Select file {"url":"http:\/\/rnassess.cs.put.poznan.pl\/task\/upload","multi":false,"name":"target","required":true,"anon":false}
Download
{"form":"task","_id":"b7a108c853ffb43ccde70f3a70d0ad3a"}

{"url":"\/task:162655a2cf11ea6bf410e11f9db816d4\/progress"}