Allow to do customized feeds lookups

[mlodic]

We could add more ways to extract data feeds from GB other than "recent" and "persistent" which are free.

These new ways must be protected with authentication to avoid abuse.

We could give the users the chance to:

• download the data extracted in the last X hours (customization of "recent")
• download the data that was seen more than X times in the last X days (customization of "persistent")

[regulartim]

What kind of abuse do you want to prevent? Someone downloading a huge number of IOCs?

[mlodic]

While "recent" and "persistent" are fixed sets and, as such, they are easily cachable, allowing to do "customized" lookups could be intensive if the queries are not efficient, extract too much data and so on.

My primary concern is to avoid having to manage server issues for the Honeynet instance. I understand that in different circumstances that could not be important so I think that the authentication could be optional.