This commit is contained in:
William Young 2023-02-16 06:26:59 -06:00
commit 24b87d5ea2
6 changed files with 1385 additions and 0 deletions

11
.gitignore vendored Normal file
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node_modules/*
# misc
.DS_Store
.env.local
.env.development.local
.env.test.local
.env.production.local
npm-debug.log*
yarn-debug.log*
yarn-error.log*

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index.js Normal file
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import express from 'express';
import multer from 'multer';
import ws from 'ws';
import EventEmitter from 'events';
import cors from 'cors';
const upload = multer();
const app = express();
const port = process.env.PORT || 3000
const events = new EventEmitter();
app.use(cors());
app.get('/show-requests', ( _, res ) => {
res.send('<!DOCTYPE html><HTML><head><title>REQUEST VIEWER</title></head><body><script src="/static-assets/web.js"></script><noscript><h1>This tool requires JavaScript</h1><br /></noscript>Please use developer console to see mirrored requests</body></HTML>');
})
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(upload.array());
app.use('/static-assets', express.static('web-static'));
app.use( (req, res) => {
const data = {
body: req.body,
headers: req.headers,
ip: req.ip,
path: req.path,
protocol: req.protocol,
xhr: req.xhr,
subdomains: req.subdomains,
secure: req.secure,
ips: req.ips,
hostname: req.hostname,
method: req.method,
protocol: req.protocol,
params: req.params,
query: req.query,
route: req.route,
signedCookie: req.signedCookies,
cookies: req.cookies,
fresh: req.fresh,
stale: req.stale,
baseUrl: req.baseUrl,
originalUrl: req.originalUrl
}
events.emit('request', JSON.stringify(data));
console.log(JSON.stringify(data));
res.send("<!DOCTYPE html><html><body><a href=\"/show-requests\">Request Viewer</a><html>");
});
const wsServer = new ws.Server({ noServer: true });
wsServer.on('connection', socket => {
socket.on('message', message => {
if ( message === "PING" ) {
return socket.send("PONG");
}
if ( message === "TEST" ) {
return socket.send("TEST");
}
console.log(message);
});
const handler = (e) => socket.send(e);
events.on('request', handler);
socket.onclose = () => events.off('request', handler);
})
const server = app.listen(port, () => {
console.log(`LISTENING AT http://localhost:${port}`);
})
server.on('upgrade', (request, socket, head) => {
wsServer.handleUpgrade(request, socket, head, (socket) => {
wsServer.emit('connection', socket, request);
})
})

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applications:
- name: OpenFN Bank - Request Mirror Server
disk_quota: 1G
instances: 1
memory: 256M
routes:
- route: request-mirror-server.us-south.cf.appdomain.cloud

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package.json Normal file
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{
"engines": {
"node": "14.16.0"
},
"name": "reflector-server",
"version": "1.0.0",
"description": "",
"main": "index.js",
"type": "module",
"scripts": {
"start": "node .",
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "William Young (IBM)",
"license": "UNLICENSED",
"dependencies": {
"body-parser": "^1.19.0",
"cors": "^2.8.5",
"express": "^4.17.1",
"multer": "^1.4.2",
"ws": "^7.4.6"
}
}

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web-static/web.js Normal file
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// window.addEventListener('load', function () {
console.log("Page loaded... connecting to server...");
const webSocket = new WebSocket(`ws://${window.location.host}`);
var last_contact = Date.now();
setInterval( () => {
if (last_contact + 5000 < Date.now()) {
console.log("Connection to server hung...");
}
}, 3500 )
webSocket.onopen = (e) => {
webSocket.send("TEST");
}
webSocket.onclose = (e) => {
console.log("Disconnected from server");
}
webSocket.onerror = (e) => {
console.log("Connection ERROR");
console.log(e);
}
webSocket.onmessage = (e) => {
if( e.data === "PONG" ) { last_contact = Date.now(); return }
if( e.data === "TEST" ) { return console.log("Connected to server"); }
console.log(e.data);
console.log(JSON.parse(e.data));
}
window.setInterval( ()=>webSocket.send('PING'), 1000 );
// })