Next message: Alex Teslik: "Re: warping?"
On Jun 6, 2006, at 9:47 PM, Alex Teslik wrote:
> I hate to be the "don't reinvent the wheel guy", but...
> Authen::Captcha
> http://search.cpan.org/~unrtst/Authen-Captcha-1.023/Captcha.pm
>
> GD::SecurityImage
> http://search.cpan.org/~burak/GD-SecurityImage-1.61/lib/GD/
> SecurityImage.pm
>
> GD::SecurityImage::AC
> http://search.cpan.org/~burak/GD-SecurityImage-AC-1.10/lib/GD/
> SecurityImage/AC.pm
>
> these all seem to do various incarnations of the job with no dev
> time. Useless
> in regards to Imager directly, but...
I know about all of them. the reason why i'm re-inventing the wheel
is because IMHO the wheel sucks.
a_ they all use gd. i can't use gd - i'm using imager for other
things and i can't afford the overhead in my environment. i also
don't like gd especially keeping it up to date across multiple
machines, hence why i chose imager.
b_ they all are geared towards creating an image , saving it, and
serving it - which works on a single server, but doesn't in a
clustered environment
c_ they are all geared towards visual captchas, and either don't
support or can't support other forms. the performance of their
generation is also really bad.
i have a system in python that does this (and i'm 2/3 through porting
it to perl)
a- uses a public/private key to make time limited challenges, which
can be turned into one-time use via a db in the user app. it
clusters transparently, which is what i need.
b- considers the turing test to be the main module, and the image a
subclass. it supports img captchas , text captchas "what is two plus
three?" , and could trivially do sound - all through a standard
interface.
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