBSjfSudso3baE9FGiBFBW2cnXZKDZGtV8eq/qxPetOOgS09pVbNP6508WV
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BR+rz98/VDZLZqcbZ2UpOuz4+kAKmbYE9GplxKQZZO7wWEox7Mid/uUdcqEo4QKn
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no6ujOuzQzn5a2oOS0k5Hk3uHapNJWlW9YI3LHtfADpYH+6cOR+/c3JWBzQJ6AD7
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muvNzA9mWXeHqLxMMP4pkmb7otzZYrEkodUqJgAQxcYhGh6XsCPfJ/D9RN734OJc
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gleVXFI8Kz455HxCW19XNfz16k7T6kqhZ/6SOBbkxEuqg7oEthAP109ZZzgx4oDo
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hQsw24TjLkI4SPIc7nr60UUCAwEAATANBgkqhkiG9w0BAQsFAAOCAgEAu0+zrg0C
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mlSv4Yi24OwB7TBvx+WHesl1IilCUdTiiUMo3NumvsU9Dr3Jkd0jGqYI0eyH4gIt
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KrhAveXfEw7tAOEHiYicmAdIFtyzh++ZWb8mgbBeqij1MP/76Jv+cc0lUqpfRo/A
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qytAsPAILuyL1o1jh28JHcq+v+WYn/FEhjUlH6emhGKGlsAjhUPjzK8MEshNolhj
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t2UXw9WB5B2xWvrqlNMy0F3NAZBkZ/+k21HZo6FmVi+q6OEGcOo7wJt6wrH/lko9
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LxX96GC1JoN1Pfr2FoTKy1WHzrSfyGmDIUCrbaYQ58UuMOR+5eIPPdkf/030u5eX
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xXhF2fBujD57E2zQGh/l2MrOjamcSo0+wYhOqlX3WNdaKNAzPqloBnF6w7eqLYde
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h9He39ySmxjENwv3miOjEP1sBeMBSRfL/ckEonfK5uJgYA5nVMQ3ojUeDMZzLfFE
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Ue2WHt+uPyYk7mMZfOrK2uHzI2/Coqj7lbfRodFwj+fCArYBck2NZannDPKA6X8V
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TzJTbTCteOUUJTrcfZ0gGhGkF4nYLmX5OI+TPqrDJf0fZ+mzAEHzDDVXcBYpYRDr
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r8d9QwrK+WaqVi2ofbMfMByVF72jgeJNa4nxwT9bVbu/Q1T2Lt+YPb4pQ7yCoUgS
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JNj2Dr5H0XoLFFnvuvzcRbhlJ9J67JzR+7g=
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-----END CERTIFICATE-----
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`,
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},
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async (req, res) => {
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console.log('got request');
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const destinationConfig = this.router.routeReq(req);
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// endRequest function
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const endRequest = (
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statusArg: number = 404,
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messageArg: string = 'This route is not available on this server.',
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headers: plugins.http.OutgoingHttpHeaders = {}
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) => {
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res.writeHead(statusArg, messageArg);
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res.end(messageArg);
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};
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// authentication
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if (destinationConfig.authentication) {
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const authInfo = destinationConfig.authentication;
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switch (authInfo.type) {
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case 'Basic':
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const authHeader = req.headers.authorization;
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if (authHeader) {
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if (!authHeader.includes('Basic ')) {
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return endRequest(401, 'Authentication required', {
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'WWW-Authenticate': 'Basic realm="Access to the staging site", charset="UTF-8"',
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});
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}
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const authStringBase64 = req.headers.authorization.replace('Basic ', '');
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const authString: string = plugins.smartstring.base64.decode(authStringBase64);
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const userPassArray = authString.split(':');
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const user = userPassArray[0];
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const pass = userPassArray[1];
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if (user === authInfo.user && pass === authInfo.pass) {
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console.log('request successfully authenticated');
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} else {
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return endRequest(403, 'Forbidden: Wrong credentials');
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}
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}
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break;
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default:
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return endRequest(
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403,
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'Forbidden: unsupported authentication method configured. Please report to the admin.'
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);
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}
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}
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let destinationUrl: string;
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if (destinationConfig) {
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destinationUrl = `http://${destinationConfig.destinationIp}:${destinationConfig.destinationPort}${req.url}`;
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} else {
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return endRequest();
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}
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console.log(destinationUrl);
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const response = await plugins.smartrequest.request(
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destinationUrl,
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{
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method: req.method,
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headers: req.headers,
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},
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true, // lets make this streaming
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(request) => {
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req.on('data', (data) => {
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request.write(data);
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});
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req.on('end', (data) => {
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request.end();
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});
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}
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);
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res.statusCode = response.statusCode;
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console.log(response.statusCode);
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for (const header of Object.keys(response.headers)) {
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res.setHeader(header, response.headers[header]);
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}
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response.on('data', (data) => {
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res.write(data);
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});
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response.on('end', () => {
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res.end();
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});
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}
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);
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// Enable websockets
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const wss = new plugins.ws.Server({ server: this.httpsServer });
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wss.on('connection', (ws: plugins.wsDefault) => {
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console.log('got connection for wsc');
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const wscConnected = plugins.smartpromise.defer();
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const wsc = new plugins.wsDefault(this.router.routeWs(ws), {
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headers: {
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Host: ws.url,
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},
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});
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wsc.on('open', () => {
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wscConnected.resolve();
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});
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ws.on('message', async (message) => {
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await wscConnected.promise;
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wsc.emit('message', message);
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});
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wsc.on('message', (message) => {
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ws.emit('message', message);
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});
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// handle closing
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ws.on('close', (message) => {
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wsc.close();
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});
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wsc.on('close', (message) => {
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ws.close();
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});
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});
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this.httpsServer.keepAliveTimeout = 61000;
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this.httpsServer.headersTimeout = 65000;
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this.httpsServer.on('connection', (connection) => {
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this.socketMap.add(connection);
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connection.on('close', () => {
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this.socketMap.remove(connection);
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});
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});
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this.httpsServer.listen(this.port);
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console.log(`ProxyWorker -> OK: now listening for new connections on port ${this.port}`);
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}
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public async updateProxyConfigs(proxyConfigsArg: plugins.tsclass.network.IReverseProxyConfig[]) {
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this.proxyConfigs = proxyConfigsArg;
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this.router.setNewProxyConfigs(proxyConfigsArg);
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for (const hostCandidate of this.proxyConfigs) {
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// console.log(hostCandidate);
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this.httpsServer.addContext(hostCandidate.hostName, {
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cert: hostCandidate.publicKey,
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key: hostCandidate.privateKey,
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});
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}
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/* this.httpsServer.close();
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this.httpsServer.listen(this.port); */
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}
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public async stop() {
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const done = plugins.smartpromise.defer();
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this.httpsServer.close(() => {
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done.resolve();
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});
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await this.socketMap.forEach(async (socket) => {
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socket.destroy();
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});
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await done.promise;
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}
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}
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const proxyWorkerInstance = new ProxyWorker();
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// the following is interesting for the master process only
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const proxyWorkerCalls = {
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stop: async () => {
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await proxyWorkerInstance.stop();
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},
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start: async () => {
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await proxyWorkerInstance.start();
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},
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updateReverseConfigs: async (configArray: plugins.tsclass.network.IReverseProxyConfig[]) => {
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await proxyWorkerInstance.updateProxyConfigs(configArray);
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},
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};
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export type TProxyWorkerCalls = typeof proxyWorkerCalls;
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expose(proxyWorkerCalls);
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console.log('ProxyWorker initialized');
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