Asiri Rathnayake wrote:
> Hi,
>
>
> Not exactly, I think you are thinking of:
>> $captchaservice.isAnswerCorrect($sessionId, $answer)
>>
>
> Yes. I believe here sessionId is generated by the captcha service for each
> captcha displayed? Or is it something else?
>
> I'm asking because recaptcha generates a unque captchaId for each captcha it
> generates. Then you need to handover this captchaId + user's answer to the
> server to verify the answer.
>
>
>> while captchaName is the hint for getting a component from the component
>> manager. eg:
>> $captchaservice.isAnswerCorrect("defaultImageCaptcha", $answer)
>>
>
> Ok, I understand now.
>
>
>> The fact that the last call to the struts based jcaptcha component was from
>> same session
>> means that the answer provided will work.
>>
>> Perhaps it would be best to offer a way to check the answer with the
>> sessionId
>> either A:
>> $captchaservice.isAnswerCorrect("defaultImageCaptcha", $sessionId, $answer)
>>
>> or B:
>> #set($captcha = $captchaservice.getCaptcha("defaultImageCaptcha"))
>> $captcha.isAnswerCorrect($sessionId, $answer)
>>
>
> Both sounds good. Although I like the second form.
Agreed, I am thinking I can create an implementation of Captcha which wraps
another implementation but never throws any exceptions so it is velocity
friendly.
>
>
>> Also an easy way to get the session id using $request in Velocity?
>> Something like:
>>
>> A:
>> #set($sessionId = $captchaservice.getSessionId($request))
>>
>> or B:
>> #set($sessionId = $captcha.getSessionId($request))
>>
>
> I don't know whether binding velocity APIs to HTTPRequest is a good idea,
> but it will surely make things easy. We could even have something like:
>
> #set($captcha = $captchaservice.getCaptcha("defaultImageCaptcha"))
> $captcha.isAnswerCorrect($request)
>
> So we leave all the parameter resolution to the captcha component itself.
As easy as it is, I get nervous thinking about hardcoding the name of the
parameter in the core, suppose we wanted to use it in a case where that
parameter was taken? Anyway defining hardcoded strings gives me a bad feeling.
How about:
#set($captcha = $captchaservice.getCaptcha("defaultImageCaptcha"))
#set($servletId = $captcha.getServletId($request))
$captcha.isAnswerCorrect($answer)
captcha.getServletId can take an HttpServletRequest object and the XWikiRequest
(in velocity that is $request) will work because XWikiRequest extends and wraps
the HttpServletRequest object.
Thanks,
Caleb
>
> Thanks.
>
> - Asiri
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