?????????? ????????? - ??????????????? - /opt/cpanel/ea-wappspector/vendor/rector/rector/vendor/composer/pcre/src/PHPStan/InvalidRegexPatternRule.php
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<?php declare (strict_types=1); namespace RectorPrefix202411\Composer\Pcre\PHPStan; use RectorPrefix202411\Composer\Pcre\Preg; use RectorPrefix202411\Composer\Pcre\Regex; use RectorPrefix202411\Composer\Pcre\PcreException; use RectorPrefix202411\Nette\Utils\RegexpException; use RectorPrefix202411\Nette\Utils\Strings; use PhpParser\Node; use PhpParser\Node\Expr\StaticCall; use PhpParser\Node\Name\FullyQualified; use PHPStan\Analyser\Scope; use PHPStan\Rules\Rule; use PHPStan\Rules\RuleErrorBuilder; use function in_array; use function sprintf; /** * Copy of PHPStan's RegularExpressionPatternRule * * @implements Rule<StaticCall> */ class InvalidRegexPatternRule implements Rule { public function getNodeType() : string { return StaticCall::class; } public function processNode(Node $node, Scope $scope) : array { $patterns = $this->extractPatterns($node, $scope); $errors = []; foreach ($patterns as $pattern) { $errorMessage = $this->validatePattern($pattern); if ($errorMessage === null) { continue; } $errors[] = RuleErrorBuilder::message(sprintf('Regex pattern is invalid: %s', $errorMessage))->identifier('regexp.pattern')->build(); } return $errors; } /** * @return string[] */ private function extractPatterns(StaticCall $node, Scope $scope) : array { if (!$node->class instanceof FullyQualified) { return []; } $isRegex = $node->class->toString() === Regex::class; $isPreg = $node->class->toString() === Preg::class; if (!$isRegex && !$isPreg) { return []; } if (!$node->name instanceof Node\Identifier || !Preg::isMatch('{^(match|isMatch|grep|replace|split)}', $node->name->name)) { return []; } $functionName = $node->name->name; if (!isset($node->getArgs()[0])) { return []; } $patternNode = $node->getArgs()[0]->value; $patternType = $scope->getType($patternNode); $patternStrings = []; foreach ($patternType->getConstantStrings() as $constantStringType) { if ($functionName === 'replaceCallbackArray') { continue; } $patternStrings[] = $constantStringType->getValue(); } foreach ($patternType->getConstantArrays() as $constantArrayType) { if (in_array($functionName, ['replace', 'replaceCallback'], \true)) { foreach ($constantArrayType->getValueTypes() as $arrayKeyType) { foreach ($arrayKeyType->getConstantStrings() as $constantString) { $patternStrings[] = $constantString->getValue(); } } } if ($functionName !== 'replaceCallbackArray') { continue; } foreach ($constantArrayType->getKeyTypes() as $arrayKeyType) { foreach ($arrayKeyType->getConstantStrings() as $constantString) { $patternStrings[] = $constantString->getValue(); } } } return $patternStrings; } private function validatePattern(string $pattern) : ?string { try { $msg = null; $prev = \set_error_handler(function (int $severity, string $message, string $file) use(&$msg) : bool { $msg = \preg_replace("#^preg_match(_all)?\\(.*?\\): #", '', $message); return \true; }); if ($pattern === '') { return 'Empty string is not a valid regular expression'; } Preg::match($pattern, ''); if ($msg !== null) { return $msg; } } catch (PcreException $e) { if ($e->getCode() === \PREG_INTERNAL_ERROR && $msg !== null) { return $msg; } return \preg_replace('{.*? failed executing ".*": }', '', $e->getMessage()); } finally { \restore_error_handler(); } return null; } }
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