X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmiddlewares%2Fcache.ts;h=0708ee8e8cc3b353421aa8acd6528b15ea4e1f19;hb=c756bae079e02873f6433582ca14a092fec0db27;hp=e83d8d569bb3d107af0aec0ee41090a5d0d10d66;hpb=8f0bc73d7d5f4c88cbc5588a0ece12b3855c8f98;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/middlewares/cache.ts b/server/middlewares/cache.ts index e83d8d569..0708ee8e8 100644 --- a/server/middlewares/cache.ts +++ b/server/middlewares/cache.ts @@ -1,72 +1,26 @@ -import * as express from 'express' -import * as AsyncLock from 'async-lock' -import { parseDurationToMs } from '../helpers/core-utils' import { Redis } from '../lib/redis' -import { logger } from '../helpers/logger' - -const lock = new AsyncLock({ timeout: 5000 }) - -function cacheRoute (lifetimeArg: string | number) { - return async function (req: express.Request, res: express.Response, next: express.NextFunction) { - const redisKey = Redis.Instance.generateCachedRouteKey(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) - const redirectSave = res.redirect.bind(res) - - res.send = (body) => { - if (res.statusCode >= 200 && res.statusCode < 400) { - const contentType = res.get('content-type') - const lifetime = parseDurationToMs(lifetimeArg) - - Redis.Instance.setCachedRoute(req, body, lifetime, contentType, res.statusCode) - .then(() => done()) - .catch(err => { - logger.error('Cannot cache route.', { err }) - return done(err) - }) - } else { - done() - } - - return sendSave(body) - } - - res.redirect = url => { - done() - - return redirectSave(url) - } - - 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() - } +import * as apicache from 'apicache' +import { HttpStatusCode } from '../../shared/core-utils/miscs/http-error-codes' + +// Ensure Redis is initialized +Redis.Instance.init() + +const defaultOptions = { + redisClient: Redis.Instance.getClient(), + appendKey: () => Redis.Instance.getPrefix(), + statusCodes: { + exclude: [ + HttpStatusCode.FORBIDDEN_403, + HttpStatusCode.NOT_FOUND_404 + ] } } +const cacheRoute = (extraOptions = {}) => apicache.options({ + ...defaultOptions, + ...extraOptions +}).middleware + // --------------------------------------------------------------------------- export {