public function build($name, array $options = [])
{
$width = isset($options['width']) ? $options['width'] : 150;
$height = isset($options['height']) ? $options['height'] : 40;
$font = isset($options['font']) ? $options['font'] : null;
$phraseBuilder = new PhraseBuilder();
if (isset($options['captcha'])) {
$captcha = $options['captcha'];
} elseif (isset($options['length'])) {
$captcha = $phraseBuilder->build($options['length']);
} else {
$captcha = null;
}
$captchaBuilder = new CaptchaBuilder($captcha, $phraseBuilder);
if (isset($options['text_color'])) {
$captchaBuilder->setBackgroundColor($options['text_color'][0], $options['text_color'][1], $options['text_color'][2]);
}
if (isset($options['background_color'])) {
$captchaBuilder->setBackgroundColor($options['background_color'][0], $options['background_color'][1], $options['background_color'][2]);
}
if (isset($options['background_images'])) {
$captchaBuilder->setBackgroundColor($options['background_image']);
}
if (isset($options['ignore_effect'])) {
$captchaBuilder->setIgnoreAllEffects($options['ignore_effect']);
}
$captchaBuilder->build($width, $height, $font);
$captcha = $captchaBuilder->getPhrase();
session(['image_captcha.' . $name => $captcha]);
$this->captchaBuilder = $captchaBuilder;
return $this;
}
private function newCaptcha()
{
$builder = new CaptchaBuilder();
$builder->build();
Session::set(['phrase' => $builder->getPhrase()]);
return $builder->inline();
}
/**
* @param array $options
*
* @return string
*/
public function generate(array &$options)
{
$this->builder->setDistortion($options['distortion']);
$this->builder->setMaxFrontLines($options['max_front_lines']);
$this->builder->setMaxBehindLines($options['max_behind_lines']);
if (isset($options['text_color']) && $options['text_color']) {
if (count($options['text_color']) !== 3) {
throw new \RuntimeException('text_color should be an array of r, g and b');
}
$color = $options['text_color'];
$this->builder->setTextColor($color[0], $color[1], $color[2]);
}
if (isset($options['background_color']) && $options['background_color']) {
if (count($options['background_color']) !== 3) {
throw new \RuntimeException('background_color should be an array of r, g and b');
}
$color = $options['background_color'];
$this->builder->setBackgroundColor($color[0], $color[1], $color[2]);
}
$this->builder->setInterpolation($options['interpolation']);
$fingerprint = isset($options['fingerprint']) ? $options['fingerprint'] : null;
$content = $this->builder->build($options['width'], $options['height'], $options['font'], $fingerprint)->getGd();
if ($options['keep_value']) {
$options['fingerprint'] = $this->builder->getFingerprint();
}
if (!$options['as_file']) {
ob_start();
imagejpeg($content, null, $options['quality']);
return ob_get_clean();
}
return $this->imageFileHandler->saveAsFile($content);
}
protected function renderImage($code)
{
$builder = new CaptchaBuilder($code);
$builder->setBackgroundColor(255, 255, 255);
$builder->build(150, 40, $this->fontFile);
return $builder->get();
}
/**
* Display captcha image
*
* @access public
*/
public function captcha()
{
$this->response->contentType('image/jpeg');
$builder = new CaptchaBuilder();
$builder->build();
$this->session['captcha'] = $builder->getPhrase();
$builder->output();
}
/**
* Display captcha image
*
* @access public
*/
public function image()
{
$this->response->withContentType('image/jpeg')->send();
$builder = new CaptchaBuilder();
$builder->build();
$this->sessionStorage->captcha = $builder->getPhrase();
$builder->output();
}
public function index()
{
$builder = new CaptchaBuilder();
$builder->build(150, 32);
//session(['captcha'=>$builder->getPhrase()]);
\Session::set('captcha', $builder->getPhrase());
//存储验证码
return response($builder->output())->header('Content-type', 'image/jpeg');
}
public function index()
{
$builder = new CaptchaBuilder();
$builder->build($width = 100, $height = 34, $font = null);
Session::put('phrase', $builder->getPhrase());
header('Cache-Control: no-cache, must-revalidate');
header('Content-Type: image/jpeg');
$builder->output();
}
public function login()
{
Session_start();
$builder = new CaptchaBuilder();
$builder->build();
$phrase = $builder->getPhrase();
$_SESSION['phrase'] = $phrase;
return View::make('login')->with(array('captcha' => $builder, 'links' => $this->link()));
}
