Hi Andrew,
Andrew Madu wrote:
1. In my xml validations definitions file:
<fd:captcha id="f1" required="true">
<fd:label>Copy the number shown into the input field</fd:label>
<fd:datatype base="string"/>
<fd:validation>
<fd:captcha/>
</fd:validation>
</fd:captcha>
According to the samples in cocoon 2.1.9 this is correct.
2. In my jxt file:
<ft:widget id="f1">
<fi:styling listbox-size="30" class="keyinbox"/>
</ft:widget>
Yep seems fine.
When I submit the form the validation works,
validation.captcha.mismatch, the only problem being that I don't know
how to display the generated captcha image that needs to be entered!!!
Do you or anyone else know how to do this?
Yes you can find this in the samples when you build cocoon 2.1.9.
Secondly is it possible to set properties of the captchareader in the
sitemap so as to control the height, width, background color, font type
etc etc etc of the captcha image and if so how can I do that?
Yes it is. I you use an SVG for the captcha image you can modify all these
properties.
You will have to have something like this in your sitemap:
<!--
| Generate the CAPTCHA image. Any type of generator can be used here,
| as long as it reads the string to display from the session
| attribute named "captcha-{1}".
| Using an SVG file as input requires that the Batik block be
| included in the build.
-->
<map:match pattern="captcha-*.jpg">
<map:generate type="jx" src="captcha-image.xml">
<map:parameter name="value" value="{session-attr:captcha-{1}}"/>
</map:generate>
<map:serialize type="svg2jpeg"/>
</map:match>
With the following captcha-image.xml
<svg width="210" height="75">
<defs>
<filter id="blur2">
<feGaussianBlur stdDeviation="2"/>
</filter>
</defs>
<g id="imagegroup">
<text style="fill:#0086B3;font-size:42;font-family:Courier;filter:url(#blur2);" x="0"
y="48">#{$cocoon/parameters/value}</text>
</g>
</svg>
I hope this helps you out a bit more. It's best if you take a look at the samples in Cocoon. It will give you a nice
code overview of how to enable captcha for you website.
Regards,
Reijn
regards
Andrew
On 07/07/06, *Antonio Gallardo* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
Andrew Madu escribió:
> Hi,
> just wanted to know what you guys thoughts are on this issue and how,
> if at all, you handle it with your own sites?
CAPTCHA [1] might help. BTW, there is built-in support in cocoon. See
samples here: [2] [3].
Best Regards,
Antonio Gallardo.
>
> regards
>
> Andrew
[1] http://en.wikipedia.org/wiki/Captcha
[2]
http://cocoon.zones.apache.org/demos/21branch/samples/blocks/captcha/welcome
[3]
http://cocoon.zones.apache.org/demos/21branch/samples/blocks/forms/captcha/
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Met vriendelijke groet,
Kind regards,
Jeroen Reijn
Hippo
Oosteinde 11
1017WT Amsterdam
The Netherlands
Tel +31 (0)20 5224466
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