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