mirror of
https://github.com/overleaf/overleaf.git
synced 2024-10-31 21:21:03 -04:00
39 lines
1.7 KiB
CoffeeScript
39 lines
1.7 KiB
CoffeeScript
logger = require('logger-sharelatex')
|
|
FileStoreHandler = require("./FileStoreHandler")
|
|
ProjectLocator = require("../Project/ProjectLocator")
|
|
_ = require('underscore')
|
|
|
|
is_mobile_safari = (user_agent) ->
|
|
user_agent and (user_agent.indexOf('iPhone') >= 0 or
|
|
user_agent.indexOf('iPad') >= 0)
|
|
|
|
is_html = (file) ->
|
|
ends_with = (ext) ->
|
|
file.name? and
|
|
file.name.length > ext.length and
|
|
(file.name.lastIndexOf(ext) == file.name.length - ext.length)
|
|
|
|
ends_with('.html') or ends_with('.htm') or ends_with('.xhtml')
|
|
|
|
module.exports =
|
|
|
|
getFile : (req, res)->
|
|
project_id = req.params.Project_id
|
|
file_id = req.params.File_id
|
|
queryString = req.query
|
|
user_agent = req.get('User-Agent')
|
|
logger.log project_id: project_id, file_id: file_id, queryString:queryString, "file download"
|
|
ProjectLocator.findElement {project_id: project_id, element_id: file_id, type: "file"}, (err, file)->
|
|
if err?
|
|
logger.err err:err, project_id: project_id, file_id: file_id, queryString:queryString, "error finding element for downloading file"
|
|
return res.sendStatus 500
|
|
FileStoreHandler.getFileStream project_id, file_id, queryString, (err, stream)->
|
|
if err?
|
|
logger.err err:err, project_id: project_id, file_id: file_id, queryString:queryString, "error getting file stream for downloading file"
|
|
return res.sendStatus 500
|
|
# mobile safari will try to render html files, prevent this
|
|
if (is_mobile_safari(user_agent) and is_html(file))
|
|
logger.log filename: file.name, user_agent: user_agent, "sending html file to mobile-safari as plain text"
|
|
res.setHeader('Content-Type', 'text/plain')
|
|
res.setContentDisposition('attachment', {filename: file.name})
|
|
stream.pipe res
|