Test a file-based indicator analyzing

[ilyaglow]

Links:

• https://medium.com/dtoebe/how-to-get-a-multipart-file-size-in-golang-3ab4ab4c3e3?source=linkShare-15c4ba80504f-1515336961

• http://depado.markdownblog.com/2016-01-09-buffer-less-multipart-post-in-golang

[ilyaglow]

Okay, so it seems there is no way to analyze file-based indicators by now due to a completely different request format. Massive refactor is coming.