mirror of
https://github.com/overleaf/overleaf.git
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77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
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/* eslint-disable
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camelcase,
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max-len,
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no-unused-vars,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* DS207: Consider shorter variations of null checks
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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const logger = require('logger-sharelatex')
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const FileStoreHandler = require('./FileStoreHandler')
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const ProjectLocator = require('../Project/ProjectLocator')
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const _ = require('underscore')
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const is_mobile_safari = user_agent =>
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user_agent &&
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(user_agent.indexOf('iPhone') >= 0 || user_agent.indexOf('iPad') >= 0)
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const is_html = function(file) {
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const ends_with = ext =>
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file.name != null &&
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file.name.length > ext.length &&
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file.name.lastIndexOf(ext) === file.name.length - ext.length
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return ends_with('.html') || ends_with('.htm') || ends_with('.xhtml')
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}
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module.exports = {
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getFile(req, res) {
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const project_id = req.params.Project_id
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const file_id = req.params.File_id
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const queryString = req.query
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const user_agent = req.get('User-Agent')
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logger.log({ project_id, file_id, queryString }, 'file download')
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return ProjectLocator.findElement(
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{ project_id, element_id: file_id, type: 'file' },
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function(err, file) {
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if (err != null) {
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logger.err(
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{ err, project_id, file_id, queryString },
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'error finding element for downloading file'
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)
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return res.sendStatus(500)
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}
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return FileStoreHandler.getFileStream(
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project_id,
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file_id,
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queryString,
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function(err, stream) {
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if (err != null) {
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logger.err(
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{ err, project_id, file_id, queryString },
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'error getting file stream for downloading file'
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)
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return res.sendStatus(500)
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}
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// mobile safari will try to render html files, prevent this
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if (is_mobile_safari(user_agent) && is_html(file)) {
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logger.log(
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{ filename: file.name, user_agent },
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'sending html file to mobile-safari as plain text'
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)
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res.setHeader('Content-Type', 'text/plain')
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}
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res.setContentDisposition('attachment', { filename: file.name })
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return stream.pipe(res)
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}
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)
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}
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)
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}
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}
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