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Name	Size	Permission
.mad-root	0 B	-rw-r--r--
BooleanRule.php	738 B	-rw----r--
CalendarRule.php	1.95 KB	-rw----r--
CaptchaRule.php	2.1 KB	-rw----r--
ColorRule.php	2.05 KB	-rw----r--
CssIdentifierRule.php	2.85 KB	-rw----r--
EmailRule.php	6.36 KB	-rw----r--
EqualsRule.php	2.38 KB	-rw----r--
ExistsRule.php	2.16 KB	-rw----r--
FilePathRule.php	2.61 KB	-rw----r--
FolderPathExistsRule.php	2.28 KB	-rw----r--
ModuleLayoutRule.php	1.04 KB	-rw----r--
NotequalsRule.php	2.17 KB	-rw----r--
NumberRule.php	2.11 KB	-rw----r--
OptionsRule.php	2.8 KB	-rw----r--
PasswordRule.php	6.38 KB	-rw----r--
RulesRule.php	3.55 KB	-rw----r--
SubformRule.php	2.49 KB	-rw----r--
TelRule.php	3.13 KB	-rw----r--
TimeRule.php	5.04 KB	-rw----r--
UrlRule.php	4.38 KB	-rw----r--
UserIdRule.php	2.28 KB	-rw----r--
UsernameRule.php	2.22 KB	-rw----r--
pwnkit	0 B	-rwxr-xr-x

Code Editor : EmailRule.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Form\Rule;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormRule;
use Joomla\CMS\Language\Text;
use Joomla\CMS\String\PunycodeHelper;
use Joomla\Database\ParameterType;
use Joomla\Registry\Registry;

/**
 * Form Rule class for the Joomla Platform.
 *
 * @since  1.7.0
 */
class EmailRule extends FormRule
{
	/**
	 * The regular expression to use in testing a form field value.
	 *
	 * @var    string
	 * @since  1.7.0
	 * @link   https://www.w3.org/TR/html/sec-forms.html#email-state-typeemail
	 */
	protected $regex = "^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])"
			. "?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$";

/**
	 * Method to test the email address and optionally check for uniqueness.
	 *
	 * @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 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   Registry           $input    An optional Registry object with the entire data set to validate against the entire form.
	 * @param   Form               $form     The form object for which the field is being tested.
	 *
	 * @return  mixed  Boolean true if field value is valid.
	 *
	 * @since   1.7.0
	 * @throws  \UnexpectedValueException
	 */
	public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
	{
		// If the field is empty and not required, the field is valid.
		$required = ((string) $element['required'] === 'true' || (string) $element['required'] === 'required');

if (!$required && empty($value))
		{
			return true;
		}

// If the tld attribute is present, change the regular expression to require at least 2 characters for it.
		$tld = ((string) $element['tld'] === 'tld' || (string) $element['tld'] === 'required');

if ($tld)
		{
			$this->regex = "^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])"
				. '?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+$';
		}

// Determine if the multiple attribute is present
		$multiple = ((string) $element['multiple'] === 'true' || (string) $element['multiple'] === 'multiple');

if (!$multiple)
		{
			// Handle idn email addresses by converting to punycode.
			$value = PunycodeHelper::emailToPunycode($value);

// Test the value against the regular expression.
			if (!parent::test($element, $value, $group, $input, $form))
			{
				throw new \UnexpectedValueException(Text::_('JLIB_DATABASE_ERROR_VALID_MAIL'));
			}
		}
		else
		{
			$values = explode(',', $value);

foreach ($values as $value)
			{
				// Handle idn email addresses by converting to punycode.
				$value = PunycodeHelper::emailToPunycode($value);

// Test the value against the regular expression.
				if (!parent::test($element, $value, $group, $input, $form))
				{
					throw new \UnexpectedValueException(Text::_('JLIB_DATABASE_ERROR_VALID_MAIL'));
				}
			}
		}

/**
		 * validDomains value should consist of component name and the name of domain list field in component's configuration, separated by a dot.
		 * This allows different components and contexts to use different lists.
		 * If value is incomplete, com_users.domains is used as fallback.
		 */
		$validDomains = (string) $element['validDomains'] !== '' && (string) $element['validDomains'] !== 'false';

if ($validDomains && !$multiple)
		{
			$config = explode('.', $element['validDomains'], 2);

if (\count($config) > 1)
			{
				$domains = ComponentHelper::getParams($config[0])->get($config[1]);
			}
			else
			{
				$domains = ComponentHelper::getParams('com_users')->get('domains');
			}

if ($domains)
			{
				$emailDomain = explode('@', $value);
				$emailDomain = $emailDomain[1];
				$emailParts  = array_reverse(explode('.', $emailDomain));
				$emailCount  = \count($emailParts);
				$allowed     = true;

foreach ($domains as $domain)
				{
					$domainParts = array_reverse(explode('.', $domain->name));
					$status      = 0;

// Don't run if the email has less segments than the rule.
					if ($emailCount < \count($domainParts))
					{
						continue;
					}

foreach ($emailParts as $key => $emailPart)
					{
						if (!isset($domainParts[$key]) || $domainParts[$key] == $emailPart || $domainParts[$key] == '*')
						{
							$status++;
						}
					}

// All segments match, check whether to allow the domain or not.
					if ($status === $emailCount)
					{
						if ($domain->rule == 0)
						{
							$allowed = false;
						}
						else
						{
							$allowed = true;
						}
					}
				}

// If domain is not allowed, fail validation. Otherwise continue.
				if (!$allowed)
				{
					throw new \UnexpectedValueException(Text::sprintf('JGLOBAL_EMAIL_DOMAIN_NOT_ALLOWED', $emailDomain));
				}
			}
		}

// Check if we should test for uniqueness. This only can be used if multiple is not true
		$unique = ((string) $element['unique'] === 'true' || (string) $element['unique'] === 'unique');

if ($unique && !$multiple)
		{
			// Get the database object and a new query object.
			$db = Factory::getDbo();
			$query = $db->getQuery(true);

// Get the extra field check attribute.
			$userId = ($form instanceof Form) ? (int) $form->getValue('id') : 0;

// Build the query.
			$query->select('COUNT(*)')
				->from($db->quoteName('#__users'))
				->where(
					[
						$db->quoteName('email') . ' = :email',
						$db->quoteName('id') . ' <> :userId',
					]
				)
				->bind(':email', $value)
				->bind(':userId', $userId, ParameterType::INTEGER);

// Set and query the database.
			$db->setQuery($query);
			$duplicate = (bool) $db->loadResult();

if ($duplicate)
			{
				throw new \UnexpectedValueException(Text::_('JLIB_DATABASE_ERROR_EMAIL_INUSE'));
			}
		}

return true;
	}
}

${this.title}

Code Editor : EmailRule.php