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overleaf/services/web/app/coffee/Features/Uploads/FileSystemImportManager.coffee
2017-06-08 15:55:17 +01:00

115 lines
5.3 KiB
CoffeeScript

async = require "async"
fs = require "fs"
_ = require "underscore"
FileTypeManager = require "./FileTypeManager"
EditorController = require "../Editor/EditorController"
ProjectLocator = require "../Project/ProjectLocator"
logger = require("logger-sharelatex")
module.exports = FileSystemImportManager =
addDoc: (user_id, project_id, folder_id, name, path, replace, callback = (error, doc)-> )->
FileSystemImportManager._isSafeOnFileSystem path, (err, isSafe)->
if !isSafe
logger.log user_id:user_id, project_id:project_id, folder_id:folder_id, name:name, path:path, "add doc is from symlink, stopping process"
return callback("path is symlink")
fs.readFile path, "utf8", (error, content = "") ->
return callback(error) if error?
content = content.replace(/\r/g, "")
lines = content.split("\n")
if replace
ProjectLocator.findElement project_id: project_id, element_id: folder_id, type: "folder", (error, folder) ->
return callback(error) if error?
return callback(new Error("Couldn't find folder")) if !folder?
existingDoc = null
for doc in folder.docs
if doc.name == name
existingDoc = doc
break
if existingDoc?
EditorController.setDoc project_id, existingDoc._id, user_id, lines, "upload", callback
else
EditorController.addDocWithoutLock project_id, folder_id, name, lines, "upload", callback
else
EditorController.addDocWithoutLock project_id, folder_id, name, lines, "upload", callback
addFile: (user_id, project_id, folder_id, name, path, replace, callback = (error, file)-> )->
FileSystemImportManager._isSafeOnFileSystem path, (err, isSafe)->
if !isSafe
logger.log user_id:user_id, project_id:project_id, folder_id:folder_id, name:name, path:path, "add file is from symlink, stopping insert"
return callback("path is symlink")
if !replace
EditorController.addFileWithoutLock project_id, folder_id, name, path, "upload", callback
else
ProjectLocator.findElement project_id: project_id, element_id: folder_id, type: "folder", (error, folder) ->
return callback(error) if error?
return callback(new Error("Couldn't find folder")) if !folder?
existingFile = null
for fileRef in folder.fileRefs
if fileRef.name == name
existingFile = fileRef
break
if existingFile?
EditorController.replaceFile project_id, existingFile._id, path, "upload", callback
else
EditorController.addFileWithoutLock project_id, folder_id, name, path, "upload", callback
addFolder: (user_id, project_id, folder_id, name, path, replace, callback = (error)-> ) ->
FileSystemImportManager._isSafeOnFileSystem path, (err, isSafe)->
if !isSafe
logger.log user_id:user_id, project_id:project_id, folder_id:folder_id, path:path, "add folder is from symlink, stopping insert"
return callback("path is symlink")
EditorController.addFolderWithoutLock project_id, folder_id, name, "upload", (error, new_folder) =>
return callback(error) if error?
FileSystemImportManager.addFolderContents user_id, project_id, new_folder._id, path, replace, (error) ->
return callback(error) if error?
callback null, new_folder
addFolderContents: (user_id, project_id, parent_folder_id, folderPath, replace, callback = (error)-> ) ->
FileSystemImportManager._isSafeOnFileSystem folderPath, (err, isSafe)->
if !isSafe
logger.log user_id:user_id, project_id:project_id, parent_folder_id:parent_folder_id, folderPath:folderPath, "add folder contents is from symlink, stopping insert"
return callback("path is symlink")
fs.readdir folderPath, (error, entries = []) =>
return callback(error) if error?
jobs = _.map entries, (entry) =>
(callback) =>
FileTypeManager.shouldIgnore entry, (error, ignore) =>
return callback(error) if error?
if !ignore
FileSystemImportManager.addEntity user_id, project_id, parent_folder_id, entry, "#{folderPath}/#{entry}", replace, callback
else
callback()
async.parallelLimit jobs, 5, callback
addEntity: (user_id, project_id, folder_id, name, path, replace, callback = (error, entity)-> ) ->
FileSystemImportManager._isSafeOnFileSystem path, (err, isSafe)->
if !isSafe
logger.log user_id:user_id, project_id:project_id, folder_id:folder_id, path:path, "add entry is from symlink, stopping insert"
return callback("path is symlink")
FileTypeManager.isDirectory path, (error, isDirectory) =>
return callback(error) if error?
if isDirectory
FileSystemImportManager.addFolder user_id, project_id, folder_id, name, path, replace, callback
else
FileTypeManager.isBinary name, path, (error, isBinary) =>
return callback(error) if error?
if isBinary
FileSystemImportManager.addFile user_id, project_id, folder_id, name, path, replace, (err, entity) ->
entity?.type = 'file'
callback(err, entity)
else
FileSystemImportManager.addDoc user_id, project_id, folder_id, name, path, replace, (err, entity) ->
entity?.type = 'doc'
callback(err, entity)
_isSafeOnFileSystem: (path, callback = (err, isSafe)->)->
fs.lstat path, (err, stat)->
if err?
logger.err err:err, "error with path symlink check"
return callback(err)
isSafe = stat.isFile() or stat.isDirectory()
callback(err, isSafe)