diff options
author | emkael <emkael@tlen.pl> | 2016-04-07 16:09:16 +0200 |
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committer | emkael <emkael@tlen.pl> | 2016-04-07 16:09:16 +0200 |
commit | d42b25cbf6d3f1e51cb2a3149f1ff54cc5474bc9 (patch) | |
tree | 96b734357392d6094cfc5f8284ad8f2578b96b7f /lib/prado/framework/Web/UI/WebControls/TReCaptcha2Validator.php | |
parent | ac6c2b9c4f787dfdfa00547f764c77d80dad14c0 (diff) |
* Prado upgrade (to 3.3.r6b8e6601752b21a8a96c385a5529bbec7bb2b408)
Diffstat (limited to 'lib/prado/framework/Web/UI/WebControls/TReCaptcha2Validator.php')
-rw-r--r-- | lib/prado/framework/Web/UI/WebControls/TReCaptcha2Validator.php | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/lib/prado/framework/Web/UI/WebControls/TReCaptcha2Validator.php b/lib/prado/framework/Web/UI/WebControls/TReCaptcha2Validator.php new file mode 100644 index 0000000..2cd4b6d --- /dev/null +++ b/lib/prado/framework/Web/UI/WebControls/TReCaptcha2Validator.php @@ -0,0 +1,110 @@ +<?php + +/** + * TReCaptcha2Validator class file + * + * @author Cristian Camilo Naranjo Valencia + * @link http://icolectiva.co + * @copyright Copyright © 2005-2016 The PRADO Group + * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT + * @package System.Web.UI.WebControls + */ + +Prado::using('System.Web.UI.WebControls.TBaseValidator'); +Prado::using('System.Web.UI.WebControls.TReCaptcha2'); + +/** + * TReCaptcha2Validator class + * + * TReCaptcha2Validator validates a reCAPTCHA represented by a {@link TReCaptcha} control. + * The input control fails validation if th user did not pass the humanity test. + * + * To use TReCaptcha2Validator, specify the {@link setCaptchaControl CaptchaControl} + * to be the ID path of the {@link TReCaptcha} control. + * + * @author Cristian Camilo Naranjo Valencia + * @package System.Web.UI.WebControls + * @since 3.3.1 + */ + +class TReCaptcha2Validator extends TBaseValidator +{ + protected $_isvalid = null; + + protected function getClientClassName() + { + return 'Prado.WebUI.TReCaptcha2Validator'; + } + public function getEnableClientScript() + { + return true; + } + protected function getCaptchaControl() + { + $control = $this->getValidationTarget(); + if (!$control) + throw new Exception('No target control specified for TReCaptcha2Validator'); + if (!($control instanceof TReCaptcha2)) + throw new Exception('TReCaptcha2Validator only works with TReCaptcha2 controls'); + return $control; + } + public function getClientScriptOptions() + { + $options = parent::getClientScriptOptions(); + $options['ResponseFieldName'] = $this->getCaptchaControl()->getResponseFieldName(); + return $options; + } + /** + * This method overrides the parent's implementation. + * The validation succeeds if the input control has the same value + * as the one displayed in the corresponding RECAPTCHA control. + * + * @return boolean whether the validation succeeds + */ + protected function evaluateIsValid() + { + // check validity only once (if trying to evaulate multiple times, all redundant checks would fail) + if (is_null($this->_isvalid)) + { + $control = $this->getCaptchaControl(); + $this->_isvalid = $control->validate(); + } + return ($this->_isvalid==true); + } + public function onPreRender($param) + { + parent::onPreRender($param); + + $cs = $this->Page->getClientScript(); + $cs->registerPradoScript('validator'); + + // communicate validation status to the client side + $value = $this->_isvalid===false ? '0' : '1'; + $cs->registerHiddenField($this->getClientID().'_1',$value); + + // update validator display + if ($control = $this->getValidationTarget()) + { + $fn = 'captchaUpdateValidatorStatus_'.$this->getClientID(); + + $cs->registerEndScript($this->getClientID().'::validate', implode(' ',array( + // this function will be used to update the validator + 'function '.$fn.'(valid)', + '{', + ' jQuery('.TJavaScript::quoteString('#'.$this->getClientID().'_1').').val(valid);', + ' Prado.Validation.validateControl('.TJavaScript::quoteString($control->ClientID).'); ', + '}', + '', + // update the validator to the result if we're in a callback + // (if we're in initial rendering or a postback then the result will be rendered directly to the page html anyway) + $this->Page->IsCallback ? $fn.'('.$value.');' : '', + '', + // install event handler that clears the validation error when user changes the captcha response field + 'jQuery("#'.$control->getClientID().'").on("change", '.TJavaScript::quoteString('#'.$control->getResponseFieldName()).', function() { ', + $fn.'("1");', + '});', + ))); + } + } +} + |