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<?php namespace CMPayments\SchemaValidator\Validators; |
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use CMPayments\SchemaValidator\BaseValidator; |
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use CMPayments\SchemaValidator\Exceptions\ValidateException; |
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/** |
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* Class RegexTrait |
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* |
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* @package CMPayments\SchemaValidator\Validators |
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* @Author Rob Theeuwes <[email protected]> |
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* @Author Boy Wijnmaalen <[email protected]> |
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*/ |
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trait RegexTrait |
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{ |
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/** |
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* Validates $data against a specific $schema->regex |
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* |
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* @param $data |
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* @param $schema |
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* @param $path |
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*/ |
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public function validateRegex($data, $schema, $path) |
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{ |
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if (!isset($schema->pattern)) { |
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return; |
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} |
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$pattern = '/' . trim($schema->pattern, '/') . '/'; |
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if (!in_array($schema->type, [BaseValidator::NUMBER, BaseValidator::STRING]) && !is_scalar($data)) { |
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$this->addError(ValidateException::ERROR_USER_REGEX_DATA_NOT_SCALAR, [$data]); |
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} |
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/** |
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* Use try catch to be able to handle malformed regex |
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*/ |
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try { |
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// must suppress the output... !@#$%^&*( |
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$result = @preg_match($pattern, $data); |
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// successful preg_match but no match |
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if ($result === 0) { |
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$this->addError(ValidateException::ERROR_USER_REGEX_NO_MATCH, [$data, $path]); |
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} elseif ($result === false) { |
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// preg_match resulted in an error, there are multiple causes why preg_match would result in an error |
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$pregErrors = [ |
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PREG_INTERNAL_ERROR => ValidateException::PREG_INTERNAL_ERROR, |
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PREG_BACKTRACK_LIMIT_ERROR => ValidateException::PREG_BACKTRACK_LIMIT_ERROR, |
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PREG_RECURSION_LIMIT_ERROR => ValidateException::PREG_RECURSION_LIMIT_ERROR, |
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PREG_BAD_UTF8_ERROR => ValidateException::PREG_BAD_UTF8_ERROR, |
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PREG_BAD_UTF8_OFFSET_ERROR => ValidateException::PREG_BAD_UTF8_OFFSET_ERROR |
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]; |
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// when dealing with a > PHP 7 environment another preg_last_error() error became available, if so add it to the list |
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if (PHP_VERSION_ID > 70000) { |
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$pregErrors[PREG_JIT_STACKLIMIT_ERROR] = ValidateException::PREG_JIT_STACK_LIMIT_ERROR; |
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} |
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// check for preg_match error occurred |
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if (isset($pregErrors[preg_last_error()])) { |
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$this->addError(ValidateException::ERROR_USER_REGEX_PREG_LAST_ERROR_OCCURRED, [$schema->pattern, $data, $pregErrors[preg_last_error()]]); |
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} elseif (($error = error_get_last()) !== null) { |
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// if the string 'preg_match()' is part of the error message we need to strip it |
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// because the error message is returned to the user and we don't want to reveal |
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// anything to the user about how we are matching patterns on a string. |
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// HHVM and PHP return different kind of error messages.. |
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// HHVM does not prepend the string 'preg_match()' to the error message where PHP does prepend 'preg_match()'.. |
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$this->addError( |
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ValidateException::ERROR_USER_REGEX_ERROR_LAST_ERROR_OCCURRED, |
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[ |
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$schema->pattern, |
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$data, |
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((strpos($error['message'], 'preg_match()') !== false) ? substr($error['message'], strlen('preg_match(): ')) : $error['message']) |
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] |
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); |
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} else { |
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// unknown error.. |
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$this->addError(ValidateException::ERROR_USER_REGEX_UNKNOWN_ERROR_OCCURRED, [$schema->pattern, $data]); |
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} |
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} |
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} catch (\Exception $ex) { |
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$this->addError(ValidateException::ERROR_USER_REGEX_GENERAL_ERROR_OCCURRED, [$schema->pattern, $data]); |
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} |
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} |
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/** |
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* @param int $code |
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* @param array $args |
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* |
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* @return mixed |
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*/ |
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abstract public function addError($code, array $args = []); |
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} |
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cmpayments /
json-schema-validator
