52 lines
1.6 KiB
PHP
52 lines
1.6 KiB
PHP
<?php
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namespace Gregwar\CaptchaBundle\Controller;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Bundle\FrameworkBundle\Controller\Controller;
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/**
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* Generates a captcha via a URL
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*
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* @author Jeremy Livingston <jeremy.j.livingston@gmail.com>
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*/
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class CaptchaController extends Controller
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{
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/**
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* Action that is used to generate the captcha, save its code, and stream the image
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*
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* @param \Symfony\Component\HttpFoundation\Request $request
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* @param string $key
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*
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* @return \Symfony\Component\HttpFoundation\Response
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*/
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public function generateCaptchaAction(Request $request, $key)
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{
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$options = $this->container->getParameter('gregwar_captcha.config');
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$session = $this->get('session');
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$whitelistKey = $options['whitelist_key'];
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$isOk = false;
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if ($options['as_url'] && $session->has($whitelistKey)) {
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$keys = $session->get($whitelistKey);
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if (is_array($keys) && in_array($key, $keys)) {
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$isOk = true;
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}
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}
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if (!$isOk) {
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throw $this->createNotFoundException('Unable to generate a captcha via an URL with this session key.');
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}
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/* @var \Gregwar\CaptchaBundle\Generator\CaptchaGenerator $generator */
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$generator = $this->container->get('gregwar_captcha.generator');
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$response = new Response($generator->generate($key, $options));
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$response->headers->set('Content-type', 'image/jpeg');
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return $response;
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}
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}
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