<?php 
vendor('phpcaptcha'.DS.'php-captcha.inc');

class CaptchaComponent extends Object
{
	var $controller;
 
	function startup( &$controller ) {
		$this->controller = &$controller;
	}

	function image(){
		
		$imagesPath = realpath(VENDORS . '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);
		}
		
		if (!empty($_SESSION[CAPTCHA_SESSION_ID]) && $userCode == $_SESSION[CAPTCHA_SESSION_ID]) {
			// clear to prevent re-use
			unset($_SESSION[CAPTCHA_SESSION_ID]);
			
			return true;
		}
		else return false;
		
	}
}
?>