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commonMiddleware.js
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import basicAuth from 'express-basic-auth';
import bodyParser from 'body-parser';
import cookieParser from 'cookie-parser';
import cors from 'cors';
import historyFallback from 'connect-history-api-fallback-exclusions';
import helmet from 'helmet';
import jail from 'express-jail';
import sendError from '#middleware/sendError';
import reroute from '#middleware/reroute';
import urlLogger from 'express-log-url';
export let defaults = {
basicAuth: {
enabled: false,
options: {
realm: 'Private Site',
challenge: true,
users: {
// example: 'password',
},
},
},
bodyParserJson: {
enabled: true,
options: {},
},
bodyParserUrlEncoded: {
enabled: true,
options: {
limit: '16mb',
extended: false,
},
},
cors: {
enabled: true,
options: {},
},
cookieParser: {
enabled: true,
options: {},
},
helmet: {
enabled: true,
options: {
contentSecurityPolicy: false, // Handled elsewhere
crossOriginEmbedderPolicy: false, // Was blocking Google Maps address search "NotSameOriginAfterDefaultedToSameOriginByCoep"
referrerPolicy: false, // We actually DO want links from the source to show up downstream
frameguard: false, // Allow iframe embeds
...(!global.app?.config?.isProduction && {hsts: false}), // Disable HTTPS preference for local dev
},
},
historyFallback: {
enabled: false,
options: {
index: '/',
exclusions: (global.app?.config?.layout?.excludeBase || []).map(b =>
typeof b == 'string' && b.endsWith('*') ? new RegExp('^' + RegExp.escape(b.replace(/\*$/, '')), 'i')
: typeof b == 'string' ? new RegExp('^' + RegExp.escape(b.replace(/\*$/, '')) + '$', 'i')
: b instanceof RegExp ? b
: (()=> { throw new Error(`Unknown app.config.layout.excludeBase rule: "${b}"`) })()
),
logger: false, // STFU about "Not rewriting GET $REQUEST because the client prefers JSON"
},
},
jail: {
enabled: false,
logger: global.app?.log ? global.app.log.as('Jail') : console.warn,
options: {
},
},
reroute: {
enabled: true,
},
sendError: {
enabled: true,
},
urlLogger: {
enabled: true,
},
};
export function inject(router, options) {
// basic-auth {{{
if (options.basicAuth.enabled)
router.use(basicAuth(options.basicAuth.options));
// }}}
// helmet {{{
if (options.helmet.enabled) {
router.use(helmet(options.helmet.options));
}
// }}}
// jail {{{
if (options.jail.enabled) {
router.use(jail(options.jail.options)
.on('banned', ({ip}) => options.jail.logger('Banned', ip))
);
}
// }}}
// historyFallback {{{
if (options.historyFallback.enabled) {
router.use(historyFallback(options.historyFallback.options))
}
// }}}
// cors {{{
if (options.cors.enabled) {
router.use(cors(options.cors.options))
}
// }}}
// cookieParser {{{
if (options.cookieParser.enabled) {
router.use(cookieParser(options.cookieParser.options))
}
// }}}
// bodyParser (JSON) {{{
if (options.bodyParserJson.enabled) {
router.use(bodyParser.json(options.bodyParserJson.options));
}
// }}}
// bodyParser (URL-Encoded) {{{
if (options.bodyParserUrlEncoded.enabled) {
router.use(bodyParser.urlencoded(options.bodyParserUrlEncoded.options));
}
// }}}
// reroute {{{
if (options.reroute.enabled) {
router.use(reroute(options.reroute.options));
}
// }}}
// sendError {{{
if (options.sendError.enabled) {
router.use(sendError(options.sendError.options));
}
// }}}
// urlLogging {{{
if (options.urlLogger.enabled) {
router.use(urlLogger);
}
// }}}
}
export default {
defaults,
inject,
}