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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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/** @codingStandardsIgnoreStart */ |
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const DATE_TIME_PATTERN = '/^([0-9]{4})-([0-9]{2})-([0-9]{2})([Tt]([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]+)?)?(([Zz]|([+-])([0-9]{2}):([0-9]{2})))?/'; |
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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, $options) !== false) { |
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return null; |
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} |
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// This workaround allows otherwise valid protocol relative urls to pass. |
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// @see https://bugs.php.net/bug.php?id=72301 |
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if ($filter === FILTER_VALIDATE_URL && is_string($value) && strpos($value, '//') === 0) { |
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if (filter_var('http:' . $value, $filter, $options) !== false) { |
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return null; |
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} |
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} |
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return new ValidationError(self::invalidFormatMessage($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, $value) |
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{ |
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return sprintf('"%s" is not a valid %s.', JsonGuard\as_string($value), $format); |
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} |
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} |
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thephpleague /
json-guard
