local function mpupload(file, contentType)
  contentType = contentType or "application/octet-stream"
  local url = "https://tmpfiles.org/api/v1/upload"
  local mpBoundary = "----MyVeryAwesomeBoundary"..math.random(1,1e9)

  local h = assert(fs.open(file, "r"), "Unable to open file "..file)
  local d = h.readAll()
  h.close()

  local headers = {
    ["Content-Type"] = "multipart/form-data; boundary=" .. mpBoundary,
  }

  local body =
    "--" .. mpBoundary .. "\r\n" ..
    "Content-Disposition: form-data; name=\"file\"; filename=\""..fs.getName(file).."\"\r\n" ..
    "Content-Type: "..contentType.."\r\n" ..
    "\r\n" ..
    d .. "\r\n" ..
    "--" .. mpBoundary .. "--\r\n"

  local res = assert(http.post(url, body, headers, true), "Request failed")

  local d = res.readAll()
  print(d)
end

local args = {...}
local filename = shell.resolve(assert(args[1], "path to file provided"))
local contentType = args[2]

mpupload(filename, contentType)