overleaf/services/filestore/app/js/BucketController.js

/* eslint-disable
    no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
let BucketController
const settings = require('settings-sharelatex')
const logger = require('logger-sharelatex')
const FileHandler = require('./FileHandler')
const metrics = require('metrics-sharelatex')
const Errors = require('./Errors')

module.exports = BucketController = {
  getFile(req, res) {
    const { bucket } = req.params
    const key = req.params[0]
    const credentials =
      settings.filestore.s3BucketCreds != null
        ? settings.filestore.s3BucketCreds[bucket]
        : undefined
    const options = {
      key,
      bucket,
      credentials
    }
    metrics.inc(`${bucket}.getFile`)
    logger.log({ key, bucket }, 'receiving request to get file from bucket')
    return FileHandler.getFile(bucket, key, options, function(err, fileStream) {
      if (err != null) {
        logger.err({ err, key, bucket }, 'problem getting file from bucket')
        if (err instanceof Errors.NotFoundError) {
          return res.send(404)
        } else {
          return res.send(500)
        }
      } else {
        logger.log({ key, bucket }, 'sending bucket file to response')
        return fileStream.pipe(res)
      }
    })
  }
}