X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmiddlewares%2Fcache.ts;h=cb24d9e0e51698eb317b1c8cdfb9d9c7da38b700;hb=26469f9ed85f5e7d67ccecaa820f33e37179b76a;hp=c671b88c954f74fbb06ca9f255e9da5b03d3e28d;hpb=98d3324db3b1c345fc30e5dbcef3b1e11169867e;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/middlewares/cache.ts b/server/middlewares/cache.ts index c671b88c9..cb24d9e0e 100644 --- a/server/middlewares/cache.ts +++ b/server/middlewares/cache.ts @@ -1,63 +1,22 @@ -import * as express from 'express' -import * as AsyncLock from 'async-lock' -import { parseDuration } from '../helpers/utils' import { Redis } from '../lib/redis' -import { logger } from '../helpers/logger' +import * as apicache from 'apicache' -const lock = new AsyncLock({ timeout: 5000 }) +// Ensure Redis is initialized +Redis.Instance.init() -function cacheRoute (lifetimeArg: string | number) { - return async function (req: express.Request, res: express.Response, next: express.NextFunction) { - const redisKey = Redis.Instance.buildCachedRouteKey(req) - - try { - await lock.acquire(redisKey, async (done) => { - const cached = await Redis.Instance.getCachedRoute(req) - - // Not cached - if (!cached) { - logger.debug('No cached results for route %s.', req.originalUrl) - - const sendSave = res.send.bind(res) - - res.send = (body) => { - if (res.statusCode >= 200 && res.statusCode < 400) { - const contentType = res.get('content-type') - const lifetime = parseDuration(lifetimeArg) - - Redis.Instance.setCachedRoute(req, body, lifetime, contentType, res.statusCode) - .then(() => done()) - .catch(err => { - logger.error('Cannot cache route.', { err }) - return done(err) - }) - } - - return sendSave(body) - } - - return next() - } - - if (cached.contentType) res.set('content-type', cached.contentType) - - if (cached.statusCode) { - const statusCode = parseInt(cached.statusCode, 10) - if (!isNaN(statusCode)) res.status(statusCode) - } - - logger.debug('Use cached result for %s.', req.originalUrl) - res.send(cached.body).end() - - return done() - }) - } catch (err) { - logger.error('Cannot serve cached route.', err) - return next() - } +const defaultOptions = { + redisClient: Redis.Instance.getClient(), + appendKey: () => Redis.Instance.getPrefix(), + statusCodes: { + exclude: [ 404, 403 ] } } +const cacheRoute = (extraOptions = {}) => apicache.options({ + ...defaultOptions, + ...extraOptions +}).middleware + // --------------------------------------------------------------------------- export {