vendor and env first commit

vendor/composer/pcre/src/PHPStan/InvalidRegexPatternRule.php

@@ -0,0 +1,142 @@
+<?php declare(strict_types = 1);
+
+namespace Composer\Pcre\PHPStan;
+
+use Composer\Pcre\Preg;
+use Composer\Pcre\Regex;
+use Composer\Pcre\PcreException;
+use Nette\Utils\RegexpException;
+use 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;
+    }
+
+}

vendor/composer/pcre/src/PHPStan/PregMatchFlags.php

@@ -0,0 +1,37 @@
+<?php declare(strict_types=1);
+
+namespace Composer\Pcre\PHPStan;
+
+use PHPStan\Analyser\Scope;
+use PHPStan\Type\Constant\ConstantIntegerType;
+use PHPStan\Type\TypeCombinator;
+use PHPStan\Type\Type;
+use PhpParser\Node\Arg;
+use PHPStan\Type\Php\RegexArrayShapeMatcher;
+
+final class PregMatchFlags
+{
+    static public function getType(?Arg $flagsArg, Scope $scope): ?Type
+    {
+        if ($flagsArg === null) {
+            return new ConstantIntegerType(PREG_UNMATCHED_AS_NULL | RegexArrayShapeMatcher::PREG_UNMATCHED_AS_NULL_ON_72_73);
+        }
+
+        $flagsType = $scope->getType($flagsArg->value);
+
+        $constantScalars = $flagsType->getConstantScalarValues();
+        if ($constantScalars === []) {
+            return null;
+        }
+
+        $internalFlagsTypes = [];
+        foreach ($flagsType->getConstantScalarValues() as $constantScalarValue) {
+            if (!is_int($constantScalarValue)) {
+                return null;
+            }
+
+            $internalFlagsTypes[] = new ConstantIntegerType($constantScalarValue | PREG_UNMATCHED_AS_NULL | RegexArrayShapeMatcher::PREG_UNMATCHED_AS_NULL_ON_72_73);
+        }
+        return TypeCombinator::union(...$internalFlagsTypes);
+    }
+}

vendor/composer/pcre/src/PHPStan/PregMatchParameterOutTypeExtension.php

@@ -0,0 +1,58 @@
+<?php declare(strict_types=1);
+
+namespace Composer\Pcre\PHPStan;
+
+use Composer\Pcre\Preg;
+use PhpParser\Node\Expr\StaticCall;
+use PHPStan\Analyser\Scope;
+use PHPStan\Reflection\MethodReflection;
+use PHPStan\Reflection\ParameterReflection;
+use PHPStan\TrinaryLogic;
+use PHPStan\Type\Php\RegexArrayShapeMatcher;
+use PHPStan\Type\StaticMethodParameterOutTypeExtension;
+use PHPStan\Type\Type;
+
+final class PregMatchParameterOutTypeExtension implements StaticMethodParameterOutTypeExtension
+{
+    /**
+     * @var RegexArrayShapeMatcher
+     */
+    private $regexShapeMatcher;
+
+    public function __construct(
+        RegexArrayShapeMatcher $regexShapeMatcher
+    )
+    {
+        $this->regexShapeMatcher = $regexShapeMatcher;
+    }
+
+    public function isStaticMethodSupported(MethodReflection $methodReflection, ParameterReflection $parameter): bool
+    {
+        return
+            $methodReflection->getDeclaringClass()->getName() === Preg::class
+            && in_array($methodReflection->getName(), ['match', 'isMatch', 'matchStrictGroups', 'isMatchStrictGroups'], true)
+            && $parameter->getName() === 'matches';
+    }
+
+    public function getParameterOutTypeFromStaticMethodCall(MethodReflection $methodReflection, StaticCall $methodCall, ParameterReflection $parameter, Scope $scope): ?Type
+    {
+        $args = $methodCall->getArgs();
+        $patternArg = $args[0] ?? null;
+        $matchesArg = $args[2] ?? null;
+        $flagsArg = $args[3] ?? null;
+
+        if (
+            $patternArg === null || $matchesArg === null
+        ) {
+            return null;
+        }
+
+        $flagsType = PregMatchFlags::getType($flagsArg, $scope);
+        if ($flagsType === null) {
+            return null;
+        }
+
+        return $this->regexShapeMatcher->matchExpr($patternArg->value, $flagsType, TrinaryLogic::createMaybe(), $scope);
+    }
+
+}

