Merge branch 'master' of github.com:Gregwar/CaptchaBundle
This commit is contained in:
commit
34de9cd753
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@ -42,7 +42,15 @@ class CaptchaController extends Controller
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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, $options));
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$persistedOptions = $session->get($key, array());
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$options = array_merge($options, $persistedOptions);
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$phrase = $generator->getPhrase($options);
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$generator->setPhrase($phrase);
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$persistedOptions['phrase'] = $phrase;
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$session->set($key, $persistedOptions);
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$response = new Response($generator->generate($options));
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$response->headers->set('Content-type', 'image/jpeg');
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return $response;
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@ -21,8 +21,8 @@ class Configuration implements ConfigurationInterface
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->addDefaultsIfNotSet()
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->children()
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->scalarNode('length')->defaultValue(5)->end()
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->scalarNode('width')->defaultValue(120)->end()
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->scalarNode('height')->defaultValue(40)->end()
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->scalarNode('width')->defaultValue(130)->end()
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->scalarNode('height')->defaultValue(50)->end()
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->scalarNode('font')->defaultValue(__DIR__.'/../Generator/Font/captcha.ttf')->end()
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->scalarNode('keep_value')->defaultValue(false)->end()
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->scalarNode('charset')->defaultValue('abcdefhjkmnprstuvwxyz23456789')->end()
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@ -33,7 +33,7 @@ class Configuration implements ConfigurationInterface
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->scalarNode('web_path')->defaultValue('%kernel.root_dir%/../web')->end()
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->scalarNode('gc_freq')->defaultValue(100)->end()
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->scalarNode('expiration')->defaultValue(60)->end()
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->scalarNode('quality')->defaultValue(15)->end()
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->scalarNode('quality')->defaultValue(30)->end()
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->scalarNode('invalid_message')->defaultValue('Bad code value')->end()
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->scalarNode('bypass_code')->defaultValue(null)->end()
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->scalarNode('whitelist_key')->defaultValue('captcha_whitelist_key')->end()
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@ -17,17 +17,6 @@ use Gregwar\Captcha\PhraseBuilderInterface;
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*/
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class CaptchaGenerator
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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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* Name of the whitelist key
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* @var string
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*/
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protected $whitelistKey;
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/**
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* @var \Symfony\Component\Routing\RouterInterface
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*/
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@ -49,20 +38,16 @@ class CaptchaGenerator
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protected $imageFileHandler;
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/**
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* @param \Symfony\Component\HttpFoundation\Session\SessionInterface $session
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* @param \Symfony\Component\Routing\RouterInterface $router
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* @param CaptchaBuilderInterface $builder
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* @param ImageFileHandlerInterface $imageFileHandler
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* @param string $whitelistKey
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*/
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public function __construct(SessionInterface $session, RouterInterface $router, CaptchaBuilderInterface $builder, PhraseBuilderInterface $phraseBuilder, ImageFileHandler $imageFileHandler, $whitelistKey)
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public function __construct(RouterInterface $router, CaptchaBuilderInterface $builder, PhraseBuilderInterface $phraseBuilder, ImageFileHandler $imageFileHandler)
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{
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$this->session = $session;
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$this->router = $router;
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$this->builder = $builder;
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$this->phraseBuilder = $phraseBuilder;
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$this->imageFileHandler = $imageFileHandler;
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$this->whitelistKey = $whitelistKey;
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$this->imageFileHandler = $imageFileHandler;
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}
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/**
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@ -73,26 +58,31 @@ class CaptchaGenerator
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*
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* @return array
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*/
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public function getCaptchaCode($key, array $options)
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public function getCaptchaCode(array &$options)
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{
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$this->builder->setPhrase($this->getPhrase($options));
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// Randomly execute garbage collection and returns the image filename
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if ($options['as_file']) {
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$this->imageFileHandler->collectGarbage();
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return $this->generate($key, $options);
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return $this->generate($options);
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}
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// Returns the image generation URL
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if ($options['as_url']) {
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$keys = $this->session->get($this->whitelistKey, array());
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if (!in_array($key, $keys)) {
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$keys[] = $key;
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}
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$this->session->set($this->whitelistKey, $keys);
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return $this->router->generate('gregwar_captcha.generate_captcha', array('key' => $key));
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return $this->router->generate('gregwar_captcha.generate_captcha', array('key' => $options['session_key']));
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}
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return 'data:image/jpeg;base64,' . base64_encode($this->generate($key, $options));
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return 'data:image/jpeg;base64,' . base64_encode($this->generate($options));
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}
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/**
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* Sets the phrase to the builder
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*/
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public function setPhrase($phrase)
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{
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$this->builder->setPhrase($phrase);
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}
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/**
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@ -101,12 +91,12 @@ class CaptchaGenerator
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*
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* @return string
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*/
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public function generate($key, array $options)
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public function generate(array &$options)
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{
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$fingerprint = $this->getFingerprint($key, $options);
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$this->builder->setDistortion($options['distortion']);
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$fingerprint = isset($options['fingerprint']) ? $options['fingerprint'] : null;
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$content = $this->builder->build(
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$options['width'],
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$options['height'],
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@ -115,7 +105,7 @@ class CaptchaGenerator
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)->getGd();
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if ($options['keep_value']) {
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$this->session->set($key . '_fingerprint', $this->builder->getFingerprint());
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$options['fingerprint'] = $this->builder->getFingerprint();
