You can use the IFM API to automatically download or upload files, e.g. with curl:
At the moment there is no complete API specification available, so you have to read the code to perform such calls, or just write me an email.
autorization
If you want to use the API with curl and want to use authentication, you can do this by passing the X-IFM-AUTH
header. This header is constructed like the widely known basic authorization header. Just join username and password with a colon and do a base64 encode: