first commit

components/com_contact/models/rules/contactemail.php

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+<?php
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_contact
+ *
+ * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+JFormHelper::loadRuleClass('email');
+
+/**
+ * JFormRule for com_contact to make sure the E-Mail adress is not blocked.
+ *
+ * @package     Joomla.Site
+ * @subpackage  com_contact
+ */
+class JFormRuleContactEmail extends JFormRuleEmail
+{
+	/**
+	 * Method to test for a valid color in hexadecimal.
+	 *
+	 * @param   SimpleXMLElement  &$element  The SimpleXMLElement object representing the <field /> tag for the form field object.
+	 * @param   mixed             $value     The form field value to validate.
+	 * @param   string            $group     The field name group control value. This acts as as an array container for the field.
+	 *                                       For example if the field has name="foo" and the group value is set to "bar" then the
+	 *                                       full field name would end up being "bar[foo]".
+	 * @param   object            &$input    An optional JRegistry object with the entire data set to validate against the entire form.
+	 * @param   object            &$form     The form object for which the field is being tested.
+	 *
+	 * @return  boolean  True if the value is valid, false otherwise.
+	 */
+	public function test(& $element, $value, $group = null, &$input = null, &$form = null)
+	{
+		if (!parent::test($element, $value, $group, $input, $form)){
+			return false;
+		}
+
+		$params = JComponentHelper::getParams('com_contact');
+		$banned = $params->get('banned_email');
+
+		foreach (explode(';', $banned) as $item) {
+			if (JString::stristr($item, $value) !== false)
+					return false;
+		}
+
+		return true;
+	}
+}