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}
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if (!$options['as_file']) {
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@ -134,33 +124,17 @@ class CaptchaGenerator
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*
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* @return string
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*/
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protected function getPhrase($key, array $options)
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public function getPhrase(array &$options)
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{
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// Get the phrase that we'll use for this image
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if ($options['keep_value'] && $this->session->has($key)) {
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return $this->session->get($key);
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if ($options['keep_value'] && isset($options['phrase'])) {
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$phrase = $options['phrase'];
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} else {
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$phrase = $this->phraseBuilder->build($options['length'], $options['charset']);
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$options['phrase'] = $phrase;
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}
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$phrase = $this->phraseBuilder->build($options['length'], $options['charset']);
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$this->session->set($key, $phrase);
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$this->captchaBuilder->setPhrase($phrase);
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return $phrase;
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}
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/**
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* @param string $key
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* @param array $options
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*
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* @return array|null
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*/
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protected function getFingerprint($key, array $options)
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{
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if ($options['keep_value'] && $this->session->has($key . '_fingerprint')) {
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return $this->session->get($key . '_fingerprint');
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}
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return null;
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}
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}
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@ -11,12 +11,10 @@ services:
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gregwar_captcha.generator:
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class: Gregwar\CaptchaBundle\Generator\CaptchaGenerator
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arguments:
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- @session
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- @router
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- @gregwar_captcha.captcha_builder
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- @gregwar_captcha.phrase_builder
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- @gregwar_captcha.image_file_handler
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- %gregwar_captcha.config.whitelist_key%
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gregwar_captcha.image_file_handler:
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class: Gregwar\CaptchaBundle\Generator\ImageFileHandler
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@ -89,15 +89,32 @@ class CaptchaType extends AbstractType
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}
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}
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if ($options['as_url']) {
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$key = $this->key;
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$keys = $this->session->get($options['whitelist_key'], array());
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if (!in_array($key, $keys)) {
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$keys[] = $key;
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}
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$this->session->set($options['whitelist_key'], $keys);
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$options['session_key'] = $this->key;
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}
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$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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'reload' => $options['reload'],
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'image_id' => uniqid('captcha_'),
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'captcha_code' => $this->generator->getCaptchaCode($this->key, $options),
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'captcha_code' => $this->generator->getCaptchaCode($options),
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'value' => '',
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'is_human' => $isHuman
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));
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$persistOptions = array();
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foreach (array('phrase', 'width', 'height', 'distortion', 'quality') as $key) {
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$persistOptions[$key] = $options[$key];
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}
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$this->session->set($this->key, $persistOptions);
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}
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/**
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@ -60,17 +60,15 @@ class CaptchaValidator
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public function validate(FormEvent $event)
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{
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$form = $form = $event->getForm();
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$humanityKey = $this->key . '_humanity';
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$code = $form->getData();
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$expectedCode = $this->getExpectedCode();
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if ($this->humanity > 0) {
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if ($this->session->get($humanityKey, 0) > 0) {
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$this->session->set($humanityKey, $this->session->get($humanityKey, 0)-1);
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$humanity = $this->getHumanity();
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if ($humanity > 0) {
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$this->updateHumanity($humanity-1);
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return;
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} else {
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$this->session->remove($humanityKey);
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}
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}
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@ -78,7 +76,7 @@ class CaptchaValidator
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$form->addError(new FormError($this->invalidMessage));
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} else {
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if ($this->humanity > 0) {
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$this->session->set($humanityKey, $this->humanity);
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$this->updateHumanity($this->humanity);
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}
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}
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@ -96,8 +94,34 @@ class CaptchaValidator
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*/
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protected function getExpectedCode()
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{
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if ($this->session->has($this->key)) {
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return $this->session->get($this->key);
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$options = $this->session->get($this->key, array());
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if (is_array($options) && isset($options['phrase'])) {
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return $options['phrase'];
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}
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return null;
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}
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/**
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* Retreive the humanity
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*
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* @return mixed|null
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*/
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protected function getHumanity()
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{
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return $this->session->get($this->key . '_humanity', 0);
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}
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/**
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* Updates the humanity
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*/
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protected function updateHumanity($newValue)
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{
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if ($newValue > 0) {
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$this->session->set($this->key . '_humanity', $newValue);
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} else {
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$this->session->remove($this->key . '_humanity');
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}
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return null;
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