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b456ea726d
* wip generate directory for hash content * cleanup, remove console logging * add content caching module * Return PDF stream ranges with compile response * Return the PDF file size in the compile response * PDF range endpoint * [misc] WIP: pdf caching: preserve the m-time on static content files * [misc] WIP: pdf caching: improve browser caching, emit caching headers * [misc] WIP: pdf caching: do not emit very small chunks <1kB * [misc] keep up with moving output files into a separate directory * [OutputCacheManager] add global feature flag for enabling pdf caching * [misc] add contentId into the URL for protecting PDF stream contents * [misc] support PDF stream caching for anonymous users * [misc] add per-request feature flag for enabling PDF stream caching * [misc] enable pdf caching in CI and emit metrics at the end of run * [misc] expose compile stats and timings to the frontend * [misc] log an error in case saving output files fails * [misc] add metrics for pdf bandwidth and pdf caching performance * [misc] add a dark mode to the pdf caching for computing ranges only * [misc] move pdf caching metrics into ContentCacheMetrics * [misc] add a config option for the min chunk size of pdf ranges Co-authored-by: Brian Gough <brian.gough@overleaf.com> Co-authored-by: Eric Mc Sween <eric.mcsween@overleaf.com>
24 lines
743 B
JavaScript
24 lines
743 B
JavaScript
const Path = require('path')
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const send = require('send')
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const Settings = require('settings-sharelatex')
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const OutputCacheManager = require('./OutputCacheManager')
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const ONE_DAY_S = 24 * 60 * 60
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const ONE_DAY_MS = ONE_DAY_S * 1000
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function getPdfRange(req, res, next) {
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const { projectId, userId, contentId, hash } = req.params
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const perUserDir = userId ? `${projectId}-${userId}` : projectId
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const path = Path.join(
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Settings.path.outputDir,
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perUserDir,
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OutputCacheManager.CONTENT_SUBDIR,
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contentId,
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hash
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)
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res.setHeader('cache-control', `public, max-age=${ONE_DAY_S}`)
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res.setHeader('expires', new Date(Date.now() + ONE_DAY_MS).toUTCString())
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send(req, path).pipe(res)
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}
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module.exports = { getPdfRange }
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