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<?php |
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namespace EventEspresso\core\services\validation\strategies; |
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use EventEspresso\core\services\validation\strategies\EmailValidationInterface; |
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use EventEspresso\core\domain\services\validation\EmailValidationException; |
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defined('EVENT_ESPRESSO_VERSION') || exit('No direct script access allowed'); |
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/** |
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* Class Basic |
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* Performs super basic email validation |
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* |
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* @package Event Espresso |
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* @author Mike Nelson |
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* @since $VID:$ |
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*/ |
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class Basic implements EmailValidationInterface |
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{ |
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/** |
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* @param string $input |
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* @return bool |
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* @throws EmailValidationException |
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*/ |
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public function validate($input) |
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{ |
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if (! preg_match('/^.+\@\S+$/', $input)) { |
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// email not in correct {string}@{string} format |
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throw new EmailValidationException( |
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esc_html__('Email does not have the required @ sign.', 'event_espresso') |
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); |
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} else { |
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$domain = $this->getDomainPartOfEmail($input); |
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$local = $this->getLocalPartOfEmail($input); |
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$localLen = strlen($local); |
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$domainLen = strlen($domain); |
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if ($localLen < 1) { |
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//no local part |
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throw new EmailValidationException( |
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esc_html__('Email local-part (before the @) is required.', 'event_espresso') |
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); |
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} |
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if ($localLen > 64) { |
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// local part length exceeded |
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throw new EmailValidationException( |
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esc_html__('Email local-part (before the @) is too long.', 'event_espresso') |
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); |
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} |
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if ($domainLen < 1) { |
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throw new EmailValidationException( |
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esc_html__('Email domain (after the @) is required.', 'event_espresso') |
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); |
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} |
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if ($domainLen > 255) { |
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// domain part length exceeded |
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throw new EmailValidationException( |
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esc_html__('Email domain (after the @) is too long.', 'event_espresso') |
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); |
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} |
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if ($local[0] === '.') { |
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// local part starts with '.' |
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throw new EmailValidationException( |
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esc_html__('Email local-part (before the @) must not begin with a period.', 'event_espresso') |
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); |
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} |
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if ($local[$localLen - 1] === '.') { |
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// local part starts or ends with '.' |
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throw new EmailValidationException( |
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esc_html__('Email local-part (before the @) must not end with a period.', 'event_espresso') |
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); |
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} |
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if (preg_match('/\\.\\./', $local)) { |
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// local part has two consecutive dots |
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throw new EmailValidationException( |
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esc_html__( |
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'Email local-part (before the @) must not have two consecutive periods.', |
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'event_espresso' |
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) |
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); |
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} |
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if (preg_match('/\\.\\./', $domain)) { |
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// domain part has two consecutive dots |
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throw new EmailValidationException( |
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esc_html__('Email domain (after the @) must not have two consecutive periods.', 'event_espresso') |
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); |
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} |
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} |
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return true; |
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} |
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/** |
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* Gets the local part of the email |
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* @param $input |
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* @return bool|string |
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*/ |
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protected function getLocalPartOfEmail($input) |
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{ |
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$atIndex = strrpos($input, '@'); |
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return substr($input, 0, $atIndex); |
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} |
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/** |
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* Gets the domain part of the email |
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* @param $input |
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* @return bool|string |
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*/ |
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protected function getDomainPartOfEmail($input) |
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{ |
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$atIndex = strrpos($input, '@'); |
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return substr($input, $atIndex + 1); |
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} |
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} |
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// End of file Basic.php |
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// Location: core\services\validation/Basic.php |
eventespresso /
event-espresso-core