protected function generate($generate = false)
{
if (!empty($this->data) && $generate === false) {
return $this->data;
}
$this->provider->build($this->width, $this->height);
$this->code = $this->provider->getPhrase();
return $this->data = ['mimeType' => 'image/jpeg', 'image' => $this->provider->get($this->quality)];
}
public function display()
{
$builder = new CaptchaBuilder();
$builder->build();
$this->Session->write('captcha', $builder->getPhrase());
$this->response->header('Content-type', 'image/jpeg');
$this->response->body($builder->get());
$this->response->send();
return $this->response;
}
public static function create($phrase = null)
{
$builder = new CaptchaBuilder();
if ($phrase) {
$builder->setPhrase($phrase);
}
$builder->build();
Session::put(static::$config['session'], Hash::make(Str::lower($builder->getPhrase())));
return Response::make($builder->get())->header('Content-type', 'image/jpeg');
}
public function captcha($tmp)
{
ob_clean();
//生成验证码图片的Builder对象，配置相应属性
$builder = new CaptchaBuilder();
$builder->build(100, 25);
\Session::set('phrase', $builder->getPhrase());
//存储验证码
return response($builder->output())->header('Content-type', 'image/jpeg');
}
public function actionIndex()
{
$codeId = (string) new \MongoId();
$code = StringUtil::rndString(4, 1);
$builder = new CaptchaBuilder($code);
$builder->build(160, 50);
$cache = Yii::$app->cache;
$duration = Yii::$app->params['img_captcha_availab_time'];
$cache->set($codeId, $code, $duration);
return ['message' => 'OK', 'data' => $builder->inline(), 'codeId' => $codeId];
}
public function captcha($request, $response, $args)
{
$id = $args['id'];
$builder = new CaptchaBuilder();
$builder->build();
//$builder->getPhrase();
$newResponse = $response->withHeader('Content-type', ' image/jpeg');
//->getBody()->write($builder->output());
$newResponse->getBody()->write($builder->output());
return $newResponse;
}
/**
* Generates the captcha, "returns" a real image, this is why there is header('Content-type: image/jpeg')
* Note: This is a very special method, as this is echoes out binary data.
*/
public static function generateAndShowCaptcha()
{
// create a captcha with the CaptchaBuilder lib (loaded via Composer)
$captcha = new CaptchaBuilder();
$captcha->build(Config::get('CAPTCHA_WIDTH'), Config::get('CAPTCHA_HEIGHT'));
// write the captcha character into session
Session::set('captcha', $captcha->getPhrase());
// render an image showing the characters (=the captcha)
header('Content-type: image/jpeg');
$captcha->output();
}
public static function captcha($isNew = false)
{
$app = Enpowi\App::get();
$segment = $app->session->getSegment(__CLASS__);
if (!isset($segment->phrase) || $isNew) {
$builder = new CaptchaBuilder();
$builder->build();
$segment->set('phrase', $builder->getPhrase());
$segment->set('image', $builder->inline());
}
return $segment->get('image');
}
public function captcha()
{
session_start();
$builder = new CaptchaBuilder();
$builder->build();
$_SESSION['phrase'] = $builder->getPhrase();
header("Cache-Control: no-cache, must-revalidate");
header('Content-Type: image/jpeg');
// return $_SESSION['phrase'];
$builder->output();
exit;
}
/**
* 输出验证码
*/
public function captcha()
{
$builder = new CaptchaBuilder();
$builder->build();
$phrase = $builder->getPhrase();
Crypt::setKey(Config::get('app.cookie_key'));
$phrase_new = Crypt::encrypt($phrase);
Session::flash('__captcha', $phrase_new);
header("Cache-Control: no-cache, must-revalidate");
header('Content-Type: image/jpeg');
$builder->output();
exit;
}
/**
* Build gregwar captcha image
*/
public function actionGregwar()
{
// set header. Class response->header->set is not working here (content output directly before)
header('Content-type: image/jpeg');
$builder = new CaptchaBuilder();
$builder->build(200, 60);
// build and set width/height
// set captcha value to session
App::$Session->set('captcha', $builder->getPhrase());
// set header and display JPEG
$this->response->headers->set('Content-type', 'image/jpeg');
$builder->output();
}
public function captcha(Model $Model, $check)
{
$value = array_values($check);
$value = $value[0];
$field = key($check);
if (CakeSession::check('captcha')) {
$builder = new CaptchaBuilder();
$builder->setPhrase(CakeSession::read('captcha'));
if ($builder->testPhrase($value)) {
return true;
}
}
return false;
}
/**
* Display a listing of the resource.
