I'm sure that many of you have heard about this: http://panopticlick.eff.org/
It's a way to form a somewhat unique fingerprint of a web site visitor based on information about their browser, fonts, plugins, etc...
Does anyone know of a library (python!?) to do this?
I'd like to allow for visitors to vote on a poll without having to have an account...
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You could get jQuery to send that data to your server, and garner the rest on receipt of that request from HTTP headers.
Create a checksum, bish-bash-bosh done.
warning as much of that information is JS provided (this also applies to the user agent) it is very easily manipulated. If you have a single hash, I only have to change one small value (like browser version) to get a new vote.
Sounds dangerous ... why not just use logins like everyone else, it's easy with OpenID nowadays.
Art : I want to provide for a very "lightweight" user experience. I don't need users for anything else and I think the ability to vote without logging in will increase participation. Do you know if jQuery can get the fonts/plugins?Aiden Bell : See: http://bytes.com/topic/javascript/answers/868406-classid-get-list-installed-fonts
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