vendor/composer/pcre/src/PHPStan/PregMatchTypeSpecifyingExtension.php

@@ -0,0 +1,106 @@
+<?php declare(strict_types=1);
+
+namespace Composer\Pcre\PHPStan;
+
+use Composer\Pcre\Preg;
+use PhpParser\Node\Expr\StaticCall;
+use PHPStan\Analyser\Scope;
+use PHPStan\Analyser\SpecifiedTypes;
+use PHPStan\Analyser\TypeSpecifier;
+use PHPStan\Analyser\TypeSpecifierAwareExtension;
+use PHPStan\Analyser\TypeSpecifierContext;
+use PHPStan\Reflection\MethodReflection;
+use PHPStan\TrinaryLogic;
+use PHPStan\Type\Constant\ConstantArrayType;
+use PHPStan\Type\Php\RegexArrayShapeMatcher;
+use PHPStan\Type\StaticMethodTypeSpecifyingExtension;
+use PHPStan\Type\TypeCombinator;
+use PHPStan\Type\Type;
+
+final class PregMatchTypeSpecifyingExtension implements StaticMethodTypeSpecifyingExtension, TypeSpecifierAwareExtension
+{
+    /**
+     * @var TypeSpecifier
+     */
+    private $typeSpecifier;
+
+    /**
+     * @var RegexArrayShapeMatcher
+     */
+    private $regexShapeMatcher;
+
+    public function __construct(RegexArrayShapeMatcher $regexShapeMatcher)
+    {
+        $this->regexShapeMatcher = $regexShapeMatcher;
+    }
+
+    public function setTypeSpecifier(TypeSpecifier $typeSpecifier): void
+    {
+        $this->typeSpecifier = $typeSpecifier;
+    }
+
+    public function getClass(): string
+    {
+        return Preg::class;
+    }
+
+    public function isStaticMethodSupported(MethodReflection $methodReflection, StaticCall $node, TypeSpecifierContext $context): bool
+    {
+        return in_array($methodReflection->getName(), ['match', 'isMatch', 'matchStrictGroups', 'isMatchStrictGroups'], true) && !$context->null();
+    }
+
+    public function specifyTypes(MethodReflection $methodReflection, StaticCall $node, Scope $scope, TypeSpecifierContext $context): SpecifiedTypes
+    {
+        $args = $node->getArgs();
+        $patternArg = $args[0] ?? null;
+        $matchesArg = $args[2] ?? null;
+        $flagsArg = $args[3] ?? null;
+
+        if (
+            $patternArg === null || $matchesArg === null
+        ) {
+            return new SpecifiedTypes();
+        }
+
+        $flagsType = PregMatchFlags::getType($flagsArg, $scope);
+        if ($flagsType === null) {
+            return new SpecifiedTypes();
+        }
+
+        $matchedType = $this->regexShapeMatcher->matchExpr($patternArg->value, $flagsType, TrinaryLogic::createFromBoolean($context->true()), $scope);
+        if ($matchedType === null) {
+            return new SpecifiedTypes();
+        }
+
+        if (
+            in_array($methodReflection->getName(), ['matchStrictGroups', 'isMatchStrictGroups'], true)
+            && count($matchedType->getConstantArrays()) === 1
+        ) {
+            $matchedType = $matchedType->getConstantArrays()[0];
+            $matchedType = new ConstantArrayType(
+                $matchedType->getKeyTypes(),
+                array_map(static function (Type $valueType): Type {
+                    return TypeCombinator::removeNull($valueType);
+                }, $matchedType->getValueTypes()),
+                $matchedType->getNextAutoIndexes(),
+                [],
+                $matchedType->isList()
+            );
+        }
+
+        $overwrite = false;
+        if ($context->false()) {
+            $overwrite = true;
+            $context = $context->negate();
+        }
+
+        return $this->typeSpecifier->create(
+            $matchesArg->value,
+            $matchedType,
+            $context,
+            $overwrite,
+            $scope,
+            $node
+        );
+    }
+}