*
* @return Response
*/
public function captcha($tmp)
{
//生成验证码图片的Builder对象，配置相应属性
$builder = new CaptchaBuilder();
//可以设置图片宽高及字体
$builder->build($width = 140, $height = 50, $font = null);
//获取验证码的内容
$phrase = $builder->getPhrase();
//把内容存入session
Session::put('milkcaptcha', $phrase);
//生成图片
header("Cache-Control: no-cache, must-revalidate");
header('Content-Type: image/jpeg');
$builder->output();
}
/**
* Validate captcha
*
* @access protected
* @param array $values Form values
* @return boolean
*/
protected function validateCaptcha(array $values)
{
$errors = array();
if (!isset($this->sessionStorage->captcha)) {
$result = false;
} else {
$builder = new CaptchaBuilder();
$builder->setPhrase($this->sessionStorage->captcha);
$result = $builder->testPhrase(isset($values['captcha']) ? $values['captcha'] : '');
if (!$result) {
$errors['captcha'] = array(t('Invalid captcha'));
}
}
return array($result, $errors);
}
/**
* Returns a singleton instance of the CaptchaBuilder
*
* @return \Gregwar\Captcha\CaptchaBuilder
*/
protected function getCatpchaBuilder($reset = false)
{
static $captchaBuilder = null;
if ($captchaBuilder === null || $reset === true) {
$captchaBuilder = \Gregwar\Captcha\CaptchaBuilder::create();
}
return $captchaBuilder;
}
/**
* @return CaptchaBuilder
*/
private function getCaptchaBuilder()
{
if (!$this->captchaBuilder) {
$this->captchaBuilder = new CaptchaBuilder();
$this->captchaBuilder->build(200, 80);
$this->sessionSection->captcha = $this->captchaBuilder->getPhrase();
}
return $this->captchaBuilder;
}
/**
* Publish CAPTCHA image
*
* @author kuma
*/
public function captchaAction()
{
$builder = new CaptchaBuilder();
$builder->build();
$_SESSION['phrase'] = $builder->getPhrase();
header('Content-type: image/jpeg');
$builder->output();
$this->view->disable();
}
/**
* 生成验证码.
*
* @Route("captcha", name="site_common_captcha")
*/
public function captchaAction()
{
$width = intval($this->getRequestItem('width', 150));
// 验证码图片的宽度
$height = intval($this->getRequestItem('height', 50));
// 验证码图片的高度
$length = 5;
// 验证码字符的长度
$no_effect = true;
// 是否忽略验证图片上的干扰线条
$pharse = new PhraseBuilder();
$captcha = new CaptchaBuilder($pharse->build($length));
$image = $captcha->setIgnoreAllEffects($no_effect)->build($width, $height)->get();
$this->setSessionItem('captcha', $captcha->getPhrase());
$res = new Response($image);
$res->headers->set('content-type', 'image/jpeg');
return $res;
}
/**
* Test if a given phrase is valid (ie: same as in session).
* If yes, return true.
* If not, revoke the captcha and return false.
*/
public function isValid($phrase)
{
if (!is_string($phrase)) {
return false;
}
if (!$this->session->has($this->sessionKey)) {
return false;
}
$captcha = $this->session->get($this->sessionKey);
if (!isset($captcha['phrase'])) {
return false;
}
$builder = new CaptchaBuilder($captcha['phrase']);
if (!$builder->testPhrase($phrase)) {
$this->revoke();
return false;
}
return true;
}
/**
* Validate input phrase
*
* @access public
* @param array $userInput User input phrase
* @return string
*/
public function validate($userInput)
{
// Validate time
if (!$this->isAlive()) {
// Regenerate builder
$this->regenerate();
return false;
}
// Validate using builder
return $this->builder->testPhrase($userInput);
}
/**
* @param string $phrase
* @return bool
*/
public function verifyCaptcha($phrase)
{
if ($phrase) {
$ip = Request::get()->getRequest()->ip;
$key = md5($phrase . $ip);
$v = getCache()->get($key);
$b = CaptchaBuilder::create($v);
if ($b->testPhrase($phrase)) {
return true;
}
}
return false;
}
