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31 lines
768 B
JavaScript
31 lines
768 B
JavaScript
'use strict';
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const LRU = require('lru-cache');
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const meta = require('../meta');
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const helpers = require('./helpers');
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const user = require('../user');
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const cache = new LRU({
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maxAge: meta.config.uploadRateLimitCooldown * 1000,
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});
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exports.clearCache = function () {
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cache.reset();
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};
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exports.ratelimit = helpers.try(async (req, res, next) => {
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const { uid } = req;
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if (!meta.config.uploadRateLimitThreshold || (uid && await user.isAdminOrGlobalMod(uid))) {
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return next();
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}
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const count = (cache.peek(`${req.ip}:uploaded_file_count`) || 0) + req.files.files.length;
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if (count > meta.config.uploadRateLimitThreshold) {
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return next(new Error(['[[error:upload-ratelimit-reached]]']));
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}
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cache.set(`${req.ip}:uploaded_file_count`, count);
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next();
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});
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