mirror of
https://github.com/overleaf/overleaf.git
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105 lines
4.4 KiB
CoffeeScript
105 lines
4.4 KiB
CoffeeScript
logger = require("logger-sharelatex")
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fs = require("fs")
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LocalFileWriter = require("./LocalFileWriter")
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Errors = require('./Errors')
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rimraf = require("rimraf")
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_ = require "underscore"
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filterName = (key) ->
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return key.replace /\//g, "_"
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module.exports =
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sendFile: ( location, target, source, callback = (err)->) ->
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filteredTarget = filterName target
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logger.log location:location, target:filteredTarget, source:source, "sending file"
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fs.rename source, "#{location}/#{filteredTarget}", (err) ->
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if err!=null
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logger.err err:err, location:location, target:filteredTarget, source:source, "Error on put of file"
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callback err
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sendStream: ( location, target, sourceStream, callback = (err)->) ->
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logger.log location:location, target:target, "sending file stream"
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sourceStream.on "error", (err)->
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logger.err location:location, target:target, err:err "error on stream to send"
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LocalFileWriter.writeStream sourceStream, null, (err, fsPath)=>
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if err?
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logger.err location:location, target:target, fsPath:fsPath, err:err, "something went wrong writing stream to disk"
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return callback err
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@sendFile location, target, fsPath, callback
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# opts may be {start: Number, end: Number}
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getFileStream: (location, name, opts, _callback = (err, res)->) ->
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callback = _.once _callback
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filteredName = filterName name
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logger.log location:location, name:filteredName, "getting file"
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sourceStream = fs.createReadStream "#{location}/#{filteredName}", opts
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sourceStream.on 'error', (err) ->
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logger.err err:err, location:location, name:name, "Error reading from file"
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if err.code == 'ENOENT'
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callback new Errors.NotFoundError(err.message), null
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else
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callback err, null
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sourceStream.on 'readable', () ->
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# This can be called multiple times, but the callback wrapper
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# ensures the callback is only called once
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callback null, sourceStream
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copyFile: (location, fromName, toName, callback = (err)->)->
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filteredFromName=filterName fromName
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filteredToName=filterName toName
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logger.log location:location, fromName:filteredFromName, toName:filteredToName, "copying file"
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sourceStream = fs.createReadStream "#{location}/#{filteredFromName}"
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sourceStream.on 'error', (err) ->
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logger.err err:err, location:location, key:filteredFromName, "Error reading from file"
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callback err
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targetStream = fs.createWriteStream "#{location}/#{filteredToName}"
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targetStream.on 'error', (err) ->
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logger.err err:err, location:location, key:filteredToName, "Error writing to file"
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callback err
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targetStream.on 'finish', () ->
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callback null
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sourceStream.pipe targetStream
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deleteFile: (location, name, callback)->
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filteredName = filterName name
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logger.log location:location, name:filteredName, "delete file"
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fs.unlink "#{location}/#{filteredName}", (err) ->
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if err?
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logger.err err:err, location:location, name:filteredName, "Error on delete."
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callback err
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else
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callback()
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deleteDirectory: (location, name, callback = (err)->)->
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filteredName = filterName name.replace(/\/$/,'')
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rimraf "#{location}/#{filteredName}", (err) ->
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if err?
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logger.err err:err, location:location, name:filteredName, "Error on rimraf rmdir."
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callback err
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else
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callback()
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checkIfFileExists:(location, name, callback = (err,exists)->)->
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filteredName = filterName name
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logger.log location:location, name:filteredName, "checking if file exists"
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fs.exists "#{location}/#{filteredName}", (exists) ->
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logger.log location:location, name:filteredName, exists:exists, "checked if file exists"
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callback null, exists
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directorySize:(location, name, callback)->
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filteredName = filterName name.replace(/\/$/,'')
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logger.log location:location, name:filteredName, "get project size in file system"
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fs.readdir "#{location}/#{filteredName}", (err, files) ->
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if err?
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logger.err err:err, location:location, name:filteredName, "something went wrong listing prefix in aws"
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return callback(err)
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totalSize = 0
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_.each files, (entry)->
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fd = fs.openSync "#{location}/#{filteredName}/#{entry}", 'r'
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fileStats = fs.fstatSync(fd)
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totalSize += fileStats.size
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fs.closeSync fd
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logger.log totalSize:totalSize, "total size", files:files
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callback null, totalSize
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