X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmiddlewares%2Fcache.ts;h=1b44957d3004ac8106ea30df3620d5150e35eb53;hb=40256645ffd269838cbe5aa19e8a9f283d4ab817;hp=1e5a13b2e0394952409d71e6db8acb23cdf3a5ac;hpb=3f6d68d9671ddb7ba1c4f3a35021b84856dafb6a;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/middlewares/cache.ts b/server/middlewares/cache.ts index 1e5a13b2e..1b44957d3 100644 --- a/server/middlewares/cache.ts +++ b/server/middlewares/cache.ts @@ -1,64 +1,67 @@ import * as express from 'express' import * as AsyncLock from 'async-lock' -import { parseDuration } from '../helpers/utils' +import { parseDuration } from '../helpers/core-utils' import { Redis } from '../lib/redis' import { logger } from '../helpers/logger' const lock = new AsyncLock({ timeout: 5000 }) -function cacheRoute (lifetime: number) { +function cacheRoute (lifetimeArg: string | number) { return async function (req: express.Request, res: express.Response, next: express.NextFunction) { const redisKey = Redis.Instance.buildCachedRouteKey(req) - await lock.acquire(redisKey, async (done) => { - const cached = await Redis.Instance.getCachedRoute(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) + // Not cached + if (!cached) { + logger.debug('No cached results for route %s.', req.originalUrl) - const sendSave = res.send.bind(res) + const sendSave = res.send.bind(res) - res.send = (body) => { - if (res.statusCode >= 200 && res.statusCode < 400) { - const contentType = res.get('content-type') - Redis.Instance.setCachedRoute(req, body, lifetime, contentType, res.statusCode) - .then(() => done()) - .catch(err => { - logger.error('Cannot cache route.', { err }) - return done(err) - }) + 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) + }) + } else { + done() + } + + return sendSave(body) } - return sendSave(body) + return next() } - return next() - } - - if (cached.contentType) res.set('content-type', cached.contentType) + if (cached.contentType) res.set('content-type', cached.contentType) - if (cached.statusCode) { - const statusCode = parseInt(cached.statusCode, 10) - if (!isNaN(statusCode)) res.status(statusCode) - } + 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() + logger.debug('Use cached result for %s.', req.originalUrl) + res.send(cached.body).end() - return done() - }) + return done() + }) + } catch (err) { + logger.error('Cannot serve cached route.', { err }) + return next() + } } } -const cache = (duration: number | string) => { - const _lifetime = parseDuration(duration, 3600000) - return cacheRoute(_lifetime) -} - // --------------------------------------------------------------------------- export { - cacheRoute, - cache + cacheRoute }