Cadoles/CaptchaBundle
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Cleaning session usage to keep options during as_url (fixes #41)

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Gregwar
2013-01-21 15:18:36 +01:00
parent 2e17d9c035
commit 42f6e92560
5 changed files with 86 additions and 65 deletions
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80
Generator/CaptchaGenerator.php
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@ -17,17 +17,6 @@ use Gregwar\Captcha\PhraseBuilderInterface;
*/
class CaptchaGenerator
{
/**
* @var \Symfony\Component\HttpFoundation\Session\SessionInterface
*/
protected $session;
/**
* Name of the whitelist key
* @var string
*/
protected $whitelistKey;
/**
* @var \Symfony\Component\Routing\RouterInterface
*/
@ -49,20 +38,16 @@ class CaptchaGenerator
protected $imageFileHandler;
/**
* @param \Symfony\Component\HttpFoundation\Session\SessionInterface $session
* @param \Symfony\Component\Routing\RouterInterface $router
* @param CaptchaBuilderInterface $builder
* @param ImageFileHandlerInterface $imageFileHandler
* @param string $whitelistKey
*/
public function __construct(SessionInterface $session, RouterInterface $router, CaptchaBuilderInterface $builder, PhraseBuilderInterface $phraseBuilder, ImageFileHandler $imageFileHandler, $whitelistKey)
public function __construct(RouterInterface $router, CaptchaBuilderInterface $builder, PhraseBuilderInterface $phraseBuilder, ImageFileHandler $imageFileHandler)
{
$this->session = $session;
$this->router = $router;
$this->builder = $builder;
$this->phraseBuilder = $phraseBuilder;
$this->imageFileHandler = $imageFileHandler;
$this->whitelistKey = $whitelistKey;
$this->imageFileHandler = $imageFileHandler;
}
/**
@ -73,26 +58,31 @@ class CaptchaGenerator
*
* @return array
*/
public function getCaptchaCode($key, array $options)
public function getCaptchaCode(array &$options)
{
$this->builder->setPhrase($this->getPhrase($options));
// Randomly execute garbage collection and returns the image filename
if ($options['as_file']) {
$this->imageFileHandler->collectGarbage();
return $this->generate($key, $options);
return $this->generate($options);
}
// Returns the image generation URL
if ($options['as_url']) {
$keys = $this->session->get($this->whitelistKey, array());
if (!in_array($key, $keys)) {
$keys[] = $key;
}
$this->session->set($this->whitelistKey, $keys);
return $this->router->generate('gregwar_captcha.generate_captcha', array('key' => $key));
return $this->router->generate('gregwar_captcha.generate_captcha', array('key' => $options['session_key']));
}
return 'data:image/jpeg;base64,' . base64_encode($this->generate($key, $options));
return 'data:image/jpeg;base64,' . base64_encode($this->generate($options));
}
/**
* Sets the phrase to the builder
*/
public function setPhrase($phrase)
{
$this->builder->setPhrase($phrase);
}
/**
@ -101,12 +91,12 @@ class CaptchaGenerator
*
* @return string
*/
public function generate($key, array $options)
public function generate(array &$options)
{
$fingerprint = $this->getFingerprint($key, $options);
$this->builder->setDistortion($options['distortion']);
$fingerprint = isset($options['fingerprint']) ? $options['fingerprint'] : null;
$content = $this->builder->build(
$options['width'],
$options['height'],
@ -115,7 +105,7 @@ class CaptchaGenerator
)->getGd();
if ($options['keep_value']) {
$this->session->set($key . '_fingerprint', $this->builder->getFingerprint());
$options['fingerprint'] = $this->builder->getFingerprint();
}
if (!$options['as_file']) {
@ -134,33 +124,17 @@ class CaptchaGenerator
*
* @return string
*/
protected function getPhrase($key, array $options)
public function getPhrase(array &$options)
{
// Get the phrase that we'll use for this image
if ($options['keep_value'] && $this->session->has($key)) {
return $this->session->get($key);
if ($options['keep_value'] && isset($options['phrase'])) {
$phrase = $options['phrase'];
} else {
$phrase = $this->phraseBuilder->build($options['length'], $options['charset']);
$options['phrase'] = $phrase;
}
$phrase = $this->phraseBuilder->build($options['length'], $options['charset']);
$this->session->set($key, $phrase);
$this->captchaBuilder->setPhrase($phrase);
return $phrase;
}
/**
* @param string $key
* @param array $options
*
* @return array|null
*/
protected function getFingerprint($key, array $options)
{
if ($options['keep_value'] && $this->session->has($key . '_fingerprint')) {
return $this->session->get($key . '_fingerprint');
}
return null;
}
}