­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ \__('Name cannot be empty.', 'independent-analytics'), 'empty-value' => \__('Value cannot be empty.', 'independent-analytics'), 'invalid-type' => \__('Invalid type.', 'independent-analytics'), 'class-number' => \__('Class cannot start with a number or special character.', 'independent-analytics'), 'class-space' => \__('Class cannot contain spaces.', 'independent-analytics'), 'class-characters' => \__('Class cannot contain special characters besides "-" and "_".', 'independent-analytics'), 'id-number' => \__('Id cannot start with a number or special character.', 'independent-analytics'), 'id-space' => \__('Id cannot contain spaces.', 'independent-analytics'), 'id-characters' => \__('Id cannot contain special characters besides "-" and "_".', 'independent-analytics'), 'invalid-extension' => \__('Invalid Extension.', 'independent-analytics'), 'invalid-protocol' => \__('Invalid Protocol.', 'independent-analytics'), 'invalid-domain' => \__('Invalid domain.', 'independent-analytics'), 'invalid-subdirectory' => \__('Invalid characters in subdirectory.', 'independent-analytics')]; } public static function validate(string $property, string $value, string $type) { if ($property == 'name') { if (\trim($value) == '') { return 'empty-name'; } } elseif ($property == 'type') { if (!\array_key_exists($value, Click_Tracking::types())) { return 'invalid-type'; } } elseif ($property == 'value') { if ($type === 'external') { // There is no value for the external type return \false; } if (\trim($value) == '') { return 'empty-value'; } if ($type == 'class') { if (!\preg_match('/[a-zA-Z]/', \substr($value, 0, 1))) { return 'class-number'; } elseif (\preg_match('/\\s/', $value)) { return 'class-space'; } elseif (\preg_match('/[^a-zA-Z0-9_-]/', $value)) { return 'class-characters'; } } elseif ($type == 'id') { if (!\preg_match('/[a-zA-Z]/', \substr($value, 0, 1))) { return 'id-number'; } elseif (\preg_match('/\\s/', $value)) { return 'id-space'; } elseif (\preg_match('/[^a-zA-Z0-9_-]/', $value)) { return 'id-characters'; } } elseif ($type == 'extension') { if (!\in_array($value, Click_Tracking::extensions())) { return 'invalid-extension'; } } elseif ($type == 'protocol') { if (!\in_array($value, Click_Tracking::protocols())) { return 'invalid-protocol'; } } elseif ($type == 'domain') { if (!self::is_valid_domain($value)) { return 'invalid-domain'; } } elseif ($type == 'subdirectory') { if (\preg_match("/[^A-Za-z0-9-._~!\$&'()*+,;=:@\\/]/", $value)) { return 'invalid-subdirectory'; } } } return \false; } public static function is_valid_domain(string $domain) { return \preg_match('/^(http[s]?\\:\\/\\/)?((\\w+)\\.)?(([\\w-]+)+)(\\.[\\w-]+){1,2}$/', $domain); } public static function sanitize_domain($domain) { $domain = \strpos($domain, 'http') !== 0 ? "http://{$domain}" : $domain; $components = Uri::createFromString($domain); return $components->getHost(); } public static function sanitize_subdirectory($subdirectory) { return \sanitize_text_field(\trim($subdirectory, '/')); } }