curl '...'
  -H 'User-Agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.76 Mobile Safari/537.36'
  -H 'Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryNXAVPG4vPIDQ65Yk'
  --data-binary $'------WebKitFormBoundaryNXAVPG4vPIDQ65YkrnContent-Disposition: form-data; name="test"rnrntestrn------WebKitFormBoundaryNXAVPG4vPIDQ65YkrnContent-Disposition: form-data; name="test1"rnrntest1rn------WebKitFormBoundaryNXAVPG4vPIDQ65YkrnContent-Disposition: form-data; name="test1"; filename="Capture du 2016-07-15 06:56:40.png"rnContent-Type: image/pngrnrnrn------WebKitFormBoundaryNXAVPG4vPIDQ65YkrnContent-Disposition: form-data; name="file"; filename="Capture du 2016-07-15 06:56:40.png"rnContent-Type: image/pngrnrnrn------WebKitFormBoundaryNXAVPG4vPIDQ65Yk--rn' --compressed