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- 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
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