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<?php |
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/* |
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* This file is part of the 2amigos/yii2-usuario project. |
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* |
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* (c) 2amigOS! <http://2amigos.us/> |
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* |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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namespace Da\User\Widget; |
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use Yii; |
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use yii\base\InvalidConfigException; |
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use yii\helpers\Html; |
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use yii\web\View; |
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use yii\widgets\InputWidget; |
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class ReCaptchaWidget extends InputWidget |
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{ |
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/** |
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* @var string the color theme of the widget. Values can be 'dark' or 'light'. Optional. |
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*/ |
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public $theme; |
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/** |
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* @var string the type of captcha. Values can be 'audio' or 'image'. Optional. |
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*/ |
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public $type; |
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/** |
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* @var string the size of the widget. Values can be 'compact' or 'normal'. Optional. |
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*/ |
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public $size; |
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/** |
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* @var string the tabindex of the widget and challenge. Optional. |
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*/ |
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public $tabIndex; |
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/** |
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* @var string the name of the callbaqck function to be executed when the user submits a |
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* successful CAPTCHA response. The user's response, *g-recaptcha-response*, will be the input |
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* for the callback function. Optional. |
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*/ |
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public $callback; |
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/** |
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* @var string the name of the callback function to be executed when the recaptcha response |
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* expires and the user needs to solve a new CAPTCHA. |
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*/ |
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public $expiredCallback; |
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/** |
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* @inheritdoc |
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* |
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* @throws InvalidConfigException |
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*/ |
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public function init() |
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{ |
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if (!Yii::$app->get('recaptcha')) { |
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throw new InvalidConfigException(Yii::t('usuario', 'The "recaptcha" component must be configured.')); |
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} |
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parent::init(); |
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$this->registerClientScript(); |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws InvalidConfigException |
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*/ |
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public function run() |
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{ |
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$html = []; |
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$html[] = $this->hasModel() |
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? Html::activeHiddenInput($this->model, $this->attribute, $this->options) |
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: Html::hiddenInput($this->name, null, $this->options); |
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$html[] = Html::tag('div', '', $this->getCaptchaOptions()); |
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return implode("\n", $html); |
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} |
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/** |
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* @throws InvalidConfigException |
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* @return array the google recaptcha options. |
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*/ |
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protected function getCaptchaOptions() |
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{ |
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$data = [ |
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'sitekey' => Yii::$app->get('recaptcha')->key, |
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'callback' => $this->callback, |
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'expired-callback' => $this->expiredCallback, |
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'theme' => $this->theme, |
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'type' => $this->type, |
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'size' => $this->size, |
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'tabindex' => $this->tabIndex |
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]; |
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$options = [ |
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'class' => 'g-recaptcha', |
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'data' => array_filter($data) |
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]; |
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return $options; |
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} |
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/** |
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* Registers the required libraries and scripts for the widget to work. |
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*/ |
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protected function registerClientScript() |
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{ |
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$view = $this->getView(); |
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$view->registerJsFile( |
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'//www.google.com/recaptcha/api.js?hl=' . $this->getLanguageCode(), |
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[ |
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'position' => View::POS_HEAD, |
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'async' => true, |
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'defer' => true |
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] |
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); |
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$js = []; |
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$id = $this->options['id']; |
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$js[] = empty($this->callback) |
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? "var reCaptchaCallback = function(r){jQuery('#{$id}').val(r);};" |
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: "var reCaptchaCallback = function(r){jQuery('#{$id}').val(r); {$this->callback}(r);};"; |
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$this->callback = 'reCaptchaCallback'; |
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$js[] = empty($this->expiredCallback) |
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? "var reCaptchaExpiredCallback = function(){jQuery('#{$id}').val('');};" |
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: "var reCaptchaExpiredCallback = function(){jQuery('#{$id}').val(''); {$this->expiredCallback}();};"; |
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$this->expiredCallback = 'reCaptchaExpiredCallback'; |
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$view->registerJs(implode("\n", $js), View::POS_BEGIN); |
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} |
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/** |
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* @return bool|string the language code config option for google recatpcha library url. |
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*/ |
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protected function getLanguageCode() |
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{ |
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$language = Yii::$app->language; |
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if (strpos($language, '-') === false) { |
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return $language; |
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} |
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$except = [ |
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'zh-HK', |
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'zh-CN', |
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'zh-TW', |
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'en-GB', |
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'de-AT', |
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'de-CH', |
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'pt-BR', |
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'pt-PT' |
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]; |
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return in_array($language, $except, false) |
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? $language |
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: substr($language, 0, strpos($language, '-')); |
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} |
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} |
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2amigos /
yii2-usuario
