mirror of
https://github.com/danny-avila/LibreChat.git
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01b012a8fa
* 🔧 Overhauled caching feature:
- Refactored caching logic.
- Fixed redis prefix, namespace, tls, ttl, and cluster.
- Added REDIS_KEY_PREFIX_VAR
* # refactor: Rename redisCache to standardCache
* # Add Redis pinging mechanism to maintain connection.
* # docs: Add warning about Keyv Redis client prefix support
32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
const uap = require('ua-parser-js');
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const { ViolationTypes } = require('librechat-data-provider');
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const { handleError } = require('@librechat/api');
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const { logViolation } = require('../../cache');
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/**
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* Middleware to parse User-Agent header and check if it's from a recognized browser.
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* If the User-Agent is not recognized as a browser, logs a violation and sends an error response.
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*
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* @function
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* @async
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* @param {Object} req - Express request object.
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* @param {Object} res - Express response object.
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* @param {Function} next - Express next middleware function.
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* @returns {void} Sends an error response if the User-Agent is not recognized as a browser.
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*
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* @example
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* app.use(uaParser);
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*/
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async function uaParser(req, res, next) {
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const { NON_BROWSER_VIOLATION_SCORE: score = 20 } = process.env;
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const ua = uap(req.headers['user-agent']);
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if (!ua.browser.name) {
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const type = ViolationTypes.NON_BROWSER;
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await logViolation(req, res, type, { type }, score);
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return handleError(res, { message: 'Illegal request' });
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}
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next();
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}
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module.exports = uaParser;
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