6fae6ff40c
try and continue, log the error but you might still be able to compile. prevents issue with badly uploaded images in filstore
67 lines
2.3 KiB
CoffeeScript
67 lines
2.3 KiB
CoffeeScript
UrlCache = require "./UrlCache"
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Path = require "path"
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fs = require "fs"
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async = require "async"
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mkdirp = require "mkdirp"
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OutputFileFinder = require "./OutputFileFinder"
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Metrics = require "./Metrics"
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logger = require "logger-sharelatex"
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module.exports = ResourceWriter =
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syncResourcesToDisk: (project_id, resources, basePath, callback = (error) ->) ->
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@_removeExtraneousFiles resources, basePath, (error) =>
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return callback(error) if error?
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jobs = for resource in resources
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do (resource) =>
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(callback) => @_writeResourceToDisk(project_id, resource, basePath, callback)
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async.series jobs, callback
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_removeExtraneousFiles: (resources, basePath, _callback = (error) ->) ->
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timer = new Metrics.Timer("unlink-output-files")
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callback = (error) ->
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timer.done()
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_callback(error)
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OutputFileFinder.findOutputFiles resources, basePath, (error, outputFiles) ->
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return callback(error) if error?
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jobs = []
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for file in outputFiles or []
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do (file) ->
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path = file.path
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should_delete = true
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if path.match(/^output\./) or path.match(/\.aux$/)
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should_delete = false
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if path == "output.pdf" or path == "output.dvi" or path == "output.log"
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should_delete = true
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if should_delete
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jobs.push (callback) -> ResourceWriter._deleteFileIfNotDirectory Path.join(basePath, path), callback
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async.series jobs, callback
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_deleteFileIfNotDirectory: (path, callback = (error) ->) ->
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fs.stat path, (error, stat) ->
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return callback(error) if error?
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if stat.isFile()
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fs.unlink path, callback
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else
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callback()
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_writeResourceToDisk: (project_id, resource, basePath, callback = (error) ->) ->
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path = Path.normalize(Path.join(basePath, resource.path))
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if (path.slice(0, basePath.length) != basePath)
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return callback new Error("resource path is outside root directory")
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mkdirp Path.dirname(path), (error) ->
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return callback(error) if error?
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# TODO: Don't overwrite file if it hasn't been modified
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if resource.url?
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UrlCache.downloadUrlToFile project_id, resource.url, path, resource.modified, (err)->
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if err?
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logger.err err:err, "error downloading file for resources"
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callback() #try and continue compiling even if http resource can not be downloaded at this time
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else
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fs.writeFile path, resource.content, callback
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