I followed the article on:
http://bakery.cakephp.org/articles/spout/2007/06/09/captcha-component-with-phpcaptcha
...and made some changes to the controller given there:
<?php
App::import('Vendor', 'phpcaptcha/phpcaptcha');
class CaptchaComponent extends Component {
var $controller;
function startup( &$controller ) {
$this->controller = &$controller;
}
function image() {
$imagesPath = APP . 'Vendor' . DS . 'phpcaptcha'.'/fonts/';
$aFonts = array(
$imagesPath.'VeraBd.ttf',
$imagesPath.'VeraIt.ttf',
$imagesPath.'Vera.ttf'
);
$oVisualCaptcha = new PhpCaptcha($aFonts, 200, 60);
$oVisualCaptcha->UseColour(true);
//$oVisualCaptcha->SetOwnerText('Source: '.FULL_BASE_URL);
$oVisualCaptcha->SetNumChars(6);
$oVisualCaptcha->Create();
}
function audio() {
$oAudioCaptcha = new AudioPhpCaptcha('/usr/bin/flite', '/
tmp/');
$oAudioCaptcha->Create();
}
function check($userCode, $caseInsensitive = true){
if ($caseInsensitive)
$userCode = strtoupper($userCode);
$csi = $this->Session->read(CAPTCHA_SESSION_ID);
if (($this->Session->check(CAPTCHA_SESSION_ID)) && ($userCode
== $csi)) {
$this->Session->delete(CAPTCHA_SESSION_ID);
return true;
}
else return false;
}
}
?>
I added code to my add.ctp view file:
<img id="captcha" src="<?php echo $this->Html->url('/users/
captcha_image');?>" alt="" />
<a href="javascript:void(0);"
onclick="javascript:document.images.captcha.src='<?php echo $this-
>Html->url('/users/captcha_image');?>?' +
Math.round(Math.random(0)*1000)+1">Reload image</a>
I didn't change the PhpCaptcha file by Edward Eliot. I don't get any
errors but the captcha image just shows a red cross.
I also tried some old PHP code (no Cake) that I had for doing captchas
but the webpage just showed a red cross too.
I am wondering if there is a change in the way in which PHP deals with
generated images.
Thanks.
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