Protect from POST spamming, botting, and so on... #7

As of 06d2d7a957, one can DDOS the entire thing by just spamming POST's with correctly formatted data. Incorrect POST's shouldn't be an issue simply because of kchan's speed. I'm not sure if this kind of spamming can be handled by an nginx gate or similar.
I was thinking of adding a TardWrangler struct, which would lazily process POST data, and handle ip timeouts.
As far as I'm aware, the only way to prevent botting is with a CAPTCHA.
I don't like CAPTCHAs, mostly because I don't see any way to handle a CAPTCHA verified POST in raw html.
I'll leave it as an open issue for now.

As of 06d2d7a957, one can DDOS the entire thing by just spamming POST's with correctly formatted data. Incorrect POST's shouldn't be an issue simply because of kchan's speed. I'm not sure if this kind of spamming can be handled by an nginx gate or similar. I was thinking of adding a `TardWrangler` struct, which would lazily process POST data, and handle ip timeouts. As far as I'm aware, the only way to prevent botting is with a CAPTCHA. I don't like CAPTCHAs, mostly because I don't see any way to handle a CAPTCHA verified POST in raw html. I'll leave it as an open issue for now.

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Protect from POST spamming, botting, and so on... #7