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25 lines
743 B
JavaScript
25 lines
743 B
JavaScript
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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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