overleaf/services/web/app/coffee/Features/LinkedFiles/ProjectOutputFileAgent.coffee
2018-06-22 13:09:18 +01:00

86 lines
3.2 KiB
CoffeeScript

FileWriter = require('../../infrastructure/FileWriter')
AuthorizationManager = require('../Authorization/AuthorizationManager')
ProjectGetter = require('../Project/ProjectGetter')
FileWriter = require('../../infrastructure/FileWriter')
Settings = require 'settings-sharelatex'
CompileManager = require '../Compile/CompileManager'
ClsiCookieManager = require '../Compile/ClsiCookieManager'
ClsiManager = require '../Compile/ClsiManager'
ProjectFileAgent = require './ProjectFileAgent'
_ = require "underscore"
request = require "request"
OutputFileFetchFailedError = (message) ->
error = new Error(message)
error.name = 'OutputFileFetchFailedError'
error.__proto__ = OutputFileFetchFailedError.prototype
return error
OutputFileFetchFailedError.prototype.__proto__ = Error.prototype
module.exports = ProjectOutputFileAgent = {
sanitizeData: (data) ->
return {
source_project_id: data.source_project_id,
source_output_file_path: data.source_output_file_path
}
canCreate: ProjectFileAgent.canCreate
_getSourceProject: ProjectFileAgent._getSourceProject
decorateLinkedFileData: ProjectFileAgent.decorateLinkedFileData
_validate: (data) ->
return (
(data.source_project_id? || data.v1_source_doc_id?) &&
data.source_output_file_path?
)
checkAuth: (project_id, data, current_user_id, callback = (error, allowed)->) ->
callback = _.once(callback)
if !ProjectOutputFileAgent._validate(data)
return callback(new BadDataError())
@_getSourceProject data, (err, project) ->
return callback(err) if err?
AuthorizationManager.canUserReadProject current_user_id, project._id, null, (err, canRead) ->
return callback(err) if err?
callback(null, canRead)
writeIncomingFileToDisk: (project_id, data, current_user_id, callback = (error, fsPath) ->) ->
callback = _.once(callback)
if !ProjectOutputFileAgent._validate(data)
return callback(new BadDataError())
{ source_output_file_path } = data
@_getSourceProject data, (err, project) ->
return callback(err) if err?
source_project_id = project._id
CompileManager.compile source_project_id, null, {}, (err) ->
return callback(err) if err?
ClsiManager.getOutputFileStream source_project_id, source_output_file_path, (err, readStream) ->
return callback(err) if err?
readStream.pause()
readStream.on "error", callback
readStream.on "response", (response) ->
if 200 <= response.statusCode < 300
readStream.resume()
FileWriter.writeStreamToDisk project_id, readStream, callback
else
error = new OutputFileFetchFailedError("Output file fetch failed: #{url}")
error.statusCode = response.statusCode
callback(error)
handleError: (error, req, res, next) ->
if error instanceof ProjectFileAgent.BadDataError
res.status(400).send("The submitted data is not valid")
else if error instanceof OutputFileFetchFailedError
res.status(404).send("Could not get output file")
else if error instanceof ProjectFileAgent.ProjectNotFoundError
res.status(404).send("Project not found")
else if error instanceof ProjectFileAgent.V1ProjectNotFoundError
res.status(409).send(ProjectFileAgent._v1ProjectNotFoundMessage)
else
next(error)
}