mirror of
https://github.com/overleaf/overleaf.git
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127 lines
4.2 KiB
CoffeeScript
127 lines
4.2 KiB
CoffeeScript
FileWriter = require('../../infrastructure/FileWriter')
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AuthorizationManager = require('../Authorization/AuthorizationManager')
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ProjectLocator = require('../Project/ProjectLocator')
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ProjectGetter = require('../Project/ProjectGetter')
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DocstoreManager = require('../Docstore/DocstoreManager')
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FileStoreHandler = require('../FileStore/FileStoreHandler')
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FileWriter = require('../../infrastructure/FileWriter')
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_ = require "underscore"
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Settings = require 'settings-sharelatex'
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AccessDeniedError = (message) ->
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error = new Error(message)
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error.name = 'AccessDenied'
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error.__proto__ = AccessDeniedError.prototype
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return error
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AccessDeniedError.prototype.__proto__ = Error.prototype
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BadEntityTypeError = (message) ->
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error = new Error(message)
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error.name = 'BadEntityType'
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error.__proto__ = BadEntityTypeError.prototype
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return error
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BadEntityTypeError.prototype.__proto__ = Error.prototype
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BadDataError = (message) ->
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error = new Error(message)
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error.name = 'BadData'
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error.__proto__ = BadDataError.prototype
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return error
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BadDataError.prototype.__proto__ = Error.prototype
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ProjectNotFoundError = (message) ->
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error = new Error(message)
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error.name = 'ProjectNotFound'
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error.__proto__ = ProjectNotFoundError.prototype
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return error
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ProjectNotFoundError.prototype.__proto__ = Error.prototype
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SourceFileNotFoundError = (message) ->
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error = new Error(message)
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error.name = 'BadData'
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error.__proto__ = SourceFileNotFoundError.prototype
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return error
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SourceFileNotFoundError.prototype.__proto__ = Error.prototype
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module.exports = ProjectFileAgent =
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sanitizeData: (data) ->
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return _.pick(
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data,
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'source_project_id',
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'source_entity_path'
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)
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_validate: (data) ->
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return (
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data.source_project_id? &&
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data.source_entity_path?
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)
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decorateLinkedFileData: (data, callback = (err, newData) ->) ->
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callback = _.once(callback)
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{ source_project_id } = data
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return callback(new BadDataError()) if !source_project_id?
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ProjectGetter.getProject source_project_id, (err, project) ->
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return callback(err) if err?
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return callback(new ProjectNotFoundError()) if !project?
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callback(err, _.extend(data, {source_project_display_name: project.name}))
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checkAuth: (project_id, data, current_user_id, callback = (error, allowed)->) ->
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callback = _.once(callback)
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if !ProjectFileAgent._validate(data)
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return callback(new BadDataError())
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{source_project_id, source_entity_path} = data
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AuthorizationManager.canUserReadProject current_user_id, source_project_id, null, (err, canRead) ->
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return callback(err) if err?
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callback(null, canRead)
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writeIncomingFileToDisk:
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(project_id, data, current_user_id, callback = (error, fsPath) ->) ->
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callback = _.once(callback)
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if !ProjectFileAgent._validate(data)
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return callback(new BadDataError())
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{source_project_id, source_entity_path} = data
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ProjectLocator.findElementByPath {
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project_id: source_project_id,
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path: source_entity_path
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}, (err, entity, type) ->
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if err?
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if err.toString().match(/^not found.*/)
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err = new SourceFileNotFoundError()
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return callback(err)
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ProjectFileAgent._writeEntityToDisk source_project_id, entity._id, type, callback
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_writeEntityToDisk: (project_id, entity_id, type, callback=(err, location)->) ->
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callback = _.once(callback)
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if type == 'doc'
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DocstoreManager.getDoc project_id, entity_id, (err, lines) ->
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return callback(err) if err?
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FileWriter.writeLinesToDisk entity_id, lines, callback
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else if type == 'file'
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FileStoreHandler.getFileStream project_id, entity_id, null, (err, fileStream) ->
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return callback(err) if err?
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FileWriter.writeStreamToDisk entity_id, fileStream, callback
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else
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callback(new BadEntityTypeError())
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handleError: (error, req, res, next) ->
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if error instanceof AccessDeniedError
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res.status(403).send("You do not have access to this project")
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else if error instanceof BadDataError
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res.status(400).send("The submitted data is not valid")
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else if error instanceof BadEntityTypeError
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res.status(400).send("The file is the wrong type")
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else if error instanceof SourceFileNotFoundError
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res.status(404).send("Source file not found")
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else if error instanceof ProjectNotFoundError
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res.status(404).send("Project not found")
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else
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next(error)
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next()
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