Re: CAPTCHA image validation in web form

[Ralph Daugherty <rdjfc@xxxxxxxxxxxxx>]

   well, this has been eye opening. After seeing what all was involved 
with Java to create CAPTCHA's, I took a look at PHP because I knew my 
phpBB forum software wasn't that complicated. On the otehr hand, neither 
is the CAPTCHA.

   To generate good CAPTCHA's is mostly done with the GD PHP graphics 
library. But then that's getting up there in complexity with the Java 
graphics library, so no shortcuts there.

   The Java package that looked most promising is 
org.apache.myfaces.custom.captcha.util. I pulled that code into a 
project. I need to go get some more supporting classes, but they're all 
Apache. There is one use of HTTPServletResponse (or something close to 
that), but I commented out that import and will replace whatever is 
being done there with something else appropriate.

   The Java code out there is understandably servlet oriented, so what 
we want is a jar that ends up with a CAPTCHA PNG (or JPG or GIF) file as 
output without any other interactions.

   Will be interesting code to get working and post in any event.

 rd


Guillermo Andrades, CPI Software wrote:
> Ralph,
>
> <<We need to get you a prototype of RPG calling one of the standard
> Java classes that returns the CAPTCHA image to be displayed to the RPG
> program as a parm.>>
>
> oh yes, would be good,
> not problem using java in this way, the one I can't is install, configure
> and run WAS or Tomcat or Geronimo or so on for this intend..
>
> some brave java developer here with some of this? there is any code or
> library/class  available?
>
> (also I can improve my legacy of person-hating-java, btw, magnifico)
>
> Guillermo.