mirror of
https://github.com/netbymatt/ws4kp.git
synced 2026-04-14 07:39:29 -07:00
102 lines
3.0 KiB
JavaScript
102 lines
3.0 KiB
JavaScript
import 'dotenv/config';
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import express from 'express';
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import fs from 'fs';
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import playlist from './src/playlist.mjs';
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import OVERRIDES from './src/overrides.mjs';
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const app = express();
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const port = process.env.WS4KP_PORT ?? 8080;
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// template engine
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app.set('view engine', 'ejs');
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// version
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const { version } = JSON.parse(fs.readFileSync('package.json'));
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// read and parse environment variables to append to the query string
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// use the permalink (share) button on the web app to generate a starting point for your configuration
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// then take each key/value in the querystring and append WSQS_ to the beginning, and then replace any
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// hyphens with underscores in the key name
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// environment variables are read from the command line and .env file via the dotenv package
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const qsVars = {};
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Object.entries(process.env).forEach(([key, value]) => {
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// test for key matching pattern described above
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if (key.match(/^WSQS_[A-Za-z0-9_]+$/)) {
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// convert the key to a querystring formatted key
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const formattedKey = key.replace(/^WSQS_/, '').replaceAll('_', '-');
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qsVars[formattedKey] = value;
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}
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});
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// single flag to determine if environment variables are present
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const hasQsVars = Object.entries(qsVars).length > 0;
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// turn the environment query string into search params
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const defaultSearchParams = (new URLSearchParams(qsVars)).toString();
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const index = (req, res) => {
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// test for no query string in request and if environment query string values were provided
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if (hasQsVars && Object.keys(req.query).length === 0) {
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// redirect the user to the query-string appended url
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const url = new URL(`${req.protocol}://${req.host}${req.url}`);
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url.search = defaultSearchParams;
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res.redirect(307, url.toString());
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return;
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}
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// return the standard page
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res.render('index', {
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production: false,
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version,
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OVERRIDES,
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});
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};
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const geoip = (req, res) => {
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res.set({
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'x-geoip-city': 'Orlando',
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'x-geoip-country': 'US',
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'x-geoip-country-name': 'United States',
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'x-geoip-country-region': 'FL',
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'x-geoip-country-region-name': 'Florida',
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'x-geoip-latitude': '28.52135',
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'x-geoip-longitude': '-81.41079',
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'x-geoip-postal-code': '32789',
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'x-geoip-time-zone': 'America/New_York',
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'content-type': 'application/json',
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});
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res.json({});
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};
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// debugging
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if (process.env?.DIST === '1') {
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// distribution
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app.use('/scripts', express.static('./server/scripts'));
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app.use('/geoip', geoip);
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app.use('/', express.static('./dist'));
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} else {
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// debugging
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app.get('/index.html', index);
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app.use('/geoip', geoip);
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app.use('/resources', express.static('./server/scripts/modules'));
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app.get('/', index);
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app.get('*name', express.static('./server'));
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// cors pass-thru to api.weather.gov
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app.get('/playlist.json', playlist);
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}
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const server = app.listen(port, () => {
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console.log(`Server listening on port ${port}`);
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});
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// graceful shutdown
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const gracefulShutdown = () => {
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server.close(() => {
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console.log('Server closed');
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});
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};
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process.on('SIGINT', gracefulShutdown);
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process.on('SIGTERM', gracefulShutdown);
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