You sure can. There's an item in the config file called "imgexts" which is supposed to list the image extensions (jpg, bmp, gif, etc). If you put map in there, it'll allow people to upload only .map files.
Now the catch is that it'll try to "img src" them to display them in a browser, so if that doesn't work for a .map file (which I doubt) then you'd have to change a bit of code. I'm not sure how you'd want to deal with a .map file, probably just download it with a "href" maybe?
At any rate, it's possible, though it would require a bit of customization. BTW, that's a pretty cool gallery you've got there. Might just put me out of business...
omegatron,
Yeah, I agree. If you have everything above your web root as unreadable to your web server process (which is good design) then it's not a problem. But I'd still rather put the "safety features" into the script. It's bloody hard enough to configure as it is!
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