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<?php |
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namespace League\JsonGuard\Constraints; |
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use League\JsonGuard; |
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use League\JsonGuard\ErrorCode; |
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use League\JsonGuard\ValidationError; |
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class Format implements PropertyConstraint |
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{ |
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// regex from http://www.pelagodesign.com/blog/2009/05/20/iso-8601-date-validation-that-doesnt-suck/ |
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// @codingStandardsIgnoreStart |
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const DATE_TIME_PATTERN = '/^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-2])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24\:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/'; |
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// @codingStandardsIgnoreEnd |
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const HOST_NAME_PATTERN = '/^[_a-z]+\.([_a-z]+\.?)+$/i'; |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function validate($value, $parameter, $pointer = null) |
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{ |
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switch ($parameter) { |
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case 'date-time': |
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return self::validateRegex( |
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$parameter, |
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$value, |
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self::DATE_TIME_PATTERN, |
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ErrorCode::INVALID_DATE_TIME, |
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$pointer |
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); |
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case 'uri': |
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return self::validateFilter( |
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$parameter, |
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$value, |
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FILTER_VALIDATE_URL, |
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null, |
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ErrorCode::INVALID_URI, |
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$pointer |
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); |
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case 'email': |
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return self::validateFilter( |
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$parameter, |
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$value, |
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FILTER_VALIDATE_EMAIL, |
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null, |
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ErrorCode::INVALID_EMAIL, |
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$pointer |
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); |
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case 'ipv4': |
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return self::validateFilter( |
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$parameter, |
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$value, |
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FILTER_VALIDATE_IP, |
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FILTER_FLAG_IPV4, |
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ErrorCode::INVALID_IPV4, |
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$pointer |
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); |
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case 'ipv6': |
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return self::validateFilter( |
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$parameter, |
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$value, |
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FILTER_VALIDATE_IP, |
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FILTER_FLAG_IPV6, |
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ErrorCode::INVALID_IPV6, |
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$pointer |
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); |
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case 'hostname': |
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return self::validateRegex( |
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$parameter, |
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$value, |
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self::HOST_NAME_PATTERN, |
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ErrorCode::INVALID_HOST_NAME, |
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$pointer |
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); |
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} |
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} |
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/** |
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* @param string $format |
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* @param mixed $value |
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* @param string $pattern |
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* @param int $errorCode |
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* @param string $pointer |
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* |
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* @return \League\JsonGuard\ValidationError|null |
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*/ |
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private static function validateRegex($format, $value, $pattern, $errorCode, $pointer) |
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{ |
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if (preg_match($pattern, $value) === 1) { |
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return null; |
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} |
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return new ValidationError(self::invalidFormatMessage($format, $value), $errorCode, $value, $pointer); |
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} |
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/** |
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* @param string $format |
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* @param mixed $value |
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* @param int $filter |
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* @param mixed $options |
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* @param int $errorCode |
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* @param string $pointer |
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* |
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* @return \League\JsonGuard\ValidationError|null |
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*/ |
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private static function validateFilter($format, $value, $filter, $options, $errorCode, $pointer) |
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{ |
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if (filter_var($value, $filter, $options) !== false) { |
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return null; |
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} |
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return new ValidationError(self::invalidFormatMessage($format, $value), $errorCode, $value, $pointer); |
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} |
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/** |
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* @param string $format |
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* @param mixed $value |
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* |
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* @return string |
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*/ |
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private static function invalidFormatMessage($format, $value) |
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{ |
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return sprintf('"%s" is not a valid %s.', JsonGuard\asString($value), $format); |
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} |
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} |
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thephpleague /
json-guard
