diff options
| author | ctrlaltca@gmail.com <> | 2011-10-02 21:13:53 +0000 |
|---|---|---|
| committer | ctrlaltca@gmail.com <> | 2011-10-02 21:13:53 +0000 |
| commit | 72dd599070900fabb1e1501a7b39067703acec35 (patch) | |
| tree | 9e38fddbdea9daddf19038b8fa4b0d2bddb142b5 /framework/Web/UI/WebControls/TReCaptchaValidator.php | |
| parent | 63e50106808370c249b48796ab5d08429f2c9550 (diff) | |
Added TReCaptcha control (ticket #345) and added a notice about the lack of security of TCaptcha (ticket #344)
Diffstat (limited to 'framework/Web/UI/WebControls/TReCaptchaValidator.php')
| -rw-r--r-- | framework/Web/UI/WebControls/TReCaptchaValidator.php | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/framework/Web/UI/WebControls/TReCaptchaValidator.php b/framework/Web/UI/WebControls/TReCaptchaValidator.php new file mode 100644 index 00000000..ae94ea59 --- /dev/null +++ b/framework/Web/UI/WebControls/TReCaptchaValidator.php @@ -0,0 +1,72 @@ +<?php
+
+/**
+ * TReCaptchaValidator class file
+ *
+ * @author Bérczi Gábor <gabor.berczi@devworx.hu>
+ * @link http://www.devworx.hu/
+ * @copyright Copyright © 2011 DevWorx
+ * @license http://www.pradosoft.com/license/
+ * @package System.Web.UI.WebControls
+ */
+
+Prado::using('System.Web.UI.WebControls.TBaseValidator');
+Prado::using('System.Web.UI.WebControls.TReCaptcha');
+
+/**
+ * TReCaptchaValidator class
+ *
+ * TReCaptchaValidator validates user input against a reCAPTCHA represented by
+ * a {@link TReCaptcha} control. The input control fails validation if its value
+ * is not the same as the token displayed in reCAPTCHA. Note, if the user does
+ * not enter any thing, it is still considered as failing the validation.
+ *
+ * To use TReCaptchaValidator, specify the {@link setControlToValidate ControlToValidate}
+ * to be the ID path of the {@link TReCaptcha} control.
+ *
+ * @author Bérczi Gábor <gabor.berczi@devworx.hu>
+ * @package System.Web.UI.WebControls
+ * @since 3.2
+ */
+class TReCaptchaValidator extends TBaseValidator
+{
+ protected $_isvalid = null;
+
+ /**
+ * Gets the name of the javascript class responsible for performing validation for this control.
+ * This method overrides the parent implementation.
+ * @return string the javascript class name
+ */
+ protected function getClientClassName()
+ {
+ return '';
+ }
+
+ public function getEnableClientScript()
+ {
+ return false;
+ }
+
+ /**
+ * This method overrides the parent's implementation.
+ * The validation succeeds if the input control has the same value
+ * as the one displayed in the corresponding RECAPTCHA control.
+ *
+ * @return boolean whether the validation succeeds
+ */
+ protected function evaluateIsValid()
+ {
+ // check validity only once (if trying to evaluate multiple times, all redundant checks would fail)
+ if (is_null($this->_isvalid))
+ {
+ $control = $this->getValidationTarget();
+ if(!($control instanceof TCaptcha))
+ throw new TConfigurationException('recaptchavalidator_captchacontrol_invalid');
+ $this->_isvalid = $control->validate();
+ }
+ return ($this->_isvalid==true);
+ }
+
+}
+
+?>
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