126 lines
3.3 KiB
PHP
126 lines
3.3 KiB
PHP
<?php
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namespace Gregwar\CaptchaBundle\Type;
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use Symfony\Component\HttpFoundation\Session\SessionInterface;
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use Symfony\Component\Form\FormView;
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use Symfony\Component\Form\FormInterface;
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use Symfony\Component\Form\AbstractType;
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use Symfony\Component\Form\FormBuilderInterface;
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use Symfony\Component\OptionsResolver\OptionsResolverInterface;
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use Symfony\Component\Form\FormEvents;
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use Gregwar\CaptchaBundle\Validator\CaptchaValidator;
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use Gregwar\CaptchaBundle\Generator\CaptchaGenerator;
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/**
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* Captcha type
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*
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* @author Gregwar <g.passault@gmail.com>
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*/
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class CaptchaType extends AbstractType
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{
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/**
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* @var \Symfony\Component\HttpFoundation\Session\SessionInterface
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*/
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protected $session;
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/**
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* The session key
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* @var string
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*/
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protected $key = null;
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/**
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* @var \Gregwar\CaptchaBundle\Generator\CaptchaGenerator
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*/
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protected $generator;
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/**
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* Options
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* @var array
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*/
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private $options = array();
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/**
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* @param \Symfony\Component\HttpFoundation\Session\SessionInterface $session
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* @param \Gregwar\CaptchaBundle\Generator\CaptchaGenerator $generator
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* @param array $options
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*/
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public function __construct(SessionInterface $session, CaptchaGenerator $generator, $options)
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{
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$this->session = $session;
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$this->generator = $generator;
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$this->options = $options;
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}
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/**
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* @param \Symfony\Component\Form\FormBuilderInterface $builder
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* @param array $options
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*/
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public function buildForm(FormBuilderInterface $builder, array $options)
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{
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$this->key = 'gcb_'.$builder->getForm()->getName();
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$validator = new CaptchaValidator(
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$this->session,
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$this->key,
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$options['invalid_message'],
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$options['bypass_code'],
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$options['humanity']
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);
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$builder->addEventListener(FormEvents::POST_BIND, array($validator, 'validate'));
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}
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/**
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* @param \Symfony\Component\Form\FormView $view
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* @param \Symfony\Component\Form\FormInterface $form
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* @param array $options
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*/
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public function buildView(FormView $view, FormInterface $form, array $options)
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{
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$isHuman = false;
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if ($options['humanity'] > 0) {
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$humanityKey = $this->key.'_humanity';
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if ($this->session->get($humanityKey, 0) > 0) {
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$isHuman = true;
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}
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}
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$view->vars = array_merge($view->vars, array(
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'captcha_width' => $options['width'],
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'captcha_height' => $options['height'],
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'captcha_code' => $this->generator->getCaptchaCode($this->key, $options),
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'value' => '',
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'is_human' => $isHuman
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));
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}
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/**
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* @param \Symfony\Component\OptionsResolver\OptionsResolverInterface $resolver
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*/
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public function setDefaultOptions(OptionsResolverInterface $resolver)
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{
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$this->options['property_path'] = false;
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$resolver->setDefaults($this->options);
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}
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/**
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* @return string
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*/
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public function getParent()
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{
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return 'text';
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}
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/**
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* @return string
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*/
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public function getName()
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{
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return 'captcha';
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}
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}
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