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Defer rate limiter creation to a hook call

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This makes it possible to change the rate limiter settings via
`/admin/settings` or by modifying the appropriate settings object and
reinvoking the hook.
This commit is contained in:
Richard Hansen 2021-02-16 20:53:42 -05:00
parent d7ed71eba0
commit 00d45e3229
3 changed files with 18 additions and 13 deletions
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16
src/node/hooks/express/importexport.js
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@ -10,15 +10,15 @@ const rateLimit = require('express-rate-limit');
const securityManager = require('../../db/SecurityManager');
const webaccess = require('./webaccess');
settings.importExportRateLimiting.onLimitReached = (req, res, options) => {
// when the rate limiter triggers, write a warning in the logs
console.warn('Import/Export rate limiter triggered on ' +
`"${req.originalUrl}" for IP address ${req.ip}`);
};
const limiter = rateLimit(settings.importExportRateLimiting);
exports.expressCreateServer = (hookName, args, cb) => {
settings.importExportRateLimiting.onLimitReached = (req, res, options) => {
// when the rate limiter triggers, write a warning in the logs
console.warn('Import/Export rate limiter triggered on ' +
`"${req.originalUrl}" for IP address ${req.ip}`);
};
// The rate limiter is created in this hook so that restarting the server resets the limiter.
const limiter = rateLimit(settings.importExportRateLimiting);
// handle export requests
args.app.use('/p/:pad/:rev?/export/:type', limiter);
args.app.get('/p/:pad/:rev?/export/:type', (req, res, next) => {