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858c2453b3
This patch adds a reverse proxy in front of novnc and playwright server inside the container. As a result: - container exposes a single HTTP port to the host - all Playwright clients can connect using this exposed port, e.g. `http://127.0.0.1:5400` - navigating to the exposed port in the browser lands on a nice HTML page with a link to view container screen - users can also manually navigate to `http://127.0.0.1:5400/screen` to view screen
70 lines
2.6 KiB
JavaScript
70 lines
2.6 KiB
JavaScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const http = require('http');
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const fs = require('fs');
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const path = require('path');
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const { debug, program } = require('../lib/utilsBundle');
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const { ProxyServer } = require('../lib/third_party/http_proxy');
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const debugLog = debug('pw:proxy');
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program
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.command('start')
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.description('reverse proxy for novnc and playwright server')
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.option('--port <number>', 'port number')
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.option('--server-endpoint <url>', 'Playwright Server endpoint')
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.option('--novnc-endpoint <url>', 'novnc server endpoint')
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.option('--novnc-ws-path <string>', 'novnc websocket path')
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.action(async function(options) {
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launchReverseProxy(options.port, options.serverEndpoint, options.novncEndpoint, options.novncWsPath);
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});
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program.parse(process.argv);
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async function launchReverseProxy(port, serverEndpoint, novncEndpoint, novncWSPath) {
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const vncProxy = new ProxyServer(novncEndpoint, debugLog);
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const serverProxy = new ProxyServer(serverEndpoint, debugLog);
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const httpServer = http.createServer((request, response) => {
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if (request.url === '/' && request.method === 'GET') {
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response.writeHead(200, {
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'content-type': 'text/html',
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}).end(fs.readFileSync(path.join(__dirname, 'container_landing.html'), 'utf-8'));
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} else if ((request.url === '/screen' || request.url === '/screen/') && request.method === 'GET') {
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response.writeHead(307, {
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Location: `/screen/?resize=scale&autoconnect=1&path=${novncWSPath}`,
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}).end();
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} else if (request.url?.startsWith('/screen')) {
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request.url = request.url.substring('/screen'.length);
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vncProxy.web(request, response);
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} else {
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serverProxy.web(request, response);
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}
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});
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httpServer.on('error', error => debugLog(error));
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httpServer.on('upgrade', (request, socket, head) => {
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if (request.url === '/' + novncWSPath)
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vncProxy.ws(request, socket, head);
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else
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serverProxy.ws(request, socket, head);
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});
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httpServer.listen(port, () => {
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console.log('Playwright container listening on', port);
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});
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}
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