Cadoles/CaptchaBundle
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Add URL generation method and update to Symfony 2.1 standards

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This commit is contained in:
Jeremy Livingston
2012-11-13 22:33:36 -05:00
parent 78e1cee035
commit a41e4dd865
9 changed files with 348 additions and 229 deletions
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109
Type/CaptchaType.php
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@ -2,20 +2,16 @@
namespace Gregwar\CaptchaBundle\Type;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Component\Form\FormView;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Exception\FormException;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
use Symfony\Component\Form\FormViewInterface;
use Symfony\Component\Form\FormEvents;
use Gregwar\CaptchaBundle\Validator\CaptchaValidator;
use Gregwar\CaptchaBundle\Generator\CaptchaGenerator;
use Gregwar\CaptchaBundle\DataTransformer\EmptyTransformer;
/**
* Captcha type
@ -24,6 +20,16 @@ use Gregwar\CaptchaBundle\DataTransformer\EmptyTransformer;
*/
class CaptchaType extends AbstractType
{
/**
* @var \Symfony\Component\HttpFoundation\Session\SessionInterface
*/
protected $session;
/**
* @var \Gregwar\CaptchaBundle\Generator\CaptchaGenerator
*/
protected $generator;
/**
* Options
* @var array
@ -36,94 +42,67 @@ class CaptchaType extends AbstractType
*/
private $key = 'captcha';
public function __construct(Session $session, $config)
/**
* @param \Symfony\Component\HttpFoundation\Session\SessionInterface $session
* @param \Gregwar\CaptchaBundle\Generator\CaptchaGenerator $generator
* @param array $options
*/
public function __construct(SessionInterface $session, CaptchaGenerator $generator, $options)
{
$this->session = $session;
$this->options = $config;
$this->session = $session;
$this->generator = $generator;
$this->options = $options;
}
/**
* @param \Symfony\Component\Form\FormBuilderInterface $builder
* @param array $options
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$this->key = $builder->getForm()->getName();
$builder->addValidator(
new CaptchaValidator($this->session,
$this->key,
$options['invalid_message'],
$options['bypass_code'])
);
$validator = new CaptchaValidator($this->session, $this->key, $options['invalid_message'], $options['bypass_code']);
$builder->addEventListener(FormEvents::POST_BIND, array($validator, 'validate'));
}
/**
* @param \Symfony\Component\Form\FormView $view
* @param \Symfony\Component\Form\FormInterface $form
* @param array $options
*/
public function buildView(FormView $view, FormInterface $form, array $options)
{
$fingerprint = null;
if ($options['keep_value'] && $this->session->has($this->key.'_fingerprint')) {
$fingerprint = $this->session->get($this->key.'_fingerprint');
}
$generator = new CaptchaGenerator($this->generateCaptchaValue(),
$options['image_folder'],
$options['web_path'],
$options['gc_freq'],
$options['expiration'],
$options['font'],
$fingerprint,
$options['quality']);
if ($options['as_file']) {
$captchaCode = $generator->getFile($options['width'], $options['height']);
} else {
$captchaCode = $generator->getCode($options['width'], $options['height']);
}
if ($options['keep_value']) {
$this->session->set($this->key.'_fingerprint', $generator->getFingerprint());
}
$fieldVars = array(
$view->vars = array_merge($view->vars, array(
'captcha_width' => $options['width'],
'captcha_height' => $options['height'],
'captcha_code' => $captchaCode,
'captcha_code' => $this->generator->getCaptchaCode($this->key, $options),
'value' => '',
);
foreach($fieldVars as $name => $value){
$view->set($name,$value);
}
));
}
/**
* @param \Symfony\Component\OptionsResolver\OptionsResolverInterface $resolver
*/
public function setDefaultOptions(OptionsResolverInterface $resolver)
{
$this->options['property_path'] = false;
$resolver->setDefaults($this->options);
}
/**
* @return string
*/
public function getParent()
{
return 'text';
}
/**
* @return string
*/
public function getName()
{
return 'captcha';
}
private function generateCaptchaValue()
{
if (!$this->options['keep_value'] || !$this->session->has($this->key)) {
$value = '';
$chars = str_split($this->options['charset']);
for ($i=0; $i<$this->options['length']; $i++) {
$value.= $chars[array_rand($chars)];
}
$this->session->set($this->key, $value);
} else {
$value = $this->session->get($this->key);
}
return $value;
}
}