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ass/ass.js

104 lines
3.4 KiB

let doSetup = null;
try {
// Check if config.json exists
require('./config.json');
} catch (err) {
doSetup = require('./setup').doSetup;
}
// Run first time setup if using Docker (pseudo-process, setup will be run with docker exec)
if (doSetup) {
doSetup();
return;
}
// Load the config
const { host, port, useSsl, isProxied, s3enabled } = require('./config.json');
//#region Imports
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const fs = require('fs-extra');
const express = require('express');
const helmet = require('helmet');
const marked = require('marked');
const uploadRouter = require('./routers/upload');
const resourceRouter = require('./routers/resource');
const { path, log, getTrueHttp, getTrueDomain } = require('./utils');
const { CODE_NO_CONTENT, CODE_INTERNAL_SERVER_ERROR } = require('./MagicNumbers.json');
const { name: ASS_NAME, version: ASS_VERSION } = require('./package.json');
//#endregion
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// Welcome :D
log.blank().info(`* ${ASS_NAME} v${ASS_VERSION} *`).blank();
// Set up premium frontend
const FRONTEND_NAME = 'ass-x'; // <-- Change this to use a custom frontend
const ASS_PREMIUM = fs.existsSync(`./${FRONTEND_NAME}/package.json`) ? (require('submodule'), require(`./${FRONTEND_NAME}`)) : { enabled: false };
//#region Variables, module setup
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const app = express();
const ROUTERS = {
upload: uploadRouter,
resource: resourceRouter
};
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// Read users and data
const users = require('./auth');
const data = require('./data');
//#endregion
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// Enable/disable Express features
app.enable('case sensitive routing');
app.disable('x-powered-by');
// Set Express variables
app.set('trust proxy', isProxied);
app.set('view engine', 'pug');
// Express logger middleware
app.use(log.express(true));
// Helmet security middleware
app.use(helmet.noSniff());
app.use(helmet.ieNoOpen());
app.use(helmet.xssFilter());
app.use(helmet.referrerPolicy());
app.use(helmet.dnsPrefetchControl());
useSsl && app.use(helmet.hsts({ preload: true })); // skipcq: JS-0093
// Don't process favicon requests (custom middleware)
app.use((req, res, next) => (req.url.includes('favicon.ico') ? res.sendStatus(CODE_NO_CONTENT) : next()));
// Index can be overridden by a frontend
app.get('/', (req, res, next) =>
(ASS_PREMIUM.enabled && ASS_PREMIUM.index)
? ASS_PREMIUM.index(req, res, next)
: fs.readFile(path('README.md'))
.then((bytes) => bytes.toString())
.then(marked)
.then((d) => res.render('index', { data: d }))
.catch(next));
// Upload router
app.use('/', ROUTERS.upload);
// Attach frontend, if enabled
ASS_PREMIUM.enabled && app.use(ASS_PREMIUM.endpoint, ASS_PREMIUM.router); // skipcq: JS-0093
// '/:resouceId' always needs to be LAST since it's a catch-all route
app.use('/:resourceId', (req, _, next) => (req.resourceId = req.params.resourceId, next()), ROUTERS.resource); // skipcq: JS-0086, JS-0090
app.use((err, req, res, next) => {
console.error(err);
res.sendStatus(CODE_INTERNAL_SERVER_ERROR);
});
// Host the server
log
.info('Users', `${Object.keys(users).length}`)
.info('Files', `${data.size}`)
.info('StorageEngine', data.name, data.type)
.info('Frontend', ASS_PREMIUM.enabled ? ASS_PREMIUM.brand : 'disabled', `${ASS_PREMIUM.enabled ? `${getTrueHttp()}${getTrueDomain()}${ASS_PREMIUM.endpoint}` : ''}`)
.info('Index redirect', ASS_PREMIUM.enabled && ASS_PREMIUM.index ? `enable` : 'disabled')
.blank()
.express().Host(app, port, host, () => log.success('Ready for uploads', `Storing resources ${s3enabled ? 'in S3' : 'on disk'}`));