Select file {"url":"http:\/\/rnassess.cs.put.poznan.pl\/task\/upload","multi":false,"name":"target","required":true,"anon":false}
Download
{"form":"task","_id":"6786ac21273d97cd7c5d3644b2c60906"}

{"url":"\/task:966d9cc14a08065ad2f4c0b23f580325\/progress"}