vendor/composer/pcre/src/PHPStan/UnsafeStrictGroupsCallRule.php

@@ -0,0 +1,112 @@
+<?php declare(strict_types=1);
+
+namespace Composer\Pcre\PHPStan;
+
+use Composer\Pcre\Preg;
+use Composer\Pcre\Regex;
+use PhpParser\Node;
+use PhpParser\Node\Expr\StaticCall;
+use PhpParser\Node\Name\FullyQualified;
+use PHPStan\Analyser\Scope;
+use PHPStan\Analyser\SpecifiedTypes;
+use PHPStan\Rules\Rule;
+use PHPStan\Rules\RuleErrorBuilder;
+use PHPStan\TrinaryLogic;
+use PHPStan\Type\ObjectType;
+use PHPStan\Type\Type;
+use PHPStan\Type\TypeCombinator;
+use PHPStan\Type\Php\RegexArrayShapeMatcher;
+use function sprintf;
+
+/**
+ * @implements Rule<StaticCall>
+ */
+final class UnsafeStrictGroupsCallRule implements Rule
+{
+    /**
+     * @var RegexArrayShapeMatcher
+     */
+    private $regexShapeMatcher;
+
+    public function __construct(RegexArrayShapeMatcher $regexShapeMatcher)
+    {
+        $this->regexShapeMatcher = $regexShapeMatcher;
+    }
+
+    public function getNodeType(): string
+    {
+        return StaticCall::class;
+    }
+
+    public function processNode(Node $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 || !in_array($node->name->name, ['matchStrictGroups', 'isMatchStrictGroups', 'matchAllStrictGroups', 'isMatchAllStrictGroups'], true)) {
+            return [];
+        }
+
+        $args = $node->getArgs();
+        if (!isset($args[0])) {
+            return [];
+        }
+
+        $patternArg = $args[0] ?? null;
+        if ($isPreg) {
+            if (!isset($args[2])) { // no matches set, skip as the matches won't be used anyway
+                return [];
+            }
+            $flagsArg = $args[3] ?? null;
+        } else {
+            $flagsArg = $args[2] ?? null;
+        }
+
+        if ($patternArg === null) {
+            return [];
+        }
+
+        $flagsType = PregMatchFlags::getType($flagsArg, $scope);
+        if ($flagsType === null) {
+            return [];
+        }
+
+        $matchedType = $this->regexShapeMatcher->matchExpr($patternArg->value, $flagsType, TrinaryLogic::createYes(), $scope);
+        if ($matchedType === null) {
+            return [
+                RuleErrorBuilder::message(sprintf('The %s call is potentially unsafe as $matches\' type could not be inferred.', $node->name->name))
+                    ->identifier('composerPcre.maybeUnsafeStrictGroups')
+                    ->build(),
+            ];
+        }
+
+        if (count($matchedType->getConstantArrays()) === 1) {
+            $matchedType = $matchedType->getConstantArrays()[0];
+            $nullableGroups = [];
+            foreach ($matchedType->getValueTypes() as $index => $type) {
+                if (TypeCombinator::containsNull($type)) {
+                    $nullableGroups[] = $matchedType->getKeyTypes()[$index]->getValue();
+                }
+            }
+
+            if (\count($nullableGroups) > 0) {
+                return [
+                    RuleErrorBuilder::message(sprintf(
+                        'The %s call is unsafe as match group%s "%s" %s optional and may be null.',
+                        $node->name->name,
+                        \count($nullableGroups) > 1 ? 's' : '',
+                        implode('", "', $nullableGroups),
+                        \count($nullableGroups) > 1 ? 'are' : 'is'
+                    ))->identifier('composerPcre.unsafeStrictGroups')->build(),
+                ];
+            }
+        }
+
+        return [];
+    }
+}